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RoadNewsfor new roads<br />
> “Autoroute Transmaghrébine”: 36 SUPER Pavers in Action on the World’s Currently Largest Job Site<br />
> On the Scene in China: Two SUPER 2100-2 Place Cement-Treated Base (CTB) on 110km Expressway Section<br />
> Tips & Tricks: Bolt-on Extensions for VÖGELE Screeds Mount Easily and Quickly<br />
The VÖGELE <strong>Magazine</strong> on Paving Applications Issue 15 | January 2009<br />
> Focus on NAVITRONIC Plus ® :<br />
Precision Meets<br />
Economic Efficiency
Some 70 machines from the WIRTGEN Group are involved<br />
in the construction of the “Autoroute Transmaghrébine”,<br />
currently the largest road construction project in the world.<br />
2<br />
04<br />
Economical construction of motorway:<br />
NAVITRONIC Plus ® used on job site<br />
in Switzerland.<br />
08<br />
18 km of tensioned wire saved:<br />
SUPER 1800-2 rehabilitates airport<br />
in Iceland.<br />
12<br />
Documentation:<br />
How to install NAVITRONIC Plus ®<br />
in 10 easy steps.<br />
Centre Pages: Tips & Tricks<br />
from Practical Applications<br />
Mounting bolt-on extensions<br />
to VÖGELE Extending Screeds.<br />
16<br />
Placing base course over 110km:<br />
Two SUPER 2100-2 in action in<br />
the Chinese province of Hunan.<br />
24<br />
“Autoroute Transmaghrébine”:<br />
36 SUPER pavers at work on the world’s<br />
currently largest job site in Algeria.
36 VÖGELE Pavers Build North Africa’s<br />
New Life Line<br />
The world’s currently largest road construction project is not underway in Europe,<br />
in North America or in Asia but – as many will no doubt be surprised to hear – in<br />
North Africa. In the last few years, the region has seen increasing economic success.<br />
Now it is time to expand the infrastructure in order to stay on the route of growth.<br />
And this is why a motorway is to connect the “Magreb” states of Morocco, Algeria<br />
and Tunisia over a stretch of 3,200km from 2009. The construction work for the<br />
“Autoroute Transmaghrébine” is well underway in Algeria, where three consortia are<br />
building their motorway section of around 1,200 kilometres. A whole fleet of machines<br />
from the WIRTGEN Group is involved in the giant project, including 36 SUPER pavers.<br />
Much has occurred since the launch of the VÖGELE InLine Pave ® concept. In Europe,<br />
some 1,500,000m 2 of road pavement have meanwhile been built with InLine Pave ®<br />
machinery. This innovative method is primarily used for rehabilitating motorways, federal<br />
highways or rural roads in single-lane or dual-lane width, but also for constructing new<br />
roadways. Again and again, the extremely high compaction of the binder course is in the<br />
focus of the “hot on hot” paving method. InLine Pave ® has become such a major topic<br />
that we are devoting a special edition of RoadNews to the innovative and economical<br />
technology.<br />
Enjoy reading.<br />
Roland Schug<br />
Marketing Director<br />
Imprint RoadNews for new roads – the VÖGELE <strong>Magazine</strong> on Paving Applications | Editorial Address: Neckarauer Straße 168 – 228, 68146 Mannheim,<br />
Germany, Telephone +49 (0) 621 8105-202, Fax +49 (0) 621 8105-469, E-Mail roadnews@voegele.info, Website www.voegele.info |<br />
Editors: Roland Schug, Martin Hilken, Anja Sehr | Translations: Maria Weckesser | Agency: bilekjaeger, Stuttgart | Reproduction of<br />
articles is permitted after written consent. We disclaim liability for editorial submissions, which have not been requested. Trademarks and<br />
registered trademarks are the property of the owners.
Widening of the Swiss A 4 trunk road to four lanes with NAVITRONIC Plus ® .<br />
Construction of Motorway without<br />
Tensioned Wire but with Swiss Precision<br />
The A 4 trunk road in Switzerland only had two lanes in the Zürch Weinland region. In the light of increasing<br />
volumes of traffic, the decision was made to widen the 20km section concerned to a four-lane motorway with<br />
separated carriageways for each direction. Swiss contractor Implenia AG used a SUPER 2100-2 paver equipped<br />
with NAVITRONIC Plus ® , the 3D System for Machine Control developed by VÖGELE.<br />
4<br />
SITE REPORT 1<br />
NAVITRONIC Plus ®<br />
with<br />
Leica Computer
Focus on NAVITRONIC Plus ® .<br />
3D Navigation in a Virtual Space<br />
At Bauma 2007, the German International Fair for<br />
Construction Machinery, VÖGELE presented a true<br />
innovation with NAVITRONIC Plus ® , the 3D System for<br />
Machine Control. The system developed from scratch<br />
features an “Open Interface” allowing to connect 3D<br />
positioning systems, such as laser-based total stations or<br />
GPS, from numerous well-known manufacturers. As a vital<br />
aspect, NAVITRONIC Plus ® is easy to understand and<br />
operates very conveniently. And it offers another unique<br />
advantage. As a real 3D system, NAVITRONIC Plus ® not<br />
only controls fully automatically the pavement’s grade and<br />
slope but also the screed’s position and the paver’s<br />
direction of motion. Survey data collected for earthworks,<br />
for instance, can be used for asphalt paving as well. This<br />
substantially boosts the system’s economic efficiency.<br />
RoadNews reports on two job sites where SUPER pavers<br />
were operating with NAVITRONIC Plus ® . And we demonstrate<br />
in an example how easily and quickly the system installs.<br />
5
With an average traffic volume of 20,000 to 25,000 vehicles<br />
per day, the A 4 trunk road between Winterthur and<br />
Schaffhausen was one of the busiest two-lane stretches.<br />
Trunk roads of this kind usually are built without crossroads.<br />
In contrast to motorways, however, they do not have<br />
separated carriageways for each direction in most of the<br />
cases. Therefore, the Federal Council of Switzerland in Bern<br />
planned an enlargement of the dual-lane A 4 trunk road to a<br />
four-lane mini-motorway. Mini-motorways are a Swiss<br />
particularity and, in contrast to regular motorways, built<br />
according to diminished standards. These mini-motorways,<br />
for instance, feature narrower carriageways and do not have<br />
hard shoulders the whole length.<br />
NAVITRONIC Plus ® a premiere for the paving team<br />
6<br />
The major construction job represented a premiere for the<br />
paving team of contractor Implenia AG, who were working<br />
with the NAVITRONIC Plus ® 3D Machine Control System for<br />
the first time ever. Once the system had been installed on the<br />
Construction of motorway lanes without tensioned wire:<br />
NAVITRONIC Plus ® the 3D System for Machine Control,<br />
guides the SUPER 2100-2 towards highly accurate paving results.<br />
SUPER 2100-2, the team familiarized themselves with the<br />
technology. After all, the task was to place the foundation layer<br />
and base course for the new lanes on the basis of a 3D model<br />
without using a physical reference.<br />
Foundation layers are bound base courses which, in the main,<br />
are made of recycled material. For the A 4, a hot-mixed<br />
foundation course was placed with a share of recycled aspalt<br />
ranging between 50 and 60%.<br />
On this job site, NAVITRONIC Plus ® was combined with<br />
positioning equipment from Leica. Based on the route’s digital<br />
design data, this technology picks up the paver’s actual position<br />
by a total station and a 360° prism. High-precision sensors<br />
installed on the paver suppy extra information on the screed’s<br />
elevation and slope as well as the screed’s position. The entirety<br />
of data collected is passed on to the positioning system’s<br />
external computer and a comparison is made with the route’s<br />
stored design data. Any deviations detected are finally<br />
transmitted to NAVITRONIC Plus ® , which initiates a correction.
France<br />
Job Site Details<br />
Bern<br />
Switzerland<br />
Widening of the A 4 trunk road to a four-lane<br />
mini-motorway between Winterthur and<br />
Schaffhausen, Switzerland<br />
Length of section: 20km<br />
Winterthur<br />
SWITZERLAND<br />
Paving Details<br />
Pave width:<br />
Layer thickness:<br />
8.5m to 9m<br />
Foundation layer: 10cm<br />
Base course: 8cm<br />
Binder course: 8cm<br />
Wearing course: 3cm<br />
Germany<br />
Schaffhausen<br />
Italy<br />
Paving Material<br />
Foundation layer: ACF 22 (with 50 to 60%<br />
of recycled material)<br />
Base course: EME C2<br />
Binder course: EME C1<br />
Wearing course: AC MR 8<br />
Equipment<br />
SUPER 2100-2 with AB 600-2 TP2<br />
Extending Screed and NAVITRONIC Plus ® ,<br />
combined with Leica MPC 5 Computer,<br />
System 1200 Tachymeters and 360° Prism<br />
HAMM HW 90 B / 10 and HW 90B / 12 Rollers<br />
Tolerance requirements met right from the start<br />
So much for the basics. Once the paving team had built<br />
up their SUPER 2100-2 paver’s AB 600-2 TP2 Extending<br />
Screed to a pave width of 9m, everything was to work<br />
perfectly right from the start. And indeed, after just a few<br />
metres, it was evident that the Implenia team had a perfect<br />
command of NAVITRONIC Plus ® . Furthermore, it was no<br />
problem at all to meet the specified tolerance requirements<br />
of +/-4mm. Placing the foundation layer and base course<br />
in a large width up to 9m turned out to be easy game for<br />
the paving team. And this was predominantly due to the<br />
VÖGELE 3D Machine Control System. The site manager<br />
was extremely enthusiastic: “We certainly didn’t miss<br />
not working with a tensioned wire. Quite the opposite,<br />
in fact!” ,<br />
Feed with mix, paving, monitoring: The paving team managed<br />
all tasks with ease.<br />
7
SUPER 1800-2 rehabilitates a runway and landing strip in Iceland.<br />
NAVITRONIC Plus ®<br />
Saves 18km of Tensioned Wire<br />
SITE REPORT 2<br />
NAVITRONIC Plus ®<br />
The company operating Akureyri Airport planned an extension with the aim of enticing more tourists to Iceland.<br />
To this end, the runway and landing strip had to be lengthened and the existing section rehabilitated so that larger<br />
aircraft could also land. In a first step, Icelandic contractor Hladbaer-Colas rehabilitated the old runway. Undulating<br />
surface irregularities had developed over the years, and height differences of as much as 20cm needed to be levelled<br />
out in the course of the rehabilitation work. Hladbaer-Colas decided to use NAVITRONIC Plus ® , the VÖGELE System<br />
for 3D Machine Control, in order to achieve as level a surface as possible.<br />
with<br />
SBG Computer<br />
9
With a population of 17,000 inhabitants, Akureyri is Iceland’s<br />
fourth largest town and the most important service centre<br />
in the north of the country. The numerous wool and fish<br />
processing enterprises are of great economic significance.<br />
However, Akureyri Airport is not only important for the<br />
economy, but also increasingly so for tourism. Therefore,<br />
the initial stage of the project involved rehabilitating<br />
the runway and landing strip, with the extension planned<br />
for the year after.<br />
Level regulating layer provides for uniform base<br />
10<br />
Before the paver’s actual work could commence,<br />
a compact WIRTGEN W 350 Cold Milling Machine removed<br />
roughly half of the 20cm surface undulations. The paving<br />
team then placed a 10cm level regulating layer with their<br />
SUPER 1800-2 combined with an AB 500-2 TV Extending<br />
Screed. The material used for this layer was open-graded<br />
asphalt (0/16) with a binder content of 5.7%.<br />
Hard granite imported from Norway<br />
The level regulating layer was followed by wearing course<br />
placed in widths between 4 and 5m. Paving in varying width<br />
was done for good reason in order to avoid creating the<br />
longitudinal joints of this course right above those of the level<br />
regulating layer. For wearing course, too, an open-graded<br />
asphalt was used with a grain size of (0/11). The aggregate<br />
contained in this mix was granite, which due to its hardness<br />
is particularly strong and long-lasting. The granite had been<br />
imported from Norway as the rock of the volcanic island, due<br />
to its porous nature, is not suited as an aggregate for asphalt<br />
paving. Altogether, the Hladbaer-Colas team placed nine<br />
strips, always working from the outside in. Each of the 2,000m<br />
strips had to be completed in just one day so that the runway<br />
could be used for air traffic the following morning.<br />
ICELAND<br />
Job Site Details<br />
Reykjavik<br />
ICELAND<br />
Rehabilitation of runway and landing strip<br />
at Akureyri Airport, Iceland<br />
Length of section: 2,000m<br />
Width of section: 45m<br />
Akureyri<br />
ICELAND<br />
Paving Details<br />
Pave width: 4 to 5m<br />
Layer thickness: level regulating layer<br />
up to 10cm,<br />
5cm wearing course<br />
Paving Material<br />
Level regulating layer: asphalt (0/16)<br />
Wearing course: asphalt (0/11)<br />
Equipment<br />
WIRTGEN W 350 Cold Milling Machine<br />
SUPER 1800-2 with AB 500-2 TV Screed and<br />
NAVITRONIC Plus ®, combined with SBG<br />
Computer, Leica TCA 1800 Tachymeters<br />
and 360° Prism<br />
HAMM DV 70 VO Rollers
NAVITRONIC Plus ® saves 18km of tensioned wire<br />
As far as surface evenness was concerned, < 3mm<br />
were specified in both the longitudinal and the transverse<br />
directions, over a distance of 3m. In order to precisely comply<br />
with the desired accuracy, Hladbaer-Colas relied on<br />
NAVITRONIC Plus ® , the VÖGELE System for 3D Machine<br />
Control. They combined the system with a SBG external<br />
computer and tachymeters from Leica. On the job site in<br />
Iceland, the use of NAVITRONIC Plus ® yielded major<br />
advantages: without 3D machine control, reference wires<br />
would have had to be installed. This way of proceeding would<br />
not only have been more costly, but also extremely difficult<br />
and time-consuming. On account of the air traffic, installing<br />
the wires was not possible in advance but only at the start<br />
of work. All told, at least 18km of reference wire would have<br />
been required at an estimated cost of some 50,000 Euros.<br />
Perfect evenness thanks to NAVITRONIC Plus ® :<br />
The 45m wide runway and landing strip at Akureyri Airport.<br />
SUPER 1800-2 and HAMM DV 70 VO ensure paving<br />
on schedule<br />
The overall width of the runway and landing strip at<br />
Akureyri Airport is 45m. Added to this are hard shoulders,<br />
7.5m wide on each side, yielding a total width of 60m.<br />
The SUPER 1800-2 paved wearing course in a thickness of<br />
5cm. After completion, two DV 70 VO tandem rollers from<br />
HAMM joined in. Weighing around 8 tonnes and equipped<br />
with oscillation technology, the rollers compacted the<br />
asphalt to perfection. The pavement profile specified in<br />
both the longitudinal and the transverse directions, too,<br />
was met with high accuracy thanks to NAVITRONIC Plus ®.<br />
Beyond all that, the NAVITRONIC Plus ® solution for machine<br />
control offers a unique advantage: as a real 3D system, it not<br />
only controls fully automatically the pavement’s grade and<br />
slope, but also the screed’s position and the paver’s direction<br />
of motion. ,<br />
11
12<br />
Installation of the VÖGELE 3D Machine Control System.<br />
How to Install<br />
NAVITRONIC Plus ®<br />
in 10 Easy Steps<br />
Even a modern 3D Machine Control System can be<br />
installed easily. This is what VÖGELE want to<br />
demonstrate in the following for NAVITRONIC Plus ® .<br />
The system installs as easily as it operates. RoadNews<br />
shows in 10 steps how to fit the system to the paver<br />
and how to prepare it for paving.<br />
Overview of the NAVITRONIC Plus ® components<br />
to be installed on the paver:<br />
n Holder for mast<br />
n Sensor for screed width<br />
n Magnetic holder<br />
n Screed operator’s console<br />
n Sensor for mast inclination<br />
n Connecting cable<br />
The steps earmarked with this symbol are to be<br />
carried out prior to every paver operation. All other<br />
steps need to be carried out only once, i.e. when<br />
installing NAVITRONIC Plus ® .<br />
1 Fitting the Holder for the Mast<br />
The bracket serves as a holder for the mast and the<br />
receptor fitted to it. The receptor can be a GPS receiver,<br />
laser receiver or prism. See to it that the bracket is<br />
positioned above the paver’s augers and aligned<br />
parallel with the flange joining screed and screed arm.<br />
With some systems, two receptors can be used. In such<br />
a case, two masts need to be fitted (left and right sides).<br />
2 Fitting the Sensors<br />
Attach the clamps of the sensors for screed width in the<br />
places provided for them using the screws supplied.<br />
Important: For initial set-up, the sensors should slide<br />
smoothly in the clamps.
Some positioning systems need information on the<br />
inclination of the mast. To collect these data, a sensor<br />
picking up the inclination needs to be attached to the<br />
mast holder.<br />
Then fit the 3D receptor to the mast and attach the mast<br />
to the holder. See to tight fit in order to prevent the mast,<br />
including receptor, from swaying while paving.<br />
3 Connecting the Cables<br />
Connect the cables before switching on the paver’s<br />
ignition. Plug the cable of the sensor for screed width and<br />
the one of the sensor for inclination of the mast into the<br />
screed operator’s console.<br />
4 Measuring the Mast’s Position (3D Receptor)<br />
In order to create a digital machine model, the precise<br />
position of the 3D receptor must be measured in relation<br />
to the screed.<br />
5 Defining the Working Range<br />
As a function of the desired pave width, a working range<br />
needs to be defined. This should cover the pave width<br />
+/-40cm (+/-20cm on either side of the screed).<br />
Example: For a desired pave width of 5.8m, the limits<br />
“MAX 6.2m” and “MIN 5.4m” would have to be selected.<br />
This working range is necessary in order to correct<br />
deviations in the paver’s position from the design route<br />
by moving the screed’s extending units in or out.<br />
For the desired pave width of 5.8m described above, the<br />
example shows an AB 500-2 Extending Screed fitted with<br />
a set of 75cm bolt-on extensions.<br />
750 5000<br />
750<br />
13
14<br />
6 Setting up the Sensors for Screed Width 7 Calibrating Screed Width Control<br />
Extend the screed to the desired pave width of 5.8m.<br />
Then slide the sensors for screed width, guided by<br />
the clamps, into place.<br />
The sensors should be positioned in such a way that<br />
their measuring range is not left when moving the<br />
screed’s extending units in or out. The measuring range<br />
is indicated by two marks on the sensor. The sensors<br />
must not touch each other when retracting the screed.<br />
Then tighten the screws to firmly attach the sensors<br />
to the screed.<br />
Now fit the magnetic holders right above the sensors.<br />
The clearance between the magnet and the sensor<br />
should be 2mm and not exceed a maximum of 4mm.<br />
After installation of the sensors is completed and all<br />
cables are connected, the screed needs calibrating.<br />
Calibration is necessary every time the screed<br />
configuration or sensor position has been changed.<br />
To perform the calibration, just go to the screed<br />
operator’s ErgoPlus ® console and access the<br />
NAVITRONIC Plus ® calibration menue. Define the<br />
working range, which is your desired pave width<br />
+/-40cm (+/-20cm per side). In our example, the range<br />
extends from “MIN 5.4m” to “MAX 6.2m”. The working<br />
range sets the limits for screed width control.
8 Moving the Paver to the Starting Line 9 Setting up the Screed’s Elevation and Width<br />
Before moving the paver to the starting line, the external<br />
3D system must have been installed and connected<br />
to NAVITRONIC Plus ® . Only then is it possible to pick<br />
up the paver’s actual position and to calculate the<br />
specified position.<br />
The next step is to select, on the display of the paver<br />
operator’s ErgoPlus ® console, the 3D sensor for<br />
automatic steering.<br />
Now the machine’s actual position is displayed on the<br />
paver operator’s ErgoPlus ® console. He can manoeuvre<br />
his machine to the starting line.<br />
The paver should be positioned on the steering line<br />
as accurately as possible (±5 to 10cm). In our example,<br />
the paver is positioned 10cm to the right of the steering<br />
line. Display of a positive value means, the paver’s<br />
position is to the right of the line. A negative value<br />
indicates a paver position to the left of the line.<br />
Now lower down the screed and roughly set the<br />
screed’s tow points to the desired height. From this<br />
setting, a screed planing angle results. For being able<br />
to work with digital data, select “3D” as a grade sensor<br />
(use F2 and F4 keys on the screed operators ErgoPlus ®<br />
console).<br />
The external positioning system picks up a difference in<br />
height and transmits this information to NIVELTRONIC Plus ® .<br />
The deviation is displayed by the system. It may be<br />
necessary to place timber under the screed for height<br />
correction until the deviation lies within the range of just<br />
millimetres.<br />
10 That’s it ! Mix, please !<br />
When all axes – X, Y and Z – are set up, you can commence<br />
paving.<br />
15
VÖGELE pavers build 110km motorway section in China.<br />
“Workhorses” Master<br />
Mammoth Project<br />
In China, road construction projects are currently being realized at a pace that other countries can only dream of.<br />
One such project is underway in Hunan province, where contractor Guangdong Liantai Group Co., Ltd. is building the<br />
110km long Shao Yong Expressway in just three years. The first task involved placing and compacting base course<br />
comprising a volume of 800,000 tonnes of CTB (cement-treated base). This job proved to be a tough challenge for two<br />
VÖGELE SUPER 2100-2 pavers and numerous HAMM Series 3000 rollers.<br />
16
09<br />
roadnews 15<br />
Tips and Tricks from pracTical applicaTions<br />
Quick and Easy:<br />
Mounting Bolt-on Extensions<br />
to VÖGELE Extending Screeds<br />
All VÖGELE screeds can be built up using bolt-on extensions,<br />
tailoring them to any desired pave width. The VÖGELE<br />
system of bolt-on extensions allows quick and stable<br />
build-up of the screeds to meet the requirements of the<br />
contractors’ paving jobs. In this issue of Tips & Tricks,<br />
André Felchner demonstrates how easy it is to mount<br />
bolt-on extensions.<br />
andré felchner, Head of applications Technology at VÖGElE, Germany, provides “Tips & Tricks from practical<br />
applications”. He is an expert in both practical applications and paver technology and conveys his knowledge<br />
also in VÖGElE training courses and workshops to paving teams from all over the world.<br />
1<br />
Day-to-day life on the job site rarely provides level<br />
ground conditions. However, a level surface is<br />
required for mounting bolt-on extensions. In order<br />
to compensate for unevenness, large pieces of<br />
square timber or pallets can be placed under the<br />
screed. Care must be taken that the flanges are<br />
clean, i. e. no asphalt sticking to them.<br />
TIP!<br />
Preparation<br />
Before mounting a bolt-on extension, the<br />
tamper shafts of both the screed’s extending<br />
unit and the bolt-on extension must be set<br />
so that the arrow on the coupling points at<br />
the gap in the gearwheel. (see photo).
09<br />
roadnews 15<br />
2<br />
3<br />
The beveled quick-fitting aid (equipped on all “dash 2”<br />
generation screeds), allows quick and easy attachment<br />
of the bolt-on extension. Thanks to the quick-fitting aid,<br />
the extension can already be raised at this stage,<br />
without a need for bolts to be fastened.<br />
TIP!<br />
The front and rear eccentric bolts have to be<br />
set to zero, which is the uppermost position.<br />
This is important later on for aligning the bolt-on<br />
extension with the screed’s extending unit.<br />
Now the bolt-on extension needs adjusting in height<br />
to match the screed’s extending unit. Set it to the<br />
correct height by using the eccentric bolts.<br />
Please note: “Correct height” means that the bolt-on<br />
extension and the screed’s extending unit are set<br />
to identical heights and are properly aligned.<br />
The rear edges of the screed plates shall be flush.<br />
The front edges of the screed plates should be set<br />
between 0.5 and 1mm higher.<br />
Tips and Tricks from pracTical applicaTions<br />
Easy and Fast Attachment with Quick-fitting Aid<br />
Height Adjustment of the Bolt-on Extension<br />
1mm (maximum)<br />
0mm
Tips and Tricks from pracTical applicaTions<br />
4 Fitting the Braces<br />
5<br />
After having carried out the adjustments of Step 3,<br />
the frames of the screed's extending unit and of the<br />
extension must be bolted together.<br />
Then fit the braces serving to stabilize the bolt-on<br />
extensions. These braces shall be adjusted so that<br />
a light downwards pressure is exerted onto the<br />
extension.<br />
TIP!<br />
The pressure is correct if the brace can<br />
be turned slightly. If it cannot, the pressure<br />
is too high.<br />
Connecting Systems<br />
As a next step, connect electric screed heating<br />
(see photo, left).<br />
Then join the tamper shafts of the bolt-on extension<br />
and screed’s extending unit by means of the Haldex<br />
coupling (see photo, right).<br />
6 Final Assembly 7 That’s it!<br />
Finally, the tamper<br />
shield, the auger<br />
shafts and the<br />
footboard with<br />
cover plate are<br />
to be fitted.<br />
This example<br />
showed how easily<br />
and quickly VÖGELE<br />
Extending Screeds<br />
build up with<br />
bolt-on extensions.<br />
09<br />
roadnews 15<br />
When mounting bolt-on extensions to VÖGELE High Compaction Screeds, two extra steps need to be carried out<br />
(shown overleaf).
Tips and Tricks from pracTical applicaTions<br />
a Joining the Pressure Bars<br />
The following steps only need to be carried out when<br />
fitting bolt-on extensions to VÖGELE High Compaction<br />
Screeds with 1 or 2 pressure bars (TP1 or TP2).<br />
Please continue after Step 5 on the previous page.<br />
The pressure bars P1 and P2 of the bolt-on extension<br />
and those of the screed’s extending unit must be<br />
joined. This is done by using bolts with spring washers<br />
and a spacer. The rear edges of the pressure bars<br />
of the bolt-on extension and of the screed’s extending<br />
unit shall be flush. The pressure bars’ edges, when<br />
touching from below, must be flush too (see photo).<br />
Then check the pressure bars for smooth and free<br />
movement.<br />
Special tools for joining the pressure bars:<br />
The tools required are a standard ratchet,<br />
a hexagon adaptor (Order No. 2124649) and<br />
an Allan key (Order No. 46,2210,0002).<br />
B Connecting Hydraulic Piping<br />
Finally, the hydraulic pipes need to be connected.<br />
Please return to the previous page and continue<br />
with Step 6 to complete mounting work.<br />
09<br />
roadnews 15<br />
Extra steps when mounting bolt-on extensions to VÖGELE High Compaction Screeds
India<br />
China<br />
The Shao Yong Expressway will be an important link in China’s<br />
long-distance transportation network and is of immense<br />
strategic importance to the Central Kingdom. The 110km<br />
stretch between the mega cities of Shaoyang and Yongzhou<br />
is part of the 1,738km long north-south axis from the city<br />
of Taiyuan to the gambling paradise of Macau. The new<br />
connection, running in parallel, is intended to relieve the<br />
expressway between Beijing and Zuhai, which winds more<br />
than 2,290km through China. The expressway is known as<br />
a traffic congested route.<br />
18<br />
China<br />
Taiyuan<br />
Hunan<br />
Shaoyang<br />
Yongzhou<br />
Mongolia<br />
Zhuhai<br />
Hunan<br />
CHINA<br />
Beijing<br />
Beijing<br />
Hong Kong<br />
Macau<br />
Hong Kong<br />
With ErgoPlus ® on board, the operator enjoys an unobstructed view of all<br />
vital points on the paver, such as material hopper, auger and screed.<br />
800,000 tonnes of CTB needed<br />
The project kicked off in May 2006 with the placing of<br />
cement-treated base. In order to establish a foundation of high<br />
load-bearing capacity for the roadway, the CTB base was<br />
amply dimensioned and made up of three layers: the first<br />
one 20cm thick and the two following layers 19cm each.<br />
For the road base alone, 800,000 tonnes of CTB were<br />
required, prepared in eight mixing plants. Supply of the pavers<br />
with mix had been minutely planned by contractor Guangdong<br />
Liantai Group: the capacity of each mixing plant was 500t per<br />
hour and up to 10 haul vehicles per plant transported the mix<br />
to the job site to feed the pavers.
The SUPER 2100-2 with High Compaction Screed achieved an excellent degree of density<br />
when placing thick base course.<br />
A strong foundation: Cement-treated base (CTB)<br />
The function of a base course is to provide a uniform foundation<br />
of high stability for the layers placed on top, such as asphalt<br />
binder course and asphalt wearing course. In combination with<br />
these layers, the base absorbs the forces from traffic and<br />
provides for uniform distribution of these forces onto the<br />
sub-base. The purpose of the base course also is to ensure<br />
quick and effective protection of the sub-base against water<br />
to maintain its load-bearing capacity.<br />
Base courses are often built as cement-treated bases (CTB).<br />
These bases are well proven in road construction. The mixes<br />
prepared in mixing plants are transported to the job sites by lorries.<br />
In the event of long distances for transport to the job site<br />
or adverse weather conditions, the CTB should be covered<br />
with tarpaulins. It is recommended to use pavers with high<br />
compaction screeds for placing the mix. The advantage: these<br />
screeds achieve a high degree of pre-compaction. In order<br />
to obtain a perfect bond between several layers, these layers<br />
should be placed “fresh on fresh”. For final compaction of<br />
cement-treated bases, rubber-tyred rollers and/or single-drum<br />
compactors are generally used.<br />
19
The SUPER 2100-2 stands out through high reliability<br />
even when paving in a large width of 13m.<br />
21
22<br />
Job Site Details<br />
Placing cement-treated base (CTB) on the<br />
Shao Yong Expressway in Hunan province,<br />
China<br />
Length of section: 110km<br />
Paving Details<br />
Pave width: 13m<br />
Layer thickness: 1st CTB layer 20cm<br />
2nd CTB layer 19cm<br />
3rd CTB layer 19cm<br />
(a total of 58cm)<br />
Paving Material<br />
800,000 tonnes of cement-treated base (CTB)<br />
Equipment<br />
2 SUPER 2100-2 with SB 250 Fixed-Width Screeds<br />
in TP1 Version<br />
10 HAMM Series 3000 Rollers<br />
SUPER 2100-2: Facts and Figures<br />
n Maximum pave width 13m<br />
n Laydown rate up to 1,100 tonnes/h<br />
n Maximum layer thickness 30cm<br />
n Transport width 2.55m<br />
n Pave speed up to 25m/min.<br />
n Travel speed up to 4.5km/h<br />
n DEUTZ engine rated at 182kW<br />
n ErgoPlus ® operating concept<br />
Two SUPER 2100-2 demonstrate superior performance<br />
The Shao Yong Expressway is being built with four lanes in<br />
each direction, which sums up to a total width of 52m.<br />
For the paving operations, contractor Guangdong Liantai<br />
Group Co., Ltd. opted for pavers from VÖGELE. The two<br />
SUPER 2100-2 were combined with SB 250 Fixed-Width<br />
Screeds in TP1 version. The pave width was 13m and covered<br />
two lanes. Placing the CTB went smoothly, not least thanks<br />
to the well-thought-out and proven machine concept of the<br />
“dash 2” generation VÖGELE pavers. With its powerful engine<br />
delivering 182kW, the SUPER 2100-2 is a true workhorse.<br />
And the material hopper, conveyors and augers, too, are<br />
designed for high laydown rates. A SUPER 2100-2 is capable<br />
of placing up to 1,100 tonnes of mix per hour. This performance<br />
makes the machine the perfect choice for large job sites<br />
such as the Shao Yong Expressway, a task handled by the<br />
powerful paver economically and with ease.<br />
High Compaction Screeds get the job done<br />
On the Shao Yong Expressway site, the two SUPER pavers<br />
impressively demonstrated that the choice of VÖGELE<br />
equipment was precisely the right decision. When placing<br />
cement-treated base, the VÖGELE High Compaction Screeds<br />
achieved perfect results in terms of pre-compaction and<br />
accuracy of levels. Cement-treated bases consist of unbroken<br />
and /or broken aggregate bonded with cement, a hydraulic<br />
binder. SUPER pavers are capable of placing these materials<br />
in a perfect manner, as they demonstrated on the Shao Yong<br />
Expressway. The SB 250 Fixed-Width Screed in TP1 version,<br />
equipped with one pressure bar driven by pulsed-flow<br />
hydraulics, achieved a first-class degree of pre-compaction.<br />
10 HAMM rollers produced the final density<br />
As for the earthworks, HAMM Series 3000 rollers were<br />
also used for final compaction of the cement-treated base.<br />
As many as 10 units of the orange coloured HAMM machines<br />
were on the scene. The Series 3000 rollers combine modern<br />
technology with outstanding design and lots of comfort.
Contractor much impressed by WIRTGEN products<br />
and service<br />
Guangdong Liantai Group Co., Ltd. are highly satisfied<br />
with the performances of all equipment involved and also<br />
with the service provided by WIRTGEN China. When this<br />
large-scale project came up, those responsible in the<br />
company had decided in favour of products from VÖGELE and<br />
HAMM. The use of machinery from the WIRTGEN Group has<br />
a long tradition with the construction company. Guangdong<br />
Liantai Group already completed a great number of projects<br />
Teamwork: 2 VÖGELE pavers and 10 HAMM rollers<br />
worked together successfully on the Shao Yong Expressway<br />
job site in Hunan province.<br />
with VÖGELE pavers to their entire satisfaction. Now the<br />
asphalt layers are still due for paving. For this job, too, the<br />
two VÖGELE SUPER 2100-2 will play the key role. On the<br />
cement-treated base, they are going to lay 10cm asphalt<br />
base, 6cm binder course and 5cm wearing course. After<br />
an incredibly short construction time of just 3 years, the<br />
Shao Yong Expressway will be opened to traffic in 2009.<br />
The new 110km stretch will pass over 90 bridges and<br />
through 17 tunnels. ,<br />
23
Some 70 machines from the WIRTGEN Group are involved in the world’s currently largest road construction project.<br />
SUPER Power for the<br />
“Autoroute Transmaghrébine”<br />
North Africa has developed into a veritable boom region in recent years. In order to maintain this growth, huge<br />
investments are currently being made in a gigantic road construction project. “Autoroute Transmaghrébine” is the name<br />
of the largest African road building project ever and, for the time being, the largest in the world. Once completed, the<br />
motorway is planned to connect the Maghreb states of Morocco, Algeria, Tunisia and Libya over a stretch of more than<br />
3,200km. The construction work is already well on its way in Algeria, where three consortia were awarded the contracts<br />
for building 1,200 kilometres of the motorway. Numerous machines from the WIRTGEN Group are also being employed<br />
for this project, including 36 VÖGELE pavers, 30 HAMM rollers and WIRTGEN slipform pavers for building the concrete<br />
crash barriers.<br />
24
Contractors from the world over involved<br />
26<br />
Three construction consortia are involved in the building<br />
of the 1,200km Algerian stretch of the “Autoroute Transmaghrébine”.<br />
The eastern section running from the Algerian city<br />
of Bordj-Bou-Arreridj to the border with Tunisia is being built by<br />
the Japanese consortium COJAAL. A subsection around Algiers<br />
is executed by Algerian contractors ALTRO and COSIDER, while<br />
the rest of the section is handled by the Chinese consortium<br />
CITIC-CRCC. Many additional companies from all over the<br />
world are also involved in the construction of bridges, tunnels<br />
and drainage systems, etc. The capital investment for the job<br />
site in Algeria alone totals USD 11 billion.<br />
Stringent requirements on quality<br />
A high volume of traffic is anticipated on North Africa’s new<br />
“life line”. Therefore, the “Transmaghrébine” motorway is being<br />
constructed in Algeria with three lanes in each direction. What’s<br />
more, high requirements are made on pavement quality,<br />
especially in terms of resistance to deformation. To ensure that<br />
the high standards will be met, all SUPER pavers participating in<br />
the construction of the motorway are equipped with VÖGELE<br />
High Compaction Screeds.<br />
Paving “hot to hot“: A total of 25 tracked VÖGELE SUPER 2100-2 pavers<br />
participate in the building of the “Autoroute Transmaghrébine”.<br />
The “Autoroute Transmaghrébine” over the entire 1,200km<br />
stretch is designed as follows: base course of cement-treated<br />
gravelly sand is placed in a thickness of 20cm, followed by<br />
a 14cm bituminous bound base, with the road finally being<br />
surfaced with a wearing course of asphaltic concrete (0/14)<br />
between 6 and 8cm thick.<br />
Japanese consortium goes into action<br />
with 16 modern SUPER pavers<br />
For their section of the motorway, the Japanese contractors<br />
are using 12 modern VÖGELE SUPER 2100-2 pavers, each<br />
equipped with the AB 600-2 TP2 Extending Screed,<br />
as well as four SUPER 1900-2 pavers with AB 500-2 TP2<br />
Extending Screeds. The “dash 2” generation machines<br />
certainly have their hands full on the 365km job site. The<br />
VÖGELE pavers are building the three lanes in each direction<br />
in a width of 6.25m, hot to hot. For grade and slope control<br />
with NIVELTRONIC Plus ® , the Japanese teams use the<br />
VÖGELE RoadScan ® sensor system.
Job Site Details<br />
Construction of the Algerian section of the “Autoroute<br />
Transmaghrébine“ through the Maghreb region<br />
Overall length of job site: 1,216km<br />
Overall width of job site: 25m<br />
(3 lanes in each direction)<br />
Paving Details<br />
Layer thickness: 20cm base course<br />
14cm binder course<br />
6 to 8cm wearing course<br />
Paving Material<br />
Base course: cement-treated gravelly sand (0/31)<br />
Binder course: bituminous bound base (0/25)<br />
Wearing course: asphaltic concrete (0/14)<br />
Compaction with tandem and rubber-tyred HAMM rollers<br />
Thanks to the ultra-modern VÖGELE machine technology,<br />
the paving teams from Japan are making fast progress,<br />
right on schedule, on their section of the motorway. A fleet<br />
of HAMM rollers is being used for final compaction of the<br />
individual layers. The fleet includes eight 12-ton HD 120<br />
tandem rollers and eight 18-ton GRW 18 rubber-tyred<br />
rollers, capable of reliably producing the specified final<br />
density.<br />
Paving in 12.5m width<br />
The Chinese consortium, too, opted for SUPER 2100-2<br />
pavers to build their section of the motorway. They moved<br />
to the job site with 13 machines. In contrast to the Japanese<br />
teams, the Chinese crews are paving in full-road width.<br />
They built up the screeds of their SUPER 2100-2 machines<br />
to a remarkable pave width of 12.5m. Each of these pavers is<br />
combined with a SB 250 Fixed-Width Screed in TP1 version<br />
for high compaction.<br />
Equipment<br />
25 SUPER 2100-2<br />
(12 pavers with AB 600-2 TP2 Extending Screed,<br />
13 pavers with the SB 250 TP1 Fixed-Width Screed)<br />
4 SUPER 1900-2 with AB 500-2 TP2 Extending Screed<br />
2 SUPER 1800-2 with AB 500-2 TP2 Extending Screed<br />
2 SUPER 1800-1 with AB 500-2 TP2 Extending Screed<br />
3 SUPER 1300-2 with AB 340 TV Extending Screed<br />
30 HAMM Rollers (HD 120 Tandem Rollers and<br />
GRW 18 Rubber-tyred Rollers)<br />
WIRTGEN SP 150, SP 250 and SP 500 Slipform Pavers<br />
The supplementary construction work along the motorway,<br />
such as hard shoulders, is being handled by three<br />
SUPER 1300-2 pavers from the VÖGELE compact equipment<br />
class. Unlike the Japanese, the Chinese paving teams are<br />
using NIVELTRONIC Plus ® , the System for Automated Grade<br />
and Slope Control, in combination with the VÖGELE<br />
Big MultiPlex Ski. When working with this Ski, three sonic<br />
sensors attached to a beam scan an area of up to 13m. Just<br />
like the RoadScan ® System, the Big MultiPlex Ski is highly<br />
flexible and perfectly suited for levelling out all kinds of<br />
irregularities in the base. This is a vital advantage on the job<br />
site in Algeria: even without tensioned wires, the specified<br />
grade and slope is achieved with high accuracy.<br />
SUPER 2100-2 on the scene in major projects<br />
the world over<br />
There are good reasons why road building contractors rely<br />
on SUPER 2100-2 pavers from VÖGELE for so many major<br />
projects. The machine concept of this ultra-modern paver<br />
is designed so that it can handle even the largest road building<br />
27
SUPER 2100-2: Facts and Figures<br />
n Maximum pave width 13m<br />
n Laydown rate up to 1,100 tonnes/h<br />
n Maximum layer thickness 30cm<br />
n Transport width 2.55m<br />
n Pave speed up to 25m/min.<br />
n Travel speed up to 4.5km/h<br />
n DEUTZ engine rated at 182kW<br />
n ErgoPlus ® operating concept<br />
jobs highly economically and with ease. With its maximum pave<br />
width of 13m, it is the ideal equipment for joint-free construction<br />
of motorways, airfields and large traffic areas. The powerful<br />
engine rated at 182kW and all material handling systems<br />
are designed for high performance. The SUPER 2100-2 is<br />
capable of paving thick layers reliably and quickly, even<br />
when difficult mixes are involved, such as cement-treated<br />
gravelly sand.<br />
A large cooler assembly and excellent air routing guarantee<br />
perfect cooling of engine coolant, hydraulic oil and charge air.<br />
Full performance of the engine is guaranteed even when<br />
working at high ambient temperatures beyond 50 °C, a feature<br />
of high importance especially when operating in hot regions<br />
28<br />
Left: Easy to understand even<br />
for international paving teams:<br />
ErgoPlus ®, the operating system<br />
based on self-explanatory symbols.<br />
Below: Several WIRTGEN slipform<br />
pavers are working on the<br />
“Autoroute Transmaghrébine”.<br />
Seen here is a SP 150 building<br />
concrete crash barrier.<br />
such as North Africa. A further highlight of the machine<br />
is ErgoPlus ® , the VÖGELE operating concept for easy paver<br />
handling. In particular, the logical and self-explanatory symbols<br />
used for all displays are a great advantage on international<br />
job sites like those in the Maghreb.<br />
Algerian contractors also involved in mega-project<br />
The Algerian contractors moved to the job site around<br />
the capital city of Algiers with two SUPER 1800-2 and two<br />
SUPER 1800-1 pavers. All four VÖGELE machines are also<br />
equipped with High Compaction Screeds. In order to meet<br />
the tight deadline, the paving teams of the Algerian contractors<br />
are using their pavers in 14 hour shifts.
The ultimate in VÖGELE technology on the scene: The Chinese consortium builds its motorway section in full-road width of 12.5m.<br />
VÖGELE partner providing on-site service<br />
On a project like this, not only the job site logistics need<br />
to be strictly organized, but also the supply of spares and<br />
the performance of maintenance services on all machines<br />
involved. The VÖGELE partner for Sales and After-Sales<br />
Services in Algeria, Demdistral S. p. A., handled this work<br />
for the VÖGELE pavers. Mr Ying Erqiang, Deputy Managing<br />
Director of the Chinese construction consortium, was<br />
enthusiastic about the global on-site support: “As far as the<br />
machine technology is concerned, WIRTGEN China provided<br />
us with their expert advice beforehand, and Demdistral is<br />
responsible for the After-Sales Services in Algeria. The<br />
guarantee that the machines will be supplied with parts on<br />
the job site and the reliability of the SUPER pavers are<br />
extremely important factors for us when it comes to meeting<br />
our contractual obligations. I can say that the After-Sales<br />
Service provided by VÖGELE in Algeria is outstanding.”<br />
Representatives of the Japanese and Algerian contractors,<br />
too, confirmed the highly professional service offered by<br />
VÖGELE’s Algerian partner. ,<br />
29
30<br />
Mega-project “Autoroute Transmaghrébine“.<br />
North Africa’s New<br />
High-Capacity<br />
Life Line<br />
Agadir<br />
Casablanca<br />
Marrakesh<br />
Tanger<br />
Fes<br />
MOROCCO<br />
The world’s largest road construction project currently underway<br />
is realized in North Africa. The 3,200km long motorway “Autoroute<br />
Transmaghrébine” is being built in the three states of Morocco,<br />
Algeria and Tunisia, known as the Maghreb region (in Arabic:<br />
the West), as well as in Libya. Construction of the longest section,<br />
the one running through Algeria and extending over 1,200km,<br />
began in March 2007 and is scheduled to be completed in 2009.<br />
The economic importance of this major project is tremendous.<br />
According to the National Road Agency, the road building<br />
project has created some 100,000 new jobs in Algeria alone,<br />
with the number of jobs created indirectly expected to reach two<br />
to three times that figure.<br />
The motorway passes 55 cities with a total population of more<br />
than 50 million, 22 international airports, as well as the largest<br />
Qujda<br />
Oran<br />
ALGERIA<br />
Chlef<br />
Miliana
Algiers<br />
ports, railway stations, universities, hospitals and the most<br />
important industrial and tourist areas in the three Maghreb<br />
states. The “Autoroute Transmaghrébine” thus represents<br />
the most crucial economic nerve of the rising region.<br />
The motorway with three lanes in each direction spans the<br />
country from East to West, passing over 190 bridges and<br />
through five tunnels. After completion, the travel time from<br />
the Tunisian-Libyan border to Morocco will be a mere ten<br />
hours.<br />
The two countries of Libya and Mauritania, both also<br />
members of the Union of the Arab Maghreb (UAM), are<br />
likewise involved in the mammoth project. In the medium<br />
term, the “Autoroute Transmaghrébine” is planned to traverse<br />
Khemis-el-Khechna<br />
Bordj-Bou-Arreridj<br />
Overall length of the Algerian<br />
section of the “Autoroute<br />
Transmaghrébine”: 1,216km.<br />
Constantine<br />
Gabès<br />
the whole of North Africa. And thought is even being given<br />
to constructing a tunnel beneath the Straits of Gibraltar<br />
between Morocco and Spain to connect North Africa to<br />
Europe.<br />
Sections of the “Autoroute Transmaghrébine” motorway<br />
by country:<br />
Morocco: 1,014km<br />
Algeria: 1,216km<br />
Tunisia: 780km<br />
Libya: 200km<br />
Tunis<br />
Sousse<br />
Sfax<br />
TUNISIA<br />
LIBYA<br />
Tripoli<br />
31
Road winding along a coastline in southern Europe.<br />
RoadNews on the Web<br />
All RoadNews editions as well as latest information about VÖGELE products and technologies are available online<br />
on the Web. Visit us at: www.voegele.info<br />
Your feedback on RoadNews would be much appreciated. Suggestions are welcome. Please write us at roadnews@voegele.info<br />
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