cw-6-2i
cw-6-2i
cw-6-2i
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The ambitious infrastructure<br />
project is scheduled for completion<br />
in 2017 and will not only<br />
complete the highway from<br />
Istanbul to Izmir, it will also be<br />
the fourth longest suspension<br />
bridge in the world at a total<br />
length of about 2,700 m.<br />
The extensive project is currently<br />
progressing at full speed.<br />
As one of the contracted companies,<br />
crane service provider<br />
Aydin Vinc A.S. of Turkey relies<br />
on a Sennebogen 5500 crawler<br />
crane for numerous lifting and<br />
logistics tasks at the enormous<br />
construction site.<br />
Moving massive<br />
elements with ease<br />
With more than 250 cranes and<br />
other heavy equipment, Aydin Vinc<br />
A.S. is one of the largest logistics<br />
service providers in Turkey. Founded<br />
in 1980, the company specializes in<br />
heavy transport and port logistics in<br />
addition to crane rental.<br />
To minimise risk from<br />
seismic activity, over<br />
4,000 dampeners are<br />
installed across the<br />
bridge viaduct.<br />
The Sennebogen 5500 crawler<br />
crane provided for this job by our<br />
Sales and Service Partner Forsen A.Ş. in Turkey at the end<br />
of 2014 is equipped with a 35.5 m long main boom and can<br />
lift the massive bridge members into position with ease.<br />
The 180 t crane is powered by a 261 kW diesel engine.<br />
The flexible crawler crane is particularly suited for the<br />
job thanks to its stable wide-gauge undercarriage and 160<br />
kN winch. Even when under load, the heavy steel and precast<br />
concrete members can be transported and placed with<br />
precision.<br />
The Maxcab comfort cab, which can be inclined up to<br />
20°, offers the operator an ideal overview of the work area.<br />
Seismic Dampening Bridge<br />
Bearings<br />
The suspension bridge is located in Izmit Bay - a very highly<br />
seismically hazardous area . Therefore, all approaching viaducts<br />
will be isolated against a possible earthquake using<br />
4,376 seismic rubber bearings that will be installed on top<br />
of the viaducts.<br />
All 4376 bearings have been supplied by the Turkish<br />
specialists contractors, EM-KE Construction Ltd. by using<br />
Dynamic Isolation Systems (USA) and Robinson Seismic<br />
Ltd. (New Zealand) products.<br />
• Sennebogen<br />
• Aydin Vinc A.S<br />
Page 14 Contractors World International Vol 6 No 1
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