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10 geRMaNY ON HISTORICAL GROUND The Charité in Berlin is one of the largest university hospitals in Europe. Originally founded by King Friedrich I as a “plague-house”, these days the campus with its associated clinics, centres and institutes employs about 14 500 staff. The Charité celebrated its 300th anniversary in 2010. On a site rich in tradition, between the historical children’s clinic and the Max Planck Institute for Infection Biology, a building is being erected to house the preclinical departments for research and teaching. Facts & figures Client BSV Spezialtiefbau GmbH, Hennickendorf Scope of supply 268 t LARSSEN 602, 8.00–12.00 m long 10–15 t LARSSEN 602, 5.00–6.00 m long 22 corner piles, 8.00–12.00 m long Plant TM 10/12.5 leader mounted on an SR 20 TM 11/14 leader mounted on an SR 25 (“Heidi”) Contact Mathias Himmel, Berlin Branch Tel: +49 (0)3375 9217-24 E-mail: mathias.himmel@thyssenkrupp.com The site is located between the well-used buildings of the Charité University Hospital and the elevated tracks of the capital’s light rail system. Work in the hospital is continuing as normal during the construction work. The ceremony of turning the first sod was carried out by Berlin’s mayor, Klaus Wowereit. BATEG Ingenieurbau GmbH was appointed as the contractor and our customer BSV Spezialtiefbau GmbH from Hennickendorf won the contract for supporting the excavations and installing the bored piles. Our storage depots in Mittenwalde and Seelze provided 268 t of LARSSEN 602 piles in lengths from 8.00 to 12.00 m. Another 10 to 15 t of L 602 in lengths from 5.00 to 6.00 m have yet to be delivered for the inner areas. In addition to forming the corners and changes of direction, we supplied 22 corner piles in lengths from 8.00 to 12.00 m, both for welding and as junction piles which permit the most diverse angular solutions without welding. All sheet pile interlocks are sealed by the customer with SIRO 88 or WADIT. ThyssenKrupp GfT Bautechnik GmbH provided the bitumen boiler and sealing compound required as part of its all-in-one solution. It is estimated that the excavation must remain open for four months, although a part of the sheet pile wall will be integrated into the final structure which means that approx. 103 t of L 602 piles will remain buried in the ground. Installation is being carried out with the customer’s TM 10/12.5 leader mounted on an SR 20 and also a TM 11/14 leader mounted on an SR 25 (“Heidi”) hired from our Magdeburg Branch. Predrilling with a continuous auger to loosen the ground was unavoidable because of the difficult subsoil conditions. Old foundations and piles were encountered during the pre-drilling work which were overcome using the customer’s own rotary drilling units and the installation of cased replacement Ø 620/580 mm boreholes along the driving axis. It was therefore possible to install the sheet pile wall to support the sides of the excavation. Walings and stiffeners made from beam sections will be installed to stabilise the excavation after completing the driving work. We receive the detailed specification based on measurements taken on site, which is only possible once the excavation work has started. We subsequently supply an optimally priced solution based on the use of minimal resources. n Despite difficult subsoil conditions, the piles were installed without serious problems using the TM 10/12.5 mounted on an SR 20 and the hired “Heidi” TM 11/14 leader mounted on an SR 2 geRMaNY 11
12 geRMaNY DUISBURg, THe WORLD’S LaRgeST INLaND PORT, HaS BeCOMe a BRaND: DUISPORT. SITUaTeD aT THe CONFLUeNCe OF THe RHINe aND THe RUHR, IN THe HeaRT OF eUROPe’S gReaTeST eCONOMIC ZONe WITH MORe THaN 30 MILLION CONSUMeRS, DUISBURg IS THe MOST IMPORTaNT TRaDINg aND TRaNSPORT HUB IN THe RHINe-RUHR RegION – aND BeYOND aS WeLL. TRUe TO THe MOTTO “STagNaTION = RegReSSION”, THe PORT aND QUaY FaCILITIeS aRe BeINg CONTINUaLLY MODeRNISeD aND eXPaNDeD. Facts & figures Client Duisburger Hafen AG Contractor Kniepper Entsorgungs- und Baustoffe GmbH, Dinslaken Steel hydraulic engineering Hülskens Wasserbau GmbH & Co. KG, Wesel Grouted anchors Stump Spezialtiefbau, Langenfeld Branch Detailed engineering design Ing. Büro MMS, Wuppertal Prof. Dr. Ing. J. Steinhoff ThyssenKrupp Gft Bautechnik Checking engineers Ing. Büro MVG, Mönchengladbach Prof. Dr. Ing. W. von Grabe Contact Dipl.-Ing. Frank Tapken, Essen Branch Tel: +49 (0)208 435864-0 E-mail: frank.tapken@thyssenkrupp.com DUISPORT – CONTINUING THE EXPANSION PROGRAMME The new south quay in the parallel basin is the first step in expansion work intended to provide modern facilities between the parallel basin and the outer basin. Further building phases in Duisburg port are planned for the future in order to meet the growing demand for logistics locations in the port. This phase involves constructing a new quay approx. 260 m long in the form of a partially sloped bank construction with a single row of anchors tying back the sheet pile wall, mooring dolphins incorporated into the wall structure and an approx. 7.5 m high embankment behind. The anchorage consists of 22 m long horizontal ties, a “dead man” design, plus 26 m long grouted anchors with a load-carrying capacity of up to 1366 kN. U-section piles were specified as preferred in the tender because it has been shown that the geometry of U-section piles best meets the needs of driving. This is because they deform only minimally during driving and so their system width remains constant. Furthermore, it is easier to introduce recessed bollards, ladders and anchor plates at a later date because such built-in items can be fabricated as standard items and therefore costly on-site measurements for these items are unnecessary. Sheet pile wall materials • approx. 820 t LARSSEN 606n 19/12.5;L 607n; L 603 in grades S 355 / S 430 GP, up to 16.50 m long • 6 pcs. LV 606n in lengths up to 22.0 m, each with 8 side bollards (300 kN) anchor materials • 16 pcs. ASF 4 inch grouted anchors up to 26.00 m long • 69 ASF 3¾ inch “dead man” anchors up to 22.00 m long aSF equipment • 260 m of twin-channel 400 walings, anchor plates, bolts, pile bypasses, 10 ladders, 88 recessed/side bollards (300 kN), 260 m of edge protectors, anchor plate walings Driving plant MÜLLER MS-32 HFV vibrator with MÜLLER MS-A 660V diesel-hydraulic power unitMS-A 660V A functional specification formed the basis of the tender issued by Duisburger Hafen AG. Structural calculations, driving plans and detailed drawings were prepared for the entire project jointly by engineering consultants MMS and our engineering department. The technical work was checked by Prof. Dr.-Ing. W. von Grabe from engineering consultants MVG in Wegberg. After awarding the contract, work on site began in January 2010. Vibratory driving was used for the new quay wall – in the shape of a MÜLLER MS-32 HF V vibrator. The fabrication of accurate driving guides enabled the LARSSEN wall, consisting of L 606n 19/12.5 and L 607n double bearing piles, to be built so accurately that the theoretical wall length of 260 m could be maintained. ThyssenKrupp GfT Bautechnik is a leading player in port and specialist civil engineering. Our integrated product range compris- ing sheet pile sections, pile driving plant, anchors and engineering services has therefore enabled us to accomplish a complex and challenging engineering project successfully in close cooperation with the customer. geRMaNY 13 Horizontal ties and grouted anchors form the anchorage for the new 260 m long quay wall.
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