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Replacement of the existing old retaining wall in Kleinmachnow (D)


The stability of the old cantilever sheet pile wall of the access basin to the Kleinmachnow lock was at risk. A land side caused by the measured movement of the structure would engender major obstructions of the lock’s northern chamber. The existing old retaining wall was therefore replaced by an 111-m long sheet pile wall consisting of 15.5 to 16.5-m AZ 28 piles in steel grade S 355 GP. The Z-piles were installed with a hydraulic press to avoid noise and vibrations..



 Owner & Designer:   Wasserstrassenneubauamt Berlin
 Main contractor:   Firma Bunte (Marine construction department) - Oranienburg
 Sheet piles:  291 metric tons AZ 28 in steel grade: S 355 GP



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