Tiefe Baugrube in Teildeckelbauweise am Alsterufer in Hamburg
|Published in:||Bautechnik, November 2013, n. 11, v. 90|
Deep excavation pit with partial concrete cover at Alsterufer in Hamburg
Along with the development of an exclusive office- and business building with four underground parking levels an about 13 m deep excavation pit with diaphragm walls and natural bottom sealing was needed. Considering the sensitive neighbouring buildings only little deformation of the underground was acceptable. By using a pre-stressed inner framework as upper bracing and a partial concrete cover as lower bracing the requirements were fulfilled. Already during preliminary design calculated ground deformations could be approved by an extensive measuring program accompanying the project.
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