Measurements and Numerical Modelling of High Rise Building Foundations on Frankfurt Clay

by Eberhard Franke, Technical Univ Darmstadt, Darmstadt, Germany,
Bernd Lutz, Technical Univ Darmstadt, Darmstadt, Germany,
Yasser El-Mossallamy, Technical Univ Darmstadt, Darmstadt, Germany,



Abstract: Many high rise buildings were founded on Frankfurt clay on rafts applying average contact stresses in the order of 0.4 MPa. Beside rafts now piled-rafts are often used to reduce total and differential settlements. An extensive research program was conducted to measure the foundation behaviour. Numerical models were developed to simulate the raft and piled raft behaviour. Comparisons between measurements and numerical results are presented.

Subject Headings: Numerical models | Soil settlement | Clays | Soil stress | Pile settlement | Mathematical models

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