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| Back Analysis Method Based on Time in Deep Foundation |
| Qu Xia ,Liu Xinyu ,Hua Ruiping |
| (Engineering Institute of Engineering Corps,PLAUST ,Nanjing,210007,China) |
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Abstract This paper is based on time effect model ,combines finite element numerical method with optimal method , and found dynamic excavation back analysis method .Through simulating soil , support structure , support system, interaction between support and soil ,and foundation dynamic excavation ,attain the target of forecast foundation support structure deflection .In addition , combines site monitoring ,using the method mentioned in this paper ,analyzing second period foundation support engineering of Nanjing Huangpu public square .
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Received: 31 March 2003
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2003, Vol. 22 
