Numerical Prediction of Settlement Adjacent to Deep Excavation of Metro Station in Ju-Zi-Zhou Island, Changsha

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Abstract:

It is of great significant to predict the influence of deep excavation in Ju-Zi-Zhou island, so that damage to adjacent ancient tree, and Xiang-jiang Bridge could be prevented. Based on analysis of site condition, geological profile, and strut design, the numerical model was generated in commercial available software package Flac3D, in which Mohr-Coulomb model was introduced. Then, the settlements at several key points on the ground were evaluated in each step of excavation. The calibrated results shows that, the calculated settlement agrees well with the measured. So it can be applied to predict completed state and provide a guidance for next construction.

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1484-1487

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October 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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