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Title: Finite element study of tunnel-soil-pile interaction
Keywords: tunnelling, pile, bending moment, axial force
Issue Date: 4-Aug-2004
Citation: CHENG CH'NG YIH (2004-08-04). Finite element study of tunnel-soil-pile interaction. ScholarBank@NUS Repository.
Abstract: This study was initiated to assess the effects of tunneling induced ground movements on adjacent pile foundations. A novel kinematic FE model is first developed to obtain the realistic displacement field around a deforming tunnel. This model was subsequently applied to the analysis of tunnel-soil-pile interaction in 3D space. Computed ground movement magnitudes and profiles from the back analysis of greenfield case histories are in good agreement with field data thus indicating the suitability of the method in analyzing complex tunnel-soil-structure problems. Sixty five tunnel-soil-pile interaction parametric analyses were performed to investigate the various factors affecting the performance of single piles. Computed induced pile bending moments and axial forces generally agrees in trend with current findings. Back analyses of two tunnel-soil-pile interaction case histories (field and centrifuge) indicate fair agreement between computed and test results.
Appears in Collections:Master's Theses (Open)

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