Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method

doi:10.1007/s12204-013-1398-x

上海交通大学学报（英文版） ›› 2013, Vol. 18 ›› Issue (3): 298-305.doi: 10.1007/s12204-013-1398-x

Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method

ZHANG Zi-xin1* (张子新), SHEN Mang-jie1 (沈铓杰), TENG Li2 (滕丽)

(1. Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, Shanghai 200092, China; 2. Shanghai Shield Research Center Co., Ltd., Shanghai 200023, China)

出版日期:2013-06-28 发布日期:2013-08-12
通讯作者: ZHANG Zi-xin (张子新) E-mail: zxzhang@tongji.edu.cn

Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method

ZHANG Zi-xin1* (张子新), SHEN Mang-jie1 (沈铓杰), TENG Li2 (滕丽)

(1. Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, Shanghai 200092, China; 2. Shanghai Shield Research Center Co., Ltd., Shanghai 200023, China)

Online:2013-06-28 Published:2013-08-12
Contact: ZHANG Zi-xin (张子新) E-mail: zxzhang@tongji.edu.cn

摘要/Abstract

摘要： his paper presents a numerical back-analysis of the response of a shield tunnel during construction. An important issue in the construction of shallow tunnels, especially in soft ground conditions, is the surface settlement caused by shield tunneling. The tunnel test system with 10m length, 7m width and 6.7m height, which was completed in China in 2009, is a research shield tunnel system. Using shield tunneling technique known as earth pressure balance (EPB) and slurry shield method, it could be excavated in a region consisting of original soft soils, such as silty clay, and different types of underlain soft soils. Based on the test results, the real-life tunnel response can be analyzed by back-analysis technique. The back-analysis technique is adapted to the three-dimensional finite element method (FEM). Parameter analyses are calibrated to study the behavior of the multi-scale diameter tunnel under various conditions. The suggested multi-scale model results show a well agreement between the prediction and the measurement.

关键词: shield tunneling, finite element method (FEM), surface settlement, multi-scale model

Abstract: his paper presents a numerical back-analysis of the response of a shield tunnel during construction. An important issue in the construction of shallow tunnels, especially in soft ground conditions, is the surface settlement caused by shield tunneling. The tunnel test system with 10m length, 7m width and 6.7m height, which was completed in China in 2009, is a research shield tunnel system. Using shield tunneling technique known as earth pressure balance (EPB) and slurry shield method, it could be excavated in a region consisting of original soft soils, such as silty clay, and different types of underlain soft soils. Based on the test results, the real-life tunnel response can be analyzed by back-analysis technique. The back-analysis technique is adapted to the three-dimensional finite element method (FEM). Parameter analyses are calibrated to study the behavior of the multi-scale diameter tunnel under various conditions. The suggested multi-scale model results show a well agreement between the prediction and the measurement.

Key words: shield tunneling, finite element method (FEM), surface settlement, multi-scale model

中图分类号:

U 455.43

ZHANG Zi-xin1* (张子新), SHEN Mang-jie1 (沈铓杰), TENG Li2 (滕丽). Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method[J]. 上海交通大学学报（英文版）, 2013, 18(3): 298-305.

ZHANG Zi-xin1* (张子新), SHEN Mang-jie1 (沈铓杰), TENG Li2 (滕丽). Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method[J]. Journal of shanghai Jiaotong University (Science), 2013, 18(3): 298-305.

参考文献

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Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method

Back-Analysis of the Response of Shield Tunneling by 3D Finite Element Method

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