Simplified Analytical Solutions for Tunnel Settlement Induced by Axially Loading Single Pile and Pile Group

被引：20
作者：
Wang, Yixian [1 ]
Liu, Jian [1 ]
Guo, Panpan [2 ]
Zhang, Wei [1 ]
Lin, Hang [3 ]
Zhao, Yanlin [4 ]
Ou, Qiang [1 ,5 ]
机构：
[1] Hefei Univ Technol, Sch Civil Engn, Hefei 230009, Peoples R China
[2] Zhejiang Univ, Res Ctr Coastal & Urban Geotech Engn, Hangzhou 310058, Peoples R China
[3] Cent South Univ, Sch Resource Safety Engn, Changsha 410083, Hunan, Peoples R China
[4] Hunan Univ Sci & Technol, Work Safety Key Lab Prevent & Control Gas & Roof, Hunan Prov Key Lab Safe Min Tech Coal Mines, Xiangtan 411201, Peoples R China
[5] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
来源：
JOURNAL OF ENGINEERING MECHANICS | 2021年 / 147卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Tunnel; Pile; Shear displacement method; Beam on elastic foundation model; Finite-element analysis; Longitudinal settlement; FINITE-ELEMENT-ANALYSIS; FOUNDATION; DEFORMATION;
D O I：
10.1061/(ASCE)EM.1943-7889.0002035
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper proposes simplified analytical solutions for longitudinal tunnel settlements induced by axially loading single pile and pile group. The solutions are based on the extended shear displacement method and the two-parameter beam on elastic foundation model. By comparing with three-dimensional finite-element analysis results and beam on elastic foundation model calculation results on typical case histories, the performance of the proposed solutions is verified. Moreover, the effects of pile diameter, distance between pile and tunnel, and distance between two piles in a group on the induced longitudinal tunnel settlement are captured by performing parametric analysis with the proposed solutions. Due to the simplicity, effectiveness, and ability to account for soil shear and squeezing effects as well as shield effect involved in pile group, the proposed solutions have the potential to be conveniently applied in preliminary estimation of longitudinal tunnel settlement induced by axially loading single pile or pile group.
引用
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页数：12
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