Development of tunneling influence zones for adjacent pile foundations by numerical analyses

被引：90

作者：

Jongpradist, Pornkasem ^{[1
]}

Kaewsri, Theerapong ^{[1
]}

Sawatparnich, Attasit

Suwansawat, Suchatvee ^{[2
]}

Youwai, Sompote ^{[1
]}

Kongkitkul, Warat ^{[1
]}

Sunitsakul, Jutha

机构：

[1] King Mongkuts Univ Technol Thonburi, Fac Engn, Dept Civil Engn, Bangkok 10140, Thailand

[2] King Mongkuts Inst Technol Ladkrabang, Dept Civil Engn, Bangkok, Thailand

来源：

TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 2013年 / 34卷

关键词：

Influence zones; Numerical analysis; Existing pile; Tunneling; Normalized pile settlement; GROUND MOVEMENTS; RESPONSES;

D O I：

10.1016/j.tust.2012.11.005

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study, three-dimensional elasto-plastic numerical analyses are conducted to investigate the influences of tunnel excavation on existing loaded piles. The effects of parameters on pile responses to be used as criteria for suggesting the influence zones can be captured from the analysis method. A large number of analyses are then carried out to generate the artificial data of pile responses from tunneling for establishing the influence zones. Deep and shallow tunneling are separately considered with their influence zones are suggested from the normalized pile settlement and the induced pile bending moment, respectively. The two zones are then combined. Based on the ground condition, geometries of the pile and the tunnel, tunnel construction method, and evaluated criteria considered in this study, the unique significant zones of influence for various conditions can be identified. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：96 / 109

页数：14

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