紧邻地铁车站基坑双排桩支护结构性状分析

初振环; 陈鸿; 王志人; 陈发波

紧邻地铁车站基坑双排桩支护结构性状分析 English Version

(深圳市市政设计研究院有限公司，广东深圳 518029)

详细信息

作者简介:
初振环(1981– )，男，山东海阳人，硕士，高级工程师，主要从事基坑、边坡工程及地基处理等方面的设计与研究工作。

中图分类号: TU47
计量
- 文章访问数: 0947
- HTML全文浏览量: 0
- PDF下载量: 0479
出版历程
- 收稿日期: 2012-11-12
- 发布日期: 2012-11-12

Behavior of retaining structure with double-row piles for deepexcavations subway stations

(Shenzhen Municipal Design & Research Institute Co., Ltd., Shenzhen 518029, China)

摘要

摘要: 基于某紧邻地铁车站地下结构的深基坑支护工程，分别采用有限元法和解析公式法分析了坑后存在地铁车站侧向边界条件下基坑双排桩支护结构变形特征和土压力分布情况及其对地铁结构的安全影响。总结了此种情况下双排桩的土压力分布规律，并提出了弹性抗力法计算模型。通过对某工程实例的计算结果分析得出一系列关于双排桩结构性状的结论，计算结果得到了实测数据的验证。
- 地铁保护 /
- 深基坑 /
- 双排桩 /
- 土压力
Abstract: Based on the supporting project of a deep excavation close to the underground structure of a subway stations, the deformation characteristics and distribution of the earth pressure as well as their effects on the subway structure of retaining structure with double-row piles are analyzed by means of the FEA method and the analytical formula. The distribution of the earth pressure’s on double-row piles applicable to such situations are sum- marized. A model based on the elastic resistance method is proposed. Through analyzing the results, a series of conclusions for characters of double-row piles are drawn. The calculated results are verified by use of the measured data.
- subway protection /
- deep excavation /
- double-row pile /
- earth pressure

HTML全文

参考文献(6)

[1]	刘泉声, 付建军. 考虑桩土效应的双排桩模型及参数研究[J]. 岩土力学, 2011, 32(2): 481–486. (LIU Quan-sheng, FU Jian-jun. Research on model and parameters of double-row piles based on effect of pile-soil contact [J]. Rock and Soil Mechanics, 2011, 32(2): 481–486. (in Chinese))
[2]	白冰, 聂庆科, 吴刚, 等. 深基坑悬臂双排桩支护的受力性状研究[J]. 建筑结构学报, 2010, 8: 118–124. (BAI Bing, NEI Qing-ke, WU-Gang, et al. A calculation model for double-row-pile retaining structures in deep foundation pit considering 3D effects[J]. Journal of Building Structures, 2010, 8: 118–124. (in Chinese))
[3]	黄凭, 莫海鸿, 陈俊生. 双排桩支护结构挠曲理论分析[J]. 岩石力学与工程学报, 2009, 28(A02): 3870–3875. (HUANG Ping, MO Hai-hong, CHEN Jun-sheng. Theoritical analysis of double-row piles retaining structure deflection[J]. Chinese Journal of Rock Mechanics and Engineering, 2009, 28(A02): 3870–3875. (in Chinese))
[4]	应宏伟, 初振环, 李冰河, 等. 双排桩支护结构的计算方法研究及工程应用[J]. 岩土力学, 2007, 28(6): 1145–1150. (YING Hong-wei, CHU Zhen-huan, LI Bing-he, et al. Study on calculation method of retaining structure with double-row piles and its application[J]. Rock and Soil Mechanics, 2007, 28(6): 1145–1150. (in Chinese))
[5]	史海莹, 龚晓南. 路堤荷载下柔性悬桩复合地基的沉降分析[J]. 工业建筑, 2009, 10: 67–71. (SHI Hai-ying, GONG Xiao-nan. Study on the behavior of cantilever double-row piles supporting deep excavation[J]. Industrial Construction, 2009, 10: 67–71. (in Chinese))
[6]	王贤能, 邹辉, 初振环. 土条状坑壁土压力计算方法及应用分析[J]. 工程勘察, 2007, 30(11): 18–21. (WANG Xian-neng, ZOU Hui, CHU Zhen-huan. The calculation method and application analysis of earth pressure with narrow excavation-walls[J]. Geotechnical Investigation & Surveying, 2007, 30(11): 18–21. (in Chinese))