基坑周边荷载引起支护结构上土压力的分析

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基坑周边荷载引起支护结构上土压力的分析

王洪亮, 宋二祥, 宋福渊

文章导航 > 工业建筑 > 2012 > 42(9): 90-95,60

王洪亮, 宋二祥, 宋福渊. 基坑周边荷载引起支护结构上土压力的分析[J]. 工业建筑, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

引用本文:

王洪亮, 宋二祥, 宋福渊. 基坑周边荷载引起支护结构上土压力的分析[J]. 工业建筑, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

Wang Hong-liang, Song Er-xiang, Song Fu-yuan. ANALYSIS OF EARTH PRESSURE ON THE RETAINING STRUCTURE DUE TO SURCHARGE NEAR THE EXCAVATION[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

Citation:

Wang Hong-liang, Song Er-xiang, Song Fu-yuan. ANALYSIS OF EARTH PRESSURE ON THE RETAINING STRUCTURE DUE TO SURCHARGE NEAR THE EXCAVATION[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

王洪亮, 宋二祥, 宋福渊. 基坑周边荷载引起支护结构上土压力的分析[J]. 工业建筑, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

引用本文:

王洪亮, 宋二祥, 宋福渊. 基坑周边荷载引起支护结构上土压力的分析[J]. 工业建筑, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

Wang Hong-liang, Song Er-xiang, Song Fu-yuan. ANALYSIS OF EARTH PRESSURE ON THE RETAINING STRUCTURE DUE TO SURCHARGE NEAR THE EXCAVATION[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

Citation:

Wang Hong-liang, Song Er-xiang, Song Fu-yuan. ANALYSIS OF EARTH PRESSURE ON THE RETAINING STRUCTURE DUE TO SURCHARGE NEAR THE EXCAVATION[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(9): 90-95,60. doi: 10.13204/j.gyjz201209020

基坑周边荷载引起支护结构上土压力的分析

doi: 10.13204/j.gyjz201209020

1.
1. 清华大学土木工程系,北京 100084;
2.
2. 中国建筑股份有限公司技术中心,北京 101300

作者简介:
王洪亮，男，1987年出生，硕士研究生.E-mail:songex@tsinghua.edu.Cn

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- 文章访问数: 109
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出版历程
- 收稿日期: 2012-02-15
- 刊出日期: 2012-09-20

ANALYSIS OF EARTH PRESSURE ON THE RETAINING STRUCTURE DUE TO SURCHARGE NEAR THE EXCAVATION

1.
1. Department of Civil Engineering,Tsinghua University,Beijing 100084,China;
2.
2. China State Construction Corporation Limited Technical Center,Beijing 101300,China

摘要: 通过理论分析和数值模拟对现行规范规程中有关基坑周边局部荷载引起支护结构上附加土压力的计算进行讨论。从弹性理论解确定了附加土压力值最大点的位置;利用有限元法对比分析了土体抗剪参数c和对附加土压力弹塑性解的影响,发现其与静止侧压力系数呈正比;针对土体分层情况,利用有限元法分析附加土压力的分布形式,并与均质地基时的情况进行对比;针对基坑周边建筑物荷载的作用,分析基础埋深对附加土压力的影响。
- 附加土压力 /
- 超载 /
- 基坑开挖 /
- 土体分层 /
- 埋深
Abstract: In this paper, earth pressure on the retaining structure due to surcharge near the excavation was analyzed, and the proposals from different technical codes were compared.The location of the maximum additional pressure was determined according to the theoretical elastic solution.The influence of soil friction angle and cohesion c on elastic-plastic solution of the additional earth pressure was investigated by using finite element method, and it was found that the additional earth pressure and the static pressure were directly proportional.For layered soil, the additional earth pressure was compared with that for homogeneous soil and their difference was shown.When the surcharge was caused by buried foundation nearby, the influence of the embedment depth of the foundation on the additional earth pressure was analyzed．
- additional earth pressure /
- surcharge /
- excavation of foundation /
- layered soil /
- depth of embedment

参考文献(6)

[2] DB 11/4892007 建筑基坑支护技术规程[S].

JGJ 12099 建筑基坑支护技术规程.[S].

[3] GJB 0298 广州地区建筑基坑支护技术规定[S].

[4] DG/T J08-612010 基坑工程技术规范[S].

[5] SJG 052011 基坑支护技术规程[S].

[6] 陈仲颐，周景星，王洪瑾.土力学[M].北京: 清华大学出版社，1994

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