| 挡土墙主动土压力分布研究 |
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| 引用本文： | 陈兴亮,周光余,熊传祥.挡土墙主动土压力分布研究[J].探矿工程,2009,36(3):36-40. |
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| 作者姓名： | 陈兴亮 周光余 熊传祥 |
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| 作者单位： | [1]湖南省勘测设计院,湖南长沙410014; [2]福州大学环境与资源学院,福建福州350002 |
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| 基金项目： | 福建省自然基金项目（编号：F0210006） |
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| 摘 要： | 基于极限平衡理论,利用单元分层法分别讨论了墙后无开挖回填和有开挖回填不同工况条件下的挡土墙土压力分布形式,推导出不同工况条件下的主动土压力强度及主动土压力系数理论公式。结果表明,墙后无开挖回填工况条件下墙背主动土压力沿墙高成线性分布;墙后有开挖回填工况条件下墙背土压力沿墙高成非线性分布。
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| 关 键 词： | 单元分层法 挡土墙 主动土压力 开挖 回填 |
| 收稿时间： | 2008/9/5 0:00:00 |
Study on Distribution of Active Earth Pressure of Retaining Wall |
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| CHEN Xing-iang,ZHOU Guang-yu and XIONG Chuan-xiang.Study on Distribution of Active Earth Pressure of Retaining Wall[J].Exploration Engineering(Drilling & Tunneling),2009,36(3):36-40. |
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| Authors: | CHEN Xing-iang ZHOU Guang-yu and XIONG Chuan-xiang |
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| Institution: | CHEN Xing-liang, ZHOU Guang-yu, XIONG Chuan-xiang ( 1. Hunan Investigation and Survey Design Institute, Changsha Hunan 410014, China; 2. College of Environment ＆ Resources, Fuzhou University, Fuzhou Fujian 350002, China) |
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| Abstract: | Based on the soil critical equilibrium theory, the paper discussed the distribution of earth pressure on retaining wall under the working conditions with or without excavation and backfilling between the wall and ground by thin-layer method, deducted the formulas of active earth pressure strength and coefficient of active earth pressure. The results show that the relation between the earth pressure strength and the depth of wall is linear under the working condition with excavation and backfilling and nonlinear under the working condition without excavation and backfilling between the wall and ground. |
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| Keywords: | thin-layer method retaining wall active earth pressure excavation backfilling |
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