| 双排桩支护结构设计计算方法探讨 |
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| 引用本文： | 程知言,裘慰伦,等.双排桩支护结构设计计算方法探讨[J].地质与勘探,2001,37(2):88-90,93. |
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| 作者姓名： | 程知言 裘慰伦 |
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| 作者单位： | 1. 中南大学,
2. 江苏华东建设基础工程总公司, |
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| 摘 要： | 在对目前较常用的两种双排桩计算模型及其受力机理分析与探讨的基础上，提出了以后排桩桩后土体作为研究对象的新的计算方法，认为双排桩桩间土体对支护桩作用较小，土压力以后排桩桩后土压力为主，双排桩可视为受水平力的刚架，后排桩的存在改变了土体剪切破裂面，最后对土体剪切破裂角的计算进行了推导。
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| 关 键 词： | 双排桩 计算模型 土压力 剪切破裂面 深基坑支护 受力机理 |
| 文章编号： | 0495-5331(2001)02-0088-04 |
DESIGN CALCULATION METHOD ON DOUBLE-ROW RETAINING STRUCTURE |
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| CHENG Zhi-yan,QIU Wei-lun,ZHANG Ke-neng,HUO Ming-yu.DESIGN CALCULATION METHOD ON DOUBLE-ROW RETAINING STRUCTURE[J].Geology and Prospecting,2001,37(2):88-90,93. |
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| Authors: | CHENG Zhi-yan QIU Wei-lun ZHANG Ke-neng HUO Ming-yu |
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| Abstract: | Based on the analyzing of two kinds of calculation models of double-row pile which are in common use, and studying of forced principle, a new calculation method is put forward, which thinks the back earth of back pile as research object. According to this method, the function of the earth between the front and the back pile is less important, while the main earth pressure comes from the back earth of the back pile. The double--row pile structure can be regarded as rigidity frame which bearing horizontal pressure, and the back pile changes the earth shear failure plane. At last, the calculation of shear failure angle is derived. |
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| Keywords: | duoble-row pile calculation model earth pressure shear failure plane |
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