| 围岩塑性区范围统一解 |
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| 引用本文： | 马爱群,张常光.围岩塑性区范围统一解[J].路基工程,2010,0(1):72-74. |
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| 作者姓名： | 马爱群 张常光 |
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| 作者单位： | 1.盐城工学院土木工程学院, 江苏盐城 224051 |
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| 摘 要： | 采用统一强度理论,考虑中间主应力的影响,根据不同的应力状态,正确选择第一主应力,推导了深埋圆形隧洞围岩塑性区范围统一解,并给出了公式的适用条件。通过算例说明,考虑第一主应力的变化是正确、必要的。
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| 关 键 词： | 隧道工程 统一强度理论 芬纳公式 塑性区范围 |
| 收稿时间： | 2019-11-07 |
Unified Solution of Plastic Range of Wall Rocks |
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| Authors: | MA Ai-qun ZHANG Chang-guang |
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| Affiliation: | 1.College of Civil Engineering/a>;Yancheng Institute of Technology/a>;Yancheng 224051/a>;Jiangsu/a>;China/a>;2.Department of Infrastructure Planning/a>;3.Key Laboratory of Geotechnicaland Underground Engineering of Ministry of Education/a>;Tongji University/a>;Shanghai 200092/a>;China |
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| Abstract: | With unified strength theory,considering the influence of central main stress,this paper correctly chooses the major principal stress according to different stress states to deduce the unified solution of plastic range of wall rocks in deeply-buried circular tunnel and give the applicable conditions of the formula.Through calculation examples,it is correct and necessary to consider the change of the major principal stress. |
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| Keywords: | tunnel engineering unified strength theory Fenner Formula plastic range |
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