| 岩土空间滑动面和抗剪强度的理论分析 |
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| 引用本文： | 张国祥,陈灵玲.岩土空间滑动面和抗剪强度的理论分析[J].吉首大学学报(自然科学版),2003,24(4):40-42. |
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| 作者姓名： | 张国祥 陈灵玲 |
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| 作者单位： | (中南大学土木建筑学院，湖南 长沙 410075) |
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| 基金项目： | 铁道部科技攻关项目(2000G48F) |
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| 摘 要： | 通过理论推导出空间破坏面垂直中主应力作用面和岩土任意空间面上的抗剪强度通式ｓ＝τ＝ｆ（σ，μδ），空间面上的抗剪强度只与法向应力大小和洛德参数有关，无论是破坏面还是潜在滑移面，均垂直于中主应力面.
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| 关 键 词： | 空间破坏面位置 空间面上抗剪强度通式 |
| 文章编号： | 1007-2985(2003)04-0040-03 |
| 修稿时间： | 2003年7月9日 |
Theoretical Analysis of Geotechnical Space Slip Surface and General Shear Strength |
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| ZHANG Guo-xiang,CHENG Ling-ling.Theoretical Analysis of Geotechnical Space Slip Surface and General Shear Strength[J].Journal of Jishou University(Natural Science Edition),2003,24(4):40-42. |
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| Authors: | ZHANG Guo-xiang CHENG Ling-ling |
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| Institution: | (Civil Architectural Engineering College,Central South University,Changsha 410075,Hunan China) |
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| Abstract: | A general shear strength formula of geotechnical space slip surface and a general relation between space failure surface position and strength criterion are proposed in the paper.It is obtained by theoretical analysis that geotechnical space slip surface is vertical with intermediate principal stress plane and the shear strength of geotechnical space slip surface relates only to vertical stress and Lode parameter.It provides theoretical basis for the determination of geotechnical space slip surface and has a guiding significance for studying geotechnical strength criterion. |
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| Keywords: | space failure surface position general shear strength formula |
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