| 基于极限分析上限法的加筋土坡临界高度 |
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| 引用本文： | 王钊,乔丽平.基于极限分析上限法的加筋土坡临界高度[J].武汉大学学报(工学版),2005,38(5):67-70. |
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| 作者姓名： | 王钊 乔丽平 |
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| 作者单位： | 武汉大学土木建筑工程学院,湖北,武汉,430072 |
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| 摘 要： | 在塑性极限分析理论的基础上,假定破裂面为对数螺旋面,导出了加筋土坡临界高度的解.不计加筋力,该解与无筋土坡临界高度一致;和加筋土坡试验结果比较,虽计算的临界高度略偏低,但在工程中应用是可靠的,可用于加筋土坡设计时的参考.
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| 关 键 词： | 极限分析 加筋土坡 临界高度 上限定理 |
| 文章编号： | 1671-8844(2005)05-067-03 |
| 修稿时间： | 2005年1月23日 |
Critical height of reinforced slope based on limit analysis upper bound method |
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| WANG Zhao,QIAO Li-ping.Critical height of reinforced slope based on limit analysis upper bound method[J].Engineering Journal of Wuhan University,2005,38(5):67-70. |
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| Authors: | WANG Zhao QIAO Li-ping |
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| Abstract: | Based on the limit analysis plasticity theory, assumping the failure surface to be a log-spiral surface,the computation formulation of the reinforced slope's critical height is deduced.Not considering the reinforcement force,the formulation is consistent with the unreinforced slope's critical height.Comparing to the experimental values of the reinforced slopes,although the computation values are lower for a little,it is reliable in the engineering,which will be used as reference for design of reinforced slopes. |
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| Keywords: | limit analysis reinforced slopes critical height upper bound theorem |
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