| 预应力锚索锚固体破坏与锚固力传递模式研究 |
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| 引用本文： | 李铀,白世伟,方昭茹,朱维申,杨春和.预应力锚索锚固体破坏与锚固力传递模式研究[J].岩土力学,2003,24(5):686-690. |
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| 作者姓名： | 李铀 白世伟 方昭茹 朱维申 杨春和 |
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| 作者单位： | 中国科学院武汉岩土力学研究所 岩土力学重点实验室，湖北 武汉 430071 |
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| 基金项目： | 中国科学院应用研究与发展重点项目(高速公路边坡稳定性分析与治理)资助课题 |
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| 摘 要： | 预应力锚索的破坏机理及锚固力传递模式随锚索形式及结构的不同而不同。对锚固体的一种破坏模式及锚固力渐进破坏时的传递规律进行了研究，总结出了该模式块体稳定性判据及渐进破坏时的锚固力传递递推公式，对预应力锚索的施工设计及机理研究有一定的参考价值。
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| 关 键 词： | 预应力锚索 破坏机理 锚固力传递规律 |
| 文章编号： | 1000-7598-(2003)05-0686-05 |
| 收稿时间： | 2002-09-28 |
| 修稿时间： | 2002年9月28日 |
Research on failure mechanism and anchoring force transmission of prestressed cable |
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| LI You,BAI Shi-wei,FANG Zhao-ru,ZHU Wei-shen,YANG Chun-he.Research on failure mechanism and anchoring force transmission of prestressed cable[J].Rock and Soil Mechanics,2003,24(5):686-690. |
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| Authors: | LI You BAI Shi-wei FANG Zhao-ru ZHU Wei-shen YANG Chun-he |
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| Institution: | Key Laboratory of Rock and soil Mechanics，Institute of Rock and Soil Mechanics，Chinese Academy of Sciences，Wuhan 430071，China |
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| Abstract: | Prestressed cable has been widely used in geotechnical engineering;and much attention has been paid to its reinforcing and failure mechanism. Failure mechanism of prestressed cable varies with its type and structure. One of the failure mechanisms is discussed in this paper. It is thought that separated mortar blocks surrounded by steel wire fail in shear one by one. Based on limit equilibrium method,stability judgement of blocks and recursion formula for the transmission of anchoring force after block failure one by one are obtained. The results obtained are of some significance to design and mechanism study of prestressed cable. |
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| Keywords: | prestressed cable failure mechanism transmission regularity of anchoring force |
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