| 基于桩顶位移监测的抗滑桩安全性评价方法 |
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| 引用本文： | 郭帅杰.基于桩顶位移监测的抗滑桩安全性评价方法[J].路基工程,2018,0(4):25. |
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| 作者姓名： | 郭帅杰 |
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| 作者单位： | 1.中国铁路设计集团有限公司, 天津 300251 |
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| 基金项目： | 铁三院科技研究开发计划项目:高边坡及支挡结构监测与评估技术研究（721553） |
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| 摘 要： | 为研究抗滑桩支挡结构位移监测同安全性之间的关系，建立基于桩顶位移监测的抗滑桩安全性评价方法，运用理论分析及编程计算开展研究。结果表明:抗滑桩变形以边坡滑动面为界限分为自由端和锚固段两部分；通过弹性地基梁方法可以得到抗滑桩变形同桩体内力间的对应关系，采用抗滑桩容许剪力、容许弯矩和地应力校核指标，能够实现对抗滑桩结构的安全性评价。
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| 关 键 词： | 抗滑桩 安全性评价 位移监测 弹性地基梁 |
| 收稿时间： | 2019-11-11 |
Research on the Safety Assessment of Anti-slide Pile Based on Displacement Monitoring of Pile Tip |
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| Abstract: | The purpose of this study is to investigate the relationship between the safety of anti-slide pile retaining structure and displacement monitoring and establish the safety assessment method based on monitoring displacement of pile tip. For this target, theoretical analysis and programming calculation are used to carry out the whole research. Research achievements show that anti-slide pile deformation can be defined two parts as the free pile and the anchorage pile with the boundary of slop sliding surface and the relationship between anti-slide pile deformation and the inner force of pile can be obtained through the elastic foundation beam method. Finally, safety assessment can be conducted by the shear stress, moment and the ground stress check accordingly. |
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