Optimum Analysis of Soil-nailing Protecting Stability in Foundation Pit
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摘要: 采用Sarma（萨尔马）提出的扰动力的概念分析了土钉支护的极限平衡状态，建立了考虑条间作用力影响的土钉墙支护稳定分析的数学模型，采用SLP优化理论确定最危险滑动面。通过实例计算表明其优点与实用性。Abstract: The concept of disturbing force proposed by Sarma is adopted,the limit equilibrium state of soil-nailing wall is analysed. The mathematical model of stability analysis which the interaction of inter-slice force is considered is established for the soil-nailing wall. The most dangerous sliding plane is determined based on the SLP optimization theory. The calculations of the project examples show its advantages and practicality.
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Key words:
- soil nailing /
- disturbing force /
- inter-slice force /
- SLP optimization theory
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