公路岩质高边坡稳定性的综合评价研究

岩质高边坡稳定性评价是一复杂的系统工程问题。该问题的分析、研究、评价和设计是不能用纯粹和单一的数学方法和力学方法加以计算论证的。在充分分析岩质高边坡赋存的地质背景和环境条件的基础上,采用综合分析评价、综合集成的方法是研究分析和解决该问题的最佳方法。采用赤平极射投影法、Sarma法和有限单元(FEM)法等,对某高速公路岩质高边坡工程实例进行综合评价和集成分析,获得的综合结论被设计与施工单位采用;工程竣工后,已正常运营使用若干年的实践事实反映了该集成分析、综合评价方法是成功的表明综合评价、集成分析是高速公路岩质高边坡稳定性评价分析的重要途径。

Comprehensive evaluation and research on stability of high lithological slope of expressway

Stability of high lithological slope was is of complex problems in highway construction in mountainous area and hilly country,which is a complicated system engineering problem,and can mot be solved by simple mathematical and mechanical methods.On the basis of geological and environmental conditions,comprehensive analysis and evaluation with integrate mode should be the best method used for its research and solution.Stereographic projection method,Sarma method and Finite-Element Method(FEM) were used to comprehensively evaluate and integratively analyze some high lithological slope of Zhangzhou-Longyan Expressway,which procured ideal conclusions and were accepted and adopted by design and execution departments.This project practice for several years safe operation after completion shows that the comprehensive evaluation and integrated analysis method is successful and effective,and should be an important way of stability evaluation of high lithological slope of expressway.