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目前高速公路路堑高边坡设计越来越得到设计单位的重视,但高边坡稳定性评价和设计方法不尽合理。文章基于工程实践,阐述了高边坡地质勘察工作各个阶段的工作重点;在此基础上,应采取工程地质类比法、地质力学法和极限平衡法相结合的分析手段来综合评价路堑高边坡的稳定性。根据边坡不同的稳定程度进行工点设计,包括坡形坡率、加固工程、防护工程、排水工程、监测工程和动态设计等部分。并介绍了工程实例以供同行参考。
At present, the design of highway high slope is getting more and more attention from design institute, but the stability evaluation and design method of high slope are not reasonable. Based on the engineering practice, this paper elaborates the key points of work in each stage of high slope geological prospecting work. On this basis, we should adopt the method of engineering geological analogy, geomechanical method and limit equilibrium method to comprehensively evaluate the high slope stability. According to the slope stability of different points for the design, including the slope slope, reinforcement engineering, protection engineering, drainage engineering, monitoring engineering and dynamic design and other parts. And introduced the project example for peer reference.