摘要
山区地形地质条件复杂,路堑边坡病害问题突出。此文以晋东南某高速公路为例,在分析总结区域自然地理、地质条件的基础上,选取了3处典型的路堑工程滑坡,从类型、成因、防治对策等方面进行了介绍和讨论,并对路堑边坡病害防治中存在的问题和有益做法进行了探讨。路堑滑坡作为一种工程滑坡,常由于地质构造、软弱夹层、坡后汇水、古老滑坡、雨季施工、施工方法不当、支挡加固工程不足等因素而形成。根据滑坡特征及成因机理,综合选用卸载、排水、锚杆(索)、框架梁、挡墙、抗滑桩等工程措施和植草护坡等生物措施。此文可为山区类似工程滑坡的防治提供借鉴,对山区道路工程防灾减灾具有积极意义。
Due to complex terrain and geology conditions in mountain area, the geological hazards of cutting slope are very serious. This paper takes an expressway in southeast Shanxi Province for example, summarizes the regional physical geography, meteorology and geology conditions. In terms of classification, causes and treatment measures, three typical engineering landslide of cutting slope is discussed; the problems and useful practices in the hazard prevention and control of cutting slope is also discussed. Cutting landslide, as an engineering landslide, is often formed due to geological structure, weak strata, slope catchment, impact of old landslide, construction in rainy season, improper construction method and insufficient supporting and retaining engineering. According to characteristics and formation mechanism of cutting landslide, comprehensive measures such as unloading, drainage, bolts （cables） , framework beams, retaining walls, anti -slide piles and biological measures should be adopted reasonably. This paper can provide reference for similar engineering landslide treatment, and has positive significance to the hazard mitigation and reduction of road engineering in mountain area.
出处
《铁路工程技术与经济》
2017年第1期32-36,共5页
Railway Engineering Technology and Economy
关键词
高速公路
路堑滑坡
成因分析
防治对策
Highway
Cutting landslide
Cause analysis
Countermeasures
