顺层高边坡是万梁高速公路沿线最主要的失稳边坡类型,本文选取具有代表性的安龙顺层路堑高边坡工点,对顺层岩石滑坡的发生机理以及病害的加固对策等进行了分析。安龙滑坡的病害机理表现为破碎砂岩依附层状泥岩夹层产生的顺层滑动,病害类型为多层、多级滑动的顺层破碎岩石滑坡。项目贯彻“治坡先治水”、“固脚强腰”、“环境友好”的防治思想,采取以锚固工程为主,同时结合刷方减重和截排水工程等措施对边坡病害进行综合治理,工程治理效果较为理想。
Bedding high rock slope is the main unstable slope type in Wan-Liang expressway. Taking the typical An-Long bedding high rock slope as an example, this paper studied the occurrence mechanism and disease reinforcement countermeasures of bedding rock landslide. The disease mechanism of An-Long landslide is the bedding sliding produced by broken sandstone attaching layered mudstone interbeds and the disease type is the multi-layer and multi-level sliding bedding broken rock landslide. According to the controlling idea of early drainage, strong middle and toe part of landslide, and friendly environment, this paper mainly adopted the anchor engineering and combined with other measures of lightening weight by moving away rocks and cutting drainage works for slope disease comprehensive management, the engineering treatment effect of which is ideal.