摘要
近年来随着极端降雨的次数增多,路堑失稳发生的频率也明显增加,微型桩因其施工快捷方便的特点也越来越多的应用于公路滑坡的加固治理。以黄石伍家洪大道路堑滑坡为例,查明了滑坡的工程地质条件并分析了路堑失稳的原因。采用微型钢管桩锚杆格构梁对滑坡进行治理。分析对比了现状滑坡和治理后滑坡的稳定系数,治理后稳定系数提高了约43%。通过近3年监测数据分析,滑坡已处于稳定状态,达到了预期治理效果。本研究为同类路堑滑坡治理提供可参考的经验和依据。
With the increasing frequency of extreme rainfall in recent years,the frequency of road cutting slope instability also increases significantly.Due to the characteristics of quick and convenient construction,micro pile is more and more applied in the emergency treatment of highway slope landslide.Taking the slope of the Huangshi Wu jiahong Road as an example,the geological conditions of the slope were found and analyzed the reasons for the loss of stability of the slope.Use a micro-steel pipe pile and rod lattice beam to control the slope.The analysis compared the stability coefficient of the current slope and the slope after governance,the stability coef-ficient after governance increased by about 43%.Through the analysis of monitoring data in the past three years,the slope has been stable and has achieved the expected effect.This study provides reference experience and basis for reference for similar road slope governance.
作者
安正斌
周君华
王能永
AN Zhengbin;ZHOU Junhua;WANG Nengyong(China Coal Geology Hubei Geological Survey Foundation Engineering Co.,Ltd.,Wuhan 430070,Hubei,China;Hubei Coal Geology Team 182,Huangshi 435000,Hubei,China)
出处
《矿产勘查》
2024年第S2期324-332,共9页
Mineral Exploration
关键词
路堑边坡
微型钢管桩
锚杆格构梁
稳定性分析
滑坡治理
cutting slope
micro steel pipe pile
anchor rod lattice beam
stability analysis
landslide reinforcing
