摘要
依据现场地质调绘及勘探测试资料,对某高速公路建设影响较大的黄土-泥岩混合滑坡产生的原因进行了分析,并采用定性与定量相结合的方法,评价了滑坡稳定性。以高速公路隧道安全标准为基准,采用上部削方减载+坡脚局部回填反压+锚索框架支护+排水+坡面防护的处治措施后,潜在滑动面的剩余下滑力及稳定系数得到明显改善。
Based on the field geological mapping and exploration test data,analyzed the causes and stability of the landslide by the combination of qualitative evaluation and quantitative analysis.Comprehensively considering the safety standards of the affected highway tunnel,the treatment measures of upper cutting and load reduction+local backfill back pressure at the slope toe+anchor cable frame support+drainage+slope protection are adopted.The calculation results show that the residual sliding force and stability factor of the potential sliding surface are significantly improved.
作者
王龙
Wang Long(Gansu New Development Investment Group Co.,Ltd.,Lanzhou 730000,China)
出处
《科学技术创新》
2022年第25期82-85,共4页
Scientific and Technological Innovation
关键词
隧道
黄土-泥岩混合滑坡
滑坡稳定性
处治措施
tunnel
loess-mudstone mixed landslide
landslide stability
processing measures