| 高速公路缓倾红层软岩滑坡形成机制及防治措施研究 |
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| 引用本文： | 叶尚其,何云勇,蔡晓红,余惠莉.高速公路缓倾红层软岩滑坡形成机制及防治措施研究[J].地质灾害与环境保护,2019,30(1):43-47. |
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| 作者姓名： | 叶尚其 何云勇 蔡晓红 余惠莉 |
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| 作者单位： | 四川省交通运输厅公路规划勘察设计研究院,成都,610041;中石化西南油气分公司成都龙星天然气有限责任公司,成都,610100 |
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| 摘 要： | 以缓倾红层软岩地区某新建高速公路路堑开挖滑坡为例,通过对该滑坡形成过程、致灾因素及变形机制进行分析,结果表明:前缘开挖临空条件、大气降雨是滑坡产生的主要因素,高边坡开挖形成临空面,降雨使岩体处于饱水状态,在裂缝扩张力及静水压力作用下,形成垂直裂隙并向岩体深部发展,剪断岩层局部层面结构面,最后贯通形成滑面滑动致灾。滑坡前缘反压堆载、后缘裂缝遮盖防雨,坡面截排水、位移监控等应急措施止滑效果较好,推荐采用支挡工程+清方方案处治滑坡。建议缓倾红层软岩边坡加固设计贯彻分级支挡思路,以提高边坡稳定性及施工安全性。
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| 关 键 词： | 高速公路 缓倾 红层软岩 变形机制 防治措施 |
STUDY ON FORMATION MECHANISM AND PREVENTION MEASURES OF SOFT ROCK LANDSLIDE IN SLOWLY INCLINED RED LAYER OF EXPRESSWAY |
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| YE Shang-qi,HE Yun-yong,CAI Xiao-hong,YU Hui-li.STUDY ON FORMATION MECHANISM AND PREVENTION MEASURES OF SOFT ROCK LANDSLIDE IN SLOWLY INCLINED RED LAYER OF EXPRESSWAY[J].Journal of Geological Hazards and Environment Preservation,2019,30(1):43-47. |
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| Authors: | YE Shang-qi HE Yun-yong CAI Xiao-hong YU Hui-li |
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| Institution: | (Sichuan Provincial Transport Department Highway Planing,Survey,Design And Research Institute,Chengdu 610041,China;Chengdu Longxing Nature Gas Co. ,Ltd. of Southwest Oil &Gas Company, SINOPEC, Chengdu 610100,China) |
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| Abstract: | YE Shang-qi;HE Yun-yong;CAI Xiao-hong;YU Hui-li(Sichuan Provincial Transport Department Highway Planing,Survey,Design And Research Institute,Chengdu 610041,China;Chengdu Longxing Nature Gas Co. ,Ltd. of Southwest Oil &Gas Company, SINOPEC, Chengdu 610100,China) |
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| Keywords: | highway gentle dip red layer soft rock deformation mechanism prevention measures |
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