西瓦里克地质区域条件下软岩高边坡施工技术  

Construction Technology of Soft Rock High Slope under the Condition of Siwalik Geological Region

作　　者：胡天然 刘勇 陈很 HU Tianran;LIU Yong;CHEN Hen(China Railway No.2 Engineering Group Co.,Ltd.,Chengdu 610032,China)

机构地区：[1]中铁二局集团有限公司,成都610032

出　　处：《路基工程》2024年第3期146-150,共5页Subgrade Engineering

摘　　要：以尼泊尔某水电工程引水隧道TBM始发平台永久边坡工程为依托,介绍西瓦里克地质区域条件下软岩高边坡的设计方案与施工关键技术,通过稳定性计算,采用土钉锚杆+网格梁/喷锚支护+综合排水措施。通过施工监测结合永久监测数据分析,边坡整体稳定,满足设计要求。Based on the permanent slope project of TBM starting platform of water diversion tunnel of a hydropower project in Nepal,this paper introduces the design scheme and construction key technologies of soft rock high slope under the condition of Siwalik geological region.Through stability calculation,soil nail bolt+grid beam/spray anchor support+comprehensive drainage measures are adopted.Through construction monitoring combined with permanent monitoring data analysis,the overall stability of the slope is achieved,meeting the design requirements.

关 键 词：多雨气候 复杂软岩 TBM 高陡台阶 弧形边坡 变形监测 锚固支护 生态环保 稳定性 

分 类 号：TU457[建筑科学—岩土工程]