论陆良烟草宾馆基坑边坡喷锚支护技术的应用

Application of Shotcrete & Rock Bolt Support in the Slope of Foundation Pit for Luliang Tobacco Hotel

阐述了某大型深基坑边坡喷锚支护的设计方案及施工方法。从喷锚支护结构设计、土层物理力学性质、施工工艺、现场管理、技术经济评价等方面,进行了分析、讨论。指出该技术具有及时、快速、随挖随支,与基坑开挖同步进行,不占独立工期,占用施工场地小,边壁位移量小等特点,可供同类专业参考。

Design scheme and construction method to build a large and deep shotcrete and rock bolt support in the slope of foundation pit are expatiated here, so do the analysis and discussions on structural design of shotcrete and rock bolt support, physical and mechanical properties of soil - layer, construction processes, site management and technical and economical assessment, etc.. The authors indicate this technology has many advantages, such as the supports able to be completed fast and timely in synchronizing with the digging of the foundation pit, no independent construction period arranged, with less occupation of construction area and small displacement of side wall, etc. for reference by all fellow traders.