黄陵矿业集团矿工公寓楼基坑支护工程设计
投稿时间:2020-03-21  修订日期:2020-07-10  点此下载全文
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作者单位E-mail
王 伟 陕西地质工程有限公司 86596326@qq.com 
樊亚萍 陕西地质工程有限公司  
王振福 陕西地矿集团有限公司 wangzhenfu@sohu.com 
中文摘要:基坑设计开挖深度8.37m。南侧安全等级为一级,不具备放坡条件,设计采用排桩+预应力锚索格构支护方案;东、西、北三侧区段安全等级为二级,具备放坡条件,设计采用放坡+土钉墙支护方案;采用坑外管井降水+坑内集水明排组合降水方法。介绍了不同支护方案和降水方案的设计情况,同时介绍了土钉墙、支护桩、预应力锚索、降水井及观测井的施工技术要求。
中文关键词:基坑支护  排桩+预应力锚索  放坡+土钉墙  管井降水
 
Foundation pit support engineering design for miners
Abstract:The engineering design excavation depth is 8.37m. The security level on the south side is first grade, and there is no inclined condition. The design adopts the row pile + prestressed anchor point support scheme; the safety grades of the east, west and north sections are two grades, and have inclined conditions. The design adopts the garding + soil nail wall support scheme; the combined dewatering method of the pipe well outside the pit + the water collection and drainage in the pit. The design conditions of different support schemes and precipitation schemes are introduced. At the same time, the construction technical requirements of soil nailing walls, supporting piles, prestressed anchor cables, dewatering wells and observation wells are introduced.
keywords:foundation pit support  row of piles + prestressed anchor cable  grading + soil nailing wall  pipe well dewatering
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