卵形消化池基坑开挖防管涌的施工方法  

Construction Scheme for Prevention of Piping in Excavation of Foundation Pit of Egg-shaped Digester

作　　者：陈荣贤 韩勇[2] 

机构地区：[1]漳州净化水管理处,福建漳州363000 [2]中国市政工程华北设计研究院,天津300074

出　　处：《中国给水排水》2005年第10期102-103,共2页China Water & Wastewater

摘　　要：某工程在黄海高程-10.2^-10.8 m处有承压水存在,由于挖土卸荷作用,使基底上覆土重力小于承压水浮力,为防止基坑因突涌而失稳,对基底采用了灌浆固结施工措施,保证了基坑的稳定并缩短了工期。In construction of a project, there exists the confined water at（ - 10.2） - （ - 10.8） m of Yellow Sea Datum. Due to the unloading incurred by excavation, the weight of coverage soil on foundation base is less than the buoyancy of confined water. In order to prevent instability of foundation pit caused by drainage of confined water, consolidation grouting measure is adopted for the foundation base, so that the foundation pit is stabilized and the construction period is shortened.

关 键 词：基坑开挖 卵形消化池 施工方法 管涌 施工措施 灌浆固结 承压水 水浮力 基底 

分 类 号：TU753[建筑科学—建筑技术科学]