人工填海区深基坑涌水、涌砂事故分析与处理浅谈  

Brief Discussion on Analysis and Treatment of Water and Sand Gushing Accidents of Deep Foundation Pit in Artificial Reclamation Area

作　　者：黄宏林 戴天宇[1] 肖少鸿 HUANG Honglin;DAI Tianyu;XIAO Shaohong(China Construction Second Engineering Bureau Co.,Ltd.,Shenzhen,Guangdong 518048,China)

机构地区：[1]中国建筑第二工程局有限公司,广东深圳518048

出　　处：《建筑施工》2021年第7期1220-1221,共2页Building Construction

摘　　要：针对某人工填海区大型城市综合体深基坑工程因场地存在强透水砾砂层而引发坑底涌水、涌砂现象的情况,对事故出现的各种原因进行了全面分析。介绍了在基坑支护结构设计、施工及土方开挖不同阶段的防治措施,以期为类似工程提供经验借鉴。Aiming at the situation of water and sand gushing at the bottom of a deep foundation pit of a large-scale urban complex in an artificial reclamation area due to the existence of strong permeable gravel sand layer,this paper comprehensively analyzes various causes of the accident and introduces the prevention measures in different stages of foundation pit supporting structure design,construction and earthwork excavation,so as to provide experience for similar projects.

关 键 词：人工填海区 深基坑 涌水涌砂 强透水砾砂层 

分 类 号：TU753.6[建筑科学—建筑技术科学]