深基坑土钉墙渗水涌砂险情分析和应急处置  

Analysis of Seepage and Sand Gushing Danger of Soil Nailing Wall in Deep Foundation Pit and Emergency Treatment

作　　者：赵丽娟 杨梓芳 ZHAO Lijuan;YANG Zifang(CCCC First Highway Consultants Co.,Ltd.,Xi'an 710065,China;Yunnan Architectural Engineering Design Company Limited,Kunming 650000,China)

机构地区：[1]中交第一公路勘察设计研究院有限公司,西安710065 [2]云南省建筑工程设计院有限公司,昆明650000

出　　处：《路基工程》2023年第3期217-221,共5页Subgrade Engineering

摘　　要：依托北京市大兴区旧宫镇南五环外京台高速东侧某基坑工程,从土钉墙支护结构下基坑险情的表现特征、现场调查分析、处理措施等方面进行叙述,提出关于水造成基坑险情的预防、处理措施以及影响土钉墙支护结构安全性的处理措施。Relying on a foundation pit project on the east side of Jingtai Expressway outside the South Fifth Ring Road of Jiugong Town,Daxing District,Beijing,through narratting the performance characteristics,site investigation and analysis,and treatment measures of the foundation pit danger under the soil nailing wall supporting structure,it puts forward the prevention and treatment measures for the danger of foundation pit caused by water and the treatment measures affecting the safety of soil nailing wall supporting structure.

关 键 词：深基坑 土钉墙 渗水 涌砂 变形监测 应急处置 

分 类 号：TU463[建筑科学—结构工程]