软土地区圆环支撑体系基坑两次险情探析  

Analysis on two dangerous situations of a ring support system foundation pit in soft soil area

作　　者：倪政东 NI Zhengdong(Fuijan Architecture&Light-textile Design Institute Co.,Ltd,Fuzhou 350100)

机构地区：[1]福建省建筑轻纺设计院有限公司,福建福州350100

出　　处：《福建建筑》2023年第2期72-77,共6页Fujian Architecture & Construction

摘　　要：以某软土地区圆环支撑体系基坑开挖过程中出现的两次险情及其处理为研究背景。分析诱发险情的主要原因,应对险情的处理方案。利用有限元数值模拟技术,对险情处理方案进行分析,进一步验证险情处理方案的安全性。对软土基坑的两次险情处理经验进行总结,可为类似的工程设计以及险情预防与处理提供工程实例经验。The research background is two dangerous situations in the excavation process of ring support system in a soft soil area and their treatment.Analyze the main causes of dangerous situations and the solutions to dangerous situations.The finite element numerical simulation technique is used to analyze the dangerous situation treatment scheme and further verify the safety of the dangerous situation treatment scheme.Summarizing the experience of treating two dangerous situations in soft soil foundation pit can provide practical experience for similar engineering design,prevention and treatment of dangerous situations.

关 键 词：软土基坑 圆环支撑体系 工程险情实例 有限元数值模拟 

分 类 号：TU4[建筑科学—土工工程]