深基坑安全风险与事故案例分析

Deep Foundation Pit Security Risks and Accident Case Analysis

北京地区常见三种基坑支护型式——土钉墙(复合土钉墙)、桩(墙)锚和内支撑在设计和施工中存在的主要风险,提出了应对措施;通过事故案例分析,说明风险与事故的关系。对基坑支护设计、施工、监管、教研有重要参考作用。

This paper points out the main risks of three pit supporting types--soil nailed wall （composite soil nailed wall）, piles （wall） anchor and inner support in the design and construction in Beijing, and proposed measures to cope with. Through accident analysis, the paper describes the relationship of risks and accidents. In aspect of pit supporting design, construction, supervision, teaching and research, this paper has important reference value.