浅析深基坑开挖风险识别及塌方应急处理

深基坑开挖施工环境复杂,容易发生基坑塌方群死群伤的安全生产事故。本文通过对某工程支护结构在地下室施工过程中发生局部塌方事件进行分析,阐述及对其进行处理的施工实践体会,希望能够给类似项目工程管理人员在深基坑土方开挖过程中做好风险识别及塌方应急处理工作提供一些帮助。

Technical analysis on the emergency handling of Tangjiashan barrier lake

This paper gives a brief introduction to the emergency handling of Tangjiashan barrier lake.Some technologies for the application of geological and topographical data are summarized and the mechanism of formation of a barrier lake is analyzed.Based on the safety status evaluation,the dam breach flood point is calculated.The paper concludes with discussion of the practical effects of emergency handling scenarios and different drainage channel designs.