结合工程实例，提出了在深基坑坑内降水井设置方法及封堵技术措施，并对隔水帷幕止水、基坑内管井降水相结合的技术进行了论述，通过工程案例的应用，证明该方法经济、实用、简单易行，适用于在基础筏板上留置降水井的工程。%Combining with the engineering examples,the paper points out the allocation methods and blocking technical measures of the dewate-ring well in deep foundation pits,indicates the combined technique of waterproof curtain and pipe dewatering of foundation pit,and proves the method is money-saving,practical and easy for operation and prone to being applied in the lien dewatering well on foundation raft according to the application of engineering cases.
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