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库区深水单壁钢围堰垮塌处理施工技术

The Construction Technology Research on Collapse Treatment for Steel Cofferdam with Single Wall in Deep Water Reservoir
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摘要 以库区某桥深水单壁钢围堰垮塌事故为例,介绍事故形成经过,分析垮塌原因,提出在垮塌区域采用双壁钢围堰恢复,并在夹壁内浇筑封底水下混凝土的处理技术,阐述处理实施要点和注意事项。 Taking a collapse accident of steel cofferdam with single wall in deep water reservoir as an example,introducing the process of accident formation,analyzing the cause of the accident,proposing treatment technology that taking steel cofferdam with double wall to recover in collapse area and pouring bottom-sealing underwater concrete in sandwich wall,explaining the main points and attentions of treatment implementing.
作者 刘小勇 徐巧成 范波 LIU Xiaoyong;XU Qiaocheng;FAN Bo(China Communications 2nd Navigational Bureau 2nd Engineering Co.,Ltd,Chongqing 401121,China)
出处 《施工技术》 CAS 2018年第A04期708-710,共3页 Construction Technology
关键词 单壁钢围堰 垮塌 夹壁 拼缝 堵缝 水下混凝土 灌浆 steel cofferdam with single wall collapse sandwich wall patchwork caulking ioint underwater concrete Grouting
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