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三峡工程一期围堰施工技术综述 被引量:1

A summary of the construction technology in the first phrase cofferdam of the Three Gorges Project
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摘要 三峡工程一期围堰全长2649m,工程量大,工期紧。在施工中从技术角度选取了风险决策抢填试验段;优选石料料场并应用硐室爆破技术开采石料;改进围堰防渗结构和施工技术;优化改进围堰施工方案和细部结构,使一期土石围堰工程提前10个月顺利建成。一期围堰经过3年运行和洪水考验,工程质量良好,为三峡工程大江截流创造了良好条件。 The first-phrase cofferdam of the Three Gorges Project is 2 649 m long,with a large project quantities and short construction period.In the construction,the test section is rush filled based on the risk decision and viewed from the technical point.In the construction,the test section is rush filled based on the risk decision and viewed from the technical point.The quarry site has been optimized and the chamber blasting technology has been adopted.The first-phrase cofferdam has stood the test of operation and flood for three years and has proved that the quality of the cofferdam is good,which creates a favorable condition for the river closure of the Three Gorges Project.
作者 周厚贵
出处 《水力发电》 北大核心 1998年第1期49-52,共4页 Water Power
关键词 防渗墙 土石围堰 三峡工程 施工技术 risk decision,optimization quarry,tunnel chamber blasting diaphragm,first-phrase earth rock cofferdam,Three Gorges Project
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