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小湾水电站引水发电系统中的6条压力管道钢衬段底部120°衬砌和6条肘管底部回填混凝土均使用高流态自密实混凝土进行回填,其高流态自密实混凝土填充性、间隙通过性、密实性等性能关系到电站压力管道和肘管的运作,实验是确定配合比及混凝土浇筑施工的依据,高流态自密实混凝土成功应用为以后相关工程积累重要经验和施工依。
Xiaowan Hydropower Station Water Diversion Power Generation System of six pressure pipes at the bottom of the steel lining of 120 ° lining and 6 at the bottom of elbow backfill concrete are used high-flow self-compacting concrete backfill, the high-flow state of self-compacting concrete fill, clearance through The properties such as sex and compactness are related to the operation of pressure pipes and elbows in power stations. The experiment is the basis for determining the mix ratio and concrete pouring construction. The successful application of high-flow-state self-compacting concrete has accumulated important experience and construction requirements for related projects in the future.