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san xia gong cheng er jie duan hun ning tu wai jia ji ji shu xing neng ji ying yong
Author(s): 
Pages: 20-23
Year: Issue:  4
Journal: EXPRESS WATER RESOURCES & HYDROPOWER INFORMATION

Keyword:  混凝土配合比外加剂指标力学性能试验质量控制三峡水利枢纽;
Abstract: 三峡工程从优选原材料入手,通过大量的试验研究及优化混凝土配合比,使混凝土技术性能达国内外先进水平。其中,混凝土外加剂虽然用量较少,但对混凝土性能影响较大,因此三峡工程对混凝土外加剂的选用非常慎重,经过反复试验验证,最终推荐用于工程建设的外加剂为:缓凝高效减水剂ZB-1A、R561C、FDN9001、JG3、X404,泵送剂JM-Ⅱ及引气剂DH9和PC-2。
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