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Application of High-performance Concrete in Construction of A butment for the Second Songhua River Super-long Bridge
Author(s): Li Zong
Pages: 34
Year: 2008
Issue:
12
Journal: Chinese Railways
Keyword: 高性能混凝土; 第二松花江特大桥; 承台施工; 哈大铁路客运专线;
Abstract: 分析高性能混凝土的技术特点和影响混凝土耐久性的因素,选择水泥、骨料、外加剂、掺和料等原材料,并根据设计要求进行配合比对比试验,确定高性能混凝土技术参数和配合比.在哈大铁路客运专线第二松花江特大桥的承台施工中,控制高性能混凝土原材料质量,搅拌、运输、浇筑和养护工艺流程,实拌高性能混凝土的各项技术指标达到设计要求,为该桥下一步52 m双线简支箱梁、桥面附属结构等施工积累经验.
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