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大型钢管混凝土拱桥泵送混凝土配合比设计

Design of Mix Proportioning of Pumped Concrete for Major Arch Bridges of Concrete-Filled Steel Pipes

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【Author】 XU Zhao-bin~1, WANG Yuan-feng~2, DENG Miao-hui~3 (1. Bridge Science Research Institute Ltd., China Zhongtie Major Bridge Engineering Group, Wuhan 430034, China; 2. The 3rd Engineering Co., Ltd., China Zhongtie Major Bridge Engineering Group, Huadu 510800, China; 3. Department of Comprehensive Construction Projects, East District Co., Ltd., Guangzhou Economic and Technical Development Zone,Guangzhou 510760, China)

【机构】中铁大桥局桥科院；中铁大桥局集团三公司；广州经济技术开发区东区有限责任公司综合工程部湖北武汉430034；广东花都510800；广东广州510760；

【摘要】以武汉江汉三桥、湖北秭归青干河大桥、奉节梅溪河大桥为例,介绍钢管拱泵送混凝土配合比的设计要求,各种原材料的选择及相容性试验,试验室配合比和施工配合比的确定。更多还原

【Abstract】 With reference to the 3rd Jianghan Bridge in Wuhan, Qingganhe River Bridge in Zigui, Hubei and Meixihe River Bridge in Fengjie, this paper describes the design requirements for mix proportioning of pumped concrete for arch bridges of concrete-filled steel pipes, selection of all kinds of materials, compatibility tests and determination of both laboratory and construction mix proportioning.更多还原

【关键词】拱桥；钢管混凝土结构；混凝土外加剂；配合比；设计；
【Key words】 arch bridge； concrete-filled steel pipe structure； concrete admixture； mix proportioning； design；

【文献出处】桥梁建设 ,Bridge Construction , 编辑部邮箱 ,2004年03期
【分类号】U444
【被引频次】10
【下载频次】188

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