| 泵送顶升钢管拱自密实混凝土施工技术 |
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| 引用本文： | 蒋正武,潘微旺,李享涛,张长贵. 泵送顶升钢管拱自密实混凝土施工技术[J]. 建筑技术, 2011, 42(2): 134-137 |
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| 作者姓名： | 蒋正武 潘微旺 李享涛 张长贵 |
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| 作者单位： | 1. 同济大学先进土木工程材料教育部重点试验室,200092,上海
2. 湖州鹿山坞矿山有限公司,313025,浙江湖州 |
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| 基金项目： | 浙江省重大科技专项(2008C13084); 国家自然科学基金资助项目(51078269) |
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| 摘 要： | 根据钢管拱桥桥型特点、连续泵送顶升施工工艺、现场施工条件和环境气候条件，提出了钢管拱自密实混凝土的性能指标要求、泵送顶升施工流程、施工准备、泵送顺序、辅助设计、施工中应急处理措施与施工技术要点等方面的施工方案，现场配制出了工作性良好的高强补偿收缩自密实混凝土。根据该施工方案，经良好的现场施工组织与控制、浇筑过程监控，全桥各钢管拱混凝土的泵送顶升施工均取得成功。
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| 关 键 词： | 钢管拱 自密实混凝土 施工工艺 泵送顶升 |
CONSTRUCTION TECHNIQUES OF SELF-COMPACTING CONCRETE FILLED STEEL TUBE ARCH |
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| JIANG Zheng-wu,PAN Wei-wang,LI Xiang-tao,ZHANG Chang-gui. CONSTRUCTION TECHNIQUES OF SELF-COMPACTING CONCRETE FILLED STEEL TUBE ARCH[J]. Architecture Technology, 2011, 42(2): 134-137 |
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| Authors: | JIANG Zheng-wu PAN Wei-wang LI Xiang-tao ZHANG Chang-gui |
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| Affiliation: | JIANG Zheng-wu1,PAN Wei-wang1,LI Xiang-tao1,ZHANG Chang-gui2(1.Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education,Tongji University,200092,Shanghai,China,2.Huzhou Lushanwu Mineral Co.,Ltd.,313025,Huzhou,Zhejiang,China) |
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| Abstract: | According to the bridge type characteristics,continuous pumping lift-up construction technology,on-site construction conditions and environmental climatic conditions in the project,construction program,which includes performance requirements of SCC filled steel tube,construction process of pumping lift-up,construction preparation,pumping sequence,aided design emergency treatment measures during construction,major technical construction issues,etc,were proposed in the paper;SCC with the properties of high-st... |
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| Keywords: | steel pipe arch self-compacting concrete construction technique pumping lift-up |
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