| 微膨胀钢管混凝土配合比设计与性能试验 |
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| 引用本文： | 刘伟良,段海涛.微膨胀钢管混凝土配合比设计与性能试验[J].建材技术与应用,2011(8). |
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| 作者姓名： | 刘伟良 段海涛 |
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| 作者单位： | 中铁港航局第二工程有限公司,广东广州,510800 |
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| 摘 要： | 结合高速公路特大桥钢管拱桥微膨胀钢管混凝土的施工实践,就微膨胀钢管混凝土的配合比设计与性能试验方法进行了研究.经试验,确定了微膨胀钢管混凝土的配合比,混凝土的工作性能、强度和膨胀率均满足设计及施工要求.
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| 关 键 词： | 钢管混凝土 微膨胀 配合比设计 性能 |
Mix Ratio Design and Performance Test of Microdilatancy Concrete Filled Steel Tube |
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| LIU Wei-liang,DUAN Hai-tao.Mix Ratio Design and Performance Test of Microdilatancy Concrete Filled Steel Tube[J].Research & Application of Building Materials,2011(8). |
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| Authors: | LIU Wei-liang DUAN Hai-tao |
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| Affiliation: | LIU Wei-liang,DUAN Hai-tao(China Railway Waterway Office,Second Engineering Co.,LTD,Guangzhou,Guangdong,510800,China) |
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| Abstract: | Combined with construction practice of microdilatancy concrete filled with steel tube of a especially big expressway-arch-steel-tube-bridge,this paper studies the mix ratio design and performance test methods of microdilatancy concrete filled with steel tube.According to the experiment,its mix ratio is confirmed,and the service behaviour,strength and expansion ratio meet the need of devise and construction. |
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| Keywords: | concrete filled steel tube microdilatancy mix ratio design performance |
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