| 多点支撑加固坦拱桥膨胀混凝土试验研究 |
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| 引用本文： | 王玲,周建庭.多点支撑加固坦拱桥膨胀混凝土试验研究[J].山西建筑,2008,34(4):8-9. |
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| 作者姓名： | 王玲 周建庭 |
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| 作者单位： | 重庆交通大学,重庆,400074 |
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| 基金项目： | 重庆市重大科技攻关项目（项目编号：CSTC2005AA6010）;交通部西部交通建设科技资助项目（项目编号：2004-318-814-26） |
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| 摘 要： | 通过配合比的设计和优选,对高性能微膨胀混凝土的原材料、配合比、混凝土的性能进行了试验研究,配制出满足设计要求的高性能微膨胀混凝土,并提出了现场施工的技术要求。
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| 关 键 词： | 多点支撑加固 微膨胀混凝土 配合比 干缩率 施工技术 |
| 文章编号： | 1009-6825（2008）04-0008-02 |
| 收稿时间： | 2007-10-15 |
| 修稿时间： | 2007年10月15 |
An experiment research on expansive concrete in multi-point supporting strengthening flat arch bridge |
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| WANG Ling,ZHOU Jian-ting.An experiment research on expansive concrete in multi-point supporting strengthening flat arch bridge[J].Shanxi Architecture,2008,34(4):8-9. |
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| Authors: | WANG Ling ZHOU Jian-ting |
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| Affiliation: | WANG Ling ZHOU Jian-ting |
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| Abstract: | This paper introduced the design and selection of mix ratio of micro-expansive concrete,and studied material,mix ratio,properties,construction technology of concrete,then built up high-performance expansive concrete that satisfied the requirement of practical engineering large-span flat arch bridge,the corresponding construction measure are put forward. |
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| Keywords: | multi-point supporting strengthening micro-expansive concrete mix ratio expansion ratio construction technology |
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