| 松花江大桥冻融碳化规律试验研究及其养护对策 |
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| 引用本文： | 谢伟东.松花江大桥冻融碳化规律试验研究及其养护对策[J].太原科技,2011(6):75-78. |
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| 作者姓名： | 谢伟东 |
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| 作者单位： | 中铁十三局第四工程公司,黑龙江哈尔滨,150008 |
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| 摘 要： | 针对松花江大桥所处环境特点,利用大桥施工时的材料及配比在施工现场制作了一批混凝土试件,养护到预定龄期后运回实验室进行冻融试验和冻融损伤影响下的碳化试验。通过试验研究掌握了结构混凝土的冻融劣化规律,建立大桥混凝土构件的冻融碳化耐久性退化模型,并提出大桥后期使用过程中的维护及修复措施。
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| 关 键 词： | 公路大桥 冻融循环 碳化规律 维护措施 |
Countermeasures of Conservation of Rules of Freezing-melting and Carbonization of Songhua River Bridge |
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| Xie Wei-dong.Countermeasures of Conservation of Rules of Freezing-melting and Carbonization of Songhua River Bridge[J].Taiyuan Science and Technology,2011(6):75-78. |
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| Authors: | Xie Wei-dong |
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| Institution: | Xie Wei-dong(China Railway 13 Bureau Group of the Fourth Engineering Co.,Ltd,Harbin 150008 China) |
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| Abstract: | Aiming at features of environment of the Songhua River,the author made a batch of concrete sample by using material and matching.Then,the author made carbonization test based on freezing-melting and loss.Through experiment and research,the author obtained regular of freezing-melting and degradation of concrete and made degradation model of freezing-melting and carbonization of building concrete member.Finally,the author put forward maintaining measures in later procedure. |
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| Keywords: | road bridge freezing-melting circulation carbonization rule maintaining measure |
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