| 使混凝土和钢桥长寿的涂抹材料 |
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| 引用本文： | 石川一美,川口裕司,田村道正.使混凝土和钢桥长寿的涂抹材料[J].城市道桥与防洪,2007(5):57-59. |
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| 作者姓名： | 石川一美 川口裕司 田村道正 |
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| 作者单位： | 佐东奥科贸(上海)有限公司,上海市,200131;日沥株式会社,日本东京;爱增尔产业株式会社,日本东京 |
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| 摘 要： | 降低桥梁寿命的最大的原因,是雨水、道路撒水、喷防冻结剂产生的冻解水和水影响造成的材料劣化。混凝土桥寿命降低的原因是由于水渗人造成的钢筋、PC钢棒锈蚀;涂层劣化造成的钢材锈蚀使钢桥寿命降低。桥面铺设寿命降低的原因是由于防水层劣化、桥面积水造成的铺设损伤。该文对优于通用的混凝土保护材料及在钢桥的钢床中使用的涂层系列防水材料进行了论述。
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| 关 键 词： | 桥梁寿命 维护管理 混凝土保护材料 桥梁防水材料 |
| 文章编号： | 1009-7716（2007）05-0057-03 |
| 收稿时间： | 2007-03-19 |
| 修稿时间： | 2007-03-19 |
Coating Material Making Concrete and Steel Bridge Long Service Life |
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| Shichuan Yimei,Chuankou Yusi,Tiancun Daozheng.Coating Material Making Concrete and Steel Bridge Long Service Life[J].Urban Roads Bridges & Flood Control,2007(5):57-59. |
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| Authors: | Shichuan Yimei Chuankou Yusi Tiancun Daozheng |
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| Abstract: | The maximum reason reducing the service life of the bridges is the inferior material caused by the rainwater,road sprinkling and freezing water produced by spraying frostbite preventive agent.The reason reducing the service life of concrete bridge is the rustiness of steel bar and PC steel rod because of water seepage.The rustiness of steel material caused by inferior coating makes the service life of steel bridge reduce.The reason reducing the service life of deck pavement is the pavement loss because of the inferior waterproof layer and deck water accumulation.The article dis- cusses the concrete protective material better than the normal one and the coating series of the wa- terproof materials used in the steel bed of steel bridge. |
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| Keywords: | service life of bridge maintenance management concrete protective material bridge waterproof material |
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