| 京沪高铁桥面喷涂聚脲防水层施工体会 |
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| 引用本文： | 邓汉鹏. 京沪高铁桥面喷涂聚脲防水层施工体会[J]. 中国建筑防水, 2011, 0(8): 1-3,14 |
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| 作者姓名： | 邓汉鹏 |
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| 作者单位： | 广州珀化工股份有限公司,广东,广州,221008 |
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| 摘 要： | 基于京沪高铁桥面喷涂聚脲防水层施工的实践经验,探讨了基面处理、聚脲喷涂施工、冬季施工、二期施工等问题。认为采用抛丸技术处理基面利远大于弊,但应注意设备合理选型;采用国内现有自动喷涂技术虽施工效率大大提高,但还存在很多问题;解决聚脲防水层鼓泡问题,应从判断鼓泡类型、分析产生原因着手,采取针对性的解决方法;保温棚等冬施措施虽发挥了作用,但冬季施工质量不稳定问题尚待从根本上解决;底座板以下及底座板之间部位施工宜一次成型,以减少搭接,从而使聚脲防水层承受的风险相应减小。
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| 关 键 词： | 京沪高铁 混凝土桥梁 桥面防水 聚脲 基面处理 自动喷涂车 鼓泡 冬季施工 二期施工 |
Execution of Spray Polyurea Waterproofing Course of Bridge Decks of Beijing-Shanghai High-speed Railway |
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| Deng Hanpeng. Execution of Spray Polyurea Waterproofing Course of Bridge Decks of Beijing-Shanghai High-speed Railway[J]. China Building Waterproofing, 2011, 0(8): 1-3,14 |
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| Authors: | Deng Hanpeng |
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| Affiliation: | Deng Hanpeng(Guangzhou Supe Chemical Co.,Ltd.,Guangzhou,Guangdong 221008,China) |
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| Abstract: | Based on experience from execution of spray polyurea waterproofing course of bridge decks of Beijing-Shanghai high-speed railway,the article discusses issues in spray polyurea waterproofing such as substrate treatment,spraying polyurea,winter application and phase two construction.It makes following useful points: substrate treatment by shot-blast technique has far more gains than losses providing proper equipment is selected;auto-spraying technique available in China can significantly increase working effi... |
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| Keywords: | Beijing-Shanghai high speed railway concrete bridge bridge deck waterproofing polyurea substrate treatment auto-spraying machine blistering winter application phase two construction |
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