Research on Application of Spraying Polyurea Elastomers Waterproof Mechanism in Highway Tunnel

doi:10.3969/j.issn.1674-0696.2011.02.09

Abstract

Abstract: Waterproof mechanism, mate rials and techniques spraying waterproofing were studied based on theoretical analysis, indoor and insitutests; a spraying waterproofing technique was obtained with quick solidification, seamless film and betterw aterproofing property, the technique solved problems such as uniformity film on backslope vertical side or vault walls and adhesion of damp surface; it could also help make up for some deficiencies incurrent technology and provide a new technique for highway tunnel waterproofing.

Key words: highway tunnel spraying waterproofing, polyureaela stomers, mechanism

摘要： 通过理论分析、室内试验、现场试验等,对喷射聚脲弹性体防水机理、材料、工艺等进行了研究,获得了从材料、机具到工艺的新型成套喷射聚脲弹性体防水技术。该技术采用超速固化喷射施工方式,具有整体无缝成膜、防水性能优异的特点,解决了在公路隧道背水面垂直边墙、拱顶均匀成膜和潮湿基面黏贴问题,能弥补目前防水技术存在的一些缺陷,为公路隧道防水提供一套全新的技术对策。

关键词: 公路隧道, 喷射防水, 聚脲弹性体, 机理

CLC Number:

U453.6

WU Mengjun , ZHANG Yongxing, LIU Xingrong, LIU Yang. Research on Application of Spraying Polyurea Elastomers Waterproof Mechanism in Highway Tunnel[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(2): 221-224.

吴梦军，张永兴，刘新荣，刘洋. 公路隧道喷射聚脲弹性体防水应用研究[J]. 重庆交通大学学报（自然科学版）, 2011, 30(2): 221-224.

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