| 新型长寿命填缝料的开发研究 |
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| 引用本文： | 张东长,龙丽琴,刘茂光.新型长寿命填缝料的开发研究[J].公路交通技术,2009(6):52-55. |
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| 作者姓名： | 张东长 龙丽琴 刘茂光 |
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| 作者单位： | 招商局重庆交通科研设计院有限公司,重庆,400067 |
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| 摘 要： | 填缝料失效是导致水泥混凝土路面板破坏的主要原因。目前常用的填缝料使用寿命一般为1～3年，最长也只有5年，因此在混凝土路面的寿命周期内要多次更换填缝料：介绍一种新型长寿命填缝材料，其与混凝土路面寿命相同，用于高速公路可达30年。
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| 关 键 词： | 新型 有机硅 长寿命 填缝料 |
Development and Research of New-type Long-life Joint Fillers |
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| ZHANG Dongchang,LONG Liqin,LIU Maoguang.Development and Research of New-type Long-life Joint Fillers[J].Technology of Highway and Transport,2009(6):52-55. |
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| Authors: | ZHANG Dongchang LONG Liqin LIU Maoguang |
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| Institution: | ZHANG Dongchang, LONG Liqin, LIU Maoguang |
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| Abstract: | Invalidation of joint fillers is a major cause for destruction of cement-concrete pavement slabs. At present the service lifetime of common joint fillers is in generally 1 -3 years, and maximally 5 years only, therefore, the joint fillers should be replaced for many times within the lifetime period of concrete pavement. This paper introduces a new-type joint filler with the same lifetime as that of concrete pavement up to 30 years when used for expressways. |
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| Keywords: | new-type organic silicon long lifetime joint filler |
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