| SPRR支术处治桥面铺装层早期病害 |
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| 引用本文： | 郭小宏.SPRR支术处治桥面铺装层早期病害[J].筑路机械与施工机械化,2011,28(9). |
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| 作者姓名： | 郭小宏 |
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| 作者单位： | 重庆交通大学管理学院,重庆,400074 |
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| 摘 要： | 0引言在中国,人们重视桥梁结构的设计,而对于桥面铺装却没有专门的设计和施工规范,主要借鉴国外经验.由于中国气候、地理条件与国外相差较大,加上国内严重的超载与长时间的持续高温问题,使得桥面铺装工作环境远比国外桥面铺装严酷,从而导致沥青混凝土铺装层的早期破坏较为严重.
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| 关 键 词： | 沥青路面养护 养护剂 针入度 早期病害 软化点 基质沥青 桥面铺装层 改性沥青 老化沥青 沥青老化 |
Treatment of Early Diseases of Deck Pavement with SPRR Technology |
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| Abstract: | pavement surface penetrate rejuvenate restore(SPRR) technology is a preventive maintenance technology which sprays asphalt pavement maintenance agent on road surface or bridge deck by special sprayer when the structure of road or bridge is in good condition.Through a series of chemical and physical reactions between maintenance agent and old asphalt pavement,the old asphalt pavement could be regenerated.In this paper,the right treatment timing of SPRR technology and the penetration mechanism of maintenance ... |
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