乳化沥青冷再生混合料施工和易性评价方法研究  

Research on Evaluation Methods for Construction Workability of Emulsified Asphalt Cold-recycled Mixture

作　　者：王火明[1] 李胜强 徐周聪[1] 郑智能[3] 

机构地区：[1]招商局重庆交通科研设计院有限公司,重庆400067 [2]无锡道瑞德化工科技有限公司,江苏无锡214000 [3]重庆交通大学,重庆400074

出　　处：《公路交通技术》2015年第6期21-26,共6页Technology of Highway and Transport

基　　金：国家山区公路工程技术中心开放式项目(GSGZJ-2014-02);新疆维吾尔自治区科技支疆项目(201491102)

摘　　要：目前国内外乳化沥青冷再生用乳化沥青配方及其施工和易性评价方面还存在不足。针对乳化沥青冷再生混合料拌和过程、卸料及摊铺过程、压实过程开发出相应的试验方法以评价乳化沥青冷再生混合料的施工和易性,并进行混合料早期取芯能力和混合料路用性能的验证。结果表明:施工和易性良好的乳化沥青冷再生混合料更容易取出完整芯样,且混合料各项路用性能更为优异。实体工程验证表明该方法简单易行,可操作性强,对于冷再生工程实践具有较强的指导意义。At present shortcomings still exist in formula of emulsified asphalt used for emulsified asphalt cold recycling and its construction workability. In allusion to mixing process,unloading and paving process and compacting process of emulsified asphalt cold- recycling mixture, this paper develops the corresponding test methods to evaluate construction workability of emulsified asphalt cold- recycling mixture,and verifies early coring capability and road performances of mixture. The results show that complete core samples are easier to extract from emulsified asphalt cold- recycling mixture with perfect constructionworkability,and various road performance of mixture are more excellent. Practical engineering verification shows that the method is simple,practicable and strongly operable,and exhibits strong guiding significance for cold- recycling engineering practice.

关 键 词：道路工程 乳化沥青 冷再生 配方 和易性 

分 类 号：U416.217[交通运输工程—道路与铁道工程]