为研究高韧性环氧沥青混凝土施工技术,分别进行了高韧性环氧沥青存储稳定性实验和高韧性环氧沥青混凝土施工容留时间、养护及施工条件实验。结果表明,高韧性环氧树脂、固化剂体系和基质沥青分别采用3种不同颜色的密封铁桶常温储存,在施工温度范围内,高韧性环氧沥青混凝土具有较长的容留时间,能满足工程应用需要;相对市场上的同类材料,高韧性环氧沥青混凝土具有非常短的养护时间,降低了养护周期;高韧性环氧沥青混凝土的碾压温度不能低于130℃,否则难以摊铺压实。
In order to research construction technique of high toughness epoxy asphalt concrete,the storage stability,allowable time range,curing and construction conditions of high toughness epoxy asphalt and its concrete were tested.The results showed that high toughness epoxy resin,curing agent and matrix asphalt were stored at room temperature in three different colors of sealed iron drums,respectively.The concrete had longer allowable time range in construction temperature range,which could meet the need of its engineering application.Compared with similar materials,the concrete had a short curing time.The rolling temperature of concrete could not be lower than 130℃,otherwise it would be difficult to pave and compact.
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基金资助
重庆市杰出青年基金(cstc2014jcyjjq30002);国家自然科学基金(51702282);重庆市科技创新领军人才支持计划(CSTCCXLJRC201720)
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