橡胶沥青碎石封层抑制反射裂缝效果研究  被引量:2

Research on the Effect of Rubber Asphalt Chip Seal on the Suppression of Reflection Cracks

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作  者:李俊峰 薛斌 赵钰杭 王名儒 贺思琪 鲁明星 LI Junfeng;XUE Bin;ZHAO Yuhang;WANG Mingru;HE Siqi;LU Mingxing(School of Civil Engineering,University of Science and Technology Liaoning,Anshan 114051,Liaoning,China)

机构地区:[1]辽宁科技大学土木工程学院,辽宁鞍山114051

出  处:《工程技术研究》2023年第23期98-100,共3页Engineering and Technological Research

摘  要:目前,我国广泛采用水泥稳定碎石等半刚性基层作为路面基层,但半刚性基层会受温度、湿度等因素影响产生不同程度的开裂,使沥青面层产生不同程度的裂缝。为抑制路面产生反射裂缝,文章将橡胶沥青碎石封层作为沥青路面结构的一个结构层,并在该橡胶沥青碎石封层上面加铺聚酯玻纤布,将这种新型沥青路面结构应用到试验路段,进行弯沉检测、渗水试验,对钻取芯样进行压实度检测,并对试验路段裂缝情况进行分析,结果表明该新型橡胶沥青碎石封层路面结构抑制反射裂缝的效果较好,有更好的防水效果。Currently,semi-rigid base such as cement stabilized macadam is widely used as pavement base in China,but the semi-rigid base will be affected by factors such as temperature,humidity to produce different degrees of cracking,resulting in varying degrees of cracks in the asphalt surface layer.In order to suppress the reflection cracks on the pavement,the rubber asphalt chip seal is used as a structural layer of the asphalt pavement structure,and the Fiberglass-Polyester Paving Mat is added to the rubber asphalt chip seal.The new type of asphalt pavement structure is applied to the test section for deflection test and water seepage test.The compaction degree of the drilled core sample is tested,and the crack condition of the test section is analyzed.The results show that the new type of rubber asphalt chip seal pavement structure has better effect on the suppression of reflection cracks and has better waterproof effect.

关 键 词:半刚性基层 反射裂缝 橡胶沥青 聚酯玻纤布 

分 类 号:U416.2[交通运输工程—道路与铁道工程]

 

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