| 基于断裂能的沥青路面应力吸收层抗裂性能试验研究 |
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| 引用本文： | 刘燕燕,凌天清,黄中文.基于断裂能的沥青路面应力吸收层抗裂性能试验研究[J].重庆交通大学学报(自然科学版),2012,31(5):966-969. |
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| 作者姓名： | 刘燕燕 凌天清 黄中文 |
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| 作者单位： | 1. 重庆交通大学,土木建筑学院,重庆400074
2. 广西壮族自治区公路管理局,广西南宁,530028 |
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| 摘 要： | 半刚性基层与沥青面层之间铺设应力吸收层是有效解决沥青路面反射裂缝方法之一。通过三点弯曲试验,对比分析SBR(Styrene Butadiene Rubber)改性乳化沥青碎石封层、纤维增强乳化沥青碎石封层、乳化沥青稀浆封层、橡胶沥青碎石封层、纤维橡胶沥青碎石封层等路面封层的复合断裂能、最大弯曲力与最大挠度。试验结果表明:复合断裂能最大的是纤维橡胶沥青碎石封层,其次依次是纤维增强乳化沥青碎石封层、乳化沥青稀浆封层、橡胶沥青碎石封层、SBR改性乳化沥青碎石封层。
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| 关 键 词： | 道路工程 沥青路面 应力吸收层 断裂能 断裂时间 |
Experiment Study on Crack Resistance Performance of Asphalt Pavement Stress-Absorbing Layer Based on Fracture Energy |
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| Liu Yanyan
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Ling Tianqing
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Huang Zhongwen.Experiment Study on Crack Resistance Performance of Asphalt Pavement Stress-Absorbing Layer Based on Fracture Energy[J].Journal of Chongqing Jiaotong University,2012,31(5):966-969. |
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| Authors: | Liu Yanyan Ling Tianqing Huang Zhongwen |
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| Institution: | 1.School of Civil Engineering &Architecture,Chongqing Jiaotong University,Chongqing 400074,China; 2.Highway Management Bureau of Guangxi Chuang Nationality Autonomous Region,Nanning 530028,Gangxi,China) |
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| Abstract: | Between the semi-rigid base and asphalt surface laying stress,absorbing layer is one effective solution to asphalt reflection cracks.Based on three-point bending test,maximum bending force and maximum deflection of SBR(styrene butadiene rubber) modified emulsion asphalt crushed stone seal,fiber reinforce modified emulsion asphalt crushed stone seal,emulsion asphalt slurry seal,rubber asphalt crushed stone seal and fiber rubber asphalt crushed stone seal were analyzed.It was found that fiber asphalt rubber crushed stone seal has the biggest composite fracture energy,then fiber reinforce modified emulsion asphalt crushed stone seal,emulsion asphalt slurry seal,asphalt rubber crushed stone seal,SBR modified emulsion asphalt crushed stone seal followed. |
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| Keywords: | highway engineering asphalt surface stress-absorbing layer fracture energy fracture time |
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