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应力吸收层沥青混合料的试验研究 被引量:11

Experimental Research on Asphalt Mixture for Stress Absorbing Membrane Interlayer
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摘要 为研究沥青性能对应力吸收层沥青混合料路用性能的影响,通过室内试验测定了齐鲁70#道路石油沥青、复合改性沥青、橡胶沥青这3种沥青的技术指标,对设计的应力吸收层沥青混合料进行了高低温性能、水稳定性和疲劳性能评价,并得到了相应的动态模量主曲线和相位角主曲线.结果表明,复合改性沥青和橡胶沥青用于应力吸收层具有良好的路用性能和力学性能,建议在实际应用中结合经济因素选用. To evaluate the influence of asphalt types on performance of stress absorbing membrane interlay er(SAMI), properties of three asphalt materials were studied in the laboratory, which were Qilu 70^# petroleum asphalt for road, composite modified asphalt(CMA) and rubber asphalt(RA). Then a sand antifracture(SAF) mixture was designed as a special mixture-type interlayer to enhance the fracture resistance of the hot mix asphalt overlay, and performance of SAF mixtures were evaluated by lab experiments. Resuits show that CMA and RA have good technical properties, so these two kinds of asphalt could be selected in engineering project considering economic factors.
出处 《建筑材料学报》 EI CAS CSCD 北大核心 2012年第4期570-574,共5页 Journal of Building Materials
基金 山东省自然科学基金资助项目(ZR2011EEQ008) 山东建筑大学博士基金资助项目(XNBS0904)
关键词 应力吸收层 反射裂缝 复合改性沥青 橡胶沥青 砂粒式沥青混合料 stress absorbing membrane interlayer(SAMI) reflective cracking composite modified asphalt(CMA) rubber asphalt(RA) sand anti-fracture(SAF) mixture
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参考文献11

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二级参考文献21

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