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柔性基层改善沥青路面半刚性底基层温度状况分析

Theoretical ananlysis of improved semi-rigid bottom base temperature by flexible base in asphalt pavement

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【Author】 REN Rui-bo~1, ZHONG Dai-hui~2, LI Hai-zhi~3, AN Zhong-yi~4, WANG Zhe-ren~1(1.School of Communications Science and Engineering, Harbin Institute of Technology, Harbin 150090,China, ; 2.Civil Engineering Department, Shandong Institute of Architectural and Civil Engineering, Jinan 250014,China; (3.Company ) of Shandong Communication Engineering, Jinan 250014,China; 4.Neimeng Ningcheng County City Construction (Administration) Department, Ningcheng 024200,China)

【机构】哈尔滨工业大学交通科学与工程学院；山东建筑工程学院土木系；山东省交通工程总公司；内蒙古宁城城市建设管理处；哈尔滨工业大学交通科学与工程学院黑龙江哈尔滨150090；山东济南250014；山东济南250001；内蒙古宁城024200；黑龙江哈尔滨150090；

【摘要】半刚性沥青路面反射裂缝产生的原因之一是半刚性基层温度变化引起的,半刚性基层和沥青面层之间加入柔性基层可有效地防止沥青路面出现反射裂缝,根据传热学原理,采用有限单元法对吉林通化试验路3种路面结构半刚性基层顶部温度状况进行了对比,分析结果表明无论夏季或冬季,柔性基层都能有效地改善沥青路面半刚性基层的温度状况,从而减少或消除沥青路面出现反射裂缝.更多还原

【Abstract】 Reflecting cracks of semi-rigid asphalt pavement is caused by semi-rigid base temperature change. Flexible base between semi-rigid base and asphalt surface could efficiently avoid or reduce reflecting cracks of asphalt pavement. According to heat exchange theory, temperature status of semi-rigid base top in Jilin Tonghua test road which has three kinds of pavement structures was contrasted by applying finite element method. The result indicated that flexible base could efficiently ameliorate temperature status of semi-rigid base of asphalt pavement, therefore could reduce or avoid reflecting cracks of asphalt pavement.更多还原

【关键词】柔性基层；沥青路面；半刚性基层；反射裂缝；热传导；温度场；有限单元法；
【Key words】 flexible base； asphalt pavement； semi-rigid base； reflecting crack； heat exchange； temperature field； finite element method；

【基金】交通部优秀青年专业技术人才专项经费资助项目(95-05-05-10);山东省自然科学基金资助项目(Y2003F01).

【文献出处】哈尔滨工业大学学报 ,Journal of Harbin Institute of Technology , 编辑部邮箱 ,2004年09期
【分类号】U416.01
【被引频次】20
【下载频次】365

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