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《Highway》 2005-11
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Mechanism Analysis of Mechanics of AC Overlays on Old Cement Concrete Pavements

LIU Hai-liang,LUO Xiao-hui,DONG Jun(Dept.of Civil Engineering,Beijing Institute of Architecture and Civil Engineering,Beijing 100044,China)  
A method for improving the carrying capacity and reflection cracks of old cement concrete pavements is to add asphalt concrete overlay on it.Shearing breach which comes from vehicle loads is one of the main reasons for producing reflection cracks of asphalt concrete overlay structure.Aimed at this actual background of project,a numerical modeling analysis of old cement concrete and AC layer is presented by using the finite element method.Shearing and deflection difference of AC layer at the joints are the main consideration,and many other factors(thickness of the cement concrete pavement,thickness of AC,elastic modulus of ground base,etc.) which affect it are analyzed.The results show that it is very important to choose thickness of AC reasonablely for preventing and controlling the generation and diffusion of reflection cracks.
【Fund】: 北京市教委科技项目(2002KJ062)
【CateGory Index】: U418.8
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Lu Zhengyu Zhang Qisen(Highway and Bridge Engineering Department);STRESS ANALYSIS OF THE TONGUE-AND-GROOVE JOINT FOR CEMENT CONCRETE PAVEMENT[J];JOURNAL OF CHANGSHA COMMUNICATIONS UNIVERSITY;1994-03
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Chao Dong (Lu'an Highway Administration,Lu'an 237001,China);Cement Concrete Anti-cracking Reinforcement by Asphalt Concrete Coat[J];Anhui Architecture;2007-04
2 YI Zhi-jian (Department of Bridge & Structure Engineering,Chongqing Jiaotong Uinversity,Chongqing 400074, China);Discussion of the forming mechanism of reflective cracks in pavement from the angle of deformation compatibility[J];Journal of Chongqing Jiaotong University;2003-04
3 LIU Shang-hong~(1,2),ZHANG Peng-min~(1,2)(1.School of Civil Engineering & Architercture,Chongqing Jiaotong University,Chongqing 400074,China;2.New bridge technique research institute,Chongqing Jiaotong University,Chongqing 400074,China);Study on performance of precast glass fiber concrete composite pavement slab under static loading[J];Journal of Chongqing Jiaotong University;2006-S1
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5 Zhu Guoxiang, Lu Liping, Dong Lijun;Analysis of Early Disease in Flexible Deck Pavement[J];Urban Roads Bridges & Flood Control;2007-07
6 GUAN Hong xin, ZHENG Jian long (Changsha Communications University, Changsha 410076, China);The Stress Analysis on a New Overlaying Method on Old Concrete Pavement[J];Journal of Changsha Communications University;2002-01
7 WANG Qiong 1 , CHEN Gang2 ,LI Xiu-ping3 (1.Haerbin institute, Haerbin 150080,China;2 .Heilongjiang institute of seience and technology, Haerbin 150027,China;3. Railroad company of shenshuo ,Yulin 719316,China);Study on the Effects of geotextile used to Manage Reflecting Cracks of road[J];Construction & Design for Project;2005-06
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9 YANG Qun~1,GUO Zhong-yin~1,CHEN Li-ping~2(1.Key Laboratory of Road and Traffic Engineering of the Ministry of Education,Tongji University,Shanghai 200092,China;2.Traffic Plan and Design Academe of Zhejiang Province,Zhejiang Hangzhou 310006,China);Stress Analysis of Compound Pavement in Road Tunnel Considering Level Loads[J];Journal of Highway and Transportation Research and Development;2006-01
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【Co-references】
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1 (Transportation College, Southeast University, Nanjing 210018);Thermal Gradient Analysis of Cement Concrete and Asphalt Concrete Composite Pavement Gu Wenjun Yu Jianrong[J];Journal of Southeast University;1997-03
2 WANG Bing gang (Chang'an University,Xi'an 710064, China);Analysis of Stress in Cement Concrete Pavement with Asphalt Up-Layer[J];Highway;2002-08
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7 WU Ning~1,GE Zhe-sheng~2,HU Ying-de~3,WANG Si-qing~4 (1.Jiangsu Provincial Expressway Management and Administration Center, Nanjing 210000, China; 2.Bureau of Municipal Engineering and Gardening of Guangzhou Municipality, Guangzhou 510010, China; 3.Jiangsu Transportation Institute, Nanjing 210017, China; (4. Anhui) Highway and Harbor Engineering Company, Hefei 230001, China);Mechanical analysis of reflection cracks in the asphalt concrete overlay on the ailing portland cement concrete pavement[J];Journal of Hefei University of Technology(Natural Science);2005-05
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