| 不同荷载与层间接触条件下沥青路面力学分析 |
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| 引用本文： | 张九香,程箭,陈治雄.不同荷载与层间接触条件下沥青路面力学分析[J].福建工程学院学报,2012(4):307-312. |
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| 作者姓名： | 张九香 程箭 陈治雄 |
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| 作者单位： | 福建工程学院土木工程系;上海市浦东建设工程管理有限公司;福建榕圣市政工程股份有限公司 |
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| 基金项目： | 福建省教育厅项目(JA11183) |
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| 摘 要： | 利用BISAR 3.0程序,分析沪宁高速公路扩建工程的实体路面结构受力情况,得出不同荷载与层间接触条件下,路面结构拉应变、最大剪应力、竖向剪应力、拉应力的分布特征与变化规律,在此基础上,又分析了对路面使用性能的影响。结果表明:超载引起半刚性基层、沥青面层、底基层两个界面层间滑动,进而使整个路面结构受到破坏。
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| 关 键 词： | 沥青路面结构 层间滑动 抗剪强度 BISAR3.0程序 受力分析 |
The mechanical analysis of the pavement cracks under different loads and contact between layers |
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| Zhang Jiuxiang,Cheng Jian,Chen Zhixiong.The mechanical analysis of the pavement cracks under different loads and contact between layers[J].Journal of Fujian University of Technology,2012(4):307-312. |
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| Authors: | Zhang Jiuxiang Cheng Jian Chen Zhixiong |
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| Institution: | 1.Civil Engineering Department,Fujian University of Technology;Fuzhou 350118,China; 2.Shanghai Pudong Construction Project Management Co.,Ltd.,Shanghai 201804,China;3.Fujian Rongshen Municipal Engineering Co.,Ltd.,Fuzhou 350011,China) |
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| Abstract: | The BISAR 3.0 software was adopted to conduct the mechanical analysis of the entity pavement structure of Shanghai-Nanjing highway extension project.The pavement tensile strain,maximum shearing stress,vertical shearing stress and the distribution characteristics and change laws of the tensile stress under different loads and contact conditions were obtained.Their influences on the pavement property were discussed.The results indicate that overloading can cause slipping between semi-rigid substrate and pavement and between pavement and bottom substrate and result in the mechanical destruction of the pavement. |
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| Keywords: | pavement structure slipping between layers anti-shear strength BISAR3 0 software mechanical analysis |
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