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8篇 您的检索式:作者名="Andrew Collop"
    题名 作者 年代 出处 被引量
1基于三维离散元黏弹性模型的沥青砂单轴压缩数值模拟显示文摘通过建立三维离散元模型对沥青砂单轴压缩试验进行了一系列的数值模拟。沥青砂是由近似大小的圆细砂颗粒和沥青混合而成,是一种理想化的沥青混合料。首先在三维离散元模型中对沥青砂的三维空间结构进行了数字重构,然后引入Burger’s模型模拟沥青的黏弹性质,同时建立以时间和温度为函数的黏结破坏模型模拟沥青砂在单轴压缩过程中的应力-应变曲线,尤其是在应变软化阶段的力学表现。研究结果表明,建立的三维离散元模型对沥青砂在单轴压缩试验中各阶段的应力与应变特性都能进行较好地数值模拟,在细观层面上为进一步分析和预测沥青材料开裂破坏产生和发展的演变过程提供了新的研究手段。吴军伟 白彦峰 Andrew Collop Glenn McDowell 2012公路2012,57,3:3
2Modelling dilation in an idealised asphalt mixture u- sing discrete element modeling显示文摘Collop Andrew C McDowell Glenn R Lee York W 2006Granular Matter2006,8,34:1
3Discrete element modeling of constant strain rate compres- sion tests on idealized asphalt mlxture显示文摘WU Jun-wei COLLOP ANDREW C MCDOWELL GLENN R 2011Journal of Material in Civil Engineering2011,23,1:1
4Effect of bond condition on flexible pavement per- formance 显示文摘Mariana R Kruntcheva Andrew C Collop Nicholas H Thorn 2005Journal of Transportation Engineering2005,131,11:1
5Practical Fatigue Charaeterization of Bituminous Paving Mixtures显示文摘JOHN M READ ANDREW C COLLOP 1997Association of Asphalt Paving Technologisis1997,66,:1
6Properties of asphalt concrete layer interfaces 显示文摘Mariana R Kruntcheva Andrew C Collop Nicholas H Thorn 2006Journal of Materials in Civil Engineering2006,18,3:1
7Linear Rheological Behavior of Bituminous Paving Materials显示文摘Gordon D Airey Behzad Rahirnzadeh Andrew C Collop 2004Journal of Materials in Civil Engineering2004,16,3:1
8Investigation of the Permanent Deformation Characteristics of Overlaid Pavement Incorporating Stress Absorbing Membrane Interlayers显示文摘This study was carried out to evaluate the resistance of overlaid pavement incorporating stress absorbing membrane interlayers to permanent deformation. In this study, the permanent deformation of the interlayer mixtures was determined using the RLAT (repeated load axial text) carried out in the Nottingham Asphalt Tester. Also, a test pavement was constructed in the laboratory to assess the resistance to permanent deformation of overlaid pavement incorporating SAMIs (stress absorbing membrane interlayers). The test pavement was divided into two along the centre line. Each of the divisions has three sections--two having SAMIs and one without SAMIs. The pavement was instrumented and trafficked. Trafficking was stopped when the pavement was deemed to have failed. The results showed that the measured permanent deformation values of the control sections were less than the sections having SAMIs. The increased permanent deformation values indicate that the introduction of SAMIs causes more vertical/horizontal deformation of the pavement. It was also found that the permanent deformation values varied depending on the composition and thickness of the SAMIs.Olumide Moses Ogundipe Nicholas H. Thom Andrew C. Collop 2014Journal of Traffic and Transportation Engineering2014,2,1:0
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