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碎石化混凝土路面沥青加铺层结构的数值分析

, PP. 22-27

Keywords: 道路工程,沥青加铺层结构,有限差分,颗粒离散元

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Abstract:

将沥青加铺层及碎石化混凝土视为连续及非连续颗粒介质,分别采用有限差分法与颗粒离散单元法模拟沥青加铺层及碎石结构层的力学行为,并采用耦合的方式,分析碎石化结构层与沥青加铺层对外荷载作用的联合力学响应。在满足边界相容条件与平衡条件的前提下,通过交界面上作用力与节点位移(速度)的传递,模拟了系统的荷载响应过程,并通过某工程实例对计算值和实测值进行了比较。结果表明采用耦合原理计算的路表弯沉最大值与FWD实测结果较为接近,且两者沿径向分布规律相一致。

References

[1]  [D].南京:东南大学,2006.ZHANG Yuhong.Appfieafion on Rubblization of Old Portland Cement Concrete Pavement
[2]  [J].Journal of China and Foreign Highway,2005,25 (5):41-44.
[3]  韦乔彪,公平.旧路面破碎稳固后沥青加铺层受力特性分析
[4]  [J].Conmmunications Science and Technology Heilongjiang,2007,155 (1):9-10.
[5]  王泳嘉,刑纪波.离散单元法同拉格朗日元及其在岩土力学中的应用
[6]  [J].Central South Highway Engineering,2007,32 (2):19-22.
[7]  黄晚清.SMA粗集料骨架结构的细观力学模型研究
[8]  [D].成都:西南交通大学,2007.HUANG Wanqing.Study on Mesomechanieal Model of Coarse Aggregate Skeleton of Stone Matrix Asphalt
[9]  [D].Chengdu:Southwest Jiaotong University,2007.
[10]  Itasca Consulting Group Inc.FLAC2D User's Manual Version 5.0
[11]  陈虬,许廷兴.动态响应分析的有限元一边界元耦合迭代法
[12]  [J].西南交通大学学报,1984,74(4):51-65.CHEN Qiu,XU Tingxing.Dynamic Response Analysis by the Coupled Iteration of Finite-boundary Element Method
[13]  张玉宏,李昶,王松根,等.碎石化后沥青加铺层应力对比分析
[14]  [J].公路交通科技,2006,23(3):1-5.ZHANG Yuhong,LI Chang,WANG Songgen,et al.Stress Comparison Analysis of Asphalt Overlay on Rubblized PCC Slab
[15]  [J].Journal of Highway and Transportion Research and Development,2006,23 (3):1-5.
[16]  张玉宏.水泥混凝土路面碎石化综合技术研究
[17]  [D].Nanjing:Southeast University,2006.
[18]  侯利国,洪秀敏,马建青,等.碎石化技术在旧水泥路面改造加铺沥青路面中的应用
[19]  [J].中外公路,2005,25(5):41-44.HOU Ligno,HONG Xiumin,MA Jianqing,et al.Application of Rubblizafion Technology on Reconstruction Project of Old Cement Concrete Pavement
[20]  [J].黑龙江交通科技,2007,155(1):9-10.WEI Qiaobiao,GONG Ping.Mechanical Behavior of Overlay on Old Portland Cement Concrete Pavement
[21]  CUNDALL P A,STRACK O D L.A Discrete Numerical Model for Granular Assembhes
[22]  [J].Geotechnique,1979,29 (1):47-65.
[23]  [J].岩土力学,1995,16(2):1-14.WANG Yongjia,XING Jibo.Discrete Element Method and Lagrangian Element Method and Their Application in Geomechanics
[24]  [J].Rock and Soil Mechanics,1995,16 (2):1-14.
[25]  黄晚清,陆阳,何昌轩,等.基于离散单元法的沥青混合料研究初探
[26]  [J].中南公路工程,2007,32(2):19-22.HUANG Wanqing,LIU Yang,HE Changxuan,et al.Research on Asphalt Mixture Based on Discrete Element Method
[27]  [M].Minneapolis,Minnesota:Itaca Consulfing Group Inc.,2005.
[28]  [J].Journal of Southwest Jiaotong University,1989,74 (4):51-56.

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