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基于摩尔库仑模型玻璃纤维格栅加强沥青路面二维有限元分析
引用本文:袁谱.基于摩尔库仑模型玻璃纤维格栅加强沥青路面二维有限元分析[J].科学技术与工程,2010,10(19).
作者姓名:袁谱
作者单位:1. 华南理工大学,交通与土木学院,道路研究所,广州 510640
2. 新加坡国立大学,土木工程学院,交通研究中心,新加坡 119260
摘    要:车辙是沥青路面主要的破坏形式之一.过去很多研究表明摩尔库仑模型能够设计沥青混合料和分析在荷载作用下沥青路面行为.因此,基于摩尔库仑模型采用有限元软件模拟评价玻璃纤维格栅应用在沥青层面的性能,考察且评价了玻璃纤维格栅强度,沥青面层厚度和玻璃纤维格栅在沥青面层里的位置对沥青路面的抗车辙能力的影响.

关 键 词:有限元方法  沥青路面  承载能力  车辙  玻璃纤维格栅
收稿时间:3/1/2010 10:00:36 PM
修稿时间:2010/4/26 0:00:00

2D FE Analysis of Flexible Pavement with Geogrid Reinforcement using Mohr-Coulomb model
yuan pu.2D FE Analysis of Flexible Pavement with Geogrid Reinforcement using Mohr-Coulomb model[J].Science Technology and Engineering,2010,10(19).
Authors:yuan pu
Abstract:Rutting is a major distress form found in asphalt pavements. Past research has shown that the Mohr-Coulomb model can be able to be applied for asphalt paving mix design and analyze the behavior of asphalt pavement under load. A series of finite element (FE) simulations are carried out to evaluate the performance of integrating a various modulus geogrid into the asphalt surfacing layer based on the Mohr-Coulomb model. The simulations are conducted under a parametric study to investigate the beneficial effects of geogrid reinforcement to the assistance of rutting, and to determine how much effects are influenced by the tension of geogrid and the thickness of asphalt surfacing layer as well as the placement of geogrid in the asphalt surfacing layer.
Keywords:finite element method  asphalt pavement  bearing capacity  rutting  geogrid
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