Dynamic Numerical Analysis of Antimoisture-Damage Mechanism of Permeable Pavement Base
Dynamic Numerical Analysis of Antimoisture-Damage Mechanism of Permeable Pavement Base
复制标题
透水路面基层抗湿破坏机理的动态数值分析
DOI：
10.1061/(asce)gm.1943-5622.0000030
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发表时间：
2010-12
期刊：
影响因子：
--
通讯作者：
Cui Xinzhuang
中科院分区：
文献类型：
--
作者：
Cui Xinzhuang
大粒径透水性沥青混合料作为路面的透水性基层材料，在中国地区得到了广泛的应用，以减轻沥青路面的水损害。然而，透水性基层抑制水损害的动力学机理尚不清楚。采用有限差分程序FLAC3D，对含LSPM基层的饱和路面进行了以沥青混合料为多孔介质的流固动力耦合分析。数值结果表明，路面正负动孔压随车轮荷载的接近和离开而交替变化。证明了移动荷载作用下路面存在抽水和吸水现象。路面内流体的流动可视为层流流动。由于LSPM的渗透系数较大，LSPM基层的存在大大降低了面层的动孔压和冲刷力。地点是……
As a permeable base material of pavement, the large stone porous asphalt mixture (LSPM) is used widely in China to lessen the moisture damage of the asphalt pavement. However, the dynamics mechanism of the inhibitory effect of permeable base on moisture damage is not clear yet. The dynamic fluid-solid coupling analysis of the saturated pavement with LSPM base course, considering the asphalt mixtures as the porous medium, was performed using the finite difference numerical code FLAC3D. Numerical results revealed that the positive and negative dynamic pore pressure alternated in the pavement with the approaching and leaving of the wheel loads. The phenomenon of water pumping out of and sucking into the pavement under the moving loads was proved. The flow of fluid in pavement can be regarded as the laminar flow. The presence of the LSPM base course greatly decreased the dynamic pore pressure and the scouring force in the surface course because of the large permeability coefficient of the LSPM. The location o...
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DOI：
10.1002/nag.389
发表时间：
2004-11
影响因子：
4
作者：
A. Al-Omari;E. Masad
通讯作者：
A. Al-Omari;E. Masad
DOI：
10.1061/(asce)0899-1561(2004)16:5(487
发表时间：
2004-09-01
影响因子：
3.2
作者：
Masad, E;Birgisson, B;Cooley, A
通讯作者：
Cooley, A
DOI：
10.1016/j.ijsolstr.2007.12.017
发表时间：
2008-05
影响因子：
3.6
作者：
N. Kringos;A. Scarpas
通讯作者：
N. Kringos;A. Scarpas
影响因子：
1.7
作者：
P. Kandhal
通讯作者：
P. Kandhal
影响因子：
3.8
作者：
R. Mallick;Robert Pelland ∥;Frederick Hugo #
通讯作者：
R. Mallick;Robert Pelland ∥;Frederick Hugo #