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1)  Porous concrete permeable base
多孔混凝土排水基层
2)  porous concrete drainage road base
多孔混凝土透水基层
1.
Serious water damage is brought about by the free seeping water,the porous concrete drainage road base can induce seeping water away from the pavement structure efficiently.
进入路面结构内的自由水会导致道路严重的水损害,多孔混凝土透水基层能迅速的将滞留在路面结构内部的水排出。
3)  porous concrete base
多孔混凝土基层
1.
Stress s numerical analysis of asphalt surface in porous concrete base s transverse contraction joint;
多孔混凝土基层缩缝处沥青面层应力分析
2.
According to one-dimensional heat conduction hypothesis, the thermal field of cement concrete pavement was got and the warping stress of porous concrete base at the top was calculated.
根据一维热传导假设,求解水泥混凝土路面的温度场,计算得出多孔混凝土基层顶面的翘曲应力;求解多孔混凝土基层的胀缩应力,提出基层开裂临界温度差的预估方法以及基层开裂时接缝间距的计算方法;推荐了常见路面结构厚度范围多孔混凝土基层的接缝间距。
3.
In order to analyze thermal stress of porous concrete base for asphalt pavement,three-dimension(3D) finite element model of asphalt pavement with porous concrete base is established by 3D finite element method in the paper.
为分析沥青路面多孔混凝土基层温度应力,建立多孔混凝土基层沥青路面三维有限元模型。
4)  porous cement concrete
多孔水泥混凝土
1.
Fractal features and surface texture parameters of porous cement concrete pavement;
多孔水泥混凝土路面的分形特征与构造参数
2.
The water permeability of porous cement concrete is studied by indoor test.
对多孔水泥混凝土的透水性能、有效孔隙率、孔径大小对渗透系数的影响进行了研究,提出了一系列基于试验的经验公式。
5)  porous pervious concrete
多孔透水混凝土
1.
Effects of some factors such as gradation and particle size of aggregate,mass ratio of aggregate to cement,mass ratio of water to cement,admixtures and mixing process on the properties of porous pervious concrete(PPC) including porosity,permeation coefficient and compressive strength were studied.
研究了若干因素如骨料级配与粒径、骨灰比、水灰比、外加剂及搅拌工艺等对多孔透水混凝土的空隙率、透水系数与抗压强度等性能的影响。
6)  concrete multi-row bore pint-size block
混凝土多排孔小砌块
补充资料:多孔混凝土
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性质:在料浆中均匀分布大量封闭气孔或开口毛细孔隙的混凝土。是轻质混凝土中的一个品种。如加气混凝土、泡沫混凝土、充气混凝土和微孔混凝土。主要由磨细硅质材料加石灰或水泥,经高压、常压或自然养护制得,亦可加石灰成型且碳化而成。高压养护的制品性能较好。多孔混凝土孔隙率高,容重轻,导热系数小。闭孔率越高,气孔尺寸越小,绝热性能越好;开孔率高则有利于吸声。在建筑中应用最广泛的为加气混凝土。

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