...参数回归;透水系数;透水性混凝土 [gap=673]Key words:uniform design;non-parametric regression;permeability coefficients;water-permeable concrete ...
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吸水系数 coefficient of water absorption 透水系数 coefficient of water permeability 过量空气系数 coefficient, excess air ..
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... g/㎡以上 膨润土 天然钠基膨润土 4500 g/㎡以上 总重量 4810 g/㎡以上 膨润土物理性能 膨胀系数 ≥20ml/2g 透水系数(K-Vaule) 5.5mm 长×宽 40.0m×5.8m以上 以上为覆膜膨润土防渗毯在工程应用实践经验的总结,为一般施工方法及铺设要求,仅供参考。
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NPRC with 28d compressive strength of 19.03MPa, void volume of 19.29% and 8.3mm/s permeability coefficient was produced by the new method.4.
用这种设计方法研制得到了空隙率达19.29%、透水系数为8.3mm/s、28d抗压强度达19.03MPa的透水性再生混凝土。
参考来源 - 基于活性粉末增强的混凝土再生利用技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
分析表明,承压含水层中地下水水头波幅是上、下弱透水层贮水率和越流系数的减函数,是淤泥层相对透水系数的增函数;
The amplitude of the head fluctuation decreases with the storativity and leakage of both semi-permeable layers and increases with the leakance of the silt-layer.
含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。
The main factors affecting the well yield are the transmissivity and water yield coefficient of the aquifer as well as the permeability coefficient and thickness of the leaky layer.
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