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Statistical quantification of the effect of temperature on capillary water absorption in some porous building materials

机译：统计量化温度对一些多孔建筑材料毛细吸水的影响

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The capillary water absorption coefficient is an important transport property that facilitates a relative assessment of the potential durability of porous building materials. The dependence of this water transport property on temperature has been widely studied, sometimes with conflicting conclusions. This study undertakes a statistical investigation using ANOVA and Fisher's LSD post hoc analysis to determine the contribution of temperature as a factor towards influencing the transport parameter. The analysis uses data harvested from previously published independent sources and that obtained through laboratory experimentation. A total of one-hundred-and-eightynine test samples covering forty-eight materials in the temperature range of 3-80 degrees C were analysed. Results reveal that experimental errors and sample inhomogeneity can mask the effect of temperature leading to incorrect interpretations. An increase in resistance to water absorption concomitant to the reduction of porosity can also outweigh the effect of temperature in cementitious systems. A previously reported model based on the Lucas-Washburn law, with due calibration for a given material, can describe the temperature dependence of the transport parameter.
机译：毛细管吸水系数是重要的运输特性，便于对多孔建筑材料的潜在耐久性的相对评估。这种水运输性质对温度的依赖性已被广泛研究，有时结论得出矛盾。本研究开展了利用ANOVA和FISHER的LSD后HOC分析进行统计调查，以确定温度的贡献作为影响运输参数的因素。分析使用从先前公布的独立来源收获的数据，并通过实验室实验获得。分析了在3-80℃的温度范围内覆盖覆盖48种材料的一百八十八炔内的试样。结果表明，实验误差和样品不均匀性可以掩盖温度的效果导致不正确的解释。抵抗力增加伴随孔隙率的耐受性也可能超过水泥系统中温度的影响。先前报告的基于Lucas-Washburn Law的模型，具有给定材料的校准，可以描述运输参数的温度依赖性。

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