以水泥、硅灰石、珍珠岩、粉煤灰等材料,辅以多种外加剂,研制出了28d抗压强度为1.6MPa,导热系数为0.17w/m K的煤矿深井巷道隔热材料,该材料具有较小的体积密度,较好的耐水性和抗干湿循环能力.SEM显微形貌表明,该材料孔隙均匀,实际工程应用结果表明,该材料隔热效果良好.
参考文献
[1] | American Concrete Institute.ACI Standard 318 - 63.Building code requirements for reinforced concrete.Michigan[M].,1963:144. |
[2] | PAUW A .Static modulus of elasticity of concrete as affected by den sity[J].Journal of the American Concrete Institute,1960,57(06):679-687. |
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