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采用陶瓷砖抛光泥作为硅质组分,研究其掺量对陶瓷砖抛光泥蒸压加气混凝土砌块性能的影响,通过浆体发气曲线研究了陶瓷砖抛光泥掺量对浆体体积稳定性的影响,利用抗压强度、干密度、干燥收缩值和导热系数对其主要物理性能进行了评定,采用SEM测试手段,研究了蒸压加气混凝土砌块的微观结构。结果表明:当陶瓷砖抛光泥掺量为60%~72%时,浆体的体积稳定性较好;蒸压加气混凝土砌块的抗压强度为3.6MPa~4.2MPa,干密度为466kg/m3~512kg/m3,干燥收缩值0.31mm/m~0.35mm/m,导热系数为0.095W/(m·K)~0.110W/(m·K);制品为C-S-H凝胶、托贝莫来石和水化石榴子石晶体等水化产物互相交织形成空间网络结构。
The effect of ceramic dosage on the properties of ceramic brick masonry autoclaved aerated concrete block was studied by using the ceramic mud as the siliceous component. The effect of ceramic masonry mud volume on the volume stability The main physical properties were evaluated by compressive strength, dry density, drying shrinkage and thermal conductivity. The microstructure of autoclaved aerated concrete block was studied by means of SEM test. The results show that the volume stability of the slurry is good when the content of the polished mud is 60% ~ 72%. The compressive strength of the autoclaved aerated concrete block is 3.6MPa ~ 4.2MPa, the dry density is 466kg / m3 ~ 512kg / m3, the drying shrinkage is 0.31mm / m ~ 0.35mm / m, the thermal conductivity is 0.095W / (m · K) ~ 0.110W / (m · K); the product is CSH gel, Hydrocarbons such as stone and hydrated garnet crystals interweave with each other to form a spatial network structure.