摘要
通过采用物理法制备400级水泥基泡沫混凝土,并研究不同纤维及不同纤维掺量对泡沫混凝土力学性能、导热系数、干燥收缩的影响。结果表明:纤维的掺入可有效地提升泡沫混凝土的力学性能,改善泡沫混凝土的干缩性能。其中,聚丙烯纤维与玄武岩纤维的掺入,可使泡沫混凝土的导热系数降低,耐碱玻璃纤维的掺入不利于泡沫混凝土的热工性能。
Grade 400 cement-based foamed concrete was prepared by physical method, and the effects of different fibers and fiber content on mechanical properties, thermal conductivity and dry shrinkage were studied. The results show that adding fiber can effectively improve the mechanical properties of foamed concrete and the dry shrinkage properties of foamed concrete. The addition of polypropylene fiber and basalt fiber can reduce the thermal conductivity of foamed concrete, and alkali resistant glass fiber is not conducive to the thermal performance of foamed concrete.
引文
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