聚丙烯纤维对碱激发矿渣－粉煤灰泡沫混凝土的性能影响研究

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中图分类号：TU528.572 文献标志码：A 文章编号：2095-2945（2025）34-0064-04

Abstract：Tooptimizethecomprehensivepropertiesofalkali-activatedslag-flyashfoamconcrete，sampleswithdierent fibercontentweredesignedandpreparedinthisstudy.Theinfluenceofpolypropylenefibercontentonthecompresivestrength， waterabsorptionandthermalconductivityofalkali-activatedslag-flyashfoamconcretewasstudiedthroughexperiments. Experimental studieshaveshownthataddingappropriateamountsof polypropylenefibercanimprovethemechanicalproperties， penetrationresistanceandthermalinsulationpropertiesofalkali-activatedfoamconcreteWiththeincreaseof polypropylenefiber content，itscompressvestrengthfistincreasesandthendecreases，anditswaterabsorptionandthermalconductivityboth decrease first and then increase.When the fiber content is 1% ，the28-day compressive strength reaches the maximum value of 7.68 MPA，and the water absorption drops to the minimum value of 16.9% .When the fiber content is 0.5% ，the minimum thermal conductivity is 0.1051W/（m·K）.

Keywords：foamedconcrete;compresive strength;waterabsorption;thermal conductivity;polypropylene fiber

泡沫混凝土因其轻质保温、吸声抗震等优点在建筑行业中被广泛应用，但传统泡沫混凝土制备过程中水泥生产带来了高能耗、高污染，过度开采天然河砂也加剧了不可再生资源的消耗。（剩余4515字）