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《China Concrete and Cement Products》 2012-02
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Properties Experimeilt On Foamed Concrete with Polyvinyl Alcohol Fibre

DENG Jun,HUO Ji-chuan,SONG Yan-hong,CAO Yin,ZHAO Xing,LIU Xu  
Taking ordinary Portland cement as combine agent,the fly ash-cement foamed concrete is prepared with laboratory made protein foaming agent.The effects of polyvinyl alcohol(PVA) fiber with different lengths and contents on the water absorption,compressive and flexural strength,splitting tensile strength and shrinkage rate of foamed concrete with apparent density of 700~800 kg/m3 are investigated.The results show that PVA fiber can significantly enhance the flexural strength of foamed concrete.When the volume rate of 12 mm fiber is 0.23%,the flexural strength at 28 days increases 43.24%,and when the fiber volume rate is 0.08%,the compressive and flexural strength of 6 mm fiber foamed concrete are the highest.
【Fund】: 四川省非金属复合与功能材料重点实验室开放基金(10zxfk11);; 四川省应用基础研究计划(2009TY01450);; 四川省建设厅新型墙体材料专项基金
【CateGory Index】: TU528.2
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