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可再分散乳胶粉对钢渣砂砂浆性能的影响
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“十二五”国家科技支撑计划项目(2011BAE14B06，2012BAJ20B02)；2010年政策引导类计划新产品计划项目资助项目(2009GJC00012)；高性能土木工程材料国家重点实验室开放基金资助项目(2011 2012)；国家自然科学基金资助项目(51178339)


Influence of Redispersible Emulsion Powder on Properties of Steel Slag Mortar
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    摘要:

    通过试验，就可再分散乳胶粉（简称“乳胶粉”）掺量对钢渣砂砂浆的流动性、抗压强度、抗折强度、拉伸黏结强度和柔韧性的影响进行了研究.结果表明：随着乳胶粉掺量的增加，钢渣砂砂浆的流动性提高，抗压强度下降，早期抗折强度降低，28d抗折强度提高，拉伸黏结强度大幅增加，柔韧性得到改善.由此可知，对于钢渣砂砂浆，可掺入一定量乳胶粉来提高其抗折强度，改善柔韧性，并大幅增加拉伸黏结强度.

    Abstract:

    The effect of redispersible emulsion powder on the fluidity, compressive strength, flexural strength, tensile bond strength and flexibility of steel slag mortar was investigated. The test results show that flexibility and tensile bond strength of steel slag mortar increase, compressive strength reduces greatly and flexural strength reduces at early age but increases at 28 d with increase of use level of redispersible emulsion powder. In addition, flexibility of steel slag mortar improves a lot with the addition of redispersible emulsion powder. A certain amount of redispersible emulsion powder can be incorporated in steel slag mortar to greatly increase tensile bond strength, enhance flexural strength and improve flexibility.

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孙振平,杨洁,庞敏,赵玉静,康明.可再分散乳胶粉对钢渣砂砂浆性能的影响[J].建筑材料学报,2013,(1):55-59

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  • 收稿日期:2011-09-05
  • 最后修改日期:2012-09-24
  • 在线发布日期: 2013-03-11
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