玻化微珠保温砂浆的配合比优化试验研究.pdfVIP

学兔兔 中国科技核心期刊 杆 建巍 玻化微珠保温砂浆的配合比 优化试验研究 吴文杰 ，张意。，唐强 ，陈远航 ，张智强1 (1．重庆大学 材料科学与工程学院，重庆 400045； 2．重庆建工住宅建设有限公司，重庆 400015) 摘要：采用单因素试验方法，研究了粉煤灰、玻化微珠、羟丙基甲基纤维素醚、聚丙烯纤维对玻化微珠保温砂浆基本性能的影 响。结果表明：粉煤灰等量替代水泥掺量在10％～20％时，保温砂浆28 d干密度降低，抗压强度提高；玻化微珠的掺量在105％一120％ 时，保温砂浆28 d干密度减小，28 d抗压强度提高；羟丙基甲基纤维素醚的掺量在O．50％～0．75％时，虽然使保温砂浆的28 d抗压强 度降低，但提高了保温砂浆的施工性能；聚丙烯纤维的掺量在0．50％～1．25％时，虽然使保温砂浆的密度增大，但同时28 d的抗压强 度提高。 关键词：玻化微珠保温砂浆；单因素试验；抗压强度；干密度 中图分类号：TU57+8．13 文献标识码：A 文章编号：1001—702X(2015)02—0078—03 Study on optimization test of vitrified beads insulation mortar mix WU Wenjie ，ZHANG Yi ，TANG Qiang ，CHEN YuanhangI,ZHAⅣG Zhiqiang (1．College of Materials Science and Engineering，Chongqing University，Chongqing 400045，China： 2．Chongqing Construction Residential Engineering Co．Ltd．，Chongqing 400015，China) Abstract：The effect of fly ash，glass beads，hydroxypmpyl methyl cellulose ethers，and polypropylene fibers on the basic properties of vitrified beads insulation mortar were studied by single factor experiment method．The result turns out that：Equivalent replacement of fly ash cement from 10％ to 20％，reduces the thermal insulation mortar 28 d dry density，improves the therm al insulation mortar 28 d compressive strength．When vitrified beads dosage was between 105％-120％，it reduces the thermal insulation mortar 28 d dry density and improves the thermal insulation mortar 28 d compressive strength．When hydroxypropyl methyl cellulose ethers dosage was between 0．50％ -0．75％ ，it makes t