玻化微珠保温砂浆的制备方法及影响因素研究.pdfVIP

学兔兔 全国中文核心期刊 斩癯建蟓 中国科技核心期刊 玻化微珠保温砂浆的索Ij备方法及 影晌因素研究 陈雪梅，刘元正，钟华，李涛 (潍坊德霖建材科技有限公司，山东 潍坊 262499) 摘要：利用低密度的玻化微珠制备保温砂浆，探讨了其制备方法以及原材料对砂浆性能的影响。试验结果表明：保温砂浆的堆 积密度与干密度决定了砂浆中玻化微珠与粉料的比例，而搅拌过程中玻化微珠的破碎率与用水量相关；引气剂的加入可进一步降 低砂浆的干密度；可冉分散乳胶粉、纤维素醚、聚丙烯纤维、木质素纤维的加入会影响砂浆的干密度和抗压强度，但能够提高砂浆的 ll_作忡、粘结强度以及抗裂性。 关键词：玻化微珠；保温砂浆；抗压强度；T密度；粘结强度 中图分类号：TU55 1 文献标识号：A 文章编号：1001—702X(2015)l1—0062—03 Preparation and influence of vitrified microsphere insulation mortar CHEN Xueme ，LIU Yuanzheng，ZHONG Hua，LI Tao (Weifang Deli Building Materials of Science and Technology Company Limited，Weifang 262499，Shandong，China) Abstract：Vitrified microsphere with low density was used to prepare insulation mortar．The preparation method and effect of raw materials on the performance of insulation nlortar was studied．The results indicated that the proportion of vitrified microsphere with powder was depended()n the pack density and dry density of insulation mortar，the broken rate of vitrified microsphere is re— lated with water content，the air entraining agent earl further reduce the dry density of mortar，the redispensible powder，cellulose ether，polypropylene fiber and lignin fiber have an influence on the dry density and compressive strength of mortar but the worka— hility，adhesive strength and crack resistance of mortar would be improved． Key words：vitrified mierosphere，insulation mortar，compressive strength，dry density，adhesive strength 随着生产力的飞速发展和各国工业化进程的不断加快， 来愈受到大家的关注，各地也纷纷出台政策，强制执行节能建 能源消耗量越来越高，世界能源需求量以每年2％的比率增 筑标准。在建筑节能的实施过程中，已经有大量的围护结构保