玻化微珠-小麦秸秆双掺保温砂浆试验研究  

Research on vitreous beads-wheat straw insulation mortar

作　　者：张琳[1] 刘福胜[1] 林聪[1] 任淑霞[1] 张顺珂[1] 

机构地区：[1]山东农业大学水利土木工程学院,山东泰安271018

出　　处：《新型建筑材料》2013年第7期29-31,39,共4页New Building Materials

基　　金：住房和城乡建设部2010年科学技术项目计划(2010-K1-27);山东省科技发展计划项目(2012GNC11401)

摘　　要：通过试验,探索小麦秸秆预处理所需要的适宜氢氧化钠溶液浓度及浸泡时间;通过正交试验设计,选取玻化微珠、小麦秸秆、粉煤灰和砂用量等4个影响因素进行正交试验,分析了4个影响因素对保温砂浆干密度、导热系数、抗压强度的影响。结果表明,用浓度为3.5%氢氧化钠溶液浸泡小麦秸秆24 h进行预处理的效果较理想;通过正交试验得出保温砂浆的基础配合比,为进行保温砂浆配合比优化提供数据支持。Through the physical test,appropriate sodium hydroxide solution concentration and soak time required for wheat straw pre-processing was explored,by orthogonal test design, four influencing factors,i.e, glazed hollow beads,wheat straw,fly ash, and sand dosage are selected to conduct orthogonal test,the influence of four factors to the dry density,coefficient of thermal conductivity,and compressive strength of the thermal insulation mortar were analyzed. The results indicate that the pre-proeessing effect of dipping wheat straw in 3.5% sodium hydroxide solution for 24 hours is ideal. The basic proportion of thermal insulation mortar obtained from orthogonal test provides data support for optimization of thermal mortar proportion.

关 键 词：玻化微珠 小麦秸秆 碱处理 保温砂浆 

分 类 号：TU551[建筑科学—建筑技术科学] TQ177.69[化学工程—硅酸盐工业]