玻化微珠保温砂浆外墙外保温饰面砖系统黏结强度研究  

Study on bond strength of external thermal insulation tile system with glazed hollow beads thermal insulation mortar

作　　者：霍英涛[1] 牛志荣[2] 熊厚仁[2] 李珠[1] 

机构地区：[1]太原理工大学建筑与土木工程学院,山西太原030024 [2]嘉兴学院建筑工程学院,浙江嘉兴314001

出　　处：《混凝土》2016年第9期111-113,共3页Concrete

基　　金：国家自然科学基金项目(51308371);山西省自然科学基金项目(2014011033-1)

摘　　要：对于外墙外保温系统而言,黏结强度是安全性评价的重要指标。为研究玻化微珠保温砂浆外墙外保温饰面砖系统的安全性,对其在耐候性试验中不同阶段的黏结强度进行了测试,得出了黏结强度的变化趋势。试验结果表明:随着热雨循环和热冷循环的增加,饰面砖的黏结强度和保温砂浆与抗裂砂浆的黏结强度逐渐减小;在保证施工质量的前提下,饰面砖的黏结强度在经过耐候试验后能够满足规范要求,大于0.4 MPa;玻化微珠保温砂浆与抹面层的黏结强度能够满足规范要求,大于0.2 MPa,且破坏面位于保温层。The bond strength is important index for safety evaluation for external thermal insulation system.The different stages of bond strength were tested,and the changing trend of the bond strength is obtained to study the safety factor of external thermal insulation tile system with glazed hollow beads thermal insulation mortar.Test result shows that the bond strength of tile decreases with the increasing number of hot-rain cycle and hot-cold cycle.The bond strength of tile could meet the specification requirements after weathering test,which exceed 0.4 MPa.The bond strength between glazed hollow beads thermal insulation mortar and rendering coat could meet the specification requirements after weathering test,which exceed 0.2 MPa,and damaged in thermal insulation layer.

关 键 词：外墙外保温系统 黏结强度 玻化微珠保温砂浆 耐候试验 

分 类 号：TU528.7[建筑科学—建筑技术科学]