薄壁大跨度墙板裂缝的预防及处理措施  

Analysis on Origin of the Cracks in Thin-Walled Large-Span Wall and Its Measures

作　　者：李琪[1] 廖秋林[1] 

机构地区：[1]北京城建集团建筑工程总承包部,北京100088

出　　处：《工程质量》2010年第9期70-73,共4页Construction Quality

基　　金：国家科技支撑计划子课题(2008BAJ06B02-2)

摘　　要：江苏省镇江广播电视中心工程地下室外墙在施工初期阶段出现了较多裂缝,针对此问题,结合该工程薄壁长墙的结构特点,以局部混凝土结构前期施工为对象,深入分析了裂缝产生的原因,并分别从设计优化、施工方法、混凝土配合比优化以及施工过程控制等方面,讨论了预防裂缝的措施及灌浆修补处理措施。Aiming at Zhenjiang City, Jiangsu Province Radio and Television Engineering Center in the basement wall in the early stages of construction cracks, thin-walled view of this long wall, take the parts of the concrete structure former construction period as objects, from the design, construction, materials, environment and the management of many aspects of the analysis of the cracks the causes of cracks is analyzed, from the aspects of design optimization, construction method, concrete mix proportion and construction control, on the prevention measures and ways to deal with cracks, and construction is discussed.

关 键 词：薄壁 大跨度 墙板裂缝 原因分析 处理措施 

分 类 号：TU755[建筑科学—建筑技术科学]