几种典型混凝土结构裂缝缺陷诊治技术  

Diagnosis and treatment techniques of several cracks in concrete structure

作　　者：徐福泉[1] 关建光[1] 杜德杰[1] 

机构地区：[1]中国建筑科学研究院建研科技股份有限公司,北京100013

出　　处：《建筑结构》2011年第11期152-154,140,共4页Building Structure

摘　　要：近年来,很多混凝土结构在建设阶段和使用过程中出现了不同程度、不同形式的裂缝。混凝土结构裂缝的成因复杂,影响因素多。通过具体工程实例,讨论了混凝土外墙内保温建筑的楼板裂缝及墙体裂缝、框架主梁混凝土收缩裂缝、楼板的沉降和干缩裂缝等各种典型裂缝的特点、成因分析和修补方案等。Recently,many concrete structures have appeared cracks of different degrees and different forms at construction and using stage.The cracks causes are complex,and also have many influencing factors.Through several practical engineerings,the characteristics,causes and mending options of typical cracks are discussed,such as floor crack and wall crack in buildings with internal heat preservation in external walls,concrete shrinkage crack in beam in frame,settlement crack and shrinkage crack of floor slab.

关 键 词：外墙内保温 温度裂缝 沉降裂缝 收缩裂缝 

分 类 号：TU317.9[建筑科学—结构工程] TU375.04