拉脱法混凝土测强技术标准形成  

Pulled off method Concrete Strength Technology Standard Formed

作　　者：朱跃武[1] 邱平[1] 李为杜[2] 石永[1] 朱丽颖[1] 

机构地区：[1]建研科技股份有限公司,北京100013 [2]上海同济大学,上海200092

出　　处：《工程质量》2016年第2期21-26,共6页Construction Quality

摘　　要：拉脱法是在已硬化的混凝土结构构件上,钻制直径44 mm、深度44 mm的芯样试件,用具有自动夹紧试件的装置进行拉脱试验,根据芯样试件的拉脱强度值推定混凝土抗压强度的方法,论文对比分析了拉脱法检测技术的特点,并对其技术标准制定前期的基础研究进行介绍。最后得出拉脱法可以用于检测C10～C100混凝土抗压强度的结论。Pulled off method is to drill core samples were 44 mm diameter,depth of 44 mm specimen in the hardened concrete structures,and to do the pulled off test with automatic clamping device of the specimens,then according to the specimen for core samples pulled off presumption of compressive strength of concrete strength value,the paper also made comparative analysis to the characteristic of detecting techniques,and introduced fundamental research on the early stage of the technical standards. Finally it was concluded that pulled off method could be used to detect the C10～C100 concrete compressive strength.

关 键 词：拉脱法 拉脱强度 混凝土抗压强度 芯样直径 钢筋间距 测强曲线 

分 类 号：TU755[建筑科学—建筑技术科学]