浅析工程结构实体混凝土强度评定的若干技术问题  

Analysis of Some Technical Problems in the Assessment of Compressive Strength of Concrete

作　　者：孟扬[1] 马捷[1] 张乐群[1] MENG Yang;MA Jie;ZHANG Lequn(National Center for Quality Supervision and Test of Building Engineering,Beijing 100013,China)

机构地区：[1]国家建筑工程质量监督检验中心,北京100013

出　　处：《工程质量》2021年第1期47-52,共6页Construction Quality

基　　金：中国建筑科学研究院有限公司科研基金项目(20180112330730042)。

摘　　要：为确保工程结构实体混凝土强度评定结果的可靠性,国家建筑工程质量监督检验中心通过组织开展多轮次的“工程结构实体混凝土强度评定”能力验证项目,了解行业水平、识别技术风险。本文根据项目实践经验,从检测批的划定、芯样强度异常值的判别和处理、检测批推定区间的确定,以及抽样方法、计量抽样检验法、总体修正量法的理解和使用等方面浅析工程结构实体混凝土强度评定的若干技术问题,并给出有关改进建议。In order to ensure the reliability of the assessment of compressive strength of concrete,National Center for Quality Supervision and Test of Building Engineering had organized and carried out many rounds of“Assessment of compressive strength of concrete”proficiency testing project to understand the industry level and identify technical risks.According to the practical experience of that project,this paper analyzes some technical problems in the assessment of compressive strength of concrete from the aspects of the determination of inspection batches,the identification and treatment of abnormal values of core sample strength,the determination of presumed interval of inspection batches,the understanding and use of sampling method,measurement sampling inspection method and the total revised quantity method,and gives some suggestions for improvement.

关 键 词：工程结构实体 混凝土强度评定 能力验证 

分 类 号：TU528[建筑科学—建筑技术科学]