混凝土抗冻性试验方法及评价指标综述  

Review of Test Methods and Evaluation Indexes for Frost Resistance of Concrete

作　　者：刘俊 Liu Jun

机构地区：[1]三峡大学土木与建筑学院,443002

出　　处：《灾害与防治工程》2018年第1期1-5,共5页Disaster and Control Engineering

摘　　要：选取了国内外主要的混凝土抗冻性试验方法及相应的评价指标并分别作了简要介绍,将主要的试验参数按照冻结速度、冻融介质、冻融介质与试件的接触情况以及抗冻性评价指标的不同进行了划分;将不同试验参数的主要优缺点或适用情况作了分析评述;最后根据目前国内主要的抗冻性试验方法特点结合对不同试验参数的分析,针对不同的工程混凝土给出了建议的抗冻性试验方法。In this paper,the main test methods and corresponding evaluation indexes of concrete frost resistance at home and abroad are selected and briefly introduced respectively.The main test parameters were divided according to the different freeze speed,freezethaw medium,contact between freeze-thaw medium and specimen,and anti-freeze evaluation indexes.The main advantages and disadvantages or application of different test parameters are analyzed and commented.Finally,according to the characteristics of the main anti-freeze test methods in China and the analysis of different test parameters,the proposed anti-freeze test methods are given for different engineering concrete.

关 键 词：混凝土 抗冻性 试验方法 

分 类 号：TU528.062[建筑科学—建筑技术科学]