1.前言近来,围绕结构物中混凝土质量可靠性的一系列问题,引起人们颇大的关注。目前在有关学会和协会内,设置了研究委员会,从事有关混凝土的早期测定法,结构物混凝土强度确定法和混凝土非破损试验法等资料的收集、分析和调研工作,从各个方面对这一问题进行了研究。 1. Introduction Recently, a series of problems surrounding the reliability of concrete in structures have attracted considerable attention. At present, in the relevant associations and associations, research committees are set up to engage in the collection, analysis, and research of early determination methods for concrete, structural concrete strength determination methods, and concrete non-destruction testing methods, from various aspects on this issue. Were studied.