纵观建国后五部筑炉规范(工业炉砌筑工程施工及验收规范),发现其中关于耐火砌体按砖缝厚度划分类别的规定,从第一部规范起一直保留沿用到现在(见1956年规范第40条、1987年规范第2.2.1条)。但这一规定,并没有对筑炉工程施工或验收,起到实际指导作用。不仅如此,规范列入这一条目后,反而与规范中的有关内容发生概念上的 Throughout the five founding furnaces after the founding of China's Code of Practice (industrial furnace masonry construction and acceptance of norms), found that the refractory masonry according to the thickness of brick classification classification requirements, from the first specification has been retained until now (see 1956 Article 40 of the Year Specification, Article 2.2.1 of the 1987 Rules). However, this provision does not have a practical guiding role in the construction or acceptance of the construction of a furnace. Not only that, the norms included in this entry, but with the contents of the norms on the concept of