根据国家计委“计标发[19853第46号文”的通知,《工业与民用建筑工程地质勘察规范》(TJ21-77自1986年起开始修订。目前修订组已着手工作,初步确定修订的主要内容有:①修改岩土的工程分类定名及承载力、环境水对混凝土侵蚀性的判定方法与标准;②补充工程地质勘察的基本要求、测绘、勘探与测 According to the notice issued by the State Development Planning Commission and the “Government Labeling Standard [19853 No. 46], “Code for the Geological Survey of Industrial and Civil Construction Engineering Geology” (TJ21-77 has been revised since 1986. The current revision group has started work and preliminary determination The main contents of the revision are: 1 revision of the name and bearing capacity of engineering classification of rock and soil, determination method and standard of environmental water on the erosion of concrete; 2 basic requirements for supplementary geological survey of engineering, surveying, surveying and surveying