水泥新标准于1980年1月1日全面执行,交通部为宣传贯彻此项标准,曾于去年由标准计量所组织过两期学习班,各省市参加人员大部分是搞混凝土试验研究工作的,为了使从事公路、桥梁工程设计、施工的同志,对水泥新标准也有所了解,从而有助于今后更合理地使用水泥,确保工程质量,特请交通部科学研究院公路所材料室撰写此文(本刊有删节)。 The new cement standard was fully implemented on January 1, 1980. The Ministry of Communications, in order to publicize and implement this standard, organized two study sessions organized by Standard Metrology last year. Most of the participants in various provinces and cities engaged in concrete experimental research, In order to engage in road and bridge engineering design and construction of comrades, cement new standards also have an understanding, which will help the future more rational use of cement to ensure the quality of the project, especially the Highway Branch of the Ministry of Science and Research Materials Room (This issue is abridged).