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经住房和城乡建设部批准,《粉煤灰混凝土应用技术规范》(GB/T50146-2014)自2015年1月1日起实施。原《粉煤灰混凝土应用技术规范》(GBJ146-90)同时废止。《粉煤灰混凝土应用技术规范》(GB/T50146-2014)是根据原建设部《关于印发(2006年工程建设标准规范制订、修订计划(第一批))的通知》(建标[2006]77号)的要求,由中国水利水电科学研究院会同有关单位在原《粉煤
Approved by the Ministry of Housing and Urban-Rural Development, “Technical Specification for Application of Fly Ash Concrete” (GB / T50146-2014) shall come into force on January 1, 2015. The original “Fly Ash Concrete Application Technical Specification” (GBJ146-90) abolished at the same time. The Technical Specification for Application of Fly Ash Concrete (GB / T50146-2014) is based on the Notice of the Ministry of Construction (the “Notice on Printing and Issuing (Revision of 2006 Construction Standards Specifications, First Batch) 2006” 77) requirements, by the China Water Conservancy and Hydropower Research Institute in conjunction with the relevant units in the original "pulverized coal