Denne standard er sponsoreret af Building Materials Research Institute, China Architectural Research Institute, Suzhou Concrete and Cement Products Research Institute, Shanghai Building Research Institute, Railway Research Institute, Nanjing Water Conservancy Research Institute, Water Science and Hydropower Research Institute, Yangtze River Academy of Sciences, Institute of Metallurgical and Construction Sciences, Tongji University og Tsinghua University var ansvarlige for udarbejdelsen.
De vigtigste udarbejdere af denne standard er Huang Daneng, Wu Zhaoqi og Chen Jinchuan.
Yderligere instruktioner til betonblandinger
May 02, 2024
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