Admixtures for concrete, mortar and grout - Test methods - Part 1: Reference concrete and reference mortar for testing
混凝土 砂浆和灌浆的混合物 - 试验方法 - 第1部分:参考混凝土和参考砂浆进行试验
This European Standard specifies the constituent materials, the composition and the mixing method to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with the series EN 934.