在本学报第二卷第四期吴中偉工程师提出了“混凝土配合比简易設計法”一篇論文,文中主要的論据之一是根据粗細集料混合空隙率决定混凝土漿(即混凝土混合物)需要的水泥漿量,再加适当的补充水泥漿量以润湿集料表面,从而在水泥漿填滿集料空隙的前提条件下,决定混凝土的配合成分比例,並提出砂石混合空隙率(a) In the second issue of the second volume of this journal, Wu Zhongwei engineer proposed a paper “Simple Design Method for Concrete Mixture Ratio”. One of the main arguments in the paper is to determine the concrete slurry (ie, concrete mixture) according to the mixed porosity of coarse aggregates. The amount of cement slurry, together with the appropriate amount of additional cement slurry, wets the surface of the aggregate so that the proportion of the components of the concrete is determined under the premise that the cement slurry fills the gap of the aggregate, and the void volume of the aggregate is proposed (a).