本文說明過去所用的砂漿种类多,而不發生聯系,其中水泥砂漿是比較好,但水泥砂漿是有一定的缺點,我們習以為常,認為材料有利必有弊,不以為寄。自從学習了蘇联的混合砂漿的理論,知道水泥砂漿改進了保水性後,不强度和耐久性有所提高,并且對國民经濟有重大意義,因此引起了研究情緒,結合教学,乃展開試驗工作,寻求這联系實際的理論,但我們限於設備(无冰箱和恆温箱)時間很短(僅一学期每週只二小時)只做了一些簡單試驗,工作既不全面,深入更談不到,不過有了一些初步认识,打破了過去的保守思想,以后預備作有系统的來研究這一问题,希望能把它的优點推廣到现场的工作中去。 This article shows that there are many types of mortar used in the past without any connection, of which cement mortar is better, but cement mortar has some disadvantages. We are accustomed to think that materials are good and have no good or bad. Since the study of the Soviet Union’s theory of mixed mortar, cement mortar to improve the water retention, the strength and durability have increased, and of great significance to the national economy, which led to research sentiments, combined with teaching, is to start the test work Seeking this link to practical theory, but we are limited to equipment (no refrigerator and incubator) for a very short time (only two hours per week only a semester) to do only a few simple tests, the work is neither comprehensive, in-depth not to mention, However, with some preliminary understanding, the conservative thinking of the past was broken and the preparatory work was systematically conducted to study this issue in the hope of extending its merits to the work at the scene.