石家庄市住宅建设公司构件厂根据报道,采用日本先拌水泥砂浆再投石子的混凝土搅拌工艺,自1980年起,与公司试验室密切配合,先后用先拌水泥浆法和水泥砂浆法做了一百多组试块,除在试验室配比取样外,从生产试块中也取得一些数据,获得初步成果。 Shijiazhuang Housing Construction Co., Ltd. Component Factory reported that it used the concrete mixing technology of cement mortar mixed with stone in Japan before 1980. Since 1980, it has cooperated closely with the company’s laboratory and has successively used cement slurry method and cement mortar method. More than one hundred sets of test blocks, in addition to the sampling ratio in the laboratory, also obtained some data from the production test block, and obtained preliminary results.