Cement and how to use it : a working manual of up-to-date practice in the manufacture and testing of cement : the proportioning, mixing, and depositing of concrete, and its application to all forms of concrete construction, plain and reinforced : with special chapters on concreting tools and machinery, waterproofing, working rules, etc. (1910)
Radford, William A., 1865- · Chicago : Radford Architectural Co. · leaf 79
easured volume, not by weight. Thus a concrete designated 1:2:4 does not mean one containing 1 lb. cement to 2 lbs. sand to 4 lbs. of coarser aggregate; but it means a mixture consisting of 1 part or measured volume of ce- ment, twice, as much sand, and four times as much of the coarser aggregate… … Fig. 2. Relative Volumes of the Solid Ingredients in a 1:2:4 Mixture, and of the Resulting Mass of Concrete. of the four parts. Fig. 2 illustrates graphically the relative volumes of the ingredients in a 1:2 ;4 mixture, and of the resulting mass of concrete. In general practice, there is wide…
Cement · Concrete construction
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
