Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 310
crete, itrequires probably the least discussion,as all the standard brands of PortlandCement on the market today conformto generally accepted specificationsand the laboratory investigations havebrought out no essential changes inthese specifications. As stated above the aggregate hasalways been… … GENKR-\I, The study of concrete may be con-veniently divided Into three phases: 1. The study of the characteristicsof the ijigredients. 2. The study of the effect of making various combinations of these in-gredients. 3. The study of the effect of thevarious manipulations of the ingredi-ents In…
Architecture · Building · Construction industry · Engineering
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