Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 9
xpressed in weeks or months.Water is necessary for the con-tinued hydration of cement. Con-sequently, if the concrete dries outthere is little or no further increase instrength. This shows the importanceof keeping concrete moist for severaldays after it is placed. Tests report-ed in our Bulletin 2,… … y^ge /n Veors rrorn srac/j^ of Ca/jrornia Highway System ty V?-US. Bureau of Pub//c Poods /S20 — ps^e //-; Saturday, July 2, 1921 BUILDING AND ENQINEBRINO NEWS sistance of concrete. A study of a large number of testsmade In the Structural Materials Re-search Laboratory gives the relationsbetween…
Architecture · Building · Construction industry · Engineering
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