Concrete in the country / [American Cement Company]. (1910)
American Cement Company · Association of American Portland Cement Manufacturers · leaf 32
s adopted by the AmericanSociety for Testing Materials and the American Society of Civil Engineers, Proportions The strength of the slab is not always governed by its thickness. The greaterstrength is obtained by properly proportioning the gravel or crushed stone, sand 29 alld ^ment ^I^d with san,… … Consistency of Concrete Mix the concrete as described on page 15 to a consistency that when tamped,it will not quake, but it should be sufficiently wet so that some moisture will rise tothe surface under tamping. Placing Divide the walk by setting forms at right angles to the side forms. The…
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