Chicago : Engineering and Contracting Pub. Co. · leaf 133
onths. In neither case canany effect of aging be noticed. The shrink- n8 ENGINEERING & CONTRACTING Vol. XXXVI. No. 5. age at the end of two years is practicallyidentical in the aged and fresh cement. Changes in Volume of Bars of Neat Ce-ment in Water and Alternately Wet and Dry.—The first four… … ,+ 05I 0005 H 00* - 10 + .05 f. 00 I-.05- 10 r 00o -.05 i-.io Fig. 3—Per Cent Expansion and Contraction of 1:3 Mortar Bars When Alternately Wet and Dry. (Closed circles refer to bars in water and opencircles to bars in air. J same temperature, and then.put back in wateragain. The mills represented…
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