Tests of reinforced concrete beams : modulus of elasticity for various ages and mixtures . i Beam No. / - 2 f^ixTor^ By Yo/ume By yYei^hT . /^cyixf*^urn /odd 2. 9OO /oound^. /^ethot:^ f^i/ut-e .... •3loy^/y cfia^o^^/ Tension , then cr-c/sh/n^ on crack firjT appearec/ ^/ / o^^d of 2SOO pounds^.. Be-arn No. / -^.30 Mixture By volume By weight/\^e 17 idi:^y^. Pia^ Inn urn load 7 SOO pounds. Method of f <^ ff ur e ., .., O/a^on^^/ te/iy^/a/? f^llare cr^ok t/r^f clpp<^^ared <:4 f lcidof 7000 poantdsS .

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