Tests of reinforced concrete beams : modulus of elasticity for various ages and mixtures . 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 .. 3e^nn No. 33/.J /^/xTur-e By i^a/ume / ^ - ^ 8y t^e/^hr / - ^-^.0^ /^^e / cpfc^iy^. M/^^J/nann Joc^c^. 7 T SO pounces. Me od of i^^//ure D /ctgona/ -t en^/on A/o hciir ct^t^cK )/^os notjcec^ wher-e

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