Tests of reinforced concrete beams : modulus of elasticity for various ages and mixtures . Unit D^/^of?M/rr/o/^ /p^/=z^ir .//V. ^9. . 70 <5i I I I i 9000 Nl Sooo 6000 Sooo 4<2ao 3000 £oao /Ooo . \I. 5i jD£:/^L£:c t/o/v. //V. U. OF 1. S. S. FORM 3 :40 0 o o o o o 70 so.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectco, booksubjecttheses