. ' ' '.;•' .. ':_'{,;) STUDIES FROM THE SCHOOL OF CIVIL ENGINEERING DIAGONAL CRACKING STRENGTH IN SHEAR OF REINFORCED CONCRETE BEAMS B. V. RANGAN UNICIV REPORT No. R-67 MAY, 1971 UNIVERSITY OF NEW SOUTH WALES, KENSINGTON, N.S.W., AUSTRALIA 2033 ISBN O 85841 007 9