Abstract:
A COMPOSITE BRIDGE IS DESCRIBED CONSISTING OF LONGITUDINAL STEEL I BEAMS SUPPORTING A REINFORCED-CONCRETE SLAB CONNECTED TO THE BEAMS IN SUCH A MANNER THAT THE BRIDGE ACTS SIMILARLY TO A MONOLITHIC STRUCTURE. THREE SUBJECTS ARE TREATED: (1) THE BEHAVIOR OF COMPOSITE STEEL AND CONCRETE T BEAMS, (2) THE FUNCTION AND ACTION OF THE SHEAR CONNECTION BETWEEN THE CONCRETE SLAB AND THE STEEL I BEAMS, AND (3) THE BEHAVIOR OF COMPOSITE I-BEAM BRIDGES OF BOTH SIMPLE AND CONTINUOUS SPANS. PARTICULAR ATTENTION IS GIVEN TO THE DIFFERENCES BETWEEN COMPOSITE AND NONCOMPOSITE CONSTRUCTION. IT IS SHOWN THAT THE COMPOSITE STRUCTURE IS TOUGHER THAN ITS NONCOMPOSITE COUNTERPART BUT THAT THIS GREATER TOUGHNESS WILL BE REALIZED FULLY ONLY IF THE SHEAR CONNECTION IS CAPABLE OF PROVIDING GOOD INTERACTION BETWEEN THE STEEL BEAMS AND THE CONCRETE SLAB AT ALL STAGES OF LOADING UP TO THE ULTIMATE CAPACITY OF THE STRUCTURE. CRITERIA FOR THE DESIGN OF SUCH COMPOSITE T BEAMS AND THEIR SHEAR CONNECTIONS ARE ALSO DISCUSSED. /AUTHOR/
Supplemental Notes:
Vol 32, pp 161-179, 8 FIG, 18 REF. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
