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THE RESPONSE OF REINFORCED CONCRETE SLABS TO CONCENTRATE LOADING

The aim of this report was to investigate the behaviour of reinforced concrete slabs when subjected to concentrated loading. The investigation was divided into an experimental programme and an analytical phase. In the former, slab specimens instrumented to allow the measurement of reinforcing bar forces and concrete strains at a crack were tested in a laboratory situation, with the boundary conditions of the specimens being the major parameter under scrutiny. Associated simple beam specimens subjected to combined axial and bending loads assisted in the interpretations of the results of the slab testing. The analytical phase was effected using the finite element method. This provided an analytical technique capable of including aspects of realistic reinforced concrete slab behaviour ignored by usual methods of analysis and design. The performance of a particular model able to include the effects of cracking and the associated coupling of bending and inplane displacements was examined, and a series of analysis of slabs similar to the experimental slab specimens carried out. The measured behaviour of the experimental specimens was not reproduced by the theoretical model with any great accuracy, although the predictions were an improvement on those given by usual methods. (TRRL)

  • Corporate Authors:

    University of Auckland

    Department of Civil Engineering, Private Bag
    Auckland 1,   New Zealand 
  • Authors:
    • DICKSON, A R
  • Publication Date: 1986-2

Media Info

  • Features: References;
  • Pagination: 221 p.
  • Serial:
    • Issue Number: 408

Subject/Index Terms

Filing Info

  • Accession Number: 00470630
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD, TRIS
  • Created Date: Aug 31 1988 12:00AM