A CRACK BAND MODEL FOR FINITE ELEMENT ANALYSIS OF CONCRETE STRUCTURES. RESEARCH REPORT

A model accounting for fracture processes of concrete both in tension and compression is presented. The model allows for non orthogonal damage directions. The assumption of constant fracture energy dissipation in tensile failure and the introduction of relative crack band area factor, removes dependency of the model on the finite element mesh. A realistic approach is proposed to model strain softening phenomena in compressive failure. An effective method of accounting for relative slip of reinforcement by means of a tension softening element is described. Two nonlinear solution algorithms found useful in numerical analyses performed with the new model are presented. Extensive numerical experiments demonstrate performance of the proposed model (A).

  • Corporate Authors:

    University of Queensland

    Department of Civil Engineering
    Brisbane, Queensland  Australia  4072
  • Authors:
    • Gajer, G
    • DUX, P F
  • Publication Date: 1988-6

Language

  • English

Media Info

  • Pagination: 91 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00606265
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Report/Paper Numbers: CE89
  • Files: ITRD, TRIS
  • Created Date: Mar 31 1991 12:00AM