LIMIT ANALYSIS OF DUCTILE FIBER-REINFORCED STRUCTURES

A CONTINUUM THEORY OF PLASTIC BEHAVIOR OF FIBER-REINFORCED MATERIALS, PRESENTED EARLIER IS OUTLINED. THE THEORY, VALID FOR GENERAL STATES OF STRESS, IS BASED ON A MAXIMUM SHEAR STRESS CRITERION AND ACCOUNTS FOR PLASTIC EXTENSIBILITY OF THE FIBERS AS WELL AS PLASTIC FLOW OF THE DUCTILE MATRIX MATERIAL. APPLICATION OF THE GENERAL THEORY, STATED IN TERMS OF APPROPRIATE STRESS RESULTANTS, IS MADE TO REINFORCED BEAMS AND PLATES. YIELD OR INTERACTION SURFACES ARE CONSTRUCTED GIVING THE CRITICAL COMBINATIONS OF GENERALIZED STRESSES UNDER WHICH YIELDING MAY OCCUR. SIGNIFICANT FEATURES OF STRUCTURAL BEHAVIOR, AS PREDICTED BY THE THEORY, ARE BROUGHT OUT BY STUDYING THE CHARACTERISTICS OF THE INTERACTION SURFACES AND BY CONSIDERING SOME SIMPLE APPLICATIONS. ONE OUTSTANDING FEATURE IS HE APPARENT SHEARLIMITED PLASTIC BEHAVIOUR OF STRUCTURES WITH STRONG REINFORCING FIBERS. THE PRESENCE OF STRONG FIBERS IS SHOWN TO INDUCE TRANSVERSE SHEAR FAILURE RATHER THAN BENDING FAILURE INSTRUCTURES COMPOSED OF ISOTROPIC MATERIALS. /ASCE/

  • Availability:
  • Supplemental Notes:
    • Vol 98, No EM1, PROC PAPER 8736, PP 195-209, 9 FIG, 8 REF,
  • Authors:
    • Lance, R H
    • Robinson, D N
  • Publication Date: 1972-2

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Filing Info

  • Accession Number: 00209617
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 10 1972 12:00AM