CONSTITUTIVE BEHAVIOUR OF QUASI-BRITTLE MATERIALS WITH ANISOTROPIC FRICTION

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ANTONIO GESUALDO
MICHELINA MONACO

Abstract

THIS PAPER PRESENTS AN APPROACH TO A CONSTITUTIVE MODEL FOR ANISOTROPIC QUASI-BRITTLE MATERIALS, DEVELOPED IN THE FRAMEWORK OF RATE INDEPENDENT SOFTENING PLASTICITY, INVOLVING A YIELD CRITERION IN WHICH AN ANISOTROPIC FRICTION TENSOR IS INVOLVED. IT TURNS OUT TO BE USEFUL FOR MATERIALS CHARACTERIZED BY ULTIMATE BEHAVIOUR WHICH VARIES ACCORDING TO THE DIRECTION, SUCH AS COMPOSITE MATERIALS, ANISOTROPIC ROCKS, TEXTILES, MASONRY. A GEOMETRICAL REPRESENTATION OF THE LIMIT DOMAIN IN THE CASE OF PLANE STRESS, TOGETHER WITH THE RESULTS OF LABORATORY TESTS IS PRESENTED AND DISCUSSED.

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Author Biographies

ANTONIO GESUALDO, DEPARTMENT OF STRUCTURES FOR ENGINEERING AND ARCHITECTURE - UNIVERSITY OF NAPLES "FEDERICO II" - NAPLES, ITALY

ASSISTANT PROFESSOR - DEPARTMENT OF STRUCTURES FOR ENGINEERING AND ARCHITECTURE - UNIVERSITY OF NAPLES "FEDERICO II" - NAPLES, ITALY

MICHELINA MONACO, DEPARTMENT OF ARCHITECTURE AND INDUSTRIAL DESIGN €œL. VANVITELLI€, SECOND UNIVERSITY OF NAPLES, 81031 AVERSA (CE)

ASSISTANT PROFESSOR - DEPARTMENT OF ARCHITECTURE AND INDUSTRIAL DESIGN “L. VANVITELLI”, SECOND UNIVERSITY OF NAPLES, 81031 AVERSA (CE)