EXPERIMENTAL ANALYSIS OF THE EFFICIENCY OF STEEL FIBERS ON SHEAR STRENGTH OF BEAMS

  • LANA DANIELE DOS SANTOS GOMES Instituto Federal do Pará - IFPA, Santarém, Pará, Brasil
  • DÊNIO RAMAM CARVALHO OLIVEIRA Universidade Federal do Pará - UFPA, Belém, Pará, Brasil
  • BERNARDO NUNES MORAES NETO Universidade Federal do Pará - UFPA, Belém, Pará, Brasil
  • ADELSON BEZERRA MEDEIROS Universidade Federal do Pará - UFPA, Belém, Pará, Brasil
  • ALCEBÍADES MACEDO Universidade Federal do Pará - UFPA, Belém, Pará, Brasil
  • FRANCISCO ANDRÉ CASTRO SILVA Universidade da Amazônia - UNAMA, Belém, Pará, Brasil

Abstract

THE EFFICIENCY OF STEEL FIBERS FOR SHEAR STRENGTH OF REINFORCED CONCRETE BEAMS IS ASSESSED. FOUR BEAMS WERE EVALUATED: CONTROL CONSISTED OF ONE BEAM WITHOUT ANY STEEL FIBERS AND THREE BEAMS WITH REINFORCED CONCRETE WITH STEEL FIBERS. ALL BEAMS WERE REINFORCED FOR SHEAR STRENGTH BY A MINIMUM REINFORCEMENT RATE. THE INFLUENCE OF FIBER CONTENT ADDED TO CONCRETE, AT 0.5%, 0.8% AND 1.0%, AND THE POSSIBILITY OF PARTIAL OR TOTAL REPLACEMENT OF CONVENTIONAL SHEAR REINFORCEMENT (STIRRUPS) BY STEEL FIBERS WERE EVALUATED. RESULTS SHOWED A SIGNIFICANT INCREASE IN DUCTILITY AND STIFFNESS OF THE BEAMS WITH STEEL FIBERS AND, CONSEQUENTLY, CHANGES IN THE FAILURE MODE WERE OBSERVED, RANGING FROM SHEAR (CONTROL BEAM) TO FLEXURE BEHAVIOR (BEAMS WITH STEEL FIBERS).

Author Biographies

LANA DANIELE DOS SANTOS GOMES, Instituto Federal do Pará - IFPA, Santarém, Pará, Brasil

Professor, Faculdade de Engenharia Civil, Instituto Federal do Pará.

DÊNIO RAMAM CARVALHO OLIVEIRA, Universidade Federal do Pará - UFPA, Belém, Pará, Brasil

Professor, Faculdade de Engenharia Civil, Universidade Federal do Pará.

BERNARDO NUNES MORAES NETO, Universidade Federal do Pará - UFPA, Belém, Pará, Brasil

Professor, Faculdade de Engenharia Civil, Universidade Federal do Pará.

ADELSON BEZERRA MEDEIROS, Universidade Federal do Pará - UFPA, Belém, Pará, Brasil

Professor, Faculdade de Engenharia Civil, Universidade Federal do Pará

FRANCISCO ANDRÉ CASTRO SILVA, Universidade da Amazônia - UNAMA, Belém, Pará, Brasil

Engenharia Civil

Published
2018-04-20
Section
Articles