Behavior of Reinforced Concrete Beams using Wire Rope as Internal Shear Reinforcement

  • G. M. Colyvas Civil Engineering Department, Pan African University Institute for Basic Sciences, Technology, and Innovation, Kenya
  • Y. Malecot Institute of Engineering, University of Grenoble Alpes | CNRS | Grenoble INP, Grenoble, France
  • Y. Sieffert Institute of Engineering, University of Grenoble Alpes | CNRS | Grenoble INP, Grenoble, France
  • S. Aboudha Civil Engineering Department, Pan African University Institute for Basic Sciences, Technology, and Innovation, Kenya
  • C. Kanali Agricultural and Biosystems Engineering Department, Jomo Kenyatta University of Agriculture and Technology, Kenya
Keywords: digital image correlation, shear reinforcements, wire rope reinforcements

Abstract

Wire ropes as internal shear reinforcements could are an economic alternative to conventional stirrups in rectangular concrete beams, mainly due to their attractive advantages such as high flexibility, light weight, and strength. The aim of this study is to enhance the understanding of the shear behavior of concrete beams with continuous spiral-type wire rope as internal shear reinforcement. In order to achieve this objective, an experimental program involving the testing of six beam specimens under four-point load was conducted. Digital image correlation technique was employed to study the crack formation and propagation in the beam specimens. The test results demonstrated that using continuous spiral-type wire rope as shear reinforcement is highly favorable for diagonal crack control. In particular, spiral-type wire rope specimens attained serviceability crack width at a higher load than that of normal stirrup beam specimens.

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