Torsional Behavior of High Strength Concrete Members Strengthened by Mixed Steel Fibers | Zendy

Jawad K. Mures | Zendy; Mazin Abdul Imam Ahmed | Zendy; Aqeel H. Chkheiwer | Zendy

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Torsional Behavior of High Strength Concrete Members Strengthened by Mixed Steel Fibers

Author(s) -

Jawad K. Mures,

Mazin Abdul Imam Ahmed,

Aqeel H. Chkheiwer

Publication year - 2021

Publication title -

journal of engineering

Language(s) - English

Resource type - Journals

eISSN - 2314-4912

pISSN - 2314-4904

DOI - 10.1155/2021/5539623

Subject(s) - materials science , cracking , composite material , torsion (gastropod) , reinforcement , torque , mixing (physics) , structural engineering , fiber , engineering , medicine , physics , surgery , quantum mechanics , thermodynamics

Twelve mixing steel fibers-reinforced high strength concrete beams were experimentally tested under pure torsion to investigating the concrete member torsional behavior. The first cracking torque, ultimate torsional resistance, crack patterns, effect of steel fiber ratio, effects of shape and size of hollow cross-section, and effect of stirrups reinforcement were discussed. The ratio of mixing steel fiber, different shape and size of hollow cross-section, and ratio of stirrups reinforcement were considers as major parameters. The results are shown that the width of cracks decreases and the cracks number increases with mixing steel fibers ratio increased. The first cracking torque and ultimate torsion load increased with decrease in the hollow cross-section area of high strength concrete members strengthened by steel fibers.

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