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- Title
Experimental Investigation of Deep Beams with High-Strength Headed Shear Reinforcement, Part I.
- Authors
Palipana, Dhanushka K.; Proestos, Giorgio T.
- Abstract
Using normal-strength (Grade 60) and high-strength (Grade 80) headed bars as shear reinforcement can improve the constructability of reinforced concrete structures. However, the ACI 318-19 Code does not allow the use of headed bars as transverse reinforcement in deep beams. Similarly, ACI 318-19 does not allow engineers to take advantage of the increased yield strength of Grade 80 reinforcement for use as shear reinforcement. Therefore, to investigate the performance of headed and high-strength transverse reinforcement on the shear behavior of deep beams, a series of six large-scale specimens were tested to failure. The member response, including crack widths and strains in transverse reinforcement, were examined. The results show that deep beams containing headed and high-strength transverse reinforcement performed well compared to companion tests using conventional reinforcement.
- Subjects
SHEAR reinforcements; TRANSVERSE reinforcements; REINFORCED concrete
- Publication
ACI Structural Journal, 2024, Vol 121, Issue 3, p135
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51740486