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- Title
Shear Behavior of Lightweight Slag Aggregate Self-Consolidating Concrete Beams.
- Authors
Hossain, Khandaker M. Anwar; Sathiyamoorthy, Kokilan; Manzur, Tanvir; Lotfy, Abdurrahmaan
- Abstract
Lightweight self-consolidating concrete (LWSCC) has evolved to combine the excellent benefits of self-consolidating concrete (SCC) and lightweight concrete (LWC). However, investigation on structural performance of LWSCC-made structural components is quite limited. In this study, the shear behavior of LWSCC beams (with and without shear reinforcement) made of slag aggregates was investigated and compared with normalweight SCC beams. It was observed that LWSCC beams with stirrups showed similar shear behavior compared to their non-shear-reinforced counterparts until the formation of diagonal cracks. Compared to normalweight SCC beams without shear reinforcement, non-shear-reinforced LWSCC beams showed lower post-cracking shear resistance. It was also found that shear strength of LWSCC/SCC beams increased with the decrease in shear span-depth ratio. Moreover, American, Canadian, and British codes were found to be conservative in predicting shear strength of shear/non-shear-reinforced LWSCC beams.
- Subjects
CONCRETE beams; LIGHTWEIGHT concrete; SLAG; SHEAR reinforcements; SHEAR strength; SELF-consolidating concrete; CRACKS in reinforced concrete
- Publication
ACI Structural Journal, 2020, Vol 117, Issue 5, p259
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51724685