Minimum Shear Reinforcement for Columns with High-Strength Reinforcement and Concrete
Publication: Journal of Structural Engineering
Volume 147, Issue 2
Abstract
Large-scale reinforced concrete columns with high-strength reinforcement and concrete were tested. The nominal compressive strength of concrete was 70 MPa. The nominal yield strengths of longitudinal and shear reinforcement were 690 and 790 MPa, respectively. The columns were subjected to double-curvature lateral cyclic loading under constant axial compression. Test variables included the amount of shear reinforcement and level of axial compression. Test results showed that all the nine columns tested failed in shear and showed a successful redistribution of internal forces at diagonal cracking. The stress of shear reinforcement at the peak load increased with an increasing amount of shear reinforcement. Three of four columns with the highest amount of shear reinforcement (0.56%) showed yielding of shear reinforcement at the peak load. By comparing with the test results of 86 high-strength columns from this research and the literature, the minimum shear reinforcement equation of the ACI 318 code was found not able to prevent failure at diagonal cracking and failed to provide a clear trend between the reserve shear strength and the amount of shear reinforcement. A minimum shear reinforcement equation is thus proposed. The equation is based on the equation of the ACI 318 code and can consider the effect of axial compression. Comparing 86 columns shows that the columns that failed at diagonal cracking do not satisfy the proposed equation. Moreover, the proposed equation can provide a clear trend between the reserve shear strength and the amount of shear reinforcement.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are available from the corresponding author by request. (Lateral force and displacement relationships)
Acknowledgments
The authors would like to thank the financial support from the Ministry of Science and Technology of Taiwan under Contract Nos. 107-2625-M-002-010 and from the National Center for Research on Earthquake Engineering (NCREE) of Taiwan.
References
ACI (American Concrete Institute). 2019. Building code requirements for structural concrete. ACI 318. Farmington Hills, MI: ACI.
Akihiko, N., H. Kuramoto, and M. Koichi. 1990. “Shear strength and behavior of reinforced concrete columns using high-strength concrete of (Part 1 & Part 2).” In Proc., Architectural Institute of Japan, 53–56. Tokyo: Architectural Institute of Japan.
Aoyama, H. 2001. Design of modern highrise reinforced concrete structures. Singapore: World Scientific.
Kuramoto, H., and K. Minami. 1992. “Experiments on the shear strength of ultra-high strength reinforced concrete columns.” In Proc., 10th World Conf. on Earthquake Engineering, 3001–3006. Cleveland: CRC Press.
Kuwada, H., A. Nakayama, and K. Minami. 1993. “Shear strength of reinforced concrete columns using high strength concrete of .” Proc. Jpn. Concr. Inst. 15 (2): 473–478.
Lee, J. Y., I. J. Choi, and S. W. Kim. 2011. “Shear behavior of reinforced concrete beams with high-strength stirrups.” ACI Struct. J. 108 (5): 620–629.
Lee, J.-Y., D. H. Lee, J.-E. Lee, and S.-H. Choi. 2015. “Shear behavior and diagonal crack width for reinforced concrete beams with high-strength shear reinforcement.” ACI Struct. J. 112 (3): 323–333. https://doi.org/10.14359/51687422.
Maruta, M. 2008. “Shear capacity of reinforced concrete column using high strength concrete.” In Proc., 8th Int. Symp. on Utilization of High-Strength and High-Performance Concrete. Tokyo: Japan Concrete Institute and Japan Prestressed Concrete Engineering Association.
Munikrishna, A., A. Hosny, S. Rizkalla, and P. Zia. 2011. “Behavior of concrete beams reinforced with ASTM A1035 Grade 100 stirrups under shear.” ACI Struct. J. 108 (1): 34–41.
Ou, Y.-C., and D. P. Kurniawan. 2015a. “Effect of axial compression on shear behavior of high-strength reinforced concrete columns.” ACI Struct. J. 112 (2): 209–220. https://doi.org/10.14359/51687300.
Ou, Y.-C., and D. P. Kurniawan. 2015b. “Shear behavior of reinforced concrete columns with high-strength steel and concrete.” ACI Struct. J. 112 (1): 35–45. https://doi.org/10.14359/51686822.
Sakaguchi, N., K. Yamanobe, Y. Kitada, T. Kawachi, and S. Koda. 1990. “Shear strength of high-strength concrete members.” In Proc., SP-121: 2nd Int. Symp. on High-Strength Concrete, 155–178. Farmington Hills, MI: American Concrete Institute.
Seo, M., and H. Noguch. 1992. “Experimental study on shear behavior of RC columns using high-strength materials (Part 1 and Part 2).” In Proc., Summary of Technical Papers of Annual Meeting, Structure II, 627–630. Tokyo: Architectural Institute of Japan.
Shinohara, Y., T. Kubota, and S. Hayashi. 2008. “Shear crack behaviors of ultra-high-strength concrete columns (Part 1 & Part 2).” In Proc., Summaries of Technical Papers of Annual Meeting, Structures IV, 605–608. Tokyo: Architectural Institute of Japan.
Sibata, M., H. Kanasugi, M. Uwada, H. Ooyama, and Y. Yamashita. 1997. “Experimental study on shear behavior of reinforced concrete columns using high-strength shear reinforcement of Grade (Part 4).” In Proc., Summaries of Technical Papers of Annual Meeting, Structures IV, 7–8. Tokyo: Architectural Institute of Japan.
Takaine, Y., S. Nagai, M. Maruta, and N. Suzuki. 2010. “Shear performance of RC column using concrete.” In Proc., Summaries of Technical Papers of Annual Meeting, Structures IV, 295–296. Tokyo: Architectural Institute of Japan.
Takami, S., and K. Yoshioka. 1997. “Shear strength of RC columns using high-strength concrete.” In Proc., Summaries of Technical Papers of Annual Meeting, Structures IV, 25–26. Tokyo: Architectural Institute of Japan.
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Published In
Journal of Structural Engineering
Volume 147 • Issue 2 • February 2021
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Jan 22, 2020
Accepted: Jul 17, 2020
Published online: Nov 18, 2020
Published in print: Feb 1, 2021
Discussion open until: Apr 18, 2021
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