Performance of an Interior Beam-Column Joint with and without a Slab under Cyclic Load

Abstract:

The beam-column joint is a crucial zone in a reinforced concrete moment resisting frame. It is subjected to large forces during severe ground shaking, and its behaviour has a significant influence on the response of the structure. In the present study, two half-scaled cast-in-situ beam-column subassemblies (i) without slab and (ii) with slab, with reinforcement detailing as per ACI 318-63 (1963) provisions are constructed. The beam-column joints are comprehensively instrumented and tested under static displacement controlled cyclic loading. This paper explains the contribution of the floor slab, especially in “Tension flange” on the overall cyclic behaviour of the subassembly, and the experimental results of horizontal joint shear stress are discussed, and compared with the ACI 352R-02 provisions.

• Periodical: Advanced Materials Research (Volume 680)
• Pages: 211-216
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.680.211
• Online since: April 2013
• Authors: Saddam M. Ahmed, Umarani Gunasekaran
• Keywords: Beam-Column, Joint Shear, Reinforced Concrete (RC), Slab

References

[1] A. Beres, SP. Pessiki, RN. White, P. Gergely, Implications of Experiments on the Seismic Behavior of Gravity Load Designed RC Beam-to-Column Connections, Earthquake Spectra 12 (2), (1996) 185-198.

DOI: 10.1193/1.1585876

[2] T. Paulay, R. Park, MJN. Priestley, Reinforced Concrete Beam-Column Joints under Seismic Actions, ACI Journal. 75 (11) (1978) 585-593.

DOI: 10.14359/10971

[3] S. Pampanin, GM. Calvi, M. Moratti, Seismic Behaviour of R.C. Beam-Column Joints Designed for Gravity Loads, 12th European Conference on Earthquake Engineering. London, (2002) Paper No. 726.

[4] CE. Chalioris, MJ. Favvata, CG. Karayannis, Reinforced Concrete Beam-Column Joints with Crossed Inclined Bars under Cyclic Deformations, Earthquake Engineering Structure Dynamics. 37(6) (2008) 881-897.

DOI: 10.1002/eqe.793

[5] L. Xilin, U. Tonny, L. Sen, L. Fangshu, Seismic Behavior of Interior RC Beam-Column Joints with Additional Bars under Cyclic Loading, Earthquakes and Structures. 3(1) (2012) 37-57.

DOI: 10.12989/eas.2012.3.1.037

[6] MR. Ehsani, JK. Wight, Effect of Transverse Beam and Slab on the Behavior of Reinforced Concrete Beam-to-Column Connections, ACI Structural Journal. 82(2) (1985) 188-195.

DOI: 10.14359/10327

[7] AJ. Durrani, EZ. Zerbe, Seismic Resistance of R/C Exterior Connections with Floor Slabs, Journal of Structural Engineering. ASCE, 113(8) (1987) 1850-1864.

DOI: 10.1061/(asce)0733-9445(1987)113:8(1850)

[8] SM. Ahmed, C. Umarani, GA. MacRae, A Parametric Study of R.C. Slab in Beam-Column Connection under Cyclic Loading" 2012 NZSEE Conference. (2012) Paper No. 58.

[9] ACI-ASCE Committee 352 (2002) , Recommendations for Design of Beam-Column Connections in Monolithic Reinforced Concrete Structures, Reported by Joint ACI-ASCE Committee 352, Detroit.

DOI: 10.1061/40558(2001)69

[10] ACI Committee 318 (1963), Building Code Requirements for Reinforced Concrete, American Concrete Institute, Detroit.