Cyclic load testing of three haunched reinforced concrete beam-column assemblies
DOI:
https://doi.org/10.5459/bnzsee.15.3.141-153Abstract
The paper describes the testing of three reinforced concrete haunched beam-column assemblies under incremented-static cyclic loading. The half or full size test units were based upon typical interior joints of external frames of multi-storey buildings designed to the current NZ loading code.
Hinge formation occurred in the beams and stable hysteretic behaviour was obtained up to model displacement ductilities of 6 (worst unit) to 18 (best unit). Corresponding prototype building ductilities are shown to be slightly higher. Tests results indicated the importance of matching the yield moment strengths in the haunch with the combined seismic and gravity load distribution.
References
New Zealand Standard for General Structural Design and Design Loadings for Buildings, NZS 4203 : 1976 Part 3, "Earthquake Provisions" Standards Association of New Zealand, Wellington, 1976.
Park, R. and Paulay, T. "Reinforced Concrete Structures" John Wiley and Sons 1974. DOI: https://doi.org/10.1002/9780470172834
Blakeley, R.W.G., Edmonds, F.D., Megget, L.M. and Wood, L.H., “Cyclic Load Testing of Two Refined Reinforced Concrete Beam-Column Joints” Proc, of 2nd South Pacific Regional Conference on Earthquake Engineering, Volume 2, pp 459-492.
Draft New Zealand Code of Practice for the Design of Concrete Structures, DZ 3101, Standard Association of New Zealand, Wellington, 1978.
Thurston, S.J. "Testing of a Reinforced Concrete Haunched Beam Under Simulated Seismic Loading". Ministry of Works and Development, New Zealand, Central Laboratories Report No. 5-79/2.
Harichandran, R.S. "Cyclic Testing of a Reinforced Concrete Haunched Beam Column Joint". Ministry of Works and Development, New Zealand, Central Laboratories Report No. 5-80/6.
ACI-ASCE Committee 352, Recommendation for Design of Beam-Column Joints in Monolithic Reinforced Concrete Structures. ACI Journal, July 1976, pp 375-393.
Park, R. "Ductility of Reinforced Concrete Frames Under Seismic Loading." N.Z. Engineering, Volume 23, November 1968, pp. 427-435.
New Zealand Code of Practice for the Design of Concrete Structures, NZS3101, Standards Association of New Zealand, Wellington, 1982.
Beckingsale, C.W. "Post Elastic Behaviour of Reinforced Concrete Beam-Column Joints" Research Report 80-20 University of Canterbury, Department of Civil Engineering.
Blakeley, R.W.G., Megget, L.M. and Priestley, M.J.N., "Seismic Performance of Two Full Size Reinforced Concrete Beam-Column Joint Units", Bulletin of the New Zealand National Society for Earthquake Engineering, Vol. 8, No. 1, March 1975.
