The capacity design of reinforced concrete hybrid structures for multistorey buildings

  • T. Paulay University of Canterbury, Christchurch, New Zealand
  • W. J. Goodsir Ove Arup Partnership, London, UK

Abstract

To complement existing capacity design procedures used in New Zealand for reinforced concrete buildings in which earthquake resistance is provided by ductile frames or ductile structural walls, an analogous methodology is presented for the design
of ductile hybrid structures. Modelling and types of structures in which the mode of wall contribution is different are briefly described. A step by step description of a capacity design procedure for a structural system in which fixed base ductile frames and walls, both of identical height, interact, is presented. The rationale for each step is outlined and, where necessary, evidence is offered for the selection of particular design parameters and their magnitudes. A number of issues which require further study are briefly outlined. These relate to irregularity in layout, torsional effects, diaphragm flexibility, shortcomings in the predictions for dynamic shear demands in walls, and to limitations of the proposed design procedure. It is believed that the methodology is logical, relatively simple and that it should ensure, when combined with appropriate detailing, excellent seismic structural response.

References

NZS 3101:1982, Parts 1 and 2, "Code of Practice for the Design of Concrete Structures", Standards Association of New Zealand, Wellington, 283pp.

Paulayr T. and Williams, R.L., "The Analysis and Design of and the Evaluation of Design Actions for Reinforced Concrete Ductile Shear Walls", Bulletin of the New Zealand National Society for Earthquake Engineering, Vol. 13, No. 2, June 1980, pp.108-143.

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Goodsir, W.J., "The Response of Coupled Shear Walls and Frames", Research Report No. 82-10, Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand, 1982, 155pp.

NZS 4203:1984, "Code of Practice for General Structural Design and Design Loadings for Buildings", Standards Association of New Zealand, Wellington, 80pp.

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Paulay, T., "Moment Redistribution in Continuous Beams of Earthquake Resistant Multistorey Reinforced Concrete Frames", Bulletin of the New Zealand National Society for Earthquake Engineering, Vol. 9, Nol. 4, Dec. 1976, pp.205-212.

Blakeley, R.W.G., Cooney, R.C. and Megget, L.M., "Seismic Shear Loading at Flexural Capacity in Cantilever Walls", Bulletin of the New Zealand National Society for Earthquake Engineering, Vol. 8, No. 4, Dec. 1975, pp.278-290.

Paulay, T. and Goodsir, W.J., "The Ductility of Structural Walls", Bulletin of the New Zealand National Society for Earthquake Engineering, Vol. 18, No. 3, Sept. 1985, pp.250- 269.

Goodsir, W.J., "The Design on Coupled Frame-Wall Structures for Seismic Actions", Research Report No. 85-8, Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand, 1985, 383pp.

Published
1986-03-31
How to Cite
Paulay, T., & Goodsir, W. J. (1986). The capacity design of reinforced concrete hybrid structures for multistorey buildings. Bulletin of the New Zealand Society for Earthquake Engineering, 19(1), 1-17. https://doi.org/10.5459/bnzsee.19.1.1-17
Section
Articles