Title:
Seismic Response of a 1:6 Reinforced Concrete Scale-Model Structure With Flexible Floor Diaphragms
Author(s):
Nader Panahshahi, Andrei M. Reinhorn, Sashi K. Kunnath, Le-Wu Lu, Ti Huang, and Kai Yu
Publication:
Structural Journal
Volume:
88
Issue:
3
Appears on pages(s):
315-324
Keywords:
beams (supports); concrete slabs; diaphragms; floors; tests; reinforced concrete; earthquake-resistant structures; models; Structural Research
DOI:
10.14359/2720
Date:
5/1/1991
Abstract:
A comprehensive investigation to study the effect of flexible floor diaphragms on the inelastic seismic response of reinforced concrete buildings is presented. A combined experimental and analytical approach is utilized. The experimental program consists of shaking table tests of single-story 1:6 scale-model structures, as well as quasi-static component tests of beam-supported floor panels, flexible beam-column frames, and stiff shearwall-beam frames under high-intensity cyclic loadings. An analytical modeling scheme is developed to include the inelastic effects of flexible floor diaphragms in the analysis of reinforced concrete buildings. A macro-model approach is used, where the effects of both in-plane flexure and shear are included. An extended description and the results of an experimental study of the shaking-table response of a scaled-model structure are presented, along with pertinent component tests. The correlation between the analytical predictions obtained using the developed model and the experimental responses is examined.