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January 24, 2010 | History

Seismic behaviour of a shear-critical reinforced concrete frame: An experimental and numerical investigation 1 edition

Seismic behaviour of a shear-critical reinforced concrete frame: An e ...
Kien Vinh Duong

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Seismic behaviour of a shear-critical reinforced concrete frame: An experimental and numerical investigation.

Published 2006 .
Written in English.

About the Book

Many reinforced concrete structures that were built 30 or 40 years ago were built without consideration for seismic design. As such, these buildings are of great concern because they failed (or may fail) in a catastrophic brittle shear manner. Unlike moment critical structures, shear-critical structures have not been well studied, and reliable analytical tools to accurately evaluate shear-critical buildings are scarce. A corroborative experimental and analytical investigation was carried out to study the behaviour of a shear-critical reinforced concrete frame under seismic loading. A single-span, two-storey, reinforced concrete frame with shear-critical beams was constructed. This frame was tested in a lateral reverse cyclic manner until severe shear damage took place, repaired with carbon fibre reinforced polymer (CFRP), and re-tested. The damage mode changed from shear to flexure after repair. In addition, great improvements were observed in the peak lateral load, ductility, maximum displacement, and energy dissipation. The experimental findings concluded that the strain limitations proposed by ISIS Canada on the CFRP were conservative. The frame was analyzed in a nonlinear finite element analysis software called VecTor2. Analytical results indicated that the frame behaviours such as load-displacement response, failure mode, and crack pattern were predicted well prior to repair, but poorly after repair.

Edition Notes

Advisor: Frank J. Vecchio.

Source: Masters Abstracts International, Volume: 44-06, page: 2891.

Thesis (M.A.Sc.)--University of Toronto, 2006.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

296 leaves.
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History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page