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Seismic retrofit of precast RC wall panels with cut-out openings using FRP composites
Politechnica University of Timisoara.
Politechnica University of Timisoara.
Politechnica University of Timisoara.
Politechnica University of Timisoara.
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2009 (English)In: The 9th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures (FRPRCS-9) / [ed] D. J. Oehlers; M.C. Griffith; R. Seracino, Adeleide: University of Adelaide , 2009Conference paper, Published paper (Refereed)
Abstract [en]

The present study was conceived in order to investigate the shear behaviour of the Precast Reinforced Concrete Wall Panels (PRCWP) with cut-out openings subjected to in-plane seismic loading conditions and to assess the shear capacity gain obtained using Fiber Reinforced Polymer (FRP) composites as retrofit solution. The structural system of Precast Reinforced Concrete Large Panels (PRCLP) was extensively used in Romania, from 1950 to 1990, for housing buildings with 5 and 9 stories. Cut-out openings are often required to facilitate direct access from outside or between adjacent apartments, predominantly at the ground floor, where both gravity and seismic capacity demand is maximum. However, cut-out openings performed in structural walls results in the modification of the internal force flow paths, loss of load bearing capacity and reduced structural safety. Similar experimental researches are scarce in the literature. The earthquake resisting behaviour of Reinforced Concrete (RC) structural walls with openings, strengthened by Carbon FRP (CFRP) sheets and grids, was investigated in the post-damage repair and strengthening case. The shear and flexural strengthening effect of differently oriented CFRP sheets was examined on cantilever type RC shear walls in both prior-to-damage and post-damage situations. Experimental research was performed on high slenderness RC walls with door openings distributed on four height levels, strengthened with CFRP sheets.

Place, publisher, year, edition, pages
Adeleide: University of Adelaide , 2009.
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-38010Local ID: c4039e80-e89b-11de-bae5-000ea68e967bISBN: 978-0-9806755-0-4 (print)OAI: oai:DiVA.org:ltu-38010DiVA: diva2:1011509
Conference
International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures : 13/07/2009 - 15/07/2009
Note
Godkänd; 2009; 20091214 (gabsas)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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