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A platform for research: civil engineering, architecture and urbanism
Behavior of FRP strengthened infill walls under in-plane seismic loading
The present paper investigates the suitability and effectiveness of fiber-reinforced polymers (FRP) in strengthening and/or repairing unreinforced masonry infill walls in reinforced concrete frames which are subjected to in-plane seismic/cyclic loading. For this purpose, a detailed experimental program was conducted. Specimen geometry, test setup, instrumentation, and a loading procedure that simulates earthquake loading are presented in a detailed fashion. Results of experimental observations are discussed in the form of load-displacement hysteretic loops and envelopes; column profiles; strain diagrams, and wall shear distortion. The test results, in general, indicate that the use of glass FRP (GFRP) sheets as strengthening materials provides a degree of enhancement to the infill wall, upgrades its deformation capacity, and makes the wall work as one unit. These results thus show great potential for externally bonded GFRP sheets in upgrading and strengthening the infill walls under in-plane seismic loads.
Behavior of FRP strengthened infill walls under in-plane seismic loading
The present paper investigates the suitability and effectiveness of fiber-reinforced polymers (FRP) in strengthening and/or repairing unreinforced masonry infill walls in reinforced concrete frames which are subjected to in-plane seismic/cyclic loading. For this purpose, a detailed experimental program was conducted. Specimen geometry, test setup, instrumentation, and a loading procedure that simulates earthquake loading are presented in a detailed fashion. Results of experimental observations are discussed in the form of load-displacement hysteretic loops and envelopes; column profiles; strain diagrams, and wall shear distortion. The test results, in general, indicate that the use of glass FRP (GFRP) sheets as strengthening materials provides a degree of enhancement to the infill wall, upgrades its deformation capacity, and makes the wall work as one unit. These results thus show great potential for externally bonded GFRP sheets in upgrading and strengthening the infill walls under in-plane seismic loads.
Behavior of FRP strengthened infill walls under in-plane seismic loading
Almusallam, Tarek H. (author) / Al-Salloum, Yousef A. (author)
Journal of Composites for Construction ; 11 ; 308-318
2007
11 Seiten, 19 Bilder, 4 Tabellen, 18 Quellen
Article (Journal)
English
ebenflächige Belastung , Energieaufnahme , faserverstärkter Beton , geometrischer Parameter , glasfaserverstärkter Kunststoff , Mauerwerk , mechanische Spannungsverteilung , Reparatur , seismische Welle , Seismologie , Verfestigung , Verformung unter Last , Verformungsfähigkeit , zyklische Belastung , zyklische Prüfung
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