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A platform for research: civil engineering, architecture and urbanism
Experimental performance of RC hollow columns confined with CFRP
Column jacketing with fiber-reinforced polymer (FRP) composite materials has been extensively investigated in the last decade to address the issue of seismic upgrade and retrofit of existing reinforced concrete (RC) columns. Researchers have mainly focused their attention on solid columns, while very little research has been done on hollow columns strengthened with FRR To study the behavior of noncircular hollow cross sections subjected to combined axial load and bending and to contribute to the comprehension of the resistant mechanisms present in FRP confinement, a total of seven specimens have been tested. The present work is the first step in a broader endeavor aimed at evaluating the benefits generated by a FRP wrapping, computing (P-M) interaction diagrams for hollow columns confined with FRP, and defining design criteria for the strengthening of these elements using composite jackets. The theoretical analyses will also assess under which conditions the standard approaches for columns with solid cross sections could be extended to the case of hollow columns.
Experimental performance of RC hollow columns confined with CFRP
Column jacketing with fiber-reinforced polymer (FRP) composite materials has been extensively investigated in the last decade to address the issue of seismic upgrade and retrofit of existing reinforced concrete (RC) columns. Researchers have mainly focused their attention on solid columns, while very little research has been done on hollow columns strengthened with FRR To study the behavior of noncircular hollow cross sections subjected to combined axial load and bending and to contribute to the comprehension of the resistant mechanisms present in FRP confinement, a total of seven specimens have been tested. The present work is the first step in a broader endeavor aimed at evaluating the benefits generated by a FRP wrapping, computing (P-M) interaction diagrams for hollow columns confined with FRP, and defining design criteria for the strengthening of these elements using composite jackets. The theoretical analyses will also assess under which conditions the standard approaches for columns with solid cross sections could be extended to the case of hollow columns.
Experimental performance of RC hollow columns confined with CFRP
Lignola, G.P. (author) / Prota, A. (author) / Manfredi, G. (author) / Cosenza, E. (author)
Journal of Composites for Construction ; 11 ; 42-49
2007
8 Seiten, 12 Bilder, 3 Tabellen, 23 Quellen
Article (Journal)
English
Axialbelastung , Biegebeanspruchung , carbonfaserverstärkter Kunststoff , experimentelle Untersuchung , faserverstärkter Beton , Festigkeitserhöhung durch Beschichtung , Hohlkörper , mechanische Eigenschaft , Polymermatrix-Verbundwerkstoff , Retrofitting , Säule (Stütze) , Schutzschicht , Seismologie , Stahlbeton , theoretische Analyse , Träger (Bauwesen) , Umhüllung , Verbundwerkstoffmechanik
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