000010793 001__ 10793
000010793 005__ 20141205155804.0
000010793 04107 $$aeng
000010793 046__ $$k2008-10-12
000010793 100__ $$aLu, Y.
000010793 24500 $$aSeismic Behaviour of Gravity-Designed RC Frame Retrofitted by FRP

000010793 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000010793 260__ $$b
000010793 506__ $$arestricted
000010793 520__ $$2eng$$aFibre reinforced polymer (FRP) is being used widely in repairing and retrofitting structures which suffer from damage or some design deficiencies. For gravity-designed (or generally nonseismically designed) structures, FRP strengthening also appears to be an obvious choice when comes to the need of upgrading for improved seismic resistance. However, typical FRP strengthening is known to be susceptible to debonding and such problem is expected to become more serious under cyclic deformations. This paper investigates the effectiveness of FRP retrofitting for enhancing the seismic performance of RC frames. A half-scale reinforced concrete test frame, originally designed without considering any seismic requirements, is constructed and subsequently subjected to simulated earthquakes until a significant degree of damage is generated. The damaged frame is then repaired using glass fibre reinforced polymer (GFRP) following a typical repairing procedure. The repaired frame is subsequently tested until final failure. The observed responses before and after the repairing are compared. The effectiveness of the retrofitting scheme is discussed in terms of the restoration of the initial stiffness, the evaluation of damage, and the base shear strength and ductility. The development and pattern of debonding during the course of tests are highlighted.

000010793 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000010793 653__ $$aRC frame, fibre reinforced polymer, shake table test, repairing, debonding

000010793 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000010793 720__ $$aLu, Y.$$iWei, J.W.
000010793 8560_ $$ffischerc@itam.cas.cz
000010793 8564_ $$s949958$$uhttps://invenio.itam.cas.cz/record/10793/files/05-03-0075.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-03-0075.
000010793 962__ $$r9324
000010793 980__ $$aPAPER