000011377 001__ 11377
000011377 005__ 20141205155905.0
000011377 04107 $$aeng
000011377 046__ $$k2008-10-12
000011377 100__ $$aPrawatwong, U.
000011377 24500 $$aSeismic Performance of Post–Tensioned Interior Slab-Column Connections with and Without Drop Panel

000011377 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011377 260__ $$b
000011377 506__ $$arestricted
000011377 520__ $$2eng$$aThis paper presents an experimental study on the seismic performance of two three-fifth scale post-tensioned (PT) interior slab-column connection models, one without drop panel and another one with drop panel. The model without drop panel was designed and constructed to represent a typical connection between interior column and post-tensioned flat plate with bonded tendons usually found in Thailand. The other model was intended to represent an improved design of typical post-tensioned slab-column connections by using drop panel. Both models were tested under a constant gravity load. A conventional displacement-controlled cyclic loading routine with monotonically increasing drift levels until failure was adopted to investigate the seismic performance. The experimental results indicated that each model behaved like a linear elastic system with low energy dissipation, and no pinching was observed in the hysteretic loops. The model without drop panel abruptly failed by punching shear shortly after attaining its maximum lateral strength at 2.0% drift, while the improved model experienced a saturation of lateral peak load from about 2.5% to 6.0% drift prior to punching shear. The improved model with drop panel showed considerably more drift capacity and ductility than the one without drop panel. The test results also suggest that the gravity shear ratio be a major variable which governs the drift capacity and ductility of bonded PT interior connections, and that the ACI 318-05’s design drift limit could be used for this case.

000011377 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011377 653__ $$aSlab-column connections, drop panel, post-tensioning, flat plate, punching shear, bonded tendons.

000011377 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011377 720__ $$aPrawatwong, U.$$iTandian, C.H.$$iWarnitchai, P.
000011377 8560_ $$ffischerc@itam.cas.cz
000011377 8564_ $$s500992$$uhttps://invenio.itam.cas.cz/record/11377/files/05-03-0177.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-03-0177.
000011377 962__ $$r9324
000011377 980__ $$aPAPER