000011104 001__ 11104
000011104 005__ 20141205155836.0
000011104 04107 $$aeng
000011104 046__ $$k2008-10-12
000011104 100__ $$aNaito, Hideki
000011104 24500 $$aDamage Prediction for Concrete-Encased Steel Piers Subjected to Lateral Cyclic Loading

000011104 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011104 260__ $$b
000011104 506__ $$arestricted
000011104 520__ $$2eng$$aThis paper presents an experimental and analytical investigation of the seismic performance of concrete-encased steel piers, which are sometimes known as steel-reinforced concrete (SRC) structures. In particular, a ductility evaluation and a damage prediction method for the seismic design of SRC piers are proposed. First, load-deformation characteristics and plastic curvature distribution were measured in cyclic loading tests of SRC columns. In these tests, two limit states considering the damage level of SRC columns were shown. In this study, the restorable limit state and the ultimate limit state are defined as the spalling of the cover concrete and the local buckling of the H-shaped steel, respectively. To evaluate the displacement at the restorable limit state, the plastic curvature distribution at the spalling of the concrete cover was modeled to the rectangle distribution, and its curvature was calculated by buckling analysis of the longitudinal bars confined within the cover concrete and the ties. The displacement at the ultimate limit state was calculated by integrating the curvature distribution based on the local buckling analysis of a steel plate fixed in concrete. Using experimental tests including those of other authors, it was confirmed that the proposed method can appropriately evaluate the displacement at the restorable limit state (the spalling of the cover concrete) and the ultimate limit state (the local buckling of the H-shaped steel) of SRC columns.

000011104 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011104 653__ $$aconcrete-encased steel piers, cyclic loading tests, ductility evaluation, damage prediction

000011104 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011104 720__ $$aNaito, Hideki$$iAkiyama, Mitsuyoshi$$iSuzuki, Motoyuki
000011104 8560_ $$ffischerc@itam.cas.cz
000011104 8564_ $$s611359$$uhttps://invenio.itam.cas.cz/record/11104/files/05-03-0030.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-03-0030.
000011104 962__ $$r9324
000011104 980__ $$aPAPER