000009941 001__ 9941
000009941 005__ 20141205153209.0
000009941 04107 $$aeng
000009941 046__ $$k2008-10-12
000009941 100__ $$aEnache, Ruxandra
000009941 24500 $$aTorsional Response in Buildings Exposed to Ground Motions Induced by Vrancea Earthquakes

000009941 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000009941 260__ $$b
000009941 506__ $$arestricted
000009941 520__ $$2eng$$aNatural torsion appears in systems with no coincidence between the mass and the stiffness centre. The dynamic response in this case couples torsion and translation on one or two orthogonal directions, depending on the existence of a symmetry axis. These systems are named torsional coupled systems. But torsion (known as accidental torsion) may occur even in symmetrical systems due to several reasons, as rotational components of the ground motion or uncertainties in stiffness or mass distribution. In this paper is analysed the seismic response of non-symmetrical systems (relative to both axes) acted simultaneously by the registered translational and the computed rotational components of the ground motion during several important Vrancea earthquakes (1977, 1986 and 1990). There are outlined the influence of the eccentricities and of the rotational component on the torsional response. Torsional response spectra are drawn for different site conditions.

000009941 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000009941 653__ $$anatural torsion, accidental torsion, rotational components.

000009941 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000009941 720__ $$aEnache, Ruxandra$$iDemetriu, Sorin$$iAlbota, Emil
000009941 8560_ $$ffischerc@itam.cas.cz
000009941 8564_ $$s205811$$uhttps://invenio.itam.cas.cz/record/9941/files/05-01-0361.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-01-0361.
000009941 962__ $$r9324
000009941 980__ $$aPAPER