000013132 001__ 13132
000013132 005__ 20161114160328.0
000013132 04107 $$aeng
000013132 046__ $$k2009-06-22
000013132 100__ $$aTsourekas A., G.
000013132 24500 $$aEffects of seismic incident angle on response of structures under bi-directional recorded and artificial ground motion

000013132 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013132 260__ $$bNational Technical University of Athens, 2009
000013132 506__ $$arestricted
000013132 520__ $$2eng$$aThe objective of the present paper is to investigate: (a) the influence of the orientation of ground motion horizontal components on structural response within the context of Linear Response History Analysis and (b) to find out the differences (if any) between the effects produced by recorded and artificial ground motions. For this purpose two single storey and two five storey buildings are analyzed for several bi-directional ground motions. The ground motions are represented by both recorded and artificial accelerograms which match the code’s design spectrum. The maximum response of each building is computed for the following cases: (a) the accelerograms are applied along the structural axes; (b) the accelerograms are rotated around a vertical axis so as to form an angle θ=10o, 20o,…,180o with regard to structural x-axis; and (c) the accelerograms are transformed in order to become uncorrelated to each other and are then applied along the structural axes. Furthermore, the maximum structural response for all possible directions of seismic incident angle is computed by using well known analytical formulae. The evaluation of the results shows that: (a) the response is significantly affected (up to 300%) by the orientation of ground motion components; (b) the uncorrelated accelerograms applied along the structural axes do not produce the maximum response. P

000013132 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013132 653__ $$aSeismic analysis, Linear Time History Analysis, Incident Angle, Artificial Accelerograms. Abstract. The objective of the present paper is to investigate: (a) the influence of the orientation of ground motion horizontal components on structural response within the context of Linear Response History Analysis and (b) to find out the differences (if any) between the effects produced by recorded and artificial ground motions. For this purpose two single storey and two five storey buildings are analyzed for several bi-directional ground motions. The ground motions are represented by both recorded and artificial accelerograms which match the code’s design spectrum. The maximum response of each building is computed for the following cases: (a) the accelerograms are applied along the structural axes; (b) the accelerograms are rotated around a vertical axis so as to form an angle θ=10o, 20o,…,180o with regard to structural x-axis; and (c) the accelerograms are transformed in order to become uncorrelated to each other and are then applied along the structural axes. Furthermore, the maximum structural response for all possible directions of seismic incident angle is computed by using well known analytical formulae. The evaluation of the results shows that: (a) the response is significantly affected (up to 300%) by the orientation of ground motion components; (b) the uncorrelated accelerograms applied along the structural axes do not produce the maximum response. P

000013132 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013132 720__ $$aTsourekas A., G.$$iAthanatopoulou A., M.$$iAvramidis I., E.
000013132 8560_ $$ffischerc@itam.cas.cz
000013132 8564_ $$s332673$$uhttps://invenio.itam.cas.cz/record/13132/files/CD180.pdf$$yOriginal version of the author's contribution as presented on CD, section: Computational methods in earthquake engineering - i.
000013132 962__ $$r13074
000013132 980__ $$aPAPER