caa a22 4500 445847468 CHVBK 20180317145403.0 cr unu---uuuuu 170323e20110401xx s 000 0 eng 10.1007/s10518-010-9214-6 doi (NATIONALLICENCE)springer-10.1007/s10518-010-9214-6 Estimation of the seismic energy demands of two-way asymmetric-plan building systems [Elektronische Daten] [Jui-Liang Lin, Keh-Chyuan Tsai] This paper proposes a method for the estimation of the seismic energy demands of two-way asymmetric-plan buildings under bi-directional ground excitations. The modal absorbed energies of asymmetric-plan buildings are estimated by using the three-degree-of-freedom (3DOF) modal systems. The 3DOF modal system represents the two roof translations versus the two base shears and the roof rotation versus the base torque relationships of each vibration mode of two-way asymmetric-plan buildings. Not only the total absorbed energy but also the portions of the total absorbed energy contributed from translational and rotational deformations can be respectively estimated. This study verifies the relationship between the signs of modal eccentricities and the trend of uneven distribution of modal absorbed energy on floor-plan edges of asymmetric-plan buildings. The accuracy of the proposed method was verified by analyzing one 3-storey and one 20-storey two-way asymmetric-plan buildings subjected to bi-directional ground motions. The computational efficiency of the proposed method is confirmed by comparing the computation time with that required by using the nonlinear response history analysis. Springer Science+Business Media B.V., 2010 Asymmetric-plan buildings nationallicence Modal response history analysis nationallicence Modal system nationallicence Absorbed energy nationallicence Torsion nationallicence Eccentricity nationallicence Seismic behavior nationallicence Lin Jui-Liang National Center for Research on Earthquake Engineering, Taipei, Taiwan, ROC aut Tsai Keh-Chyuan Department of Civil Engineering, National Taiwan University, Taipei, Taiwan, ROC aut Bulletin of Earthquake Engineering Springer Netherlands 9/2(2011-04-01), 603-621 1570-761X 9:2<603 2011 9 10518 https://doi.org/10.1007/s10518-010-9214-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10518-010-9214-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Lin Jui-Liang National Center for Research on Earthquake Engineering, Taipei, Taiwan, ROC aut NATIONALLICENCE 700 1- Tsai Keh-Chyuan Department of Civil Engineering, National Taiwan University, Taipei, Taiwan, ROC aut NATIONALLICENCE 773 0- Bulletin of Earthquake Engineering Springer Netherlands 9/2(2011-04-01), 603-621 1570-761X 9:2<603 2011 9 10518 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer