Seismic yield displacements of plane moment resisting and x-braced steel frames

被引：16
|
作者：
Dimopoulos, Athanasios I. [1 ]
Bazeos, Nikitas [1 ]
Beskos, Dimitri E. [1 ,2 ]
机构：
[1] Univ Patras, Dept Civil Engn, GR-26500 Patras, Greece
[2] Acad Athens, Off Theoret & Appl Mech, GR-11527 Athens, Greece
来源：
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2012年 / 41卷
关键词：
DESIGN; BUILDINGS;
D O I：
10.1016/j.soildyn.2012.05.002
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Approximate formulae for the estimation of lateral displacements at first yielding of plane steel frames under seismic excitations are provided for use in a performance based seismic design and more particularly, in a direct displacement based seismic design of these structures. These formulae, which are functions of the geometrical and design properties of the frames, are derived on the basis of seismic response data obtained with the aid of extensive dynamic inelastic analyses involving 36 moment resisting and 36 x-braced plane steel frames with steel grade S235, S275 and S355 under 84 ordinary seismic ground motions. Comparison of the proposed formulae against other simpler existing formulae, reveals the higher accuracy of the proposed ones. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：128 / 140
页数：13
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