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Transient Analysis of High-rise Wall-Frame Structures with Outriggers under Seismic Load  

Kim, Jin Man (세종대학교 대학원 건축공학과)
Choe, Eun Hui (세종대학교 대학원 건축공학과)
Park, Dae Gyu (세종대학교 대학원 건축공학과)
Lee, Jae Hong (세종대학교 건축공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.20, no.2, 2008 , pp. 303-312 More about this Journal
Abstract
In this paper, the seismic behavior of shear wal-frame systems is analyzed. The governing equations of the wall-frame systems with outrigger truss are formulated through the continuum approach and the whole structure is idealized as a shear-flexural cantileverwith rotational spring. The effect of shear deformation and flexural deformation of the wall-frame and outrigger trusses are considered and incorporated in the formulation of the wall-frame structures with and without outriggers are compared by using finite element analysis incorporated with the Newmark-${\beta}$ method. Numerical results are obtained and compared with the finite element package MIDAS. The proposed method is found to be simple and efficient, and provides reason ably accurate results in the early design stage of tall building structures.
Keywords
Wall-frames with outrigger trusses; Shear-flewural cantliever; Rotational spring; Seismic load; Transient analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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