Seismic design methodology for friction damped braced frames

被引：0

作者：

Levy, R ^{[1
]}

Marianchik, E

Rutenberg, A

Segal, F

机构：

[1] Technion Israel Inst Technol, Fac Civil Engn, IL-32000 Haifa, Israel

[2] Israel Elect Co Ltd, Haifa, Israel

来源：

EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS | 2000年 / 29卷 / 11期

关键词：

steel structures; earthquake engineering; friction dampers braced frames; bilinear hysteresis;

D O I：

10.1002/1096-9845(200011)29:11<1569::AID-EQE960>3.0.CO;2-4

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper is concerned with the design of steel frames using friction damped slotted bolted connections (SBCs) in the diagonal braces. A dynamic model is developed to describe the behaviour of a single-degree-of freedom (SDOF) steel frame that uses bilinear hysteretic behaviour for the damper. This model is generalized to MDOF systems. A novel algorithm for displacement reversal in the transition from slip to stick is presented. It uses numerical noise for its success. A design procedure that attains the stiffness of the individual braces and their elongation at the threshold of activation is then applied to a 10-storey steel frame. This design process is a two-phase iterative procedure that converges quite fast. Copyright (C) 2000 John Wiley & Sons, Ltd.

引用

页码：1569 / 1585

页数：17

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