Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
DYNAMIC BEHAVIOR OF PLANE STEEL MOMENT FRAME WITH FRICTION DAMPERS UNDER SUPPORT CONDITION OF COLUMNS
Tou YOUMinoru YAMANARI
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2018 Volume 25 Issue 97 Pages 97_1-97_12

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Abstract

This research is concerned with vibration control system with passive friction dampers equipped at the bottom of a steel frame. Sliding of friction dampers give the frame the base-isolation effect. There is a problem of a large residual displacement of the building after a strong earthquake. In order to make the residual displacement conservative, the outer columns in the first story of the frame are directly connected to the foundation. Therefore, the base of the frame with friction dampers could get back to the original position by the spring back-force. Eventually, the system solves the problem of the residual displacement after an earthquake. In this paper, dynamic behavior of this base-isolation system is examined with four types of frame.

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© 2018 Japanese Society of Steel Construction
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