Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32924
Title: Experimental and numerical verification of Hydraulic Displacement Amplification Damping System
Authors: Chung, TSK
Lam, ESS 
Wu, B
Xu, YL 
Keywords: Beam-column joint
Displacement Amplification
Retrofitting
Shaking table test
Viscous fluid damper
Issue Date: 2009
Publisher: Techno Press
Source: Structural engineering and mechanics, 2009, v. 33, no. 1, p. 1-14 How to cite?
Journal: Structural engineering and mechanics 
Abstract: Hong Kong is now recognized as an area of moderate seismic hazard, but most of the buildings have been designed with no seismic provision. It is of great significance to develop effective and practical measures to retrofit existing buildings against moderate seismic attacks. Researches show that beam-column joints are critical structural elements to be retrofitted for seismic resistance for reinforced concrete frame structures. This paper explores the possibility of using a Hydraulic Displacement Amplification Damping System (HDADS), which can be easily installed at the exterior of beam-column joints, to prevent structural damage against moderate seismic attacks. A series of shaking table tests were carried out with a 1/3 prototype steel frame have been carried out to assess the performance of the HDADS. A Numerical model representing the HDADS is developed. It is also used in numerical simulation of the shaking table tests. The numerical model of the HDADS and the numerical simulation of the shaking table tests are verified by experimental results.
URI: http://hdl.handle.net/10397/32924
ISSN: 1225-4568
EISSN: 1598-6217
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