Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12296
Title: Multiple-tuned liquid column dampers for torsional vibration control of structures : experimental investigation
Authors: Shum, KM
Xu, YL 
Keywords: Experimental study
Head loss coefficient
Identification
Multiple-tuned liquid column damper
Performance assessment
Torsional vibration
Issue Date: 2002
Publisher: John Wiley & Sons
Source: Earthquake engineering and structural dynamics, 2002, v. 31, no. 4, p. 977-991 How to cite?
Journal: Earthquake engineering and structural dynamics 
Abstract: This paper presents an experimental investigation on the performance of multiple-tuned liquid column dampers (MTLCD) for reducing torsional vibration of structures in comparison with single-tuned liquid column dampers (STLCD). A large structure model simulating its torsional vibration and several STLCDs and MTLCDs of different configurations are designed and constructed. A series of harmonically forced vibration tests are conducted to evaluate the effectiveness of MTLCDs in reducing torsional vibration of the structure and to assess the performance effects of various design parameters, which include the number of TLCD units in a MTLCD, the bandwidth of a MTLCD, the frequency tuning ratio and the moment excitation amplitude. An averaging method is also used to identify the head loss coefficients of STLCDs and MTLCDs in conjunction with the free vibration test technique. The experimental results show that the performance of a MTLCD is better than a STLCD with the same water volume in reducing the torsional vibration of structure. The performance sensitivity to frequency tuning ratio can be improved by using MTLCDs.
URI: http://hdl.handle.net/10397/12296
ISSN: 0098-8847
EISSN: 1096-9845
DOI: 10.1002/eqe.133
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

20
Last Week
0
Last month
0
Citations as of Jul 29, 2017

Page view(s)

32
Last Week
4
Last month
Checked on Aug 14, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.