Control of Wind-Excited Truss Tower Using Semiactive Friction Damper
Publication: Journal of Structural Engineering
Volume 127, Issue 8
Abstract
This paper explores the possibility of incorporating semiactive friction dampers into wind-excited large truss towers to abate excessive vibration. Piezoelectric materials are used to control the clamping force of a friction damper so as to regulate the slip force of the damper through simple feedback of damper motion status. A rational analytical method is then developed for determining wind-induced dynamic response of large truss towers equipped with semiactive friction dampers and performing extensive parametric studies to evaluate their effectiveness. The proposed bimodel method fulfills the task by alternately using a 3D finite-element static model and a 2D lumped mass dynamic model. Finally, the bimodel method and semiactive friction dampers are applied to a large space steel television tower as a case study. The study demonstrates that the bimodel method can efficiently compute wind-induced dynamic response of the television tower with semiactive friction dampers. The semiactive friction dampers can effectively suppress not only excessive displacement response but also velocity and acceleration responses. Compared with passive friction dampers, the semiactive friction dampers are more robust and versatile for enhancing both serviceability and strength performances of the tower.
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References
1.
Aiken, I. D., and Kelly, J. M. ( 1990). “Earthquake simulator testing and analytical studies of two energy-absorbing systems for multistory structures.” Rep. No. UCB/EERC-90/03, University of California, Berkeley, Calif.
2.
Akbay, Z., and Aktan, H. M. ( 1990). “Intelligent energy dissipation devices.” Proc., 4th U.S. Nat. Conf. on Earthquake Engrg., EERI, Calif., Vol. 3, 427–435.
3.
Akbay, Z., and Aktan, H. M. ( 1991). “Actively regulated friction slip braces.” Proc., 6th Can. Conf. on Earthquake Engrg., University of Toronto Press, Toronto, 367–374.
4.
Chen, Z. H. ( 2000). “Vibration control of large truss towers subject to strong winds and earthquake.” PhD thesis, Coll. of Civ. Engrg. and Arch., Wuhan University of Technology, Wuhan, China.
5.
Dowdell, D. J., and Cherry, S. ( 1994). “Semi-active friction dampers for seismic response control of structures.” Proc., 5th U.S. Nat. Conf. on Earthquake Engrg., Chicago, Vol. 2, 819–828.
6.
Dowdell, D. J., and Cherry, S. ( 1996). “On passive and semi-active friction damping for seismic response control of structures.” Proc., 11th World Conf. on Earthquake Engrg., Paper No. 957., Elsevier Science Ltd. U.K.
7.
Feng, M. Q., Shinozuka, M. Q., and Fujii, S. (1993). “Friction controllable sliding isolation system.”J. Engrg. Mech., ASCE, 119(9), 1845–1864.
8.
Inaudi, J. A. ( 1997). “Modulated homogeneous friction: A semi-active damping strategy.” Earthquake Engrg. and Struct. Dyn., 26, 361–376.
9.
Kannan, S., Uras, H. M., and Aktan, H. M. ( 1995). “Active control of building seismic response by energy dissipation.” Earthquake Engrg. and Struct. Dyn., 24, 747–759.
10.
Pall, A. S., Marsh, C., and Fazio, P. ( 1980). “Friction joints for seismic control of large panel structures.” J. Prestressed Concrete Inst., 25(6), 38–61.
11.
Shinozuka, M., and Deodatis, G. ( 1991). “Simulation of stochastic processes by spectral representation.” Appl. Mech. Rev., 44, 191–203.
12.
Soong, T. T., and Dargush, G. F. ( 1997). Passive energy dissipation systems in structural engineering, Wiley, Chichester, U.K.
13.
Yang, J. N., Akbarpour, A., and Ghaemmaghami, P. (1987). “New optimal control algorithms for structural control.”J. Engrg. Mech., ASCE, 113(9), 1369–1386.
Information & Authors
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Published In
Journal of Structural Engineering
Volume 127 • Issue 8 • August 2001
Pages: 861 - 868
History
Received: Apr 26, 2000
Published online: Aug 1, 2001
Published in print: Aug 2001
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