Cyclic Behavior of Shear Links of Various Grades of Plate Steel
Publication: Journal of Structural Engineering
Volume 136, Issue 4
Abstract
Plate steel shear links offer enhanced design freedom, including the ability to use steel grades that are not available in rolled shapes. This paper discusses the cyclic response of five types of shear links designed using steel grades that ranged from 485 to 100 MPa yield strength. The design and subsequent performance was categorized into two groups; conventional design and those designed without stiffeners using low yield point steels. Ductile failure modes and desirable hysteretic behavior that resulted in efficient cyclic energy dissipation were observed for all specimens. The links designed without stiffeners using low yield point steel reached shear deformations exceeding 0.20 rad, outperforming the conventional designs that exhibited approximately 0.12 rad capacity. The enhanced performance was the result of shifting the failure mode by excluding intermediate stiffeners and providing low web compactness. This combination eliminated welding and decreased measured plastic strain demands on the face of the inelastically deforming webs.
Get full access to this article
View all available purchase options and get full access to this article.
Acknowledgments
This research was funded by the California Department of Transportation (Caltrans) via the toll bridge retrofit program through the University of California, San Diego and the Federal Highway Administration through the Highway Project at the MCEER Center at the State University of New York at Buffalo. Donations of high performance steel from Oregon Steel Mills in Portland, Oregon, and low yield point steel from Nippon, Japan, are gratefully acknowledged.
References
AISC. (2002). Seismic provisions for structural steel buildings, AISC, Chicago.
AISC. (2005). Seismic provisions for structural steel buildings, AISC, Chicago.
Barsom, J. M. (1996). “High-performance steels.” Advanced Materials & Processes, ASM International, 149(3), 27–31.
Chao, S. H., Khandelwal, K., and El-Tawil, S. (2006). “Ductile web fracture initiation in steel shear links.” J. Struct. Eng., 132(8), 1192–1200.
Dusicka, P., Itani, A. M., and Buckle, I. G. (2004). “Finite element investigation of steel built-up shear links subjected to inelastic deformations.” Earthquake Eng. Eng. Vib., 3(2), 195–203.
Dusicka, P., Itani, A. M., and Buckle, I. G. (2007). “Cyclic response of plate steels under large inelastic strains.” J. Constr. Steel Res., 63(2), 156–164.
Engelhardt, M. D., and Popov, E. P. (1989). “Behavior of long links in eccentrically braced frames.” Rep. No. UCB/EERC-89/01, Earthquake Engineering Research Center, Berkeley, Calif.
Hjelmstad, K. D., and Popov, E. P. (1986). “Seismic behavior of active beam links in eccentrically braced frames.” Rep. No. UCB/EERC-86/15, Earthquake Engineering Research Center, Berkeley, Calif.
Itani, A. M., Elfass, S., and Douglas, B. M. (2003). “Behavior of built-up shear links under large cyclic displacement.” Eng. J., 40, Part 4, 221–234.
Kasai, K., and Popov, E. P. (1983). “A study of seismically resistant eccentrically braced steel frame systems.” Rep. No. UCB/EERC-83/01, Earthquake Engineering Research Center, Berkeley, Calif.
Kasai, K., and Popov, E. P. (1986). “Cyclic web buckling control for shear link beams.” J. Struct. Eng., 112(3), 505–523.
McDaniel, C. C., Uang, C. M., and Seible, F. (2003). “Cyclic testing of built-up steel shear links for the New Bay Bridge.” J. Struct. Eng., 129(6), 801–809.
Nader, M., Lopez-Jara, J., and Mibelli, C. (2002). “Seismic design strategy of the new San Francisco-Oakland Bay Bridge self-anchored suspension span.” Proc., Third National Seismic Conf. & Workshop on Bridges & Highways, MCEER Publications, State University of New York, Buffalo, N.Y.
Okazaki, T., Arce, G., Ryu, H. C., and Englehardt, M. D. (2005). “Experimental study of local buckling, overstrength and fracture of links in eccentrically braced frames.” J. Struct. Eng., 131(10), 1526–1535.
Okazaki, T., and Engelhardt, M. D. (2007). “Cyclic loading behavior of EBF links constructed of ASTM A992 steel.” J. Constr. Steel Res., 63, 751–765.
Popov, E. P., and Malley, J. O. (1983). “Design of links and beam-to-column connections for eccentrically braced steel frames.” Rep. No. UCB/EERC-83/03, Earthquake Engineering Research Center, Berkeley, Calif.
Ricles, J., and Popov, P. (1987). “Dynamic analysis of seismically resistant eccentrically braced frames.” Rep. No. UCB/EERC-87/07, Earthquake Engineering Research Center, Berkeley, Calif.
Roeder, C. W., and Popov, E. P. (1978). “Eccentrically braced frames for earthquakes.” J. Struct. Div., 104(3), 391–412.
Sahai, R., Laws, J. W., Chen, D., Kong, F., and Castillo, F. (2002). “Performance-based seismic design of 4-story Moscone Convention Center expansion using steel ‘coupled girder moment resisting frame’ (CGMRF) and friction dampers.” Proc., SEAOC 71st Annual Convention, Structural Engineers Association of California (SEAOC), Santa Barbara, Calif.
Wright, W. J. (1997). “High performance steel: Research to practice.” Public Roads, Spring Issue, 34–38.
Yamaguchi, T., et al. (1998). “Seismic control devices using low-yield-point steel.” Nippon Steel Technical Rep. No. 77, Nippon Corp., Japan.
Yost, L., and Funderburk, S. (2001). “High-performance steels increasingly used for bridge building.” Weld. J. (London), 80(9), 46–48.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 136 • Issue 4 • April 2010
Pages: 370 - 378
Copyright
© 2010 ASCE.
History
Received: Feb 2, 2009
Accepted: Aug 24, 2009
Published online: Oct 8, 2009
Published in print: Apr 2010
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.