Cyclic Behavior of Double Angle Connections
Publication: Journal of Structural Engineering
Volume 115, Issue 5
Abstract
An investigation was conducted to study behavior of steel double angle framing connections under severe cyclic loading of earthquakes. The studies consisted of subjecting six connection assemblages to an increasing level of large cyclic rotations until failure occurred. The connection angles were bolted to the column flange and welded to the beam web. Structural ribbed bolts taken from an existing building and high strength A325 bolts were used in test specimens. The structural ribbed bolts failed in cyclic tension when connection experienced rotations larger than 0.025 radians. Behavior of connections with A325 high strength bolts tightened to 70% of their proof loads was satisfactory and ductile. However, in these specimens, cyclic fracture of angles started when connection rotation exceeded 0.025 radians. Results of hysteresis behavior, failure modes, and variations of bolt forces are presented. Also, information is provided on applying the findings to dynamic analysis and design of steel structures with double angle connections.
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References
1.
Ackroyd, M. H., and Gerstle, K. H. (1982). “Behavior of Type 2 steel frames.” J. Struct. Div., ASCE, 108(7).
2.
Astaneh, A., and Nader, M. N. (1987). “Experimental studies of cyclic behavior of double angle framed beam connections.” Research Report, Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif.
3.
Birkemoe, P. C., and Gilmore, M. I. (1978). “Behavior of bearing critical doubleangle beam connections.” Engrg. J., AISC.
4.
Bjorhovde, R. (1988). “Test of double angle connections.” Report in Progress, Dept. of Civ. Engrg., Univ. of Pittsburgh, Pittsburgh, Pa.
5.
Chen, W.‐F., ed. (1985). “Connection flexibility and steel frames.” Proc. of session sponsored by Struct. Div., ASCE Convention, Detroit, Mich.
6.
Fisher, J. W., and Struik, J. H. A. (1976). Guide to design criteria for bolted and riveted joints. John F. Wiley and Sons, New York, N.Y.
7.
Frye, J. M., and Morris, G. A. (1975). “Analysis of flexibly connected steel frames.” Can. J. Civ. Engrg., 2.
8.
Kennedy, D. J. L. (1969). “Moment rotation characteristics of shear connections.” Engrg. J., AISC.
9.
Lewitt, C. W., Chesson, E., Jr., and Munse, W. H. (1969). “Restraint characteristics of flexible and bolted beam‐to‐column connections.” Univ. of Illinois, Engrg. Experiment Station, Bull. Number 500.
10.
Lipson, S. L. (1968). “Single angle and single plate beam framing connections.” Can. Struct. Engrg. Conference.
11.
Lipson, S. L. (1977). “Single angle welded‐bolted connections.” J. Struct. Div., ASCE, 193(ST3).
12.
Loinberger, S. R., and Weaver, W., Jr. (1969). “Dynamic response of frames with non‐rigid connections.” Engrg. Mech. Div., ASCE, 95(EM1), 95–114.
13.
Manual of steel construction. (1980). 8th Ed., American Inst. of Steel Constr.
14.
Munse, W. H. (1976). “Fifty years of riveted, bolted, and welded steel construction.” J. Constr. Div., ASCE, 102(CO3).
15.
Munse, W. H., Bell, W. G., and Chesson, E., Jr. (1900). “Behavior of beam‐to‐column connections.” Bulletin, Dept. of Civ. Engrg., Univ. of Illinois, Urbana, Ill.
16.
Sommer, W. H. (1969). “Behavior of welded header plate connections.” thesis presented to the University of Toronto, at Toronto, Ontario, Canada, in partial fulfillment of the requirements for the degree of Master of Science.
17.
“Standard methods of tension testing of metallic materials.” (1986). ASTM Standard, Designation E6, American Society of Testing Materials.
18.
“Structural rib bolts used with Anco‐Nuts more economical than riveting.” Pamphlet, Automatic Nut Company, Lebanon, Pa., undated.
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Copyright © 1989 ASCE.
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Published online: May 1, 1989
Published in print: May 1989
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