American Society of Civil Engineers

Inelastic Seismic Response of Frame Fasteners for Steel Roof Deck Diaphragms

by Colin A. Rogers, (Asst. Prof., Dept. of Civ. Engrg. and Appl. Mech., McGill Univ., Montreal QC, Canada H3A 2K6) and Robert Tremblay, (Prof., Dept. of Civ., Geological and Mining Engrg., École Polytechnique, Montreal QC, Canada H3T 1J4)

Journal of Structural Engineering, Vol. 129, No. 12, December 2003, pp. 1647-1657, (doi:

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Document type: Journal Paper
Abstract: An experimental program was undertaken to investigate the inelastic seismic response of metal deck roofing systems. The load carrying capacity of roof diaphragms for low-rise steel buildings, subjected to lateral loads from wind and/or earthquakes, is directly dependent on the performance of the connections. This paper provides information on the inelastic cyclic response, including load versus displacement hysteresis and energy absorption capacity of 144 deck-to-frame screwed, powder-actuated fastener, and welded connection tests for different steel deck and structure thickness. Powder-actuated fastener connections were able to provide the highest energy dissipation results, followed closely by screwed connections. In many cases, the welded connections exhibited significant ultimate capacities, but failed at small displacements, resulting in low energy dissipation values. However, when welds with washers were used, the ductility and energy absorption ability of the connection were substantially improved.

ASCE Subject Headings:
Energy efficiency
Steel frames
Seismic effects
Steel structures