Civil Engineering Association

Paper:
Ductile Concentrically Braced Frames Using Slotted Bolted Joints

Info:
Butterworth, J., Ductile Concentrically Braced Frames Using Slotted Bolted Joints, SESOC Journal, Vol. 13, No. 1, 2000.

Summary
The use of passive energy dissipating devices to protect structures from seismic damage is starting to receive more attention. This paper explores the use of such a device, the slotted bolted joint, as a means of providing concentrically braced frames (CBFs) with similar levels of ductility to moment-resisting frames whilst avoiding the associated plastic hinge damage. The benefits of this approach include the ability to consider CBFs as potential candidates for stiff, lightweight seismic-resisting systems, with the promise of lower repair costs after a damaging seismic event. In this preliminary study, sample joints are described and some results based on time-history analyses of a trial 6 storey structure subjected to a range of ‘inelastic demandlevel’ earthquake records presented. Structure ductility factors ranging from 6.7 to 18.6 were observed with maximum drift levels well within code limits.

Does anyone have "Behaviour of steel structures in seismic areas, STESSA 2003 by Federico M. Mazzolani" ebook? I need the paper "Experimental and analytical evaluation of chevron braces with slotted brace-to-beam connections" from this book. Thanks to the uploader by now.

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