Steel Tips

ssobhan · (This post was last modified: 08-13-2013, 04:20 PM by ssobhan.)

Seismic Design of Buckling-Restrained Braced Frames

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Another collection of Steel tips;

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ssobhan · 08-14-2013, 07:00 PM

A Comparison of Frame Stability Analysis Methods in AISC 360-05

This Steel TIPS illustrates four methods for stability analysis and design of steel frames. Design examples are provided for a one-bay frame and a three-bay frame. This Steel TIPS is a reprint of a paper from the Third Quarter/2008/ Engineering Journal.

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fred2010 · (This post was last modified: 08-14-2013, 07:39 PM by fred2010.)

Seismic Detailing of Gusset Plates for Special Concentrically Braced Frames

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This Steel Technical Information and Product Services (Steel TIPS) report focuses on
providing information to steel fabricators, detailers, and structural engineers on detailing gusset
plates in special concentrically braced frames (SCBFs). Current seismic design requirements
(AISC 2005c) for special concentrically braced frames permit braces that buckle out of the plane
of the gusset to be designed with pinned ends if a detail can be provided that allows for the end
rotation that is expected from the buckling of the brace. Tests by Astaneh-Asl, Goel, and Hanson
(1982) using hinge-zone lengths of zero, t, 2t, and 4t showed that the length of 2t is sufficient to
accommodate the expected cyclic rotation of the end of the bracing member as it undergoes
cyclic buckling. Note that the parameter t is the thickness of the gusset plate. The specimens with
hinge-zone length of less than 2t did not perform in a sufficiently ductile manner to be qualified
for use in special concentrically braced frames. Satisfying this requirement in design offices or
fabricating shops can be an iterative and sometimes a time-consuming process. The main goal of
this report is to provide assistance in this regard by presenting simple and closed-form equations
that can be used in detailing the gusset plate without a need for iterations. The equations that are
given in this report can be programmed into a spreadsheet to calculate the dimensions of the
gusset plate automatically. One such spreadsheet has been developed by the first author, A.
In addition, this Steel TIPS report provides a number of suggested details for special
concentrically braced frame gusset plates that can assist design professionals as well as steel
fabricators and erectors in proper and economical detailing. Appendix A provides suggestions
for improved details. Appendix B provides information on gusset-plate detailing when the beam
is sloped, and Appendix C is on gusset plates at the base of columns.

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ssobhan · 08-14-2013, 09:56 PM

Seismic Detailing of Gusset Plates for Special Concentrically Braced Frames

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ssobhan · (This post was last modified: 01-13-2014, 08:26 PM by ssobhan.)

Mirror;
A Comparison of Frame Stability Analysis Methods in AISC 360-05

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ronnie_150 · 11-04-2017, 08:54 PM

Please somebody help me by providing me this 7 steel tips books-
07.2011 > Steel Plate Shear Walls - Performance Based Design
07.2011 > Welding of Seismically-Resistant Steel Structures
03.2011 > The Design of Continuity Plate Welds in Special Moment Frames
04.2010 > Steel Plate Shear Walls: An Option for Lateral Resistance in High-Rise Core Wall Buildings
12.2009 > Economy of Steel-Framed Buildings For Seismic Loading
09.2008 > Quality Assured Steel Bridge Fabrication and Erection
04.2008 > Cost-Effective Steel Bridge Fabrication and Erection