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Click below to download any of the four documents:

ANSI/AISC 358-16a Chapter 14 - SlottedWeb Moment Connection
ICC ESR-1093
Design Rationale

SSDA Seismic Retrofit Design Methodology for Pre-Northridge Connections

 

Accumulated Seismic Connection Damage

"Results of cyclic cantilever beam-to-column connection tests are used herein to evaluate both the fracture modes and the accumulated seismic connection damage of the pre-Northridge (pre-N), Dogbone (RBS) and Slotted Web (SW) connections.

Presented at the SEAOC Convention September 2001, San Diego, CA

(download complete paper below in PDF format)

 

DOWNLOAD HERE

 


 

Low Cycle Fatigue


"Low Cycle Fatigue Tests and Fracture Analyses of Bolted-Welded Seismic Moment Frame Connections"
Presented at the STESSA Conference August 2000
(download text and figures below in PDF format)

 

Report Text


Figures 1-10
Figures 11-19
Figures 20-33



"STEEL MOMENT FRAME DAMAGE PREDICTIONS USING LOW-CYCLE FATIGUE"
Presented at the 14th World Conference on Earthquake Engineering, October 12-17, 2008, Beijing, China
(download text and figures below in PDF/PPT format)

 


Notes
PowerPoint Presentation


 


 

Lateral Bracing of Seismic Beams


DOWNLOAD HERE


 

The Fundamental Flaw in the "pre-Northridge" Moment Frame Connection


DOWNLOAD HERE


 

Development of Fracture Toughness Requirements for Weld Metals in Seismic Applications


DOWNLOAD HERE


 

Effect of Large Alternating Strains of Steel Beams


DOWNLOAD HERE


 

Guidelines for Cyclic Seismic Testing of Components of Steel Structures


DOWNLOAD HERE


 

Recommendations for Experimental Studies on the Seismic Behavior of Steel Components and Materials


DOWNLOAD HERE


 

Development of Loading Histories for Testing of Steel Beam-to-Column Assemblies


DOWNLOAD HERE

Additional Approval Reports

City of Los Angeles
Research Report: RR 25614

OSHPD Testing
OSHPD Approval Testing for El Camino Replacement Hospital

Full Report


Inelastic Rotation vs. Amount of Displacement - Specimen 1
Inelastic Rotation vs. Amount of Displacement - Specimen 2A
Inelastic Rotation vs. Amount of Displacement - Specimen 3A
OSHPD Approval Memo from Tom Hale