1. Pins in Holes Shear Panels Rev 0 Stress Analysis By Leonard Myatt & ORNL Myatt Consulting, Inc.

2. 02 Feb 2007Pins in Holes2 Background Properly preloaded bolts have preliminarily been shown to secure their region of the flanges. Requires Friction  ~0.25 at A-B & B-C Preliminary results show A-A could be trouble C-C is TBD Still need to develop a method of securing the inboard legs, which works with less than ideal fit- up (gaps) To this end, we offer Pins in Holes Shear Panels

3. 02 Feb 2007Pins in Holes3 Pins in Holes Shear Panels Concept Courtesy ORNL

4. 02 Feb 2007Pins in Holes4 Need to determine the loads that Must be Carried by this Shear Connection Go to the Global model with bonded Inboard Legs.

5. 02 Feb 2007Pins in Holes5 Integrate shears over little “arcs” at each Inboard Leg Interface

6. 02 Feb 2007Pins in Holes6 The Hard Numbers (BC) Each point Represents ~3” long Arc length

7. 02 Feb 2007Pins in Holes7 As Shear Stress (BC)

8. 02 Feb 2007Pins in Holes8 Parametric Model (3x2 sample)

9. 02 Feb 2007Pins in Holes9 Displacements

10. 02 Feb 2007Pins in Holes10 Stress (not a slam-dunk yet)