Meeting 2 of the BSSC PUC Issue Team on Shear WallsKPFF Consulting Engineers

1601 Fifth Avenue, Suite 1600, Seattle, WA 98101

November 2 and 3, 2016

Tentative Agenda

1. Call to order

2. Self-introductions

3. Opening remarks

4. Summary of meeting of August 29-30, 2016

5. Presentation on definition of coupled walls by Dave Fields

6. Follow-up presentation by Joe Ferzil

7. Follow-up on Dawn Lehman’s presentation from Meeting 1:

Aspects of coupled walls requiring enhanced design attention such as shear migrating to the compression pier.

R-values for structural systems with coupled and isolated shear walls

Coupled walls discontinued down the height of a building

8. Presentation on changes in special shear wall detailing being processed by ACI 318H by Laura Lowes and Andy Taylor

9. Jack Moehle’s presentation before ACI 318H on 10/25/16 on column and wall shear

10. Identification of problems in the shear design of shear walls

ACI determination of required shear strength

Φ-factor used in shear design of shear walls

Flexural overstrength

Dynamic amplification

Shear strength of concrete under high compression and high rate of loading

Others

11. John Wallace’s presentation before ACI 318H on 10/25/16 by John Wallace

12. Thoughts from Gino Kurama on any special treatment needed for precast walls or hybrid walls

13. Masonry shear walls recap

14. Steel shear walls recap by Jeff Berman

15. Wood shear walls recap by Kelly Cobeen

16. Other research or design problems known to attendees

17. Exploration of possible areas of improvement in current design practices

18. Discussion and decisions on work to be undertaken by IT

19. Assignments

20. Next meeting

21. Adjourn