Project Findings: Appendix 2

Transcription

1 NSF Final Report CMMI Project Findings: Appendix 2 Selected Damage Photos of Engineered Buildings PART 1. St. Louis Gonzague Cafeteria Building Civil Engineering and Engineering Mechanics Department University of Arizona 18 September

2 Fig. A2-1. Plan view of the one-story cafeteria building with column lines indicated. Fig. A2-2. Front view of cafeteria with (1) East dining hall to the left; (2) Kitchen region in center; and (3) West dining hall to the right. 18 September

3 18 September

4 Fig. A2-3. Inner Courtyard: (a) Front View of East Wing; (b,c) Views of East Dining Area; (d) View of Kitchen Area. 18 September

5 H1-3 H1-2 Fig. A2-4. Inner Courtyard Foundation Views: (a) Kitchen showing cantilever pier columns; (b) West Wing showing rip-rap stem wall and pipe supports for outrigger floor beams and roof panels. 18 September

6 J1-5 J1-6 J1-7 J1-8 Fig. A2-5. Cafeteria Exteriors, West Face: (a) Exterior looking toward front of building; (b) Rear. 18 September

7 J-9 I-9 Fig. A2-6. Cafeteria Exteriors: Composite of back (south) face of West Wing. A1-1 A September

8 18 September

9 A1-0 Fig. A2-7. Cafeteria Exteriors East Face, East Front Porch Bay from A1-0 to A1-1: (a) Overall view; (b) Close-up of porch frame top beam showing spalling at top and cracking at bottom of intermediate strut; (d) Close-up of floor beam region indicating in-plane interface cracking of partial height parapet wall. 18 September

10 A1-1 A1-0 a b A1-2 A September

11 A1-2 b A1-1 A1-2 A1-1 b Fig. A2-8. Cafeteria Exteriors East Face, Typical Damage to Window Wall Frame: (a) Horizontal splitting crack along partial height parapet wall; (b) View of typical Bay showing window struts only at quarter points; (c) typical damage at the window strut top; (d) typical damage at the window strut bottom. 18 September

12 A1-3 A1-2 a A1-6 A1-5 b Fig. A2-9. Cafeteria typical damage at window strut bottom: (a) at joint; (b) above joint. 18 September

13 A1-7 A September

14 A1-7 A September

15 A1-6 Fig. A2-10. Cafeteria Exteriors East Face, Rear of East Wing: (a) Overall View (note moment frame A and gravity frame B in interior background); (b) crack in upper beam originating from door jamb; (c) damage to window pier at A1-7; (d) Close up of in-plane failure of window wall column at A1-7; (e) Close up of in-plane failure of window wall column at A September

16 B-8 B-7 A-8 A-7 A September

17 A1-7 A-7 Fig. A2-11. Cafeteria East Rear Courtyard: (a) Partial/Full Height Masonry Infill Walls at Col Lines 8, 7; (b) Frame at A1-8 (weathering); (c) Column joint damage at A1-7; (d) Column base damage at A September

18 C1-1 C1-2 C1-2 C1-3 Fig. A2-12. Cafeteria Exteriors East Wing West Face, Window Pier damage at C1: (a) in plane damage at column C1-1 and horizontal cracking through pier infill; (b) horizontal crack moves to interface. 18 September

19 C1-4 C1-5 Fig. A2-13. Cafeteria Exteriors East Wing West Face, Typical Window strut damage: (a) top of strut, which occurred always at joint; (b) bottom of strut which sometimes occurred at joint. 18 September

20 C1-5 C September

21 C1-6 C-6 Fig. A2-14. Cafeteria Exteriors East Wing West Face, Window wall damage at rear: (a) View of Bay C1-; showing separation at the end of the window wall; (b) close-up of damage at kitchen interface with pounding damage at C6 visible in the background. 18 September

22 A1-0 A1-1 b a A1-0 Fig. A2-15. Cafeteria Exteriors East Wing East Face from Interior: (a) Bay A1-0, 1; (b) Damage at A September

23 A1-0 b a A1-1 A1-0 Fig. A2-16. Cafeteria East Wing East Face from Interior at intermediate struts (See Fig. A2-7a for exterior view). 18 September

24 A1-1 b a A1-2 a Fig. A2-17. Cafeteria East Wing East Face from Interior, bay A1-1 to A1-2, indicating in plane (N-S) frame action with significant compression at the leading toe (racking toward rear of building). 18 September

25 A1-2 A1-3 b a a Fig. A2-18. Cafeteria East Wing East Face from Interior, bay A1-2 to A1-3, indicating in plane (N-S) frame action with significant reversal. 18 September

26 b Fig. A2-19. Cafeteria East Wing East Face from Interior, bay A1-5 to A1-6, indicating in plane (N-S) frame action with significant reversal. Fig. A2-20. Cafeteria East Wing East Face from Interior, A1-6 to A1-7 (See Fig. A2-8 for exterior view). 18 September

27 A1-0 A-0 A-1 18 September

28 A-0 A1-0 A-0 A1-0 Fig. A2-21. Cafeteria East Wing North Face: A1-0 to A-0: (a) exterior; (b) interior; (c) parapet damage. 18 September

29 A1-1 A-1 18 September

30 A-1 A1-1 Fig. A2-22. Cafeteria East Porch A1-1 to A-1: (a) Exterior looking south; (b) Interior looking north. 18 September

31 H1-1 H1 H1 H September

32 H1-1 H1 H-0 H1-0 Fig. A2-23. Stair entrance West Wing Column Damage; (a) Overall; (b) Column bases; (c) Upper region; (d) In-plane damage to parapet wall at West Wing Stairs. 18 September

33 Fig. A2-25. Column B-0, part of one bay moment frame at front of East Wing gravity column line B. 18 September

34 Fig. A2-26. West Wing Porch Region at West end: (a) Front view; (b) view down the porch. 18 September

35 J-1 J September

36 J1-1 J1-1 J1-0 Fig. A2-27. West Wing Porch Region at West end. 18 September

37 (a) East Wing between Column Lines A and C (b) West Wing between Column Lines H and J Fig. A2-28. Post-Earthquake State of Partial Height Infill Walls on Column Line 1, Exterior View. 18 September

38 (a) East Wing between Column Lines A and C (b) West Wing between Column Lines H and J Fig. A2-29. Post-Earthquake State of Partial Height Infill Walls on Column Line 1, Interior View. 18 September

39 Fig. A2-30. Post-Earthquake State of Central Columns Line 1: (a) East Wing B; (b) West Wing I. Fig. A2-31. Post-Earthquake State of Central Columns Line 1,West Wing I: (a) damage at joint I1; (b) out of plane failure of masonry infill wall at door jamb. 18 September

40 Fig. A2-32. Close up of post-eq State of Column Line 1 central columns. Buckled bars in joint region #2 4 o.c. at col ends No ties in joint (beam projection) Fig. A2-33. Close up of post-eq State of Moment Frame Columns in the dining area. 18 September

41 Roof Barrell Shell Unit Cap Beam Detail Rigid Beam Joint J4 I3 I2 Circular Gravity Column Moment Frame Fig. A2-34a. Vaulted concrete shell roof supported by moment frame at end (column line J with window wall J1 in background) and gravity frame at midspan (circular columns on line I). N-S Gravity Frame E-W Roof Panel N-S Gravity Frame Circular Gravity Column B2 Fig. A2-34b,c. Close-up of top of Gravity column B September

42 Roof Barrell Shell Unit Rigid Beam Joint Window Wall C1 Moment Frame Column C5 Fig. A2-35. Moment frame columns: (a) Line C showing C5; (b) Column A3. 18 September

43 Fig. A2-36. Moment frame columns faces: (a) Line C showing C5; (b) Column A3. 18 September

44 Roof joint damage Spandrel beam splitting Roof joint damage C7 C6 C1-6 H1-6 H6 H7 Pounding damage Pounding damage Window Wall damage Pounding damage Pounding damage Fig. A2-37. Pounding Damage at cafeteria building expansion joints: (a) Column C6; (b) Column H6. 18 September

45 A-7 A-7 18 September

46 B-7 B-7 18 September

47 B-7 C-7 Fig. A2-38. Full-height infill wall along column line 8 (See Fig. A2-9a for exterior view) 18 September

48 B-8 B-7 Fig. A2-39. Framing across the courtyard at column lines 7 and 8 with pounding damage in kitchen wall in the background. 18 September

49 Transverse crack across barrel roof at moment frame beams Longitudinal crack along barrel roof peak Longitudinal crack along barrel roof spandrel 18 September

50 Longitudinal crack along barrel roof spandrel Fig. A2-40. Cracking in Concrete Roof Panels; Map of Roof Panel. 18 September

51 Fig. A2-41. Kitchen Region: Overall Views. 18 September

52 Fig. A2-42. Kitchen Region: (a) Columns; (b) Shear Wall showing shear crack and beam spalling. 18 September

53 Fig. A2-43. Rear of Kitchen: (a) Shear Crack in wall at kitchen rear door; (b) Stairs to bottom level. 18 September

54 Fig. A2-44. Cafeteria SouthEast Exterios: (a) Collapsed sunshade over rear stairs; (b) South east corner showing minimal damage (note repair region). 18 September