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Disaster Epidemiology Lessons From Bam Earthquake

Disaster Epidemiology Lessons From Bam Earthquake Dec 26, 2003 Iran Part 6 : Buildings structure and death in Bam earthquake. Ali Ardalan MD, MPH, PhD student in Epidemiology. 1. Learning objectives :

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Disaster Epidemiology Lessons From Bam Earthquake

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  1. Disaster Epidemiology Lessons From Bam Earthquake Dec 26, 2003 Iran Part 6: Buildings structure and death in Bamearthquake Ali Ardalan MD, MPH, PhD student in Epidemiology 1

  2. Learning objectives: • To learn about the main structure of buildings in Bam • To understand the importance of supervision on considering the seismic code • To understand the association of buildings structure and death in Bam earthquake 2

  3. Collapse state of houses based on a cross-sectional study on 19th and 20th days of post-disaster period in Bam 3

  4. Total collapse of a clay and mud brick building in Bam 4

  5. Resistance of the curved roof in an old-style building in Bam 5

  6. Other examples of curved roofs resistance in the old-style buildings in Bam 6

  7. Other examples of curved roofs resistance in the old-style buildings in Bam 7

  8. A collapsed old-style building in Bam: Mud bricks bearing walls, with steel roof 8

  9. A collapsed modern-style building with lack of adequate lateral resistance 9

  10. Comparing resistance of buildings with and without bracing in Bam 10

  11. Collapse of the attic on to a house entrance in Bam 11

  12. Appropriate bracing on two sides of “Kimia building” in Bam & formation of soft ground 12

  13. Two buildings opposite each other in one street in Bam 13

  14. Non-damaged steel framed buildings with bracing in Bam 14

  15. Non-damaged Central mosque of Bam 15

  16. Death and injuries in direct relation to Bam earthquake based on a cross-sectional study • Death: 18% • Injuries: 48% • Hospitalization of injured: 32 % • Hospitalization of total: 13 % 16

  17. The most important determinant variable of direct related death to Bam earthquake, based on a cross-sectional study Building collapse status (Total / Partial-None) OR = 5.15 (CI 95%: 3.85-6.88 ) 17

  18. Conclusion: • Because structural collapse is the single greatest risk factor, priority should be given to seismic safety in land-use planning and in the design and construction of safer buildings. 18

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