Natural Hazard Resilience in Iran
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Natural Hazard Resilience in Iran

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Natural Hazard Resilience in Iran Natural Hazard Resilience in Iran Presentation Transcript

  • A Perspective on Natural Hazard Resilience in Iranian CitiesDavid AlexanderUniversity College London
  • The rosebud and the soulWrite mysteries on their margins,Fold by fold,Stay closed,And wait.Hafez Shirazi
  • BENIGN (healthy) at the service of the peopleIDEOLOGY interplay dialectic CULTURE MALIGN (corrupt) at the service of vested interestsJustification Development [spiritual, cultural, political, economic]
  • Aspects ofpreparedness in Iran
  • Earthquake preparedness information campaigns
  • Seismic monitoring
  • Civil protectionand emergency response
  • Emergency planning
  • Critical infrastructure protection
  • The complexity and diversity ofIranian urban environments presentsa challenge to disaster risk reduction
  • Tehran• 8-16 million inhabitants• three fault systems: mag. 6.9-7.1• last major quake 1840: seismic gap?• 50% building stock not antiseismic• predicted 400,000 deaths.
  • Elements of vulnerability and resilience of historic buildings in IranContrasting Sinān with Bahā al-dīn al-Āmilī
  • Islamic architecture and dynamic hazards • domes and vaults: heavy and rigid • arches: shallow and round-headed • minarets: tall, slender and fragile = rigidity, spreading stress distribution, high centre of mass.
  • Mitigating factors in Iran• widespread use of acute arch (stress distribution more contained)• high quality of masonry and design• use of flexible, energy- absorbing wooden spacers.
  • An unknown quantity...
  • Problems ofEnvironmental Protection
  • Where theres no sign of hope in the desertSo much hope still lives inside despairHeart, dont kill that hope,Even willows bear sweet fruitIn the garden of the soul.Maulana (Jalāl ad-Dīn Muhammad Rūmī)Kolliyat-e-Shams-e-Tabrizi
  • Kheyli mamnoon va khoda hafez! david.alexander@ucl.ac.ukemergency-planning.blogspot.comwww.slideshare.net/dealexander