06 Titanic Challenger Bhopal - CEE 597 L t Lecture 6...

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CEE 597 – Lecture 6 TANIC TITANIC, CHALLENGER & COLUMBIA, HOPAL BHOPAL 31 January 2007 Jery Stedinger Lecture 06 1
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CEE 597: Where We Are Mon Fly versus Drive : Read article in packet ed hat is a fail re? Titanic Three Mile Island Wed What is a failure? Titanic, Three Mile Island Read page 1 of Chapter 9 Bignell & Fortune Read TMI article passed out Monday Fri Finish TMI; Challenger & Columbia Read Challenger, and respective articles in packet. H omework #1 due; Homework #2 distributed on hopal Natural Hazards Terrorism & Threat Assesment Mon Bhopal, Natural Hazards, Terrorism & Threat Assesment Bhopal, Zillman and Zimmerman in Natural Disaster Management ohn ncertain World; Hass ioterrorism 31 January 2007 Jery Stedinger Lecture 06 2 Cohn - Uncertain World; Hass - Bioterrorism
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hat is failure? What is failure? 31 January 2007 Jery Stedinger Lecture 06 3
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Titanic Newpaper 31 January 2007 Jery Stedinger Lecture 06 4
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reat Ship Titanic Sinks Great Ship Titanic Sinks 31 January 2007 Jery Stedinger Lecture 06 5
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Bignell and Fortune, nderstanding System Failures Understanding System Failures hapter 9 ystems and Failures Chapter 9 – Systems and Failures Failures often look like a short linear chain of events ending in failure: tanic hits iceberg; Titanic hits iceberg; hole in hull; ship sinks; people drown. Contained in course packet. 31 January 2007 Jery Stedinger Lecture 06 6
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Bignell and Fortune, nderstanding System Failures Page Understanding System Failures Page Chapter 9 – Systems and Failures ilures often look like a short linear chain Failures often look like a short linear chain of events ending in failure: Titanic hits iceberg; hole in hull; ship sinks; people drown. 31 January 2007 Jery Stedinger Lecture 06 7
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System Failure: Titanic Disaster OR teaming at 22 knots! Steaming at 22 knots! Ship thought to be unsinkable Could float with 4 of 16 compartments damaged Estimates are that 6 were damaged by 300 foot gash s a es a e a 6 e e da aged by 300 oo gas Or was it a problem with unknown properties of steel plate. No International Ice Patrol Liner California was 20 miles distance and sailed away No radio operator on duty Lifeboats for 1,200 but 2,200 people aboard! Met regulations which were based upon tonnage gp g not number of passengers. Where did failure start? 31 January 2007 Jery Stedinger Lecture 06 8
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Titanic Disaster–Or was it mateials? Or was the failure because we did not nderstand understand properties of the steel? Do we every completely nderstand understand properties of our engineered systems? 31 January 2007 Jery Stedinger Lecture 06 9
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Character of System Failure • System performance is judged to be unsatisfactory when: ) below well- efined standard (i) below well defined standard (ii) below expectations (iii) significant losses occur Can have catastrophic losses, minor losses, or just missed opportunities Partial or complete failure p Slow or sudden Failure is often multicausal with multiple effects 31 January 2007 Jery Stedinger Lecture 06 10 p
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Challenger and Columbia Shuttles 31 January 2007 Jery Stedinger Lecture 06 11
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Opening 31 January 2007 Jery Stedinger Lecture 06 12
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06 Titanic Challenger Bhopal - CEE 597 L t Lecture 6...

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