Engineers’ Reaction Strong To Seven WTC Collapse Report - ENR | McGraw-Hill Construction

Description:
Though structural and building code experts agree with the federal finding that the local trigger for the global progressive collapse of the 47-story Seven World Trade Center on Sept. 11, 2001, was thermal expansion, many oppose the report’s recommendation for change. Most sources say the recommendation, which calls for model codes requiring owners, operators and designers to evaluate buildings “to ensure” adequate structural fire performance, is either not needed, dangerously vague, too broad, overly reactive, based on a rare event or formed from opinion rather than science. Others support the recommendation issued last month by the National Institute of Standards and Technology, which says buildings should be designed to burn ...

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