More stringent codes could have saved homes in Oklahoma during tornados

Tornado damage could be reduced if connections between roofs and walls were strengthened with nails or with metal hurricane ties, according to David Prevatt, a civil engineer. 

June 27, 2013

Tornado damage could be reduced if connections between roofs and walls were strengthened with nails or with metal hurricane ties, according to David Prevatt, a civil engineer. "This notion that we cannot engineer buildings economically to withstand tornado loads is a fallacy," says Prevatt, who has studied damage from hurricanes and the highly damaging tornadoes in Joplin, Mo., and Tuscaloosa, Ala., in 2011.

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