The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much

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The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length change between temperature extremes −17°C

 and 
31°C?
Jun 21st, 2015

Thank you for the opportunity to help you with your question!

linear thermal expansion coef Fe 11.8e-6 /K 

∆L/L = α∆T, α is linear thermal expansion coef
∆L = αL∆T

∆L = αL∆T = (11.8e-6 /K)(51800 cm)(46K) = 28 cm

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Jun 21st, 2015

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