Two concrete spans of a 270-m-long bridge are placed end to end so that no room...
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Two concrete spans of a 270-m-long bridge are placed end to end so that no room is allowed for expansion (Figure a). If the temperature increases by 19.8C, what is the height y to which the spans rise when they buckle (Figure b)? (The coefficient of linear expansion of concrete is 1.20 x 10-5 C-1) Your response differs from the correct answer by more than 100%. m a T T+AT L b Two concrete spans of a 270-m-long bridge are placed end to end so that no room is allowed for expansion (Figure a). If the temperature increases by 19.8C, what is the height y to which the spans rise when they buckle (Figure b)? (The coefficient of linear expansion of concrete is 1.20 x 10-5 C-1) Your response differs from the correct answer by more than 100%. m a T T+AT L b
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