Bridges are usually constructed with expansion joints so that they do not buckle when heated. Assume that the expansion joint of a bridge is dominated by structural steel with a linear thermal expansion coefficient of ?? = 1.0 × 10−5/℃. Suppose we wish to design expansion joints in a bridge that will be exposed to temperatures ranging from - 40 °C to + 40 °C. (a) At what temperature will the gap in the joint be the largest? (b) How long can a section be if it can expand no more than 3.0 cm?
Bridges are usually constructed with expansion joints so that they do not buckle when heated. Assume that the expansion joint of a bridge is dominated by structural steel with a linear thermal expansion coefficient of ?? = 1.0 × 10−5/℃. Suppose we wish to design expansion joints in a bridge that will be exposed to temperatures ranging from - 40 °C to + 40 °C. (a) At what temperature will the gap in the joint be the largest? (b) How long can a section be if it can expand no more than 3.0 cm?
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Bridges are usually constructed with expansion joints so that they do not buckle
when heated. Assume that the expansion joint of a bridge is dominated by
structural steel with a linear thermal expansion coefficient of ?? = 1.0 × 10−5/℃.
Suppose we wish to design expansion joints in a bridge that will be exposed to
temperatures ranging from - 40 °C to + 40 °C.
(a) At what temperature will the gap in the joint be the largest?
(b) How long can a section be if it can expand no more than 3.0 cm?
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