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A.) A highway is made of concrete slabs that are 17.1 m long at 20.0°C. Expansion...

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Physics

A.) A highway is made of concrete slabs that are 17.1 m long at20.0°C. Expansion coefficient of concrete is α = 12.0 ×10−6 K−1.

f the temperature range at the location of the highway is from−20.0°C to +41.9°C, what size expansion gap should be left (at20.0°C) to prevent buckling of the highway?

*Answer in mm

B.)

The George Washington Bridge crosses the Hudson River betweenNew York and New Jersey. The span of the steel bridge is about 1.60km. What might be the difference between the maximum span andminimum span over the course of a year, if the temperature can varyfrom a low of −15.0°F in winter to a high of 103°F in summer?Expansion coefficient of steel is α = 12.0 ×10−6 K−1.

C.) In which equation did temperature have a greater impact

Answer & Explanation Solved by verified expert
3.9 Ratings (446 Votes)
C Actually it all depends on Temperaturedifference and expansion    See Answer
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