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Metal railroad rail cannot be laid touching each other, in hot weather they would expand and push against each other, possibly causing a misalignment of that rails and a train wreck.

Long bridges will have the same problems, whether mad of steel, concrete or dome other substance. Too much expansion fro hot weather could cause buckling and possible collapse of the bridge. Cold weather could cause extreme contraction and again possibly bridge collapse.

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11y ago
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6mo ago

Expansion can cause serious problems for engineers because it can lead to the distortion or misalignment of components and structures. The differential expansion between different materials can create stress and strain, leading to fatigue and failure of the components. It is crucial for engineers to consider expansion and incorporate proper design techniques, material selection, and allowances for thermal expansion to mitigate these problems.

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Q: Why does expansion cause serious problems for engineers?
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