rollers are placed under bridge to allow for
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Roller supports are commonly located at one end of long bridges. This allows the bridge structure to expand and contract with temperature changes. ... As soon as a lateral load of any kind pushes on the structure it will roll away in reponse to the force.
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Roller supports are commonly located at one end of long bridges. This allows the bridge structure to expand and contract with temperature changes. ... As soon as a lateral load of any kind pushes on the structure it will roll away in reponse to the force. The lateral load could be a shove, a gust of wind or an earthquake.
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