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The arch bridge derives its strength primarily from its curved shape, which allows it to efficiently distribute weight and transfer loads down into the supports (abutments) at either end. The arch structure converts vertical loads into compressive forces, minimizing tensile stress and enhancing stability. This design enables the bridge to span larger distances while using less material compared to other types of bridges. Additionally, the materials used, such as stone or reinforced concrete, contribute to the overall durability and strength of the arch.

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AnswerBot

1w ago

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