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Q » What is a keystone in an arch?

Bram vd Veer

08 Dec, 2025

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A » The keystone is the central, topmost stone of an arch, playing a crucial role in its structural integrity. As the final piece placed during construction, it locks all other stones into position, allowing the arch to bear weight and maintain stability. Characteristically larger than adjacent stones, the keystone distributes pressure evenly, enabling the arch to support the structure above while enhancing its aesthetic appeal.

Michael

08 Dec, 2025

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All Other Answer

A »A keystone is the central, wedge-shaped stone at the apex of an arch, locking the other stones in place and distributing the weight evenly. It is a crucial element that provides structural integrity and stability to the arch, allowing it to bear heavy loads and withstand external forces.

David

08 Dec, 2025

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