Arch | Types, Design & Structures | Britannica
https://www.britannica.com/technology/arch-architecture
webFeb 16, 2024 · Arch, in architecture and civil engineering, a curved member that is used to span an opening and to support loads from above. The arch formed the basis for the evolution of the vault. Arch construction depends essentially on the wedge. If a series of wedge-shaped blocks—i.e., ones in which the.
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