An arch is a wedge-shaped unit that is used to construct a structure. Intrados refers to the arch’s inner curve, whereas extrados refers to the arch’s outer curve. The purpose of the arches is to support the weight of the wall area above the openings. In this post, you’ll learn about the several types of arches commonly employed in the construction of various constructions. Where the span between the two supports is greater, and the load on the supports is greater, arch construction is necessary. Arches are frequently employed as an architectural element to enhance the structure’s aesthetic.