A true arch is a load-bearing arc with elements held together by compression. In much of the world introduction of the true arch was a result of European influence. The term false arch has few meanings. It is usually use… See more

There are multiple ways to classify an arch:
1. by the geometrical shape of its intrados (for example, semicircular, triangular, etc.);
2. for the round arches, by the number of circle segments forming the arch (for example, … See more

A sequence of arches can be grouped together forming an arcade. Romans perfected this form, as shown, for example, by arched structures of Pont du Gard. In the interior of hall churches, arcades of separating … See more

The large variety of arch shapes (left) can mostly be classified into three broad categories: rounded, pointed, and parabolic.
"Round" semicircular arches were commonly used for ancient arches that were constructe… See more