Arch

**Arch** !

The arch is a curved structure sustaining superiorly closing an opening or a hole, so allitsparts are compressed and none of themoccurextensions. Thesepressures are transmittedtothesupport (columns) whichholdsthearchends.

Use of Arch  The arch is considered one of the most important invention in architecture due to its strength, simplicity and economy. The use of the can be seen in churches, aqueducts, bridges, colleges, some homes and monumental structures (triumphal arches).  The Colosseum

 *Officially known as the Flavian Amphitheater  *In A.D. 80, Vespasian's son Titus opened the Colosseum  *Located just east of the Roman Forum  *Commissioned around A.D. 70-72 by Emperor Vespasia

Roman Arch *The Aqueduct *The Bridge *The Triumphal Arch *The Anphitheater