because to give long span we use arch
The Romans used arches for support in construction, such as in buildings, aqueducts and bridges. They also used the arch as a memorial monument to emperors.
Arch bridges are made from arches. Arches are typically made from brick, reinforced concrete, stone or steel. Wooden arches are sometimes used for ornamental bridges, such as decorative footbridges in gardens.
both for short like places and both bridges
Rome used arches in their aqueducts. They also used it in their bridges.
Arches National Park is comprised of over 2,000 sandstone arches. Basically, these are rocks that have been eaten away by erosion, leaving an "arch" left. The most famous of the arches is Delicate Arch.
The singular of arches is arch.
Arch bridges are most used in Canada and the united states
Spenco Arch supports are mainly used for patients suffering from flat arches. Additionally they can be used by patients having low or even fallen arches.
There are three different configurations of arches including the fixed arch, the two-hinged arch, and the three-hinged arch. These configurations determine how stable the arch will be. Types of arches include the triangular arch, semi-circular arch, segmental arch, rampart round arch, lancet arch, equilateral pointed arch, and jack arch. Additional types of arches include the trefoil arch, horseshoe arch, three-centered arch, elliptical arch, inflexed arch, ogee arch, reverse ogee arch, Tudor arch, and parabolic arch.
The Segmental arch was used first by Romans for long spans. The Romans figured out that arches need not be semi-circle but could be segmented for longer structures like bridges.
arch bridges
A triumphal arch consists of a free-standing arch used to commemorate events, particularly military victories, a series of vaulted arches could be used to create a long open space broken only by the columns, and a rounded arch solves the problem of masonry's tensile (resistance to lengthwise stress) weakness. ^_^