answersLogoWhite

0

Becasue they need it to help them stay standing.

User Avatar

Wiki User

11y ago

What else can I help you with?

Related Questions

Why are arch bridges better than than beam bridges?

Arch bridges are better because they transfer the weight down the archs and into the grownd unlike the beam bridge where it transfers it's weight through the beams wich break more often than arch bridges. Arch bridges are better because they transfer the weight down the archs and into the grownd unlike the beam bridge where it transfers it's weight through the beams wich break more often than arch bridges.


What are the Similarities and differences of archs and domes?

A Dome is basically a arch that is turned over to its vertical axis.


Is the Ponte Vecchio an arch bridge?

is the ponte vecchio bridge is an arch bridge


Is the Brooklyn bridge a arch bridge?

The brooklyn bridge is not a arch bridge


Roman architecture is known for what three important elements?

Type your answer here... it emphasized many things like columns and supporting structures like bridges and archs


Is a pegram truss an arch bridge?

it is a hybrid between an arch bridge and truss bridge. so it is classified as an arch and truss


Example of an arch bridge?

Arch Bridges are: 1. Masonry arch bridges 2. trussed arch bridges. Le viaduc de Garabit in Cantal France is a famous arch bridge. The Sydney Harbour bridge is a trussed arch bridge Tacoma Bridge.


What does a arch do on a bridge?

The bridge is supported by an arch or a series on arches to make the bridge stronger.


How long can a Arch Bridge stay standing for?

The longest span an arch bridge can go is relevent to the radius of the arch.


Why did they make the lupu bridge an arch bridge?

they did it because there is a huge arch in the middle


What is the strengths of an arch bridge?

The strength of an arch bridge is ranges from 780m and more!


What was the purpose of the arch?

The purpose of a arch bridge is a arc shaped bridge dumb as