The first bridges made by humans were probably spans of cut wooden ... stones,
using a simple support and crossbeam arrangement.
Jan 29, 2011 ... The history of beam bridges began In early civilization, when logs were used to
cross rivers or ravines. After the industrial revolution, vehicular ...
Although the first engineer to design a beam, or "girder," bridge is not known,
some of the earliest examples have been found in East Asia and South America.
Beam bridges. A beam or "girder" bridge is the simplest kind of bridge. In the past
they may have taken the form of a log across a stream but today they are more ...
The first bridges made by humans were probably spans of wooden logs or planks
and eventually stones, using a simple support and crossbeam arrangement.
Ancient beam bridges were constructed in a simple manner which consisted of a
tree placed across a ...
The Beam Bridge - Bridges support tremendous weight, span huge distances
and all the while withstand the greatest forces of nature. Find out about these ...
The bridge is the first stone beam bridge at seat port ever built in China and is a
monumental engineering project in the history of Chinese bridge construction.
Like the reinforced-concrete beam and girder bridge, the steel beam and girder ...
Plate-Girder: Image courtesy of Robert McCullough, Crossings: A History of ...
In its most basic form, a beam bridge consists of a horizontal beam that is
supported at each end by piers. The weight of the beam pushes straight down on