Search Results for: Ropes covered
century, truss systems of wrought iron were developed for larger bridges, but iron does not have the tensile strength to support large loads. with the advent of steel, which has a high tensile strength, much larger bridges were built, many using the ideas of gustave eiffel .[ citation needed ] the covered
bridge in west montrose, ontario , canada in canada and the united states, numerous timber covered bridges were built in the late s to the late s, reminiscent of earlier designs in germany and switzerland . some covered bridges were also built in asia. [ ] in later years, some were partly made of stone...
https://en.wikipedia.org/wiki/Bridge