the earliest use we know about for concrete was in about 150 bc.
the earliest use we know about for concrete was in about 150 bc.
when was the earliest use we know about for concrete?
about 150 bc
Na
Na
as one of the state's earliest extant bridges incorporating concrete, the bridge also demonstrates the evolution of the use concrete in bridge construction in queensland. the gairloch bridge is an example of the earliest use of concrete, where it was restricted to applications requiring only compressive strength such as piers and abutments. the introduction to queensland of reinforced concrete a few years after the bridge was built broadened the applications of concrete to include components requiring tensile strength.









































the place is important in demonstrating the principal characteristics of a particular class of cultural places.
gairloch bridge