Title: Past and Future in the Design and Construction of Concrete Bridges
Author(s): Leonidas T. DeLyannis
Publication: Symposium Paper
Appears on pages(s): 1-6
Keywords: architecture; bridges (structures); building codes; history; precast concrete; prestressed concrete; reinforced concrete; standards; structural design; ultimate strength method (structural); working stress method (structural)
The use of bridges dates from antiquity when man built rude bridges in imitation of nature, but bridge design as a science did not begin to emerge until the 17th Century. Bridge design has progressed with the development of materials, and today reinforced concrete and steel are the prime materials in bridge construction.