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Title: Are Prestressed Bridges Cheaper?

Author(s): Stewart Mitchell

Publication: Journal Proceedings

Volume: 47

Issue: 6

Appears on pages(s): 761-772

Keywords: no keywords

DOI: 10.14359/12033

Date: 6/1/1951

To study the use of prestressed concrete for highway bridges a pedsterian bridge over Arroyo Seco in Los Angeles was designed and placed under contrat. In the United States, principal savings are expected to be for labor rather tha in reduction of steel and concrete. Cast-in-place and precast prestressed bridges applicable to California sites are described. Lack of technical data, cost information and experience restrict the use of prestressing techniques at present. Furthur studies and better specifications are needed to promote the use of prestressed concrete.


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