Prestressed Concrete Bridge Design And Construction Practices And Prospects In Ethiopia

The problems and achievements on the design and construction ofrnprestressed concrete bridges in Ethiopia is assessed through distributingrnQuestionnaires to be filled by professionals currently working on designrnand construction of bridges. A seminar is also organized to collect ideasrnfrom the participants and also to convey the basic concepts of prestressedrnconcrete bridge design and construction.rnThe basic concepts, principles and advantages of prestressed concrete bridgerndesign are discussed. The different construction methods of prestressed concreternbridges with the detail of anchorages are included.rnDesign example based on simple procedures is shown including its costrncomparison with normally reinforced concrete bridge. Standard sections arernprepared based on PCI (prestressed Concrete Institute) for different simplyrnsupported spans with design flow chart.

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