Prestressed Concrete Bridge Design and Construction Practices and Prospects in Ethiopia
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Date
2002-07
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Addis Ababa University
Abstract
The problems and achievements on the design and construction of
prestressed concrete bridges in Ethiopia is assessed through distributing
Questionnaires to be filled by professionals currently working on design
and construction of bridges. A seminar is also organized to collect ideas
from the participants and also to convey the basic concepts of prestressed
concrete bridge design and construction.
The basic concepts, principles and advantages of prestressed concrete bridge
design are discussed. The different construction methods of prestressed concrete
bridges with the detail of anchorages are included.
Design example based on simple procedures is shown including its cost
comparison with normally reinforced concrete bridge. Standard sections are
prepared based on PCI (prestressed Concrete Institute) for different simply
supported spans with design flow chart.
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Keywords
Prospects in Ethiopia