Use Of Prestressed Concrete Cylinder Pipes As Composite Breakwaters: Implementation Criterion

A conceptual implementation of the use of prestressed concrete cylinder pipes (PCCP) as composite breakwaters for small ports is outlined in this paper. These pipes are of 4 m diameter and 7.5 meter long while weighing 73.0 metric tons and are produced by the Great Man Made River Project (GMRP) in L...

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Bibliographic Details
Main Authors: Ghazali, A M, Awedat, S H
Format: Conference Proceeding
Language:English
Subjects:
Breakwaters
Composite materials
Design criteria
Dimensional stability
Model testing
Physical tests
Pipes
Prestressed concrete
Prestressed concrete cylinder pipes
Rivers
Stability analysis
Two dimensional models
Water conveyance
Water depth
Wave action
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Summary:A conceptual implementation of the use of prestressed concrete cylinder pipes (PCCP) as composite breakwaters for small ports is outlined in this paper. These pipes are of 4 m diameter and 7.5 meter long while weighing 73.0 metric tons and are produced by the Great Man Made River Project (GMRP) in Libya for water conveyance. The idea is to utilize such pipes in vertical alignment with a submerged rubble mound base so that they behave as composite breakwater. In order to confirm analytical stability computations for such composite breakwater, a two-dimensional physical test model was performed for various water depth and wave action conditions. Test measurements included significant and maximum wave heights, and average and peak wave periods. Model tests were documented by visualization before, during and after all test runs. Stability of the composite breakwater were determined for non-breaking wave conditions, furthermore the design criteria for this use of Prestressed Concrete Cylinder Pipes as composite breakwater is outlined.
ISSN:1746-4498
1743-3509
DOI:10.2495/FSI070221