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Freezing and Thawing Effects on Prestressed Concrete
Freeze and thaw tests were conducted on 48 specimens representing strength level s of 5, 000 psi and 3, 000 psi. Some of the beams with a 5, 000 psi strength were post-tensioned throughout the test. Significant improvement in the durability was found to result from post-tensioning of the beams. Post-tensioned concrete specimens made of a rich mix showed better durability than unstressed concrete made of the same mix and also better durability than unstressed concrete made of a leaner mix.
Freezing and Thawing Effects on Prestressed Concrete
Freeze and thaw tests were conducted on 48 specimens representing strength level s of 5, 000 psi and 3, 000 psi. Some of the beams with a 5, 000 psi strength were post-tensioned throughout the test. Significant improvement in the durability was found to result from post-tensioning of the beams. Post-tensioned concrete specimens made of a rich mix showed better durability than unstressed concrete made of the same mix and also better durability than unstressed concrete made of a leaner mix.
Freezing and Thawing Effects on Prestressed Concrete
Gutzwiller, M. J. (Autor:in) / Musleh, F. E. (Autor:in)
Transactions of the American Society of Civil Engineers ; 128 ; 152-167
01.01.2021
161963-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
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