Strength and Behavior of Slender Steel Pipe under Prestressing force
Publication: Journal of Structural Engineering
Volume 118, Issue 10
Abstract
The results of an experimental investigation of the behavior and compression strength of a slender steel tube under prestressing force are described. A series of tests were conducted using 20‐ft (6.09‐m) long straight or circularly bent steel pipes of 1.315‐in. (33.4‐mm) and 1.9‐in. (48.3‐mm) external diameter. Prestressing tendons were passed through the pipes, and anchorage devices were placed at both ends, allowing prestressing force to be introduced by means of a jack. Separate tests were conducted on test samples (both straight and curved) where tendons were loosely passed through the interior of the pipes and on samples where tendons were provided with rings spaced at intervals of 1.0 ft (30.5 cm) and 1.5 ft (45.7 cm), securing almost an concentric position of the tendons in the pipes' interior or limited eccentricity of 1.315 in. and of 1.9 in. diameter of pipe. The relaxation and its effect on the prestressed regular steel pipe was also measured.
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Information & Authors
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Published In
Journal of Structural Engineering
Volume 118 • Issue 10 • October 1992
Pages: 2911 - 2926
Copyright
Copyright © 1992 ASCE.
History
Published online: Oct 1, 1992
Published in print: Oct 1992
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