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LONGITUDINAL STRESS WAVE-PROPAGATION IN AN UNBONDED PRESTRESSING TENDON AFTER RELEASE OF LOAD

Abstract:

Longitudinal stress wave propagation due to the cutting of an unbonded prestressing tendon during demolition has been studied using the finite element method. The grease layer surrounding the tendon provides a substantial viscous damping, which was represented by a linear Maxwell model with a cut-off at a limiting value of damping force. The model was validated, and damping parameters determined, by comparison with laboratory test results for tendons up to 7.4 m in length. The model was then ...

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Publication status:
Published

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Journal:
COMPUTERS and STRUCTURES
Volume:
34
Issue:
1
Pages:
151-160
Publication date:
1990-01-01
DOI:
ISSN:
0045-7949
Source identifiers:
63936
Language:
English
Pubs id:
pubs:63936
UUID:
uuid:55b42a89-b1f5-4587-97bc-2d36022711d9
Local pid:
pubs:63936
Deposit date:
2012-12-19

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