Failure experiment and calculation model for prestressed concrete cylinder pipe under three-edge bearing test using distributed fiber optic sensors
Tunnelling and Underground Space Technology(2022)
Abstract
•Conducting three-edge bearing tests of prestressed concrete cylinder pipes.•Collecting the full strain distribution of a pipe until failure.•Providing empirical assumptions to fit test results after cracking in concrete.•Iterative solution of strains considering elastoplastic constitutive relations.•Achieving an improved understanding of design assumptions and parameters.
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Key words
Prestressed steel cylinder concrete pipe (PCCP),Three-edge bearing test (TEBT),Distributed optical fiber sensors,Cracking,Failure,Calculation
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