Bond Modelling of Prestressing Strand

Uijl, den

doi:10.14359/5876

SP-180: Bond and Development of Reinforcement - A Tribute to Dr. Peter Gergely 1998

DOI: 10.14359/5876

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Bond Modelling of Prestressing Strand

den Uijl¹

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2014

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Measuring specific parameters in pretensioned concrete members using a single testing technique

Martí‐Vargas¹,

García-Taengua²,

Caro³

et al. 2014

Measurement

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12Pretensioned concrete members are designed and manufactured by using at least two 13 materials: concrete and prestressing reinforcement. Also, two main stages must be considered: 14 prestress transfer and member loading. Hence, the behavior of these members depends 15 strongly on the reinforcement-to-concrete bond performance and prestress losses. In this 16paper, a testing technique to measure the specific parameters related with the involved 17 phenomena is presented. The testing technique is based on the analysis of series of specimens 18 varying in embedment length to simulate several cross sections at only one end of a 19 pretensioned concrete member. Each specimen is characterized by means of the sequential 20 release of the prestress transfer (detensioning) and the pull-out (loading) operation. The test 21 provides data on prestressing force, transmission length (initial and long-term), anchorage 22 length (without and with slip), reinforcement slips, bond stresses, longitudinal concrete 23 strains, concrete modulus of elasticity, and prestress losses (instantaneous and time-24 dependent). 25 *Manuscript Click here to view linked References 2

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Measuring specific parameters in pretensioned concrete members using a single testing technique

Martí‐Vargas¹,

García-Taengua²,

Caro³

et al. 2014

Measurement

View full text Add to dashboard Cite

show abstract

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Bond Modelling of Prestressing Strand

Cited by 1 publication

References 0 publications

Measuring specific parameters in pretensioned concrete members using a single testing technique

Measuring specific parameters in pretensioned concrete members using a single testing technique

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