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Rate effect on interfacial response between fibres and matrix

Pacios, A. / Ouyang, C. / Shah, S. P.

Abstract A study on steel fibres pulled out from a cementitious matrix at different slip rates was conducted. A measurement system, which allows one to use two independent methods to evaluate pull-out load, was developed for the Charpy pendulum. Two series of specimens, with 16 and 8 fibres, respectively, were tested. Effects of the rate of slip and of numbers of fibres on interfacial behaviour have been examined. A theoretical model to predict the slip-rate effect on fibre pull-out has been proposed based on fracture mechanics. Based on the peak fibre pull-out load of a reference specimen with a static slip-rate, the proposed model can predict peak pull-out loads and corresponding slips at faster slip-rates.

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Rate effect on interfacial response between fibres and matrix

Pacios, A. / Ouyang, C. / Shah, S. P.

Abstract A study on steel fibres pulled out from a cementitious matrix at different slip rates was conducted. A measurement system, which allows one to use two independent methods to evaluate pull-out load, was developed for the Charpy pendulum. Two series of specimens, with 16 and 8 fibres, respectively, were tested. Effects of the rate of slip and of numbers of fibres on interfacial behaviour have been examined. A theoretical model to predict the slip-rate effect on fibre pull-out has been proposed based on fracture mechanics. Based on the peak fibre pull-out load of a reference specimen with a static slip-rate, the proposed model can predict peak pull-out loads and corresponding slips at faster slip-rates.

Rate effect on interfacial response between fibres and matrix

Pacios, A. / Ouyang, C. / Shah, S. P.

Abstract A study on steel fibres pulled out from a cementitious matrix at different slip rates was conducted. A measurement system, which allows one to use two independent methods to evaluate pull-out load, was developed for the Charpy pendulum. Two series of specimens, with 16 and 8 fibres, respectively, were tested. Effects of the rate of slip and of numbers of fibres on interfacial behaviour have been examined. A theoretical model to predict the slip-rate effect on fibre pull-out has been proposed based on fracture mechanics. Based on the peak fibre pull-out load of a reference specimen with a static slip-rate, the proposed model can predict peak pull-out loads and corresponding slips at faster slip-rates.

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Title:

Rate effect on interfacial response between fibres and matrix

Contributors:

Pacios, A. (author) / Ouyang, C. (author) / Shah, S. P. (author)

Published in:

Materials and Structures ; 28

Publication date:

1995

ISSN:

DOI:

https://doi.org/10.1007/BF02473175

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Embed Length , Reference Specimen , Slip Rate , Cementitious Matrix , Average Bond Strength

Classification:

BKL: 56.45 Baustoffkunde / 51.30 Werkstoffprüfung, Werkstoffuntersuchung
Local classification TIB: 275/6500 / 250/6500

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