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Estimation of elastic modulus of reinforcement corrosion products using inverse analysis of digital image correlation measurements for input in corrosion-induced cracking model. / Pease, Bradley Justin; Michel, Alexander; Thybo, Anna Emilie A.; Stang, Henrik.

Proceedings of the 6th International Conference on Bridge Maintenance, Safety and Management. 2012.

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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Pease, Bradley Justin; Michel, Alexander; Thybo, Anna Emilie A.; Stang, Henrik / Estimation of elastic modulus of reinforcement corrosion products using inverse analysis of digital image correlation measurements for input in corrosion-induced cracking model.

Proceedings of the 6th International Conference on Bridge Maintenance, Safety and Management. 2012.

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

Bibtex

@inbook{61b480e9dcf5484fb5cd449bd6894ad3,
title = "Estimation of elastic modulus of reinforcement corrosion products using inverse analysis of digital image correlation measurements for input in corrosion-induced cracking model",
author = "Pease, {Bradley Justin} and Alexander Michel and Thybo, {Anna Emilie A.} and Henrik Stang",
year = "2012",
booktitle = "Proceedings of the 6th International Conference on Bridge Maintenance, Safety and Management",

}

RIS

TY - GEN

T1 - Estimation of elastic modulus of reinforcement corrosion products using inverse analysis of digital image correlation measurements for input in corrosion-induced cracking model

A1 - Pease,Bradley Justin

A1 - Michel,Alexander

A1 - Thybo,Anna Emilie A.

A1 - Stang,Henrik

AU - Pease,Bradley Justin

AU - Michel,Alexander

AU - Thybo,Anna Emilie A.

AU - Stang,Henrik

PY - 2012

Y1 - 2012

N2 - A combined experimental and numerical approach for estimating the elastic modulus of reinforcement corrosion products is presented. Deformations between steel and mortar were measured using digital image correlation during accelerated corrosion testing at 100 μA/cm2 (~1.16 mm/year). Measured deformations were compared to a numerical corrosion model that considers electrochemical, transport, and mechanical processes, including penetration of corrosion products into a ‘corrosion-accommodating region,’ provided by the mortar’s capillary porosity, directly surrounding the steel. Comparing model and experimental results provides an order-of-magnitude approximation of corrosion product stiffness of 2.0 GPa.

AB - A combined experimental and numerical approach for estimating the elastic modulus of reinforcement corrosion products is presented. Deformations between steel and mortar were measured using digital image correlation during accelerated corrosion testing at 100 μA/cm2 (~1.16 mm/year). Measured deformations were compared to a numerical corrosion model that considers electrochemical, transport, and mechanical processes, including penetration of corrosion products into a ‘corrosion-accommodating region,’ provided by the mortar’s capillary porosity, directly surrounding the steel. Comparing model and experimental results provides an order-of-magnitude approximation of corrosion product stiffness of 2.0 GPa.

BT - Proceedings of the 6th International Conference on Bridge Maintenance, Safety and Management

T2 - Proceedings of the 6th International Conference on Bridge Maintenance, Safety and Management

ER -