Numerically accelerated chemical evolution in cementitious systems

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review

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Numerically accelerated chemical evolution in cementitious systems. / Perko, Janez; Jacques, Diederik.

SynerCrete'18: Interdisciplinairy approaches for cement-based materials and structural concrete: synergizing expertise and bridging scales of space and time. Vol. PRO 121 RILEM Publications, 2018. p. 761-766.

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review

Harvard

Perko, J & Jacques, D 2018, Numerically accelerated chemical evolution in cementitious systems. in SynerCrete'18: Interdisciplinairy approaches for cement-based materials and structural concrete: synergizing expertise and bridging scales of space and time. vol. PRO 121, RILEM Publications, pp. 761-766, Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time, Funchal, Madeira, Portugal, 2018-10-24.

APA

Perko, J., & Jacques, D. (2018). Numerically accelerated chemical evolution in cementitious systems. In SynerCrete'18: Interdisciplinairy approaches for cement-based materials and structural concrete: synergizing expertise and bridging scales of space and time (Vol. PRO 121, pp. 761-766). RILEM Publications.

Vancouver

Perko J, Jacques D. Numerically accelerated chemical evolution in cementitious systems. In SynerCrete'18: Interdisciplinairy approaches for cement-based materials and structural concrete: synergizing expertise and bridging scales of space and time. Vol. PRO 121. RILEM Publications. 2018. p. 761-766

Author

Perko, Janez ; Jacques, Diederik. / Numerically accelerated chemical evolution in cementitious systems. SynerCrete'18: Interdisciplinairy approaches for cement-based materials and structural concrete: synergizing expertise and bridging scales of space and time. Vol. PRO 121 RILEM Publications, 2018. pp. 761-766

Bibtex - Download

@inproceedings{47ccbe99ba08404b80cb933e2f2efaa3,
title = "Numerically accelerated chemical evolution in cementitious systems",
abstract = "This paper describes the approach for numerical acceleration of reactive transport pore-scale models where transport dominates dissolution/precipitation processes. Chemical changes in cementitious systems are typically transport dominated because of slow chemical reaction rates. The conditions under which the acceleration is possible and the level of acceleration are analysed. For this purpose we derive a new dimensionless number. On this basis the applicability of the approach is demonstrated on a simple system as well as on complex systems and applied to dissolution processes. The result demonstrate that, in the case of calcium leaching from hardened cement paste the dissolution can be accelerated for 50 times.",
keywords = "Hardened cement paste, Pore-scale modelling, Calcium dissolution, Numerical acceleration",
author = "Janez Perko and Diederik Jacques",
note = "Score=3; Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time : Final Conference of COST Action TU1404 “Towards the next generation of standards for service life of cement-based materials and structures”, SynerCrete'18 ; Conference date: 24-10-2018 Through 26-10-2018",
year = "2018",
month = oct,
day = "24",
language = "English",
volume = "PRO 121",
pages = "761--766",
booktitle = "SynerCrete'18",
publisher = "RILEM Publications",
url = "https://synercrete.com/",

}

RIS - Download

TY - GEN

T1 - Numerically accelerated chemical evolution in cementitious systems

AU - Perko, Janez

AU - Jacques, Diederik

N1 - Score=3

PY - 2018/10/24

Y1 - 2018/10/24

N2 - This paper describes the approach for numerical acceleration of reactive transport pore-scale models where transport dominates dissolution/precipitation processes. Chemical changes in cementitious systems are typically transport dominated because of slow chemical reaction rates. The conditions under which the acceleration is possible and the level of acceleration are analysed. For this purpose we derive a new dimensionless number. On this basis the applicability of the approach is demonstrated on a simple system as well as on complex systems and applied to dissolution processes. The result demonstrate that, in the case of calcium leaching from hardened cement paste the dissolution can be accelerated for 50 times.

AB - This paper describes the approach for numerical acceleration of reactive transport pore-scale models where transport dominates dissolution/precipitation processes. Chemical changes in cementitious systems are typically transport dominated because of slow chemical reaction rates. The conditions under which the acceleration is possible and the level of acceleration are analysed. For this purpose we derive a new dimensionless number. On this basis the applicability of the approach is demonstrated on a simple system as well as on complex systems and applied to dissolution processes. The result demonstrate that, in the case of calcium leaching from hardened cement paste the dissolution can be accelerated for 50 times.

KW - Hardened cement paste

KW - Pore-scale modelling

KW - Calcium dissolution

KW - Numerical acceleration

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/33221190

M3 - In-proceedings paper

VL - PRO 121

SP - 761

EP - 766

BT - SynerCrete'18

PB - RILEM Publications

T2 - Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time

Y2 - 24 October 2018 through 26 October 2018

ER -

ID: 4961974