Assessing properties of hydrating cement paste using X-ray computed tomography characterization

H. Zhang; E. Schlangen; Zhi Ge; B. Šavija

Assessing properties of hydrating cement paste using X-ray computed tomography characterization

H. Zhang, E. Schlangen, Zhi Ge, B. Šavija

Materials and Environment

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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Abstract

Properties of concrete are, to a large extent, dependent on the properties of its binding constituent, hydrated cement paste. Therefore, knowledge of properties of hydrated cement paste is crucial for predicting concrete behaviour. This paper presents an experimentally informed approach for modelling elastic and transport properties of cement paste. The models used realistic microstructural information-obtained by X-ray computed tomography-as input for property determination. The properties were then determined using discrete numerical models, namely, models based on a lattice approach. Modelling results were compared with literature data, showing excellent correlations. Furthermore, dependence of properties of cement paste on the total porosity, based on the modelling results, was explored. Finally, a correlation between elastic and transport properties for the explored range of Portland cement pastes was established. It is seen that the models can be used for property prediction, but also for exploring correlations between different parameters.

Original language	English
Title of host publication	4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites
Subtitle of host publication	Microdurability 2020
Editors	Guang Ye, Hua Dong, Jiaping Liu, Erik Schlangen, Changwen Miao
Publisher	Delft University of Technology
Pages	440-445
Number of pages	6
ISBN (Electronic)	978-94-6366-422-6
Publication status	Published - 2021
Event	4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites - Online, Delft, Netherlands Duration: 29 Apr 2021 → 27 May 2021 Conference number: 4 https://www.microdurability2020.com/99721

Conference

Conference	4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites
Abbreviated title	Microdurability
Country/Territory	Netherlands
City	Delft
Period	29/04/21 → 27/05/21
Internet address	https://www.microdurability2020.com/99721

Keywords

Cement paste
Young’s modulus
Chloride diffusion
Lattice model
X-ray computed tomography

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Zhang, H., Schlangen, E., Ge, Z., & Šavija, B. (2021). Assessing properties of hydrating cement paste using X-ray computed tomography characterization. In G. Ye, H. Dong, J. Liu, E. Schlangen, & C. Miao (Eds.), 4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites: Microdurability 2020 (pp. 440-445). Delft University of Technology.

Zhang, H. ; Schlangen, E. ; Ge, Zhi et al. / Assessing properties of hydrating cement paste using X-ray computed tomography characterization. 4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites: Microdurability 2020. editor / Guang Ye ; Hua Dong ; Jiaping Liu ; Erik Schlangen ; Changwen Miao. Delft University of Technology, 2021. pp. 440-445

@inproceedings{c984170b9a654774ac433b427bbea607,

title = "Assessing properties of hydrating cement paste using X-ray computed tomography characterization",

abstract = "Properties of concrete are, to a large extent, dependent on the properties of its binding constituent, hydrated cement paste. Therefore, knowledge of properties of hydrated cement paste is crucial for predicting concrete behaviour. This paper presents an experimentally informed approach for modelling elastic and transport properties of cement paste. The models used realistic microstructural information-obtained by X-ray computed tomography-as input for property determination. The properties were then determined using discrete numerical models, namely, models based on a lattice approach. Modelling results were compared with literature data, showing excellent correlations. Furthermore, dependence of properties of cement paste on the total porosity, based on the modelling results, was explored. Finally, a correlation between elastic and transport properties for the explored range of Portland cement pastes was established. It is seen that the models can be used for property prediction, but also for exploring correlations between different parameters.",

keywords = "Cement paste, Young{\textquoteright}s modulus, Chloride diffusion, Lattice model, X-ray computed tomography",

author = "H. Zhang and E. Schlangen and Zhi Ge and B. {\v S}avija",

year = "2021",

language = "English",

pages = "440--445",

editor = "Guang Ye and Hua Dong and Jiaping Liu and Erik Schlangen and Changwen Miao",

booktitle = "4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites",

publisher = "Delft University of Technology",

address = "Netherlands",

note = "4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites, Microdurability ; Conference date: 29-04-2021 Through 27-05-2021",

url = "https://www.microdurability2020.com/99721",

}

Zhang, H, Schlangen, E, Ge, Z & Šavija, B 2021, Assessing properties of hydrating cement paste using X-ray computed tomography characterization. in G Ye, H Dong, J Liu, E Schlangen & C Miao (eds), 4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites: Microdurability 2020. Delft University of Technology, pp. 440-445, 4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites, Delft, Netherlands, 29/04/21.

Assessing properties of hydrating cement paste using X-ray computed tomography characterization. / Zhang, H.; Schlangen, E.; Ge, Zhi et al.
4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites: Microdurability 2020. ed. / Guang Ye; Hua Dong; Jiaping Liu; Erik Schlangen; Changwen Miao. Delft University of Technology, 2021. p. 440-445.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

TY - GEN

T1 - Assessing properties of hydrating cement paste using X-ray computed tomography characterization

AU - Zhang, H.

AU - Schlangen, E.

AU - Ge, Zhi

AU - Šavija, B.

N1 - Conference code: 4

PY - 2021

Y1 - 2021

N2 - Properties of concrete are, to a large extent, dependent on the properties of its binding constituent, hydrated cement paste. Therefore, knowledge of properties of hydrated cement paste is crucial for predicting concrete behaviour. This paper presents an experimentally informed approach for modelling elastic and transport properties of cement paste. The models used realistic microstructural information-obtained by X-ray computed tomography-as input for property determination. The properties were then determined using discrete numerical models, namely, models based on a lattice approach. Modelling results were compared with literature data, showing excellent correlations. Furthermore, dependence of properties of cement paste on the total porosity, based on the modelling results, was explored. Finally, a correlation between elastic and transport properties for the explored range of Portland cement pastes was established. It is seen that the models can be used for property prediction, but also for exploring correlations between different parameters.

AB - Properties of concrete are, to a large extent, dependent on the properties of its binding constituent, hydrated cement paste. Therefore, knowledge of properties of hydrated cement paste is crucial for predicting concrete behaviour. This paper presents an experimentally informed approach for modelling elastic and transport properties of cement paste. The models used realistic microstructural information-obtained by X-ray computed tomography-as input for property determination. The properties were then determined using discrete numerical models, namely, models based on a lattice approach. Modelling results were compared with literature data, showing excellent correlations. Furthermore, dependence of properties of cement paste on the total porosity, based on the modelling results, was explored. Finally, a correlation between elastic and transport properties for the explored range of Portland cement pastes was established. It is seen that the models can be used for property prediction, but also for exploring correlations between different parameters.

KW - Cement paste

KW - Young’s modulus

KW - Chloride diffusion

KW - Lattice model

KW - X-ray computed tomography

M3 - Conference contribution

SP - 440

EP - 445

BT - 4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites

A2 - Ye, Guang

A2 - Dong, Hua

A2 - Liu, Jiaping

A2 - Schlangen, Erik

A2 - Miao, Changwen

PB - Delft University of Technology

T2 - 4th International Rilem Conference on Microstructure Related Durability of Cementitious Composites

Y2 - 29 April 2021 through 27 May 2021

ER -

Assessing properties of hydrating cement paste using X-ray computed tomography characterization

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