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Particle packing: an important concept for mix design of better compacted interfacial transition zone in cementitious composite systems

Yun Gao UGent, Geert De Schutter UGent, Guang Ye UGent and Zhijun Tan UGent (2012) Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83. p.1-7
abstract
It is well known that the interfacial transition zone (ITZ) of concrete between aggregate and bulk paste often acts as a negative effect with respect to overall properties like strength and durability. To reduce the negative influence of ITZ, it was usually considered to add various pozzolan or mineral additions into concrete, such as granulated blast furnace slag (GBFS). These additions could incur both physical packing and affect the chemical hydration reaction. In this paper, the physical packing effect in ternary blended cementitious system was studied in more detail. The maximum packing density can be calculated by employing linear packing model (LPM), based on the discretization of particle size distribution (PSD). With various mix proportions of raw materials, the overall distribution of packing density was displayed. In order to show how the initial ITZ property was influenced by packing density, numerical modeling by means of random sequential addition (RSA) has also been conducted.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
in
Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83
editor
Guang Ye UGent, Klaas van Breugel, Wei Sun and Changwen Miao
pages
1 - 7
publisher
RILEM Publications
place of publication
Bagneux, France
conference name
2nd International Conference on Microstructural-related Durability of Cementitious Composites
conference location
Amsterdam, The Netherlands
conference start
2012-04-11
conference end
2012-04-13
ISBN
9782351581292
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2105941
handle
http://hdl.handle.net/1854/LU-2105941
date created
2012-05-14 13:51:40
date last changed
2012-05-16 11:42:57
@inproceedings{2105941,
  abstract     = {It is well known that the interfacial transition zone (ITZ) of concrete between aggregate and bulk paste often acts as a negative effect with respect to overall properties like strength and durability. To reduce the negative influence of ITZ, it was usually considered to add various pozzolan or mineral additions into concrete, such as granulated blast furnace slag (GBFS). These additions could incur both physical packing and affect the chemical hydration reaction. In this paper, the physical packing effect in ternary blended cementitious system was studied in more detail. The maximum packing density can be calculated by employing linear packing model (LPM), based on the discretization of particle size distribution (PSD). With various mix proportions of raw materials, the overall distribution of packing density was displayed. In order to show how the initial ITZ property was influenced by packing density, numerical modeling by means of random sequential addition (RSA) has also been conducted.},
  author       = {Gao, Yun and De Schutter, Geert and Ye, Guang and Tan, Zhijun},
  booktitle    = {Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83},
  editor       = {Ye, Guang and van Breugel, Klaas and Sun, Wei and Miao, Changwen},
  isbn         = {9782351581292},
  language     = {eng},
  location     = {Amsterdam, The Netherlands},
  pages        = {1--7},
  publisher    = {RILEM Publications},
  title        = {Particle packing: an important concept for mix design of better compacted interfacial transition zone in cementitious composite systems},
  year         = {2012},
}

Chicago
Gao, Yun, Geert De Schutter, Guang Ye, and Zhijun Tan. 2012. “Particle Packing: An Important Concept for Mix Design of Better Compacted Interfacial Transition Zone in Cementitious Composite Systems.” In Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83, ed. Guang Ye, Klaas van Breugel, Wei Sun, and Changwen Miao, 1–7. Bagneux, France: RILEM Publications.
APA
Gao, Y., De Schutter, G., Ye, G., & Tan, Z. (2012). Particle packing: an important concept for mix design of better compacted interfacial transition zone in cementitious composite systems. In G. Ye, K. van Breugel, W. Sun, & C. Miao (Eds.), Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83 (pp. 1–7). Presented at the 2nd International Conference on Microstructural-related Durability of Cementitious Composites, Bagneux, France: RILEM Publications.
Vancouver
1.
Gao Y, De Schutter G, Ye G, Tan Z. Particle packing: an important concept for mix design of better compacted interfacial transition zone in cementitious composite systems. In: Ye G, van Breugel K, Sun W, Miao C, editors. Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83. Bagneux, France: RILEM Publications; 2012. p. 1–7.
MLA
Gao, Yun, Geert De Schutter, Guang Ye, et al. “Particle Packing: An Important Concept for Mix Design of Better Compacted Interfacial Transition Zone in Cementitious Composite Systems.” Microstructural-related Durability of Cementitious Composites, RILEM Proceedings PRO 83. Ed. Guang Ye et al. Bagneux, France: RILEM Publications, 2012. 1–7. Print.