Advanced search
1 file | 2.21 MB Add to list

Rheological and pumping behaviour of 3D printable cementitious materials with varying aggregate content

Author
Organization
Abstract
3D printing with cementitious materials is an emerging technology and provides an active area of research. Despite this, there are only limited studies that examine the pumping behaviour of high yield stress fluids such as printable concrete. We present a study on the rheological behaviour of 3D printable cementitious materials with different aggregate-to-binder ratios (a/b) and analyse the pumping and printing characteristics with the measured rheological parameters. We observed that an increase in a/b resulted in a significant increase of plastic viscosity, and a nominal increase in yield stress and storage modulus. The variation in plastic viscosity and yield stress with increasing aggregate content was analysed with the Krieger-Dougherty and Chateau-Ovarlez-Trung model, respectively. Also, the rheological properties of the paste rich lubrication layer during pumping were determined with the help of a tribometer. The yield stress and viscous constant of the lubrication layer increase with the increase in a/b. The pumping pressure predictions were carried out by a suitable theoretical model by considering appropriate flow conditions for different mixtures. The variation in critical height of printed elements with an increase in a/b was correlated with the observed rheological parameters.
Keywords
General Materials Science, Building and Construction, 3D printing, Pumping, Rheology, Viscosity, Yield stress, Lubrication layer, Sustainability, LUBRICATION LAYER PROPERTIES, HIGH-PERFORMANCE CONCRETE, YIELD-STRESS, NONCOLLOIDAL PARTICLES, VOLUME FRACTION, FRESH, CONSTRUCTION, SUSPENSIONS, PREDICTION, DESIGN

Downloads

  • (...).pdf
    • full text (Published version)
    • |
    • UGent only
    • |
    • PDF
    • |
    • 2.21 MB

Citation

Please use this url to cite or link to this publication:

MLA
K Mohan, Manu, et al. “Rheological and Pumping Behaviour of 3D Printable Cementitious Materials with Varying Aggregate Content.” CEMENT AND CONCRETE RESEARCH, vol. 139, 2021, doi:10.1016/j.cemconres.2020.106258.
APA
K Mohan, M., Attupurathu Vijayan, R., Van Tittelboom, K., & De Schutter, G. (2021). Rheological and pumping behaviour of 3D printable cementitious materials with varying aggregate content. CEMENT AND CONCRETE RESEARCH, 139. https://doi.org/10.1016/j.cemconres.2020.106258
Chicago author-date
K Mohan, Manu, Rahul Attupurathu Vijayan, Kim Van Tittelboom, and Geert De Schutter. 2021. “Rheological and Pumping Behaviour of 3D Printable Cementitious Materials with Varying Aggregate Content.” CEMENT AND CONCRETE RESEARCH 139. https://doi.org/10.1016/j.cemconres.2020.106258.
Chicago author-date (all authors)
K Mohan, Manu, Rahul Attupurathu Vijayan, Kim Van Tittelboom, and Geert De Schutter. 2021. “Rheological and Pumping Behaviour of 3D Printable Cementitious Materials with Varying Aggregate Content.” CEMENT AND CONCRETE RESEARCH 139. doi:10.1016/j.cemconres.2020.106258.
Vancouver
1.
K Mohan M, Attupurathu Vijayan R, Van Tittelboom K, De Schutter G. Rheological and pumping behaviour of 3D printable cementitious materials with varying aggregate content. CEMENT AND CONCRETE RESEARCH. 2021;139.
IEEE
[1]
M. K Mohan, R. Attupurathu Vijayan, K. Van Tittelboom, and G. De Schutter, “Rheological and pumping behaviour of 3D printable cementitious materials with varying aggregate content,” CEMENT AND CONCRETE RESEARCH, vol. 139, 2021.
@article{8678500,
  abstract     = {{3D printing with cementitious materials is an emerging technology and provides an active area of research. Despite this, there are only limited studies that examine the pumping behaviour of high yield stress fluids such as printable concrete. We present a study on the rheological behaviour of 3D printable cementitious materials with different aggregate-to-binder ratios (a/b) and analyse the pumping and printing characteristics with the measured rheological parameters. We observed that an increase in a/b resulted in a significant increase of plastic viscosity, and a nominal increase in yield stress and storage modulus. The variation in plastic viscosity and yield stress with increasing aggregate content was analysed with the Krieger-Dougherty and Chateau-Ovarlez-Trung model, respectively. Also, the rheological properties of the paste rich lubrication layer during pumping were determined with the help of a tribometer. The yield stress and viscous constant of the lubrication layer increase with the increase in a/b. The pumping pressure predictions were carried out by a suitable theoretical model by considering appropriate flow conditions for different mixtures. The variation in critical height of printed elements with an increase in a/b was correlated with the observed rheological parameters.}},
  articleno    = {{106258}},
  author       = {{K Mohan, Manu and Attupurathu Vijayan, Rahul and Van Tittelboom, Kim and De Schutter, Geert}},
  issn         = {{0008-8846}},
  journal      = {{CEMENT AND CONCRETE RESEARCH}},
  keywords     = {{General Materials Science,Building and Construction,3D printing,Pumping,Rheology,Viscosity,Yield stress,Lubrication layer,Sustainability,LUBRICATION LAYER PROPERTIES,HIGH-PERFORMANCE CONCRETE,YIELD-STRESS,NONCOLLOIDAL PARTICLES,VOLUME FRACTION,FRESH,CONSTRUCTION,SUSPENSIONS,PREDICTION,DESIGN}},
  language     = {{eng}},
  pages        = {{11}},
  title        = {{Rheological and pumping behaviour of 3D printable cementitious materials with varying aggregate content}},
  url          = {{http://dx.doi.org/10.1016/j.cemconres.2020.106258}},
  volume       = {{139}},
  year         = {{2021}},
}

Altmetric
View in Altmetric
Web of Science
Times cited: