<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In order to decrease the fitting deviation between rheometrical measurements and empirical parameters using slump test, this paper proposes a new analytical method to evaluate the high yield stress of materials (cement pastes).In doing so, an experimental study was performed for measuring the empirical characteristics by cylindrical mold with different water to binder ratios (w/b) by aiming to increase the yield stress. Parallelly, experimental observations showed clearly the unyielded zone at flow stoppage of high yield stress samples. Based on these results, an idea was formed to applied metallic element at inlet of mold in order to push the spreading of paste. The obtained results of the model proposed in this paper were compared with the yield stress evaluated from shear flow curves using AR2000-rheometer with plate-plate geometry at rate-controlled. In fact, this study demonstrates the applicability and novelty of the present model in the process of relating the empirical parameters to yield stress.</p>
</abstract>

In order to decrease the fitting deviation between rheometrical measurements and empirical parameters using slump test, this paper proposes a new analytical method to evaluate the high yield stress of materials (cement pastes).In doing so, an experimental study was performed for measuring the empirical characteristics by cylindrical mold with different water to binder ratios (w/b) by aiming to increase the yield stress. Parallelly, experimental observations showed clearly the unyielded zone at flow stoppage of high yield stress samples. Based on these results, an idea was formed to applied metallic element at inlet of mold in order to push the spreading of paste. The obtained results of the model proposed in this paper were compared with the yield stress evaluated from shear flow curves using AR2000-rheometer with plate-plate geometry at rate-controlled. In fact, this study demonstrates the applicability and novelty of the present model in the process of relating the empirical parameters to yield stress.

Slump Test: A New Empirical Model for High Yield Stress Materials

Laboratory of Experimental and Numerical Modeling of Materials and Structure in Civil Engineering

Department of Civil Engineering, faculty of Sciences and applied sciences

Journal of Applied Engineering Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Slump Test: A New Empirical Model for High Yield Stress Materials"}

In order to decrease the fitting deviation between rheometrical measurements and empirical parameters using slump test, this paper proposes a new analytical...

Slump Test: A New Empirical Model for High Yield Stress Materials

Publicado en línea: 07 dic 2021

Páginas: 107 - 112

Recibido: 17 jul 2021

Aceptado: 19 ago 2021

DOI: https://doi.org/10.2478/jaes-2021-0014

Palabras clave
High yield stress, Slump test, Rheology, New empirical model

© 2021 H. Kemer et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Slump Test: A New Empirical Model for High Yield Stress Materials

Publicado en línea: 07 dic 2021

Páginas: 107 - 112

Recibido: 17 jul 2021

Aceptado: 19 ago 2021

DOI: https://doi.org/10.2478/jaes-2021-0014

Palabras claveHigh yield stress, Slump test, Rheology, New empirical model

© 2021 H. Kemer et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Palabras clave
High yield stress, Slump test, Rheology, New empirical model