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

<p>In the execution of the foundation layers and the road base it is necessary to reduce the costs of their construction by using local materials (ballast or crushed stone). In some cases, the physical-mechanical characteristics of the local materials do not satisfy the conditions for dimensioning the road structure. Therefore, to improve these characteristics, they are stabilized with hydraulic binders (fly ash or various mixtures based on lime and cement). By using hydraulic binders, the aim is to obtain a speed in execution, to increase the physico-chemical and mechanical characteristics of the local aggregates and implicitly to reduce the overall costs of the work (Zarojanu, 1976).</p>
</abstract>

In the execution of the foundation layers and the road base it is necessary to reduce the costs of their construction by using local materials (ballast or crushed stone). In some cases, the physical-mechanical characteristics of the local materials do not satisfy the conditions for dimensioning the road structure. Therefore, to improve these characteristics, they are stabilized with hydraulic binders (fly ash or various mixtures based on lime and cement). By using hydraulic binders, the aim is to obtain a speed in execution, to increase the physico-chemical and mechanical characteristics of the local aggregates and implicitly to reduce the overall costs of the work (Zarojanu, 1976).

Determination of the Physical-Mechanical Characteristics of Non-Cohesive Sub-Grade Layers Stabilized with Fly Ash (Part I)

“Gheorghe Asachi” Technical University of Iași

Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section

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

In the execution of the foundation layers and the road base it is necessary to reduce the costs of their construction by using local materials (ballast or...

Determination of the Physical-Mechanical Characteristics of Non-Cohesive Sub-Grade Layers Stabilized with Fly Ash (Part I)

Published Online: Jun 09, 2023

Page range: 23 - 41

Received: Jan 12, 2022

Accepted: Feb 22, 2023

DOI: https://doi.org/10.2478/bipca-2021-0032

Keywords
fly ash, earthworks, stabilisation, road structures, lime

© 2021 Gelu Răzvan Gimiga et al., published by Sciendo

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

Determination of the Physical-Mechanical Characteristics of Non-Cohesive Sub-Grade Layers Stabilized with Fly Ash (Part I)

Published Online: Jun 09, 2023

Page range: 23 - 41

Received: Jan 12, 2022

Accepted: Feb 22, 2023

DOI: https://doi.org/10.2478/bipca-2021-0032

Keywordsfly ash, earthworks, stabilisation, road structures, lime

© 2021 Gelu Răzvan Gimiga et al., published by Sciendo

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

Keywords
fly ash, earthworks, stabilisation, road structures, lime