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<p>In this study, the stabilization process is introduced to a clayey expansive soil collected in southern Sweden. The tests examined strength parameters of expansive soil stabilized by different binders using combination of both traditional binders (cement and lime) and alternative materials (slag Merit 5000, fly ash from SCA Lilla Edet and fly ash from coal combustion, ISO certified). The practical goal was to find a binder mixture that is optimized for soil stabilization with respect to technical properties of stabilizing agent as an inert ballast material. The strength of soil stabilized by various binders was examined by velocity of the <italic>P</italic>-waves propagating through specimens. The results show that introducing slag Merit 5000 as an admixture to cement and lime is an effective approach in enhancing strength properties in weak soil, which increases bearing capacity of soil for planned construction works. The results also shown that a mixture of lime and bio ash yields a better effect in the stabilization of a clay. Soil stabilized with cement, cement/slag and lime/slag becomes resistant to freeze-thaw cycles, which is crucial for construction of roads and building foundations.</p>
</abstract>

In this study, the stabilization process is introduced to a clayey expansive soil collected in southern Sweden. The tests examined strength parameters of expansive soil stabilized by different binders using combination of both traditional binders (cement and lime) and alternative materials (slag Merit 5000, fly ash from SCA Lilla Edet and fly ash from coal combustion, ISO certified). The practical goal was to find a binder mixture that is optimized for soil stabilization with respect to technical properties of stabilizing agent as an inert ballast material. The strength of soil stabilized by various binders was examined by velocity of the P-waves propagating through specimens. The results show that introducing slag Merit 5000 as an admixture to cement and lime is an effective approach in enhancing strength properties in weak soil, which increases bearing capacity of soil for planned construction works. The results also shown that a mixture of lime and bio ash yields a better effect in the stabilization of a clay. Soil stabilized with cement, cement/slag and lime/slag becomes resistant to freeze-thaw cycles, which is crucial for construction of roads and building foundations.

Impact of Strength-Enhancing Admixtures on Stabilization of Expansive Soil by Addition of Alternative Binders

Department of Building and Environmental Technology

École polytechnique de Bruxelles, Université Libre de Bruxelles

Laboratory of Image Synthesis and Analysis, Campus de Solbosch, ULB – LISA CP165/57

Civil and Environmental Engineering

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

In this study, the stabilization process is introduced to a clayey expansive soil collected in southern Sweden. The tests examined strength parameters of...

Impact of Strength-Enhancing Admixtures on Stabilization of Expansive Soil by Addition of Alternative Binders

Publié en ligne: 14 déc. 2022

Pages: 726 - 735

DOI: https://doi.org/10.2478/cee-2022-0067

Mots clés
Compressive strength, Cement, Slag, Fly ash, Lime

© 2022 Per Lindh et al., published by Sciendo

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

Impact of Strength-Enhancing Admixtures on Stabilization of Expansive Soil by Addition of Alternative Binders

Publié en ligne: 14 déc. 2022

Pages: 726 - 735

DOI: https://doi.org/10.2478/cee-2022-0067

Mots clésCompressive strength, Cement, Slag, Fly ash, Lime

© 2022 Per Lindh et al., published by Sciendo

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

Mots clés
Compressive strength, Cement, Slag, Fly ash, Lime