Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil
This investigation involved the examination of pozzolanic benefits that resulted from the amendment of lime stabilization of a soil by using a combination of two industrial wastes viz. Fly ash (FA) and Steel Slag (SS). Two lime contents (6% and 8%), which represented the control sp...
| Main Authors: | , , , , |
|---|---|
| Format: | Online |
| Language: | eng |
| Published: |
Universidad Pedagógica y Tecnológica de Colombia
2018
|
| Subjects: | |
| Online Access: | https://revistas.uptc.edu.co/index.php/ingenieria/article/view/8544 |
| _version_ | 1801706083728752640 |
|---|---|
| author | James, Jijo David, Ebenezer Paul Billy Graham Nagarathinam, Mahalakshmi Thaniyarasu, Mohan Kumar Madhu, Jayapal |
| author_facet | James, Jijo David, Ebenezer Paul Billy Graham Nagarathinam, Mahalakshmi Thaniyarasu, Mohan Kumar Madhu, Jayapal |
| author_sort | James, Jijo |
| collection | OJS |
| description | This investigation involved the examination of pozzolanic benefits that resulted from the amendment of lime stabilization of a soil by using a combination of two industrial wastes viz. Fly ash (FA) and Steel Slag (SS). Two lime contents (6% and 8%), which represented the control specimens, were selected for stabilizing the soil, one above the Initial Consumption of Lime (ICL) and the other above the Optimum Lime Content (OLC), respectively. The lime to total solid waste ratio was maintained as 1:1, and the FA/SS ratio varied within the total solid waste content adopted for amending lime stabilization. The unconfined compressive strength (UCS) of the stabilized samples were determined by casting UCS specimens of 38 x 76 mm and cured for 2 hours, 7, 14 and 28 days. After curing, the specimens were strained until failure, to study the pozzolanic benefits of adding FA-SS. The results revealed that the addition of FA and SS improved the pozzolanic strength, ranging from 3.5% to 15%. The optimal dosage of FA and SS also varied with the lime content adopted. For the 6% lime content, a FA/SS ratio of 1:1 was found to be optimal, whereas for the 8% lime content, a FA/SS ratio of 3:1 was found to develop the maximum strength. The amendment of lime stabilization with FA/SS clearly brought about the difference in lime stabilization stages, unseen when only lime was adopted as stabilizer. |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-8544 |
| institution | Revista Facultad de Ingeniería |
| language | eng |
| publishDate | 2018 |
| publisher | Universidad Pedagógica y Tecnológica de Colombia |
| record_format | ojs |
| spelling | oai:oai.revistas.uptc.edu.co:article-85442021-07-13T02:26:59Z Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil Beneficio puzolánico de las mezclas de cenizas volantes y de escoria de acero en el desarrollo de la resistencia a la compresión uniaxial del suelo estabilizado con cal James, Jijo David, Ebenezer Paul Billy Graham Nagarathinam, Mahalakshmi Thaniyarasu, Mohan Kumar Madhu, Jayapal ash blends lime slag soil strength cal cenizas escoria mezclas resistencia suelo This investigation involved the examination of pozzolanic benefits that resulted from the amendment of lime stabilization of a soil by using a combination of two industrial wastes viz. Fly ash (FA) and Steel Slag (SS). Two lime contents (6% and 8%), which represented the control specimens, were selected for stabilizing the soil, one above the Initial Consumption of Lime (ICL) and the other above the Optimum Lime Content (OLC), respectively. The lime to total solid waste ratio was maintained as 1:1, and the FA/SS ratio varied within the total solid waste content adopted for amending lime stabilization. The unconfined compressive strength (UCS) of the stabilized samples were determined by casting UCS specimens of 38 x 76 mm and cured for 2 hours, 7, 14 and 28 days. After curing, the specimens were strained until failure, to study the pozzolanic benefits of adding FA-SS. The results revealed that the addition of FA and SS improved the pozzolanic strength, ranging from 3.5% to 15%. The optimal dosage of FA and SS also varied with the lime content adopted. For the 6% lime content, a FA/SS ratio of 1:1 was found to be optimal, whereas for the 8% lime content, a FA/SS ratio of 3:1 was found to develop the maximum strength. The amendment of lime stabilization with FA/SS clearly brought about the difference in lime stabilization stages, unseen when only lime was adopted as stabilizer. La investigación examinó los beneficios puzolánicos logrados debido a la modificación de la estabilización con cal de un suelo mediante el uso de una combinación de dos desechos industriales: el Flyash (FA) y el Steel Slag (SS). Se seleccionaron dos contenidos de cal de 6 % y 8 % para estabilizar el suelo; uno por encima del Consumo Inicial de Cal (ICL) y el otro por encima del Contenido Óptimo de Cal (OLC), respectivamente; estos formaron las muestras de control para determinar el efecto de los desechos sólidos sobre la estabilización con cal. La relación cal-residuos sólidos totales se mantuvo en 1:1 y la relación FA-SS varió dentro del contenido total de desechos sólidos adoptado para la modificación de la estabilización con cal. La resistencia a la compresión no confinada (UCS) de las muestras estabilizadas se determinó mediante moldeo de muestras UCS de 38 x 76 mm y se curó durante 2 horas, 7, 14 y 28 días. Las muestras después del curado se tensaron hasta que el estudio de los beneficios puzolánicos de la enmienda FA-SS se hizo imposible. Los resultados de la investigación revelaron que la adición de FA y SS benefició la fuerza puzolánica entre el 3,5 % y el 15 %. El contenido óptimo de la dosificación FA y SS también varió con el contenido de cal adoptado. Para un contenido de cal del 6 %, se encontró que la relación FA/SS de 1:1 fue la más óptima, mientras que para el contenido de cal del 8 % se encontró que la relación FA/SS de 3:1 desarrolló la resistencia máxima. También se encontró que la modificación de la estabilización con cal utilizando FA/SS provocó, claramente, diferencias en las etapas de estabilización que no se observaron cuando solo se adoptó la cal como estabilizador. Universidad Pedagógica y Tecnológica de Colombia 2018-08-07 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion research investigación application/pdf application/xml https://revistas.uptc.edu.co/index.php/ingenieria/article/view/8544 10.19053/01211129.v28.n49.2018.8544 Revista Facultad de Ingeniería; Vol. 27 No. 49 (2018); 7-21 Revista Facultad de Ingeniería; Vol. 27 Núm. 49 (2018); 7-21 2357-5328 0121-1129 eng https://revistas.uptc.edu.co/index.php/ingenieria/article/view/8544/7139 https://revistas.uptc.edu.co/index.php/ingenieria/article/view/8544/7345 N.A. N.A. |
| spellingShingle | ash blends lime slag soil strength cal cenizas escoria mezclas resistencia suelo James, Jijo David, Ebenezer Paul Billy Graham Nagarathinam, Mahalakshmi Thaniyarasu, Mohan Kumar Madhu, Jayapal Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| title | Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| title_alt | Beneficio puzolánico de las mezclas de cenizas volantes y de escoria de acero en el desarrollo de la resistencia a la compresión uniaxial del suelo estabilizado con cal |
| title_full | Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| title_fullStr | Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| title_full_unstemmed | Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| title_short | Pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| title_sort | pozzolanic benefit of fly ash and steel slag blends in the development of uniaxial compressive strength of lime stabilized soil |
| topic | ash blends lime slag soil strength cal cenizas escoria mezclas resistencia suelo |
| topic_facet | ash blends lime slag soil strength cal cenizas escoria mezclas resistencia suelo |
| url | https://revistas.uptc.edu.co/index.php/ingenieria/article/view/8544 |
| work_keys_str_mv | AT jamesjijo pozzolanicbenefitofflyashandsteelslagblendsinthedevelopmentofuniaxialcompressivestrengthoflimestabilizedsoil AT davidebenezerpaulbillygraham pozzolanicbenefitofflyashandsteelslagblendsinthedevelopmentofuniaxialcompressivestrengthoflimestabilizedsoil AT nagarathinammahalakshmi pozzolanicbenefitofflyashandsteelslagblendsinthedevelopmentofuniaxialcompressivestrengthoflimestabilizedsoil AT thaniyarasumohankumar pozzolanicbenefitofflyashandsteelslagblendsinthedevelopmentofuniaxialcompressivestrengthoflimestabilizedsoil AT madhujayapal pozzolanicbenefitofflyashandsteelslagblendsinthedevelopmentofuniaxialcompressivestrengthoflimestabilizedsoil AT jamesjijo beneficiopuzolanicodelasmezclasdecenizasvolantesydeescoriadeaceroeneldesarrollodelaresistenciaalacompresionuniaxialdelsueloestabilizadoconcal AT davidebenezerpaulbillygraham beneficiopuzolanicodelasmezclasdecenizasvolantesydeescoriadeaceroeneldesarrollodelaresistenciaalacompresionuniaxialdelsueloestabilizadoconcal AT nagarathinammahalakshmi beneficiopuzolanicodelasmezclasdecenizasvolantesydeescoriadeaceroeneldesarrollodelaresistenciaalacompresionuniaxialdelsueloestabilizadoconcal AT thaniyarasumohankumar beneficiopuzolanicodelasmezclasdecenizasvolantesydeescoriadeaceroeneldesarrollodelaresistenciaalacompresionuniaxialdelsueloestabilizadoconcal AT madhujayapal beneficiopuzolanicodelasmezclasdecenizasvolantesydeescoriadeaceroeneldesarrollodelaresistenciaalacompresionuniaxialdelsueloestabilizadoconcal |
