Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column

This research examined the utilization of bottom ash mixed with silica fume in the ground improvement technique by constructing columns beneath the soft clay. Utilizing the bottom ash was an effective method and easily available in the market and the application of silica fume in the study improved...

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Main Authors: Ng Jun Shen, Muzamir Hasan, Tan Kah Yee
Format: Article
Language:English
Published: Semnan University 2024-08-01
Series:Journal of Rehabilitation in Civil Engineering
Subjects:
Online Access:https://civiljournal.semnan.ac.ir/article_8668_136985cec1a1b5439cb8e6335308a37b.pdf
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author Ng Jun Shen
Muzamir Hasan
Tan Kah Yee
author_facet Ng Jun Shen
Muzamir Hasan
Tan Kah Yee
author_sort Ng Jun Shen
collection DOAJ
description This research examined the utilization of bottom ash mixed with silica fume in the ground improvement technique by constructing columns beneath the soft clay. Utilizing the bottom ash was an effective method and easily available in the market and the application of silica fume in the study improved the result through its pozzolanic characteristics. The vibro-replacement method was implemented during the bottom ash column installation process. The properties of the materials involved in the research were examined by suitable geotechnical tests complying with relevant standards. The important parameter, shear strength was accessed by conducting the Unconfined Compression Test (UCT). In this study, a total of seven (7) batches of soil samples were involved comprising the control sample. From each batch, it had five (5) soil samples which included the 14 mm and 20 mm diameter of column with the height of 60 mm, 80 mm, and 100 mm. From the results of shear strength improvement, the 14 mm diameter column with height penetrating ratios of 0.6, 0.8, and 1.0 were showing 58.97%, 88.56%, and 69.81% respectively. The next column design which had the 20 mm diameter with the height penetrating ratio of 0.8, recorded the highest improvement of 38.73%, followed by 1.0 and 0.6 which resulted in 32.81% and 19.19% respectively. The use of correlation technique had streamlined the complexity of the independent variables and verified the reliability of the results through the R2 value. In summary, the improvement in shear strength was significantly influenced by the column design.
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series Journal of Rehabilitation in Civil Engineering
spelling doaj-art-fc7d48c15b3347648998447f4657864e2025-01-21T20:47:41ZengSemnan UniversityJournal of Rehabilitation in Civil Engineering2345-44152345-44232024-08-0112311713110.22075/jrce.2024.32181.19258668Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) ColumnNg Jun Shen0Muzamir Hasan1Tan Kah Yee2Research Scholar, Department of Civil Engineering, Faculty of Civil Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuhraya Tun Razak 26300 Kuantan, Pahang Darul Makmur, MalaysiaAssociate Professor, Department of Civil Engineering, Faculty of+ Civil Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuhraya Tun Razak 26300 Kuantan, Pahang Darul Makmur, MalaysiaResearch Scholar, Department of Civil Engineering, Faculty of Civil Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuhraya Tun Razak 26300 Kuantan, Pahang Darul Makmur, MalaysiaThis research examined the utilization of bottom ash mixed with silica fume in the ground improvement technique by constructing columns beneath the soft clay. Utilizing the bottom ash was an effective method and easily available in the market and the application of silica fume in the study improved the result through its pozzolanic characteristics. The vibro-replacement method was implemented during the bottom ash column installation process. The properties of the materials involved in the research were examined by suitable geotechnical tests complying with relevant standards. The important parameter, shear strength was accessed by conducting the Unconfined Compression Test (UCT). In this study, a total of seven (7) batches of soil samples were involved comprising the control sample. From each batch, it had five (5) soil samples which included the 14 mm and 20 mm diameter of column with the height of 60 mm, 80 mm, and 100 mm. From the results of shear strength improvement, the 14 mm diameter column with height penetrating ratios of 0.6, 0.8, and 1.0 were showing 58.97%, 88.56%, and 69.81% respectively. The next column design which had the 20 mm diameter with the height penetrating ratio of 0.8, recorded the highest improvement of 38.73%, followed by 1.0 and 0.6 which resulted in 32.81% and 19.19% respectively. The use of correlation technique had streamlined the complexity of the independent variables and verified the reliability of the results through the R2 value. In summary, the improvement in shear strength was significantly influenced by the column design.https://civiljournal.semnan.ac.ir/article_8668_136985cec1a1b5439cb8e6335308a37b.pdfsoil improvementground improvementexpansive clayshear strengthbottom ash
spellingShingle Ng Jun Shen
Muzamir Hasan
Tan Kah Yee
Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column
Journal of Rehabilitation in Civil Engineering
soil improvement
ground improvement
expansive clay
shear strength
bottom ash
title Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column
title_full Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column
title_fullStr Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column
title_full_unstemmed Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column
title_short Stabilization of Soft Clay Soil by the Reinforcement of Single Bottom Ash Silica Fume (BASF) Column
title_sort stabilization of soft clay soil by the reinforcement of single bottom ash silica fume basf column
topic soil improvement
ground improvement
expansive clay
shear strength
bottom ash
url https://civiljournal.semnan.ac.ir/article_8668_136985cec1a1b5439cb8e6335308a37b.pdf
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AT muzamirhasan stabilizationofsoftclaysoilbythereinforcementofsinglebottomashsilicafumebasfcolumn
AT tankahyee stabilizationofsoftclaysoilbythereinforcementofsinglebottomashsilicafumebasfcolumn