Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column

Soft clay soils are type of problematic soil that causes bearing capacity failure and excessive settlement, leading to severe damage to buildings and foundation. In this study, bottom ash is used to replace the natural aggregate while quicklime is used to increase the bonding between bottom ash part...

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Main Authors: Muzamir, Hasan, Kwan, Hui Yee, Fat-hi, Muhamad
Format: Conference or Workshop Item
Language:English
English
Published: 2018
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/22080/1/2.%20Undrained%20shear%20strength%20of%20soft%20clay%20reinforced%20with%20single.pdf
http://umpir.ump.edu.my/id/eprint/22080/2/2.1%20Undrained%20shear%20strength%20of%20soft%20clay%20reinforced%20with%20single.pdf
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author Muzamir, Hasan
Kwan, Hui Yee
Fat-hi, Muhamad
author_facet Muzamir, Hasan
Kwan, Hui Yee
Fat-hi, Muhamad
author_sort Muzamir, Hasan
collection UMP
description Soft clay soils are type of problematic soil that causes bearing capacity failure and excessive settlement, leading to severe damage to buildings and foundation. In this study, bottom ash is used to replace the natural aggregate while quicklime is used to increase the bonding between bottom ash particles. This research is aimed to investigate the role of single encapsulated lime bottom ash column (LBAC) in improving the shear strength by using laboratory scale model. Kaolin is being used as soil sample while lime bottom ash as the reinforced column and the column is encapsulated with non-woven geotextile. Laboratory tests are conducted to determine the physical properties of bottom ash, kaolin clay, and quicklime sample. Unconfined Compression Test (UCT) also used to test the shear strength of the reinforced kaolin samples. There are 21 kaolin samples being tested in this study and the dimension of the specimen used is 50mm in diameter and 100mm in height. However, there are two different types of diameter of single lime bottom ash column being used which are 10mm and 16mm. The heights of the column are 60mm, 80mm and 100mm. The improvement of shear strength of single encapsulated lime bottom ash column with area replacement ratio of 4.00% (10mm column diameter) and 10.24% (16 mm column diameter) are 43.58%, 50.00%, 49.17% and 38.08%, 42.67%, 32.75% at sample penetration ratio, Hc/Hs of 0.6, 0.8 and 1.0 respectively. It can be concluded that the shear strength of soft clay could be improved by installation of single encapsulated lime bottom ash column.
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spelling UMPir220802018-11-15T06:45:12Z http://umpir.ump.edu.my/id/eprint/22080/ Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column Muzamir, Hasan Kwan, Hui Yee Fat-hi, Muhamad TA Engineering (General). Civil engineering (General) Soft clay soils are type of problematic soil that causes bearing capacity failure and excessive settlement, leading to severe damage to buildings and foundation. In this study, bottom ash is used to replace the natural aggregate while quicklime is used to increase the bonding between bottom ash particles. This research is aimed to investigate the role of single encapsulated lime bottom ash column (LBAC) in improving the shear strength by using laboratory scale model. Kaolin is being used as soil sample while lime bottom ash as the reinforced column and the column is encapsulated with non-woven geotextile. Laboratory tests are conducted to determine the physical properties of bottom ash, kaolin clay, and quicklime sample. Unconfined Compression Test (UCT) also used to test the shear strength of the reinforced kaolin samples. There are 21 kaolin samples being tested in this study and the dimension of the specimen used is 50mm in diameter and 100mm in height. However, there are two different types of diameter of single lime bottom ash column being used which are 10mm and 16mm. The heights of the column are 60mm, 80mm and 100mm. The improvement of shear strength of single encapsulated lime bottom ash column with area replacement ratio of 4.00% (10mm column diameter) and 10.24% (16 mm column diameter) are 43.58%, 50.00%, 49.17% and 38.08%, 42.67%, 32.75% at sample penetration ratio, Hc/Hs of 0.6, 0.8 and 1.0 respectively. It can be concluded that the shear strength of soft clay could be improved by installation of single encapsulated lime bottom ash column. 2018 Conference or Workshop Item NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/22080/1/2.%20Undrained%20shear%20strength%20of%20soft%20clay%20reinforced%20with%20single.pdf pdf en http://umpir.ump.edu.my/id/eprint/22080/2/2.1%20Undrained%20shear%20strength%20of%20soft%20clay%20reinforced%20with%20single.pdf Muzamir, Hasan and Kwan, Hui Yee and Fat-hi, Muhamad (2018) Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column. In: 4th International Conference On Science, Engineering And Environment (SEE) 2018 , 12 - 14 November 2018 , Nagoya, Japan. pp. 1-5.. (Unpublished)
spellingShingle TA Engineering (General). Civil engineering (General)
Muzamir, Hasan
Kwan, Hui Yee
Fat-hi, Muhamad
Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
title Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
title_full Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
title_fullStr Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
title_full_unstemmed Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
title_short Undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
title_sort undrained shear strength of soft clay reinforced with single encapsulated lime bottom ash column
topic TA Engineering (General). Civil engineering (General)
url http://umpir.ump.edu.my/id/eprint/22080/1/2.%20Undrained%20shear%20strength%20of%20soft%20clay%20reinforced%20with%20single.pdf
http://umpir.ump.edu.my/id/eprint/22080/2/2.1%20Undrained%20shear%20strength%20of%20soft%20clay%20reinforced%20with%20single.pdf
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AT kwanhuiyee undrainedshearstrengthofsoftclayreinforcedwithsingleencapsulatedlimebottomashcolumn
AT fathimuhamad undrainedshearstrengthofsoftclayreinforcedwithsingleencapsulatedlimebottomashcolumn