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Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns

The use of granular columns as soil reinforcement technique has proved useful in problems of foundation stability and settlement, as well as improving soft clay for foundation construction. The purpose of this study is to investigate the enhancement of shear strength of soft kaolin clay when it is r...

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Main Authors: Muzamir, Hasan, Nuraini, Yusuf, Noor Amirah, Noor Shahrudeen, Anas Mohammed, Husian Kassim
Format: Article
Language:English
English
Published: Geotech 2015
Subjects:
T Technology (General)
Online Access:http://umpir.ump.edu.my/id/eprint/13561/1/Strenght%20of%20soft%20clay%20reinforced%20with%20group%20crushed%20polypropylene%28PP%29%20Columns.pdf
http://umpir.ump.edu.my/id/eprint/13561/7/fkasa-2015-muzamir-Strength%20of%20Soft%20Clay.pdf
http://umpir.ump.edu.my/id/eprint/13561/
http://www.ejge.com/2015/Ppr2015.0814ma.pdf
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spelling my.ump.umpir.135612018-02-06T06:35:08Z http://umpir.ump.edu.my/id/eprint/13561/ Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns Muzamir, Hasan Nuraini, Yusuf Noor Amirah, Noor Shahrudeen Anas Mohammed, Husian Kassim T Technology (General) The use of granular columns as soil reinforcement technique has proved useful in problems of foundation stability and settlement, as well as improving soft clay for foundation construction. The purpose of this study is to investigate the enhancement of shear strength of soft kaolin clay when it is reinforced with group crushed polypropylene (PP) columns. Since PP is a waste material, the cost of soil improvement can be reduced which currently was disposed totally in large quantity into landfill. In order to proceed the study, physical and mechanical properties of materials used that are kaolin (soil sample) and PP (reinforcing columns) must be identify first. Then, consolidated kaolin as soft clay was reinforced with group crushed PP columns, and subsequently tested under Unconfined Compression Test (UCT). A total of 7 batches of kaolin sample including control sample had been tested to identify the shear strength. Each batches involved of four samples to find the average value of maximum stress. The variables used for the columns installation were the column heights of 60 mm, 80 mm and 100 mm, where the column penetrating ratio are 0.6, 0.8 and 1.0 respectively. In addition, different values of columns diameter had been used that are 6 mm and 10 mm for every different height of columns. A total of 28 unconfined compression tests had been conducted on kaolin samples. The kaolin samples had the dimensions of 50 mm in diameter and 100 mm in height. For the group PP reinforcement, shear strength increased about 2.13%, 13.51% and 12.84% for 1.44% area replacement ratio and 6.85%, 14.26% and 13.79% for 4% area replacement ratio at sample penetration ratio 0.6, 0.8, 1.0 respectively. It can be concluded that the shear strength parameters were affected by the diameter and the height of the columns and the presence of PP column greatly improve the shear strength. Geotech 2015 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/13561/1/Strenght%20of%20soft%20clay%20reinforced%20with%20group%20crushed%20polypropylene%28PP%29%20Columns.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/13561/7/fkasa-2015-muzamir-Strength%20of%20Soft%20Clay.pdf Muzamir, Hasan and Nuraini, Yusuf and Noor Amirah, Noor Shahrudeen and Anas Mohammed, Husian Kassim (2015) Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns. The Electronic Journal of Geotechnical Engineering (EJGE), 20 (B. 22). pp. 12291-12308. ISSN 8606-9849 http://www.ejge.com/2015/Ppr2015.0814ma.pdf
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
English
topic T Technology (General)
spellingShingle T Technology (General)
Muzamir, Hasan
Nuraini, Yusuf
Noor Amirah, Noor Shahrudeen
Anas Mohammed, Husian Kassim
Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns
description The use of granular columns as soil reinforcement technique has proved useful in problems of foundation stability and settlement, as well as improving soft clay for foundation construction. The purpose of this study is to investigate the enhancement of shear strength of soft kaolin clay when it is reinforced with group crushed polypropylene (PP) columns. Since PP is a waste material, the cost of soil improvement can be reduced which currently was disposed totally in large quantity into landfill. In order to proceed the study, physical and mechanical properties of materials used that are kaolin (soil sample) and PP (reinforcing columns) must be identify first. Then, consolidated kaolin as soft clay was reinforced with group crushed PP columns, and subsequently tested under Unconfined Compression Test (UCT). A total of 7 batches of kaolin sample including control sample had been tested to identify the shear strength. Each batches involved of four samples to find the average value of maximum stress. The variables used for the columns installation were the column heights of 60 mm, 80 mm and 100 mm, where the column penetrating ratio are 0.6, 0.8 and 1.0 respectively. In addition, different values of columns diameter had been used that are 6 mm and 10 mm for every different height of columns. A total of 28 unconfined compression tests had been conducted on kaolin samples. The kaolin samples had the dimensions of 50 mm in diameter and 100 mm in height. For the group PP reinforcement, shear strength increased about 2.13%, 13.51% and 12.84% for 1.44% area replacement ratio and 6.85%, 14.26% and 13.79% for 4% area replacement ratio at sample penetration ratio 0.6, 0.8, 1.0 respectively. It can be concluded that the shear strength parameters were affected by the diameter and the height of the columns and the presence of PP column greatly improve the shear strength.
format Article
author Muzamir, Hasan
Nuraini, Yusuf
Noor Amirah, Noor Shahrudeen
Anas Mohammed, Husian Kassim
author_facet Muzamir, Hasan
Nuraini, Yusuf
Noor Amirah, Noor Shahrudeen
Anas Mohammed, Husian Kassim
author_sort Muzamir, Hasan
title Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns
title_short Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns
title_full Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns
title_fullStr Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns
title_full_unstemmed Strength of Soft Clay Reinforced with Group Crushed Polypropylene (PP) Columns
title_sort strength of soft clay reinforced with group crushed polypropylene (pp) columns
publisher Geotech
publishDate 2015
url http://umpir.ump.edu.my/id/eprint/13561/1/Strenght%20of%20soft%20clay%20reinforced%20with%20group%20crushed%20polypropylene%28PP%29%20Columns.pdf
http://umpir.ump.edu.my/id/eprint/13561/7/fkasa-2015-muzamir-Strength%20of%20Soft%20Clay.pdf
http://umpir.ump.edu.my/id/eprint/13561/
http://www.ejge.com/2015/Ppr2015.0814ma.pdf
_version_ 1643667194725269504
score 13.211869

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