Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani

This thesis reports an experiment investigation of negative skin friction on pile and presents the tests results of model piles in kaolin clay soil. In the model test, piles were install by penetrating a pile into clay. Particular attention is given to the influence of pile roughness on negative ski...

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Main Author:	Adb. Rani, Mohamad Zamri
Format:	Thesis
Language:	English
Published:	2000
Subjects:	TA Engineering Civil engineering
Online Access:	https://ir.uitm.edu.my/id/eprint/100005/1/100005.pdf
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id	my-uitm-ir.100005
record_format	uketd_dc
spelling	my-uitm-ir.1000052024-08-07T14:16:17Z Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani 2000 Adb. Rani, Mohamad Zamri TA Engineering. Civil engineering This thesis reports an experiment investigation of negative skin friction on pile and presents the tests results of model piles in kaolin clay soil. In the model test, piles were install by penetrating a pile into clay. Particular attention is given to the influence of pile roughness on negative skin friction. It was to investigate also how the difference of pile diameter would effect the negative skin friction. The difference size of diameter of piles 20 mm and 30 mm and the same length 91 mm ( 3 ft) were used in this study. The soil was compressed by incremental of air pressure. The problem of a single pile that penetrates through a soil layer will give a complex state of stresses in the soil around a pile. The zone of soil adjacent to the pile shaft would also be completely remoulded by the installation process. The properties of this remoulded soil would be altered significantly. The effects of these changes are very complex and as yet not well understood. The model experiment was carried out in a circular tank with the diameter of 1000 mm and a depth of 1500 mm. At the base of the tank, the gravel and sand was installed to provide drainage for water. The soil was formed slurry with water content of 120 %. The slurry was consolidated one-dimensionally in the tank with a double incremental pressure of 50 to 400 Kpa. Then pile was push into clay with constant rate of penetration. The surcharge on the clay was increased to initiative the settlements of clay that turn gave a down-drag force on pile. During penetration a down-drag stress give a maximum value 2000 Thesis https://ir.uitm.edu.my/id/eprint/100005/ https://ir.uitm.edu.my/id/eprint/100005/1/100005.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Civil Engineering Ismail, Haron
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Ismail, Haron
topic	TA Engineering Civil engineering
spellingShingle	TA Engineering Civil engineering Adb. Rani, Mohamad Zamri Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani
description	This thesis reports an experiment investigation of negative skin friction on pile and presents the tests results of model piles in kaolin clay soil. In the model test, piles were install by penetrating a pile into clay. Particular attention is given to the influence of pile roughness on negative skin friction. It was to investigate also how the difference of pile diameter would effect the negative skin friction. The difference size of diameter of piles 20 mm and 30 mm and the same length 91 mm ( 3 ft) were used in this study. The soil was compressed by incremental of air pressure. The problem of a single pile that penetrates through a soil layer will give a complex state of stresses in the soil around a pile. The zone of soil adjacent to the pile shaft would also be completely remoulded by the installation process. The properties of this remoulded soil would be altered significantly. The effects of these changes are very complex and as yet not well understood. The model experiment was carried out in a circular tank with the diameter of 1000 mm and a depth of 1500 mm. At the base of the tank, the gravel and sand was installed to provide drainage for water. The soil was formed slurry with water content of 120 %. The slurry was consolidated one-dimensionally in the tank with a double incremental pressure of 50 to 400 Kpa. Then pile was push into clay with constant rate of penetration. The surcharge on the clay was increased to initiative the settlements of clay that turn gave a down-drag force on pile. During penetration a down-drag stress give a maximum value
format	Thesis
qualification_level	Bachelor degree
author	Adb. Rani, Mohamad Zamri
author_facet	Adb. Rani, Mohamad Zamri
author_sort	Adb. Rani, Mohamad Zamri
title	Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani
title_short	Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani
title_full	Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani
title_fullStr	Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani
title_full_unstemmed	Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani
title_sort	influence of piles roughness on negative skin friction/ mohamad zamri adb. rani
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Civil Engineering
publishDate	2000
url	https://ir.uitm.edu.my/id/eprint/100005/1/100005.pdf
_version_	1811769044717535232

Influence of piles roughness on negative skin friction/ Mohamad Zamri Adb. Rani

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