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Effect of Prefabricated Vertical Drains and Electro-Osmosis in treating consolidation problems in soils.

Lee, Kerby (2004) Effect of Prefabricated Vertical Drains and Electro-Osmosis in treating consolidation problems in soils. Universiti Teknologi Petronas. (Unpublished)

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Abstract

In general, a given soil must reach full consolidation before any structure can be built on it. It is critical that all excess water be removed from the soil before construction begins. However, fine-grained, compressible soils have a low permeability and therefore it take a very long time to consolidate. To achieve the desired consolidation rate, various method and techniques are presently used at construction site. This project makes comparison between using Prefabricated Vertical Drains, Electro- Osmosis, and the traditional way by surcharging method as a consolidation tools. Tests were done initially to determine the soil characteristic to be used in the experiment. Consecutively, a Perspex prototype was build in order to conduct a scaled-down lab test and the data is collected on a regular basis from a computer used to take down compression gauge readings. Effectiveness measured in terms of soil settlement and reductionin moisture contentand increase in shear strengthin the sample tested. The data is then plotted into graph for comparison analysis to be done. The end results show that the electro-osmosis is a better way to consolidate the soil tested gauging form the improvement in the above mentioned soil characteristic.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Environmental - Wastewater treatment
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:22
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7163

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