Mohd Fahmie Izzudin Sharudin (2022) Characteristic of peat soil stabilized with NaOH as chemical additives under compaction conditions. Universiti Malaysia Sabah. (Unpublished)
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Abstract
Peat in various phases of decomposition has a poor shear strength and a high compressive deformation, which causes problems when construction work is done on the deposit. The characteristic that has been noted before which is, high moisture content, poor shear strength, great compressibility and long-term settlement. Peat soil is a troublesome soil, and every engineer has sought to avoid working with it. When the major reason is peat soil, a variety of issues might arise, including slip failure, local sinking, and long-term settling as load increases. Normally, they will mix peat soils with some chemical substance or waste material like fly ash, shredded waste tire chips, Calcium Oxide (CaO), Sodium Hydroxide (NaOH) and many others. For this research study, it will focus on stabilizing peat soil using NaoH. There are tWO main testing that conducted in this research study, which are, Index Properties Testing and Compaction Test. For Index Properties testing, there were six (6) experiment conducted to study the index properties of disturbed peat soil which are, moisture content, fiber content, organic content, liquid limit, pH and specific gravity. Then, for the Compaction Test, a 4.5kg rammer have been used to determine the best mixture of stabilizer that blended with different volumes of 5%, 7%, and 9% stabilizer. The desired outcome of this study is to stimulate further research into the use of the chemical NaOH as a peat soil stabilizer for improved soil usage. The goal of this study is to fill in the gaps in the study of peat soil index properties with a specific concentration of stabilizers and to determine the stabilized peat soil. For 7% and 9% of NaOH only have a slight different and it can be concluded that was the optimum percentage of NaOH as a chemical stabilizer for peat soil. It can be seen clearly that 5% is the higher dry density with lesser moisture content of the peat. When the percentage of NaOH was increased, the graph pattern also changed.
| Item Type: | Academic Exercise |
|---|---|
| Keyword: | Peat soil , NaOH , Chemical |
| Subjects: | T Technology > TP Chemical technology > TP1-1185 Chemical technology |
| Department: | FACULTY > Faculty of Engineering |
| Depositing User: | DG MASNIAH AHMAD - |
| Date Deposited: | 23 Mar 2023 10:17 |
| Last Modified: | 23 Mar 2023 10:17 |
| URI: | https://eprints.ums.edu.my/id/eprint/35246 |
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