Strength improvement of lime-treated clay with sodium chloride
Lime stabilisation of organic clay has often been studied in the past. However, there is some evidence in the literature that the presence of high concentrations of organic matter in clay soil can lessen the chemical reaction between lime and clay minerals and can have detrimental effects on the eng...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Ice Publishing
2017
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| Online Access: | http://eprints.utm.my/77288/1/DariuszWanatowski2017_StrengthImprovementofLimeTreatedClay.pdf |
| _version_ | 1796862659951329280 |
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| author | Mohd. Yunus, Nor Zurairahetty Wanatowski, Dariusz Marto, Aminaton Jusoh, Siti Norafida |
| author_facet | Mohd. Yunus, Nor Zurairahetty Wanatowski, Dariusz Marto, Aminaton Jusoh, Siti Norafida |
| author_sort | Mohd. Yunus, Nor Zurairahetty |
| collection | ePrints |
| description | Lime stabilisation of organic clay has often been studied in the past. However, there is some evidence in the literature that the presence of high concentrations of organic matter in clay soil can lessen the chemical reaction between lime and clay minerals and can have detrimental effects on the engineering properties of soil. Hence, in this paper, the stress-strain behaviour and strength properties of organic soil treated with lime and sodium chloride (NaCl) are analysed. A soil mixture, prepared with 5% lime content and 1.5% humic acid, was stabilised with varying quantities of sodium chloride (0.5, 2.0 and 5.0%). Consolidated undrained and drained triaxial tests were carried out on specimens at curing periods of 7 and 28 d with applied confining pressures of 50 and 100 kPa. Scanning electron microscopy and X-ray diffraction analysis were used to observe the microstructural changes resulting from cementation materials. It was found that the introduction of sodium chloride improved considerably the strength properties of the lime-treated organic clay. The microstructural analysis also confirmed the presence of calcium silicate hydrate in a salt-treated organic clay, which was the main contributing factor to the enhanced engineering properties of the clay. |
| first_indexed | 2024-03-05T20:14:59Z |
| format | Article |
| id | utm.eprints-77288 |
| institution | Universiti Teknologi Malaysia - ePrints |
| language | English |
| last_indexed | 2024-03-05T20:14:59Z |
| publishDate | 2017 |
| publisher | Ice Publishing |
| record_format | dspace |
| spelling | utm.eprints-772882018-06-29T21:27:19Z http://eprints.utm.my/77288/ Strength improvement of lime-treated clay with sodium chloride Mohd. Yunus, Nor Zurairahetty Wanatowski, Dariusz Marto, Aminaton Jusoh, Siti Norafida TA Engineering (General). Civil engineering (General) Lime stabilisation of organic clay has often been studied in the past. However, there is some evidence in the literature that the presence of high concentrations of organic matter in clay soil can lessen the chemical reaction between lime and clay minerals and can have detrimental effects on the engineering properties of soil. Hence, in this paper, the stress-strain behaviour and strength properties of organic soil treated with lime and sodium chloride (NaCl) are analysed. A soil mixture, prepared with 5% lime content and 1.5% humic acid, was stabilised with varying quantities of sodium chloride (0.5, 2.0 and 5.0%). Consolidated undrained and drained triaxial tests were carried out on specimens at curing periods of 7 and 28 d with applied confining pressures of 50 and 100 kPa. Scanning electron microscopy and X-ray diffraction analysis were used to observe the microstructural changes resulting from cementation materials. It was found that the introduction of sodium chloride improved considerably the strength properties of the lime-treated organic clay. The microstructural analysis also confirmed the presence of calcium silicate hydrate in a salt-treated organic clay, which was the main contributing factor to the enhanced engineering properties of the clay. Ice Publishing 2017 Article PeerReviewed application/pdf en http://eprints.utm.my/77288/1/DariuszWanatowski2017_StrengthImprovementofLimeTreatedClay.pdf Mohd. Yunus, Nor Zurairahetty and Wanatowski, Dariusz and Marto, Aminaton and Jusoh, Siti Norafida (2017) Strength improvement of lime-treated clay with sodium chloride. Geotechnical Research, 4 (4). pp. 192-202. ISSN 2052-6156 DOI:10.1680/jgere.17.00001 |
| spellingShingle | TA Engineering (General). Civil engineering (General) Mohd. Yunus, Nor Zurairahetty Wanatowski, Dariusz Marto, Aminaton Jusoh, Siti Norafida Strength improvement of lime-treated clay with sodium chloride |
| title | Strength improvement of lime-treated clay with sodium chloride |
| title_full | Strength improvement of lime-treated clay with sodium chloride |
| title_fullStr | Strength improvement of lime-treated clay with sodium chloride |
| title_full_unstemmed | Strength improvement of lime-treated clay with sodium chloride |
| title_short | Strength improvement of lime-treated clay with sodium chloride |
| title_sort | strength improvement of lime treated clay with sodium chloride |
| topic | TA Engineering (General). Civil engineering (General) |
| url | http://eprints.utm.my/77288/1/DariuszWanatowski2017_StrengthImprovementofLimeTreatedClay.pdf |
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