A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials
Slaking is a process of material parameters alteration resulting from wetting-drying cycles, changes in overburden stress, and chemical interactions. Tailings Storage Facilities (TSF) constructed with materials prone to slaking may experience breaches, especially during the post-closure period, due...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2024-02-01
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| Series: | Heliyon |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844024025209 |
| _version_ | 1827322180668489728 |
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| author | Chaminda Gallage Shiran Jayakody Tharindu Abeykoon Dareeju Biyanvilage Jay Rajapakse |
| author_facet | Chaminda Gallage Shiran Jayakody Tharindu Abeykoon Dareeju Biyanvilage Jay Rajapakse |
| author_sort | Chaminda Gallage |
| collection | DOAJ |
| description | Slaking is a process of material parameters alteration resulting from wetting-drying cycles, changes in overburden stress, and chemical interactions. Tailings Storage Facilities (TSF) constructed with materials prone to slaking may experience breaches, especially during the post-closure period, due to the deterioration of shear strength and permeability characteristics. Rockfill materials, particularly those containing clay components, can undergo various forms of crack formation, leading to disintegration as a result of wetting-drying cycles, stress increments, and intense compaction. However, there are currently limited methodologies available for replicating such material alterations on a laboratory scale. Therefore, a new large-scale laboratory testing approach has been designed to simulate variations in wetting-drying cycles, humidity, and overburden pressure, enabling the prediction of the slaking potential of TSF construction materials. This novel methodology replicates field drying-wetting cycles and variations in humidity and overburden stress in a controlled environment, allowing for the estimation of the deterioration of shear strength and permeability characteristics in rockfill materials. |
| first_indexed | 2024-03-07T22:54:30Z |
| format | Article |
| id | doaj.art-a2816cc3d903470eabaea7d21c7bd42d |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-04-25T01:20:34Z |
| publishDate | 2024-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-a2816cc3d903470eabaea7d21c7bd42d2024-03-09T09:28:25ZengElsevierHeliyon2405-84402024-02-01104e26489A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materialsChaminda Gallage0Shiran Jayakody1Tharindu Abeykoon2Dareeju Biyanvilage3Jay Rajapakse4School of Civil and Environmental Engineering, Queensland University of Technology, AustraliaSchool of Civil and Environmental Engineering, Queensland University of Technology, Australia; Corresponding author.School of Civil and Environmental Engineering, Queensland University of Technology, AustraliaWorley Limited, AustraliaSchool of Civil and Environmental Engineering, Queensland University of Technology, AustraliaSlaking is a process of material parameters alteration resulting from wetting-drying cycles, changes in overburden stress, and chemical interactions. Tailings Storage Facilities (TSF) constructed with materials prone to slaking may experience breaches, especially during the post-closure period, due to the deterioration of shear strength and permeability characteristics. Rockfill materials, particularly those containing clay components, can undergo various forms of crack formation, leading to disintegration as a result of wetting-drying cycles, stress increments, and intense compaction. However, there are currently limited methodologies available for replicating such material alterations on a laboratory scale. Therefore, a new large-scale laboratory testing approach has been designed to simulate variations in wetting-drying cycles, humidity, and overburden pressure, enabling the prediction of the slaking potential of TSF construction materials. This novel methodology replicates field drying-wetting cycles and variations in humidity and overburden stress in a controlled environment, allowing for the estimation of the deterioration of shear strength and permeability characteristics in rockfill materials.http://www.sciencedirect.com/science/article/pii/S2405844024025209Tailings storage facilityRockfill materialsSlakingDrying-wetting cyclesShear strengthPermeability characteristics |
| spellingShingle | Chaminda Gallage Shiran Jayakody Tharindu Abeykoon Dareeju Biyanvilage Jay Rajapakse A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials Heliyon Tailings storage facility Rockfill materials Slaking Drying-wetting cycles Shear strength Permeability characteristics |
| title | A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials |
| title_full | A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials |
| title_fullStr | A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials |
| title_full_unstemmed | A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials |
| title_short | A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials |
| title_sort | laboratory based test procedure for the investigation of slaking induced changes in geotechnical properties of tailing dam embankment materials |
| topic | Tailings storage facility Rockfill materials Slaking Drying-wetting cycles Shear strength Permeability characteristics |
| url | http://www.sciencedirect.com/science/article/pii/S2405844024025209 |
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