2015
DOI: 10.1016/j.jenvman.2015.07.036
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Hydraulic performance of compacted clay liners under simulated daily thermal cycles

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Cited by 32 publications
(12 citation statements)
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“…The decrease in the MDD of the soils could be due to the generation or presence of micro-cracks within the soil fabric which could produce voids and fissures during compaction and finally reduced the MDD of the tested soils [14]. Similar behaviour was also obtained by Aldaeef [10] while working on hydraulic performance of compacted clay liners under the influence of both temperature and leachate exposures. The increase in OMC may also be linked to the production of microcracks.…”
Section: Effect Of Repeated Heat Treatment On Moisture Dry Density Resupporting
confidence: 66%
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“…The decrease in the MDD of the soils could be due to the generation or presence of micro-cracks within the soil fabric which could produce voids and fissures during compaction and finally reduced the MDD of the tested soils [14]. Similar behaviour was also obtained by Aldaeef [10] while working on hydraulic performance of compacted clay liners under the influence of both temperature and leachate exposures. The increase in OMC may also be linked to the production of microcracks.…”
Section: Effect Of Repeated Heat Treatment On Moisture Dry Density Resupporting
confidence: 66%
“…This is because soils may experience induced temperature changes from engineering structures such as groundwater heat pump [7], hot buried or oil and gas pipelines, buried electricity or high-voltage cables [8], and radioactive waste depositories [9]. In addition, the induced temperature change may also be as a result of daily and seasonal thermal cycles as observed in clay liner and embankments made of lateritic soils [10] or through natural wild forest fires and thermal remediation processes [11,12].…”
Section: Introductionmentioning
confidence: 99%
“…Load at failure Cross sectional area at failure of change in clay size fraction, surface charge and specific surface area of fabrics, dehydration and decomposition of soil particles, changes in mineralogy and variation in macro-and microstructure of the soils [34,35]. Elevated temperature influences the LL of the soil such that it modifies the specific surface of the soil, its fabrics as well as interparticle contacts thereby giving rise to the reduction or disappearance of diffuse double layer [7].…”
Section: Temperature Effect On Atterberg Limitsmentioning
confidence: 99%
“…In many cases, especially in developing countries, compacted clay liners (CCLs) allowing a very low saturated hydraulic conductivity, far below 1 × 10 −9 m/s, and utilizing locally available earthen materials, equipment, workmanship, and technologies, were assumed to be useful for top and bottom sealing of landfills, as they are probably more durable, easier to maintain, and cheaper than the synthetic liners. The application of certified artificial liners in developing countries requires transfer of know-how, technical support, qualified staff, and monitoring systems to allow its long-term performance, also after the closure of the landfill [4,[13][14][15][16][17][18].…”
Section: Introductionmentioning
confidence: 99%