EFFECT OF FREEZE-THAW AND HEATING-COOLING PROCESSES ON PERMEABILITY OF: LUSHAN SANDSTONE

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HOSSEINI M.; Fakhri d.

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Journal: JOURNAL OF MINERAL RESOURCES ENGINEERING Year:2019 | Volume:3 | Issue:4 Page(s): 75-91

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Title

EFFECT OF FREEZE-THAW AND HEATING-COOLING PROCESSES ON PERMEABILITY OF: LUSHAN SANDSTONE

Author(s)

HOSSEINI M. | Fakhri d. | Issue Writer Certificate

Keywords

Sandstone

Permeability

Freeze-thaw process

Heating-cooling process

Rock

Abstract

Rocks are usually exposed to freeze-thaw and/or heating-cooling conditions in many environments. In this research, Sandstone specimens of Lushan area were used and investigated the impact of number of freeze-thaw cycles and the effect of temperature in the Heating-cooling process on Sandstone Permeability. The freezing temperature of-16° C was considered to study the effect of number of cycles. In this state, the tests were carried out on the specimens withstood 1, 5, 10, and 20 freeze-thaw cycles. To study the effect of heating-cooling, the tests were conducted on the specimens that withstood one heating-cooling cycle. The specimens withstood temperatures of 60, 100, 200, 400, 600, 800, and 1000 ° C at the heating process and then cooled in the laboratory environment. Results indicated that Permeability rate reduced after one cycle of freeze-thaw cycles the reduction continued to 5 cycles. Permeability increased slightly in 10 cycles and the increase was significant in 20 cycles. Sandstone Permeability reduced up to 100 ° C and then increased with the temperature increasing at the Heating-cooling process. Permeability changes in the Heating-cooling process were consistent with the variations of velocity of longitudinal waves, dry unit weight, and effective porosity.

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APA: Copy

HOSSEINI, M., & Fakhri, d.. (2019). EFFECT OF FREEZE-THAW AND HEATING-COOLING PROCESSES ON PERMEABILITY OF: LUSHAN SANDSTONE. JOURNAL OF MINERAL RESOURCES ENGINEERING, 3(4 ), 75-91. SID. https://sid.ir/paper/265370/en

Vancouver: Copy

HOSSEINI M., Fakhri d.. EFFECT OF FREEZE-THAW AND HEATING-COOLING PROCESSES ON PERMEABILITY OF: LUSHAN SANDSTONE. JOURNAL OF MINERAL RESOURCES ENGINEERING[Internet]. 2019;3(4 ):75-91. Available from: https://sid.ir/paper/265370/en

IEEE: Copy

M. HOSSEINI, and d. Fakhri, “EFFECT OF FREEZE-THAW AND HEATING-COOLING PROCESSES ON PERMEABILITY OF: LUSHAN SANDSTONE,” JOURNAL OF MINERAL RESOURCES ENGINEERING, vol. 3, no. 4 , pp. 75–91, 2019, [Online]. Available: https://sid.ir/paper/265370/en

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