Laboratory investigation of geotextile position on CBR of clayey sand soil under freeze-thaw cycle

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SHAMS B.; ARDAKANI A.; ROUSTAEI M.

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Journal Paper

Paper Information

Journal: SCIENTIA IRANICA Year:2020 | Volume:27 | Issue:6 (Transactions A: Civil Engineering) Page(s): 2808-2816

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Title

Laboratory investigation of geotextile position on CBR of clayey sand soil under freeze-thaw cycle

Author(s)

SHAMS B. | ARDAKANI A. | ROUSTAEI M. | Issue Writer Certificate

Keywords

Geotextile

California bearing ratio

Freeze-thaw cycling

Clayey sand soil

Soil stabilization

Abstract

Soil in cold regions experiences repetitive freeze-thaw cycles that are considered as one of the most significant phenomena in cold region engineering. Approximately 30% of soil all around the world and a large portion of fertile lands are exposed to daily or seasonal freeze-thaw cycles. These cycles cause considerable changes in water content, solute movement, permeability, strength parameters, erosion rate, and other physical or chemical characteristics of soil. Nowadays, one of the approaches to improving the physical and mechanical characteristics of the soil is to incorporate geosynthetic material as a layer between the embankment and the ground surface. This paper presents the results of California bearing ratio that tests clayey sandy soil. Moreover, the effect of freezethaw cycles on the compressive strength of Geotextile-reinforced soil was investigated. The Geotextile layer was placed in five positions at different depths of 1. 3, 2. 6, 3. 9, 5. 85, and 7. 8 cm beneath the surface of the mold and then, the sample was exposed to freeze-thaw cycles. It was found that the optimum depth of the Geotextile layer was 3. 9 cm. In addition, it could be observed that reinforcing the soil could decrease the weakening effects of freeze thaw cycles by up to 41. 7%.

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APA: Copy

SHAMS, B., ARDAKANI, A., & ROUSTAEI, M.. (2020). Laboratory investigation of geotextile position on CBR of clayey sand soil under freeze-thaw cycle. SCIENTIA IRANICA, 27(6 (Transactions A: Civil Engineering)), 2808-2816. SID. https://sid.ir/paper/983052/en

Vancouver: Copy

SHAMS B., ARDAKANI A., ROUSTAEI M.. Laboratory investigation of geotextile position on CBR of clayey sand soil under freeze-thaw cycle. SCIENTIA IRANICA[Internet]. 2020;27(6 (Transactions A: Civil Engineering)):2808-2816. Available from: https://sid.ir/paper/983052/en

IEEE: Copy

B. SHAMS, A. ARDAKANI, and M. ROUSTAEI, “Laboratory investigation of geotextile position on CBR of clayey sand soil under freeze-thaw cycle,” SCIENTIA IRANICA, vol. 27, no. 6 (Transactions A: Civil Engineering), pp. 2808–2816, 2020, [Online]. Available: https://sid.ir/paper/983052/en

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