Evaluation of Mechanical Properties of Reinforced Cemented Sandy Soils with Polypropylene Fibers

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Malidarreh N. R.; SHOOSHPASHA I.; Mirhosseini S. M.; DEHESTANI M.

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Journal: JOURNAL OF TRANSPORTATION RESEARCH Year:2019 | Volume:15 | Issue:57 Page(s): 263-273

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Title

Evaluation of Mechanical Properties of Reinforced Cemented Sandy Soils with Polypropylene Fibers

Author(s)

Malidarreh N. R. | SHOOSHPASHA I. | Mirhosseini S. M. | DEHESTANI M. | Issue Writer Certificate

Keywords

Direct Shear TestQ2

Triaxial TestQ1

Polypropylene FibersQ1

Non-Cemented SandQ1

Cemented SandQ1

Abstract

Coastal sandy soils cover a large part of the soil of northern part of the country. These soils will have problems due to loose characteristic and lack of proper strength properties for roads building. Beach sand is encountered with the wash-out phenomenon due to uniform gradation and lack of cohesion at the time of the water flow in an unconfined state. To solve the problem of these soils, various methods such as reinforcement with different materials are used. In this research, the effect of adding various percentages of Polypropylene Fibers to non-cemented and Cemented Sand on the mechanical characteristics of sandy soils of Babolsar beach was investigated by performing Direct Shear Tests and Triaxial Tests. According to the results, adding these fibers improves the internal friction angle, cohesion, maximum strength, Failure strain and residual strength of sand. Comparison of the results of Direct Shear Tests and Triaxial Tests showed that, due to the proper orientation of the fibers relative to the direction of main tensile strains in Triaxial Tests, the efficiency and their effect on the soil resistance behavior in triaxial samples were more significant than Direct Shear Tests.

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APA: Copy

Malidarreh, N. R., SHOOSHPASHA, I., Mirhosseini, S. M., & DEHESTANI, M.. (2019). Evaluation of Mechanical Properties of Reinforced Cemented Sandy Soils with Polypropylene Fibers. JOURNAL OF TRANSPORTATION RESEARCH, 15(57 ), 263-273. SID. https://sid.ir/paper/84008/en

Vancouver: Copy

Malidarreh N. R., SHOOSHPASHA I., Mirhosseini S. M., DEHESTANI M.. Evaluation of Mechanical Properties of Reinforced Cemented Sandy Soils with Polypropylene Fibers. JOURNAL OF TRANSPORTATION RESEARCH[Internet]. 2019;15(57 ):263-273. Available from: https://sid.ir/paper/84008/en

IEEE: Copy

N. R. Malidarreh, I. SHOOSHPASHA, S. M. Mirhosseini, and M. DEHESTANI, “Evaluation of Mechanical Properties of Reinforced Cemented Sandy Soils with Polypropylene Fibers,” JOURNAL OF TRANSPORTATION RESEARCH, vol. 15, no. 57 , pp. 263–273, 2019, [Online]. Available: https://sid.ir/paper/84008/en

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