Application of Polypropylene Fibers, Lime and Stone Powder Waste on the Stabilization of Clay Soil

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ABBASI N.; Heydari Pakroo A.; BAHRAMLOO R.

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Journal: Journal of Water and Soil Science Year:2020 | Volume:24 | Issue:2 Page(s): 221-234

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Title

Application of Polypropylene Fibers, Lime and Stone Powder Waste on the Stabilization of Clay Soil

Author(s)

ABBASI N. | Heydari Pakroo A. | BAHRAMLOO R. | Issue Writer Certificate

Keywords

Unconfined Compressive StrengthQ1

soil improvementQ1

irrigation canal liningQ1

Harvard compaction testQ1

Abstract

The use of additives to modify the physical, chemical and mechanical properties of soil and soil stabilization is one of the most common methods that have a history. By adding one or more additives to the soil and carrying out the required measures, the engineering properties of soils could be improved due to chemical reactions. Selecting the type and amount of additive depends on several factors such as: soil type, stabilization purpose, additives inherent characteristics, etc.; these are determined based on the technical and economic aspects of the projects. In this study, the effects of the simultaneous use of three types of additives including lime, stone powder and polypropylene fibers on the Unconfined Compressive Strength of a clayey soil were investigated. To do this, four different levels of lime (0, 2, 3 and 5 percent by weight of soil) and four different levels of stone powder waste (0, 2, 5 and 10 percent by weight of soil) and Polypropylene fibers with different percentages in five levels of 0, 0. 25, 0. 5 and 1 percent by weight of soil were added into a high plastic clay soil classified as CH. Then, some physical and mechanical characteristics of different mixtures including plasticity, compaction and Unconfined Compressive Strength were determined. The results showed that the samples were stabilized with lime and stone powder waste and reinforcement them with polypropylene fibers modified Atterberg Limits, optimum moisture and maximum dry density of the mixtures. Also, it was found that a combination of waste stone powder, lime and polypropylene fibers containing 5, 5 and 1 percent by weight of soil increased the Unconfined Compressive Strength 8-fold, as compared to the natural soil. The curing time also had a significant impact on the compressive strength of the treated samples in which the 28-day compressive strength of was found to be about 2 times of the 7-day samples.

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APA: Copy

ABBASI, N., Heydari Pakroo, A., & BAHRAMLOO, R.. (2020). Application of Polypropylene Fibers, Lime and Stone Powder Waste on the Stabilization of Clay Soil. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 24(2 ), 221-234. SID. https://sid.ir/paper/364642/en

Vancouver: Copy

ABBASI N., Heydari Pakroo A., BAHRAMLOO R.. Application of Polypropylene Fibers, Lime and Stone Powder Waste on the Stabilization of Clay Soil. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2020;24(2 ):221-234. Available from: https://sid.ir/paper/364642/en

IEEE: Copy

N. ABBASI, A. Heydari Pakroo, and R. BAHRAMLOO, “Application of Polypropylene Fibers, Lime and Stone Powder Waste on the Stabilization of Clay Soil,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 24, no. 2 , pp. 221–234, 2020, [Online]. Available: https://sid.ir/paper/364642/en

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