Volume 5, Issue 19 (Volume 5; Number 19; Spring 2015 2015)                   2015, 5(19): 1-11 | Back to browse issues page

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Tadayonfar G, shahmiri N. Labor study of polymer effect on fine-grained soil stabilization and its role in reducing hazes in arid and semi arid areas. Arid Regions Geographic Studies. 2015; 5 (19) :1-11
URL: http://journals.hsu.ac.ir/jarhs/article-1-541-en.html
University of Hakim Sabzevari , rezatadayon@yahoo.com
Abstract:   (10605 Views)
Iran is located in the desert and sandy location because the large sections of this country is on arid and semi arid belt of the world. Due to the dust and Haze in these areas is a major problem that has plagued the residents and bystanders and so lives of them is disrupted every so often. Airflow of the monsoon winds, which caused a mass of clay and silt as so as spread dust and smoke in the atmosphere, it does limit sometime visibility between 1 and 2 km in the horizontal. In addition to the environmental problems of this phenomenon, it has many hazards for heart disease - cardiovascular and respiratory and so be detrimental to the children. In this regard, the subject soil stabilization using polymer as a way to reduce the production of dust is defined for prone area. In this paper, the effect of polymer acrylic on a mass of fine-grained soil has been studied. The soil has been simulated for different sizes of fine grains. Samples in this study were uncompacted particles of soil with different amount of water-solvated polymer (0, 5, 10, 15,20,25,30 grams per meter squared) poured over them. These samples are kept in experimental environment for 7 days. After ensuring complete dryness, their stabilities are tested against wind flow with 72 km/h speed. Results show that adding more polymers to soil would considerably increase its particles’ stabilities. This stability is due to positive reaction of polymer with soil particles. The effect of this stability is maintained during sample drying time in the lab and the soil maintains its characteristics during testing. The best results are obtained for 4% polymer, where caused increase in stability to about 15 times that of the soil without polymer
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Type of Study: Research | Subject: محیط زیست
Received: 17/May/14 | Accepted: 02/Oct/15 | Published: 09/Dec/15

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