Volume 23, Issue 2 (Summer 2019)                   jwss 2019, 23(2): 127-140 | Back to browse issues page

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Zoraghi G H, Shabani Goraji K, Noura M R, Rashki A R. The Effect of Hydrated Lime Slurry on Stabilizing Sand Dunes Mobility. jwss 2019; 23 (2) :127-140
URL: http://jstnar.iut.ac.ir/article-1-3582-en.html
1. Department of Geology, Islamic Azad University Zahedan Branch, Zahedan, Iran. , ksg1354@yahoo.com
Abstract:   (4839 Views)
Creating a mulch layer on the sand dunes surface has long been applied to reduce their mobility. However, application of oil mulch in some countries, in addition to high costs, has many environmental problems. In this research, the hydrated lime slurry was used as a protective cover on the sand dunes. The slurry was prepared in three treatments with 3, 5 and 7% lime and sprayed uniformly on 2×5 m plots on the sand dunes surface. The average thickness of different types of mulch was measured by a caliper and then their abrasions were calculated in two-month intervals for three calcareous and controlling treatments at three locations. Statistical analysis was performed by using SPSS and the Excel software. The results showed that the 3% lime slurry layer had no resistance to wind abrasion and was comparable to the controlling sites. The results obtained for the 5 and 7% lime slurry mulch layers indicated that the increase in lime percentage raised the mulch resistance against the wind abrasion. The 7% lime slurry layer with a 6.3 mm thickness showed the highest abrasion resistance in the natural conditions.
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Type of Study: Research | Subject: Ggeneral
Received: 2017/09/21 | Accepted: 2018/06/17 | Published: 2019/09/1

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