Lime-Covered Soil Stabilization on the Surronding Area of a Lime-kiln (Torbat-Heydarieh) Using Sulfur and Sodium Silicate
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Carbonates contaminate soil and water resources. The use of stabilizers is an effective method to improve soil characteristics. The single and interaction effects of two treatments consisting of sodium-silicate and sulfur at 0, 5, 10, and 15 g/m2 were studied on the lime-covered Soil stabilization and water erosion control in a factorial design, on the 9% slope standard plots uses a rainfall simulator with an intensity and duration of 1.4mm/min and 20 min, respectively. The results indicated that between the two the sodium-silicate and sulfur factors, only the main effect of sodium-silicate had a significant effect on the runoff volume, sediment weight, and concentration as well as the runoff coefficient variables; however, it had no significant effect on the total infiltration rate and the lime percentage variables. Moreover, the sulfur and sodium-silicate factors had significant interaction effects on the sediment weight (Sig.=0.011), sediment concentration (Sig.=0.019), and lime percentage (Sig.=0.000) variables. The interactive effect of the two studied treatments significantly reduced the lime in the soil samples. Therefore, the combination of the two treatments had the highest effect on lime stabilization. Moreover, sodium-silicate had an effective role in soil stabilization. Therefore, a single application of 7.5 g/m2 of sodium-silicate and with its combination with 5 g/m2 sulfur is recommended for erosion control and lime stabilization, respectively.
Keywords:
Language:
Persian
Published:
Whatershed Management Research, Volume:34 Issue: 133, 2022
Pages:
88 to 103
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