Volume 8, Issue 4 (3-2015)
2015, 8(4): 2487-2512 |
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Kordavani M, hafezi moghadas N, Ramazani omali R. Assessment water leakage zones of Minab Esteghlal dam. Journal of Engineering Geology 2015; 8 (4) :2487-2512
URL: http://jeg.khu.ac.ir/article-1-1712-en.html
URL: http://jeg.khu.ac.ir/article-1-1712-en.html
1- , mkordavani65@yahoo.com
Abstract: (7511 Views)
The Minab (Esteghlal) dam site is located in east of Minab city in Hormozgan province. The Minab active fault cross the reservoir of dam and have an important role in leakage from the reservoir. The joint study of area in ten stations around the reservoir of dam display the four main joint sets. For assessment of leakage of reservoir, the permeability of rock masses outcrops in the reservoir is estimated by hydraulic conductivity HC experimental model. For this, the RQD, GSI and other characteristics of rock mass around the reservoir were measured in field studies. The results show that the permeability of embankments changes from 9.14×10-6 up to 2.02×10-5 m/s. Also the water lost for three different condition of minimum, mean and maximum level of water table is about 0.14, 0.20 and 0.29 m3/s. The results indicate that the discontinuities with trend of east-west and northeast-southwest and also shear fault zone of Minab have main effects in leakage of reservoir.
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