USE OF GROUTING AND RESERVOIR WATER LEVEL PRESSURE BALANCE IN WATER STOPPING THE LEAKAGE OF ZAVIN DAM SITE

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GHAZIFARD A.; HAFEZI MOGHADDAS N.; TALI N.

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Paper Information

Journal: JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY) Year:2011 | Volume:7 | Issue:3 Page(s): 233-244

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Title

USE OF GROUTING AND RESERVOIR WATER LEVEL PRESSURE BALANCE IN WATER STOPPING THE LEAKAGE OF ZAVIN DAM SITE

Author(s)

GHAZIFARD A. | HAFEZI MOGHADDAS N. | TALI N. | Issue Writer Certificate

Keywords

ZAVIN DAMQ2

GROUTINGQ2

WATER LEAKAGEQ2

BOREHOLEQ2

GROUT MIXTUREQ2

Abstract

Controlling of any leakage in dams is a basic requirement for their safe design. For this purpose, doing of investigation on geological structures of the dam site is necessary for design of any impermeable systems. After the watering of the ZAVIN DAM, in north east of Iran, leakage was observed from the left abutment when the water level was increased. An extensive study was performed to find out the reason of the leakage as well as proposing a mitigation measure. This study included an extensive field geological survey in dam site. Moreover based on the geological and the geotechnical information and a seepage analysis the design of the initial impermeable grout curtain was modified. A new method of GROUTING with balanced GROUTING pressure and water head was designed and utilized in improvement of the existing grout curtain while the water level in reservoir was considerably high. This execution method is called as "grouting with balanced pressure" here. The method was successfully used in the case of the ZAVIN DAM. During the GROUTING operation, the grout suspension was regularly tested to avoid any segregation. This was important for satisfactory filling of the joints and discontinuities of the rock mass of the abutment. The operation resulted in complete control of the seepage in downstream side.

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APA: Copy

GHAZIFARD, A., HAFEZI MOGHADDAS, N., & TALI, N.. (2011). USE OF GROUTING AND RESERVOIR WATER LEVEL PRESSURE BALANCE IN WATER STOPPING THE LEAKAGE OF ZAVIN DAM SITE. JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY), 7(3), 233-244. SID. https://sid.ir/paper/127043/en

Vancouver: Copy

GHAZIFARD A., HAFEZI MOGHADDAS N., TALI N.. USE OF GROUTING AND RESERVOIR WATER LEVEL PRESSURE BALANCE IN WATER STOPPING THE LEAKAGE OF ZAVIN DAM SITE. JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY)[Internet]. 2011;7(3):233-244. Available from: https://sid.ir/paper/127043/en

IEEE: Copy

A. GHAZIFARD, N. HAFEZI MOGHADDAS, and N. TALI, “USE OF GROUTING AND RESERVOIR WATER LEVEL PRESSURE BALANCE IN WATER STOPPING THE LEAKAGE OF ZAVIN DAM SITE,” JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY), vol. 7, no. 3, pp. 233–244, 2011, [Online]. Available: https://sid.ir/paper/127043/en

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