EFFECTS OF SOIL-ATMOSPHERE INTERACTION ON THE PHREATIC SURFACE AND STABILITY OF TAILING DAMS (CASE STUDY: SARCHESHMEH TAILING DAM)

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PAK A.; HASSANI N.A.

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Journal: Sharif Journal of Civil Engineering Year:2016 | Volume:32-2 | Issue:3.2 Page(s): 107-115

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Title

EFFECTS OF SOIL-ATMOSPHERE INTERACTION ON THE PHREATIC SURFACE AND STABILITY OF TAILING DAMS (CASE STUDY: SARCHESHMEH TAILING DAM)

Author(s)

PAK A. | HASSANI N.A. | Issue Writer Certificate

Keywords

TAILING DAMSQ2

PHREATIC LINEQ2

STABILITYQ2

SOILAIR INTERACTIONQ2

CAPILLARY EFFECTSQ2

Abstract

Positioning of the phreatic surface in a dam body plays a critical role in the STABILITY of TAILING DAMS.Soil-atmosphere interaction effects, such as precipitation, runoff, interception, infiltration, and evaporation, on the one hand, and unsaturated soil effects, such as capillary rise, on the other, cause significant changes in the situation of the phreatic surface.In this paper, first, different mechanisms that affect the PHREATIC LINE level in the TAILING DAMS and their corresponding equations are studied, and a computer program is developed for calculating the uctuations of the PHREATIC LINE. Then, for evaluating the usefulness of the program in real time problems, the STABILITY of “Sarcheshmeh” copper mine tailing dam in Rafsanjan city, Iran, has been studied. Plaxis software Ver.8.0 has been used for modeling this tailing dam. Necessary parameters for modeling this dam have been obtained from the results of different laboratory tests on tailing materials, and information available from synoptic stations of the meteorological organization of Iran in the area. After determining the amount of change in the phreatic level for a special period of time, the STABILITY of the dam was studied, based on calculating the factor of safety under different conditions.The results show that by constructing new dikes, the safety factor decreases. Also, the results show that those parameters that increase the phreatic level reduce the safety factor, and the STABILITY of the tailing dam will be threatened. Among different parameters affecting the phreatic level, capillary rise was found to be the most significant factor in regard to tailing dam STABILITY when constructed in arid areas.

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APA: Copy

PAK, A., & HASSANI, N.A.. (2016). EFFECTS OF SOIL-ATMOSPHERE INTERACTION ON THE PHREATIC SURFACE AND STABILITY OF TAILING DAMS (CASE STUDY: SARCHESHMEH TAILING DAM). SHARIF: CIVIL ENINEERING, 32-2(3.2), 107-115. SID. https://sid.ir/paper/128147/en

Vancouver: Copy

PAK A., HASSANI N.A.. EFFECTS OF SOIL-ATMOSPHERE INTERACTION ON THE PHREATIC SURFACE AND STABILITY OF TAILING DAMS (CASE STUDY: SARCHESHMEH TAILING DAM). SHARIF: CIVIL ENINEERING[Internet]. 2016;32-2(3.2):107-115. Available from: https://sid.ir/paper/128147/en

IEEE: Copy

A. PAK, and N.A. HASSANI, “EFFECTS OF SOIL-ATMOSPHERE INTERACTION ON THE PHREATIC SURFACE AND STABILITY OF TAILING DAMS (CASE STUDY: SARCHESHMEH TAILING DAM),” SHARIF: CIVIL ENINEERING, vol. 32-2, no. 3.2, pp. 107–115, 2016, [Online]. Available: https://sid.ir/paper/128147/en

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