NUMERICAL ANALYSIS OF ENERGY TRANSMISSION THROUGH DISCONTINUITIES AND FILLINGS IN KANGIR DAM

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SIAMAKI A.; BAKHSHANDEH AMNIEH H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2016 | Volume:7 | Issue:2 Page(s): 251-259

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Title

NUMERICAL ANALYSIS OF ENERGY TRANSMISSION THROUGH DISCONTINUITIES AND FILLINGS IN KANGIR DAM

Author(s)

SIAMAKI A. | BAKHSHANDEH AMNIEH H. | Issue Writer Certificate

Keywords

PEAK PARTICLE VELOCITYQ1

DISCONTINUITYQ1

FILLINGQ1

ATTENUATIONQ2

BLASTINGQ1

Abstract

A considerable amount of energy is released in the form of shock wave from explosive charge detonation. Shock wave energy is responsible for the creation of crushing and fracture zone around the blast hole. The rest of the shock wave energy is transferred to rock mass as ground vibration. Ground vibration is conveyed to the adjacent structures by body and surface waves. Geological structures like faults, fractures, and FILLINGs play important roles in the wave ATTENUATION. Studying the mechanism of ground wave propagation from blasts gives a better understanding about the stress wave transmission and its effect on the near structures. In this research work, the stress wave transmissions from discontinuities and FILLINGs were evaluated using a field measurement and a Universal Distinct Element Code (UDEC). A single-hole blast was conducted in the Kangir dam, and the resulting vibrations were measured in many points before and after the faults. Numerical simulation shows the effects of geo-mechanical properties of FILLINGs on the reflection and refraction rate of the stress wave. There are more energy reflections in the rock boundaries and soil FILLINGs, and more energy is absorbed by soil FILLINGs compared with rock FILLINGs. Furthermore, there is a close correlation between the ground vibration records for the Kangir dam and the numerical results. The maximum relative error between the actual records and the simulated ones was found to be 18.5%, which shows the UDEC ability for the prediction of blast vibrations.

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APA: Copy

SIAMAKI, A., & BAKHSHANDEH AMNIEH, H.. (2016). NUMERICAL ANALYSIS OF ENERGY TRANSMISSION THROUGH DISCONTINUITIES AND FILLINGS IN KANGIR DAM. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 7(2), 251-259. SID. https://sid.ir/paper/256356/en

Vancouver: Copy

SIAMAKI A., BAKHSHANDEH AMNIEH H.. NUMERICAL ANALYSIS OF ENERGY TRANSMISSION THROUGH DISCONTINUITIES AND FILLINGS IN KANGIR DAM. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2016;7(2):251-259. Available from: https://sid.ir/paper/256356/en

IEEE: Copy

A. SIAMAKI, and H. BAKHSHANDEH AMNIEH, “NUMERICAL ANALYSIS OF ENERGY TRANSMISSION THROUGH DISCONTINUITIES AND FILLINGS IN KANGIR DAM,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 7, no. 2, pp. 251–259, 2016, [Online]. Available: https://sid.ir/paper/256356/en

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