Evaluating the effect of freezing-thawing cycles on the compressional wavevelocity and dry density of schist rock (Case study: Angouran mine)

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Seyed Mousavi Seyed Zanyar; TAVAKOLI HOSSEIN; MOAREFVAND PARVIZ; REZAEI MOHAMMAD

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Journal: ADVANCED APPLIED GEOLOGY Year:2020 | Volume:10 | Issue:1 Page(s): 15-30

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Title

Evaluating the effect of freezing-thawing cycles on the compressional wavevelocity and dry density of schist rock (Case study: Angouran mine)

Author(s)

Seyed Mousavi Seyed Zanyar | TAVAKOLI HOSSEIN | MOAREFVAND PARVIZ | REZAEI MOHAMMAD | Issue Writer Certificate

Keywords

DurabilityQ1

Freeze and thaw processQ1

Angouran mineQ1

Dry densityQ2

Abstract

1-Introduction Construction of engineering projects such as dam, tunnel, open pit mines have been usually developed in mountainous areas. In these projects, bedrocks strength is important when it is exposed against the environmental factors. In these areas, the process of freezing-thawing is the most common factor in reducing the Durability and strength properties of rocks which it is important to determine the amount of their changes before design of these projects. Indeed, evaluating the reduction of rock geo-mechanical parameters due to freezingthawing cycles is a crucial issue in initial design of engineering projects such as tunnels, dams and mines in the cold regions (Tan et al., 2011; Jamshidi et al., 2016). In the past decade, researchers have done various studies upon the effect of freezing-thawing cycles on the rocks physical and mechanical properties (Domenico, 1984; Dreesen and Dusar, 2004; Draebing and Krautblatter, 2012; Khanlari and Abdilor, 2015). These studies focused on the evaluation of the freezing-thawing cycle’ s effect on the physical and mechanical properties of building stone such as strength, pore size distribution, permeability and mineralogical content (Fener and Ince, 2015). One of the important parameters for evaluation of rock strength against the weathering is ultrasonic wave velocity (Altindag et al., 2004). By using nondestructive methods, we can accurately assess the rock stability condition. Elastic waves that passed into the rock are generated from an external source and it is recorded by a receiver after passing through the material. Information about these materials can be obtained based on the analysis of processes and parameters obtained from the elastic wave’ s passage through the rock (Ding et al., 2016). In this study, the compressional wave (P-wave) velocity and Dry density properties of schist rock samples were investigated in intact and weathered situation. Also, experimental equations have been presented to determine the correlation coefficient of P-wave velocity Dry density with specified number of freezing-thawing (F-T) cycles...

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APA: Copy

Seyed Mousavi, Seyed Zanyar, TAVAKOLI, HOSSEIN, MOAREFVAND, PARVIZ, & REZAEI, MOHAMMAD. (2020). Evaluating the effect of freezing-thawing cycles on the compressional wavevelocity and dry density of schist rock (Case study: Angouran mine). ADVANCED APPLIED GEOLOGY, 10(1 ), 15-30. SID. https://sid.ir/paper/361588/en

Vancouver: Copy

Seyed Mousavi Seyed Zanyar, TAVAKOLI HOSSEIN, MOAREFVAND PARVIZ, REZAEI MOHAMMAD. Evaluating the effect of freezing-thawing cycles on the compressional wavevelocity and dry density of schist rock (Case study: Angouran mine). ADVANCED APPLIED GEOLOGY[Internet]. 2020;10(1 ):15-30. Available from: https://sid.ir/paper/361588/en

IEEE: Copy

Seyed Zanyar Seyed Mousavi, HOSSEIN TAVAKOLI, PARVIZ MOAREFVAND, and MOHAMMAD REZAEI, “Evaluating the effect of freezing-thawing cycles on the compressional wavevelocity and dry density of schist rock (Case study: Angouran mine),” ADVANCED APPLIED GEOLOGY, vol. 10, no. 1 , pp. 15–30, 2020, [Online]. Available: https://sid.ir/paper/361588/en

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