Effect of confining pressure on Mode I and Mode II Fracture Toughness of Lushan sandstone

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Ghanbari Navid; HOSSEINI MEHDI; Saghafiyazdi Morteza

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Journal Paper

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Journal: Amirkabir Journal of Civil Engineering Year:2020 | Volume:52 | Issue:9 Page(s): 2145-2154

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Information Journal Paper

Title

Effect of confining pressure on Mode I and Mode II Fracture Toughness of Lushan sandstone

Author(s)

Ghanbari Navid | HOSSEINI MEHDI | Saghafiyazdi Morteza | Issue Writer Certificate

Keywords

Confining pressure

Sandstone

Fracture Toughness

Mode I

Mode II

Abstract

Rock masses are increasingly used as the substrate in a wide range of human activities. Facilities such as storage depots, wells, tunnels, and underground power plants are exposed to different rocky mechanics conditions in different types of bedrocks. Rock is a brittle naturally material that is subjected to a variety of environment impacts, such as temperature, Confining pressure, humidity and water erosion. Moreover, the effect of Confining pressure on rock fracture in most engineering fields has been considered. These include the stability analysis of rock to accumulate atomic waste in underground reservoirs, the hydraulic fracture process for extraction of oil and gas from different layers of the earth and analysis of the stability of underground mines. In this paper, Effect of Confining pressure on Mode I and Mode II Fracture Toughness of Lushan Sandstone were investigated. To investigate the effect of Confining pressure on Mode I and II Fracture Toughness, was used a Cracked Chevron Notched Brazilian Disc. In this study, the specimens were subjected to a Confining pressure of 3, 5, 7and 10 MPa. In this experiments, samples of Lushan Sandstone is studied samples. The results show that, with increasing Confining pressure, Mode I and II Fracture Toughness of Sandstone increases linearly and nonlineary respectively.

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APA: Copy

Ghanbari, Navid, HOSSEINI, MEHDI, & Saghafiyazdi, Morteza. (2020). Effect of confining pressure on Mode I and Mode II Fracture Toughness of Lushan sandstone. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 52(9 ), 2145-2154. SID. https://sid.ir/paper/1036850/en

Vancouver: Copy

Ghanbari Navid, HOSSEINI MEHDI, Saghafiyazdi Morteza. Effect of confining pressure on Mode I and Mode II Fracture Toughness of Lushan sandstone. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2020;52(9 ):2145-2154. Available from: https://sid.ir/paper/1036850/en

IEEE: Copy

Navid Ghanbari, MEHDI HOSSEINI, and Morteza Saghafiyazdi, “Effect of confining pressure on Mode I and Mode II Fracture Toughness of Lushan sandstone,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 52, no. 9 , pp. 2145–2154, 2020, [Online]. Available: https://sid.ir/paper/1036850/en

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