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Relationship between UCS and Anisotropic Angle: A Case Study for Slate of Himalaya Region
Anand Gupta1, Suman Panthee2, Janani Selvam3

1Anand Gupta, Faculty of Engineering, Lincoln University College, Malaysia.

2Suman Panthee, Central Department of Geology, Tribhuvan University, Nepal.

3Dr. Janani Selvam, Faculty of Engineering, Lincoln University College, Malaysia.    

Manuscript received on 20 December 2024 | First Revised Manuscript received on 31 December 2024 | Second Revised Manuscript received on 08 January 2025 | Manuscript Accepted on 15 January 2025 | Manuscript Published on 30 January 2025 | PP: 21-24 | Volume-14 Issue-2, January 2025 | Retrieval Number: 100.1/ijitee.D459814040425 | DOI: 10.35940/ijitee.D4598.14020125

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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: The strength of rocks exhibits anisotropy, because of its mode of formation and its developing through different pressure and temperature environment. A rock can display anisotropy due to inhomogeneity, where sedimentary varying with the degree of the anisotropic plane. This “strength anisotropy” refers to the change in intact rock strength under uniaxial loading conditions based on the orientation of anisotropy, the strength and deformation behavior of rocks under load is critical for underground excavations, mining, and civil engineering projects, as it directly impacts the stability of such structures. This study examines the strength index, which is influenced by the anisotropic plane at different loading angles. The rock material, characterized by layers developed by platy minerals with sometime varying grain sizes, shows that an increase in foliation degree to loading angle directly impacts its strength. In slate, the strength index is influenced by the anisotropic plane and loading direction, which are also controlled by characters of mineral grains. This study seeks to enhance the existing understanding of this behavior by analyzing uniaxial compressive strength (UCS) performed on anisotropic low grade metamorphic rock.

Keywords: UCS, Strength, Anisotropy.
Scope of the Article: Structural Engineering