Relationship between UCS and Anisotropic Angle: A Case Study for Slate of Himalaya Region
Creators
- 1. Central Department of Geology, Tribhuvan University, Nepal.
- 1. Faculty of Engineering, Lincoln University College, Malaysia.
- 2. Central Department of Geology, Tribhuvan University, Nepal.
Description
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.
Files
D459814040425.pdf
Files
(452.9 kB)
Name | Size | Download all |
---|---|---|
md5:6fc2b91a46a9868a7617e7e91f5c1ad9
|
452.9 kB | Preview Download |
Additional details
Identifiers
- DOI
- 10.35940/ijitee.D4598.14020125
- EISSN
- 2278-3075
Dates
- Accepted
-
2025-01-15Manuscript 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.
References
- Amadei, B 1996. Importance of anisotropy when estimating and measuring in situ stresses in rock. International Journal of Rock Mechanics and Mining Science & Geomechanics, v. 33, pp. 293-325. DOI: https://doi.org/10.1016/0148-9062(95)00062-3
- Ramamurthy T 1993 Strength and modulus of anisotropic rock. In Hudson JA, Editor. Comprehensive Rock Engineering Oxford Pergamon press, v. 1, pp. 313-329. DOI: https://doi.org/10.1007/s00603-016-1112- z
- Hoek E and Brown E T 1980. Underground excavation rock. Institution of Mining and Metallurgy, 526p. DOI: https://doi.org/10.1201/9781482288926
- Broch E, and Franklin, J A 1972 The Point Load Strength Test. International Journal of Rock Mechanics& Mining Sciences, v. 9, pp. 669-697.Rock Engineering Oxford Pergamon press, v. 1, pp. 313-29. DOI: https://doi.org/10.1016/0148-9062(72)90030-7
- Berčáková, A., Melichar, R. and Souček, K. Mechanical Properties and Failure Patterns of Migmatized Gneiss with Metamorphic Foliation Under UCS Test. Rock Mech Rock Eng 53, 2007–2013 (2020) DOI: https://doi.org/10.1007/s00603-019-02012-2
- Acharya, D., Panthee, S., Raina, A. K., and Dhakal, S. (2021, August). Analysis of failure behavior of the anisotropic rocks in the point load index test. In IOP Conference Series: Earth and Environmental Science (Vol. 833, No. 1, p. 012193). DOI: https://doi.org/10.1007/s12517-022- 09745-5
- Acharya, D., Raina, A.K., and Panthee, S. (2021), Challenges to study the Anisotropic Rocks using index tests in the Himalaya Region: A review from the Nepal Himalaya. In IOP Conf. Series: Earth and Environmental Science (Vol. 861, p. 022050) DOI: https://doi.org/10.1088/1755-1315/861/2/022050
- Bhandari, A., and Panthee, S. 2021, October. Strength Variation of Augen Gneiss in the Point Load Test under Different Loading Direction and Temperature. In IOP Conference Series: Earth and Environmental Science (Vol. 861, No. 2, p. 022069) DOI: https://doi.org/10.1088/1755- 1315/861/2/022069
- Krishna, Dr. M., Bushanam, V. N., Rani, B. S. B. P., Rakesh, K., & Pranav, V. (2019). Anisotropic Image Restoration Based on Image Inpainting with Diffusion Enhancement. In International Journal of Recent Technology and Engineering (IJRTE) (Vol. 8, Issue 2, pp. 6503– 6507). DOI: https://doi.org/10.35940/ijrte.b2259.078219
- Bannulmath, Mr. P. G., & Havaldar, Dr. R. H. (2019). Fuzzy Based Adaptive Anisotropic Diffusion Despeckling Filter. In International Journal of Innovative Technology and Exploring Engineering (Vol. 9, Issue 2, pp. 2519–2522). DOI: https://doi.org/10.35940/ijitee.b7100.129219
- Borikar, S. M. (2020). Accelerating Anisotropic Cosmological Model Filled with Two Fluid and. In International Journal of Engineering and Advanced Technology (Vol. 9, Issue 3, pp. 1590–1592). DOI: https://doi.org/10.35940/ijeat.c5664.029320