Volume 16, Issue 2 (Summer 2022 2022)
2022, 16(2): 29-51 |
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Sadeghi M, Hafezi Moghads N, Ghafoori M, Amiri M, Bashari A. Investigation of geomechanical properties of rock units of the eastern tunnel of Pervadeh Tabas coal mine and presenting experimental relationship. Journal of Engineering Geology 2022; 16 (2) :29-51
URL: http://jeg.khu.ac.ir/article-1-3078-en.html
URL: http://jeg.khu.ac.ir/article-1-3078-en.html
1- Ferdowsi University Of Mashhad
2- Ferdowsi University Of Mashhad ,nhafezi@um.ac.ir
3- Tabas Coal Company
2- Ferdowsi University Of Mashhad ,
3- Tabas Coal Company
Abstract: (1244 Views)
The design of underground or terrestrial structures on the rock bed depends on the physical and mechanical properties. Considering the mining method in Tabas coal mine extraction method is long and destructive, the evaluation of the geomechanical properties of the rocks is more necessary. In this research, the characteristics of the rock units of the eastern tunnel No. 3 of Tabas coal Pervadeh mine were investigated. In this study, 3 samples of shale, sandstone and mudstone were examined. Considering the importance of the subject in this research, new experimental relations have been proposed, and their application shows desirable results. In order to obtain geomechanical characteristics and empirical relationships, physical tests such as porosity, water absorption percentage, unit volume weight, and mechanical properties such as uniaxial compressive strength, point load index, Brazilian tensile strength, direct cutting test, durability and brittleness index were carried out. To achieve the desired objective, the most appropriate relationships are presented using the regression method. Statistical analysis shows good correlation between different parameters in shale, sandstone and mudstone samples.
Type of Study: Case-Study |
Subject:
En. Geology
Received: 2022/05/28 | Accepted: 2022/07/20 | Published: 2022/09/1
Received: 2022/05/28 | Accepted: 2022/07/20 | Published: 2022/09/1
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