A. R. Khodayari
Department of Mining Engineering, College of Engineering, Imam Khomeini International University, Qazvin, Iran
[ 1 ] - Effects of temperature and confining pressure on mode II fracture toughness of rocks (Case study: Lushan Sandstone)
The fracture mechanics examines the development and expansion of cracks in solids and how they affect the deformation of materials. The stress intensity factors at the tip of the crack and the critical stress intensity factors or fracture toughness of materials are considered in the relevant criteria. There are three main modes of applying forces to a crack including the tensile mode, shear mod...
[ 2 ] - Effect of freeze-thaw cycle on strength and rock strength parameters (A Lushan sandstone case study)
In an era of continued economic development around the globe, numerous rock-related projects including mining and gas/oil exploration are undertaken in regions with cold climates. Winters in the Iranian western and northwestern provinces are characterized by a high precipitation rate and a cold weather. Under such conditions, rocks are exposed to long freezing periods and several freeze-thaw (F...
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