M. Hosseini
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 ] - Numerical modeling of hydraulic fracturing in carbonate rocks of Bangestan reservoir
Hydraulic fracturing is used in the oil industry in order to increase the index of production and processing in the wells whose efficiencies have been dropped due to a long-term harvest or the rocks around the wells are of low permeability. Since the hydraulic fracturing operation is costly, it is of special importance to the project managers to determine the pressure required for hydraulic fra...
[ 3 ] - Effect of temperature as well as heating and cooling cycles on rock properties
Temperature has a significant role in many actions performed on rocks. An example would be the effect of temperature on rocks in the burial of nuclear waste, geothermal energy extraction, deep oil well drilling, and fires in tunnels. In addition, due to diurnal/nocturnal as well as seasonal temperature variations, rocks undergo a process of heating and cooling. In the present work, the effect o...
[ 4 ] - 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...
[ 5 ] - Effects of number of freeze-thaw cycles and freezing temperature on mode I and mode II fracture toughness of cement mortar
Natural and artificial materials including rocks and cement-based materials such as concrete and cement mortar are affected both physically and chemically by various natural factors known as weathering factors. The freeze-thaw process, as a weathering factor, considerably affects the properties of rocks and concrete. Therefore, the effect of the freeze-thaw process on the physical and mechanica...
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