Results 51 to 60 of about 253,269 (194)

Numerical modeling of saturation type and lateral pressure influences on thermo-mechanical stresses caused by laser drilling in granite and limestone

International Journal of Geo-Engineering, 2018
Numerical methods for study effect of parameters on rock behaviour have increased in recent decades. Simulation is an important tool for analysis which the possibility of doing it is not feasible under experimental conditions and the possibility of ...
Abdollah Dini, Morteza Ahmadi
doaj   +1 more source

Simulation of the support-enclosing rock mass interaction for deep mining [PDF]

, 2018
Purpose. To develop analytical model for a support-enclosing rock interaction to determine parameters for operational stability of deep mine workings while decreasing metal consumption and increasing efficient use of resources. Methods.
Kyrychenko, V, Stovpnyk, S
core   +1 more source

Energy-based evaluation of sandstone brittleness under triaxial compression: Micromechanical damage approach

Journal of Rock Mechanics and Geotechnical Engineering
Rock brittleness is a critical property in geotechnical and energy engineering, as it directly influences the prediction of rock failure and stability assessment.
Qiaojuan Yu, Shigui Du, Rui Yong, Zhanyou Luo, Changshuo Wang, Yuanjun Lv, Zeping Zhang   +6 more
doaj   +1 more source

Theory of Time-Temperature-Stress Equivalent Principle Based on Schapery Equation and Its Application on Granite

Medžiagotyra, 2014
The time-temperature-stress equivalent (TTSE) principle refers to the phenomenon that the time-dependent mechanical properties of materials rely on the variations of temperature and stress level.
Yuanguang ZHU, Quansheng LIU, Bin LIU, Jingdong JIANG   +3 more
doaj   +1 more source

Influence of time-dependence on failure of echelon rock joints through a novel DEM model [PDF]

, 2015
This is an Accepted Manuscript of an article published by Taylor & Francis Group in [European Journal of Environmental and Civil Engineering] on [September 2015], available online at: http://www.tandfonline.com/10.1080/19648189.2015.1064624This article ...
Jiang, Mingjing, Rodríguez Dono, Alfonso, Shao, Jianfu, Sun, Chao, Zhang, Ning   +4 more
core   +4 more sources

Non-destructive testing of rock bolt fastening as an element of monitoring the state of mine workings [PDF]

, 2019
Purpose. To substantiate the informative parameter, to develop the method and equipment for non-destructive testing (NDT) of rock bolt fastening, as an element of geomechanical monitoring of the mine workings state. Methods.
Krasovskyi, I, Krukovskyi, O, Serhiienko, V, Skipochka, S   +3 more
core   +1 more source

Study on the phenomenon of the ultra-large drilling cuttings quantity in rockburst coal seam

Scientific Reports
In view of the phenomenon of ultra-large drilling cuttings quantity in rockburst coal seams, the concept of ultra-large drilling cuttings quantity has been proposed.
Wenhong Zheng, Yishan Pan, Tianwei Shi
doaj   +1 more source

The influence of out-of-plane stress on a plane strain problem in rock mechanics [PDF]

, 1987
This paper analyses the stresses and displacements in a uniformly prestressed Mohr-Coulomb continuum, caused by the excavation of an infinitely long cylindrical cavity.
Reed, M B
core  

Nonlinear criteria and the influence of the average principal stress on rocks destruction [PDF]

, 2018
Purpose. Consider possible series methods of Mohr-Coulomb nonlinear criterion that takes into account stresses in the plane of fracture. Investigate the influence of the average principal stress on rocks destruction when cylinder modeling under axial and
Olovyannyy, A
core   +1 more source

Engineering geological assessment and support design for draft tube tunnels in the Palamuru Ranga Reddy Lift Irrigation Scheme, challenges in granitic terrains

Discover Geoscience
The Palamuru Ranga Reddy Lift Irrigation Scheme (PRLIS) is a major lift irrigation project in Telangana, India. It includes lifting 90 TMC of water from the Srisailam reservoirs back water to higher elevations for irrigation and drinking purposes.
P. Lingaswamy, D. S. Rawat, A. K. Naithani, M. A. Azad, L. G. Singh, Prasnna Jain, R. N. S. Babu   +6 more
doaj   +1 more source