... of the bank slope, especially the influence of the reservoir impoundment and rainfall. Unbalanced force (UST) and the factor of safety of the potential failure surface are presented to quantitatively evaluate the monolithic stability of the slope. The numerical analysis results show that the slope reaches...

... head of the secondary lining increases by about 700m. The research can provide more scientific basis for designing and optimizing the lining structure and ensuring the safety of tunnel. 1. INTRODUCTION Lining and surrounding rock are the main components of hydraulic tunnel, and the external water...

... into account various design factors such as steel properties and geometry. Results demonstrate the location of critical stress values according to the proposed design. The selection of optimum steel geometry is also investigated with regards to the factor of safety. 1. INTRODUCTION Gold mining has been...

... and will not help much with maintenance later. Many other issues like sliding, low safety, rock falling, and frequency of accidents during construction may arise (Terzaghi, 1962). The overhanging structure is not anyway near to the conventional tunneling. It is based on hit and trial and no scientific input...

... on stability. Through use of an example, this paper examines the effect of various distribution functions of D through the damaged region, such namely, as constant, linearly varying, and exponentially varying. The failure surfaces and factors of safety for the slope as determined via limit equilibrium are also...

... by lack of data. Recent technological advances enable the use of multiple sources of information, such as Earth Observation (EO), imagery analysis, real time monitoring, which can be combined with numerical analysis and machine learning techniques for monitoring, as well as forecasting the safety of civil...

... ABSTRACT: Most cases of floor failure are ignored by operators because it causes very little damage or disruption to mining operations. However, in rare cases, floor failure is excessive enough to cause ventilation, rib stability and safety concerns. In July 2016, a longwall mine...

... were used to analyse and improve the current system. The effects of overbreak together with pillar robbing have led to a decrease in safety factors of insitu pillars. Scaling of pillars and a decrease in actual safety factors gave an acute reflection that the current pillar design needs to be improved...

.... A comprehensive analysis of the geotechnical data collected was done using the Q rating, RMR and MRMR systems. The current tendon support system was evaluated using the roofbolt factor of safety approach, fallout thickness evaluation and numerical modelling for adequacy in geotechnically challenging ground...

... equilibrium analysis and finite difference analysis with shear strength reduction method. The effect of long term cohesion degradation on slope stability was explored using perfectly-plastic and strain weakening models. Lower values of rock mass cohesion led to lower factors of safety and smaller zones...

... is paramount to its design. The concept of slope stability varies for civil and mining purposes. In civil engineering designs that are focused in transportation and urban development, slopes are planned to be static, to avoid potential risks to public safety. Contrarily, surface mines are a dynamic environment...

... ABSTRACT: In a typical conventional narrow reef mining, the support of mining excavations and geological disturbances is of vital importance to the whole mining operation. The consequences of unplanned stope collapse and compromised safety practices encompass uneconomical extraction...

... GroundProbe Slope Stability Radar, IBIS radar systems and GeoMos. footwall hangingwall interpretation Upstream Oil & Gas inspection data Interpretation radar stability prism safety slope angle failure mechanism slope stability GeoMo deformation metals & mining displacement...

... ABSTRACT: The acoustic emission/microseismic (AE/MS) monitoring technique continue to play a major role in providing a safe environment for mine operations. Be it a surface or underground mine operation, the life and safety of miners is constantly under threat due to uncertainties associated...

... the surface through numerical simulation using Fast Lagrangian Analysis of Continua (FLAC3D). Four different height of extraction i.e. 3m, 5m, 6m & 7m has been excavated numerically to evaluate the induced stress value and its parametric variation with the different height of extraction. Factor of safety...

... concern in Civil and Mining engineering. The most commonly used approach for the slope stability analysis is the limit equilibrium method (LEM). The LEM assumes slope as a rigid body and the rigid body motion or rotation causes the slope failure. The factor of safety in the LEM approach is determined...

... and improved safety. The need to improve the key performance indicators led to the compulsion for this research to be conducted based on support design and mining practices in bad ground conditions. Geological data and geotechnical data were obtained from a Zimbabwean platinum mine. It was clinched...

... different pillar geometries, and specially an abutment stress model, the induced vertical stress in a rib pillar type were evaluated. To demonstrate the application and variability of the outcomes, the factors of safety was calculated taking as input variables the vertical stress over the pillars...

... that have a safety factor close to 1 due to weathering, erosion changes in slope geometry by man (such as road cuts) or effect of water such as agriculture on a slope. To calculate how a slope will behave during an earthquake or to design a slope that is also stable under earthquake conditions...

... methods. Statistical distributions describing the factor of safety (FS) of a trial slope are generated. For reference, purely random Gaussian fields with increasing variance are examined first. Kriging and other spatial interpolation methods are then introduced using subdomains of the random field...