(PDF) Q-slope application to coal mine stability
The Q-slope classification system is used to assess the stability of excavated rock slopes and provide an indication of long-term stable, reinforcement-free slope angles. Q-slope is based on over ...
Stability Analysis of a Multi-Layered Slope in an Open Pit …
1. Introduction. Engineers and researchers employ different techniques to ensure a safe slope design. The selection of the most suitable approach is contingent …
Assessment, Monitoring and Ground Control Management of Rock Slope
4.2.2 Slope stability monitoring Slope stability monitoring programs for open pit mines are intended to assess the stability performance of the pit walls as the excavation progresses and to detect unexpected slope stability conditions in a timely manner so that remedial measures can be implemented before slope failure develops.
Slope stability prediction based on IPOARF algorithm: A …
The evolution of slope stability and energy and information exchange processes clearly demonstrate the characteristics of complex systems because slope deformation instability is complicated and nonlinear (Li et al., 2022) and its uncertainty and randomness are affected by different factors (Zuo et al., 2020).Therefore, accurately …
Review of Radar Technologies for Slope Stability in …
Southern African Institute of Mining and Metallurgy 61 Review of Radar Technologies for Slope Stability in Open-Pit Mines J. Oosthuizen VBKOM Consulting, Centurion, South Africa Corresponding author e-mail: [email protected] Open-pit mining operations are inseparable from the risk of slope failures. These slope
(PDF) Slope stability assessment of some waste rock
Path and slope surface (circular and non-circular) search methods were used for the three cases. The FS for the waste dumps were determined and ranged from 1.61-2.74, 1.49- 2.50 and 1.32-2.10 ...
An Overview of Slope Failure in Mining Operations
The stability of slopes in open-pit mining operations and quarries is extremely important from both economic and safety points of view. The stability of rock slopes entails the design of safe, economical, and functional excavated slopes to attain equilibrium conditions of natural slopes [].It is generally accepted that during the design …
Slope Stability Analysis Using Phase 2 | Request PDF
In 2016, Schmidt [2] performed slope stability analysis based on the generalized Hoek-Brown failure criterion using Phase 2 software on two case studies: The Barite mine and a coal mine in western ...
Rock slope stability assessment through rock mass …
a. According to Singh [62], prior to the use of FRHI, it is necessary to proceed to the evaluation of the rock slope stability using the formerly proposed VRFSR system. Rock mass classification has been applied successfully in tunneling and underground mining (Q, RMR and MRMR systems).
Assessment and Prediction of Slope Stability in the Kentobe Open Pit Mine
Slope stability is assessed in the Kentobe open pit barite mine located in the east of the Atasui ore province. The estimated characteristics of rock mass strength are evaluated using two techniques: by VNIMI procedure and in RockLab environment. Slope stability assessment involved a computer program developed at the Karaganda State …
An Overview of Slope Failure in Mining Operations
The stability of rock slopes in open-pit mine and quarry operations is extremely important from both economic and safety points of view because unstable slopes can result in the loss of human life and …
Slope stability and bearing capacity analysis of disposal in …
Open-pit mine is a mining method by excavating overburden strata to get coal seam near the surface. One of potential hazard often occur in mining area is slope failure.
MINERAL MINING TECHNOLOGY Assessment and …
Abstract—Slope stability is assessed in the Kentobe open pit barite mine located in the east of the Atasui ore province. The estimated characteristics of rock mass strength are evaluated using two techniques: by VNIMI procedure and in RockLab environment.
Angle of Repose — Material Testing Expert
Mining and Quarrying: The angle of repose is crucial in mining and quarrying operations to determine the stability and safe slope angles for excavated materials such as ores, coal, minerals, and aggregates. Construction and Civil Engineering: In construction, the angle of repose is important for designing slopes, embankments, and …
Assessment and Prediction of Slope Stability in the Kentobe …
Slope stability is assessed in the Kentobe open pit barite mine located in the east of the Atasui ore province. The estimated characteristics of rock mass strength …
Modifications to the geological strength index (GSI) and …
A comprehensive slope stability project was carried out at Baskoyak barite open pit mine, in western Anatolia between 1987 and 1988 by Ulusay and Yucel [18]. Based on the scanline surveys and a geotechnical borehole, it was reported that the schist should be regarded as comprising two types of rock mass [18].
Stability Analysis and Optimal Design of Ultimate Slope
The stability of the slope is a factor that directly affects the mining efficiency and the safety of the entire mining process. According to statistics, there is a 15 percent chance of finding ...
Slope stability radar for monitoring mine walls
Real-time, remote sensing methods were introduced to open cut mining with slope stability radar in the late-1990s (Reeves et al. 2001 (2017). Nine months prior to the failure, in June 2012 ...
stability of barite open cast mines – Grinding Mill China
BARITE – TRALMEC Iglesias – Sardegna. It operates several mining concessions, including three barite mines and one iron oxide mine.Mining activities include both underground and open-cast mining. » Free Online Chat EFFECTS OF FAULTS ON STABILITY OF SLOPES IN OPEN CAST MINES. This is to certify that the thesis entitled …
Probabilistic Slope Stability Analysis of Coal Mine Waste
Coal mine waste rock is generated during coal extraction and is usually disposed of in non-engineered dumps. The dumps are extended vertically to 100–120 m height to reduce the spatial footprint. The waste mass generally consists of loose, cohesionless material associated with high heterogeneity, so the dumps are prone to …
Geosciences | Free Full-Text | Probability …
Probability analysis of rock slopes has gained considerable attention in the design of open pit mines (e.g., [1,2,3,4,5,6]).The unavoidable uncertainties involved in geotechnical design parameters …
A practical procedure for the back analysis of slope failures …
1. Introduction. In a rock mass with clearly defined discontinuity sets, failure mechanisms related to discontinuities can be analyzed and the stability of slopes …
(PDF) Stability of Large-scale Slope Excavated in Weak …
Article. W. Zhou. Q.-X. Cai. T. Shang. With the development of mining industry, the mining area and depth have been increased in a single open pit. At the same time, deposit occurrence of ore and ...
Stability Analysis of a Multi-Layered Slope in an Open …
This study compares the critical slip surface defined by the limit equilibrium method (LEM), the limit analysis (LA), and the finite elements method (FEM) for the stability analysis to better approach the stability on a multi-layered slope. The safety factor, the size, and the location of the critical slip surface obtained from the applied ...
Assessment and Prediction of Slope Stability in the Kentobe Open Pit Mine
Slope stability is assessed in the Kentobe open pit barite mine located in the east of the Atasui ore province. The estimated characteristics of rock mass strength are evaluated using two ...
ANALYSIS OF A DATABASE OF OPEN PIT MINE SLOPE …
A global database of 134 open pit slope failures, called TAMU-MineSlope, was collected, 384 organized, and analyzed; the cases come from 29 countries and 76 open pit mines …
Slope stability of deep surface coal mines in the presence …
Article Highlights Slope stability is performed on a soil profile with a weak zone, describing a common type of coal mines' failure in several countries. Numerical issues of practical importance ...
(PDF) Steep End-Slope Mining and Slope Stability of …
Terms and conditions apply. Figure 1: Mining diagram of extremely thick inclined coal seam. Figure 2: Exposed characteristics of end slope of extremely thick inclined coal seam open-pit mine ...
Stability charts for rock mass slopes based on the Hoek …
In this section, two cases with different rock mass properties and slope geometries are chosen to illustrate the application and validate the rock slope stability charts presented. 4.4.1. Case 1: a rock slope failure in the Baskoyak barite open pit mine in western Anatolia
Assessment of design parameters and the slope stability …
Tunçbilek lignite basin situated in western part of Turkey has been increasingly excavated by open-pit and underground mining methods since 1940 to meet Turkey's energy demand. The blasted and then the excavated stratified rock masses in this basin consist mainly of clay-bearing rocks such as claystone, mudstone, siltstone, and …