slope stability in open pit ore dressing
Open Pit Slope Depressurization using Horizontal Drains ...
Open Pit Slope Depressurization using Horizontal Drains – a Case Study Simon Leech a), ... horizontal drain, slope stability, open pit, Vibrating Wire Piezometer, Indonesia. Introduction The Batu Hijau open pit mine (Figure 1) is owned and operated by PT Newmont Nusa Tenggara ... The ore body is cylindrical in shape and is being mined in a ......
Slope Design and Implementation in Open Pit Mines ...
and also limitations through case studies of slope design in open pit mines. Keywords: slope stability, slope design, engineering geology, fault, open pit mines, SOMAIR uranium mine, OCP phosphate mine 1. INTRODUCTION Slopes of mines and quarries, some ....
Optimizing Open Pit Block Scheduling with Exposed Ore .
Optimizing Open Pit Block Scheduling with Exposed Ore Reserve1 José SaavedraRosasa, ... from the geomechanics of slope stability. This discrete approach gives rise to huge combinatorial ... The problem that this paper addresses is that of design of an exploitation stage in an open pit leaving enough ore reserve that is readily available at ......
Guidelines for Evaluating Water in Pit Slope Stability ...
Guidelines for Evaluating Water in Pit Slope Stability ... Slope Stability is a comprehensive account of the hydrogeological procedures that should be followed when performing open pit slope stability design studies. Created as an outcome of the Large Open Pit ... From Ore to Metal....
Geotechnical Engineering for Open Pit Mines Course ...
• Pit slope stability • Rock support and reinforcement principles • Risk management • Groundwater and surface water • Weathered materials See inside for course and workshop programmes ... underground and open pit mining, paste and thickened tailings and mine closure....
Slope stability challenges and solutions for mining ...
Slope stability challenges and solutions for mining Kimberlite ... resulting high dip value on the eastern slopes daylighting in to Jwaneng mine open pit. (Creus, et al., 2017) in prep ... of the pit where the strike direction of the planes is parallel to the pit slope strike. Single to multiple...
The Method For Open Pit Ore Dressing For Bauxite
Home / the method for open pit ore dressing for bauxite. the method for open pit ore dressing for bauxite. ... the bauxite ore is exposed the fel will mine the bauxite down to the transition material. it is a shallow deposit and pit slope parameters are to the natural angle of repose. the mined out pit will be....
Guidelines for Open Pit Slope Design in Weak Rocks CRC ...
Guidelines for Open Pit Slope Design in Weak Rocks is a companion to Guidelines for Open Pit Slope Design, which was published in 2009 and dealt primarily with strong rocks. Both books were commissioned under the Large Open Pit (LOP) project, which is sponsored by major mining companies....
STABILITY OF SLOPES IN IRON ORE MINES ethesis
Figure : Diagram showing bench angle, face, slope angle, toe and crest. Geological Structure. The main geological structure which affect the stability of the slopes in the open pit mines are: 1. Amount and direction of dip 2. Intraformational shear zones 3....
v116n8a3 Design and implementation of steeper slope angles ...
Letšeng employs a conventional openpit mining method. Mining and ore treatment are on a continuous twoshift cycle. Drilling, ... the areas affecting pit slope stability. This section provides an overview of these ... The steepening of slope angles on an open pit mining operation has a...
Open Pit Slope Stability Design Using Surpac Slide: How ...
Open Pit Slope Stability Design Using Surpac Slide: ... (ore bearing), vent breccia and black breccia." SNC Lavalin's team undertook both geological and geomechanical exploratory drilling: "In our ... The initial evaluation of the open pit slope stability was based on simplified...
Pit Slope Stability Consultants | Geotechnical Engineering ...
He specializes in open pit slope design and understanding rock mass damage and dilation caused by blasting and unloading in open pit excavations. Anton's indepth knowledge of primary data acquisition methods and QA/QC for rock mechanics modeling and excavation design supports his reasoned approach to slope stability backanalysis....
THE TELLNES OPEN PIT MINE, NORWAY Bjørn Nilsen ... NTNU
Mine Manager Titania A/S. ABSTRACT. The Tellnes open pit mine in Southwestern Norway has been operating since 1960. The maximum height of pit walls is currently about 150 meters with the current mine plan extending this distance to 400 meters with slope stability being a major controlling factor....
KINEMATIC ASSESSMENT OF SLOPES AT HANDLEBAR HILL .
Keywords: Slope Stability, Kinematic Analysis, Critical Zone, Failure Mode 1. INTRODUCTION might collapse The zinc ore body of the Handlebar Hill Open Cut mine (HHOC) lies one kilometre south of George Fisher silver ore deposit, near Mt. Isa, Queensland, Australia (Fig. 1). The open pit mine...
Final Wall Stability in Metal Open Pit Mines Using ...
slope stability study is one of the most considerable parameter for safety and economical factors of open pit mines. failure of mines' walls can potentially cause loss of lives, roads blocking, damaging to mining machinery, temporarily or permanently halt production and in the worst case scenario closing the mine. Production and. Mining Benefits....
Open Pit Geotechnics Slope stability, mine design ...
His expertise includes feasibility design for open pit mines and infrastructure, tailings scoping and prefeasibility studies, and numerical modelling for slope depressurisation and open pit and underground stability for projects in Australasia, Eurasia South America and Africa....
Design of Overall Slope Angle and Analysis of Rock Slope ...
a direct effect on the slope stability. On the basis of these words, therefore, one can admit that optimum determina tion of these geometrical features of a slope in preventing rupture is one of most important parts of rock and soil slopes analysis, so that importance of this issue in open pit...
Slope Stability 2013 Conference Papers
To monitor the stability of the open pit, purchasing of slope stability radar is under consideration by the mine. In 2013 the extension of the open pit will be analysed with 3DEC. After completion of the drilling program in 2014, new open pit optimisation will be carried out; at the same time the geotechnical study will be updated using 3DEC....
Surface mining planning and design of open pit mining
i) Pit Slopes The slope of the pit wall is one of the major elements affecting the size and shape of the pit. The pit slope helps determine the amount of waste that must be moved to mine ore. The pit wall needs to remain stable as long as mining activity is in that area. The stability of the pit walls should be analyzed as carefully as possible ......
Propagation and prediction of blasting vibration on slope ...
In order to assess the influence of underground mining blasting on the stability of open pit slopes and control the potential risk, it is crucial to investigate the propagation and attenuation of blasting vibration in ....
Microseismic monitoring for slope stability Mining3
Microseismic monitoring for slope stability. Challenge. Unexpected rock movement in open pit and underground mining is a serious risk. As pits get ever deeper, rock mass strength at these large scales and depths is difficult to evaluate. Current monitoring methods for open pit stability assessment are predominately based on remote mapping ......