The stepbystep introduction to mine design and planning enables a fastpath approach to. Rpms open cut coal solution handles more data and process schedules faster than any other application on the market. Fernando specializes in mine plan optimization for surface, underground and open pit mines. Stockpiles of coal and spoil may contain heavy metals and mineral. Planning starts by defining the economic mining areas, so these areas can be targeted during the subsequent pit design phase. This is a key element in open pit mine planning and design. Our experience covers both underground and open pit coal mining, for both hard coal and brown coal lignite. Coal specialists valuation, exploration, mine design.
We restrict our attention to the shortterm planning of open pit mines, with horizons of at least one week to at most one to two years. The open pit is opening the orebody from the surface by separate removal of ore and associated waste rocks. We extract ore that lies within the upper layer of the earth, from surface mines fricke, 2006. As the foundation of all mining activity a mine plan most accurately reflects the realtime reality of the. Applications of queuing theory for openpit truckshovel haulage systems meredith augusta may abstract surface mining is the most common mining method worldwide, and open pit mining accounts for more than 60% of all surface output. Open cast mine planning factors that influence planning.
Before creating a scheduling project, an engineer must prepare their data so that it can be used for mine scheduling. Surface mining planning and design of open pit mining 1. Openpit, opencast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow this form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining. Constraints on the planning and design processes employed by surface mining oil sands operations vary in distinct. In this paper, we present scheduling tools for two levels of planning in this application. Several benches may be in operation simultaneously in different parts of, and at different elevations in the open pit mine. Knovel offers following tools to help you find materials and properties data material property search also known as data search, find materials and properties information from technical references. Qingxia 1982 studied a computer simulation program of drill rigs and shovel operations in open pit mines. In terms of the time horizon, there can be operational, shortterm, mediumterm, longterm planning ltp, and lom planning. Openpit mining operation problem in openpit mining operations, there are several levels of planning, each of which pass down restrictions to the level below.
For opening up of any deposit, it is necessary to study the. The bogoso area has a long and chequered mining history of both open pit and underground. Roberts capacity calculations, investment allocation and longrange production scheduling in german coal mines by f. He has a great deal of experience with open pit mines serving on several due diligence teams responsible for all aspects of mining, costing, mine planning and geotechinical work. Open pit mine scheduling a case study at bogoso gold limited. A holistic approach to mine planning 6 this study took the concept one step further by incorporating the schedule and landform together in order to make a seamless mine plan including all factors from mine production, truck scheduling, rehabilitation, stockpiling and final landform. Mineralization, topography, costs and significant goologic feature. Some technical aspects of open pit mine dewatering by v. Knovel offers following tools to help you find materials and properties data material property search also known as data search, find materials and. The primary problem to be considered in this investigation is open pit mine planning in the short range and operational stages. Open pit mine scheduling a case study at bogoso gold. Geological model data from the exploration boreholes is captured and using a modelling software the ore body is modelled to represent the ore body solid having different grades.
Truck haulage is the most common means of moving orewaste in open pit mining operations, but it is usually the most expensive unit of op. Wilke ore reserve evaluation and open pit planning by j. Geology and mine planning for coal and stratified deposits. This unique course enables you to learn the basic theory of open pit mine design and the application thereof, whilst having the chance to interact with experts in the field. There are several methods of surface mining, including openpit, stripping, dredging and mountaintop removal.
But this is not to say that the best way to design a life preserver is in the form of a. In addition, the work can be used as a practical reference by professionals. Open pit mines can be used in coal mining, and they are used extensively in hard rock mining for ores such as metal ores, copper, gold, iron, aluminum, and many minerals. Srk has extensive consulting experience within the global coal industry, in established producing countries as well as emerging markets. Permission of the author and publisher is required for any other usage. Haulage costs account for as much as 60% of the total. These limits are that pit contour which is the result of extracting a volume of. Open cast mineral resources are quoted as insitu tonnages and mineral reserves are tonnages falling within an economic pit shell. In open pit mining, thick seams tens of meters are mined by traditional quarrying techniques. This ore can include metals such as iron, copper, coal and gold. Optimized open pit mine design, pushbacks and the gap problem. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.
Summary the main objective of this paper is to describe the process of mine scheduling as is being practiced at bogoso gold limited in its mine planning activities. The openpit or open cast mining method is the obvious choice for a property with wide area of mineralization exposed or exists close to the surface and continues to greater depth. Maptek vulcan open pit training special thanks to matthew goldbaum. Within this scope, the open pit design and optimal production planning of the mentioned coal mine will be conducted.
Open pit, open cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow this form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining. Open pit mine planning and design is an ideal textbook for courses in surface mine design, open pit design, geological and excavation engineering, and in advanced open pit mine planning and design, and can also be a priceless reference resource for active professionals around the world. In many cases, logging of trees and clearcutting or burning of vegetation above the ore deposit may precede removal of the overburden. Coal mine closure relevance in the mining project cycle. Each one of these problems is very complex, so the operation of a large openpit mine is an enormously difficult task. Site selection is discussed in greater detail in section 2 of this plan for a surface coal mine study.
Mining engineer open cast mine planning factors that influence planning. Open pit mining operation problem in open pit mining operations, there are several levels of planning, each of which pass down restrictions to the level below. This material is intended for use in lectures, presentations and as handouts to students, and is provided in power point format so as to allow customization for the individual needs of course instructors. Open pit mine scheduling a case study at bogoso gold limited ken allen, ghana key words. Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity. Most of the mining activity is concentrated on open pit.
Although the latter approach is newer and less tractable, there is promise. Coal mining is the process of extracting coal from the ground. Open pit mine planning and design, two volume set and cdrom pack 3rd. Optimized open pit mine design, pushbacks and the gap.
Applications of queuing theory for openpit truckshovel. Nov 23, 2016 micromine 2016 scheduler is an attribute driven tool that uses 3d solid wireframes to create mining tasks for open pit mine planning and design. Open pit mining, mineral processing, materials handling. Surface mining planning and design of open pit mining. Surface miningplanning and design of open pit mining presentation pdf available march 2010 with 18,455 reads how we measure reads. Once the pit is designed, the reserves and quality data are stored in a database to provide. Micromine 2016 scheduler is an attribute driven tool that uses 3d solid wireframes to create mining tasks for open pit mine planning and design.
Regional demand 2 distribution of coal deposits 3 quality of coal 4 pricing policy for coal 5 available infrastructures. Technical report on the ilgin coal project mineral development, exploration and resources and pit design and production planning prepared as a course. Each one of these problems is very complex, so the operation of a large open pit mine is an enormously difficult task. Applications of operations research to mine planning date back to the 1960s. Strength of a building depends on its strength of its foundation. Project design of an open pit colliery in terkidag, turkey acta. There are several methods of surface mining, including open pit, stripping, dredging and mountaintop removal. A fundamental problem in open pit mine planning is that of determining the optimum ultimate pit limits of the mine. Feb 27, 2017 rpms open cut coal solution handles more data and process schedules faster than any other application on the market. Modern strategic mine planning, a new research initiative at the colorado school of mines, seeks to advance the field by introducing four major innovations into the existing framework.
A surface mine contains pits with mineral endowed rock or ore. The stepbystep introduction to mine design and planning enables a fastpath approach to the matter by undergraduate and graduate students. Outstanding textbook designed for courses in surface mine design, open pit design, geological excavation engineering and in advanced open pit mine planning and design. Open pit mine planning and design, third edition mining. Open pit mines can represent a complex engineering system with many subsystems that need to function in an integrated manner for the mine to operate safely and economically. The importance of a systematic approach to mine planning and design using soundly based geotechnical engineering methods cannot be overemphasised. Open pit mine planning and design is an excellent textbook for courses in surface mine design, open pit design, geological and excavation engineering, and in advanced open pit mine planning and design. The nchwaning mine was diamond drilled from surface at 330m centres and the data captured in excel spreadsheets.
Each openpit mine is unique, based on the physical characteristics of the ore deposit and on the operational parameters of the extraction method. The chemistry and technology of coal 3rd edition, by james g. Newman colorado school of mines august 18, 2008 if you are in a shipwreck and all the boats are gone, a piano topthat comes along makes a fortuitous life preserver. We restrict our attention to the shortterm planning of openpit mines, with horizons of at least one week to at most one to two years. Prenn synopsis the model described is a design and economic planning tool for analyzing surface mineral deposhs. The evaluation method is generally ordinary kriging with mining block sizes ranging from 10 x 10m to 100 x 100m to 250 x 250m in the plan view. Guidelines for open pit slope design mining engineers world. Created as an outcome of the large open pit lop project, an international research and technology transfer project on the stability of rock slopes in open pit mines, this book provides an uptodate compendium of knowledge of the slope design processes that should be followed and the tools. Schematic representation of an open pit design showing three pushbacks with gap problems.
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