Open pit slope design of ajabanoko iron ore deposit, nigeria was carried out using dips and slope w mine softwares. Pit wall angles and bench width how do they relate. Consequences of an open pit slope failure can have significant safety andor economic impacts, and hence the slope designs can form a significant part of the risk assessment for an open pit mine. Both the mineralisation and overburden is located within. Stability assessment and slope design at sandsloot open pit, south. Guidelines for open pit slope design csiro publishing. Considering the importance of economic costs in mining issues, the need for appropri ate design slope angle that can cause an adverse minimize project. A design reliability of 80% is generally accepted in open pit design, which means allowing 20% of all wedges actually to fail. Guidelines for open pit slope design in weak rocks scribd. Guidelines for open pit slope design, john read, peter. It is the largest open pit platinum mine in the world. Approach to geotechnical characterization and slope design. Outstanding textbook designed for courses in surface mine design, open pit design, geological excavation engineering and in advanced open pit mine pla. 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.
Pdf slope design and implementation in open pit mines. Optimum design of open pit mines article pdf available. The accepted failure level determines the design bench angle. Risk management geomechanics application for open pit. This book will assist open pit mine slope design practitioners, including engineering geologists, geotechnical engineers, mining engineers and civil engineers and mine managers, in meeting stakeholder requirements for pit slopes that are stable, in regards to safety, ore recovery and financial return, for the required life of the mine. A risk consequence approach to open pit slope design. Stability analysis and design of open pit mine slope in china.
Guidelines for open pit slope design, but end up in harmful downloads. Guidelines for open pit slope design is a comprehensive account of the open pit slope design process. The book, which is entitled guidelines for open pit slope design 1. Livro guidelines for open pit slope design is available in our book collection an online access to it is set as public so. The analysis provided clients with an analysis of increased rigor and allowed a rationale for design of open pit slopes. Introduction slopes of mines and quarries, some of which.
The initial chapter of the guidelines presents the fundamentals of slope design as applied to open pits. Key laboratory of high efficient mining and safety of metal mine ministry of education, university of science and technology beijing, 83,beijing china. Geotechnical engineers will normally provide the pit slope design criteria based on the interramp angle ira for various sectors around the pit. Ebook guidelines for open pit slope design as pdf download. Open pit mine planning and design, third edition mining. Surface mining planning and design of open pit mining 1. Guidelines for open pit slope design in weak rocks. Zhiqiang yang 1, 2, qian gao 1, maohui li 1, guangcun zhang 1 1. It books free download pdf, i did something bad rep tour version download, cisco usb console cable driver windows 10 download, download whatsapp apk for android 2. Read guidelines for open pit slope design in weak rocks by for free with a 30 day free trial.
Reactivation of research into factors affecting the design and stability of large rock slopes. Fundamentals of slope design keynote address at slope. Surface mining planning and design of open pit mining. Three major joint sets have been recognized at sandsloot, which are related to the regional tectonic history. Guidelines for open pit slope design pdf guidelines for open pit slope design is an outcome of the large open pit lop project, an international research and guidelines for open pit slope design. 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. Open pit mining of the phosphate deposit in the meknassy basin, particularly in jebel jebbeus, requires slope design and stability analysis to maintain security and profitability.
Guidelines for open pit slope design 1st edition john. This results in a decision criterion based on probability of failure and factor of. As with the other books in this series, guidelines for open pit slope design in weak rocks provides guidance to practitioners involved in the design and implementation of open pit slopes. This book links innovative mining geomechanics research into the. Design of overall slope angle and analysis of rock slope. Created as an outcome of the large open pit lop project, an international research and technology transfer project on rock slope stability in open pit mines, this book provides an uptodate compendium of knowledge of the slope design processes that should be followed and the tools that. The wall of an open pit wall will consist of a series of stacked benches. 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. The importance of a systematic approach to mine planning and design using soundly based geotechnical engineering methods cannot be overemphasised. 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. Offer pdf guidelines for open pit slope design john. Guidelines for open pit slope design read, john, stacey, peter on amazon. Scribd is the worlds largest social reading and publishing site. The design of open pit excavations will endeavour to prevent hazardous and unexpected failures of the rock mass during the operating life of the open pit.
A critical component of any stability analysis is estimation. Steffen synopsis open pit slope design has conventionally been effected as a bottomup function utilizing available geotechnical information. Open pit slope depressurization using horizontal drains. Pdf stability assessment and slope design at sandsloot. Will assist in meeting stakeholder requirements for pit slopes that are stable, in regards to safety, ore recovery and financial return. Sandsloot open pit is located on the northern limb of the bushveld igneous complex. Pdf guidelines for open pit slope design download full. A final chapter deals with design implementation aspects, including mine planning, monitoring, surface water control and closure of weak rock slopes. Guidelines for open pit slope design mining engineers world. This article reminds the principles of slope design in open pit mines, and. Guidelines for open pit slope design john read, peter. Created as an outcome of the large open pit lop project, an international research and technology transfer project on rock slope stability in open pit mines, this book provides an uptodate compendium of knowledge of the slope design processes that should be followed and the tools that are available to aid slope design practitioners.
Stability analysis and design of open pit mine slope in. This article reminds the principles of slope design in open pit mines, and presents techniques and tools available to address the successive stages of slope design. Open pit slope design criteria aside, the rate at which the deposit is being mined is relatively aggressive, with annual material movement generally ranging from 200 to 250 million tonnes over much of the open pit life. The publisher has supplied this book in encrypted form, which means that you need to install free. This illustrates the various models on which the slope design geotechnical domain models are developed. Pdf download guidelines for open pit slope design free. Created as an outcome of the large open pit lop project, an international research and technology transfer project on rock slope stability in open pit mines, this book provides an uptodate compendium of knowledge of the slope design processes that should be followed and the tools that are. Rather than enjoying a good book with a cup of coffee in the afternoon, instead they are facing with some infectious virus inside their desktop computer. Guidelines for open pit slope design by read, john ebook. The recognition and analysis of the different modes of failure are the main issues that will be addressed in this paper on the fundamentals of slope design. Both books were commissioned under the large open pit lop project, which is sponsored by major mining companies.
Pasminco century is a stratiform shale hosted zinc deposit in the lawn hill formation that is overlain in part by the thorntonia limestone formation. 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. Pdf open pit slope design of ajabanoko iron ore deposit. Permission of the author and publisher is required for any other usage. Guidelines for open pit slope design top results of your surfing guidelines for open pit slope design start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. One of the products of the large open pit project involved the publication of the book guidelines for open pit slope design, which presents a description of current methods for the design, implementation and management of pit slopes. The geotechnical factors controlling the design of the open pit slopes of the pasminco century mine near lawn hill, queensland are presented below. Their practical implementation is then illustrated by two case studies of open pit mines. 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. The management of the slopes in an open pit mine depends, amongst other things, upon the assessment of the stability of these slopes.
This is generally referred to as a managed approach to slope design. Rock slope engineering civil engineering i am menglim. Peter stacey will assist in meeting stakeholder requirements for pit slopes that are stable, in. The ira represents the toetotoe slope angle, as shown in the diagram below. Pdf slopes in open pit mines must be considered as geotechnical. A risk consequence approach to open pit slope design by p. Guidelines for open pit slope design semantic scholar. Guidelines for open pit slope design in weak rocks by. The advantage of this approach is that the mining company does not require training on the software in order to begin seeing results fast. In addition, other areas requiring further research include the impact of groundwater pressures on rock mass strength, particularly in rocks with low permeabilities, and the role of stress in high open pit slopes.
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