Optimized design of drilling and blasting operations in open pit. Open pit mine planning and design, two volume set, second edition. In order to blast the insitu rock to the desired fragment size, blast design parameter such as bench height, hole diameter, spacing, burden, hole length, bottom charge, specific charge and rock factor are considered. Mechanized under ground mines, mechanized open pit mines. Technologies for optimizing drilling and blasting in open. I always thought the look of these type of mines was really cool and couldnt find anyone else that attempted to make one yet so i figured i would give it a try. The book is intended to assist drilling and blasting engineers to understand their current operations and to modify blast designs and field practices to achieve target blasting performance. Mechanism of rock breakage while release of explosives energy upon detonation and other relevant points are discussed below. Orphan boy mine an underground mine at montana tech. Applied explosives technology for construction and mining, stig olofsson, 1997. To help you understand what is happening in these blasts, tony brumell has put together this commentary. Optimization of drilling and blasting operations in an. Improved blasting and bench slope design at the aitik mine.
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. The latter technique has become the most widely used in metal open pit mines, due to good results and its operational nature in hard rock formation. Bureau of mines, information circular 8550 includes bibliography. Symposium on stability of rock slopes in open pit mining and civil engineering, pp. The first volume introduces basic engineering concepts and the building blocks that make up a blast design. About copper mining and mining photo from copper mines in india by n g nair manager mines malanjkhand copper project. The new blast design concept applies the understanding of radial damage that is caused by the buffer hole column charge. Divided into two volumes, this accessible work describes the principles involved in hard rock blasting as applied to open pit mines. Its main effects resulted in reducing fines, in producing more uniform. Geotechnical considerations in open pit mines version 1. The excellent, userfriendly software guides the student through the planning and.
The book results from a unique international event which combined the 36th north american forum on the. How can i determine the open pit mine design parameters such. How can i determine the open pit mine design parameters such overall slope angle, bench slope angle, bench height, bench width and inter ramp angle. Cost effectiveness in openpit hard rock ore mining issuu. Browse the amazon editors picks for the best books of 2019, featuring our. A fundamental problem in open pit mine planning is that of determining the optimum ultimate pit limits of the mine. Open pit mine planning and design, third edition mining. A demonstration video showing how to do open pit mine design with designxl. Micromine 2016 scheduler is an attribute driven tool that uses 3d solid wireframes to create mining tasks for open pit mine planning and design.
The manner in which you use these tools is up to you. Thousands of new, highquality pictures added every day. Coverage of mining operations and properties is particularly strong, focusing on the reasons for the methods and techniques employed and possible future developments. When an explosive charge is detonated, chemical reaction occur which, very rapidly changes the solid or liquid explosive. Guidelines for open pit slope design is a comprehensive account of the open pit slope design process. 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 design in excel with designxl youtube. Optimization of blasting design parameters on open pit bench a.
Buffer hole radial damage is defined by a practical damage limit applied to the rock lying between the buffer holes and the perimeter. Jan 09, 2016 surface mining planning and design of open pit mining 1. Surface mining planning and design of open pit mining 1. The stepbystep introduction to mine design and planning enables a fastpath approach to the matter by undergraduate and graduate students. Mining activity is mostly represented by these four main operations. Optimized design of drilling and blasting operations in. Control blasting, mining, rock fragmentation, presplitting, blast damage. Optimization of blasting design parameters on open pit bench.
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. A large number of examples illustrate the application of the principles. This is just one way of creating an underground mine design for this data set. Addresses the challenge of optimizing the design of blasts for open pit mines and quarries. This is a very large open pit type mine i have been working on recently. Controlled blasting techniques were used to control overbreaks and to aid in the stability of the remaining rock mass at rampura agucha openpit mine in india. Assists drill and blast engineers, students of mining, civil engineers. Blasting principles for open pit mining, set of 2 volumes. Open pit slope depressurization using horizontal drains a case study simon leech a, matthew mcgann b a pt newmont nusa tenggara, geotechnical and hydrogeological dept. At rampura agucha mine open pit india this assumes a greater emphasis as its. The influence of air deck blasting on blast performance and blast economics and its feasibility has been studied in the production blasting of soft and medium strength sandstone overburden rocks in an open pit coal mine in india. Open pit mine planning and design william a hustrulid.
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. Optimization of blasting design parameters on open pit. Some technical aspects of open pit mine dewatering by v. A new perimeter control blast design concept for underground. The excellent, userfriendly software guides the student through the planning. Optimization of blasting parameters in opencast mines. Cost effectiveness in openpit hard rock ore mining. Explosion in gates mine of h c frick coke co, 10 killed. Current and approved operations within the complex include the north open cut, the underground mine, south pit and the extended south pit western extension. Technologies for optimizing drilling and blasting in openpit. National institute of technology rourkela this is to certify that the thesis entitled optimization of blasting parameters in opencast mines submitted by sri manmit rout roll.
Most of the mining activity is concentrated on open pit. Blasting principles for open pit mining, set of 2 volumes vol 1 william a. Open pit slope depressurization using horizontal drains. Outstanding textbook designed for courses in surface mine design, open pit design, geological excavation engineering and in advanced open pit mine planning and design. As an example, smaller drilling patterns were simulated 10 m x 10 m to 8 m x 8 m, and 8 m x 8 m to 7 m x 7 m in pit 5 and pit 6 respectively in combination with changes in explosives p700 emulsion vs. The definition of a open pit mine is an excavation or cut made at the surface of the ground for the purpose of extracting ore and which is open to the surface for the duration of the mines life. Pdf improving pit wall stability by minimizing blast damage vis a. It presents a practical approach to the design and. Feb 25, 2011 cost effectiveness in open pit hard rock ore mining. The second volume goes into more depth to provide a better understanding of the. How can i determine the open pit mine design parameters. Mining costs for unit operations which includes loading, hauling, crushing costs reduce with increasing rock fragmentation sizes. Apr 20, 2006 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 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.
The air deck blasting technique was very effective in soft and medium strength rocks. It encompasses blast management across both the integra coal open cut and integra coal underground sites, collectively known as the complex. Surface mining planning and design of open pit mining. In order to implement an adaptive blastdesign strategy for openpit mines, two problems must first be solved. It presents a practical approach to the design and assessment of blasts, and demonstrates how blasting operations can be engineered not only to solve classic blasting problems, but also to optimise blasting performance to meet the needs of. The mine is owned and operated by the boliden mineral ab mining company.
The use of air decks in production blasting in an open pit. Building on the success of its 2006 predecessor, this 3rd edition of open pit mine planning and design has been both updated and extended, ensuring that it remains the most complete and authoritative account of modern open pit mining available. Blasting practices in mines have undergone many changes in the recent past and continue to be honed and reconfigured to meet the demands of todays mining needs. These limits are that pit contour which is the result of extracting a volume of. Dust on miners shirt gives first inkling on surface of frick mine explosion. Blasting principles for open pit mining, set of 2 volumes vol 1. Drilling and blasting are the two most significant operations in open pit mines that play a crucial role in downstream stages. While previous research has focused on optimizing these operations as two separate parts or merely in a specific parameter, this paper proposes a system dynamic model sdm for drilling and blasting operations as an interactive system.
The main objective of this tutorial is to teach you the tools for creating an underground design. 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. Before creating a scheduling project, an engineer must prepare their data so that it can be used for mine scheduling. Ausimm is devoted to all aspects of underground, opencast and offshore mining operations. Open pit mine planning and design william a hustrulid, mark. In our case, we will actually begin the design at the ore zone, and work back to this point. This book addresses the challenge of optimising the design of blasts for open pit mines and quarries. Pit design overall slope of a pit depends on several factors of the pit slope. I didnt base this one on any particular place but just went. In addition, the work can be used as a practical reference by professionals. Controlled blasting for long term stability of pitwalls. Wei sun department of industrial systems and design engineering, ohio university, athens, ohio, usa a computeraided blast design collsultanl system has been developed. Mine design is the appropriate engineering design of all the subsystems in the overall mine structure, e. Improved blasting and bench slope design at the aitik mine pi.
This is a key element in open pit mine planning and design. No 10305017, in fulfillment of the requirements for the award of bachelor of. To expose and mine the ore, it is generally necessary to excavate and relocate large quantities of waste rock. Permission of the author and publisher is required for any other usage. Find openpit mine stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection.
Presplit blasting presplit blasting is an effective technique for stabilizing the final wall in open pit metal mines. Covering the gamut of mining methods and commodities, our mining engineers and specialists support our clients every step of the way from the early stages of exploration and project evaluation through detailed design, permitting and construction, to operational support and mine closure. Covering the gamut of mining methods and commodities, our mining engineers and specialists support our clients every step of the way from the early stages of exploration and project evaluation through detailed design, permitting and. Blasting principles for open pit mining, set of 2 volumes by william a. 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. Designxl is a mine design tool which works inside microsoft excel 2007 or above on the spatialxl. Blasting principles for open pit mining by william a.
Mine engineering, open pit mine design, underground mine. Nilsson nitro consult ab, sweden abstract the aitik open pit mine, located in northern sweden, currently faces a substantial production increase. Out of stock, only available as a set in paperback. Find open pit mine stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Parameters considered in open pit bench blast design modified after anon, 2012, t, u, s h, l, d. Optimization of drilling and blasting operations in an open. This volume compiles papers of the workshop blasting in mines new trends, hosted by the fragblast 10 symposium. The blast design parameters used by the mine owners in ore bench blasting were obtained and later modified using sharma, p.
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