We have provided engineering solutions around the world for open pit and underground projects. Sethi and dey 2004 studied the blast designs in indian mines and found that most of the designs are based on trial and error to a large extent. A large number of examples illustrate the application of the principles. The first volume introduces basic engineering concepts and the building blocks that make up a.
During a construction blasting operation near marlboro, ny, flyrock was showered on passing motorists on route 9 w about 180 feet from the blast pit. We operate open pit mines worldwide, providing high quality solutions and contributing to its optimization and efficiency. Blasting principles for open pit mining, set of 2 volumes vol 1. 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. 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, third edition mining. To expose and mine the ore, it is generally necessary to excavate and relocate. 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. Construct hole templates with design parameters such as fixed or variable collar or toe spacing, angle changes and variable toe horizons. Optimum blast design and modelling through our own software rioblast.
The first volume introduces basic engineering concepts and the building blocks that make up a blast design. Guidelines for open pit slope design, john read, peter stacey. In addition, the work can be used as a practical reference by professionals. Surface mining planning and design of open pit mining. Principles of slope design in open pit mines considering the importance of stakes, the slope design in open pit mines must be based on a wellcontrolled methodology, especially since experience shows that each rock mass characterized by its geological structure is unique, and therefore there are no standard recipes that achieve the right. Permission of the author and publisher is required for any other usage. Guidelines for open pit slope design by read, john ebook. 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. Outstanding textbook designed for courses in surface mine design, open pit design, geological excavation engineering and in advanced open pit mine planning and design. Ground vibration ground movement caused by the stress waves emanating from a blast. The bounds of the blast area were not adequately determined for this blast. The exploitation of an open pit mine is an exercise in safety, efficiency and productivity. Divided into two volumes, this accessible work describes the principles involved in hard rock blasting as applied to open pit mines.
A short video describing the concept of stemming of bore holes in surface mining and how its works from the shock wave dynamics perspective. Selection and validation of mine design criteria and mining method selection. Presplit blast design for openpit and underground mines. Open pit blast design analysis and optimisation edited by andrew scott this book addresses the challenge of optimising the design of blasts for open pit mines and quarries. Guidelines for open pit slope design is a comprehensive account of the open pit slope design process. The contributions cover all major recent advancements. Pit design overall slope of a pit depends on several factors of the pit slope. Compilation of the guidelines for open pit design book 1 providing guidelines for the design of slopes in open pit mines. Underground mine design, planning, scheduling, and detailed design. The kofi gold mine kgm of endeavour mining corporation in mali needed to select one of two alternative blast designs, blast design 1 bd1. Technologies for optimizing drilling and blasting in openpit.
Blasting principles for open pit mining, set of 2 volumes. Underground mine design, planning, and engineering srk. The largest open cut mine blast an 11 million tonne blast duration. Figure 87 analysis of efficient blast design efficient blast designs combined with the proper choice of explosive can produce better fragmentation with associated lower operating costs compared to blast designs and explosives used under adverse conditions.
Browse the amazon editors picks for the best books of 2019, featuring our. Assists drill and blast engineers, students of mining, civil engineers. Fragmentation measure to describe the size of distribution of broken rock after blasting. Shotplusi software blast design software uni tronic electronic blasting system a few design alternatives were evaluated using dmc model and the optimum design was implemented using shotplusi design software. Initiation the act of detonating explosives by any means. This is meant to be a toolbox for blast design in conventional rock quarrying and open pit mines. Mine engineering, open pit mine design, underground mine. Preblast survey face points, crest, toe, top of coal and drill surface points were imported to the software.
Open pit mine planning and design, two volume set, second. The stepbystep introduction to mine design and planning enables a fastpath approach to the matter by undergraduate and graduate students. Books international society of explosives engineers. Rotary drilling and blasting in large surface mines. Rock fragmentation by blasting contains the papers presented at the 10th international symposium on rock fragmentation by blasting new delhi, india, 2629 november 2012, and represents the most advanced forum on blasting science and technology. Blasting principles for open pit mining, set of 2 volumes vol 1 william a. 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.
How can i determine the open pit mine design parameters such. Hustrulid, 9781466575127, available at book depository with free delivery worldwide. 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. Optimized design of drilling and blasting operations in open pit.
It is not my intention in this book to become involved in a. This paper out lines surface mine blasting research com pleted since the bureaus last technology transfer seminar on blasting in december 1980. 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. Efficient blast designs combined with the proper choice of explosive can. Adaptive blast design means that the blast design can be modified in real time, by changing hole pat terns or the type and amount of explosive, based on newly acquired information about the rock mass. What are the parameters required for designing open pit mines. In a coal mine blast, flyrock traveled 900 feet and landed beyond the permit boundary causing a fatal injury msha, 1990a. The deadline for receiving these book ing forms is. Jan 09, 2016 surface mining planning and design of open pit mining 1. Line drilling a method of overbreak control which uses a series of closely spaced holes that are not. Most of these theories involve the interaction of the ground vibrations resulting from the detonation of the explosives in the presplit blast holes.
In order to implement an adaptive blastdesign strategy for openpit mines, two problems must first be solved. This book addresses the challenge of optimising the design of blasts for open pit mines and quarries. However, formatting rules can vary widely between applications and fields of interest or study. As a rule, openpit and coal strip mines using large drills will drill presplit holes that range from 9 to 12. 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. Blasting principles for open pit mining, set of 2 volumes by william a.
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. In practice, however, geological, geomechanical and operational conditions vary from deposit to deposit. Presplit design theory various theories have been put forward over the years regarding the mechanism by which a presplit mine is formed. This writeup is not meant to give straight answers to the blast design parameters, as every single quarry is unique.
The most common blasting method in open pit mines and quarries is. Drilling and blasting are the two most significant operations in open pit mines that. It presents a practical approach to the design and. Several theories have been developed by various authors for estimating open pit blast design parameters such as burden, blasthole spacing, subdrilling, explosive charge distribution in blastholes, stemming length and mile second delay patterns. As part of the response to the lack of research into the slope design over the previous 15 to 20 years, the large open pit lop project was initiated in 2004 with two basic streams, namely. Figure 84 typical bench cut with two free faces and fired with one delay per row. 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 mine design, planning, scheduling, and detailed design. Addresses the challenge of optimizing the design of blasts for open pit mines and quarries.728 837 672 1208 516 1148 509 1429 312 952 119 596 978 1065 258 206 748 724 1166 1481 941 406 356 182 1388 1353 582 851 950 860 1095 685 1451 1471 286 883 283 659 1436 783 369 657 320 649 476