Softblast is the australasian distributor of splitdesktop software for fragmentation size determination. This technology allows your blasts to be captured and analysed for effective decision making. Market leading automated triggering is used to efficiently capture images of material travelling along a conveyor belt. Analysis of blasted rocks fragmentation using digital image. With an effective particle size analysis solution in place, mines can optimize blasting results and realized significant time and cost savings. The mean fragment size of rock should not too high or too low. An optimal blast not only results in proper fragmentation but also reduces undesirable effects like ground vibration, fly rock and formation of toe in opencast benches.
Rock fragmentation depends upon two groups of variables. Many variables such as blasting geometrical parameters, rock properties, explosive specification and insitu geology influence rock fragmentation. Rock drilling blasting design, planning and analysis. Whether you are a mining engineer designing blasts everyday, a manager looking for a better control of blasting operation or a blaster starting out learning how to improve blast design, dnablast software has the right tools for you. Fragmentation is the ultimate measure of efficiency of any production blasting operations.
Evidences of the influence of the detonation sequence in. Drilling and blasting are fundamental operations in the mining cycle and consti tute an important component of the mining costs. Oct 12, 2012 independent upon blasting direction, hole deflection may be a considerable problem in inclined schistose rock, resulting in zones with poor fragmentation and bench floor problems. In opencast mining, where blasting is employed for excavation, the overall cost effectiveness of the production operations is compatible with optimization of. If you want to go through some math, there are several models to predict fragmentation. Soft blast is the australasian distributor of splitdesktop software for fragmentation size determination. The fragment size analyses were carried out using wipfrag software.
The contributions cover all major recent advancements in blasting and fragmentation, from realistic treatment of the target rock. Fragmentation energy in rock blasting pdf free download. Highenergy explosives enhance fragmentation, which ultimately produces a positive effect on production. The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Fragmentation principles evaluation of fragmentation factors controlling fragment size. Mar 12, 2019 opitblast is windows blast design software to plan, share and control all the blast operations and their results. Blasting pattern software, our blast specialists are expert in blast design software. In the mining world, rock blasting is one of the main procedures of ore winning process hustrulid, 1999. A unique reverse engineering tool for mining engineers looking for optimizing blast on a daily basis. The dnablast model provides a holistic and realistic model of rock breakage, and consequently of fragmentation distribution size, taking into account all key parameters. Our fragmentation control solution provides the capture and reporting of fragmentation data, enabling improvements in fragmentation outcomes.
Is there a analysis s software of blasted rocks fragmentation, that. Rock fragmentation control in opencast blasting sciencedirect. Split engineering rock fragmentation size image analysis. For the most versatile and powerful blasting design solution. 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. Having the capacity to determine the expected rock size after blasting based on design parameters provides a strong basis for future designs.
In opencast mining, where blasting is employed for excavation, the overall cost effectiveness of the production operations is compatible with optimization of drilling and blasting parameters. Soft blast and its agents can also provide technical support and training. Optimization of blast fragmentation and muck profile. Wipwares innovative image, conveyor and vehicle material analysis software monitors particle sizes in the field and laboratory helping you make quantitative decisions, increase productivity, reduce downtime and lower operating costs.
Proceedings of the 9th international symposium on rock fragmentation by blasting. Blasting and fragmentation journal international society of. Regarding the abovementioned problems in detecting rock particle dimensions using the existing software, in this research, an appropriate algorithm is developed by using the image processing methods and presented for detection of rock particles. Technical decisions, blasting costs, operational efficiency and productivity, and equipment performance can all be related to optimum rock fragmentation. This is because oversize rock and very fines rock will occur.
Iblast is blasting simulation engineering software to help optimise results without delaying the blasting process. Planned fragmentation is affected by blasthole burden, spacing, explosive strength, geologic factors and blasthole diameter. Blast fragmentation analysis using image processing. Site of study is a limestone quarry producing limestone for cement manufacturing. Fragmentation results are the primordial kpi that determines the quality of a blast. A versatile fragmentation analysis software wipfrag can be used right at your fingertips. For this reason, a mature model has not yet been developed to meet all mining conditions and geological features siddiqui et al. Approximately vertical fracturing and little anisotropy typical rock types are quartzite and granite gneiss. Approximately vertical fracturing and little anisotropy typical rock.
Opitblast is windows blast design software to plan, share and control all the blast operations and their results. Paper open access numerical simulation of rock fragmentation. A new framework for evaluation of rock fragmentation in open. Fragmentation control optimising fragmentation for. Blast monitoring and fragmentation analysis rocketmine.
Is there any software for designing blasting pattern in tunnel. Rioblast is a blast design and simulation software package, developed by maxam for drilling and blasting engineers and artillery experts. Opitblast has tools to evaluate and estimate fragmentation even before the blast is performed. The combination of our drilling and blasting technologies allow us to cover the largest possible volume and achieve the maximum displacement of sterile material, reducing the costs of excavation and transportation. Break it better mine blast fragmentation international mining. Over blasting results in excessive energy consumption and high explosives expenses, while under blasting produces large rocks that overwork downstream equipment and shorten their lifespan. It also shows calibration of factors given for the quarry. Portable 3d imaging and rock fragmentation motion metrics. Is there any software for designing blasting pattern in.
This thesis tests whether or not short holetohole delay times improve rock fragmentation in full scale bench blasting. The technology exists to reduce analysis time and build sufficient models to accurately predict rock fragmentation. Analysis of blasted rocks fragmentation using digital. Fragmentation of the rock after blasting is an important determinant of the cost associated with these two components of mine development.
A new framework for evaluation of rock fragmentation in open pit. Softblast and its agents can also provide technical support and training. But this simple statement underestimates how important this activity is for the whole mining operation. The microsoft excel regression analysis correlated the two intact rock properties with the blasting efficiency. Blast design software opitblast ask us for a free trial. A practical method of bench blasting design for desired fragmentation based on digital image processing technique and kuzram model. Six different delay times were tested during four blasts at a granite quarry in talbotton, ga. Blastatistics software for quality control of drilling and blasting in opencut mines. Shotplus blast design and modelling software for surface. Stuart thomson, oricas global bulk and packaged explosives product manager, explains in this paper how blasting improves productivity and environmental performance with some. One of the inseparable parts of mining activities is blasting which one of its important outcomes is fragmentation. Rock fragmentation can in principle be managed by means of two options. Analysis of blasted rocks fragmentation using digital image processing.
Wipfrag wipware fragmentation analysis software and. Jan 05, 2019 in the mining world, rock blasting is one of the main procedures of ore winning process hustrulid, 1999. Rock fragmentation by blasting, colorado, august, 47587. Rock fragmentation control in opencast blasting pdf free. Split engineering is the leader in providing coarse rock size measurement systems and software for every stage in the comminution process. Rock fragmentation by blasting orica mining services. With blastiq i can see things like fragmentation size, how the shots coming up so we can tweak the patterns to try and keep a. Its simple, intuitive interface can import actual data from the topography of the terrainbench and display them in a 3d environment, and also. Software solution for better rock drilling blasting design, planning and analysis. Prediction, blasting, rock, granulation, fragmentation, blasted material. Independent upon blasting direction, hole deflection may be a considerable problem in inclined schistose rock, resulting in zones with poor fragmentation and bench floor problems. Limestone rock fragmentation analysis using wipfrag. Wipware fragmentation analysis software and hardware. Accepted, online first hamdi e, du mouza j 2005 a methodology for rock mass characterization and classification to improve blast results.
Our shotplus range of blast design and modelling software enable. By optimising rock fragmentation by blasting, you can achieve significant improvements in waste productivity, mill throughput, fragmentation profile and wall stability. Overblasting results in excessive energy consumption and high explosives expenses, while underblasting produces large rocks that overwork downstream equipment and shorten their lifespan. While the jkmrc is involved in an international collaborative project developing a more fundamental model of rock breakage, designated as the hybrid stress blasting model hsbm cundall et al, 2001, work is continuing to develop and improve. Outputs of the split desktop software were obtained in tabular form as. The most common software packages for this method are goldsize. Attenuation law generator, blasting ppv warnings in near structures and critical blasting zones. Fragmentation size distribution of a blast is the primordial kpi that determines the quality of a blast.
Pdf analysis of blasted rocks fragmentation using digital image. The use of explosives, to break and fragment rock, is the fastest and efficient procedure to make it transportable has become a worldwide used technique. It is difficult to give complete theoretical solution for its prediction. Measurement of size distribution of blasted rock using.
By optimising rock fragmentation by blasting, you can achieve significant improvements in waste productivity, mill throughput, fragmentation profile and. Our shotplus range of blast design and modelling software enable users to design. Since 1997, split engineering has been providing systems, software and service to the worldwide mining industry to enable process measurement and control. Importation of real data and rock factor determination. Rock fragmentation is a complex dynamic process relating to the interaction between rock mass and explosives. Objectives at the end of this chapter, participants will be able to achieve. Blast monitoring and fragmentation analysis helps improve safety, reliability and improve accuracy. Proceedings of the 2nd international symposium on rock fragmentation by blasting. Aug 24, 2017 one of the inseparable parts of mining activities is blasting which one of its important outcomes is fragmentation. Improve safety and environmental impact assure security of supply optimize rock fragmentation real time rock characterization. Blast design software blasting pattern software for mining. Put fragmentation at your fingertips on your windows computer, tablet, android or ios device with wipfrag.
Based on desired blasting inputs such as face coordinates, hole diameter, pattern layout, face rock characteristics and location, face profile, hole diameter, pattern layout, desired fragmentation size, explosives and initiating devices, environmental co. A new framework for evaluation of rock fragmentation in. Whether you are a mining engineer designing blasts everyday, a manager looking for a better control of blasting operation or a blaster starting out learning how to improve blast design, dna. The contributions cover all major recent advancements. Based on desired blasting inputs such as face coordinates, hole diameter, pattern layout, rock characteristics, explosives, fragmentation size etc. One of the major concerns related to blasting operation in mining and civil engineering projects is rock fragmentation. There are various methods for determining the degree of fragmentation which are divided into two groups, direct and indirect methods. It is affected by the blast design characteristics, the explosive quality and specification and the rock properties. The output of the analyses are in the form of number of exposed fragmented blocks, maximum. This is to certify that the thesis entitled limestone rock fragmentation. In recent years, image analysis technique has been used for prediction of rock fragmentation by blasting as a highcapability method in mining industry. Maxam foundation maxam chair blasting solutions design and simulation of blasts rioblast. Fragmentation predictor software fragmentation software. The blasting process, in which the optimal fragmentation and desirable displacement are.
In the past, the lack of an easy, nondisruptive, economical measuring technique has meant that, in most cases, rock fragmentation has not been defined in quantitative terms. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting costs under control. Frequent blasting, poor fragmentation and poor utilization of equipment. With the objective to design, concept, iblast advanced delivers optimized initiation sequence for electronic delayed detonators based on required objectives fragmentation, vibration. The fragmentation of rock is fundamental to mining. In order to overcome this drawback, the main goal of this paper is to provide a new framework to evaluate and predict rock fragmentation based on the. Fragmentation is the first result of blasting that is directly related to the mining costs. The resulting calibrated value of the rock enables the quality prognosis of fragmentation in further blasting works with changed drilling geometry. In this paper, fragmentation of the rock after blasting is estimated analytically by the use of neural network method. Fragmentation analysis performed on a rock pile using wipfrag. Blasting fragmentation prediction and optimization. Rock fragmentation distribution influences a range of mining and milling processes including load and haul rates, crushing and grinding performance and ore recovery in beneficiation processes michaud et al. Blasting and fragmentation journal international society.
Split engineering provides measurements to manage fragmentation from blast to mill to improve mine profits. Blasting is the pillar of open pit mining and is directly influenced by many factors, both in design and terrain, and can influence much of the ultimate mine design and cost realization. Fragmentation predictor software fragmentation software for. The following buttons are for information about delpat. The effects of short delay times on rock fragmentation in. Subscribe now submit a paper paper formatting instructions pdf.
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