Lilly's blastability index

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August undefined, 2024

Nettet17. apr. 2024 · Lilly PA (1986) An empirical method of assessing rock mass blastability. Large open pit mining conference, Newman, pp 89–93. Lilly PA (1992) The use of the blastability index in the design of blasts for open pit mines. In: Proceedings of Western Australian conference on mining geomechanics, Kalgoorlie, West Australia, pp 8–9 Nettet2. 1. 2. Blastability Index Lilly [18] presented his famous equation based on the blastability index. Lilly [18] calculated blastability index based on characteristics of the rock mass. The blastability index is calculated based on Equation (8) and so is specific charge based on Equation (9). The details of these parameters in

Blast Fragmentation Appraisal Means to Improve …

NettetPercobaan geometri alternatif dilakukan untuk mengatasi masalah boulder yang dihasilkan. Rancangan geometri alternatif ditentukan dengan melakukan penelitian terhadap karakteristik massa batuan berdasarkan Lilly's blastability index berupa rockmass description, joint plane spacing, joint plane orientation, specific gravity … Nettet30. jan. 2024 · The Mamdani fuzzy algorithm was used to express the blastability index by fuzzy sets, and Lilly and Ghose blastability models which are important models of blastability were used. Rock masses have inherently different resistance to fragmentation by blasting. This property is hereafter referred to as the blastability of a rock mass. … col tom parker book

(PDF) Prediction of the blastability designation of rock masses …

Nettet27. mai 2015 · Rock mass blastability classification provides a theoretical basis for rock mass blasting design, which is used to select blasting explosives, to estimate the unit explosive consumption, and to … Nettetrock mass characteristics, and Lilly’s (1986) Blastability Index (BI). The index is an empirical method of linking geological characteristics with the effectiveness of rock … Nettet1. jan. 1999 · Consequently, a blastability assessment system has been developed to accommodate the different degree of influence on blastability of a variety of intact rock and rock mass properties, helping to put blasting operations on a more logical footing. The development of the blastability system follows from current understanding of the … colt official police holster

Rock Mass Blastability Classification Using Fuzzy …

A review of the methods to incorporate the geological …

Nettet25. feb. 2011 · Rock factor - An attempt to quantify the effect of rock parameters on fragmentation was made by Cunningham (1987), who used Lilly’s (1986) “blastability index A”, and incorporated it in his ... NettetLilly´s Blastability Index Lilly (1986) desarrollo un índice de voladura basado en una combinación de propiedades físicas y estructurales del macizo rocoso a ser volado. Este índice, tiene una base similar a los sistemas de clasificación geo mecánica de los macizos rocosos desarrollados por Bieniawsky, Barton y Hansagi y fue pensado para su uso … dr theodore small-floridaNettet1. okt. 2010 · Lilly [17] developed a blastability. index based on rock mass description, ... The outputs of the Blastability Index Rating Method and fuzzy model. No. P. i. Parameter Weight, W. i. col tom parker children

"Nettet30. jan. 2024 · Lilly [31] de ned a blastability index that is obt aini ng by adding the re presented value of ve geomechanics par ameters. In Table 1 , the rati ngs for Lilly … " - Lilly's blastability index

Lilly's blastability index

Development of an assessment system for the blastability of rock …

NettetSIGNIFICANTLY AFFECTING BLASTABILITY. Tbe BhtabiIity Index, f i t published by Lilly (1986). is re-examined and applied te a range of rock mass conditions which exist … Nettet21. apr. 2015 · Lilly (1986) developed a rock mass classification system for use in blast engineering, called the Blastability Index, which is based on what the writer considers …

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NettetThe Blastability Index (or 'Rock Factor') is calculated from an equation originally developed by Lilly. ... Lilly 1986, "An empirical method of assessing rock mass …

NettetA method of assessing the blastability of a rock mass is presented which makes use of five, readily available, simple parameters. These are the rock mass description, joint … Nettet26. jun. 2024 · Uniformity index n represents the range of fragment size distribution and it is applied to evaluate fragment size by Rosin and Rammler cumulative distribution function for a muck pile. The uniformity index n of fragment size distribution has been assessed by digital image analysis technique using Split-Desktop for several blasthole parameters …

NettetLevel 6727 is the second level in Floaty Fortress and the 1648th mixed mode level (121st order-ingredients). To pass this level, you must collect 5 cherries, 2 cake bombs and 30 … Nettetrock mass characteristics, and Lilly’s (1986) Blastability Index (BI). The index is an empirical method of linking geological characteristics with the effectiveness of rock-breaking with bulk explosives. The second objective was to use rock mass classification to inform perimeter blast design with the BI as an indicator of potential rock ...

Nettet4. nov. 2024 · Lilly PA (1992) The use of blastability index in the design of blasts for open pit mines. In: Szwedzicki T, Baird GR, Little TN (eds) Proceedings of Western Australian Conference on Mining Geomechanics, Kalgoorlie, West Australia, 8–9 June 1992. Western Australia School of Mines, Kalgoorlie, pp 421–426. Google Scholar

Nettet2. Berdasarkan hasil perhitungan distribusi ukuran fragmentasi metode Kuz-Ram diketahui bahwa geometri peledakan yang diterapkan saat ini rata - rata menghasilkan boulder (ukuran lebih dari 1 meter) sebesar 22,27 %, digging rate rata - rata sebesar 1.312,64 Bcm/jam dan produktivitas sebesar 724,58 Bcm/jam. col. tom parker wikiNettetThe first objective was to establish zoning boundaries within the pit based on rock type, rock mass characteristics, and Lilly's (1986) Blastability Index (BI). The index is an … col tom shermanNettetConsidering that blastability index, as it is calculated by Lilly’s formula, is based on geological formation description, joint density and orientation, evokes the same … dr theodore suchy hoffman estates il docbiosNettet28. okt. 2010 · 09/14/2007 10:29 PM. Gidday, Wondering if anyone can help me find detailed information on these two subjects (JKMRC Blastability and Lilly's Blastability Index). I have done the usual searches and have found some information, but specific information seems to be lacking. Any information at all, as sometimes the obvious to … dr theodore strange staten island nyNettet20. okt. 2012 · Density has been used in most of the blastability model developed by different researchers viz. Lilly , Ghose and Scott . Maximum rating of 15 is assigned to lower density rock (1.2–1.6 g/cc) and a minimum rating of 5 has been assigned for higher density rock (>2.5 g/cc). col tom smithNettetContexts in source publication. Context 1. ... [31] defined a blastability index that is obtaining by adding the represented value of five geomechanics parameters. In Table 1, the ratings for ... dr theodore suchy hoffman estates il ratemdshttp://download.garuda.kemdikbud.go.id/article.php?article=1551749&val=1485&title=Analisis%20Pengaruh%20Parameter%20Geomekanika%20Batuan%20Terhadap%20Kegiatan%20Peledakan%20Pada%20Front%20Penambangan%20Blok%20A2%20di%20CV%20Triarga%20Nusatama%20Kecamatan%20Lareh%20Sago%20Halaban%20Kabupaten%20Lima%20Puluh%20Kota%20Sumatera%20Barat dr theodore suchy hoffman estates il wellness