Lilly's blastability index

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August undefined, 2024

NettetContexts 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 ... Nettet1. sep. 2013 · Lilly P., 1986 “An Empirical ... For a particular rock mass a value is assigned to each parameter and the blastability Index is calculated from these values.

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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 … 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 … etymology of supercilious

KAJIAN TEKNIS GEOMETRI PELEDAKAN BERDASARKAN ANALISIS BLASTABILITY ...

Nettet1. feb. 2024 · Lilly’s blastability index was initially developed to classify all the rock mass types present in the iron ore mines of the Pilbara area in northwest Western Australia. … http://users.auth.gr/christar/assets/pdf/papers/139%202413%20Chatziangelou-Christaras%20Rock%20Blastability%20EGE13.pdf NettetThe most common blastability index, A, was developed by Cunningham (2005) varies between 0.8 to 22 depending on the hardness and the structures of the rock mass and … etymology of sunyata

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Lilly's blastability index

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. … 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

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Nettet1. jul. 2012 · Then, the UM function of each evaluation index was obtained based on the initial data for the analysis of the blastability of six rock mass at a highway improvement cutting site in North Wales. The index weights of the factors were calculated by entropy theory, and credible degree identification (CDI) criteria were established according to … 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 …

http://www.davidpublisher.com/Public/uploads/Contribute/58d870e1c236c.pdf Nettet10. sep. 2014 · The Blastability Quality System (BQS) can be an easy and widely - used tool as it is a quick calculator for blastability index ... 1973), modified by Lilly (1986) …

NettetThe 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 … 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 ...

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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 … etymology of superstarNettet2. 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. fireworks cakehttp://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 fireworks butchart gardens victoria bcNettet4. 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 etymology of supervisionNettetA 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 Plane Spacing, Joint Plane Orientation, Specific Gravity Influence and Hardness. For a particular rock mass a value is assigned to each parameter and the Blastability Index … etymology of superstitiousNettetBlastability Lilly’sblastability index (BI) was used as an indicator for the ease of which a material will blast. The inputs into the BI are: JPS = Joint Plane Spacing Rating RMD = Rock Mass Description Rating JPO = Joint Plane Orientation Rating RDI = Rock Density Influence S = Rock Strength The rock strength was based on point load data and UCS fireworks calgaryNettetLevel 7727 is the twelfth level in Gummy Gardens and the 2381st jelly level. To pass this level, you must clear 10 single and 43 double jelly squares in 33 moves or fewer. When … etymology of suss