for controlled blasting in open pit mines, they also offer great flexibility to production blasts (Dent, 1994; Kay, 2000, Mckinstry et al. 2002; Chavez and Chantry, 2003, Grobler, 2003; Mishra and Gupta 2012). This paper presents a case study of controlled blasting at a limestone mine. In the phase of expansion of cement plant a highly controlled
To fulfill this aim, 112 blast operations were precisely measured and collected in one the limestone mines of Iran. These blast operation data were utilized to construct the artificial neural ...
The present paper highlights some important fragmentation issues experienced in the limestone quarry blast rounds. In light of these major issues, the paper outlines influence of a few important ...
The company is planning for limestone quarrying and exporting. Also plans to construct two jetties with depth of 16 meters for export of limestone and dolomite.
DOI: 10.1016/J.IJRMMS.2005.09.004 Corpus ID: 129324408; Fragmentation assessment and design of blast pattern at Goltas Limestone Quarry, Turkey @article{Ozkahraman2006FragmentationAA, title={Fragmentation assessment and design of blast pattern at Goltas Limestone Quarry, Turkey}, author={H. T. Ozkahraman}, …
Download Table | Blasting pattern specifications of limestone mines. from publication: A comparative study on the application of various artificial neural networks to simultaneous prediction of ...
Download scientific diagram | A typical drilling and blasting pattern in surface mining. from publication: 3-D Visual Drill and Blast Design | State-of-the-art software and computer technology ...
In this study, which dealt with the amount of fragmentation in Pir Ali limestone mine, the digital image processing method and Split Desktop software that is the most efficient software in this respect were used. ... Ozkaharan HT (2006) Fragmentation assessment and design of blast pattern at goltas limestone quarry, Turkey. Int J Rock …
GEP, ANN, NLMR, and LMR models were used to predict BC in limestone mines, and the results obtained were compared with the real data collected from six limestone mines in Iran. 2. Methodology The following measures were taken for BC (Figure 1): - Data collection and determination of the input,, and constraints parameters;
Smooth blasting in limestone mine is a practical approach for damping of kinematic energy and decreasing its damage effects. Therefore, in this paper, smooth …
The holes are made close to vertical. The drilling pattern was staggered. Blasting has been carried out using EMULSION BOOST, KELVEX-600 and Ammonium nitrate fuel oil (ANFO) explosives. The explosive was detonated using shock tube-based detonator and the different firing pattern used in mine are shown in Figures 2a–c.
Predictions were made based on the input parameters of a limestone quarry and the blast design were varied to predict new design parameters that reduced the mean fragment size from 113cm to 105cm. ... Ranjan and Murthy, 2004). Some of the explosives extensively used in mining are; (i) Special Gelatine (ii) NG- based 22 …
This project conducted in order to analyses the optimization of drilling and blasting parameters to influence achievement of good fragmentation at Songwe II Limestone quarry.
blasting operations, ANFO (ANFO is an explosive mixture that is used in coal mining, quarrying, metal mining, and civil construction. It consists of 94% ammonium nitrate and 6% fuel.) and emulsion explosive (Commercialized by ParChine Co. under name of Emulite, Emulite was used in priming of ANFO for initiation of explosion) were used as
This note is a brief compilation of the paper entitled "An economic way of conducting optimum blasts in limestone mines" which was submitted for publication in The Mining Engineering Journal, USA.
If a blast face having two free faces, then diagonal firing pattern (Fig. 1) provides two free faces for each blasthole and good fragmentation is achieved.However, if blast face is having only one free face, then V-firing pattern (Fig. 2) provide two free faces for each of the hole results good fragmentation achieved because in this type of firing …
Optimization of blasting design in open pit limestone mines with the aim of reducing ground vibration using robust techniques June 2020 DOI: 10.1007/s40948-020-00164-y(0123456789().,-volV()
Middle East is amongst the top commodity traders of this mineral. And Arij is honored for having supplied the highest quality of Limestone and specifically the highest purity of 99% at a cost-effective price to different countries. This mineral has enormous diversity of industrial applications and what follows are some key uses of Limestone:
Using TOPSIS method, the present study tries to investigate the blasting operation in the Tajareh limestone mine and select the most appropriate blasting pattern.
Blasting operations create significant problems to residential and other structures located in the close proximity of the mines. Blast vibration is one of the most crucial nuisances of blasting, which should be accurately estimated to minimize its effect. In this paper, an attempt has been made to apply various models to predict ground …
Patterns on Rock Blasting at Aruwakkalu Limestone Quarry, Sri Lanka Surangani RKH, Shanthilal S, Sandaruwan DLCD, *Chaminda SP, ... Rock blasting, Limestone mining, Software simulation 1 Introduction The main goal of a quarry's management is to reduce the cost of raw materials by meeting the plant's needs for amount and quality. Also, the ...
Excavators are used to remove the topsoil and surface miners were used to mine limestone. As no drilling and blasting are involved, there is a reduction in air pollution and high noise generation. The surface miners also have an inbuilt dust suppression system (Indian Bureau of Mines 2014). 4.2.3 Dump Stabilization at Halki …
This paper is an application of artificial neural networks (ANNs) in the prediction of the geometry of surface blast patterns in limestone quarries. The built …
The blasting operation considerably influences the overall productivity of opencast mines, especially when blasting results in oversized fragments that impact the operations ranging from excavation to milling. In this work, a numerical analysis of blasting performance was implemented to optimize the blasting parameters and improve the …
During blasting operations in open pit mines, most of the blast energy (approximately 40%) is wasted due to ground vibration. This phenomenon causes damages to the surrounding structures and pit ...
Blast vibration is one of the most crucial nuisances of blasting, which should be accurately estimated to minimize its effect. In this paper, an attempt has been made …
A well designed blast is a controlled blast, with the blasthole pattern so arranged that best advantage is obtained from the explosives' energies, the properties of the material being blasted, and ...
Gulf Mining and Rock Blasting is a well established and long standing business group on the Sultanate of Oman, having operations all over The Sultanate of Oman. The history of Gulf Mining and Rock Blasting derives from 2008, starting as a blasting specialist sub-contactor. Since then, it has evolved onto a leading rock drilling, blasting and ...
Publication Date: 1972: Personal Author: Pugliese, J. M. Page Count: 40: Abstract: The work was done to provide quarry operators with an uncomplicated, first approximation method for designing blast patterns, considering geologic structure, and to show the valid use of the technique by comparing drill and blast pattern dimensions used in the quarry …
Dierent limestone mines in India show dierent nature of jointing in their rock strata. Accordingly, the blasting outputs from three dierent limestone mines, viz. Rawan limestone mine, Sagmania and Birhauli limestone mine and Injepalli limestone mine, have been compared along with their blast design parameters and the nature of joint.
Except for very deep-seated deposits, open cast mining method has been recognized as the safest and most productive mode for mining minerals. Ever growing demand in minerals and coal has compelled the mine operators to increase the size of mine, which has resulted in an increasing trend towards large capacity open cast …
Fragmentation assessment and design of blast pattern at Goltas Limestone Quarry, Turkey ... Blasting is widely used in mining and civil engineering due to its economy and efficiency [1][2][3][4][5] .
The mining process involves several sequential stages, including drilling, blasting, loading, transportation, and mineral processing. Among these stages, blasting costs (BC) exhibit greater sensitivity compared to others. Inadequate blasting practices can lead to additional drilling, increased explosive consumption, and environmental consequences such as …
Effective blasting using mixture of ammonium nitrate, fuel oil, sawdust and used oil at limestone mine January 2012 Transactions of the Institution of Mining and Metallurgy, Section A: Mining ...
The system stores blast details, actual blast parameters,blast pattern, face profile, explosive consumption, charging details, recorded videos be used for observing face movement and hole by hole behaviour. The stored blast information data can be retrieved quickly and easily. ... This limestone mine in northern Rajasthan designed to product ...
This paper presents a case study of limestone mine where a controlled blasting was conducted near a green structure of wagon tippler (at 2 m) being …
Currently, construction development is increasingly being carried out in Indonesia. In this case, PT. Indocement produces cement to meet these needs. Cement is produced from the earth's limestone (limestone). In an effort to meet their production needs, they carry out their own limestone mining. Blasting is chosen to dismantle the …
