selection of shaft sinking method for underground mining in

selection of shaft sinking method for underground mining in

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IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) ISSN: 2278-1684 Volume 3, Issue 5 (Sep-Oct. 2012), PP 15-20 iosrjournals.org Selection of Shaft Sinking Method for Underground Mining in Khalashpir Coal Field, Khalashpir, Rangpur, Bangladesh Atikul Haque Farazi1, Chowdhury Quamruzzaman2, Nasim Ferdous3, Md. Abdul Mumin4, Fansab Mustahid5, A.K.M Fayazul Kabir6

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In this paper, our concern is about shaft sinking method for underground mining. Depths of the coal seams reveal the necessity of a vertical shaft underground which again needs deep excavation ...

Shaft sinking methods - Shaft sinkers Most underground ...

Nov 28, 2018 · sinking companies are specialists that are generally specific to underground mining. There has, however , been a shift with ownership of the specialist shaft-sinking companies being taken over by large civil firms, yet seldom do

Underground haulage selection: Shaft or ramp for a small ...

Underground haulage selection: Shaft or ramp for a small-scale underground mine ... The current mining method is a modified top-slicing with filling. In this method the ore is extracted in form of slices ... The shaft sinking is to be made by means of drilling and blasting. The advance rate will be

Mine Shaft Sinking Methods

Mar 28, 2017 · Conventional mine shaft sinking methods involve the performance of a cycle of different operations—drilling and blasting, removal of smoke and cleaning of fly-rock lodged on overhead timbers, mucking and hoisting of the broken rock, and timbering. The latter (a) may be the last operation of the cycle, (b) may be carried on during drilling and mucking, provided it is done from a substantial ...

Sinking Methods and Present Situation of Vertical Shafts ...

Jan 01, 2019 · The paper has a prediction on the shaft sinking requirements and development tendency in the future for China.INTRODUCTIONA mine shaft is one main development method of access in an underground mine. In recent years in China the new shaft mines represent 45% of

Shaft Sinking Methods: Caisson Method and Cementation ...

The special methods are: 1. The Piling System 2. Caisson Methods 3. Freezing Method 4. Cementation Process 5. Drilled Shafts. Method # 1. The Piling System: This method is known as simply “piling” or “sheet piling and is suited sinking through loose deposits of sand, mud, or alluvium near the surface upto a

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May 26, 2016 · PURPOSE OF SHAFT SINKING shaft sinking is used for many purposes. To transport men and materials to and from underground Workings. For hoisting ore and waste from underground. To serve as intake and return airways for the mine (ventilation shaft). To access an ore body These shafts are used in applications such as hydro electric projects, water ...

MINE DEVELOPMENT – ACCESS TO DEPOSIT

The Southern African Institute of Mining and Metallurgy Platinum 2012 101 S.M. Rupprecht MINE DEVELOPMENT – ACCESS TO DEPOSIT S.M. Rupprecht University of Johannesburg Abstract A deposit to be mined by underground methods can be accessed by a number of methods: • Adit • Decline or ramp • Inclined shaft • Vertical shaft.

TUNNELS, SHAFT AND DEVELOPMENT HEADINGS

mines development headings provide; mine access for men and materials, ore and waste hoisting, and ventilation paths. Shafts are also used in civil construction projects. In hydroelectric projects, shafts and tunnels are used to build spillways around dams, and penstocks for water feed to underground power plants. Large tunnels are also used to ...

Shaft Sinking - McConnell Dowell

open cut mining, shaft sinking and access development, and underground mining projects. Moolmans currently works on a number of projects throughout Africa and has mined a range of commodities for a variety of reputable clients. Moolmans has developed strong brand equity through our strong customer relationships, extensive experience

Using an integrated model for shaft sinking method selection

Dec 01, 2011 · Shafts have critical importance in deep mines and underground constructions. There are several traditional and mechanized methods for shaft sinking operations.

Using an integrated model for shaft sinking method selection

Using an integrated model for shaft sinking method selection. Download. Related Papers. The Formulation of Organizational Strategies through Integration of Freeman Model, SWOT, and Fuzzy MCDM Methods: A Case Study of Oil Industry.

Theory I Sub: - Underground Coal Mining Chapter Shaft

Shaft sinking is costly operation. The mining companies pay to the shaft sinking contractors amounts varying from Rs. 50,000/- to Rs. 75,000/- per meter of overall depth of the shaft sunk and this amount includes sinking, lining with concrete, head gear, winding engine, compressors

Guidance Note QGN 30

The aim is to sink the shaft to a depth where it is possible to install the shaft sinking stage. There should also be enough room for firing to take place in the shaft without damaging the shaft sinking stage. It is carried out utilising a slewing crane or slewing headframe, kibble and a mucking system using traditional shaft sinking cycles ...

Lecture 12. Shaft Sinking.pptx - MI 320 MINE DEVELOPMENT ...

•The possibility of increasing the capacity of the shaft in the future should be considered. • In some cases the cost of the shaft is a limiting factor. However, considerable time is required for sinking a shaft and there are no returns from the mine until the shaft is in operation. • For this reason, a shaft should be sunk as quickly as possible even though the method used is more ...

Raise the Bar - Mining Contractors and Engineers

RAIS BORING & SHAFT SINKING R aise boring is an important method of shaft excavation in the mining industry. It involves driving a vertical or near-vertical hole without explosives between an underground mine and the surface, or between two levels of a mine. It has a number of advantages over other methods, such as shaft sinking,

Hard Rock Miner's Handbook

Mining Methods . Mine Layout . Environmental Engineering . Feasibility Studies . Mineral Economics . Cost Estimating . Shaft Design . Shaft Sinking . Lateral Development and Ramps . Collars and Portals . Drum Hoists . Koepe / Friction Hoists . Wire Ropes, Sheaves, and Conveyances . Headframes and Bins . Conveyors and Feeders . Ventilation and ...

TUNNELS, SHAFT AND DEVELOPMENT HEADINGS BLAST

mines development headings provide; mine access for men and materials, ore and waste hoisting, and ventilation paths. Shafts are also used in civil construction projects. In hydroelectric projects, shafts and tunnels are used to build spillways around dams, and penstocks for water feed to underground power plants. Large tunnels are also used to ...

7 Different Types of Mining Processes – NewsMag Online

Mar 12, 2020 · 3. Shaft mining. Also called shaft sinking, this method consists of any underground mining method that uses a tunnel that heads straight down to wherever the ore is located. The shaft may be an exact vertical or a near vertical drop into the mine, and an elevator or lift is installed to bring workers into and out of the mine.

Ali Lashgari, Ph.D. - Staff Consultant - John T. Boyd ...

A. Yazdani-Chamzini, A. Lashgari and M.H. Basiri, 2010, Shaft sinking method selection for Tabas Underground mine using MADM techniques. International Congress of Applied Geology, Iran.

Structural Design of Frozen Ground Works For Shaft Sinking ...

This method has been used in mining industry over the past 125 years for support of shaft sinking, tunneling and foundation excavation. To run the process brine solution is chilled between -25 o C ...

Lectures on metal mining - SlideShare

Sep 08, 2015 · The major steps for the mine development are: mine access (surface/underground), conveying system (especially in UG mines), backfill requirement, ore haulage, ventilation, Selection of mining equipment and justified against the performance and economy. disposal of tailings generated. 3.

Underground Mining Methods and Equipment

UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Underground Mining Methods and Equipment - S. Okubo and J. Yamatomi ©Encyclopedia of Life Support Systems (EOLSS) Figure 1: Example layout of an underground mine An inclined shaft is excavated for transporta tion of personnel and supplies in addition to a

Using an integrated model for shaft sinking method selection

Therefore, shaft sinking method selection is a multi criteria decision making problem. This paper intends to use the combination of analytical hierarchy process and TOPSIS (Technique for Order Performance by Similarity to Ideal Solution) methods under fuzzy environment in order to select a proper shaft sinking method.

Shaft Sinking for Small-Scale Mining in Africa

The paper looks at the practical aspect of artisanal shaft sinking utilising picks and shovels and contrasts this method to a shaft design suitable for small scale miners. Discussions are the design characteristic of a small scale shaft, shaft sinking and the timbering process, and methods to hoist broken rock from the shaft.

Application of analytical hierarchy process to selection ...

Jul 01, 2014 · This method has been used for a variety of specific application in decision making problem such as equipment selection in open pit mining, selection of optimal reclamation method, rock mass rating, tailing dam site selection, underground mining method selection, selection of optimum mining method, Choosing shaft sinking method, Determining ...

Vertical and Decline Shaft Sinking: Good Practices in ...

Dec 18, 2020 · Shaft sinking for underground transportation purposes is a very complex technological process in mining and geotechnology which requires specific and specially designed technological equipment. This technological process is dealt with for a long time, since mining is one of the oldest industries in the world.This book presents the technical papers that were presented at the International ...

Water Control in Underground Mines – Grouting or Drainage?

Grouting from the bottom of shafts during sinking is a common practice in the industry for overcoming sections with poor ground conditions or excessive ground water inflow. Mine dewatering is the most common method of water control in underground mines. Dewatering methods for underground mines can range from the relatively simple collection of

Minerals industry safety handbook - Part 6

6.3.4 control selection device to be available to authorised ... 6.10.10 shaft-sinking method of firing 25 6.10.11 shaft-sinking stages 25 ... underground mining–shaft equipment.

Shaft Sinking from 2007 to 2020: Mechanical excavation

Apr 29, 2020 · The construction of the Nickel Rim South vent shaft. Mike Dupont/Courtesy of Cementation Canada Inc. The two major developments in shaft sinking between 2007 and 2020 are the successes in mechanical excavation and the number of shafts sunk in China. To have four major mine shafts, over six metres in diameter and over 1,000 metres in depth ...

Optimization of mucking and hoisting ... - MINING REPORT

Ausgabe 01_2015 The mostly applied shaft sinking method is conventional shaft sinking by drilling and blasting. Using this method, almost any shaft geometry is feasible and challenging ground conditions can be sunk through with acceptable sinking performances. Particularly mucking and hoisting operations of the sinking cycle have a relevant impact on sinking performance and offer ...

SYLLABUS (Section-'B') Diploma in Mining

Mining Technology : A Site selection techniques. Modes of entry to underground mines, shaft sinking methods and techniques. Drilling techniques. Explosives used in mines. Detonators, Blasting Practices in underground and opencast mines. Blasting equipments and accessories. Precautions in

Abdolreza Yazdani-Chamzini | Tarbiat Modares University ...

Shaft sinking method selection for Tabas Underground Mine using MADM techniques more. ... The largest and most important hazards of working underground mine can be related to health, safety and environmental, because if one of these sectors be in hazard, maybe lead to close mine. Failure mode and effects analysis (FMEA) is a widely used quality ...

Underground Mine Development - MINING.COM

Dec 01, 2011 · The shaft will be serviced by a 65 t payload cage and counterweight by means of a Koepe winder, which will allow Sasol Mining to lower its continuous mining equipment into the underground workings.

Edumine | Underground Mining Methods and Equipment

Oct 15, 2019 · Underground Mining Methods and Equipment is intended as both a course and a technical reference for an audience of engineers, operators, contractors, consultants, regulators, practising geoscientists and students in the mining sector. The course provides a comprehensive introduction and reference for those who require a solid grounding in selection, design and

Shaft Sinking and Ramp Excavation

Mar 17, 2018 · A total of six basic cost estimates are produced for sinking a 4.5 m (14.75 ft) diameter shaft to a depth of 240 m (787 ft). The estimation of the shaft construction including ground support, water control, and utilities are broken down into 70 m (230 ft) increments so that comparisons with the decline can be made on equal vertical increments.

Kencana Underground Mine Indonesia - Byrnecut

Byrnecut’s scope of works included portal construction, decline and lateral development, shaft sinking, production drilling, charging, and haulage. We also undertook the maintenance of the mining fleet. The mining method was predominately underhand cut and fill