bord and pillar mining equipment

This paper deals with the use of continuous miner and its success in bord & pillar method of underground coal mining. Discover the world's research 20+ million members

This is to certify that the thesis entitled, ―Design of support system for bord and pillar workings‖ submitted by Mr. Manoj Kumar Biswal in partial fulfillment of the requirement for the award of Bachelor of Technology Degree in Mining Engineering at the National Institute of Technology, Rourkela (Deemed University) is an

@misc{etde_288730, title = {Developments in continuous miner equipment in bord and pillar system worldwide} author = {Trehan, K B, and Pickup, S D} abstractNote = {This paper firstly examines the development of mechanised room and pillar mining and the main factors that have enabled improvement in production and productivity and, where further gains may be sought in …

Underground Mining Project Equipment Selection Model B. K. Samanta, B.Tech (Hons), MMCC, MMGI, MIMMA, FIE, MCSI, MNIPM ... Bord and Pillar System also called Pillar and Stall method is widely practiced in India. The percentage of extraction, during development is below 30% and

Aug 27, 2021Monitoring equipment for damage and potential flaws is vital Mining equipment is under constant operational stress due to the harsh working environments present in mines and quarries and the weight of the materials involved. bord-and-pillar mining methods are employed. As a blasting and explosives leader in the opencast mining ...

Bord-and-pillar mining is used in first workings of a deposit, and when irregularly shaped deposits, or sensitive environmental conditions, call for a …

Bord-and-pillar mining is used in first workings of a deposit, and when irregularly shaped deposits, or sensitive environmental conditions, call for a lighter touch. This method is used at ...

There wasn't a lot of bord and pillar work in the UK coal mining industry Lannie, mostly longwalls, I dare say the majority of fellers on this site have only been in longwall mining. My first bord and pillar mine was in gypsum, where we drilled the faces with twin boom Secoma rigs and fired down on the solid.

This underground fire often results in evacuation of mine personnel, loss of expensive equipment and may even claim lives of mine workers. This work focuses on deriving the contour of fire occurring in an underground bord-and-Pillar coal mine panel. In such applications, network nodes sense the information and transmit it to a controller, where ...

Ensham proposes to increase the life of the existing underground operations by extending the underground bord and pillar mine into an area identified as the Project Site which includes zones 1, 2 and 3 (Figure below). The Project would be located in the western part of the central Bowen Basin approximately 200 kilometres west of Rockhampton and ...

Bord and Pillar method: Schemes of development; design of bord and pillar working; statutory provisions; selection of equipment for development -mechanised loaders, continuous miners etc.preparatory arrangement for depillaring; statutory provision for depillaring;designing the system of pillar extraction with caving and stowing; mechanisation in depillaring operation, …

Equipment 0 Comment In underground mining, first and foremost in the modernization process are the machines that extract coal: primarily the continuous and longwall miners. First introduced in the late 1940's, continuous miners provided a quantum leap …

mining and its development correlate closely with cultural progress. Mining processes involve prospecting for ore bodies, analysis of the profit potential of a proposed mine, extraction of the desired materials. One of such methods is the Bord and Pillar method of mining. Bord and Pillar method of mining is one of the oldest methods of mining.

different mining companies and mining operations from Southern Africa shared the details of how they organize their individual mining operations and what productivity they obtained from the mechanized equipment. There were also presentations on the history and on the future potential of hard-rock mechanized room and pillar mining in Southern ...

Longwall Mining (41) Overview (6) Equipment (17) Shearer (8) Powered Supports (3) Ventilation (3) Change Out (7) Ground Control (8) Bord & Pillar (15) Method (7) Traditional Pillar Extraction (2) Panel & Pillar Extraction (2) Modern Pillar Extraction (2) Equipment (5) Ground Control (1) Ventilation (2) Rock Bolting (20) Overview (2) Types of ...

The LP equipment was used for bord and pillar mining, and over the course of the past 15 years there have been significant improvements in both production and safety, with the average monthly production per crew currently being approximately 2400 m2. Due to the historically high capital costs of the XLP

Bord-and-pillar; Summary: Due to the nature of the Merensky reef ore body, the Styldrift I shaft is designed to optimally extract the reef by two different mining methods. These consist of bord and pillar mining by means of trackless mechanised equipment for the flat dipping, stable, wide mineralised areas and conventional scattered breast ...

Mastermyne will provide underground mining equipment from its current fleet, including three bord & pillar miners, multi bolters and shuttle cars along with a range of ancillary production equipment to support the operation. The contract is expected to deliver on average A$80-100 million of revenue per year once in full production, Mastermyne says.

Room and pillar is an underground mining method that has applications to a wide variety of hard-rock deposits worldwide. It is commonly classified as an open-stoping method, meaning that development involves …

The amended mine plan for Tahmoor South is essentially an extension of existing workings, without which the Tahmoor mine will have largely extracted its current resources. The amended mine plan is different to theoriginal EIS mine plan which proposed wider panels and higher extraction and would have required additional or replacement LW equipment.

Bord and pillar mining The following methods are commonly used in bord and pillar method for development and depillaring using continuous miner: Development 1. Bord and pillar method Depillaring 1. Split and Fender system 2. Nevid method of mining Continuous miner A continuous miner is a large steel drum equipped with a

Multiseam mining has been carried out at many collieries in South Africa. If the seams are in close proximity difficult and dangerous mining conditions may arise. In the Witbank area multiseam bord and pillar mining has been carried out, while in Natal where the seams are thinner and of a higher quality, total extraction methods are common.

Applicability of bord and pillar mining method Following points should be considered for b/p mining Gradient of the seam: Flat seams are more suitable. Thickness of the seam: Seam thicker than 1.5 m and preferably 1.8-3 m thick are suitable for b/p mining method. Presence of stone and dirt bands: Seam should be free from stone and dirt bands.

1 Coal Mining - basics Coal Mining Methods Underground Bord & Pillar Longwall Surface Open Cut Strip Open Pit Highwall Auger Continuous Highwall Miner Punch Bord & Pillar Continuous Miner & shuttle cars or continuous haulage Highly flexible, high cost – can handle geological variability 1.5-3m per pass, but can take up to 3 passes in good

• Bord and pillar (1.8 m–2.2 m stope widths using low-profile (LP) mechanized equipment) • Breast mining (1.3 m stope width using extra-low profile (XLP) mechanized equipment) A graphical representation of the bord and pillar and mechanized breast mining methods is shown in Figure 1 and Figure 2. It is important to note that the ...

bord and pillar mining equipment; Optimization of Continuous Miner Operations in Bord . Bord and pillar mining The following methods are commonly used in bord and pillar method for development and depillaring using continuous miner: Development 1 Bord and pillar method Depillaring 1 Split and Fender system 2 Nevid method of mining Continuous miner A continuous miner is a large …