bord and pillar mine

Request a quotation

Simply complete the form below, click submit, you will get the price list and a GM representative will contact you within one business day. Please also feel free to contact us by email or phone. ( * Denotes a required field).

Academics in Bord and Pillar Mining Technology - Academia.edu

View Academics in Bord and Pillar Mining Technology on Academia.edu.

Get Price

A case study illustration of the layout and support in an ...

The mine there is being worked by Bord and Pillar method in which continuous miners are being used as the main equipment for extracting coal. The Pillar size which is being kept for support of the overburden pressure is 35 m x 35 m, 40 m x 40 m and 40 m x 35 m. The depth of cover above the seam varies between 220 m to 400 m.

Get Price

Bord and Pillar mining by continuous Miner in HINDI - YouTube

Jul 29, 2016· Bord and pillar is an underground mining method for extracting coal from belowground of earth. Various machinery combinations are used for extracting. One of the combination is the continuous ...

Get Price

BORD AND PILLAR METHOD.pptx - Under Ground Mining …

View Test Prep - BORD AND PILLAR METHOD.pptx from ENG 286 at Davidson College. Under Ground Mining Board and Pillar Method Branch : Mining and Min Surveying Engg. Presentation By : …

Get Price

Room and Pillar Mining | Safe & Efficient | Sunrise Coal

Room and Pillar Mining is Safe, Efficient & Environmentally Friendly. Room and pillar mining is a non-subsidence plan for a mine, preserving the precious farmland above.It is among the safest and one of the most ecologically-friendly approaches to mining coal today, creating a non-subsidence environment (no movement of land) and maintaining clean water standards.

Get Price

DESIGN OF SUPPORT SYSTEM IN BORD AND PILLAR MINE

Dec 05, 2016· DESIGN OF SUPPORT SYSTEM IN BORD AND PILLAR MINE 1. DESIGN OF SUPPORT SYSTEM IN BORD AND PILLAR MINE A Project Report Submitted in partial fulfilment of requirements for award of dual degree of Bachelor of Technology and Master of Technology in Mining Engineering By Anurag kumar jha Exam Roll no.-511214025 SESSION 2016-2017 DEPARTMENT OF MINING …

Get Price

Kajora Area - Wikipedia

The mine is degree-II gassy mine. As of 2015–16, the Real Kajora (5&6 pit) unit was working Sonachora (R-VIIIB) seam by manual bord and pillar mining method. Depillaring with stowing is going on. The 7&8 pit unit was also working Sonachora seam (R-VIIIB) by semi-mechanized bord and pillar method with SDL. Only development work was going on.

Get Price

Subsidence from Underground Mining: Environmental …

efficient than room-and-pillar mining, it is being promoted increasingly in the United States. Also, longwall mining induces a generally uniform and contemporaneous surface subsidence that can be Technical terms used herein are defined in the glossary, p. 25. more accurately forecast than subsidence caused by room-and-pillar mining.

Get Price

MINING METHODS T - cmpdi

Conventional bord and pillar mining in thick seams is associated with very low percentage of extraction [around 30% in a panel] even under favourable conditions. Extensive development of pillars carried out earlier in thick seams had also resulted in large reserves of good quality coal locked up in developed bord and pillar workings [over 2,500

Get Price

Case studies of tendon support design in Bord and Pillar ...

Southern African underground Platinum and Chrome Mines exploit the tabular platinum-and chrome-bearing orebodies using either conventional mining methods making use of jackhammers and air legs, mechanized bord/room and pillar mining layouts or a

Get Price

Underground mining of thick coal seams - ScienceDirect

Singh R, Kumar R. Pillar stability during underground mining of the complete thickness of a thick coal seam in a single lift – Indian experiences. In: Proceedings of the 1st Canada – US rock mechanics symposium, Vancouver; 2007. p. 1463–68.

Get Price

PPT – Coal Mining PowerPoint presentation | free to ...

Coal Mining Global Market Report 2018 (1) - Asia Pacific was the largest geographic region accounting for $506 billion or 71% of the global market. China was the largest country accounting for $378.5 billion or 53.1% of the global coal mining market.

Get Price

Definition of bord-and-pillar method - Mindat.org

The term bord-and-pillar is not used to any great extent in American mining literature, but has a place in English literature. Various names have been applied to this method, such as checkerboard system, Brown panel system, following up the whole with the broken, Lancashire bord-and-pillar system, modified room-and-pillar working, narrow ...

Get Price

Cutting and bolting tools - Mining and Rock Technology

offers a wide range of extremely productive and reliable continuous miner cutting tools for bord and pillar mining. Cutting tools for roadheaders and miners has a wide selection of highly productive conical mining tools for roadway development …

Get Price

bord and pillar mining method

bord and pillar mining - BINQ Mining. Rank Level: 4.8/5 · 1,179 . mining bord and pillar mine Information & Research. Bringing you the latest news, research, information and search results on mining bord and pillar mine & the global ...

Get Price

Bord & Pillar Method | Mining | Coal

After the headings reach a certain line or boundary or after complete development of the mine leasehold, coal pillars formed are extracted for complete removal of coal. This stage of extraction of coal from the pillars or reduction of coal pillars is known as depillaring. Basic parameters of bord and pillar mining system 1. Gallery (bord) 2 ...

Get Price

Mining | Maloma - Maloma| Coal Mining Services

Mining. The mine conducts conventional mining which comprises of bord and pillar mining, trackless mining with diesel load haul dumpers and, hand and air drilling for coal and jackhammers for stone development. Driving the current mine operations are 2 production sections and 2 development sections.

Get Price

(PDF) Pillar design in coal mines - ResearchGate

The paper points out that bord-and-pillar mining is the most important method of coal extraction in South African underground coal mines, and advocates that pillar design procedures should be ...

Get Price

Evaluation of Bord And Pillar mine Working in MCL Mines ...

EVALUATION OF BORD AND PILLAR MINING SYSTEM IN MCL COAL MINES A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Bachelor of Technology In Mining Engineering By RAM CHANDRA NAYAK & SANGRAM KESHARI DALAI Under the Guidance of Dr. MANOJ KUMAR MISHRA Department of Mining Engineering National Institute of …

Get Price

Research Report on the Coal Pillar Recovery under Deep …

RESEARCH REPORT ON THE COAL PILLAR RECOVERY UNDER DEEP COVER Office of Mine Safety and Health Research National Institute for Occupational Safety and Health ... should examine the safety implications of retreat room-and-pillar mining practices, with emphasis on the impact of full or partial pillar extraction mining.

Get Price

Mining Funda: Bord and Pillar method of Mining

Nov 21, 2019· The bord and pillar mining can be done in three ways, namely:-Develop the entire area into pillars and then extract the pillars starting from the boundary. Develop the area into panels and extract pillars subsequently panel-wise. This is called as panel system of mining.

Get Price

UNDERGROUND COAL MINING: FACTORS, COST, AND …

• Size of entries and cross-cuts vary from mine to mine – determined by size of equipment employed – thickness of overburden – coal seam thickness – ground control – surface protection requirements • Entry and cross-cut widths generally range from 15 to 25 feet • Pillar …

Get Price