Study on Web Pillar Stability in Open-Pit Highwall …
In the highwall mining process, web pillars are set up between the chambers to support the overlying strata and prevent landslides, burial of equipment, and other disasters.
India operation gets first highwall miner
HIGHWALL mining machine producer ICG Addcar has completed production on and shipped the first-ever highwall miner to be delivered to India. DIGITAL MAGAZINE; ... "We look forward to getting the bits in the coal in India and for highwall mining to become an integral part of the Indian coal mining industry," AMT managing director NVS Rao said.
S Srinivasa Rao
Manager- Highwall Mining Project · Result driven professional with 19+ years of experience responsible for people development, project management, maintenance, servicing and repair of HEMM machines, maintaining high availability rate whilst ensuring highest standards of safety and quality.,<br><br>I spent in different projects like ''Strategic crud oil storage …
COAL MINING IN INDIA: TECHNOLOGY, CHALLENGES …
COAL MINING IN INDIA: TECHNOLOGY, CHALLENGES AND WAY FORWARD *B. P. Singh Abstract ... 3.0 High Wall Mining (HWM) The mines are being planned by opencast methods from existing 150- 250m to 450-500 m depth from surface at stripping ratio ranging from 1 in 4 to 1 in 15. The over burden dumps of heights ranging from 60 to 400m with
Highwall Mining in India
Highwall mining is a proven technology in USA and Australia to extract the blocked coal in thin non-workable seams and the coal blocked in the highwall of opencast mines. In USA, highwall mining contributes about 4.0 % share of total coal production. In India, the highwall mining is in the nascent stage.
HIGHWALL MINING AT AMALGAMATED BLOCK II OCP, …
3.3 Highwall Mining enables safe recovery of coal without damaging surface and surface infrastructures. 3.4 Considerable amount of Washery V grade coal may be extracted by proposed Highwall Mining which will in turn enhance the production schedule of BCCL resulting a considerable amount of profit. ...
Study on Web Pillar Stability in Open-Pit Highwall …
The highwall miner has been implemented as a new open-pit highwall mining technology that combines the advantages of open-pit mining and underground mining to achieve highwall mining in soft and thick coal seams. The mining and transporting process is fully automatic and remotely controlled, i.e. carrying out unmanned
The High-Wall Mining Process: A Comprehensive Overview
This blog explores the process of high-wall mining, its equipment, safety measures, advantages, and future developments. What is High-Wall Mining? High-wall mining is a hybrid mining method used when surface mining reaches its economic or technical limits. It involves mining coal seams from the exposed surface of an open-pit mine, extending ...
Highwall Mining in India
Highwall mining an extension to open cut mining, commonly use auger and continuous highwall mining system. Rock properties and structural geology of rock are the vital parameters for designing highwall mining. The limitations of basic equations/models developed for computing web and barrier pillar strength, geological conditions and improper execution of …
(PDF) Extraction design of highwall mining in India to …
Using the EBH132 cantilever excavator for remote control mining, the field experiment shows that the recovery ratio of highwall residual coal resources was over 67%; hence, safety, efficiency and ...
ECL commissions first highwall mining project
The project is expected to increase ECL's production by 0.5 million tonnes per year, the Coal India subsidiary said. Highwall mining is a method to extract additional coal after the economic strip ...
COAL MINING IN INDIA: TECHNOLOGY, CHALLENGES …
3.0 High Wall Mining (HWM) The mines are being planned by opencast methods from existing 150- 250m to 450-500 m depth from surface at stripping ratio ranging from 1 in 4 to 1 in 15.
Highwall Mining in India – Part 1: Design Methodology …
The process of multiple seam Highwall Mining will mandatorily result in partial filling of the open pit by the end of all operations, resulting in covering of exposed coal seams in an abandoned ...
EIACP (PC-RP) on Environmental Problems of Mining
A new hybrid empirical and numerical modelling approach has been devised to design web pillars for the initial Highwall Mining sites in India, considering the complex …
Highwall Mining: Applicability, Design & Safety
which needs to be assessed for any interaction duri ng actual extraction process. ... Prakash, A., & Jhanwar, J.C. Extraction design of locked-up coal by highwall mining in India, Proc. Of 23 rd ...
Review of Existing Literature of Highwall Mining …
Highwall mining is a relatively new semi-surface and semi-underground coal mining method used to extract such remaining coal reserves after the economic threshold imposed by the stripping ratio...
coal mining: Why India needs to focus on unlocking …
India has huge untapped potential for UG mining, with extractable reserves beyond 300 m depth. ... In an ongoing process, 50 high wall machines will be deployed in OC mines by FY28 with a projected production potential of 25 million tonnes/year. High wall as a green mining coal extraction method circumvents land acquisition and R&R issues.
Highwall mining, a new approach in india revised | PDF
Director of Mines Safety, Bilaspur Region 07898033693, 08982493361 tikeshwarmahto@gmail HIGHWALL MINING – A NEW APPROACH IN INDIA : - A Case study Worldwide, there are two main High wall mining Technology being in operation in the business of High wall Mining. In India, both technologies are in operation by the different …
Critical Review of Current Literature on Highwall Mining
In India, highwall mining is in the nascent stage. So far only three highwall mining are being worked; one by Singreni Collieries Company Ltd. at RG II opencast project, a second by South Eastern ...
Empirical Approaches for Design of Web Pillars in …
In India, the first highwall mining operation started in 2010 and is recently completed successfully in Opencast Project (OCP-II) at Ramagundem of Singareni Collieries Company ... pillar strength is the first step of the design process and web pillar design is considered as the backbone of highwall mine design. These three equations are
Longwall mining in India
Of India's 204.65 billion tonne coal reserves, around 20% is amenable to open-cast mining. In a technical paper, Dr SK Das, associate professor at the Department of Mining Engineering, Indian Institute of Technology Kharagpur, described longwall mining in India. The first mechanised powered supports were introduced in 1978 at the Moondih mine.
Feasibility Evaluation of Highwall Mining in Open …
Highwall mining is a method that involves using a continuous highwall miner system (CHM) to extract coal from the remaining coal seams, which has proven to be an effective and safe method for extracting coal after …
Stability Analysis of Multi-Layer Highwall Mining: A …
Open-pit mining is a common method for extracting coal, but considerable resources are often left unrecovered at the bottom of end-slopes, leading to a permanent waste of resources. This research presents a sustainable approach of multi-layer highwall mining at different levels to address the issue of abundant resources left unrecovered at the bottom of …
Review of Existing Literature of Highwall Mining …
In India, highwall mining is in the nascent stage. So far only three highwall mining are being worked; one by Singreni Collieries Company Ltd. at RG II opencast project, a second by South Eastern ...
Highwall Mining in India
The future of highwall mining in India is keyed to the success of these projects. This paper gives an overview of the highwall mining technology deployed at Sharda opencast mine where two …
Indian case studies | 4 | Highwall Mining | John Loui …
Highwall mining is seen as a promising method in India to extend the life of open pit coal mines by extracting locked-up coal from multiple seams exposed at the ... Chapter. Chapter. Indian case studies . DOI link for Indian case studies. Indian case studies. By John Loui Porathur, Pijush Pal Roy, Baotang Shen, Shivakumar Karekal. Book Highwall ...
GAINWELL IN NEWS
India and select overseas markets including China. Gainwell then invested in a new assembly shop in Asansol, near Kolkata in West Bengal in the heart of India's coal mining belt, and made the first machine in 2019. The two existing highwall miners in India had been supplied as follows: one by Bucyrus (SHM unit) in
Empirical Approaches for Design of Web Pillars in Highwall Mining
In India, the first highwall mining operation started in 2010 and is recently completed successfully in Opencast Project (OCP-II) at Ramagundem of Singareni Collieries Company Limited (SCCL). In fact, it was Asia's first continuous highwall mining experience. ... It has now become a part of most pillar design process. Thus in this study ...
Highwall Mining in the Heart of Appalachia
Highwall mining, however, presents some unique opportunities. By working "pre-law walls" or contour mines abandoned prior to the enactment of the 1977 Surface Mine Control and Reclamation Act, highwall mining operations …
Case Study on Stability Analysis of Highwall Mining in …
The high wall mining system is capable of handling coal seam thickness from 26 to 16 ft with a dip up to 160. Low mining cost. Low labour requirement. Roof bolting & ventilation system not required for High Wall Mining. II. METHODOLOGY There are two methods required for analyzing the Factor of Safety of High Wall Mining. First is the