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  • (PDF) Mining Methods-Part II: Surface Mining-Planning and ...

    Mining Methods-Part II: Surface Mining-Planning and Design of Open Pit Mining Presentation (PDF Available) March 2010 with 19,637 Reads How we measure 'reads'

  • DESIGN OF STABLE SLOPE FOR OPENCAST MINES

    Slope stability analysis forms an integral part of the opencast mining operations during the life cycle of the project. In Indian mining conditions, slope design guidelines are yet to be formulated for different types of mining practices and there is a growing need to

  • (PDF) SAFETY IN SURFACE MINING - ResearchGate

    Coal and nonmetal mining used about 4.3 billion pounds of explosives and blasting agents during 2001 in the United States. A major part of this consumption was related to surface mining.

  • (PDF) Evaluation of open pit mine slope stability analysis

    Evaluation of Open Pit Mine Slope Stability An alysis International Journal of Earth Sciences and Engi neering ISSN 0974-5904, Vol. 0 4, No. 04, August 2011, pp. 590-600

  • (PDF) Mining Methods: Part I-Surface mining

    A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

  • Design of Stable Concave Slopes for Reduced Sediment ...

    Technical Forum – Advances In Geomorphic Reclamation At Coal Mine – Albuquerque, Nm – May 20-22, 2014 . uncertainty with model outputs in order to improve selection and design of erosion BMPs on surface coal mining sites. Superior Mechanical Stability and Erosional Resistance of Concave Slopes relative to Planar Slopes

  • Figure 1. Map of 33 fatalities occurring from surface

    Office of Mine Safety and Health Research in Spokane, Washington has initiated a research program with the goal of reducing the number of injuries and fatalities resulting from slope failures at mines. There are several ways to reduce the chances of surface ground control failures: 1) safe geotechnical designs; 2) secondary supports or

  • 文件大小: 341KB
  • Guidelines MDG 28: Safety requirements for coal stockpiles ...

    MDG 28 : Safety requirements for coal stockpiles and reclaim tunnels . 1.4 Definitions . 1.4.1 Bridging A condition in which the hole above a draw down point for an operating feeder does not manifest at the surface of the coal stockpile. It is also known as doming, voiding and cohesive arches. 1.4.2 Coal placement structures

  • Design of Surface Mine Haulage Roads - A Manual

    Design of Surface Mine Haulage Roads – A Manual By Walter W. Kaufman and James C. Ault ABSTRACT This Bureau of Mines manual for design of surface mine haulage roads covers such aspects of haulage road design as road alignment (both vertical and horizontal), construction materials, cross slope, and drainage provisions.

  • 文件大小: 701KB
  • Technology Data Sheet Mine Dewatering - Groundwater Eng

    Technology Data Sheet Mine Dewatering Groundwater is a common problem when mining, and developing a mine below groundwater level presents many challenges. Poorly controlled groundwater will have negative impacts on the safety, efficiency and economics of mining operations.

  • 文件大小: 536KB
  • Analysis of Safety Aspects And Mining Practices For ...

    surface mines, coal and non-metal, increased to an alarming ... relationships between the slope design and structural geological factors. The geological parameters that are most relevant to rock ... Analysis of Safety Aspects And Mining Practices For Effective Ground Control in Surface Mining ...

  • Design of open pit coal mine slopes: An integrated ...

    Apr 25, 2007  ABSTRACT Many of the coal deposits of Western Canada exhibit intensely folded and/or faulted strata. Geological evaluation of such deposits is often difficult and uncertain, and interpretations are subject to significant modifications throughout the exploration, development and mining phases. Design and excavation of open pit slopes under such conditions can present a variety of operational ...

  • Jami M. Girard , P.E., C.M.S.P. Mining Engineer, National ...

    resulting from ground instability at surface mines. SAND GRAVEL STONE COAL M E T A L Figure 2. Percent distribution of 34 fatalities from 1995 through the 2nd quarter of 2001 at surface operations (grouped by commodity). patterns, or seismic shock. Unanticipated There are several ways to reduce the hazards associated with slope failures: 1) safe

  • v115n11a10 A proposed approach for modelling ...

    Mines are the only source of coal. Coal can be mined either by surface or underground mining methods the choice of which depends on both technical and economic evaluation results. Generally, a near-surface coal deposit is mined using surface mining methods, and a deep deposit by underground methods. Mining of coal begins once the mineable

  • Slope Design and Implementation in Open Pit Mines ...

    Keywords: slope stability, slope design, engineering geology, fault, open pit mines, SOMAIR uranium mine, OCP phosphate mine 1. Introduction Slopes of mines and quarries, some of which may reach several hundred meters deep, must be regarded as "geotechnical works" in the sense that we speak of mine works or civil engineering works.

  • Mining Engineering < Colorado School of Mines

    MNGN316. COAL MINING METHODS. 3.0 Semester Hrs. (II) (WI) Devoted to surface and underground coal mining methods and design. The surface mining portion emphasizes area-mining methods, including pertinent design-related regulations, and overburden removal systems. Pit layout, sequencing, overburden equipment selection and cost estimation are ...

  • Analysis and design of slopes for Rajo Sur, an open pit ...

    a clear example of open pit mining in difficult ground conditions. The following sections in this paper describe main aspects of the various studies carried out for evaluating the feasibility of constructing the Rajo Sur open pit. Analysis and design of slopes for Rajo Sur, an open pit mine next to the subsidence crater of El Teniente mine in Chile

  • Design of openpit mining - LinkedIn SlideShare

    Mar 13, 2012  E. Pit design E Contd.In general for OC mines upto a depth of 200m, overall slope angle of 450 ispermitted. ISN 18. E Contd.E. Pit designFor deeper mines flatter highwall slopes will be necessary from safety point ofview (for 35 T dumpers above) ISN 19. E.

  • (PDF) Optimum design of open pit mines - ResearchGate

    Optimum design of open pit mines Article (PDF Available) in Bulletin of the Australian Mathematical Society 43(02):349 - 350 April 1991 with 5,078 Reads How we measure 'reads'

  • Stability Analysis and Design of Open- Pit Mine Slope in ...

    Stability Analysis and Design of Open-Pit Mine Slope in China: A review . Zhiqiang Yang 1, 2, Qian Gao 1, Mao-hui Li 1, Guangcun Zhang 1 1. Key Laboratory of High Efficient Mining and Safety of Metal Mine Ministry of Education, University of Science and Technology Beijing, 100083,Beijing China . 2.

  • SLOPE AND SHAFT SINKING PLANS - arlweb.msha.gov

    8) bottom station and mine development 4. The surface elevation, depth, and ons of the slope or shaft 5. The name, location and elevation of the coal seam(s) 6. The general characteristics of the strata through which the slope or shaft will be developed: a) core log b) approximate location of water table c) other coal seams/vein 7.

  • Map Showing Underground Coal Mines in Greene ... - Indiana

    Map Showing Underground Coal Mines in Greene County, Indiana T h i sm ap ow t el c nf u drg c o al m i nes dtrG C u y, I . Updated mine maps are collected annually from the Indiana Department of Natural Resources, Division of Reclamation and the Indiana Bureau of Mines

  • Open-Pit Mine Planning and Design

    of open pit mine design and the application thereof, whilst having the chance to interact with experts in the field. The course is comprehensive and is based on both the undergraduate and postgraduate Surface Mine Design Engineering courses presented in the Mining Engineering degree programmes at the University of Pretoria.

  • Applications of Ground-Based Radar to Mine Slope

    APPLICATIONS OF GROUND-BASED RADAR TO MINE SLOPE MONITORING Edward L. McHugh,1 Jami Dwyer, 2 David G. Long,3 and Charles Sabine4 ABSTRACT Slope failure accidents were responsible for about 12% of U.S. surface mine fatalities between 1995 and 2003. Small

  • SLOPE AND SHAFT SINKING PLANS - arlweb.msha.gov

    8) bottom station and mine development 4. The surface elevation, depth, and ons of the slope or shaft 5. The name, location and elevation of the coal seam(s) 6. The general characteristics of the strata through which the slope or shaft will be developed: a) core log b) approximate location of water table c) other coal seams/vein 7.

  • Map Showing Underground Coal Mines in Greene ... - Indiana

    Map Showing Underground Coal Mines in Greene County, Indiana T h i sm ap ow t el c nf u drg c o al m i nes dtrG C u y, I . Updated mine maps are collected annually from the Indiana Department of Natural Resources, Division of Reclamation and the Indiana Bureau of Mines

  • Open-Pit Mine Planning and Design

    of open pit mine design and the application thereof, whilst having the chance to interact with experts in the field. The course is comprehensive and is based on both the undergraduate and postgraduate Surface Mine Design Engineering courses presented in the Mining Engineering degree programmes at the University of Pretoria.

  • Applications of Ground-Based Radar to Mine Slope

    APPLICATIONS OF GROUND-BASED RADAR TO MINE SLOPE MONITORING Edward L. McHugh,1 Jami Dwyer, 2 David G. Long,3 and Charles Sabine4 ABSTRACT Slope failure accidents were responsible for about 12% of U.S. surface mine fatalities between 1995 and 2003. Small

  • Surface Mining Methods and Equipment

    UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2. Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs.

  • Slope Mining, Shaft Mining, Drift Mining, Mining ...

    Based on the depth of the coal seam and the surrounding terrain, the decision of what type of mine to construct is decided. More or less all underground mines are not as much of 1,000 feet deep, but some mines reach depths of about 2,000 feet. As a rule, slope mines begin in a valley bottom, and a tunnel slopes down to the coal to be mined.

  • Evaluating SEDCAD Model Performance on Reclaimed

    In the surface coal mining industry, the Sediment, Erosion, Discharge by Computer Aided Design (SEDCAD) program is extensively used for developing engineered plans with best management practices (BMPs) for erosion control [U.S. Department of the Interior (USDOI 2010)]. As required by the Surface Mining Control and Reclamation

  • Open Pit Mine Planning and Design, Third Edition ~ Mining ...

    Open Pit Mine Planning and Design is an excellent textbook for courses in surface mine design, open pit design, geological and excavation engineering, and in advanced open pit mine planning and design. The principles described apply worldwide. In addition, the work can be used as a practical reference by professionals.

  • GEOMORPHIC RECLAMATION OF ABANDONED COAL

    that served the mine, and the relics of the coal camp where as many as 500 miners lived at the height of coal production in the late 1920s. Archaeological features associated with the mine line the hillside behind the coal waste pile, preventing the material from being flattened back into the hillside to achieve stable land slopes.

  • PERMITTING HANDBOOK - West Virginia Department of ...

    The West Virginia Surface Coal Mining and Reclamation Act 22-3 and the West Virginia Surface Mining Reclamation Regulations 38CSR2 are available for you to read or print directly from the Internet. Additional laws and regulations associated to mining and reclamation can be referenced in the Important Links section of the Handbook.

  • OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY AT

    National Institute of Technology Rourkela CERTIFICATE This is to certify that the thesis entitled “OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY AT COAL MINE” Submitted by Sri Sudeep Mahapatro, Roll No. 109MN0590 and Mr. Purna Bahadur Rai, Roll No. 109MN0484 in

  • Study on Stability of Surface Mine Slope Influenced by ...

    As a result, underground mining is often used. The endwalls of surface mines will suffer double disturbance of surface mining and underground mining, with the coal mined by the latter. And it will influence the slope stability, surface mining and transportation safety, bringing a new research topic of surface and underground mining.

  • Slope Construction and Rehabilitation - Cowin Co

    Construction of slopes and tunnels for mining purposes is one of the major sectors of our work. We have constructed many miles of slopes of various sizes both from the surface to underground and underground from location to location. Lengths have varied from a couple of hundred feet to well over a mile. Configurations have been plain unlined for ventilation, with concrete floors for rubber ...

  • NOTICES - Pennsylvania Bulletin

    The authority for bonding coal mining operations is found under The Clean Streams Law (35 P.S. §§ 691.1—691.1001), the Surface Mining Conservation and Reclamation Act (52 P.S. §§ 1396.1—1396.19b), the Coal Refuse Disposal Control Act (52 P.S. §§ 30.51—30.66) and 25 Pa. Code Chapter 86, Subchapter F (relating to bonding and insurance ...

  • Optimization of Blasting Parameters in opencast Mines

    National Institute of Technology Rourkela This is to certify that the thesis entitled “ Optimization of Blasting Parameters in Opencast Mines ” submitted by Sri Manmit Rout (Roll. No.: 10305019) and Sri Chinmay Kumar Parida (Roll. No.: 10305017), in fulfillment of the

  • TABLE OF CONTENTS

    18-2.01 Coal-Mine Subsidence Coal-mine subsidence occurs once the effects of roof collapse in an underground coal mine reaches the surface or reaches structure foundations. Figure 18-2A identifies the counties where coal -mine subsidence is a concern. Effects on the surface include sinkholes, sags , and troughs. This may result

  • MSHA Handbook Series

    This handbook provides guidance for conducting a safety inspection of a mine’s haulage roads. It is intended to serve as an aid to personnel in both Metal and Nonmetal Mine Safety and Health, and Coal Mine Safety and Health. Ad f Robert A. Elam ministrator or Coal Mine Safety and Health Earnest C. Teaster, Jr. Administrator for J.

  • Coal Mining and Production - World Bank Group

    Coal Mining and Production 342 Loads Per Unit of Production* Parameter Surface mining (t/1000t coal produced) Underground mining (t/1000t coal produced) Mining Techniques Contour Area Conventional Longwall Liquid effluents 0.24 1.2 1 1.6 Solid waste 10 10 3 5 Dust 0.1 0.06 0.006 0.01 Source: Based on Edgar, 1983

  • Some Technical Aspects of Open Pit Mine Dewatering

    Drainage Control for Surface Mines 22 Some Technical Aspects of Open Pit Mine Dewatering by V. Straskraba, Senior Mining Hydrogeologist, Dames Moore, Denver, Colorado, USA In recent years the increase in development of new open pit mines, especially in the Western U.S., is evident.

  • SLOPESTABILITY - UniTrento

    Investigation, Research, and Design for Stability in Sur­ face Mining 3. Case Examples of Stability in Surface Mining State of the Art The Role of Slope Stability in the Economics, Design and Oper­ ation of Open Pit Mines-An Update, Michael R. Richings Influence of Rock Structure on Stability, Carl D. Broadbent and Zavis M. Zavodni

  • UNDERGROUND MINE PLANNING AND DESIGN SEMESTER

    division of a coal field into mining areas.Surface layouts, pit bottom layout, transport system. Application of computers in mine planning. 10 Hours MODULE- 3: Underground Coal Mine Design Mining Area, Term of life and mine capacity, division of mining property into

  • Mining - Safety Training PowerPoint Presentations

    Coal Mine Health and Safety Act Signed On December 30, 1969, President Richard Nixon signed into law the Federal Coal Mine Health and Safety Act. Since the Monongah mine disaster in Marion County more than 60 years earlier, Congress had been passing laws to address coal mine safety. However, most were filled with loopholes or lacked funding for ...

  • A geotechnical rationale for the design of South African ...

    rock slope design principles. Open cast mines can be geotechnical classified into two main types: A geotechnical rationale for the design of South African open cast coal mine highwalls by R.J. Butcher* Synopsis Open cast mining has been practiced in South Africa since the late 1970s under near ideal geotechnical conditions. In the past decade,

  • 5,000+ Surface Mining PPTs View free download ...

    This complete mine emergency training program developed by the Division of Mines (DM) was designed to increase the technical knowledge and safety awareness of mining personnel and to provide up-to-date mine emergency training materials and a 90-Day Mine - DM, MSHA, company, and mine rescue officials will need this information to plan rescue efforts.

  • Courses for MSHA and the Mining Industry

    the following areas: (1) developing and teaching courses for MSHA and the mining industry in safety management, accident investigation and report writing, citations and orders, and inspection automation, (2) planning, scheduling, and evaluating Office of the Superintendent Department of Instructional Services Department of Mining Technology

  • MINE PLANNING AND SCHEDULING – SMART PRACTICES – Mining

    Aug 30, 2011  MINE PLANNING AND SCHEDULING - SMART PRACTICES FOR IMPROVING SPEED AND ACCURACY TO ACHIEVE OPERATIONAL EXCELLENCE INTRODUCTION: Strength of a building depends on its strength of its foundation. Same is true for mining as well. As the foundation of all mining activity - a mine plan – most accurately reflects the real-time reality of the

  • APPLICATION guIde bOOk

    impact on productivity and cost per ton in a short-haul coal mine. Let’s assume a mine is operating 785-size trucks, hauling 150 tons of overburden. Reducing the cycle time from 9 minutes down to 8 can increase the number of cycles per hour by 0.8 cycles per hour. This is a difference of 120 tons per hour.

  • Slope stability study for optimum design of an opencast ...

    Slope monitoring did not reveal any movement in and around the pit. Keywords: Rock excavation, Safety analysis, Slope stability, Surface mining Introduction The geotechnical study and slope design was conducted of an open pit copper mine (500 m long, 200 m wide) situated in Rajasthan, India. The ore body is 40 m wide and 313 m long.

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    The materials of processing: *

    • Granite
    • Limestone
    • Basalt
    • Pebble
    • Gravel
    • Gypsum
    • Marble
    • Barite
    • Quartz
    • Dolomite
    • Gold Ore
    • Copper ore
    * *

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