Mine shaft design pdf

Poad united states department of the interior bruce babbitt, secretary bureau of mines rhea lydia graham, director. Inclined shafts or inclined drifts many underground mines use an inclined shaft fo r the transport of pe rsons, materials and equipment to and from the underground. Design and implementation of grouting programs for mine. 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. As the design depends on the construction method, it becomes part of the design process. The shaft house, or as it is known locally, the quincy no.

Abstract the integrated method of grouting of waterbearing rocks work out at pia. A drilled shaft is a deep foundation that is constructed by placing fluid concrete in a drilled hole, typically. Contrarily, if an ore body is very deep, then there is supposed to be a mine shaft. We supply friction hoists as well as drum hoists of various types. Pdf design of lining for a mine shaft and decline using numerical. For abandoned mine shafts, some problems linked to deterioration of the sealing structure at the shaft head, or movement of backfilling material in the shaft have been observed. Matsui encyclopedia of life support systems eolss 2. Design of a hoisting system for a small scale mine. Mine shafts sunk in complex geological conditions e j kipko, j a polozov 349240 pia spetstamponazhgeologia s. Vertical shaft mining many mines use vertical shafts for narrow veins. Shaft the shaft has a diameter of 5 metres and a depth of 1,450 metres.

Shaft sinking and lining design for a deep potash shaft in squeezing ground g. Make a cageslip out of string and construction paper. Conventional mine shaft sinking methods involve the performance of a cycle of different operationsdrilling and blasting, removal of smoke and cleaning of flyrock lodged on overhead timbers, mucking and hoisting of the broken rock, and timbering. Every mine or mining project is different and the information contained herein may not. This listing is for one pdf copy of my original mine shaft a fun and modern quilt pattern. July 1984 design of powertransmitting shafts stuart h. This study is focused on basic design of mine shaft elevator. The design, development and operation of a shaft system is a critically important element in mining, and needs specialised technical input. The role of mine cages in a successful mining operation. A reliable and safe method of shaft monitoring is required. For old mine shafts, galleries may have been closed with remaining items but without particular design. A number of shaftsinking operations are described in detail in the series of information circulars on mining methods and costs, to some of which reference will be made later.

Find bending moments from gears, pulleys, or sprockets that are transmitting loads to or from other devices. Design and construction on site of shaft liner segments for the full depth of the shaft but excluding the shaft bottom profile intake section. Historically, mine dewatering design in southern africa has been achieved when water has become a problem during mining. Affordable and search from millions of royalty free images, photos and vectors. Handbook to best practices for mine shafts protection. Canan ozgen dean, graduate school of natural and applied sciences. Design, excavation and construction of a reinforced concrete shaft collar. The using of elevators is increasing too and this situation encourages contractors to pay. Figure 1 depicts a typical access strategy for platinum mine where the initial orebody is exploited by means of an incline or decline shaft system, and later accessed by.

Shaft mining is a form of underground mining where shafts are pushed vertically from top to bottom to excavate the ores and minerals. Mine shaft freezing pdf gsz page 2 of 9 meshing for ground freezing problems is important as phase change is the source of numerical oscillation. Hoist, small scale mine, design, cost, rope, winder, electric motor 1. On the surface of an underground mine, a collar is required for a shaft or raise entry. Design and construction of hydrostatic mine shaft liners using cast iron tubbing technology konopka subterranean mine shaft design design and construction of.

Designs for coal, gold and diamond open pits are very similar. Shaft sinking and lining design for a deep potash shaft in squeezing ground. Sperry mine shaft design and construction management. These pipes, k1 and k2 have been mined from the open pit since 1992. In most cases such shafts are not easily and safely accessible for surveying and inspection. Shaft mining, mining techniques, underground mining. Design and function design starts with determining the crosssection of the drift, crosscut, ramp or decline. Shafts are designed according to their required purpose and depending on the demands set out. Shaft sink department of natural resources, mines and energy. Blow joes or similartype recirculating devices do not meet this requirement. Because of various causes, for example concrete segregation or poor lining design, a failure of this deep closure structure can occur allowing the filling material to spread into the galleries, resulting in a collapse of the shaft. Modelling and design of a general purpose, vertical shaft. At midshaft there is a maintenance station to simplify the maintenance of the ropes and conveyances.

Ladders 4 during shaft sinking operations, if a permanent ladder is not installed to the. Minto mine underground mine development and operations. It is also common to find mine shaft opened even decades after mining activity. Geomechanical monitoring and modeling using utah3 by w. The venetia mine project has a twin shaft system, together with a decline, followed by access development to two kimberlite pipes. The design of gold mine dewatering systems in southern africa has been heavily influenced by the history of inrushes. The technical literature is replete with descriptions of and data on shaft sinking equipment, methods and costs. For the design of shafts made of metals with low ductility or fracture toughness, it is. The depth of the shaft is determined intrinsically by the mines and works regulations applicable to factors pf safety of winding ropes and the design of the winding.

An integration of modern technologyboth in application and developmenthas resulted in a shaft system that is intrinsically holistic. Mine shaft part 2, mine shaft graphs and answers, more graphs and answers, a final look at graphs and answers, interactive resource 1, mine shaft paths, interactive resource 2, exploring the triangle path and answers, assessment. A shaft is defined as a vertical or inclined permanent opening that gives access and services various levels of a mine. The role of mine cages in a successful mining operation underground mining requires a number of different transportation systems. Pdf design of mine shaft elevator semantic scholar. Newman colorado school of mines august 18, 2008 if you are in a shipwreck and all the boats are gone, a piano topthat comes along makes a fortuitous life preserver. Various design and construction parameters were investigated to deter mine the effect on shaft stability. Rectangular shafts were studied in detail to determine the. Geoslope international ltd, calgary, alberta, canada. This entails establishment of the mine design in physical space and measuring. Make a headframe building at the top of the shaft and place it over the shaft hole. Of the three ventilation methods, splitmine ventilation is the simplest in terms of layout and design, as the mine is split into separate intake and exhaust sides. The palabora underground mining project is a stateoftheart shaft mining system that will prove to be a benchmark in its field for years to come.

Figure 1 depicts a typical access strategy for platinum mine where the initial orebody is exploited by means of an incline or decline shaft system, and later accessed by vertical shafts. Compare combined stresses to suitable allowable stresses. In spite of the fact that the dss performance depends to. However, a central location causes losses of mineable ore in safety pillars of shafts and surface facilities at the mine site. Experience has shown that the consequences of damage to shaft systems caused by geotechnical factors are serious and costly. In poland, the regulation of ministry for economy is applied 2002, which defines the requirements that the shaft anchored lining has to fulfil in the specified conditions. Design methods for the shaft lining and shaft stations can be divided into three main groups, namely. Shaft lining design for a potash shaft in rock salts at depth. Production shaft the production shaft is 1 290 m deep, 7. Section 23tunnel and shaft construction october 2009 235 the tunnel face or shaft bottom during all portions of the excavation cycle.

Mine shaft a quilt pattern by kaye prince of miss print etsy. In this unit, you will learn how a mine is developed for production, how a shaft is sunk. A small building for fans should be made for the top of the ventilation shaft. This paper describes the key geotechnical parameters required for the design of mine shaft linings which are frequently.

After discussing design basic of mine shaft elevators and. The using of elevators is increasing too and this situation encourages contractors to pay attention to vertical transport systems in mine industry. Because of the importance of shaft pillar design to the mining in the second ri of the series part 2. Figure 2 below gives an illustration of the underground excavations required for mining. Aug 29, 2010 for a production shaft, design starts with determining the cross section or plan view of the shaft. Stateofart shaft system as applied to palabora underground. Comparison of designs for the dewatering of coal, gold and. Pdf shaft sinking and lining design for a deep potash. To effectively move miners and their equipment, for example, a dependable mine shaft cage is necessary. In a real mine, the shaft is dug down through solid rock to the drift level and then the drifts are dug horizontally. In poland, the regulation of ministry for economy is applied 2002, which defines the requirements that the shaft anchored lining has to. The shaft is equipped with four skips operated in pairs by two 6. But this is not to say that the best way to design a life preserver is in the form of a. An inspection and surveying system for vertical shafts.

The concept of the vertical opening inspection system vois is very simple, and developed naturally from early crude attempts at shaft inspection which essentially involved deploying cameras into vertical shafts via winch. Shafts are also used in civil construction projects. Deepest mine shaft in the usa complete cementation. Analytical methods are the deterministic solutions of closed form. Work in shaft 3 during shaft sinking operations, no other work shall be performed in a shaft or winze while a worker is working below, unless a welldesigned and constructed cover is provided to protect the worker from the danger of falling materials. Splitmine ventilation is a minewide ventilation method designed to deliver the bulk of the main mine fans airflow to the last open crosscuts near the active working faces. Rock mechanics study of shaft stability and pillar mining. Geotechnical design considerations for mine shafts srk. Rock mechanics study of shaft stability and pillar mining, homestake mine, lead, sd in three parts. This pdf includes the materials list and full instructions with diagrams for making five different sizes of the mine shaft pattern.

A methodology for lining design of circular mine shafts in different rock masses submitted by erdooan guler in partial fulfillment of the requirements for the degree of master of science in mining engineering department, middle east technical university by, prof. As ever more mines turn to shafts to economically exploit deeper reserves, mine owners. Using mine shaft graph, complete the first graph for the square bot together. For a production shaft, design starts with determining the cross section or plan view of the shaft. Usa, the design methodology for shaft lining is based on the mining traditions and experience of those regions. Please see picture three above for the sizes and materials.

Heat or cool the ventilation air as necessary to ensure air temperatures at work sites are between 40. Driefontein gold mine technical short form report driefontein gold mine is a large, wellestablished shallow to ultradeep level gold mine with workings that are accessed through eight shaft systems that mine various gold bearing reefs from open ground and pillars that occur at depths between 600 and 3,300 metres below surface. Minto mine qml0001 underground mine development and operations plan june 2014 1 background this underground mine development and operations plan umdop has been prepared to satisfy the requirements of quartz mining icence qml00l01 for the development and mining of the underground at minto mine, owned by minto explorations ltd. Pdf a chromite ore body located in eastern india is to be extracted by sublevel open stoping method. The vertical opening inspection system vois provides a solution to this problem, incorporating cameras, laser range. It is best suited for concentrated minerals such as iron, coal, etc. The subject of shaft sinking has been discussed at some length in an earlier bureau of mines bulletin. Mine planning and design many of tetra techs senior mining engineers have held senior positions in engineering and operations at the worlds largest mines, where they gained insight into the realities of what makes active producing mines. Structural design considerations for deep mine shafts. Pdf shaft lining design for a potash shaft in rock salts. For the design of shafts made of metals with low ductility or fracture toughness, it is customary to apply theoretical stress concentration. The low rainfall and absence of very high yielding aquifers, has meant that the control of mine water inflows were often accommodated in the runof mine design. Deepest mine shaft in the usa complete may 23, 2016 for immediate release mullan, id cementation usa inc.

The production shaft is designed to the minimum dimensions required to contain and guide the shaft conveyances, as well as provide space to place and access the utility lines. Design methods for shaft concrete lining and shaft stations in many countries there are certain regulations that standardize the mine design. Determine torque in shafts from gears, pulleys, sprockets, clutches, and couplings. Pdf shaft lining design for a potash shaft in rock salts at. Shaft construction metalliferous mines shaft sink engineering and design. Shaft design objectives compute forces acting on shafts from gears, pulleys, and sprockets. Pdf shaft sinking and lining design for a deep potash shaft. Operational infrastructure south deep gold mine operates one gold plant and is accessed from surface through two shaft systems, the twin shaft complex of which the main shaft comprises a singledrop to a depth of 2,995 metres, and the south shaft complex. After discussing design basic of mine shaft elevators and criticizing advantages and disadvantages of them, mine case study will be illustrated. Tunnels, shaft and development headings blast design introduction tunnels, shafts, and raises are developed for a variety of purposes. Criteria for shaft design are described and methods of design developed. Make a smaller ventilation shaft in your mine by repeating step 6 on the right end of the drift. May 23, 2016 deepest mine shaft in the usa complete may 23, 2016 for immediate release mullan, id cementation usa inc.