shaft sinking termed

  • Shaft Sinking and Lining Design for a Deep Potash Shaft in ...

    Shaft sinking and lining design for a deep potash shaft in squeezing ground G. du T. Judeel Mining & Engineering T echnical Services, Shaft Sinkers (Pty) Ltd, on, South Africa

  • Vertical Shaft Sinking Machine (VSM) – Herrenknecht AG

    Vertical Shaft Sinking Machines (VSM) in operation. For quick and reliable construction of vertical shafts, Herrenknecht developed its VSM (Vertical Shaft Sinking Machine) technology, today an established product on the market. This unique mechanized shaft sinking equipment shows its strengths particularly below groundwater.

  • Shaft Mining, Mining Techniques, Underground Mining ...

    Shaft Mining. Shaft mining is a form of underground mining where shafts are pushed vertically from top to bottom to excavate the ores and minerals. It is also called shaft sinking. It is best suited for concentrated minerals such as iron, coal, etc. which can be found at the depth of the earth's surface. It is found mostly all over the world.

  • What is Shaft Mining? (with picture)

    Aug 10, 2019 · Shaft mining—also referred to as shaft sinking—is a type of mining process used to vertically gain access to an underground mining facility. There are many different components which make up the shaft, all of which play a very important role in the mining process.

  • Shaft Sinking - an overview | ScienceDirect Topics

    Fritz Crotogino, in Storing Energy, 2016. 3.2 Rock Caverns. Conventionally mined rock caverns are underground cavities constructed by using conventional mining techniques (shaft sinking, excavation of cavities by blasting or cutting).Mined rock caverns can be constructed in a certain range of geological formations which need to allow for the construction and operation of large, long-term ...

  • A review ofsome aspects ofshaft design - SAIMM

    A. review ofsome aspects ofshaft design byG.W. HOLL, Pr. Eng., Associate ofthe Mine Managers Association ofSouth Africa (Fellow)- ... thereby requiring a shaft pillar (termed a conventional vertical shaft) is considered and, in the second case, avertical shaft placed ... obstacle to shaft sinking, isto be penetrated. Conventional methods were used

  • Shaft mining

    Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom. [1] Shallow shafts, typically sunk for civil engineering projects differ greatly in execution method from deep shafts, typically sunk for mining projects.When the top of the excavation is the ground surface, it is referred to as a shaft; when the ...

  • Shaft Sinking | Frontier-Kemper

    CONVENTIONAL SHAFT SINKING What is Conventional Shaft Sinking? Conventional Shaft Sinking is a Drill-and-Blast excavation method that requires no restrictions on shaft depth or diameter. Frontier-Kemper has sunk more than 100 Production, Ventilation, and Service Shafts for mining projects in all types of geological conditions.

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  • Bearings and Shafts on Your Boat - Power & Motoryacht

    Sep 19, 2017 · Bearings and Shafts. These simple technologies keep your boat from sinking or shaking herself to pieces. Many years ago while "vacationing" in Thailand courtesy of the U.S. Army, I ended up in a harbor. Southeast Asia is full of oddities, marine and otherwise, and they're so ubiquitous that you tend to become inured to them.

  • R. G. Johnson Company: Services

    Shaft Sinking. We have constructed shafts with cross sectional areas of 155 to 800 square feet at depths over 1,500 feet. All with the flexibility to provide our customers with the optimum design configuration that best suits their application. These would include designs that are round, elliptical, round end, single or compartment.

  • What is the difference between shaft mining and open-pit ...

    Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom. When the top of the excavation is the ground surface, it is referred to as a shaft; when the top of...

  • Shaft mining - Landmark & Historical Place | Facebook

    Small shafts may be excavated upwards from within an existing mine as long as there is access at the bottom, in which case they are called Raises. A shaft may be either vertical or inclined (between 45 and 90 degrees to the horizontal), although most modern mine shafts are vertical.

  • DESIGN

    The Design Center of the Company carries out comprehensive planning of shaft sinking, horizontal and inclined working, and other mining facilities in various mining and geological conditions, by special methods as well, and of the entire top shaft works.

  • R. G. Johnson Company: Services

    Shaft Sinking. We have constructed shafts with cross sectional areas of 155 to 800 square feet at depths over 1,500 feet. All with the flexibility to provide our customers with the optimum design configuration that best suits their application. These would include designs that are round, elliptical, round end, single or compartment.

  • Shaft Sinking | MINING

    2.Metode conventional (shaft sinking by conventional method) 3.Metode Unconventional (shaft sinking by rotary drilling) C. SINKING PLANT & EQUIPMENT HOIST For excavation equipment needful shaft, either by conventional methods or not is called the sinking plant, while the hoist equipment all components / equipment needed to lift the excavation ...

  • Shaft Sinking Technology: The Long and the Short of It | E ...

    Shaft Sinking Technology: The Long and the Short of It. European editor Kyran Casteel reports on progress at Anglo Platinum's Paardekraal 4,000-ft-deep No. 2 shaft project in South Africa, and editor in chief Steve Fiscor introduces a Southeast U.S. company specializes in blind bore drilling of mostly shallower shafts

  • Shaft 2019

    This global shaft conference is being held for only the fourth time since its inception in 1959, and for the first time in North America. It is a conference for shaft designers, constructors, equipment suppliers, and mine owners carrying out or contemplating shaft projects.

  • Glossary of Mining Terms

    Subsidence – The gradual sinking, or sometimes abrupt collapse, of the rock and soil layers into an underground mine. Structures and surface features above the subsidence area can be affected. Sump - The bottom of a shaft, or any other place in a mine, that is used as a collecting point for drainage water.

  • WO2014078878A1 - Shaft sinking apparatus and method ...

    Shaft sinking apparatus 12 including a platform 14 having a number decks 16, known as a sinking stage, a vertically displaceable or extendible boom assembly 18, a gear driven slew gear 20 for attachment and operation of said boom assembly 18, which slew gear permits full 360 degree rotation, an excavator digging arm and bucket assembly 22 mounted at an end region of said boom assembly 18 .

  • shaft sinking | English to Spanish | Construction / Civil ...

    English term or phrase: shaft sinking: Shaft Sinking and Development Once the work is complete on the 3660 and 3600 levels and the hoist is operational, **shaft sinking*** can commence. The sinking operation is expected to take 86 weeks including time to start the stations and install loading pocket excavations on the 3300 and 3000 levels.

  • Bearings and Shafts on Your Boat - Power & Motoryacht

    Sep 19, 2017 · Bearings and Shafts. These simple technologies keep your boat from sinking or shaking herself to pieces. Many years ago while "vacationing" in Thailand courtesy of the U.S. Army, I ended up in a harbor. Southeast Asia is full of oddities, marine and otherwise, and they're so ubiquitous that you tend to become inured to them.

  • Shaft Sinking Begins at Wesizwe Bakubung | E & MJ

    Shaft Sinking Begins at Wesizwe Bakubung. ... This shaft call is similar to the so-called third generation shafts—a move away from old times where average production rates of 120,000 mt/m were a norm, according to Tony Anderson, mine manager for TWP, the company contracted to build the mine. "What you see here will be the biggest head gear ...

  • Shaft 2019

    This global shaft conference is being held for only the fourth time since its inception in 1959, and for the first time in North America. It is a conference for shaft designers, constructors, equipment suppliers, and mine owners carrying out or contemplating shaft projects.

  • Shaft Sinking Technology: The Long and the Short of It

    Shaft Sinking Technology: The Long and the Short of It European Editor Kyran Casteel reports on the progress at Anglo Platinum's Paardekraal 4,000-ft-deep No. 2 shaft project in South Africa, and Editor-in-Chief, Steve Fiscor, introduces a Southeast U.S. company that specializes in blind bore drilling

  • Unit 16 Mine Development - Mining and Blasting

    Shaft Sinking If the nature of the ground above the bedrock is not known, it is advisable to drill test holes. Sandy or running ground, especially if wet, offers difficulties in shaft sinking. A shaft-sinking plant consists of a headframe, hoisting equipment, an air-compressor for drills, concrete mixing equipment and suitable pumps.

  • Shaft sinking | excavation | Britannica

    In tunnels and underground excavations: Shaft sinking and drilling. Mining downward, generally from the surface, although occasionally from an underground chamber, is called shaft sinking. In soil, shallow shafts are frequently supported with interlocking steel sheetpiling held by ring beams (circular rib sets); or a concrete caisson may be built.

  • Mine Shaft Sinking Methods

    Conventional mine shaft sinking methods involve the performance of a cycle of different operations—drilling and blasting, removal of smoke and cleaning of fly-rock lodged on overhead timbers, mucking and hoisting of the broken rock, and timbering. 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 ...

  • Aveng Mining: Record shaft sinking delivery at Ivanplats ...

    Jul 11, 2018 · Aveng Shafts & Underground, a division/cluster of Aveng Mining, was awarded the shaft sinking contract for Platreef Shaft 1 in 2013 (including boxcut, pre-sinking activities and development of two access stations) and commenced with full shaft sinking in the third quarter (July) of 2016.

  • Shaft mining - Wikipedia

    Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.. Shallow shafts, typically sunk for civil engineering projects differ greatly in execution method from deep shafts, typically sunk for mining projects.When the top of the excavation is the ground surface, it is referred to as a shaft; when the top ...