mining tunnelling support

STEEL ARCH ROOF SUPPORT - Becker Mining Systems AG

support • Damaged excavation opening-up • Mining through dykes and faults • Custom designed and shaped to suit specific design requirements • Reclaimable and reusable in some applications IDEAL FOR USE IN • Tunnel rehabilitation • Void filling • Pothole consolidation A2 Y Clamps required: G606/29 x …

Underground Mining Solutions - DSI Underground Group

DSI Underground develops, produces and supplies innovative products and systems for Underground Mining and Tunneling. Today, as a system supplier, DSI Underground offers its clients the largest product range globally available of

Locations · Mining · Group · Contact · History · Press ReleasesMining and Tunneling - Magorian Mine Services

Mining and Tunneling - Innovative Underground Mining and Tunneling Contractor: Utilizing state-of-the-art drill-and-blast or a transverse-head road header and custom-designed mobile rock cutting technology, MMS is prepared to help you meet your mining goals on projects large or small.

Tunnel - Wikipedia

A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.. A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal.

Tunnelling – Specialist Tunnel Excavation

Turnkey excavation and ground support solutions. Specialist Tunnel Excavation provides clients unique turnkey excavation and ground support solutions with surface mining, tracked trenchers, road headers, profilers, ground support, excavators and dump trucks.

New Austrian tunnelling method - Wikipedia

The New Austrian tunneling method (NATM), also known as the sequential excavation method (SEM) or sprayed concrete lining method (SCL), is a method of modern tunnel design and construction. This technique first gained attention in the 1960s based on the work of Ladislaus von Rabcewicz, Leopold Müller, and Franz Pacher between 1957 and 1965 in Austria. . The name NATM was intended to ...

tunnels and underground excavations | History, Methods ...

Tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock. Tunnels have many uses: for mining ores, for transportation—including road vehicles, trains, subways, and canals—and for …

Drilling and blasting - Wikipedia

Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation. It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction. The …

Tunnelling: Mechanics, methods, and mistakes

Tunnelling: Mechanics and hazards Jim St. Marie. Introduction. A tunnel is a long, narrow, essentially linear excavated underground opening, the length of which greatly exceeds its width or height. (Walhstrom, 1973). In contrast, a cavern is an underground …

Mine Support Products - Mining Technology | Mining News ...Deep-Level Mining Roof Support SystemTunnelling: Mechanics, methods, and mistakes

Tunnelling: Mechanics and hazards Jim St. Marie. Introduction. A tunnel is a long, narrow, essentially linear excavated underground opening, the length of which greatly exceeds its width or height. (Walhstrom, 1973). In contrast, a cavern is an underground …

Data mining for tunnel support stability: neural network ...

This paper presents a data mining approach to the prediction of tunnel support stability using artificial neural networks (ANN). The case data of a railway tunnel recently finished in Taiwan were used to establish the model. The main rock type was sedimentary rock.

Underground Applications: Mining Roof and Wall Support ...

Underground Applications: Mining Roof and Wall Support. Tensar ® Mining Systems address underground mine and tunnel applications including: . Rib Control – White and reflective, Tensar ® TX and BX Mining Grid products provide effective rib control for soft minerals, while Tensar ® UX3340 Roof Mats and Minex™ Rock Mesh address the most demanding hard rock and tunneling applications.

Tunnelling Project Systems Design & Engineering Support ...

tunnelling project systems design & engineering support The depth and breadth of the Smith & Long Tunnelling Divisions experience enable us to provide a large and an exciting value proposition of services to this specialty industry from a project design and engineering support perspective.

Specialist Tunnel Excavation

Vision, Excellence, Innovation, Expertise: this is what links Tesmec S.p.A, & Specialist Tunnel Excavation Group, who have entered into an exclusive arrangement within Asia Pacific, to bring the most advanced excavation solutions for every type of application across major tunnel, civil, utility infrastructure & mining projects. View more

Tunnelling | RockEng

Tunnelling projects in underground mines and civil engineering projects must be overseen by top-class engineers. Tunnelling – Underground mines, and many types of major civil engineering projects, make extensive use of tunnelling as a means to move ore, personnel, equipment, vehicles, water, and many other items from one place to another.Because tunnelling is often performed at great depths ...

Glossary of Mining Terms - rocksandminerals

Glossary of Mining Terminology. A. ... sometimes called "crosscut tunnel", or "breakthrough". In vein mining, an entry perpendicular to the vein. ... Room and pillar mining — A method of underground mining in which approximately half of the coal is left in place to support the roof of the active mining area. Large "pillars" are left while ...

Practical Considerations for Tunnels Used in Mining ...

Practical Considerations for Tunnels Used in Mining Applications Marco D. Boscardin, Ph.D., DGE, PE ... Tunnel Support • Ribs and Lagging • Timber • Rock Bolts/Dowels • Shotcrete • Straps ... Practical Considerations for Tunnels Used in Mining Applications

Q-system (geotechnical engineering) - Wikipedia

For the linguistics formalism, see Q-systems. For the genetic method, see Q-system (genetics).. The Q-system for rock mass classification is developed by Barton, Lien, and Lunde. It expresses the quality of the rock mass in the so-called Q-value, on which are based design and support recommendations for underground excavations.. The Q-value is determined with

Mining, Tunnels, Industrial Communication Systems | MTI Tech

Communication and wireless solutions for mining, tunnels and infrastructure. MTI Tech serve to provide innovative wireless communication systems and safety systems into tunnelling, mining, industrial and infrastructure customers, we specialise in hazardous areas and confined spaces.

MineARC Systems • Advanced Chamber Technology, Safe refuge ...

MineARC Refuge Chambers have been used successfully around the world in multiple mining and tunnelling emergencies to save lives. With a strategic focus on client support, MineARC has offices and manufacturing facilities in Australia, South Africa, Chile, China, Europe and the United States, as well as a strong distribution network worldwide.

Özkan Steel | Products

Mining and Tunneling Profiles. Mining Support Accessories. Bending Facility. Products. Catalogue. Contact. Experienced Market Support. Underground mines and tunnels are constantly encountering interchanging compressive strata conditions and resilient support methods must be implemented to guarantee safety.

Mining & Tunneling - North America

Mining & Tunneling Chemical solutions for underground construction. BASF is a world leader in the provision of safe, reliable, cost effective, and customer-oriented chemical solutions for the mining and tunneling industries. Our innovations push the limits of chemistry to bring advanced technologies into the mining and tunneling industries.

Software Solutions - Mining & Tunneling - increase safety ...

Our Software Solutions for Mining and Tunneling support you to increase safety and productivity. Better manage your time, people, and assets with us today.

MineARC Systems • Advanced Chamber Technology, Safe refuge ...

MineARC Refuge Chambers have been used successfully around the world in multiple mining and tunnelling emergencies to save lives. With a strategic focus on client support, MineARC has offices and manufacturing facilities in Australia, South Africa, Chile, China, Europe and the United States, as well as a strong distribution network worldwide.

Özkan Steel | Products

Mining and Tunneling Profiles. Mining Support Accessories. Bending Facility. Products. Catalogue. Contact. Experienced Market Support. Underground mines and tunnels are constantly encountering interchanging compressive strata conditions and resilient support methods must be implemented to guarantee safety.

Mining & Tunneling - North America

Mining & Tunneling Chemical solutions for underground construction. BASF is a world leader in the provision of safe, reliable, cost effective, and customer-oriented chemical solutions for the mining and tunneling industries. Our innovations push the limits of chemistry to bring advanced technologies into the mining and tunneling industries.

Software Solutions - Mining & Tunneling - increase safety ...

Our Software Solutions for Mining and Tunneling support you to increase safety and productivity. Better manage your time, people, and assets with us today.

Tunnelling and Mining | Applications of Mateenbar Products ...

Tunnelling and Mining. ... The soft-eye technique provides significant cost, scheduling and safety benefits in tunnel projects. ... The use of mateenbolt TM in mines is increasing from year to year and FRP rockbolting is becoming one of the most common support systems in the mining industry. Today most FRP rockbolts are used in coal mines ...

PRODUCTS FOR TUNNELLING MINING AND …

PRODUCTS FOR TUNNELLING, MINING AND UNDERGROUND CONSTRUCTIONS utt-mapei. 1 Shotcrete with Mapequick ... we offer support for all your underground work, from the initial steps right up until the last of the materials is applied in a tunnel construction. Our range of products is the most complete you could wish to have, “TO COMPLETE ...

Underground mining (hard rock) - Wikipedia

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies.

Support Vehicle - Amalgamated Mining & Tunnelling Inc.

Used Underground Mining Equipment. AM&T has a large inventory of used underground mining equipment ranging from man carriers to jumbos, to new and used buckets and boxes. If we do not have it, we are confident we can locate it. The following is a partial list of heavy equipment that AM&T has available at various locations.

Mining, Drilling & Tunnelling Cable - Eland Cables

Click to view our full range of mining, drilling & tunnelling cable . Eland Cables is a leading supplier of heavy-duty power, control and instrumentation cables to mine operators and their contractors worldwide.

(PDF) Designing Shotcrete As Primary Support in Tunnels

Since the advent of New Austrian Tunneling Method (NATM), shotcrete as primary means of support in tunnels has been widely applied. Its most important features are durability, speed of …

Underground Construction (Tunneling)

Introduction The construction of underground tunnels, shafts, chambers, and passageways are essential yet dangerous activities. Working under reduced light conditions, difficult or limited access and egress, with the potential for exposure to air contaminants and the hazards of fire and explosion, underground construction workers face many dangers.

Used Mining Equipment for Sale by Amalgamated Mining ...

Used mining equipment and surplus parts from Amalgamated Mining & Tunnelling Inc. (AM&T) for sale on EquipmentMine. You have changed your edition to Global. Edition aware sections will now prioritize Global content.

Mining Applications - DSI Underground Canada

Steel Support Mining Applications Portal Applications Integral Portal Support and Ventilation Structures Cambered Supports for Inseam Use Steel Arches...

SA-Mining | South African Mining and Engineering Supplies

COMPANY PROFILE. South African Mining & Engineering Supplies has been in operation since 1994, is a medium sized expanding company. Specialising in the Research and Development of Tunnel Guard and Minecrete S3 Super Strong Shotcrete for underground support.