cost of rock bolts dsi

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  • Mechanical Rock Bolts - DSI Underground Canada

    A29 (gr75 for USA) 5/8' Bolt. 5/8' Bolt. 3/4' Bolt. 7/8' Bolt. Yield Strength, min. 15,600 lbs. (69 kN) 17,000 lbs.

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  • DYWIDAG Rock Bolts - DSI EMEA

    Expansion Shell Anchors Rock Bolts with Expansion Shell. Extremely fast and easy installation ; Immediate load bearing capacity in the borehole ; Galvanized version available ; Retensionable ; Various angle compensation designs available ; Posterior grouting is …

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  • Rock and Roof Bolts - DSI Civil

    Geotechnical Systems - Rock and Roof Bolts. At DSI Australia, we are a leading manufacturer & supplier of specialist strata reinforcement products to the underground mining sectors. We offer a comprehensive range of rock and roof bolts as well as accessories. To learn more, please visit DSI …

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  • Rock Bolt - Self Drilling Anchor Latest Price ...

    DSI Underground is Australia’s largest manufacturer & supplier of specialist strata reinforcement & support products to the underground coal & metalliferous mining sectors. DSI Underground is also a major exporter of these products to the Asia-Pacific Region. DSI Underground has successfully established its Mining Business Sector.

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  • Rock Bolts - Roof Bolts - Resin Anchoring - DSI ...

    Manufactured from a special hot rolled deformed bar designed by DSI Underground. This bolt features a rib pattern which actively assists with mixing the chemical anchors during installation. The deformed bar rib pattern improves load transfer properties. The rolled thread strength nominally equals the column strength of the bar.

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  • High Strength Bar - DSI Underground Australia - Rock

    The Dynamic OMEGA-BOLT ® has been developed to provide safe, effective, and fast rock support in mines or tunnels where high stress in the rock mass can create a sudden release of energy (rock bursts). These micro-seismic events are similar to an explosion, able to crush rock and eject fragments into the excavated drifts, and they represent a great danger to miners and equipment.

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  • Dynamic OMEGA-BOLT® - DSI Underground Canada

    Anchors, Rock Bolts & Pre-Support. The CT-Bolt ™ is a unique combination rock bolt system. It offers the combined advantages of an immediate point anchorage and subsequently a fully grouted rock bolt. A two-step installation procedure allows fast installation and immediate anchorage, separate and independent grouting provides flexibility in regard ...

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  • CT-Bolt™ Combination Rock Bolt - DSI Underground

    2019-4-30 · DCP-Rock Bolt The Rock Bolt for permanent Slope Stabilizations, Tunnels and Caverns (with angle compensation) High tensile and mild steel – DYWIDAG THREADBAR® 60-65 mm Ductile Expansion Shell 200 kN Capacity Corrugated Plastic Sheath 42 mm O.D. Tape O-Ring Seal Domed Plate Hemispherical Seat Screw-On Steel Cap DCP – Rock Bolt Features

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  • DCP-Rock Bolt - DSI Canada

    2019-5-29 · Bolts increase the self-supporting ability of the ground and limit the loosening of blocks as well as shear displacements. Furthermore, the frictional force between individual ground layers is increased. Common bolt types, such as SN-Anchors or a THREADBAR, are fully grouted over the entire length and are usually installed un-tensioned.

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  • Mechanical Rock Bolts - DSI Underground Canada

    0.40' (10.16 mm) Thread Size (left and right) I. All Bolts. 5/8”- 11 UNC. 3/4”- 10 UNC. 7/8”-9 UNC. All dimensions in accordance with ASTM F432 & CSA M430-90 specifications. Technical Data. C1060 Steel.

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  • DYWIDAG Rock Bolts - DSI Middle East

    Expansion Shell Anchors Rock Bolts with Expansion Shell. Extremely fast and easy installation. Immediate load bearing capacity in the borehole. Galvanized version available. Retensionable. Various angle compensation designs available.

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  • Mechanical Anchors, Resin and Rebar Rock Bolts - DSI ...

    Which rock bolt system is the best one to use depends on a variety of factors, which have to be considered in each individual case. DSI Underground has longtime experience in the development, production and supply of mechanical anchors and rock bolts.

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  • COMBI-BOLT Combination Rock Bolt - DSI Schaum

    2017-8-10 · Anchors and Rock Bolts - COMBI-BOLT Combination Rock Bolt. The COMBI-BOLT is a unique combination rock bolt system. It offers the combined advantages of an immediate point anchorage and subsequently a fully grouted rock bolt. A two-step installation procedure allows fast installation and immediate anchorage, separate and independent grouting ...

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  • Practical Rock Engineering Chapter 14 Rockbolts and Cables

    2018-9-21 · cost tends to limit their application to situations where high strength bolts are required. Tensioning of rockbolts is important to ensure that all of the components are in contact and that a positive force is applied to the rock. In the case of light 'safety' bolts, the

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  • The Mandacarú Tunnel in Bahia: DYWIDAG Rock Bolts

    DSI Underground Brasil supported the owner and consulting engineers during the selection of a rock bolt system suitable for use in these conditions. To stabilize the tunnel excavation, DSI produced the necessary DYWIDAG THREADBAR Rock Bolts as well as resin cartridges and supplied them to the jobsite just-in-time.

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  • CT-Bolt - DSI Civil

    CT-Bolt System Description. Combination rock bolt. Application as temporary and long-term ground control system. Immediate point anchorage in terms of an expansion shell anchor. Post-grouting assembly features double corrosion protection. Fully automated or manual bolt installation. 1. Nut.

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  • Atlas Copco Rock Reinforcement Products Product

    2017-11-14 · line rock bolts, which are manufactured from a special type of steel. Another development is the Swellex Premium line of rock bolts, for use where high yield load and stiffness are expected from the reinforce-ment system. When Atlas Copco bought MAI in 2001, the rock reinforcement center moved to Feistritz/Drau, Austria.

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  • 14 factors associated with the installation of a rock

    2014-10-20 · The factors that affect the price of installation are as follows: The cost of the fixture or rock bolt. Other installation materials such as expander shell, cement, resin or silicate cartridge. As rock bolts are seldom installed without accessories, we have the cost of such items as washers, bearing plates, strapping, wire mesh and wooden blocks.

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  • Anchor Design - DSI USA

    Anchor Design. DYWIDAG THREADBAR ® reinforcing steel is intended for use in relatively low strength rock bolt and rock dowel applications. DYWIDAG THREADBAR ® prestressing steel is intended for use in high strength application to permit the maximum design load in each borehole. The use of prestressing steel may allow a reduction in the number of bolts in the pattern and thus, it usually ...

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  • DYWIDAG Rock Bolts - DSI Middle East

    Expansion Shell Anchors Rock Bolts with Expansion Shell. Extremely fast and easy installation. Immediate load bearing capacity in the borehole. Galvanized version available. Retensionable. Various angle compensation designs available.

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  • DYWIDAG Rock Bolts - DCP-Rock Bolt - DSI Canada

    DCP – Rock Bolt Features. Superior performance — On-site assembly to any length. Double Corrosion Protection (DCP) consisting of corrugated plastic sheathing and cement grout. Stressable with hydraulic jack immediately after installation. Hydraulic jack sitting on shoulder of hemispherical seat. Direct load transfer from anchor head to ...

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  • DCP-Rock Bolt - DSI Canada

    2019-4-30 · DCP-Rock Bolt The Rock Bolt for permanent Slope Stabilizations, Tunnels and Caverns (with angle compensation) High tensile and mild steel – DYWIDAG THREADBAR® 60-65 mm Ductile Expansion Shell 200 kN Capacity Corrugated Plastic Sheath 42 mm O.D. Tape O-Ring Seal Domed Plate Hemispherical Seat Screw-On Steel Cap DCP – Rock Bolt Features

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  • DYWIDAG GRP Anchors and Rock Bolts

    2013-9-17 · GRP Anchors and Rock Bolts are used as an alternative to conventional ground control elements made of steel. Thanks to the rapid development of production technologies and a higher amount of mechanical excavation, GRP systems have gained importance in underground construction around the world. Fields of application of GRP Anchors and

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  • MITTAL ENGINEERING - Suppliers of Rock Bolts

    MITTAL ENGINEERING - Suppliers of Rock Bolts. Products:-. Rock Bolts ( Roof Bolts) Roof bolting follows the principle of fastening the loose rocks near the surface to the solid rock above, by means of anchor bolts, instead of supporting it from below. Rock Bolts not only support the surface rock but also assist it to act as a load carrying element.

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  • Resins - DYWIDAG-Systems International UK

    Fasloc ® Resin Cartridges offer quick installation for rock bolts and dowels used for the stabilisation of rock faces, cuttings and tunnels. The resin has a fast cure time, enabling the bolt to be loaded following installation. Resin cartridges are used with GEWI ® Steel and GRP rock bolts, where the bolt can be spun into the resin to achieve a full bond.

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  • Anchor Design - DSI USA

    Anchor Design. DYWIDAG THREADBAR ® reinforcing steel is intended for use in relatively low strength rock bolt and rock dowel applications. DYWIDAG THREADBAR ® prestressing steel is intended for use in high strength application to permit the maximum design load in each borehole. The use of prestressing steel may allow a reduction in the number of bolts in the pattern and thus, it usually ...

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  • Secoroc Rock Drilling Tools SWELLEX ROCK BOLTS

    2016-10-20 · Swellex rock bolts General information Swellex Pm12 Minimum breaking load 110 kN Minimum yielding load 90 kN Minimum elongation 10% Expansion pressure 300 bar For further information, see also technical data page 7. Minimum elongation 'A': According to EN-ISO 6892-1 where applicable. Swellex Pm12 rock bolts Size Length (m) Weight (kg) Product ...

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  • Rock Anchoring and Bolt Systems

    2020-2-29 · anchors and tensioning procedures for rock bolts are detailed in this publication. Failure to follow approved practices, may result in failure. 3. The applied safety factor for a product will depend on the degree of hazard or risk involved in the product application. This safety factor is governed by national codes, local codes

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  • DSI Mining Products - Manufacturer & Supplier.

    DSI Mining Products Manufacturer & Supplier at your Best MANUFACTURE. OPERATIONS & METALLURGY DSI Mining Products is an Australian based Company provides with Manufacturing & Supply Design for the mineral processing industry. Grinding Mills Crushers Mobile Equipment Chutes, Bins & Hoppers Conveyors Trommels OUR PRODUCTS. STEEL MILL LININGS RUBBER AND …

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  • DYWIDAG Rock Bolts - DCP-Rock Bolt - DSI Canada

    DCP – Rock Bolt Features. Superior performance — On-site assembly to any length. Double Corrosion Protection (DCP) consisting of corrugated plastic sheathing and cement grout. Stressable with hydraulic jack immediately after installation. Hydraulic jack sitting on shoulder of hemispherical seat. Direct load transfer from anchor head to ...

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  • DCP-Rock Bolt - DSI Canada

    2019-4-30 · DCP-Rock Bolt The Rock Bolt for permanent Slope Stabilizations, Tunnels and Caverns (with angle compensation) High tensile and mild steel – DYWIDAG THREADBAR® 60-65 mm Ductile Expansion Shell 200 kN Capacity Corrugated Plastic Sheath 42 mm O.D. Tape O-Ring Seal Domed Plate Hemispherical Seat Screw-On Steel Cap DCP – Rock Bolt Features

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  • Rock Bolts & Spiles - DSI Canada

    2020-2-29 · anchors and tensioning procedures for rock bolts are detailed in this publication. Failure to follow approved practices, may result in failure. 3. The applied safety factor for a product will depend on the degree of hazard or risk involved in the product application. This safety factor is governed by national codes, local codes

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  • Rock Anchoring and Bolt Systems

    2016-10-20 · Swellex rock bolts General information Swellex Pm12 Minimum breaking load 110 kN Minimum yielding load 90 kN Minimum elongation 10% Expansion pressure 300 bar For further information, see also technical data page 7. Minimum elongation 'A': According to EN-ISO 6892-1 where applicable. Swellex Pm12 rock bolts Size Length (m) Weight (kg) Product ...

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  • Secoroc Rock Drilling Tools SWELLEX ROCK BOLTS

    Key Features. Extremely fast and easy installation. Immediate load bearing capacity in the borehole. Galvanized version available. Retensionable. Various angle compensation designs available. Posterior grouting is possible – increased load bearing capacity and durability.

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  • Self Drilling Anchor Rock Bolts, Threaded Rods ...

    DSI Mining Products Manufacturer & Supplier at your Best MANUFACTURE. OPERATIONS & METALLURGY DSI Mining Products is an Australian based Company provides with Manufacturing & Supply Design for the mineral processing industry. Grinding Mills Crushers Mobile Equipment Chutes, Bins & Hoppers Conveyors Trommels OUR PRODUCTS. STEEL MILL LININGS RUBBER AND …

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  • Expansion Shell Anchors - DYWIDAG-Systems

    2016-10-1 · The load-displacement curves of the rock bolts with a water-cement ratio of 0.46 are presented in Fig. 4. The test results of rock bolts with an embedment length of 100 mm are shown in Fig. 4a. All three rock bolts in the group slipped in the grout, and their ultimate loads varied from 39 to 48 kN. Download : Download high-res image (704KB)

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  • DSI Mining Products - Manufacturer & Supplier.

    DSI Underground is one of Australia’s largest manufacturer and supplier of specialist strata reinforcement and support products to the soft and hard rock underground mining, and tunnelling ...

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  • Mine Rock, Cable & Specialty Bolts BC | DSI | SPS

    Mining products from Dywidag-Systems International (DSI) have long been regarded for their quality, ease of use, and longevity. SPS Mining Supplies Ltd. in Smithers is proud to supply quality DSI drilling fluids, mine rock, cable and specialty bolts to facilitate BC …

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  • Ground Control Solutions for Tunneling and Mining

    2014-5-9 · Rock Bolts Fields of Application The main application of the OMEGA-BOLT® Expandable Friction Bolt is temporary rock reinforcement in Mining and Tunneling. Bonding forces between the friction bolt and the rock mass are caused by form closure and friction transfer between the borehole wall and the rock bolt which is expanded by hydraulic pressure.

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  • Rock Bolt Properties - DSI Canada

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  • Self Drilling Anchor Rock Bolts, Threaded Rods ...

    Polyester Resin Rock Anchor Systems. Resin anchoring provides quick rock reinforcement for active and passive installations for dams, locks, underground structures, rock cuts, and tie-downs. Both Williams Grade 75 and 150 KSI All-Thread Bars are used for resin …

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  • Roof Bolting Tools | Coal Age

    The setting time of the resin components can be controlled. A combination of fast- and slow- setting cartridges and differing insertion strengths makes possible the simultaneous operation of anchoring, grouting and tensioning of rock bolts. The simplicity of this method of anchoring/grouting eliminates the need for cumbersome injection equipment.

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  • Split Set Friction Rock Stabilizers, Friction Bolts by ...

    2020-6-20 · The effect of elevated temperature on resin-anchored rock bolts Kent McTyer DSI Underground, [email protected] Follow this and additional works at: https://ro.uow.edu.au/coal Recommended Citation Kent McTyer, The effect of elevated temperature on resin-anchored rock bolts, in Naj Aziz and Bob

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  • Polyester Resin Rock Anchors - Williams Form

    DSI Underground Europe & CIS | 234 Follower auf LinkedIn To provide safety to underground operations and deliver expertise and sustainability for mining and tunneling globally. | DSI Underground – Europe & CIS DSI Underground is the leading manufacturer and supplier with the world’s most comprehensive range of ground support solutions for the underground mining and tunneling industry.

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