dcp rock bolts manufacture

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

    DCP – Rock Bolt Features. 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 expansion shell. Compressed rock mass between expansion shell ...

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  • DCP Bolt, 579kN - DSI Underground Australia - Rock

    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 expansion shell. Compressed rock mass between expansion shell and anchor head.

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  • DCP Bolt, 310 kN - DSI Civil

    Protection of the load-bearing components of the DCP-Bolt according to given levels of corrosive environments; Bolts are available black, hot dip galvanised, or black with a stainless steel head detail; Rock bolt testing equipment; Rock bolt testing provides a quality control of the rock bolt system behaviour in combination with given ground ...

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  • DCP Bolt, 310 kN - DSI Underground Australia - Rock

    Drill 43-45mm hole diameters. The drill hole length must be longer than the bolt by approx. 50mm. Domed washer plate is fitted to the bolt. The bolt is inserted into the hole. After placing the bolt in the hole to its full length, the bolt is then rotated to set the expansion shell to the required tension. Attach grouting adaptor to anchorage.

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  • DCP Bolt, 579kN - DSI Civil

    Tunneling Products & Systems - DCP Bolt, 579kN 1. Ductile Expansion Shell - 200 kN Capacity 2. Corrugated Plastic Sheath - 42 mm O.D. 3. Tape 4. O-Rin...

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  • New double corrosion-protected bolt rocks

    2010-9-10 · “Traditional DCP rock bolts – consisting of a galvanised steel rod, breather and grout pipes and an expansion shell – need to be fully grouted to encapsulate the bolt,” Henson explains.

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  • Permanent (DCP) Anchors - DSI EMEA

    DYWIDAG Strand Anchors. Long-lasting system for permanent use (more than 100 years) DYWIDAG Strand Post-Tensioning System Anchor components. Bonded length can be pregrouted at the factory – partial grouting is also possible. Approved, Double Corrosion Protection (DCP) achieved by strands that are greased, individually sheathed and covered by ...

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  • Concrete Accessories - DSI EMEA - DYWIDAG-Systems

    Double Corrosion Protection (DCP) Multibar with Double Corrosion Protection (DCP) ... DYWIDAG Rock Bolts; ... As a manufacturer with our in-house production facilities, we can manufacture building components and accessories in a fast and flexible way. Since we are integrated in an international construction company, our products are ...

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  • PRODUCT CATALOGUE - jennmar.com.au

    2021-3-3 · Double Corrosion Rock Bolts & Cables Low Profile Double Corrosion Protection Rock Bolt Features: • The low profile DCP rock bolt is a mechanical point anchored, pre tensioned, post groutable, low profile rock bolt with a grout injection head connection.

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  • BluGeo LP Rock Bolt

    2020-10-28 · BluGeo LP Rock Bolt is a leader in its class of tunnel bolts with its exceptionally low profile head allowing savings in shotcrete application lining thicknesses. It is the reliable choice for all modern tunnel bolting applications.

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  • PRODUCT CATALOGUE - jennmar.com.au

    2021-3-3 · Double Corrosion Rock Bolts & Cables Low Profile Double Corrosion Protection Rock Bolt Features: • The low profile DCP rock bolt is a mechanical point anchored, pre tensioned, post groutable, low profile rock bolt with a grout injection head connection.

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  • Double Corrosion Rock Bolts & Cables DCP Cable Bolt – 21

    2021-3-3 · Double Corrosion Rock Bolts & Cables DCP Cable Bolt – 21.8mm Features: • Durable, high density, polyethylene (HDPE), corrugated sheath provides superior corrosion protection achieving a 100 year design life • Corrugations in sheathing provide excellent …

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  • Concrete Accessories - DSI Middle East

    Multibar with Double Corrosion Protection (DCP) DYWIDAG Soil Nail. ... DYWIDAG Rock Bolts; ... As a manufacturer with our in-house production facilities, we can manufacture building components and accessories in a fast and flexible way. Since we are integrated in an international construction company, our products are continuously tested on site.

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  • BluGeo LP Rock Bolt - Bluey Technologies; Concrete ...

    BluGeo LP Rock Bolt has been designed as an easy to install, reliable grouting, flexible nut and plate configuration product suitable for civil engineering applications. BluGeo LP Rock Bolt incorporates a unique patent designed, low profile fixing nut to form a Double Corrosion Protection bolt.

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  • Laboratory and field testing of bolting systems

    2017-1-1 · In order to provide additional protection, double corrosion protected (DCP) systems were introduced. These systems, although effective in providing additional corrosion protection, have proven to be expensive, complex to manufacture, bulky and difficult to handle. They are normally slow to install which leads to a reduction in development rates.

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  • History - DSI Underground Australia - Rock Bolts -

    History. DSI Underground Australia. Company. History. Formation of the company Lang & Cie, Karlsruhe, Germany. Gottlieb Widmann (left) & Eugen Dyckerhoff (right) Change of name to Dyckerhoff & Widmann AG. Water Reservoir, Wiesbaden, Germany Rammed concrete, capacity: 4.300m 3 (5,600 cu. Yds.)

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  • BluGeo CF Rock Bolt

    2017-9-13 · BluGeo CF Rock Bolt is a leader in its class of cable bolts with its low profile head allowing savings in shotcrete application lining thicknesses. It is the reliable choice for all modern tunnel bolting applications. Application Solutions 100 year design life rock support Slope stability Ground anchors Roof support Rock reinforcement

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  • DEVELOPMENT CONSTRUCTION SPECIFICATION C271

    2020-7-2 · bolts, anchorages and formers of holes as shown on the drawings. Temporary fittings used for the support of the formwork shall be arranged to permit removal without damage to the concrete. The use of wires and or bolts extending to the surface of the concrete shall not be permitted except where shown on the Drawings. Formwork Fittings 6.

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  • Supply Dicalcium Phosphate DCP,MDCP,MCP Feed

    Prepare Rock support of rock mass with practical methods Q, GSI, RMR Prepare geological mapping of underground openings. Analysis & design slopes & all underground excavation Supervisor on Grouting & Geotechnical works in underground & surface Supervisor of installing DCP Dowels, Tendons & rock bolts in tunnels & caverns

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  • New double-corrosion-protected rock bolts -

    Accessories for Rock and Roof Bolts Drilling Equipment Mechanical Expansion Shells. Friction Anchors. Friction Bolts. Speciality Anchors. Double Corrosion Protection (DCP) Bolts ...

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  • Mining | rocbolt

    Single Corrosion Protected (SCP) Rock or Soil Anchors . Double Corrosion Protected (DCP) Rock or Soil Anchors. Soil Nails. Rock Bolts. Strand Anchors. Hollow Bar Anchors. Resin Anchors. Expansion Shell Anchors . Downloads . SAS Geotechnical Systems 3.12 MB. SAS Soil Nails3.71 MB. SAS Rock Bolts1.39 MB. SAS Resin Anchors4.04 MB. SAS Expansion ...

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  • SAS Ground Anchor Systems - SAS Stressteel

    Multibar with Double Corrosion Protection (DCP) DYWIDAG Soil Nail. ... DYWIDAG Rock Bolts; ... As a manufacturer with our in-house production facilities, we can manufacture building components and accessories in a fast and flexible way. Since we are integrated in an international construction company, our products are continuously tested on site.

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  • Concrete Accessories - DSI Middle East

    Rock Bolts. From securing a potential rockfall on a residential property, to tunnelling large scale road and rail projects, MacDonald Contracting Australia can meet the needs of any rockbolting job. We have a range of drilling equipment, including hand-held rockdrills, roof-bolters, gopher drills and track-mounted drill …

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  • Rock Bolts - MacDonald Contracting

    2017-9-13 · BluGeo SR Rock Bolt is a leader in its class of tunnel bolts with its traditional head assembly allowing for easy installation with standard bolting equipment. It is the reliable choice for all modern tunnel bolting applications. Application Solutions 100 year design life rock support Slope stability Spot bolting Roof support Rock reinforcement

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  • BluGeo SR Rock Bolt

    2017-9-13 · BluGeo CF Rock Bolt is a leader in its class of cable bolts with its low profile head allowing savings in shotcrete application lining thicknesses. It is the reliable choice for all modern tunnel bolting applications. Application Solutions 100 year design life rock support Slope stability Ground anchors Roof support Rock reinforcement

    Get Price
  • BluGeo CF Rock Bolt

    Prepare Rock support of rock mass with practical methods Q, GSI, RMR Prepare geological mapping of underground openings. Analysis & design slopes & all underground excavation Supervisor on Grouting & Geotechnical works in underground & surface Supervisor of installing DCP Dowels, Tendons & rock bolts in tunnels & caverns

    Get Price
  • Supply Dicalcium Phosphate DCP,MDCP,MCP Feed

    2021-7-5 · Taiwantrade is a Taiwan B2B e-marketplace to help global buyers find Taiwan products, manufacturers, suppliers, exporters, wholesalers, trade leads and information on trade shows.

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  • Double Corrosion Protection - DYWIDAG-Systems

    Double corrosion protection (DCP) is defined in BS8081 and consists of factory pre-grouted encapsulation of the bar within a corrugated plastic sheath. DYWIDAG DCP Anchors are capable of providing consistent performance for 120 years. The specialist coupler and head assembly details ensure that a consistent double corrosion protection is ...

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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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  • About us - DSI Underground Australia - Rock Bolts

    Since 2011, DSI Underground has been owned by Triton: an international investment firm, founded in 1997 with a mission to build better businesses for the longer term through partnership. Triton invests in medium-sized businesses with management located in Europe that fall within the industrial, business services and consumer/health sectors.

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  • BluGeo CF Rock Bolt

    2017-9-13 · BluGeo CF Rock Bolt is a leader in its class of cable bolts with its low profile head allowing savings in shotcrete application lining thicknesses. It is the reliable choice for all modern tunnel bolting applications. Application Solutions 100 year design life rock support Slope stability Ground anchors Roof support Rock reinforcement

    Get Price
  • Anchoring systems for geotechnical engineering

    2017-4-19 · In mines - The bolts reinforce the roof of the cavity to recreate a beam effect with the natural earth. On cliffs - The bolts stabilise the blocks to limit erosion. They can also be used to anchor the stone and rockfall mesh. In tunnels - The bolts reinforce the natural earth on the roof to create an arched effect. Soil nails & rock bolts

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  • DEVELOPMENT CONSTRUCTION SPECIFICATION C271

    2020-7-2 · bolts, anchorages and formers of holes as shown on the drawings. Temporary fittings used for the support of the formwork shall be arranged to permit removal without damage to the concrete. The use of wires and or bolts extending to the surface of the concrete shall not be permitted except where shown on the Drawings. Formwork Fittings 6.

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  • Sustainability - DSI Underground Australia

    DSI Underground Australia. Company. Sustainability. DSI Underground makes a difference. We are committed to sustainability on all levels everywhere. Sustainability as a Corporate Principle. For DSI Underground, sustainability is finding the right balance between financial and economic performance, social concerns and our environment.

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  • Supply Dicalcium Phosphate DCP,MDCP,MCP Feed

    2021-7-5 · Taiwantrade is a Taiwan B2B e-marketplace to help global buyers find Taiwan products, manufacturers, suppliers, exporters, wholesalers, trade leads and information on trade shows.

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  • Cement grouted rock bolts - yunus.hun.edu.tr

    2012-2-21 · DCP-Soil Nail 1. Domed plate 2. Domed nut 3. Threadbar 4. Cement grout 5. Corrugated sheathing 6. Spacer 7. Grout cap 19 . Expansion Shell Anchor 1. Dished plate 2. Domed anchor nut 3. Threadbar ... Cement grouted rock bolts reaches optimum strenght in few days.

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  • DYWIDAG THREADBAR - TECHNICAL DATA [METRIC UNITS]

    2011-5-16 · Anchor Bolts 35 Concrete Reinforcing Seismic Anchors Rock Bolts Ground Anchors 57 Soil Nailing Precast Connections **550/730 MPa *75 *Cold-Rolled THREADBAR® 48.79 19 #6 284 2.147 196 23 21.9 14.7 L 22 #7 387 200 267 3.04 25.3 18.3 L #8 510 264 351 3.97 28.5 18.3 L 28 #9 645 334 445 5.06 32.2 18.3 L 32 #10 819 424 6.40565 36.4 18.3 L

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  • Tie Rods and Tiebacks – Williams Form Engineering

    Williams 75 All-Thread Rebar is a continuously threaded bar specially designed to be used with fasteners. Common applications for the Grade 75 All-Thread Rebar are tie rods and ground anchors. All-Thread Rebar is available in 11 diameters from #6 (20 mm) through #28 (89 mm) with ultimate tensile strengths up to 961 kips (4274 kN) and lengths up ...

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  • DSI Middle East [dsi-middleeast-com.web-vision.de] -

    DSI Middle East: The Qatari Leader in Post-Tensioning and Geotechnics. In 2016, DSI Middle East W.L.L. was established as a Joint Venture consisting of the partners DYWIDAG-Systems International and QACS in Doha, Qatar.

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  • DSI Underground signs an exclusive distribution

    July 2016, DSI Underground signed an agreement to manufacture and sell patented Dynamic OMEGA-BOLT ® with Northern Mining Products (NMP) of Lule... DSI Underground signs an exclusive distribution agreement with NMP of Sweden for dynamic inflatable rock bolts - DSI Underground Brasil

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  • Datasheets | nucorskyline.com

    Manufactured with 0.6 inch diameter, 7 wire, low relaxation strand. 270 ksi conforming to ASTM A 416. 'Buy America' compliant components. Download Datasheet. …

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  • Welcome to Petroleum and Natural Gas Regulatory

    2020-7-27 · One (1) number 10 kg DCP based and one (1) number 2 kg CO2 based. 100% spares for CO2 cartridges and 50% spares for DCP cartridges shall be stored . Gas receipt delivery terminals ; One (1) number 75 kg and one (1) 10 kg DCP based and one (1) number 2 kg CO2 based. 100% spares for CO2 cartridges and 50% spares for DCP cartridges shall be stored

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  • Taiwantrade | Sourcing quality Taiwan products,

    2021-7-5 · Taiwantrade is a Taiwan B2B e-marketplace to help global buyers find Taiwan products, manufacturers, suppliers, exporters, wholesalers, trade leads and information on trade shows.

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  • Brochures UK - DYWIDAG-Systems International UK

    Assessment of the DYWIDAG-Systems International recostal ® RSH Key Profiled EC2 Starter Pack. 07th November 2019. 2.07 MB Download.

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  • Permanent (DCP) Anchors - DSI Underground Austria

    7. Corrosion Protection Compound 8. Sealing Rings 9. Corrugated Sheathing 10. Bare Strands 11. Spacer 12. Grout Body

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  • Ground Support Brochure - Sandvik Mining and Rock

    When handling Sandvik rock bolts, be aware of the bolts mass and use correct handling techniques; crates can be stacked a maximum of four (4) high on compact and level ground, and one (1) high in all other instances. Use of Sandvik rock bolts may require the operator to enter the machine boom area, always ensure the boom is isolated in accordance

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  • GEWI Plus Geotechnical Systems

    2019-4-30 · rock bolts and soil nails bar diameters from 18 to 75 mm yield loads from 160 to 2,960 kN ultimate loads from 200 to 3,535 kN all systems in accordance with the latest European standards and provisional European standards corrosion protection systems complying with the latest developments and European stan-dards

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  • Ground Anchors | Bachy Soletanche

    Lake Mead Intake Tunnel No. 3 stabilized using DSI Rock Support… Hoover Dam in Lake Mead supplies 90 % of the water for las… Tunneling Systems and Machine Technology for Tysons Corner,…

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  • Case Studies - DSI Underground Canada

    DPC (or Damp Proof Course) are widely used in the construction of new builds, as a preventative method to rising damp and penetrating damp.. Approved Document C of Building Regulations suggests that any DPC membrane should be: Continuous with any damp-proof membrane in the floor; A minimum of 150mm above the adjoining ground level (if in an external wall)

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  • DPC Membranes | Building Materials

    Williams 75 All-Thread Rebar is a continuously threaded bar specially designed to be used with fasteners. Common applications for the Grade 75 All-Thread Rebar are tie rods and ground anchors. All-Thread Rebar is available in 11 diameters from #6 (20 mm) through #28 (89 mm) with ultimate tensile strengths up to 961 kips (4274 kN) and lengths up ...

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  • Tie Rods and Tiebacks – Williams Form Engineering

    Source quality products Made in China. Find reliable China Suppliers, Manufacturers, Factories, Wholesalers & Exporters on the leading B2B e-commerce website Made-in-China.com.

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  • Made-in-China.com - Manufacturers, Suppliers &

    2018-4-5 · PETROLEUM AND NATURAL GAS REGULATORY BOARD. NOTIFICATION. New Delhi, the 12th February 2016. G.S.R.Infra T4S P&PPPL/01 /2014. -In exercise of the powers conferred by section 61 of the Petroleum and Natural Gas Regulatory Board Act, 2006 (19 of 2006), the Petroleum and Natural Gas Regulatory Board hereby makes the following regulations, namely:- 1. ...

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  • Welcome to Petroleum and Natural Gas Regulatory

    The 2016 Nissan Quest is not a minivan; it’s the family limo. Featuring a spacious interior, 22 combined MPG. [*] and a starting MSRP as family-friendly as its seating for seven, 2nd-row center console and available DVD entertainment system. You can find the same level of form and function in the 2020 Nissan …

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