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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.
Get PriceProtection 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 ...
Get PricePermanent (DCP) Anchors; Temporary Anchors. Temporary Anchor with Removable Free Length; Equipment; GEWI ® Pile System; DYWIDAG Soil Nails. Accessories; Testing; DYWI ® Drill Hollow Bar System; DYWIDAG Tie Rods; DYWIDAG Equipment; Hulk Earth Anchors; Rock and Roof Bolts; Tunneling Products & Systems. CT-Bolt; DCP Bolt, 310 kN. DCP Bolt, 579kN ...
Get PriceTensioning Equipment. Mechanical Anchors. Seismic. YIELD-LOK Bolt High Energy Absorption Mesh (HEA) Accessories. Accessories for Rock and Roof Bolts Drilling Equipment Mechanical Expansion Shells. Friction Anchors. Friction Bolts. Speciality Anchors. Double Corrosion Protection (DCP) Bolts ...
Get PriceRock anchors are post-tensioned tendons installed in drilled holes for which at least the entire bond length is located in rock. The anchor force is transmitted to the rock by bond between the grout body and the rock. Rock anchors can remain unbonded in the free stressing length allowing the anchor to be checked and re-tensioned at any time.
Get Price2020-2-24 · the DCP bolt ranks as the most corrosion resistant [14]. However, shear displacement along rock defects following rock bolt installation can reduce the longevity, and at higher strains, the integrity of installed DCP bolts. This was demonstrated in [1] where rupture of the protective sheath surrounding the bolt was observed at 15 mm and 18 mm shear
Get Price2021-7-14 · ROCK BOLTS AND ANCHORS BluGeo LP Rock Bolt DCP LOW PROFILE STEEL RIGID ANCHOR BluGeo LP Rock Bolt has a low-profile head and is an extremely durable, high strength bolt, manufactured from Australian Standard steel, and polyethylene sleeve. The simple design facilitates ease of installation. BluGeo LP Rock
Get PriceThe BluGeo range covers a variety of ground anchors and ground support products including GRP, soil nails, rock bolts and self-drilling anchors. These are well suited to both temporary, removable and permanent ground stabilisation applications. GRP. BluGeo GRP60. GRP …
Get PriceTensioning Equipment. Mechanical Anchors. Seismic. YIELD-LOK Bolt High Energy Absorption Mesh (HEA) Accessories. Accessories for Rock and Roof Bolts Drilling Equipment Mechanical Expansion Shells. Friction Anchors. Friction Bolts. Speciality Anchors. Double Corrosion Protection (DCP) Bolts ...
Get Price2010-9-10 · “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.
Get PriceRock bolts are formed from the bar, nut, couplers, and plates of solid DYWIDAG Threadbar™ systems. Unlike ground anchors, they are fully-bonded passive installations. Solid steel DYWIDAG Threadbars™ offer the most efficient means of transferring load and maintaining the smallest diameter borehole—saving time and money.
Get PriceDYWIDAG 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 ...
Get Price2021-7-14 · ROCK BOLTS AND ANCHORS BluGeo LP Rock Bolt DCP LOW PROFILE STEEL RIGID ANCHOR BluGeo LP Rock Bolt has a low-profile head and is an extremely durable, high strength bolt, manufactured from Australian Standard steel, and polyethylene sleeve. The simple design facilitates ease of installation. BluGeo LP Rock
Get PriceRock 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 …
Get PriceJENNMAR Civil was founded in 2013. JENNMAR Civil is dedicated to providing products and services to the Civil Construction and Tunneling industries. We’ve made key acquisitions of people and equipment to further enhance our deep commitment to serve the tunneling industry. Our primary product roster includes M3® expandable rock bolts, FRICTION-LOK® stabilizer systems, Fast Anchors™ DCP ...
Get PriceThe BluGeo range covers a variety of ground anchors and ground support products including GRP, soil nails, rock bolts and self-drilling anchors. These are well suited to both temporary, removable and permanent ground stabilisation applications. GRP. BluGeo GRP60. GRP …
Get PriceSystem Description. DSI’s Multistrand Rock and Soil Anchor System is based on the proven prestressing technology of the DYWIDAG Post-Tensioning System and decades of experiences in anchor technology for permanent and temporary applications. Basic system components: 0.6' dia. 7 wire 270 KSI (1862 MPA) strands – bare or epoxy coated. Bearing ...
Get PriceWilliams’ product lines are supported by Williams’ Engineering Department; engineered shop drawings, calculations, installation and testing equipment, and on-site Technical Assistance is available upon request. The success of your project is important to us!
Get PriceThe DCP-Ten can be post grouted immediately or at any time later using grouting equipment. Overview The DCP cable bolt is the flexible cable version of a tried and proven solid DCP bolt. Pumped grout flows from the side entry port up the annulus between cable and …
Get PriceLong-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 one corrugated sheathing ...
Get Price2021-7-8 · Immediate and permanent rock bolting solution GEOTEC™ Steel Combination Bolt is suitable for the most stringent requirements. A mechanical bolt combined with a corrugated pipe and a double grout layer all along tendon to provide both high bonding and protection against corrosion (similar to Double Corrosion Protection DCP).
Get Price1. Cover Cap 2. Wedge 3. Wedge Plate 4. Bearing Plate 5. Greased & PE or PP Extruded Epoxy Coated Strand in Unbonded Length 6. Trumpet 7. Corrugated Sheathing (Optional)
Get PriceSingle corrosion protected anchors are used for temporary anchors and sometimes for permanent anchors in non-aggressive rock or soil. A HDPE or PVC sheathing covers the free stressing length. The THREADBAR ® is coated with a corrosion inhibitor before the polyethylene sheathing is installed. The bond length is covered with cement grout.
Get Price2017-4-19 · 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
Get Price2017-11-22 · rock bolting applications are widely operated in underground mines, ground engineering and tunnelling fields. In the first part of this study, the relationships between rock bolts and rock mechanics as well as the positive outcomes of the usage of rock bolts applied in underground mining and construction have been investigated.
Get Price2020-5-28 · Kiama DCP 2012 – Chapter 9. Industrial Uses |9.5 b) Provision of drainage of excess water from behind the rock face and the area just beyond the crest of the rock face, to prevent the build up of excessive water pressures. c) Removal of vegetation from the slope and poisoning of roots to ensure regrowth does not occur.
Get Price2019-4-30 · 2 steel grade yield tensile nominal cross sectional weight load ultimate strength strength diameter area per metre at yield load [N/mm 2] [N/mm ] [mm] [mm2] [kg/m] [kN] [kN] GEWI®Plus 670 800 30 707 5.55 475 565 GEWI®Plus 670 800 35 962 7.55 640 770 GEWI®Plus 670 800 43 1,466 11.51 980 1,170 GEWI®Plus 670 800 57.5 2,597 20.38 1,740 2,080 GEWI®Plus 670 800 63.5 3,167 24.86 …
Get PriceLong-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 one corrugated sheathing ...
Get Price2021-7-8 · Immediate and permanent rock bolting solution GEOTEC™ Steel Combination Bolt is suitable for the most stringent requirements. A mechanical bolt combined with a corrugated pipe and a double grout layer all along tendon to provide both high bonding and protection against corrosion (similar to Double Corrosion Protection DCP).
Get PriceSingle corrosion protected anchors are used for temporary anchors and sometimes for permanent anchors in non-aggressive rock or soil. A HDPE or PVC sheathing covers the free stressing length. The THREADBAR ® is coated with a corrosion inhibitor before the polyethylene sheathing is installed. The bond length is covered with cement grout.
Get Price2017-9-13 · 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
Get Price2017-4-19 · 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
Get Price2018-9-10 · GEWl® Soil and Rock Bolts DYWI® Drill Soil and Rock Bolts Slope Stabilization and Sidehill Cuts The development and expansion of infrastructure – and, more specifically, the construction of high-speed corridors – poses significant requirements in terms of route planning. The expansion of motorways by adding more lanes often
Get PriceDYWIDAG THREADBARS ® are stressed using compact lightweight hydraulic jacks. In most cases handled by one man, the jack fits over a pull rod designed to thread over the THREADBAR ® protruding from the anchor nut. The jack nose contains a socket wrench and ratchet device which allow the nut to be tightened as the THREADBAR ® elongates. 1-3/4 and 2-1/2 bars utilize specially equipped center ...
Get Price2018-3-12 · DYWIDAG Wind Energy Anchor Bolts 08 th December 2016 351.10 KB Download
Get Price2019-4-30 · 2 steel grade yield tensile nominal cross sectional weight load ultimate strength strength diameter area per metre at yield load [N/mm 2] [N/mm ] [mm] [mm2] [kg/m] [kN] [kN] GEWI®Plus 670 800 30 707 5.55 475 565 GEWI®Plus 670 800 35 962 7.55 640 770 GEWI®Plus 670 800 43 1,466 11.51 980 1,170 GEWI®Plus 670 800 57.5 2,597 20.38 1,740 2,080 GEWI®Plus 670 800 63.5 3,167 24.86 …
Get PriceResearch and Development – Underground. As the market leader, DSI Underground is present in all global underground regions, delivering customized solutions to clients around the world. DSI Underground research and development is extremely important because it has improved the ergonomics of the jobs our clients perform and also improves the ...
Get PriceSingle 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 ...
Get PriceDouble 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 ...
Get PriceRock bolting of the stations involved the installation of over 25,000 rock bolts, including the recently developed DSI DCP Bolt. Features such as its ease of installation, durable sheathing and simple grouting connection resulted in the bolt being selected for the project.
Get Price2012-2-21 · 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.
Get PriceAutomatic Dynamic Penetrometer Dpl Dpm, Automatic DCP Dynamic Cone Penetrometer, Dynamic Penetrometer Light Dpl with Pneumatic Dr manufacturer supplier in China, offering Soil Automatic Dynamic Cone Penetrometer, Rock Disintegration Resistance Tester Automatic, Speedy Calcium Carbide Meter Kit/Soil Moisture Content Test and so on.
Get Price2017-12-18 · SAS ROCK BOLTS For minor rock slope stabilization projects, engineers and contractors use the proven SAS thread bar system for non-stressed or stressed rock bolts. For non-stressed rock bolts, SAS thread bars Grade 75/80 ksi per ASTM A 416 can be used, while for stressed bolts Grade 150 ksi per ASTM A 722, Type II, is applicable.
Get PriceTHREADBAR ® Reinforcing System. Components of the THREADBAR ® Reinforcing System are manufactured in the United States and Canada exclusively by DYWIDAG-Systems International.. THREADBAR ® Reinforcing Steel is available in Grades 75 and 100 for sizes #6 through #11, Grade 80 and 100 for #14 through #20, and Grade 75 for #24 and #28 bar. Grade 75, 80 and 100 conform to …
Get Price2019-4-30 · 2 steel grade yield tensile nominal cross sectional weight load ultimate strength strength diameter area per metre at yield load [N/mm 2] [N/mm ] [mm] [mm2] [kg/m] [kN] [kN] GEWI®Plus 670 800 30 707 5.55 475 565 GEWI®Plus 670 800 35 962 7.55 640 770 GEWI®Plus 670 800 43 1,466 11.51 980 1,170 GEWI®Plus 670 800 57.5 2,597 20.38 1,740 2,080 GEWI®Plus 670 800 63.5 3,167 24.86 …
Get Price2020-5-28 · Kiama DCP 2012 – Chapter 9. Industrial Uses |9.5 b) Provision of drainage of excess water from behind the rock face and the area just beyond the crest of the rock face, to prevent the build up of excessive water pressures. c) Removal of vegetation from the slope and poisoning of roots to ensure regrowth does not occur.
Get Price2021-7-17 · Formworks ThreadBar TieRod WingNut SteelCone. Standard length 6.0 m. Designed for lock rebar by compressed spring for rebar Dia. 6mm., 9mm. and 12mm. Harden SteelWith high durable spring. Wing Nut Base 35/60/100mm. WatertightCoupling PlasticCap for …
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