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  • GEWI ® - DYWIDAG-Systems International UK

    The most common sizes of GEWI ® bar used in rock-bolting applications are 25 - 32mm. The GEWI ® product comes with a full range of accessories including eye-nuts, domed nuts & hemispherical washers, wedge bosses to increase head plate articulation and full strength couplers. Modulus of Elasticity: E = 205,000N/mm 2 +/- 5%; Stock Lengths

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  • GEWI ® Threadbar - DSI Underground Australia

    Major Bar Diameter. 27.9mm max. Cross Sectional Area. 491mm². Rolled Thread. -. Key Features. This bolt is hot rolled with deformations that form a coarse left hand thread (10mm pitch) over its entire length. The threadbar form provides good load transfer properties.

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  • GEWI ® Plus - DYWIDAG-Systems International UK

    DYWIDAG-Systems International has developed the GEWI® Plus system to meet the challenges driven by a need for higher load capacities in smaller structural cross sections. GEWI® Plus offers an increase in strength compared to traditional GEWI® Threadbars. GEWI® Plus has a yield strength of 670N/mm 2 – an increase of 34% and an ultimate strength of ...

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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.

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  • Rock Bolts and Meshes - DYWIDAG

    2020-11-9 · Rock Bolts GEWI® GEWI® Steel High Yield Threadbars are formed from a high tensile alloy steel The bars are manufactured with a coarse left-hand thread over their full length GEWI® couplers can provide a 100% load transfer between lengths of bar The bar is also manufactured with flats on either side; these allow the self

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  • Products - DYWIDAG-Systems International UK

    Rock Bolts and Meshes. Stabilisation vs. Drapery. Passive Drapery Systems; Stabilisation Systems; Rock Bolts. GEWI ® GEWI ® Plus; Expansion Shell Anchors; Accessories. Bearing Plate; Resins; Grout Sock; Meshes. Key Features; Geocomposites; DYWI ® Mat; Wire Rope; DYWIDAG HCR Stainless Steel; Marine Rock Bolting - Marine Grade Meshes; DYWIDAG Form Tie Systems. Threadbars

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  • Rock Bolts - DYWIDAG-Systems International UK

    Rock Bolts. Rock Bolts are generally formed from solid threadbar systems, i.e. bar, nut, couplers and plates. The steel threadbar is used to bond unstable rock to stable sections, beyond the face, and requires both capacity for tensile and shear loads. Rock bolts are fully bonded and unlike ground anchors are passive installations.

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  • Expansion Shell Anchors - DYWIDAG-Systems

    Rock Bolts and Meshes. Stabilisation vs. Drapery. Passive Drapery Systems; Stabilisation Systems; Rock Bolts. GEWI ® GEWI ® Plus; Expansion Shell Anchors; Accessories. Bearing Plate; Resins; Grout Sock; Meshes. Key Features; Geocomposites; DYWI ® Mat; Wire Rope; DYWIDAG HCR Stainless Steel; Marine Rock Bolting - Marine Grade Meshes; DYWIDAG Form Tie Systems. Threadbars

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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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  • Resins - DYWIDAG-Systems International UK

    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. The fast cure time of Fasloc ® resin cartridges offers installation benefits for roped access work, as well as for rail possessions or night closures.

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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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  • Bored micropile - GEWI® PILES - DYWIDAG-Systems ...

    Our rock bolt system disposes of an excellent force borehole ratio. Another alternative that is primarily used for rock bolting and roadway support is the use of fully grouted rock bolts SN Anchors that are used in conjunction with an expansion shell, ensuring immediate load-bearing capacity in the borehole and thus efficient stability for ...

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

    The GEWI® Rock Bolts with their total length of 1,300m were used for securing the protective mesh, which was attached to the rock face.The GEWI® Rock Bolts were bored into the rock in individual lengths of approximately 3m, post-tensioned and subsequently injected with grout.

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  • Stabilization of Rock Face with Rock Bolts | DYWIDAG

    2021-7-7 · Gewi Plus Systems offer the latest threadbar technology. complete systems for piles, anchors, 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

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  • Gewi Plus Bar | Lemon Groundwork Solutions Shop

    Rock Bolt Cutter Features: - Traditionally the task of cutting thread bar bolts (gewi bar) and cable bolt tails has been a challenging and dangerous exercise with operational and safety concerns associated with grinding and oxy cutting.

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  • Rock Bolt Cutter, बोल्ट कटर in Chembur West,

    The minimum order value of rock bolt buyers on ExportHub is 0.01 USD while the maximum Order Value is 1600 USD. The total business generated in rock bolt category is 147499 USD last month. The top varieties of rock bolt products include rock anchor bolts, self drilling anchor, rock anchor, ground anchor.

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  • Rock Bolt - Rock Bolt Latest Price Suppliers &

    Rock bolts limit the loosening of blocks out of the rock mass and shear displacements. Furthermore, the frictional force between individual rock layers is increased. Anchors with a variable anchor length enable pre-tensioning and thus an active force transmission. GEWI ® Mining Anchors and Mechanical Anchors Type ALWAG are wellestablished ...

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

    About products and suppliers: rock anchor bolt are very useful elements for a countless number of purposes, both commercial and residential. Alibaba.com offers you a broad range of rock anchor bolt to use for several distinct applications whether for hanging anything on the wall or securing any base during construction. These rock anchor bolt high in quality and extremely durable, holding ...

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  • High-Quality, Durable & Robust rock anchor bolt -

    Accessories for Rock and Roof Bolts Drilling Equipment Mechanical Expansion Shells. Friction Anchors. Friction Bolts. Speciality Anchors. Double Corrosion Protection (DCP) Bolts GEWI. Rocbolt Catalog. Mechanical Anchor Bolt. About Us Products Contact Us. ROCBOLT Technologies, Johannesburg, South Africa, + 27 11 878 6800 ...

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  • High-Quality, Durable & Robust rock anchor bolt -

    About products and suppliers: rock anchor bolt are very useful elements for a countless number of purposes, both commercial and residential. Alibaba.com offers you a broad range of rock anchor bolt to use for several distinct applications whether for hanging anything on the wall or securing any base during construction. These rock anchor bolt high in quality and extremely durable, holding ...

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  • Mining | rocbolt

    Accessories for Rock and Roof Bolts Drilling Equipment Mechanical Expansion Shells. Friction Anchors. Friction Bolts. Speciality Anchors. Double Corrosion Protection (DCP) Bolts GEWI. Rocbolt Catalog. Mechanical Anchor Bolt. About Us Products Contact Us. ROCBOLT Technologies, Johannesburg, South Africa, + 27 11 878 6800 ...

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  • Soil anchors & Post-tensioning systems | GEWI bars

    Anchor bolts in harbour constructions. . The GEWI bars can be delivered in dimensions ø12 - ø63.5 mm. The steel has a yield strength/ultimate strength of 500/550 N/mm. . The advantages of using GEWI steel are many. First of all the bars are made of steel55 (Ultimate strength 550 MPa) and NOT of …

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  • Mechanical Anchors and Rebar Rock Bolts - Dywidag Norge

    2013-9-22 · Rock bolts limit the loosening of blocks out of the rock mass and shear displacements. Furthermore, the frictional force between individual rock layers is increased. Anchors with a variable anchor length enable pre-tensioning and thus an active force transmission. GEWI® Mining Anchors and Mechanical Anchors Type ALWAG are well-

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  • GEWI Steel Threadbars - DSI Civil

    2019-4-30 · GEWI® Standard GEWI® Steel Threadbars GEWI® Plus mm N/mm 2 kN kN kN mm 2 mm mm Kg m 16 121 101 85 201 18 8 1.58 20 188 157 132 314 23 10 2.47 25 295 246 206 491 28 12. 5 3.85 28 500 600 370 308 259 616 32 14 4.83

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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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  • Handan Yidao Metal Products Co., Ltd. - Rock Bolt, PT

    1.0 Tons (Min. Order) PSB950 PSB1080 hot rolled thread bar for Soil nailing or Rock bolt. Steel. Bolt Anchor. 500.00 - 1,000.00 Metric Ton. 1.0 Metric Tons (Min. Order) PSB830,PSB930,PSB1080 high strength steel bar /prestressed anchorage/post tension bar/PT BAR.

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  • Alibaba Manufacturer Directory - Suppliers,

    Factory direct price m8 din 930 hex bolt astm a307 grade 4.6 m6x16 a4-70. Country/Region: China. Main Products: Bolts ,Nuts,Machine screws,Self Drilling Screws,Self Tapping Screws. Total Revenue: US10 Million - US50 Million. Top 3 Markets: South America 15% , Western Europe 10% , North America 10%.

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  • Dynamic OMEGA-BOLT® - DSI Underground Canada

    The Dynamic OMEGA-BOLT ® is an evolution of the DSI Underground OMEGA-BOLT ® a high pressure inflatable friction bolt, used to secure a great variety of ground conditions, subjected to different stress conditions. All OMEGA-BOLT ® systems are based on a steel tube, longitudinally formed in its typical omega (Ω) shape and made pressure tight by welded bushings on each end.

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  • The Syracuse-Gela Motorway on Sicily: DYWIDAG

    Types 22-0.62, 19-0.62' and 12-0.62' DYWIDAG Strand Tendons with MA Anchorages including accessories; 20t of 28mm Ø GEWI ® Rock Bolts Indietro Altre progetti Editore

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  • Swellex Rock Bolts, Swellex Bolts -ZongXiang

    Swellex Rock Bolts. Price:according to your drawings. Material::S275JR, S355MC, S355JR. Size:Pm12, Pm16, Pm24, Mn12, Mn. DESCRIPTION: Swellex expandable rock-bolting system has gained wide recognition in the mining and tunneling industry.

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  • FRP Bolt - Fiber Reinforced Plastic Bolt Latest Price ...

    Rock Bolts Ask Price. GFRP Roof And Rock Bolts FRP Rock bolts offer an useful alternative to the commonly used steel rock bolts. These products are most common support system in the mining industry and are widely used in coal mines. FRP Rock bolts are featured with high tensile strength, low weight and easy handling under the most confined

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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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  • Handan Yidao Metal Products Co., Ltd. - Rock Bolt, PT

    1.0 Tons (Min. Order) PSB950 PSB1080 hot rolled thread bar for Soil nailing or Rock bolt. Steel. Bolt Anchor. 500.00 - 1,000.00 Metric Ton. 1.0 Metric Tons (Min. Order) PSB830,PSB930,PSB1080 high strength steel bar /prestressed anchorage/post tension bar/PT BAR.

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  • Bolt Spinners - Crowder Supply

    2010-8-13 · Steel High Yield Threadbar is a high tensile alloy steel bar which features a coarse left-hand thread over its full length. The system is proven worldwide and offers versatility in a range of applications.

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  • GEWI Steel High Yield Threadbar System - Joostdevree.nl

    Specialist Construction Supplies Limited offer a range of Formwork products, including the full Dividag system ,Thruty Sleeve, Thruty Cones, Wing Nuts, Waler Plates, Tie Bars, Aquaplugs,Shutterfill, Tie Hole Fillers, Beamform Shuttering, Hyrib Shuttering, Groutcheck foams and tapes,Column Formers, Clayboard ,Claymaster,Claylite,Clayfill, Voidformers and more.

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  • Stiff Split Set Stabilisers - Split Set Mining Systems

    Odoland Rock Climbing Holds Set with Climbing Rope Ladder, Auxiliary Climbing Handle and Mounting Bolts - Kid Climbing Grips DIY Rock Stone Wall Suits Children and Youth 4.7 …

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  • Formwork Products | dividag system | Dywidag

    Eye bolt expansion shell mining Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Eye bolt expansion shell mining, quarry, aggregate, and different kinds of minerals.

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  • Swellex Rock Bolts, Swellex Bolts -ZongXiang

    Swellex Rock Bolts. Price:according to your drawings. Material::S275JR, S355MC, S355JR. Size:Pm12, Pm16, Pm24, Mn12, Mn. DESCRIPTION: Swellex expandable rock-bolting system has gained wide recognition in the mining and tunneling industry.

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  • FRP Bolt - Fiber Reinforced Plastic Bolt Latest Price ...

    Rock Bolts Ask Price. GFRP Roof And Rock Bolts FRP Rock bolts offer an useful alternative to the commonly used steel rock bolts. These products are most common support system in the mining industry and are widely used in coal mines. FRP Rock bolts are featured with high tensile strength, low weight and easy handling under the most confined

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  • Rock Drilling – Railway Vegetation Management

    2021-7-24 · Rock Bolts, Soil Nails and Ground Anchors WTL are installers of the following products: Dywidag drill system, Soil Nails and Ground Anchors for loose or collapsing soils. Dywidag Gewi Steel High Yield Threadbar Ground Anchors. Tei 3 Grip-Bar Anchor Systems for Soil Nailing and Rock Bolts. Weldgrip Gripforce and Fibregrip Rock Bolts.

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

    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

    Bolts. Rawlplug 4 x Hex Head Screw Bolts with Flange - Silver (12.5 x 65mm) 0.0 out of 5 stars. Select nearest store. R123. Each. Deliver. Collect. MORE INFO.

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  • self drilling anchor rock bolts systems manufacturers

    Threads. Williams All-Thread Rebar has a cold rolled, continuous, rounded course thread form. Williams special thread (deformation) pattern projects ultra high relative rib area at 3 times that of conventional rebar. This provides for superior bond performance in concrete. Because of the high thread pitch and the full 360 degree concentric thread form, Williams All-Thread Rebar should only ...

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  • Bolts | Fasteners | Fasteners Fixtures & Security ...

    Southway Trading is a leading Supplier and Wholesaler of All Kinds of Bolts and Nuts, Screws and Washers in the Philippines

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  • Grade 75 & Grade 80 All-Thread Rebar – Williams

    DSI acquires the rights of the JFP 95 Dust Suppressant for Reducing Dust Concentration in Mining The JFP 95 Blue Anti-Static Dust Suppressant marks DSI’s continuing expansion into chemical products for the Underground industry. DSI plans to use the existing distribution network that was established by WB Mining along with its own global sales network to market and sell the JFP product line ...

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