Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).
Rock bolts are fully bonded and unlike ground anchors are passive installations. Unless it has been severely weathered, rock will usually allow for an open hole to be drilled without any risk of collapse. Solid threadbars offer the most efficient means of transferring load …
Get PriceRock 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 ...
Get PriceThe Rock Bolt for permanent Slope Stabilizations, Tunnels and Caverns (with angle compensation) High tensile and mild steel – DYWIDAG THREADBAR ® 1. Ductile Expansion Shell 200 kN Capacity 2.
Get PriceExtremely 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.
Get Price2013-9-17 · Rock Bolts range from cuttable rock bolts for underground coal mining or ground control for mechanical excavations to injection lances or forepoling. DYWIDAG-Systems International provides a diversified portfolio of GRP systems for various applications in Mining, Tunneling, and Civil Engineering which is completed by longtime experience
Get PriceDYWIDAG Rock Bolts. System Description; Anchor Design; Anchor Installation; Rock Bolt Properties; DYWI ® Drill Hollow Bar System. General Notes, Installation Advantages; DYWI ® Drill Hollow Bar System Properties; Installation; Soil Nails; Temporary Ground Anchors; Rock Bolts & Spiles; Installation Accessories; Stressing and Testing; Micropiles. GEWI ® Micropiles. System Description
Get PriceDYWIDAG Soil Nails. History and General Notes; Construction of a Soil Nail Wall; Options for Materials; Corrosion Protection; Bar and Hardware Properties; Anchorage System and Centralizers; Soil Nail Testing; DYWIDAG Rock Bolts. System Description; Anchor Design; Anchor Installation; Rock Bolt Properties; DCP-Rock Bolt; DYWI ® Drill Hollow Bar System
Get PriceRock Bolts. The DYWIDAG supplied mesh range includes two products that are specifically designed for weathered rock or soil retention. High Tensile GREEN (G65/3) and Light Weight GREEN meshes incorporate a three dimensional polypropylene erosion control mat into the high-tensile steel wire mesh. The integrated, reinforced composite is suitable for ...
Get Price2019-7-6 · 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 PriceRock Bolts: Stabilize your project with fully grouted SN Anchors or DYWIDAG Expansion Shell Anchors. Click here for technical details.
Get PriceDYWIDAG Rock Bolts - DCP-Rock Bolt. ... 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.
Get PriceDYWIDAG THREADBAR Properties and Hardware Dimensions. 27th March 2018. 265.50 KB Download.
Get PriceDYWIDAG THREADBAR ® - Technical Data [Imperial Units] 29 th May 2018 186.10 KB Download
Get Price2019-4-30 · 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
Get PriceDrill smallest diameter hole which is compatible with the bolt and cartridge diameter selected. Insert Resin Cartridges. Use fast setting resin for bond length. If full encapsulation is desired, use slow setting resin or cement grout in the upper length to accommodate stressing. Insert DYWIDAG THREADBAR®. Spin bar with drill tool at about 100 rpm.
Get PriceDYWIDAG Bar Anchors. DYWIDAG Threadbar Anchors are an actively tensioned ground anchor system and correspond to DIN 4125 and EN 1537 regulations. Due to the active tensioning, anticipated deformations of the system and deformations at the civil engineering measure are minimized or entirely eliminated. This applies both to temporary structures ...
Get Price2019-4-30 · brittle rock without the need for a casing. Furthermore, the bar features a left-hand thread for standard rotary percussive drilling. Manufactured from high grade steel tubing to EN 10083-1, DYWI® Drill Hollow Bar is cold rolled to form standard rope thread or “T” thread profiles. The DYWI® Drill rolling process refines the grain ...
Get PriceDrill 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.
Get PriceRock Bolts: Stabilize your project with fully grouted SN Anchors or DYWIDAG Expansion Shell Anchors. Click here for technical details.
Get PriceAnchor 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 ...
Get Price2019-4-30 · Rock Bolts Soil Nails Temporary Ground Anchors to BS 8081 : 1989 Permanent Soil Nails Permanent Ground Anchors Plates Flat Plate Formed Plate up to 20° Articulating Plate up to 30° Gusseted Plate up to 45° Nuts Lock Nut Hexagonal Nut Flanged Nut Domed Nut Couplers Static Coupler Dynamic Coupler Contact Coupler Transition Coupler
Get Price2020-10-5 · DYWIDAG Tie Rods 18-19 Key Features Corrosion Protection Options DYWIDAG Tie Rod with Double Corrosion Protection (DCP) Waler Connection Tie Rod Connections Features Couplers and Connections GRADE 75, 80 & 100 DYWIDAG THREADBAR ... Rock and slope stabilization
Get Price2019-4-30 · USA Rock mass was excavated to allow for the installation of a power generator In order to monitor the forces in the anchors during rock excavation, three sensors were installed in each anchor A total of 84 DYNA Force® Sensors were installed in these permanent rock …
Get PriceFeatures. 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.
Get PriceBolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested. Notes DSI Underground Mining Products Division is Quality Assured to ISO 9001:2015, Registration QMS 41328.
Get PriceDrill 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.
Get PriceRock bolts are used alone when the rock consists of large durable blocks, but are better used in combination with wire mesh and shotcrete, with or without steel fibers, when the rock mass is weak. Rock bolts are of two types: point anchored with or without pre-stressing; and cement or resin-grouted rebars. Rock bolts are used to obtain local ...
Get Price2019-4-30 · 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
Get PriceThe 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.
Get Price2013-9-27 · DYWI Inject SILO 8044 – Silicate Injection Resin for Anchors and Rock Bolts 9. ... DYWIDAG-Systems International GmbH Alfred-Wagner-Strasse 1 4061 Pasching/Linz, Austria Phone +43-7229-610 49 0 Fax +43-7229-610 49 80 E-mail [email protected] …
Get Price2018-8-28 · DYWIDAG THREADBAR® DYWIDAG THREADBAR® Anchor – Temporary DYWIDAG THREADBAR® Anchors Key Features Threadbars with proven coarse DYWIDAG thread along the entire length. Bar length can be adjusted on site without any problems Variable anchor head and angle compensation designs Easy handling, tensioning, retensioning or detensioning
Get Price2019-4-30 · USA Rock mass was excavated to allow for the installation of a power generator In order to monitor the forces in the anchors during rock excavation, three sensors were installed in each anchor A total of 84 DYNA Force® Sensors were installed in these permanent rock …
Get Price2018-5-28 · DYWIDAG THREADBARS - TECHNICAL DATA [IMPERIAL UNITS] April 16th, 2018, DSI Surrey, BC STEEL GRADE Nominal Bar Diameter Max. Bar ø Across Ribs Nominal Cross Section ... Rock Bolts Soil Nailing Precast Connections 3/4 #6 0.86 …
Get PriceStrong. DYWIDAG’s high load capacities allow greater spacing for fewer ties and lower labor costs. Light. DYWIDAG ties are 50% lighter than conventional ties. Their lightweight and high strength features save on shipping and labor costs. Versatile. The bars are available in mill lengths and can be cut to fit and/or spliced at any point ...
Get PriceRock Bolts – Solid Bar Product Code Prefix GB Product Code Guide Bolt Type Dia. Length Drive Nut & ... 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.
Get PriceStandard bolt lengths range from 1500mm to 3000mm in 300mm increments. Non-standard lengths are available on application. Kinloc Bolts are supplied in standard packs of 150 bolts. Notes. Only DSI Underground rock bolt components should be used to enable the optimum performance of the bolt system to be obtained.
Get PriceFeatures. 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.
Get Price2013-9-27 · DYWI Inject SILO 8044 – Silicate Injection Resin for Anchors and Rock Bolts 9. ... DYWIDAG-Systems International GmbH Alfred-Wagner-Strasse 1 4061 Pasching/Linz, Austria Phone +43-7229-610 49 0 Fax +43-7229-610 49 80 E-mail [email protected] …
Get PriceDYWIDAG Strand Anchors. Permanent (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 ...
Get PriceDYWIDAG Rock Bolts secure Tunnel for Mölltaler Glacier Express. The world's longest underground cable railway (length 4,796 m) provides an all-year service to the glacier ski-region of Carinthia. The tunnel starts at an altitude of 1,225 m and exits 1,000 m higher, opening an all-year ski resort up to an altitude of 3,105 m.
Get Price2018-5-28 · DYWIDAG THREADBARS - TECHNICAL DATA [IMPERIAL UNITS] April 16th, 2018, DSI Surrey, BC STEEL GRADE Nominal Bar Diameter Max. Bar ø Across Ribs Nominal Cross Section ... Rock Bolts Soil Nailing Precast Connections 3/4 #6 0.86 …
Get PricePermanent Anchors. Long-lasting system for permanent use (more than 100 years) Approved, Double Corrosion Protection (DCP) achieved by grouted corrugated sheathing with controlled crack width. Anchor components in accordance with ETA 05/0123 (bar post-tensioning system) Approved, permanently sealed anchor head design with robust gaskets and caps.
Get PriceBolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested. Notes DSI Underground Mining Products Division is Quality Assured to ISO 9001:2015, Registration QMS 41328.
Get PriceUsing a similar setup, Moosavi et al. (2005) conducted a pull-out test campaign on several types of cement-grouted rock-bolts (ribbed and Dywidag bars), with embedment lengths of 100–150 mm. Table 2 lists the model parameters obtained to fit the pull-out tests conducted on P22 rock-bolts, and Fig. 5 compares experimental and modeled results ...
Get PriceDSI Underground supplies welded, bent, open, and „L“ bolts as well as custom manufacturing them to your length and threading requirements. These bolts are generally used for hanging piping, cable, and equipment. High strength steel. Grade 100 K. Bar diameteres: 5/8', 3/4', 7/8'.
Get PriceFillet on Forged Head Rebar - Forged head rebar bolts should be inspected to ensure a fillet of 1/8' radius is present where the shaft connects to the forged head. Sharp transitions may weaken the bolt. Shelf Life of Resin - Resin has a practical shelf life. Although the chemical ingredients do not change with time, most resin cartridges are water based and thus dry out with age.
Get Price70,000 lbs. (310 kN) 100,000 lbs. (445 kN) 2.67 lbs/ft. (3.98 kg/m) Also available hot dip galvanized to ASTM A123 and CSA G164 specifications. All mechanical and physical properties in accordance with ASTM A615-92b and CSA G30.18M-92 specifications. Threadbar is …
Get Price