rock anchor bolts specifications factory

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).

  • Complete specifications and types of self drilling rock

    The rock anchoring bolt is a precision-machined combination anchor-drill of high-grade steel, specially tempered to insure clean, close-fitting holes and plated to resist rust and corrosion. Eight sharp cutting teeth quickly and accurately drill into masonry materials without fouling. Specifications. T76 Rock anchoring

    Get Price
  • 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

    Get Price
  • World's leading rock bolt manufacturer-Sinorock®

    T130 Large Diameter Rock Bolt. T130 anchor bolt is one of the large diameter rock bolt applied for constructions of shallow buried parts of tunnel portal, sand, gravel, silt, and clays, and in soft to medium fractured rock formations.

    Get Price
  • T30 rock anchor is the preferred rock bolt for granular ...

    T30 rock anchor is suitable for granular soils and fills. This installation method utilizes a Grout Swivel, grout pump and drifter. The technique combines drilling and grouting as a single operation, ensuring that grout is placed over the full length of the borehole.

    Get Price
  • China Hollow Anchor Bolt manufacturer, Rock Bolts,

    2015-7-17 · Established in the year 2006, we are manufacture and supplier of Rock Bolts, Self-Drilling Anchor Bolt, Thread Hollow Bar, Rock rods with ISO 9001: 2008 Certification. Yihong has been striving to provide excellent quality rock drilling tools for tunneling project, mining exploration.

    Get Price
  • Alibaba.com

    Alloy Steel Anchor Bolt R32 Hollow Self Drilling Rock Anchor Bolt. 1.80-10.00 Meter. Get sample info. 50.0 Meters (Min. Order) CN Ksq Technologies (beijing) Co., Ltd. 7 …

    Get Price
  • High Performance Anchor Bolts - Metis® company

    Rock bolts are a type of drilled soil nail or anchor used when the ground to be stabilized consists mostly of rock materials. These types of inclusions are typically grouted in place and posttensioned, similar to soil anchors (Figure 15.8).

    Get Price
  • Rock Bolt - an overview | ScienceDirect Topics

    2021-1-22 · The rock bolts are pulled to design load to check the efficacy of the anchors installed to support the rock mass. Also, the anchors are installed and tested in rock mass to get data for their design as related to their yield. load, ultimate capacity, and requirement of bond lengths. The pull-out test is done until the anchor or the rock fails.

    Get Price
  • Rock Bolt Anchor (Elements) in situ Pull Out Test 54 ...

    2021-7-2 · 7TMW Inc is one of the most trusted manufacturer of Anchor Bolt, Steel Fastener Bolt, Base Plate, Hexagonal Nut, Chemical Bolt, Chemical Epoxy, Machine Bolt and other steel product in the Philippines. With almost 50 years of expertise, We are the number one choice of contractors and engineers around the philippines.

    Get Price
  • T30 rock anchor is the preferred rock bolt for granular ...

    T30 rock anchor is suitable for granular soils and fills. This installation method utilizes a Grout Swivel, grout pump and drifter. The technique combines drilling and grouting as a single operation, ensuring that grout is placed over the full length of the borehole.

    Get Price
  • Practical Rock Engineering Chapter 14 Rockbolts and Cables

    2018-9-21 · installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.

    Get Price
  • Rock Bolt Properties - DSI USA

    DYWIDAG THREADBAR Properties and Hardware Dimensions. 27th March 2018. 265.50 KB Download.

    Get Price
  • DESCRIPTION/SUGGESTED SPECIFICATIONS Wedge Type

    2019-6-25 · DESCRIPTION/SUGGESTED SPECIFICATIONS. ADVANTAGES. Dependable, Heavy-Duty, Inspectable, Wedge Type Expansion Anchor. Trubolt ® Wedge Anchors. n 2015 International Building Code (IBC) Compliant for 1/4” through 1/2” diameters-carbon steel n. Versatile fully threaded design is standard on sizes up to 1” diameter and 10” length n

    Get Price
  • Anchor Bolt Philippines - 7TMW INC

    2021-7-2 · 7TMW Inc is one of the most trusted manufacturer of Anchor Bolt, Steel Fastener Bolt, Base Plate, Hexagonal Nut, Chemical Bolt, Chemical Epoxy, Machine Bolt and other steel product in the Philippines. With almost 50 years of expertise, We are the number one choice of contractors and engineers around the philippines.

    Get Price
  • Quality Self Drilling Anchor Bar & Self Drilling Rock ...

    280kN 0.86Kg/M Self Drilling 28mm Rock Anchor Bolts For Slope Stabilization Weight 0.58Kg/M Internal Diameter 8mm H22 Hollow GFRP Rock Bolts Tensile Load 220kN 300kN Slope Stabilization Hollow 25mm GFRP Rock Bolts

    Get Price
  • Rock Bolt - an overview | ScienceDirect Topics

    Rock bolts are a type of drilled soil nail or anchor used when the ground to be stabilized consists mostly of rock materials. These types of inclusions are typically grouted in place and posttensioned, similar to soil anchors (Figure 15.8).The bolts hold potentially unstable jointed or fractured rock masses together in compression with bearing faceplates providing passive resistance, forming a ...

    Get Price
  • Rock Bolt Anchor (Elements) in situ Pull Out Test 54 ...

    2021-1-22 · The rock bolts are pulled to design load to check the efficacy of the anchors installed to support the rock mass. Also, the anchors are installed and tested in rock mass to get data for their design as related to their yield. load, ultimate capacity, and requirement of bond lengths. The pull-out test is done until the anchor or the rock fails.

    Get Price
  • Understanding Grouted Rock Anchors - Hubbell

    2019-4-22 · The Allfasteners Wedge Anchor is a torque-controlled, wedge expansion anchor for heavy duty fastening applications where high pull out values in concrete are needed. The anchor and the hole diameter are the same, simplifying the anchor installation by placing the anchor through the existing hole in the material to be fastened.

    Get Price
  • Anchor Bolts | Technical Metal

    Anchor Bolts are extensively used on all types of projects, from standard building to dams, bridges, road, power plants etc. Types of Anchor Bolts we manufacture : 1. Straight Anchor Bolt – one end threaded or both ends threaded. 2. J-Type Anchor Bolts. 3. Nut Welded Anchor Bolts. 4. L-Type Anchor Bolts …

    Get Price
  • T30 rock anchor is the preferred rock bolt for granular ...

    T30 rock anchor is suitable for granular soils and fills. This installation method utilizes a Grout Swivel, grout pump and drifter. The technique combines drilling and grouting as a single operation, ensuring that grout is placed over the full length of the borehole.

    Get Price
  • SupHulk Rock Bolt - quality self drilling anchor system

    SupAnchor has achieved the security application of 26,000,000 meters Self drilling hollow bar,Self drilling anchor bar,Self drilling anchor bolt in the world. SupAnchor® is the largest manufacturer of self drilling anchor system in Asia. SDA is a bolt system combined by bar and accessory for unstable conditions which can be drilled and grouted simultaneously.

    Get Price
  • Specifications of Rebar for Rock Bolt Tunnel Support ...

    Rebar Rock Bolts Used in Tunnel. Many projects constructions requires to dig tunnels, such as mining, building tunnels and so on. The excavation of the tunnel will easily loosen the rock structure, which will easily lead to disasters of landslides, it is a threat to people’s personal safety.

    Get Price
  • DESCRIPTION/SUGGESTED SPECIFICATIONS Wedge Type

    2019-6-25 · DESCRIPTION/SUGGESTED SPECIFICATIONS. ADVANTAGES. Dependable, Heavy-Duty, Inspectable, Wedge Type Expansion Anchor. Trubolt ® Wedge Anchors. n 2015 International Building Code (IBC) Compliant for 1/4” through 1/2” diameters-carbon steel n. Versatile fully threaded design is standard on sizes up to 1” diameter and 10” length n

    Get Price
  • Leading anchor bolt manufacturer - Metis®

    2020-3-14 · Metis® is a leading manufacturer of anchor bolt system.It is dedicated to manufacture rock reinforcement products, such as R&T Thread Anchor System,Anticorrosion Rock Bolt,Rock Drill,etc,which mostly used for the the mining,tunneling&civil construction industries.

    Get Price
  • Practical Rock Engineering Chapter 14 Rockbolts and Cables

    2018-9-21 · installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.

    Get Price
  • Anchoring systems for geotechnical engineering

    2017-4-19 · 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 Soft ground: soil nails Soil nails are 20 to 50 mm diameter bars, inserted in 70 to 150 mm bore holes.

    Get Price
  • TECHNICAL DATA SHEET: WEDGE ANCHR

    2019-4-22 · The Allfasteners Wedge Anchor is a torque-controlled, wedge expansion anchor for heavy duty fastening applications where high pull out values in concrete are needed. The anchor and the hole diameter are the same, simplifying the anchor installation by placing the anchor through the existing hole in the material to be fastened.

    Get Price
  • Hilti - 2011 Anchor Fastening Technical Guide

    2012-5-29 · Anchor Fastening Technical Guide 1.0 Introduction 4 Hilti, Inc. (US) 1-800-879-8000 | www.us.hilti.com I en español 1-800-879-5000 I Hilti (Canada) Corp. 1-800-363-4458 I www.hilti.ca I Anchor Fastening Technical Guide 2011 1.1 A bout Published Load Values The Anchor Fastening Technical Guide is intended to We passionately create enthusiastic customers and build

    Get Price
  • Anchor Bolts - Supplier & Manufacturer

    2020-3-14 · T130 anchor bolt is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations. For projects facing such ground conditions, the anchor bolts should be considered as the main productivity solution and designed for optimized installation, tailored to the project's needs.

    Get Price
  • Rock Bolts Anchors | Products & Suppliers |

    Find Rock Bolts Anchors related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Rock Bolts Anchors information. ... 1.1 The objective of this method is to measure the working and ultimate capacities of a rock bolt anchor. This method does not …

    Get Price
  • SPECIFICATION FOR ANCHOR BOLTS AND GROUTING

    2011-1-20 · 4.2 Equipment shall be aligned per specifications LIGO_E1000716 prior to drilling the anchor bolt hole. ... 4.3 Locate and install anchor bolts in accordance with the this specification and the installation drawings. A baseplate hole templa te shall be used to accurately drill all anchor bolt holes. The hole location

    Get Price
  • Anchor Bolts | Technical Metal

    Anchor Bolts are extensively used on all types of projects, from standard building to dams, bridges, road, power plants etc. Types of Anchor Bolts we manufacture : 1. Straight Anchor Bolt – one end threaded or both ends threaded. 2. J-Type Anchor Bolts. 3. Nut Welded Anchor Bolts. 4. L-Type Anchor Bolts …

    Get Price
  • Anchor Bolt Specifications - wsdot.wa.gov

    2001-12-18 · SUBJECT: Anchor Bolt Specifications. The general guidelines for steel bolts have been revised to discourage the use of ASTM A449 anchor bolts in seismic applications. A typical example is anchor bolts for a bridge bearing, fixed for transverse and/or longitudinal seismic loads. Another example is an earthquake restrainer attached to an existing ...

    Get Price
  • Anchor Bolts Manufacturer in India - Ananka Fasteners

    Ananka Fasteners is the best leading Anchor Bolts Manufacturer in India. We, Ananka Fasteners provide Anchor Bolts in different sizes & standards. Anchor Bolts are also available in different materials and grades. Anchor Bolts used for construction materials for projects such as docks, bridges, highway systems, and homes, among other things.

    Get Price
  • Determining Rock Bolt or Anchor Tension Using a Torque

    2016-7-19 · those in which rock bolts are to operate. 9.2 Rock Face.-The rock face surrounding the test locations should be flat and firm. 9.3 Drill Sites.-The drill holes for the rock bolt anchor should be perpendicular to the rock face within a tolerance of ±5 degrees. 9.4 Specifications.-For new installations, inspect the rock bolt, anchor, and the ...

    Get Price
  • R25 rock bolt-Rockbolt.org

    R25 rock bolt is an advanced rock bolt which can ensure the anchoring effect for complex ground conditions. It can be integrated with the functions of drilling, grouting and anchoring to provide higher bonding stress than smooth steel pipe depending on continuous wave thread.

    Get Price
  • J Type Bolts | Technical Metal

    J-bolts are set into fresh concrete. This type of anchor bolt is shaped like the letter J, so it can not be pulled out of the concrete after the concrete has hardened. J-bolt anchoring bolts come in many different lengths, the most common are 6, 8, and 12 inches long. These bolts are threaded at the top, for about two inches, and the rest of ...

    Get Price
  • Guide for Design and Installation of Anchor Bolts Used in ...

    2016-12-11 · Guide for Design and Installation of Anchor Bolts Used in Transportation Structures PARSONS 2-4 BRINCKERHOFF Cast-In-Place Embedded Anchors – Anchors that are positioned before the concrete is cast. Cementitious Grouted Anchors – Mechanical anchors that are installed in a large diameter preformed or drilled hole.

    Get Price
  • 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.

    Get Price
  • Anchor Bolt Specifications - wsdot.wa.gov

    2001-12-18 · SUBJECT: Anchor Bolt Specifications. The general guidelines for steel bolts have been revised to discourage the use of ASTM A449 anchor bolts in seismic applications. A typical example is anchor bolts for a bridge bearing, fixed for transverse and/or longitudinal seismic loads. Another example is an earthquake restrainer attached to an existing ...

    Get Price
  • (September 8, 2020) 2 Rock Bolt and Rock Dowel ...

    2020-9-10 · 6 Rock bolts and rock dowels shall not be precut at the factory to lengths shown 7 in the Plans, but rather shall be delivered to the job site in bulk lengths and 8 field cut to the appropriate lengths. Each rock bolt and rock dowel shall be 9 fitted with a bearing plate, nut, and washers. Prior to placing rock bolts …

    Get Price
  • Guide on Design of post-installed anchor bolt systems in ...

    2018-1-4 · for Use in Concrete (CEN/TS 1992-4) [2] which provides technical specifications on anchor bolt design which is based on the limit state approach. In Hong Kong, the authority provides a list of approved anchor bolts in the Central Data Bank (CDB) [3] which have been tested in accordance with outdated BS 5080 [4] and ETAG 001 [1].

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

    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.

    Get Price
  • Mechanical Rock Bolts - DSI Underground Canada

    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 …

    Get Price
  • Polyester Resin Rock Anchors – Williams Form

    2020-1-20 · FLOW-ROCK may be used to anchor bolts, equipment, machinery, railing, reinforcing rod, signs, posts, etc. It may be used to grout columns, machinery, bearing plates and precast members. FLOW-ROCK meets ASTM C-1107 Grade C. PACKAGING FLOW-ROCK is packaged in 50 lb. reusable pails (36 per pallet), 10 lb. reusable pails, and 5 lb. boxes (12 per ...

    Get Price
  • ANCHORING CEMENT FLOW-ROCK - Lyons Manufacturing

    5.8.5.1 Edge Distance. From a practical point of view, the clear distance for anchor bolts or anchor bolt sleeves to the edge of the concrete shall be a minimum of 100 mm. This clear distance is intended to prevent corrosion and to make sure that the anchor bolts are not in contact with the rebar cage.. ACI 318 requires that cast-in headed fasteners, which will be torqued, have minimum edge ...

    Get Price
  • Anchor Bolt - an overview | ScienceDirect Topics

    2009-8-26 · Rock bolts When rockbolts are installed they modify the ground behaviour and can prevent or restrict rock failure. They do this by transferring load from the unstable part of the rock mass to the rock bolt itself and then into stable ground. The strength of bond between the anchor and the rock is a measure of the effectiveness of this load transfer

    Get Price
  • Rock Anchor, Utility Expanding Rock Anchor

    A rock anchor is an elongated engineering tool, usually made of a sturdy metal such as steel. They are used to transfer tension from the outside to the inside of a solid material such as rock or concrete. The purpose of this to maximise the stability or the safety of the structure (or both).

    Get Price
  • Rock Bolt Properties - DSI USA - dsiamerica.com

    DYWIDAG THREADBAR Properties and Hardware Dimensions. 27th March 2018. 265.50 KB Download.

    Get Price
  • Galvanized Anchor Bolts

    2019-6-25 · DESCRIPTION/SUGGESTED SPECIFICATIONS. ADVANTAGES. Dependable, Heavy-Duty, Inspectable, Wedge Type Expansion Anchor. Trubolt ® Wedge Anchors. n 2015 International Building Code (IBC) Compliant for 1/4” through 1/2” diameters-carbon steel n. Versatile fully threaded design is standard on sizes up to 1” diameter and 10” length n

    Get Price
  • DESCRIPTION/SUGGESTED SPECIFICATIONS Wedge Type

    2021-7-2 · A pigtail bolt is also known as pigtail hook or pigtail eye bolt, it is designed to be used for connecting the dead end clamps and in some cases, it can also be used on the suspension clamp. N eye pigtail bolt can be used on both electric and communication pole line. The reason why it is known as pigtail bolt is because of its shape or design.

    Get Price
  • Self-drilling hollow injection anchor bolt for Mining

    Bonded Rock Anchor Lengths. Embedment depths for pre-stressed resin or cement grout bonded rock anchors are often determined by using the rock cone method as described under Mechanical Rock Anchor Lengths. However, unlike the mechanical anchor, the bonded anchor must also include a bond length in the embedment depth.

    Get Price
  • Permanent (DCP) Anchors - DSI EMEA - DYWIDAG

    2018-11-14 · anchorand is used for fixing the anchor into the rock-mass. 3.5.4 AnchorRope/Cable It consistsofstrandsofsteelwires havinghighyield stress. Generally the steelwires havesize2-7mm diameter. 3.6 Anchoraae This ensures the co-operation of the rock­ medium with the structure, consisting of steel bars/bolts and bundles/strands of steel wires ropes ...

    Get Price