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  • Rock Testing Equipments - Rock Bolt Pull Out Test

    Rock Bolt Pull Out Testing Machine Capacity with Testing 100T Application PZ Series rock bolt pull out test machine applies to test pull-out resistance of various kinds of rock bolt, anchor cable, rebar, embedded steel bars, expansion bolt, chemical anchor bolt, railspike and other anchoring parts.

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  • Rock Bolt Pull Out Test Apparatus – Sun LabTek

    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.

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  • China Rock Bolt Pull out Testing Machine Capacity

    2018-4-1 · The pull test results were normalised with respect to bolt bond length 1 to allow a comparison between the stiffness of the different bolts installed in the various rock mass units. Comparing stiffness is useful as the difference between acceptable and poor results is readily apparent.

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

    2012-8-29 · pull tests (SEPT), in which only the top 12 in of the bolt is grouted (figure 4). The Grip Factor (tons per inch) is calculated as: Grip Factor = Maximum SEPT Load (tons)/12 in SEPT have been used since the earliest days of resin bolts (9). They are widely employed internationally today, and are even required in the U.K. (10).

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  • Results of pull tests of rock bolts and cable bolts in ...

    transducer shall be supported from a point no closer than 3 ft 5.5 In establishing a testing program, the following factors (0.9 m) to the reaction frame, if attached to the same rock face. should be considered: The support shall be sufficiently rigid that no deflection or 5.5.1 Anchor pull tests should be conducted in all rock types instability occurs during testing. in which construction bolts will be installed.

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  • ANCHORAGE PULL TESTING FOR FULLY GROUTED ROOF

    5.1 Rock bolts are used for support in a variety of mining and civil engineering situations. 3 The pull test may be used to provide a quantitative measure of the relative performance of different anchor systems in the same rock type. Anchor systems may be different mechanical anchors or different bond materials or lengths for grouted anchors.

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  • (PDF) Standard Test Method for Rock Bolt Anchor Pull

    2017-10-1 · Laboratory pull-out tests were conducted on the following rock bolts and cable bolts: steel rebars, smooth steel bars, fiberglass reinforced polymer threaded bolts, flexible cable bolts, IR5/IN special cable bolts and Mini-cage cable bolts. The diameter of the tested bolts …

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  • ASTM D4435 - 13e1 Standard Test Method for Rock

    2016-4-6 · The pull collar is placed over the friction bolt between the wall plate, and the welded ring before driving the bolt into the hole. Once the friction bolt is installed in the rock face, with the pull collar in place, the pull tester can be put into position. The pull tester has an anvil designed to …

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  • Rock Bolt Pull Out Test Apparatus - | Zeal International

    Rock Bolt Pull Out Test Apparatus. ZI 6013. Standards:IS 11309, ASTM D 4435. Specification: The objective of the test method is to measure the working and ultimate capacities of rock bolt anchors.

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  • ANCHORAGE PULL TESTING FOR FULLY GROUTED ROOF

    2012-8-29 · ANCHORAGE PULL TESTING FOR FULLY GROUTED ROOF BOLTS Christopher Mark, Rock Mechanics Team Leader Craig S. Compton, Engineering Technician David C. Oyler, Mechanical Engineer Dennis R. Dolinar, Mining Engineer National Institute for Occupational Safety and Health

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  • Pull Test Equipment - DSI Underground Austria

    2019-5-29 · Pull testing equipment is required for non-destructive and destructive pull-out tests on anchors and bolts. Pull-out tests on anchors and bolts are performed for supervision of the bolting quality. Depending on the type and design of the bolt in use, different testing equipment is utilized. Depending on the operation purpose, modularly designed ...

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  • Rock Bolt Pull Out Test Apparatus, पुल टेस्टर, पुल

    Zeal International - Offering Rock Bolt Pull Out Test Apparatus, पुल टेस्टर, पुल परीक्षक, Rock Testing Equipment in Kirti Nagar, New Delhi, Delhi. Read about company. Get contact details and address| ID: 14283112073

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  • Augmenting the in-situ rock bolt pull test with ...

    2020-2-1 · The coaxial pull test is a commonly practiced procedure for assessing the in-situ load capacity of tendon support elements, including rock bolts, cables, and other ground anchor variations. The procedure involves installing the support element in agreement with the normal operational procedures/protocols at the given site and subsequently ...

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  • Tension Jack/Pull Test Kit - DSI Underground Canada

    2017-2-28 · The pull test kit consists of two assemblies: a mechanical assembly which includes a claw, stand, nut, & spindle. a hydraulic assembly which includes a hollow core ram, hand pump, gauge, & hose. The gauge measures pressure, which is easily converted into tons of load. Suitable for testing virtually all types of rock bolts and soil nails.

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  • (PDF) Standard Test Method for Rock Bolt Anchor Pull

    Designation: D 4435 – 84 (Reapproved 1998) Standard Test Method for Rock Bolt Anchor Pull Test1 This standard is issued under the fixed designation D 4435; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

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  • Thiessen Pull Test Kit 30 TEAM

    2015-12-21 · Rock Bolt Soil Nail Pull Test Collar IMPORTANT - NOTE ORIENTATION OF COLLAR ... • Suitable for tensioning Dywidag threadbar and testing virtually all types of rockbolts and soil nails • When testing Split Set , Swellex , or forged head bolts, the pull collar must be put onto the bolt BEFORE installation of the bolt • 30 ton units ...

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  • Dynamic Testing of Friction Rock Stabilisers

    2020-8-25 · The testing of friction rock stabiliser bolts such as the Split Set (oversize c-section driven into an undersized hole and referred to as split tube bolt in this paper) and the Omega bolt (inflatable closed steel tube of the same principle and made in the same factory as the Atlas Copco

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  • Performance of a New Yielding Rock Bolt Under Pull

    2019-3-11 · The rock bolt specimens were pulled on a test rig specially constructed for bolt testing. The test rig mainly consists of a steel tube, with a length of 460 mm. The steel tube is 74/54 mm in outer/inner diameter. The steel tube is filled with concrete to simulate the rock mass. A borehole with a diameter of 30 mm is drilled to install the bolt.

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  • Rock Bolt Pull Out Test Apparatus - | Zeal International

    Rock Bolt Pull Out Test Apparatus. ZI 6013. Standards:IS 11309, ASTM D 4435. Specification: The objective of the test method is to measure the working and ultimate capacities of rock bolt anchors. The system comprises of a central hole jack, hand pump with a load gauge, directional control value (only for central hole jacks above the capacity ...

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  • Rock Testing Equipment - Rock Bolt Pull Out Test

    2012-8-29 · ANCHORAGE PULL TESTING FOR FULLY GROUTED ROOF BOLTS Christopher Mark, Rock Mechanics Team Leader Craig S. Compton, Engineering Technician David C. Oyler, Mechanical Engineer Dennis R. Dolinar, Mining Engineer National Institute for Occupational Safety and Health

    Get Price
  • ANCHORAGE PULL TESTING FOR FULLY GROUTED ROOF

    Rock Bolt Pull Out Test Apparatus As per B.I.S. – 11309, ASTM D4435, ISRM. The objective of the test method is to measure the working and ultimate capacities of rock bolt anchors. The system comprises of a central hole jack, hand pump with load gauge, directional …

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  • Rock Bolt Pull Out Test Apparatus | HEICO

    2018-11-14 · method for conducting pull-out test on anchor bars and rock bolts is a full-column-grouted rock bolt or bar with cement-sand grout or resin and rock bolt is ungrouted mechanically anchored bolt. The anchorage may be of any type that is lot wedge type, expansion shell type, etc.

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  • Rock Bolt Pull Out Test, पुल टेस्टर, पुल परीक्षक in

    2016-4-6 · Once the friction bolt is installed in the rock face, with the pull collar in place, the pull tester can be put into position. The pull tester has an anvil designed to slip over the pull collar. The anvil is attached to the hydraulic cylinder within the frame. The device is designed so that the anvil pulls on the pull …

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  • IS 11309 (1985): Method of conducting pull-out test on ...

    2003-6-1 · Abstract. The research outlined in this paper is aimed at the development of a portable non-destructive testing instrument for evaluating the condition of rock bolts. In applications such as coal mine roof reinforcement, the opportunities for rock bolt inspection are currently limited to destructive techniques such as the pull-out test.

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  • PHQ STFB20T Friction Bolt Pull Tester

    2019-3-11 · The rock bolt specimens were pulled on a test rig specially constructed for bolt testing. The test rig mainly consists of a steel tube, with a length of 460 mm. The steel tube is 74/54 mm in outer/inner diameter. The steel tube is filled with concrete to simulate the rock mass. A borehole with a diameter of 30 mm is drilled to install the bolt.

    Get Price
  • Anchor Pull Testing - Applied Technical Services

    Rock Bolt Pull Out Test Apparatus As per B.I.S. – 11309, ASTM D4435, ISRM. The objective of the test method is to measure the working and ultimate capacities of rock bolt anchors. The system comprises of a central hole jack, hand pump with load gauge, directional …

    Get Price
  • Rock Bolt Pull Out Test Apparatus | HEICO

    2019-5-29 · Pull testing equipment is required for non-destructive and destructive pull-out tests on anchors and bolts. Pull-out tests on anchors and bolts are performed for supervision of the bolting quality. Depending on the type and design of the bolt in use, different testing equipment is utilized. Depending on the operation purpose, modularly designed ...

    Get Price
  • Pull Test Equipment - DSI Underground Austria

    2015-7-30 · strength of the rock bolt. This test has become known as the short encapsulation pull test (SEPT) and is an internationally recognised method of measuring the anchorage or bond properties of fully bonded rock bolts. Saxum provides an independent rock bolt testing service where each of the elements of a rock bolting system; hole size, drill bit ...

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  • Rock Support Testing: Pull Tests

    2018-11-14 · method for conducting pull-out test on anchor bars and rock bolts is a full-column-grouted rock bolt or bar with cement-sand grout or resin and rock bolt is ungrouted mechanically anchored bolt. The anchorage may be of any type that is lot wedge type, expansion shell type, etc.

    Get Price
  • IS 11309 (1985): Method of conducting pull-out test on ...

    CTI provides soil nails and anchor rod (cable) pull-out test services related to foundation testing. The anchor solid and the rock-soil layer after being embedded in the rock-soil layer have the bonding strength. The test is to detect the bearing capacity and deformation of the anchor solid Meet design requirements or specification requirements.

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  • Pull Out Testing Eye bolts, anchor, stress load testing UK

    D653 Terminology Relating to Soil, Rock, and Contained Fluids. D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction. D4435 Test Method for Rock Bolt Anchor Pull Test. D6026 Practice for Using Significant Digits in Geotechnical Data

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  • Soil Nail, Anchor Bolt (Cable) Pullout Testing-CTI

    2012-8-29 · the friction bolt past the ring and plate, and then a cone assembly was expanded. In stiff rock, the rock’s confining force kept the device from pushing the wall of the friction bolt apart. However, the measurement reading of the initial pull-out load was false. In softer rock, the expander would tear the bolt …

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  • Rock Bolt Pull Out Test Apparatus, पुल टेस्टर, पुल

    Zeal International - Offering Rock Bolt Pull Out Test Apparatus, पुल टेस्टर, पुल परीक्षक, Rock Testing Equipment in Kirti Nagar, New Delhi, Delhi. Read about company. Get contact details and address| ID: 14283112073

    Get Price
  • Rock Bolt Pull Out Test (HR72-450), पुल टेस्टर, पुल ...

    2016-4-6 · Once the friction bolt is installed in the rock face, with the pull collar in place, the pull tester can be put into position. The pull tester has an anvil designed to slip over the pull collar. The anvil is attached to the hydraulic cylinder within the frame. The device is designed so that the anvil pulls on the pull …

    Get Price
  • PHQ STFB20T Friction Bolt Pull Tester

    CTI provides soil nails and anchor rod (cable) pull-out test services related to foundation testing. The anchor solid and the rock-soil layer after being embedded in the rock-soil layer have the bonding strength. The test is to detect the bearing capacity and deformation of the anchor solid Meet design requirements or specification requirements.

    Get Price
  • How Split set Rock Bolt and Friction Bolts Work

    2020-8-25 · The testing of friction rock stabiliser bolts such as the Split Set (oversize c-section driven into an undersized hole and referred to as split tube bolt in this paper) and the Omega bolt (inflatable closed steel tube of the same principle and made in the same factory as the Atlas Copco

    Get Price
  • Soil Nail, Anchor Bolt (Cable) Pullout Testing-CTI

    2014-2-15 · 5.1 Rock bolts are used for support in a variety of mining and civil engineering situations. 3 The pull test may be used to provide a quantitative measure of the relative performance of different anchor systems in the same rock type. Anchor systems may be different mechanical anchors or different bond materials or lengths for grouted anchors.

    Get Price
  • Dynamic Testing of Friction Rock Stabilisers

    2016-7-19 · rock bolt installation. 11.5 Torque Application.-Ensure that the torque application is smooth and that the force causing the torque is applied through the center of the torque wrench handle. 12. Procedure 12.1 Test.-Determine the tension in a rock bolt or its anchor. 12.1.1 Fit the socket of the torque wrench to the rock bolt head or nut to be ...

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  • ASTM-D4435 | Standard Test Method for Rock Bolt

    2020-8-30 · the in-situ testing conducted at Telfer Gold Mine, the ABSTRACT: The Sandvik MDX bolt has been developed to provide strata support in a wide variety of rock conditions (weak and competent), and in particular seismic rock conditions. While the MDX bolt maintains the

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