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

A laboratory pull-out test sample consists of the bolt (rock bolt or cable bolt), the rock sample, the metallic tube and the materials used to grout the bolt to the rock and to the tube. The proper preparation of the samples, in particular the accurate coaxiality of all elements, is very important to ensure the correct assemblage of the ...

It looks just like the original, including the "slight curve" in each leg. It comes complete with two J-bolts and two carriage bolts. The nuts for the carriage bolts are the "heavy hex" style, like the originals. The V-Drawbar really makes a nice sturdy pulling point and is recommended when pulling heavier loads. Price …

The HRB® bolt is a hollow steel bolt used in resin or grout installations, typically in hard rock mines where larger diameter support holes are drilled. The 27mm HRB® bolt is typically used with 34mm, 36mm and 38mm diameter holes. This ensures that the correct ratio between hole diameter and bar diameter (annulus) is achieved.

I used to have a large rock picker that was pulled behind the tractor and I found it to be too big and clumsy. This side-car rock picker makes is easier to pull up alongside the rocks, pick them up and throw into the back wagon. Plus it is easy to back up to dump the rocks as well. The push-button hydraulics are amazing and I rarely have to get ...

FEMA NATIONAL US&R RESPONSE SYSTEM STRUCTURAL COLLAPSE TECHNICIAN 02-00 MODULE 4 - LIFTING AND RIGGING SM 4 4 EQUILIBRIUM PRINCIPLE: n Every object resting on earth is said to be "at rest" and in a

Rock Bolt Pull Out Test Apparatus. Specification: The objective of the test method is to measure the working and ultimate capacities of rock bolt anchors. The system …

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 ...

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.

DSI (DSI) is Australia's largest manufacturer & supplier of specialist strata reinforcement & support products to the underground coal & metalliferous mining sectors.DSI is also a major exporter of these products to the Asia-Pacific Region.

A series of push and pull out tests were carried out to investigate the anchorage mechanism of grouted rock bolts and the effect of various parameters such as the ratio of the bolt to borehole diameter and the behavior of the bolt to grout interface under triaxial stress . The results showed that the load bearing capacity of bolts was 25% ...

PZ-30T Pullout Test Equipment for Rock Bolt, US $ 1000 - 3000 / Set, Shandong, China, BOHWA, PZ-30T.Source from Qingdao Bohwa Machinery Corporation on Alibaba.com.

rock bolt, in tunneling and underground mining, steel rod inserted in a hole drilled into the roof or walls of a rock formation to provide support to the roof or sides of the cavity.Rock bolt reinforcement can be used in any excavation geometry, is simple and quick to apply, and is relatively inexpensive. The installation can be fully mechanized.

A tensile strength or pull test actually means to hold a crimped connection steadily and apply a force to it. There are two methods to maintain a continuous force on a test sample. One way is to attach one end of the sample to a stationary point and the other end to a certified and …

PLEASE NOTE: VintageMachinery.org was founded as a public service to amateur and professional woodworkers who enjoy using and/or restoring vintage machinery. Our purpose is to provide information about vintage machinery that is generally difficult to locate. VintageMachinery.org does not provide support or parts for any machines on this site nor do we represent any manufacturer listed on this ...

required to pull an anchor bolt out in either manner. To calculate the Total Pull Out Strength of the entire machine, multiply the force required to pull one bolt out times the total number of bolts. When calculating Pull Out Strength it is assumed that: 1. A clean, threaded rod or bolt with a coarse surface profile is used. 2.

Pull off Adhesion Tester is a easy to operate and fully portable, provides a test results values for adhesion. Applications include: paint or plasma spray on bridge decking, coatings on steel, aluminum or concrete, etc. supplied with carrying case for site jobs.

bolts Rock bolts REINFORCEMENT LENGTH REINFORCEMENT CAPACITY Roof Figure 2-1 The length-capacity relationships that have evolved for roof bolts, cable bolts, and ground anchors (after Windsor and Thompson, 1997) There are eight types of roof bolts used in the South African coal mining industry. These are

In order to test the pull-off strength of a coating on concrete, the technician would use one of the variety of pull-off testers supplied by Humboldt, such as Proceq's DY-2 Pull-off Tester or our HC-2988A Bond Test Kit. The bonding strengths of a wide and varied range of materials including concrete, screeds, repair mortars, epoxy resin ...

Rock Mechanics. Rock mechanics is an important field of geotechnical engineering as it is the theoretical and applied science concerning the physical behavior of rocks and rock masses. We offer an extensive range of modern laboratory solutions for strength, stiffness and durability determinations according to international standards suitable ...

works its way upward, the bolts can become heavily loaded near their upper ends. If the applied load ex ceeds the anchorage, the bolts will simply pull out. Research dating back 30 yrs indicates that this type of anchorage failure is most likely when the roof rock is weak, just where roof support is most critical. In soft shale or coal roof, the

Greg German demonstrates spinning and a hydraulic puller tool at the Future of Fixed Anchors II Conference in Red Rocks on April 2, 2016 by removing a wedge ...

Bolt material Nut material Dry Lightly oiled Untreated Untreated 0.18-0.35 0.14-0.26 Phosphorous coated Untreated 0.25-0.40 0.17-0.30 Electro Zinc plated Untreated 0.11-0.36 0.11-0.20 Phosphorous coated Phosphorous coated 0.13-0.24 0.11-0.17 Electro Zinc plated Electro Zinc plated 0.18-0.42 0.13-0.22

ASTM Standard 10/20/30/50/60/100T Rock Bolt Pullout Test Machine 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.

Sharma Nand & Sons - Offering Rock Bolt Pull Out Test Apparatus, पुल टेस्टर, पुल परीक्षक, ROCK TESTING MACHINE in Maktool Puri, Roorkee, Uttarakhand. Read about company. Get contact details and address| ID: 5366455873

We are one of the leading manufacturer and supplier of wide quality range of Rock Bolt Pull Out Test, our products are best in industry and know for their best quality and high performance. We are engaged in providing quality products to our valuable clients as …

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The anchor bolt edge distance, l be, is measured in the direction of the applied load from the center of the anchor bolt to the edge of the masonry.When the projected areas of adjacent anchor bolts overlap, the portion of the overlapping area is reduced by one-half for calculating A pt or A pv as shown in Figure 3. Any portion of the projected area that falls within an open cell, open core ...

Rock Bolt Tester. Model. SGD-431. Series. Cement Tester. Catalog. Product Description. Product List. Material Testing Machine. Universal Testing Machine C Type. SGA-C-Series. Relaxation Testing Machine. SGA-R-30PC. Guard Rail Testing Machine. SGA-GD-10D. Universal Testing Machine. SGA-E …

Pull out testing involves attaching a suitable test rig to the bolt, screw, anchor or fixing. This is then put under tension to the designed stress load level to determine how strong and secure the fixing is. This type of service enables potential early diagnosis of underlying problems and our engineers can offer honest and impartial technical ...

Sstud adaptors and the ring bolt clevis asre also included in the kit. Safely inspect all anchors and swagged components of lines in accordance with local safety standards. Heavy duty: M2050 Pro Tester Kit with 0-50kN Digital Gauge. Mid to lower range heavy duty pull …

Rock Bolt Pull Out Testing Machine Capacity with Testing 10T 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.

A rock bolt is a long anchor bolt, for stabilizing rock excavations, which may be used in tunnels or rock cuts.It transfers load from the unstable exterior to the confined (and much stronger) interior of the rock mass. Rock bolts were first used in mining in the 1890s, with systematic use documented at the St Joseph Lead Mine in the U.S. in the 1920s.

Digital Standard Anchor Pullout Tester Test Machine, Find Complete Details about Digital Standard Anchor Pullout Tester Test Machine,Rock Bolt Pull Out Test Machine,Anchor Pullout Test Machine,Embedded Anchor Bolt Pull Out Test Machine from Testing Equipment Supplier or Manufacturer-Qingdao Bohwa Machinery Corporation

Hilti Verified. Hi Richard, Here is the link to the technical data for the Hilt HAT-28 Pull-Out Tester. Please note that the largest diameter it can test is 1/2". You would have to use a third-party adapter to connect the HAT-28 to a 1" threaded rod. Typically, customers will reach out to third party anchor testing companies to assist.

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.

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.

Design of post-installed anchor bolt systems in Hong Kong Dr. S.S.H Cho and Ir Prof. SL Chan Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University ... The partial factor for pull-out failure is given in the relevant approval documents. In general, for the partial factors for splitting failure and the