swellex bolts

The merchandise is Swellex® Bolts and face plates. The articles are rock bolts used to support the roofs and walls of mines. The rock bolt face plate supports 

Swellex bolts is a kind of rock bolt, used for mine and tunnel. Various sizes of rock bolts in our factory. Whatsapp: +86 19937123680.

Swellex Rock Bolts tube are used to control the roof fall of the fully mechanized mining face, and can also be used in the construction of 

General Features. The DSI Underground OMEGA-BOLT® is an expandable rock bolt with excellent elongation properties designed to accommodate ground movement.

Extensometer for Swellex bolts. anchor and a measuring instrument in which the instrument has been built into the anchoring system Swellex.

Historically rock bolt applications have been classified as either This coating is applied to SWELLEX bolts through a dipping process and completely.

Swellex MN24 x 3.6 m bolts. Swellex PM12 x 3.6 m bolts. SP 300 RDP air operated pump H1 hydraulic Swellex pump. Pull testing Equipment Results / Benefits. Benefits Results. • Very little production time delay (no grouting or settingtime) • Ease of installation and inflation. • Available pull test Equipment.

Potentia Thixo is a two-component pumpable resin that simplifies the installation of rockbolts and cable bolts whilst improving installation quality. Pre-stressing units Inflatable devices designed for the safe and efficient installation of elongate support such

Product Description · Certification ISO9001 and CE · Hollow bar PM12 18 24 · Type rock bolt · Brand Name Supanchor · Recommended hole diameter 32mm - 39mm · Payment 

grouted bolts as well as swellex bolts will mainly be analyzed in the thesis. In the following, four constitutive models developed for the design of rock-bolt system based on analytical methods will be discussed. In is of great importance to utterly acquaint with those models involving the rock-bolts, rock mass interaction. 3.

Swellex rock bolts offers a versatile portfolio of rock bolts that provides reinforcement solutions for ground conditions varying from easy to very difficult. With three typical capacity ranges, at 120 kN, 160 kN and 240 kN, the Swellex rock bolts can be used in most reinforcement and support applications. They can also be used

Jul 05,  · The Swellex is a rock bolt made of a welded tube folded on itself and sealed at one extremity. It is expanded using a high pressure water flow provided by a special pump. The bolt is expanded inside a borehole, and the installation process is easy and very similar to other rock bolts. This makes Swellex accessible to all operators.

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Ltd. (the manufacturer of the Swellex bolt), for their assistance and for providing the background information regarding Swellex bolts and pull testing. I would also like to thank the various individuals at different mining companies for their participation and for providing the pull test information that was essential to producing

China Anto 28mm 38mm Swellex Bolts Manufacture, Visit Here to Find the Anto 28mm 38mm Swellex Bolts That You are Searching for. Mr. Richard . What can I do for you? +8617753832266. ; Contact Now; Send Inquiry 25mm Threaded Steel Rock Bolt;

MIDAS - Expandable Friction bolt is used for temporary rock reinforcement in underground works. This rock bolt is made of a welded tube folded on itself and 

Many swellex bolt are made of strong metals such as steel. Others are made out of plastic and designed to hold metal screws in place when connected to brick or concrete. Most come in the shape of bolts or screws and can be drilled into porous surfaces with ease. Various sizes are available for use in different types of construction projects.

We provide wholesale anchors to attach wall fixtures securely. We have different types of swellex rock bolt including edge anchors, hex nut sleeve anchors, 

EXRB EXPANDABLE ROCK BOLTS. ROCK STABILIZATION. DESCRIPTION. The EXRB Expandable Rock Bolt is a full column anchored rock bolt that forms a mechanical 

Product Description Water Swelling Friction Bolt is made by high strength welded tube folded itself and welded to seal at both end of bolt. Working principle: When the bolt is used in the hole, the bush with a hole is connected with a chuck of a high-pressure water pump. Start the pump and inject the water into tube, Contact Now

In general Swellex bolts strengthen the rock mass through a combination of friction and mechanical interlock at the rock-bolt interface.

on the entire length and an ideal bolt for demanding excavations. Swellex Pm12. General Information. Minimum breaking load. Swellex Premium line.

Ltd. (the manufacturer of the Swellex bolt), for their assistance and for providing the background information regarding Swellex bolts and pull testing. I would also like to thank the various individuals at different mining companies for their participation and for providing the pull test information that was essential to producing

74 3.1.9 TUNNEL ENGINEERING – SWELLEX ROCK BOLTS OR SIMILAR Graham Grobler 309 213 800 Link: (Describes how Swellex rock bolts work) Since its introduction 30 years ago (as at ), the Swellex rock bolting system has gained wide recognition in the mining and tunnelling industries. The Swellex is a rock bolt made of a welded tube folded on itself and

The Swellex rock bolt is a sealed steel tube folded on itself and expanded with high water pressure offering: • Strong performance and interac- tion with rock 

Since its introduction 30 years ago the Swellex expandable rock-bolting system has gained wide recognition in the mining and tunneling industry. This unique rock bolt consists of a welded tube folded in upon itself, sealed at one end. It is re-expanded using a high-pressure water flow provided by a special pump and adapter. The bolt is expanded

Swellex rock bolts This expandable rock bolt is more complex to manufacture than a MAI SDA. The steel profile is pressed into shape and a bushing is welded on the open end-piece. As

SWELLEX PM12 Swellex rock bolts General information Swellex Pm12 Minimum breaking load 110 kN Minimum yielding load 90 kN Minimum elongation 10% Expansion pressure 300 bar For further information, see also technical data page 7. Minimum elongation "A": According to EN-ISO 6892-1 where applicable. Swellex Pm12 rock bolts Size Length (m) Weight (kg)

Swellex is a typical inflatable rock bolt, interacting with the rock mass through the friction between the cylindrical surface of the bolt and the wall of the borehole (Li and Håkansson 1999. Contact (PDF) Standard Test Method for Rock Bolt Anchor Pull .

grouted bolts as well as swellex bolts will mainly be analyzed in the thesis. In the following, four constitutive models developed for the design of rock-bolt system based on analytical methods will be discussed. In is of great importance to utterly acquaint with those models involving the rock-bolts, rock mass interaction. 3.

The bolt is expanded inside the borehole drilled into the excavation wall. The installation process is easy and very similar to other rock bolt installation processes, making Swellex rock bolts accessible to all operators. Classifications: Premium line: The Premium line is a typical tunnelling bolt, with a high yield load and good deformability.