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.

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 

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.

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 

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

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

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 

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

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

SWELLEX CONNECTABLE ROCK BOLTS. Background. The aim of any underground operation is to blast and remove rock, in the most economic way,.

the manufacturer of the Swellex bolt), for their assistance and for providing the background information regarding Swellex bolts and pull testing. I 

Rock bolts Since its introduction 30 years ago the Swellex expandable rock-bolting system has gained wide recognition in the mining and tunneling industry. Dalla sua introduzione, 30 anni fa, il sistema di bullonatura ad espansione per roccia Swellex ha ottenuto numerosi riconoscimenti nel settore minerario e di perforazione di tunnel.

mine tunnel support rock bolt Pm24 Swellex bolt Q355 grade: 1. Size: Pm12, Pm16, Pm24, Pm24C, Pm24H, etc 2. Length: 1.8m, 2.0m, 2.4m, 3m, 4m, 6m, etc. Can arrange production based on your length requirement . 3. Plate for Swellex Bolt: 125*125*4mm, 150 x 150 x 6mm, 200 x 200 x 6mm, 200*200*12mm etc. plate size can be customized according to customers' requirements.

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

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

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 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.

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

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

tive tests on samples of Swellex bolts and MAI self-drilling anchors. And if this is not enough, eve- ry bolt is stamped with its own number. So should.

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 Rock Bolt ; Brand, -, JCB, -, - ; Material, -, Mild Steel, Iron, Stainless Steel ; Product Type, Anchor Bolt, -, -, - ; Shape, -, -, -, - ; Size, R32, R38, - 

Swellex PM16 Swellex rock bolts General information Swellex Pm16 Minimum breaking load 160 kN Minimum yielding load 140 kN Minimum elongation 10% Expansion pressure 240 bar For further information, see also technical data page 7. Minimum elongation "A": According to EN-ISO 6892-1 where applicable. Swellex Pm16 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 .

Jenmar Python Swellex Bolts. Use Swellex rock bolts for applications where higher yield and breaking strength are required. Swellex Premium line is 

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

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

The Swellex bolt is a folded steel tube, which is inserted into a pre-drilled hole in the rock. Water is blasted into the tube at high pressure, blowing out the fold and expanding the tube into the exact shape of the hole, adapting to every irregularity.

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

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.