The split set is widely used in coal mining. It is a new type of full-length anchor, and the three-dimensional part is a high-strength steel rod with a longitudinal slit. When installed in a hole slightly smaller than the pipe diameter, it can immediately apply radial pressure on the hole wall and the friction force to prevent the slide of the surrounding rock, plus the supporting force of the bolt tray, so that the surrounding rock is in a three-way stress state, and the rock stability is realized.
Advantage:
1. Good support effect.
2. Low support cost.
3. Low labor intensity.
Product parameters
Split set is mainly composed of anchor rod and tray.
The anchor rod has two wall thicknesses, 2.5mm and 3.0mm.
There are two types of trays, one with earhook and one without.
Common specifications: �?30, �?35, �?39, �?43, �?46.
For more product specifications, Please email us or visit our website.
Kelleg's advantage
1. We have professional technical, procuring, marketing, order management, and after-sale service teams, which can provide customers with pre-sale technical solution consultation and product selection suggestions, in-sale order management, and after-sale on-site technical guidance and other services.
2. We focus on the field of geotechnical anchorage, always with high standards to do supply chain management, strict requirements to check product quality, and heavy experience to create the whole process of service.
3. We are committed to providing systematic geotechnical anchorage solutions for customers at home and abroad, creating a valuable service experience.
Model: split sets
Specification: 18*2m, 16*6m (customize according to customer requirement)
Material: 16Mn, 20Mnsi
Characteristic:
1. High strength alloy strip steel is used for raw materials;
2. The simplest installation;
3. No anchoring agent;
4. Large friction force between the bolt and rock mass;
5. High shear and tensile strength;
6. Equipped with high-strength pallet, the pallet is evenly distributed;
7. The roadway height is greater than the bolt length.
Specification: 18*2m, 16*6m (customize according to customer requirement)
Material: 16Mn, 20Mnsi
Characteristic:
1. High strength alloy strip steel is used for raw materials;
2. The simplest installation;
3. No anchoring agent;
4. Large friction force between the bolt and rock mass;
5. High shear and tensile strength;
6. Equipped with high-strength pallet, the pallet is evenly distributed;
7. The roadway height is greater than the bolt length.
If you are intrested in our products please visit our website: https://www.zxminesupport.com/
Split sets rock bolt is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever .
1.Features :
(1)split sets bolt is made from high strength steel tube that is a slotted steel tube, with one end tapered tip for easy insertion into a drill hole. The other end has a welded ring for holding the bearing plate. A ring, or collar, is welded on the outer end to hold a domed plate to the rock surface.
(2)the bolt is inserted into a hole slightly , the diameter of hole is smaller than the tube. When drive the rock bolt into the hole, the tube of bolt is compressed and the slot is partially closed , that make the strata and the bolt be a whole body, .All strain of bolt wiill support to the strata tightly. When surrounding rock is shaked by explosion, anchor capacity increasesed higher and supporting effect is perfect.
(3) fast and easy installation with hand held or mechanized equipment .
(4) be used in a variety of ground conditions for immediate ground support, but is not suitable for very soft strata and permanent support.
(5) provide support in radial and axial direction .
2. Recommended hole diameter calculation:
(1) in the rock stratum : a diameter of hole: (0.9-0.95) diameter of bolt
The split set is a slottedsteel tube with one end tapered for easy insertion into a drill hole. The other end has a welded ring flange to hold the bearing plate.
The stabilizer is insertedi into a hole slightly smaller in diameter than the tube, using a simple driver too fitted to the drill. As the tube enters, its diameter is compressed and the slot partially closes. This exerts radial forces along the length of contact with the rock, providing the friction which holds the rock together. The driving force of the drill actively loads the bearing plate against the rock.
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