HRB335 Stainless Steel Round Bar Sales Manufacturer

Description of Rebar Anchor

Rebar anchors are divided into longitudinal ribless rebar resin anchors (referred to as left-handed anchors) and equal-strength rebar resin anchors (referred to as right-handed anchors). Left-hand and right-hand anchors implement the MT146.2-2011 standard, which is the basic component of tunnel support in contemporary coal mines, binding the surrounding rocks of the tunnel together, so that the surrounding rocks support themselves. Nowadays, anchors are not only used in mines, but also used in engineering technology to actively reinforce slopes, tunnels and dams. Anchor as a deep stratum of the tensile member, it is connected with the engineering structures at one end, the other end of the deep stratum, the whole anchor is divided into the free section and anchorage section, the free section is the anchor head of the tensile force to the anchor solid area, its function is to apply prestressing force to the anchor; anchorage section refers to the cement paste will be prestressing tendon bonded with the soil layer of the region, its function is to increase the friction effect of the anchorage solid bonded with the soil layer, increase the anchor solid pressure-bearing effect, will be the anchor of the soil layer, and will be the anchor of the soil layer, the anchor of the soil layer. Its function is to increase the bonding friction between the anchor solid and the soil layer, increase the pressure-bearing effect of the anchor solid, and transmit the tension of the free section to the depth of the soil. Anchor rod full thread full length equal strength, than the same specification anchor rod bearing capacity increased by 40%; expand the scope of use of the anchor rod, can realize the end of the anchor, lengthen the anchor and the full anchor; easy operation, low price and other advantages, widely used in coal mines, railroads, hydropower and other projects of various types of roadway support.

Technical Parameters.

Anchor rod technical characteristics:

  Anchor according to the diameter to be classified, generally the most commonly used are: 16mm, 18mm, 20mm, 22mm; anchor rod body can be realized with the anchor hole diameter, resin maki diameter better match, with strong anchor force, high elongation, safe and reliable, high quality and low consumption, easy to use and so on.

Anchor material description：

High-strength anchor raw materials are made of steel with elongation not less than 15%, yield strength not less than 335MPa, breaking strength not less than 490MPa, made of 20MnSi steel by hot lashing, with compression resistance from 20 tons to 50 tons, straightness tolerance of Φ18 to Φ22 rods is ≤2mm/m, and the straightness tolerance of Φ16 rods is less than 4mm/m. The carrying capacity of the tail thread of rods should be not less than the breaking strength of the parent material of rods, which is not less than the breaking strength of the parent material of rods. 

Product Construction Points.

1. In the design of right-hand anchor, accurate calculation and comprehensive consideration are needed according to the actual engineering requirements and geological conditions.

2. In the production process of anchor, it is necessary to select, process and manufacture the materials in strict accordance with the design requirements to ensure its quality and performance.

3. In the process of anchor installation, it is necessary to operate in strict accordance with the installation drawings and technological requirements, to avoid improper installation, connection is not tight and other problems.

4. During the use of anchor, it should be inspected and maintained regularly, and problems should be dealt with in time to ensure its safety, stability and durability.

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