Threaded Rods Concrete Anchors
Threaded Rods Concrete Anchors are primarily utilized for providing strong support to roadways with significant deformation in high-pressure mines. These roadways can include full rocky roadways, coal roadways, and semi-coal roadways. Additionally, these anchors can also be employed for ensuring high-strength and long-lasting support to railroads, highways, hydropower projects, and other similar endeavors. The development of the Equal Strength Threaded Anchor Rod is based on the MT164.2-2011 standard, ensuring the product's reliability and adherence to industry regulations. You can use it with confidence, without worrying about product quality issues.
Threaded concrete bolt is a commonly used anchorage material in civil engineering and has the following advantages:
High strength: Threaded concrete bolts are usually made of high-strength steel, with high tensile strength and shear strength, and can withstand a large number of tensile and shear forces.
Good stability: The threaded concrete bolt has a good anchoring effect with the concrete through the threaded connection, which can firmly connect the structure with the foundation to ensure the stability and safety of the structure.
Advantages of threaded concrete bolt:
Strong environmental adaptability: Threaded rod concrete bolt can choose different kinds of threaded rod and concrete materials to adapt to different environmental conditions and engineering needs, such as coastal areas, high humidity areas, etc.
High durability: threaded rod concrete bolt has a long service life, and will not be affected by corrosion, erosion and other external environment, and can maintain long-term stable anchoring effect.
Convenient construction: The installation process of threaded rod concrete anchor rod is relatively simple, only need to insert the threaded rod in the pre-drilled hole, and inject concrete to complete the installation, easy to operate.
In general, concrete bolt with threaded rod has the advantages of high strength, good stability, strong environmental adaptability, high durability and convenient construction, and is widely used in structural fixing and strengthening projects in Bridges, tunnels, underground engineering, geotechnical engineering and other fields.
Technical Parameter | ||||||||
Performance Material Specification | Rod outer diameter(mm) | carrying capacity(kn) | ||||||
Nominal size | Allow partial dragons | HRB335 | HRB400 | HRB500 | HRB600 | HRB335 | ||
standard | carrying capacity | |||||||
φ-16 | 16 | +0.3/-0 | ≧100 | ≧120 | ≧135 | 120x120x5 | ≧100 | |
φ-18 | 18 | +0.3/-0 | ≧126 | ≧150 | ≧172 | ≧206 | 150x150x5 | ≧135 |
φ-20 | 20 | +0.3/-0 | ≧157 | ≧180 | ≧210 | ≧260 | 150x150x6 | ≧170 |
φ-22 | 22 | +0.3/-0 | ≧190 | ≧225 | ≧250 | ≧310 | 150x150x8 | ≧230 |
Anchor Characteristics:
1. superficially it restricts the rock and soil body from the original body.
2. Macroscopically it increases the cohesion of the rock and soil body.
3. Anchor rods are not only used in mines, but also used in engineering technology for active reinforcement of slopes, tunnels, dams and so on.
4. Anchor is the basic component of tunnel support in contemporary underground mining, which binds the perimeter rock of the tunnel together, so that the perimeter rock supports itself.
Product Selection and Working Conditions：
1. Product selection: support designers according to the roadway section of the surrounding rock geological conditions to detect the surrounding rock to pressure parameters, and then combined with practical experience, can choose different specifications of the anchor.
2. Using working conditions: Users should have drilling and installation equipment, resin anchors and so on. In order to increase the effect of support, after the installation of anchor rods, plus the installation of anchor net anchor cable and slurry. The drilling size and depth should be used according to the specifications of anchor rods and anchoring agents; considering the power conditions of the site, it is recommended to prioritize the use of pneumatic anchor drilling rigs or hydraulic anchor drilling rigs so that the drilling and installation are carried out in the same machine: for the use of high rock hardness site selection of the 7655 wind hammer drilling, pneumatic coal drilling and stirring installation. Stirring installation of rated output speed ≥ 400 rpm output torque, for the full-length anchoring should be 2 60Nm; for end anchoring should be 240Nm machine.
Advantages of Threaded Rods Concrete Anchors
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