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Anchor rods type
2025-12-25
(1) Wooden anchor rods. There are two types of wooden anchor rods used in China, namely ordinary wooden anchor rods and compressed wooden anchor rods. The following are several types of anchor rods.
(2) Reinforced bar or steel wire rope mortar anchor rods. Cement mortar is used as the bonding agent between the anchor rod and the surrounding rock.
(3) Inverted wedge metal anchor rods. This type of anchor rod was once one of the most widely used forms of anchor rods. Due to its simple processing, convenient installation, and certain anchoring force, this type of anchor rod is still in use within a certain range.
(4) Pipe joint anchor rods. It is a full-length frictional anchoring type of anchor rod. This type of anchor rod has the characteristics of simple installation, reliable anchoring, large initial anchoring force, and increasing long-term anchoring force as the surrounding rock moves.
(5) Resin anchor rods. Resin is used as the bonding agent for the anchor rod, and the cost is relatively high.
(6) Rapid-hardening expansive cement anchor rods. Made by adding admixtures to ordinary Portland cement or slag Portland cement, it has the characteristics of rapid setting, early strength, water reduction, and expansion.
(7) Double-quick cement anchor rods. Made by mixing finished early-strength cement and double-quick cement in a certain proportion, it has the characteristics of rapid hardening and setting, and early strength.
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