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Slotted Pipe Anchor

Slotted pipe anchor is also called friction anchor, which is a wide anchor with full-length anchoring and active reinforcement of surrounding rock. Its anchor body is a longitudinally slotted high-strength steel pipe.
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Structure

Slotted pipe anchor is also called friction anchor, which is a wide anchor with full-length anchoring and active reinforcement of surrounding rock. Its anchor body is a longitudinally slotted high-strength steel pipe. When installed into the drill hole whose pipe diameter is smaller, it can instantly apply radial pressure to the wall of hole and force of friction to prevent surrounding rock from slipping, and add the supporting force of full rod tray supporting plate, so that the surrounding rock is under a three-direction pressure state. In the case of blasting vibration and moving of surrounding rock, the anchoring force increases obviously in the later stage. When the surrounding rock moves significantly, the anchor bolt does not lose its supporting resistance, and it has better characteristics than the ordinary anchor bolt.

Characteristics

1. Full-length anchoring, which can actively reinforce surrounding rock and is widely applied in coal mines.

2. Rapid installation can generate supporting effect at once. With the internal reinforced screw anchor bolt, it can play a greater anchoring force.

Construction Method

First, use a drill to drill out a rock hole, and then install backing board on the anchor bolt. Install anchor bolt on the anchor bolt installing machine and turn on the machine to drill the anchor bolt into the rock hole until the backing board reach the rock wall.

Slotted Pipe Anchor

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