Pipe seam anchor pipe seam anchor meter pipe seam anchor meter pipe seam anchor Shanxi pipe seam anchor Guizhou pipe seam anchor pipe seam anchor manufacturer pipe seam anchor price Rio Olympics Since the opening of the competition on January 1, Beijing time, all competitions have been in full swing. The Chinese team has gained great strength and won the gold medal. Needless to say, the strong ones have proven their strength. Shandong China Coal Group is cheering for Chinese athletes and is selling a batch of pipe-slit anchors. The quantity is limited and while supplies last.
The pipe-slit anchor is a new type of full-length anchor that actively reinforces the surrounding rock. Its three-dimensional part is a longitudinally slit high-strength steel pipe. When installed in a borehole slightly smaller than the pipe diameter When the whole length is reached, radial pressure can be immediately applied to the hole wall and the friction force to prevent the surrounding rock from sliding down, plus the supporting force of the anchor pallet, so that the surrounding rock is in a three-way stressed state and achieves The rock formations are great. In the case of blasting vibration and anchorage movement of the surrounding rock, the anchoring force will increase significantly in the later period. When the surrounding rock undergoes significant displacement, the anchor does not lose its supporting resistance. It has better characteristics than the expanding shell anchor< br/>, outer diameter (mm): h,h,h, h (.)
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Technical requirements for pipe-seam anchors
The surface of the pipe-seam anchor should be smooth and free of serious strain and rust. Welds should be free of cracks, pores and slag inclusions, and burning through the pipe wall is not allowed. The pallet should be able to move freely on the pole. It is appropriate that the baffle ring interface and the pipe seam opening are misaligned with each other.
Block ring weld pull-off force, rod ultimate tensile strength, initial anchor force/m, pallet bearing capacity
How to use pipe seam anchor
According to the design requirements Determine the location of the anchor hole and drill the hole with a drill tool.
Use compressed air to blow away the rock powder in the hole.
Install the anchor plate on the rod body and drive the anchor rod into the hole with an impact drill.
Shandong China Coal Group cheers for Chinese athletes! !
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