Hollow anchor rods The combined hollow anchor rods concentrate the advantages of various types of hollow grouting anchor rods and combined anchor cables at this stage and have been significantly improved.

　　Xinben recommends introducing the characteristics of the combined hollow anchor:

　　1. Thoroughly solve the difficulties of the exhaust pipe of upward grouting and downward grouting, with a wide range of applications; hollow grouting anchor rod

　　2. The two parts of the anchor cable constitute the same type of hollow grouting anchor body, without on-site production and manufacturing of inch threads, convenient and quick connection, and can be wired randomly, which is convenient and fast on-site construction operation process; hollow anchor manufacturer

　　3. Familiarize with the hollow anchor body that constitutes a part, try to avoid the length of the exhaust valve, significantly improve the efficiency of the exhaust pipe, expand the diameter of the grouting pipe, and the expected effect of grouting steel anchoring is very good, without grouting blind spots;

　　4. The hollow bolt body is made of other raw materials to form the connection, and there is no area with weak tensile strength, and the full length of the hollow bolt is fully utilized;

　　5. The problem of grouting exhaust pipe of self-advancing (drilling) anchor cable is solved.

　　Application scope: applicable to geomorphological norms soft-high-quality soft rock permanent bolt support, demagnetization bolt support and other temporary bolt support. Due to the low construction budget, the combined hollow grouting anchor is a reasonable social and economic development. According to the construction of the structure, it exceeds the expected effect of improving the anchor support. It is one of the new hollow grouting anchor products.

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