An anchor bolt and its installation method and structure on concrete

Abstract

The invention provides an anchor bolt. A plurality of sides are arranged on the surface of an anchor rod parallelly in the circumferential direction. The sides are lower than the portions, on the two sides, of the surface of the anchor rod, so that chemical mortar axial flow gaps from the hole bottom to the hole opening are formed between the sides and the hole wall of an installing hole where the anchor bolt is installed. Force-bearing thread teeth capable of being extruded into concrete are arranged between the anchor rod and the sides, so that a plurality of force-bearing thread tooth arc sections are formed on the anchor rod. Extruding ends are formed at boundaries of the force-bearing thread teeth and the sides, the outer diameters of the force-bearing teeth on the multiple arc sections are consistent, and a thread is continuous. The invention further provides an installing method and structure on concrete. According to the anchor bolt and the installing method and structure on the concrete, the chemical anchor bolt and the concrete are integrated through mechanical extruding, the situation that the chemical bolt needs to wait to be solidified is changed, the anchor bolt can bear a load immediately after being installed, the bearing capacity after solidification is multiplied, and the good bearing capacity for cracked concrete is achieved; and when a drill hole is not cleaned and remnant scraps are not cleared away, safety can be guaranteed, and the manufacturing process is simple.

Description

technical field [0001] The invention relates to an anchor bolt, in particular to a ready-to-install chemical agent heavy-duty anchor bolt used in concrete occasions, especially suitable for power transmission up and down, high-speed rail and subway sleepers, tunnels, bridges, islands, chemical plants , curtain wall, basement and other high acid and alkali, damp, anti-seismic and other environments, the invention also relates to the installation structure on the concrete. It can also be used on bricks, soft stones, and artificial boards. Background technique [0002] Among the existing concrete post-anchoring technologies, the following types are common: [0003] Chemical mortar glass pipe anchor bolts, because the anchor bolt rods are wrapped in resin, will not rust, and are easy to install, especially for ceiling anchoring. The cleaning hole is not in place, and the fine-toothed screw is not conducive to the adhesion of the mortar containing quartz sand, which leads to th...

AI Technical Summary

Problems solved by technology

[0007] Of course, self-tapping screws are not suitable for chemical mortar due to a large amount of cutting powder and basically closed threads.

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