Rust structure of the anchor bolt, and anti-corrosion method of anchor bolt

摘要

The present invention relates to cut off the outside air and the infiltration of rainwater into the root portion periphery of the anchor bolt, rust structure of the anchor bolt to fully prevent the occurrence of rust of anchor bolt, and to provide a rust-preventive method of anchor bolt for the purpose. Rust prevention structure of the The present invention has been applied anchor bolts, cavity 6 the anchor bolt 4 that can be inserted into the base plate 3 is formed. Further, an installation surface of the base part 1 of the base plate 3, the sponge member 13 is arranged on the outer circumference of the cavity 6. Established a base plate 3 relative to the base portion 1, tighten the base plate 3 in the direction of the base part 1 by a nut 9, along with the to crush the sponge material 13, to inject a filler material in the cavity 6. Filling material injected into the cavity 6 penetrates the sponge member 13 arranged on the outer periphery of the cavity 6, to cure over time, intrusion of outside air and rainwater to root portion peripheral edge of the anchor bolt 4 It is cut off.FIELD 1