| 摘要 |
PROBLEM TO BE SOLVED: To improve a conventional frictional pressure welding chemical anchor. SOLUTION: This execution method by a frictional pressure welding chemical anchor 1 rubs and pressure-welds an angular nut on the screw part of the chemical bolt and provides a stud member with a head reinforcing the chemical anchor 1 in the chemical anchor in which a base material such as concrete is drilled, a chemical setter inserted in the drilled hole, a bolt and a diameter different rod is rotated and driven in the hole and capsule is buried while it is crushed and mixed.
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