| 摘要 |
PROBLEM TO BE SOLVED: To provide a frictionally joining structure by high strength bolts capable of easily coping with a case where a built-up error exceeds an assumed value with a simple structure. SOLUTION: In a steel material frictionally joining structure by the plural high strength bolts for arranging joining plates over end parts of steel materials 1 and 2 such as steel frame members to be joined and respectively inserted into bolt inserting through-holes of the respective steel materials 1 and 2, the respectively independent joining plates 6 are arranged on both sides of the respective high strength bolts 5 for sandwiching the respective high strength bolts 5 so as to be superposed on the respective steel materials 1 and 2, and a presser metal fitting 8 having the bolt inserting through-holes 7 is allowed to abut to the respective joining plates 6, and the joining plates 6 and the steel materials 1 and 2 such as the steel frame members are calked and press-fitted by the high strength bolts 5 respectively inserted over the through-holes of the respective steel materials 1 and 2 and the respective through-holes of the presser metal fitting 8.
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