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[I-179] Relaxation Characteristics of High-strength Bolted Frictional Joints Including a Hot-dip Galvanized Surface

*Satoshi Hasegawa¹, Haruto Yokoyama², Kensho Hirao³, Natsuki Yoshioka¹, Hiroshi Tamura³, Takeo Amitani⁴, Hideo Teramoto⁵, Takeru Murai⁶ (1. KOMAIHALTEC Inc., 2. PACIFIC CONSULTANTS CO.,LTD., 3. Yokohama National University, 4. East Japan Railway Company, 5. LobtexFasteningSystem. Co., Ltd, 6. FaB-Tec Japan Corporation)

Keywords:

high strength bolted frictional joints,relaxation test,contact surface