[I-76] Slipping behavior of high strength bolted joints including different contact surfaces

〇Takafumi Amano¹, Kohei Thuthui², Kuniaki Minami², Hideki Yokoyama², Hiroshi Tamura³ (1.The Takigami Steel Construction co.,ltd., 2.Japan Railway Construction,Transport and Technology Agency, 3.Yokohama National University)

[I-77] Analytical Study on Mechanical Behavior of High Strength Bolted Frictional Joints with Tightened Filler

〇Masaki Fujiwara¹, Takashi Yamaguchi¹, Senju Kozai² (1.Osaka City University Graduate School, 2.Takada Kiko Corporation)

[I-78] tests of high strength bolted frictional joints with rust accelerator at construction site

〇Natsuki Yoshioka¹, Junichi Adachi², Takashi Yamaguchi², Tetsuya Ochiai³, Yusuke Toyota⁴, Yuki Sato⁴, Shiro Saito⁵, Sadaaki Nakamura⁶ (1.KOMAIHALTEC Inc., 2.Osaka City University, 3.ICHINEN CHEMICALS CO.,LTD., 4.West Nippon Expressway Company Limited, 5.IHI Infrastructure Systems Co., Ltd., 6.IHI Construction Service Co., Ltd.)

[I-79] Investigation of effect of contact pressure on slip behavior of high-strength bolted frictional type joints by slip test with small plates

〇Hitoshi MORIAYAMA¹, Toshikazu Takai², Takashi Yamaguchi³ (1.Kumamoto University, 2.Kyushu Institute of Technology, 3.Osaka City University)

[I-80] Slip coefficient of friction-type high-strength bolted joints with one faying surface of roughened steel and the other painted with inorganic zinc-rich paint of a thickness of 100μm or more

〇Takeshi Sakai¹, Yukiko Mitsugi², Yasuo Kitane³, Tatsuya Ikeda⁴, Hiroyuki Nakajima¹ (1.TOMOE CORPORATION, 2.i Engineering, 3.Kyoto University, 4.IKEDA KOUGYOU)

[I-81] Study on slip coefficient and load sharing ratio of tapered high-strength bolted friction joint at the joint between cast iron deck module and main girder

〇Yugo Shirai¹, Takashi Yamaguchi¹, Tobinaga Hironobu², Minoru Murayama² (1.Osaka City University, 2. Hinode, Ltd.)

[I-82] Experimental Study on Strength Performance of Ribed Tensile Type Joints with Multiple High Strength Bolt Lines

〇Yuma Sugimoto¹, Takashi Yamaguchi¹ (1.Osaka City University Department of Civil Engineering)

[I-83] Experimental study on bending strength of the double end plate connection inserting a filler plate

〇YUKI MINEYAMA¹, YUMA SUGIMOTO², TOSHIHIRO KOBAYASHI³, TAKASHI YAMAGUCHI², NAOTO KUBOTSU³, KEIZO EGASHIRA¹ (1.KOMAIHALTEC, 2.Osaka City University, 3.HIROSE)

[I-84] Bolt residual axial force measurement of high strength bolt friction joints used for 29 years

Jianpeng Lai¹, 〇Takashi Yamaguchi¹, YU CHEN¹, Kenji Uemura² (1.Graduate school of Osaka city university, 2.NIPPON STEEL BOLTEN CORPORATION)

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