scholarly journals DESIGN CRITERIA ON ULTIMATE STRENGTH OF R/C T-SHAPED AND L-SHAPED BEAM-COLUMN JOINT USING MECHANICAL ANCHORAGES

Author(s):  
Kiyoshi MASUO ◽  
Toshiya INOUE ◽  
Nobuya OKAMURA
2020 ◽  
Vol 85 (774) ◽  
pp. 1079-1089
Author(s):  
Kikuo IKARASHI ◽  
Yuichi UTSUKI ◽  
Kazuya MITSUI ◽  
Yuta MAKINO ◽  
Kaoru YAMADA

Author(s):  
Kuniyoshi Komatsu ◽  
Katsunori Myojin ◽  
Hiroyuki Fuyama ◽  
Eiji Kokubo ◽  
Kazuo Imai

Ultimate behaviors of cable trays, used in nuclear plants, have not been well studied since cable trays are designed based on conservative design criteria. In this study, by employing a large shaker table, an ultimate strength test was conducted for cable trays used in nuclear power plants. This report describes the results of shaker table test. The following results were obtained: 1) In an S2* earthquake, the damping ratio was so large — more than 30% due to the rubbing of cables — that a large response was not present and the strains in the support were within the elastic limits. 2) The support was strong enough to sustain the cable trays even when the strain in the support was 20 times larger than elastic strain.


2018 ◽  
Vol 140 ◽  
pp. 82-91 ◽  
Author(s):  
Jinming Zeng ◽  
Wei Lu ◽  
Juha Paavola

Author(s):  
B. Kato

The performance of beam-to-column joint panels of steel frames under horizontal loading is surveyed in elastic and plastic regions. Then the influence of shear deformation of those joint panels on the frame stiffness is investigated. It is found that the frame stiffness reduces remarkably when the yielding of joint panels takes
place. Taking into account these observations, a simple and practical design method of various shapes of joint panels is suggested.


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