Title:
門柱耐震補強装置
Document Type and Number:
Japanese Patent JP6877857
Kind Code:
B2
Abstract:
To provide an earthquake strengthening device configured to improve earthquake performance of dam gateposts in a direction of an axis of a dam, of which a structure is to install an earthquake-proof brace and surrounding frames transmitting to a damper a horizontal displacement difference between two points, A and B, with different heights of the gateposts upon an earthquake, in loss as small as possible, or install then from surfaces of the gateposts.SOLUTION: An earthquake strengthening device for gateposts arranged between gateposts 1 installed in a dam 16 in accordance with the present invention is configured: to attach a truss frame 2 made of connection members connected in a truss configuration in a frame body formed with an upper chord member 5 and a lower chord member 4, and upper parts of posts connecting the upper chord member 5 and the lower chord member 4 by stretching it between the posts on an upper part of posts 7 connected to the gateposts 1; and to connect earthquake-proof braces 3 between a lower part of the truss frame 2 and post legs.SELECTED DRAWING: Figure 1
Inventors:
Yoshiaki Senoo
Kentaro Suzuki
Masaharu Kubota
Shun Okawa
Naonori Kurokawa
Tetsuya Kadota
Tamao Futao
Shinji Okamoto
Naoyoshi Kawamura
Kentaro Suzuki
Masaharu Kubota
Shun Okawa
Naonori Kurokawa
Tetsuya Kadota
Tamao Futao
Shinji Okamoto
Naoyoshi Kawamura
Application Number:
JP2019204406A
Publication Date:
May 26, 2021
Filing Date:
November 12, 2019
Export Citation:
Assignee:
Tobishima Construction Co., Ltd.
International Classes:
E02B7/20; E01D22/00; E04G23/02; E04H9/02; F16F15/02; F16F15/023
Domestic Patent References:
| JP2012255330A | ||||
| JP2507596Y2 | ||||
| JP60124434U |
Foreign References:
| CN103898836A | ||||
| CN106677070A |
Attorney, Agent or Firm:
Giichiro Ito