Title:
TEMPORARY COFFERDAM CONSTRUCTION METHOD, AND COFFERDAM MEMBER ASSEMBLING AND SINKING DEVICE
Document Type and Number:
Japanese Patent JP3020896
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cofferdam member assembling and sinking device which enables the assembling and sinking of cofferdam members in a easy and safe manner by using a pontoon disposed in a limited range in the case where there is limitation to a disposing position of the pontoon for assembling the cofferdam members.
SOLUTION: The assembling and sinking device is provided with plural winding devices 2 installed on brackets 12 protruded on beam parts 11 of a bridge pier, a circular elevation frame 3 horizontally suspended from the winding devices, and circular rails 6 disposed and supported on the elevation frame 3 to be rotatable in a horizontal plain through plural plain trolleys 4. It is also composed of a rotation drive mechanism 5 disposed on the elevation frame 3 to drive the circular rails 6 to rotate in the horizontal plain to the elevation frame 3, and an installation ring 7 of cofferdam members 8 disposed on the circular rails 6.
Inventors:
Akemi Nakajo
Katsuyuki Mitani
Kenji Bando
Hiroyuki Nishikawa
Katsuyuki Mitani
Kenji Bando
Hiroyuki Nishikawa
Application Number:
JP18170097A
Publication Date:
March 15, 2000
Filing Date:
June 23, 1997
Export Citation:
Assignee:
Konoike Gumi Co., Ltd.
International Classes:
E02D19/04; E01D19/02; E01D21/00; E01D22/00; (IPC1-7): E02D19/04; E01D21/00
Domestic Patent References:
| JP9158192A |
Attorney, Agent or Firm:
Osamu Mori (1 outside)