Title:
LAUNCHING DIRECTION CORRECTING METHOD FOR BRIDGE GIRDER LAUNCHING ERECTION
Document Type and Number:
Japanese Patent JP3441710
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a direction correcting method capable of correcting a launching direction while launching bridge girders without interrupting the bridge girder launching work.
SOLUTION: Plural launching devices B are provided on a bridge pier C, and a bridge girder A is placed on the launching devices B, and a rear part of the bridge girder A is pushed or a front part of the bridge girder is pulled so as to transfer the bridge girder A onto the launching device B on the bridge pier positioned in front in the bridge axial direction. In this launching erection, plural launching devices B provided in parallel with each other on the bridge pier C for supporting cross direction of the bridge girder A to be fed are coordinately moved in the same direction at the same time so as to correct a displacement in the launching direction while launching the bridge girder.
More Like This:
Inventors:
Ryoichi Takii
Application Number:
JP2000313928A
Publication Date:
September 02, 2003
Filing Date:
October 13, 2000
Export Citation:
Assignee:
Otaki Hydraulic Co., Ltd.
International Classes:
E01D2/00; E01D21/00; (IPC1-7): E01D21/00
Domestic Patent References:
| JP9302626A | ||||
| JP93830A | ||||
| JP2000351434A | ||||
| JP2148014U |
Attorney, Agent or Firm:
Mitsuo Chonan (2 outside)
Previous Patent: MUSCOVADO VINEGAR AND METHOD FOR PRODUCING THE SAME
Next Patent: HALFTONE PHASE SHIFT MASK AND HALFTONE PHASE SHIFT MASK BLANK
Next Patent: HALFTONE PHASE SHIFT MASK AND HALFTONE PHASE SHIFT MASK BLANK