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Title:
BRIDGE INSPECTION SUPPORT SYSTEM AND BRIDGE INSPECTION SUPPORT METHOD
Document Type and Number:
Japanese Patent JP2017106170
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable effective road maintenance, by simply confirming a damage state of an undersurface of a bridge.SOLUTION: A photographing device of turning at least in the just above direction, obliquely upward backward and obliquely downward forward, provides an expansion image by a bridge inspection support method of including a travel step of traveling on a road under a bridge by a travel vehicle having the photographing device for setting a restrictor valve to a maximum value, at least a photographing step of acquiring a plurality of photographing images of an undersurface of the bridge by returning the restrictor value to a maximum in the timing of finishing photographing, by opening the restrictor value to a designation value in the timing of starting the photographing, by photographing the undersurface of the bridge from the respective photographing devices over just after from just before the vehicle passes through under the bridge and an image correction step of generating the expansion image of the undersurface of the bridge by correcting a plurality of acquired photographing images.SELECTED DRAWING: Figure 3

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Inventors:
HASHIZUME KENJI
HASHIMOTO KAZUAKI
AKASHI YUKIO
Application Number:
JP2015238359A
Publication Date:
June 15, 2017
Filing Date:
December 07, 2015
Export Citation:
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Assignee:
WEST NIPPON EXPRESSWAY ENG SHIKOKU CO LTD
International Classes:
E01D22/00; G01N21/84
Domestic Patent References:
JPH08128015A1996-05-21
JPH09161068A1997-06-20
JPH11337493A1999-12-10
JP2015186020A2015-10-22
JP2001099784A2001-04-13
JPH04124399A1992-04-24
JP2004187220A2004-07-02
JP2003185589A2003-07-03
JPH09284749A1997-10-31
JP2014082768A2014-05-08
JP2013021730A2013-01-31
Foreign References:
US20080266390A12008-10-30
Attorney, Agent or Firm:
Takahisa Kimura



 
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