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Title:
EMBEDDING CONSTRUCTION INSPECTION METHOD FOR SEWERAGE PIPE AND EMBEDDING CONSTRUCTION INSPECTION DEVICE FOR SEWERAGE PIPE
Document Type and Number:
Japanese Patent JP3566270
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To improve objectivity of quality of construction of a sewerage pipe, to attain conformity of digitizing of construction inspection result on the sewerage pipe with determination of individual concrete construction quality, and to facilitate construction of a sewerage pipe and inspection on secular changes.
SOLUTION: According to this sewerage pipe embedding inspection method, a sewerage 3 is formed by burying a plurality of water line pipes 1 connected between a pair of manholes 2 previously buried in designated positions, and a light emitter 11 for emitting a light beam 12 is installed in the center of a drain port 4 or an inflow port 5 of one of manholes 2 located either on an upper course side or on a lower course side. A measuring device 15 provided with a camera head 18 having a photo detecting part 26 is self-run from the drain port 4 of the inflow port 5 of the other of the manholes. A received light beam 12 is displayed with an image viewing the interior of the sewerage pipe 1 by the camera head 18 as a beam optical point B on a screen of a monitor 27, to thereby measure inclination of the sewerage pipe 1 and/or meandering degree thereof.


Inventors:
Chiju Shigeno
Application Number:
JP2002203244A
Publication Date:
September 15, 2004
Filing Date:
July 11, 2002
Export Citation:
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Assignee:
Limited company Shigeno
International Classes:
E03F7/00; G01C7/06; G01C9/00; G01C9/06; G01C15/00; (IPC1-7): G01C15/00; E03F7/00; G01C7/06
Domestic Patent References:
JP4121636A
JP1269006A
JP60006822A
JP2002090146A
Attorney, Agent or Firm:
Junichiro Shinseki
Chiaki Shinseki