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Title:
INSPECTION AND MEASUREMENT METHOD FOR GROUND SUBSIDENCE CAVITY IN CONCRETE CIVIL ENGINEERING STRUCTURE
Document Type and Number:
Japanese Patent JP2010090668
Kind Code:
A
Abstract:

To provide an inspection and measurement method for a ground subsidence cavity in a concrete civil engineering structure, enabling an inspection and measurement device to be mounted on the structure from the start of its construction.

A plurality of through-holes 2 for inspection and measurement allowing the inspection and measurement device for measuring ground subsidence, a cavity, and a level of underground water to be mounted are provided independently from a grout hole 7 in concrete secondary products for forming a sluice gate, a covered conduit 10 or the like and the cast-in-place concrete structure 1. The through-hole 2 for inspection and measurement is formed by burying a synthetic resin-made pipe or a steel pipe or a ceramic pipe in the predetermined position of the structure 1 in advance.


Inventors:
TOFUSA MITSURU
KONO TAKAO
MAKITA KENSAKU
Application Number:
JP2008264235A
Publication Date:
April 22, 2010
Filing Date:
October 10, 2008
Export Citation:
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Assignee:
NISSHIN KOGYO KK
TOFUSA MITSURU
International Classes:
E03F7/00; E02D1/00; E02D17/18; E03F3/04; E21D11/00
Domestic Patent References:
JPH07259169A1995-10-09
JPH08209812A1996-08-13
JPH05643B21993-01-06
Attorney, Agent or Firm:
Lawyer corporation Saito Law and Patent Office