Title:
METHOD FOR SAMPLING CORES FROM CONCRETE STRUCTURE
Document Type and Number:
Japanese Patent JP2020059975
Kind Code:
A
Abstract:
To propose a method for sampling concrete cores from a concrete structure that enables the cores to be sampled in the state available to use in laboratory tests and the like.SOLUTION: A method for sampling concrete cores from a concrete structure includes the steps of: drilling an injection hole 3 in the concrete structure 1; injecting a resin 5 from the injection hole 3; and extracting concrete cores 2 centering on the injection hole 3 from the concrete structure 1 after the resin 5 is solidified. The inner diameter of the injection hole 3 is in the range of 4.5 mm to 10 mm. The outer diameter of the concrete core 2 is set within the range of 14.5 mm to 100 mm.SELECTED DRAWING: Figure 1
Inventors:
TANIKURA IZUMI
WATANABE SHINYA
WATANABE SHINYA
Application Number:
JP2018189657A
Publication Date:
April 16, 2020
Filing Date:
October 05, 2018
Export Citation:
Assignee:
JAPAN CONSTRUCTION MACHINERY & CONSTRUCTION ASS
International Classes:
E21B25/00; E21B10/02; G01N33/38
Attorney, Agent or Firm:
Isono International Patent and Trademark Office