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Patent Searching and Data


Title:
METHOD FOR CORRECTING CONCRETE SLAB ON SUNK GROUND
Document Type and Number:
WIPO Patent Application WO/2017/209160
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for accurately correcting a concrete slab on a sunken ground by injecting expandable resin below the concrete slab a plurality of times, wherein the method facilitates operation process management. The method provided as the solution according to the present invention involves executing, a plurality of times, a step for determining the points where injection holes are to be bored at a pitch of 0.5-2.0 m for injecting expandable resin in a grid or zigzag manner into the concrete slab of an area including a range in which ground sinking has occurred, and pushing up the concrete slab by at most 30 mm by injecting and expanding the expandable resin below a point where the concrete slab has sunken most.

Inventors:
MATSUDO Nobukazu (261-44, Suenaga Takatsu-ku, Kawasaki-sh, Kanagawa 13, 〒2130013, JP)
KAWAGUCHI Koji (KSP East Bldg. 611 3-2-1, Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 〒2130012, JP)
Application Number:
JP2017/020184
Publication Date:
December 07, 2017
Filing Date:
May 31, 2017
Export Citation:
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Assignee:
UPCON CORPORATION (KSP East Bldg. 611, 3-2-1 Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 〒2130012, JP)
MATSUDO Nobukazu (261-44, Suenaga Takatsu-ku, Kawasaki-sh, Kanagawa 13, 〒2130013, JP)
International Classes:
E02D35/00; E02D3/12; E02D27/38
Attorney, Agent or Firm:
TSUJITA Takashi et al. (KT building 4F, 11-12 Takada 3-chome, Toshima-k, Tokyo 33, 〒1710033, JP)
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