The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 14, 2018

Filed:

Dec. 20, 2016
Applicant:

Kolon Global Corporation, Gwacheon-si, Gyeonggi-do, KR;

Inventors:

Kyoung Chul Kim, Seoul, KR;

Se Jin Kim, Yongin-si, KR;

Sung Gon Son, Anyang-si, KR;

Jae Seo Choi, Uiwang-si, KR;

Sang Heon Choi, Suwon-si, KR;

Assignee:

KOLON GLOBAL CORPORATION, Gwacheon-si, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 5/80 (2006.01); E21D 20/02 (2006.01); E21D 21/00 (2006.01);
U.S. Cl.
CPC ...
E02D 5/805 (2013.01); E02D 5/80 (2013.01); E02D 5/808 (2013.01); E02D 2250/003 (2013.01); E02D 2250/0038 (2013.01); E02D 2300/002 (2013.01); E02D 2600/30 (2013.01); E21D 20/02 (2013.01); E21D 21/0073 (2016.01);
Abstract

Provided is a ground reinforcement structure installed on a ground () in which a sandy soil layer () having a weak surface layer is provided and thus large-caliber excavation is difficult to be performed, the ground reinforcement structure including a ground reinforcement material () including: an expansion-type steel pipe () inserted to be installed in a small-caliber drilled portion (A) having a diameter of 51 mm to 61 mm and expanded by hydraulic pressure; and a settlement member () coupled to a rear end of the expansion-type steel pipe (). Here, the expansion-type steel pipe () is inserted into the sandy soil layer (), and the settlement member () is inserted into a rock layer (). In this case, the settlement member () of the ground reinforcement structure according to the present invention is fixed to the rock layer (), fixing force is excellent.


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