Title:
ANCHOR DEVICE ENABLING CHECKUP OF TENSILE FORCE BY NAKED EYE AND METHOD FOR INSTALLING SAME
Document Type and Number:
WIPO Patent Application WO/2019/039787
Kind Code:
A1
Abstract:
The present invention provides an anchor device enabling checkup of tensile force by the naked eye and a method for installing the same, the anchor device comprising: a reaction device (20) which is placed on a geopressure plate (10), and which has a through-hole (21) provided such that a steel strand penetrates the same; an annular leaf spring (30) which surrounds a plurality of steel strands from outside, and which is placed on the upper portion of the reaction device (20); and a head (40) which has a plurality of wedge holes (41) provided such that the plurality of steel strands (60) penetrate the same, respectively, and which is placed on the reaction device (20) with the leaf spring (30) interposed therebetween, wherein the leaf spring (30) comprises a convex portion (32), the center portion of which protrudes to be convex upward, and concave portions (34) provided on the outer end portion and inner end portion of the convex portion (32), respectively, to be convex downward such that the same extend outward with reference to an inflection point (33) provided on the outer end portion and extend inward with reference to an inflection point (33) provided on the inner end portion of the convex portion (32), curved parts of the concave portions (34) contact the upper surface of the reaction device (20), and end portions of the concave portions (34) extend upward past the parts contacting the upper surface of the reaction device (20).
Inventors:
LEE YONG-JOO (KR)
JUNG HYUK-SANG (KR)
KIM HO-KYU (KR)
KIM SUNG-KYU (KR)
PARK WON-TAE (KR)
OH DONG-WOOK (KR)
YOON HWAN-HEE (KR)
JUNG HYUK-SANG (KR)
KIM HO-KYU (KR)
KIM SUNG-KYU (KR)
PARK WON-TAE (KR)
OH DONG-WOOK (KR)
YOON HWAN-HEE (KR)
Application Number:
PCT/KR2018/009319
Publication Date:
February 28, 2019
Filing Date:
August 14, 2018
Export Citation:
Assignee:
INDUSTRY ACADEMIC COOPERATION FOUNDATION OF DONGYANG UNIV (KR)
GROUND E&C (KR)
DONG SUNG ENGINNERING LTD (KR)
WOORI TECH DEVELOPMENT CO LTD (KR)
FOUND RES & BUSINESS SEOUL NAT UNIV SCI & TECH (KR)
GROUND E&C (KR)
DONG SUNG ENGINNERING LTD (KR)
WOORI TECH DEVELOPMENT CO LTD (KR)
FOUND RES & BUSINESS SEOUL NAT UNIV SCI & TECH (KR)
International Classes:
E02D5/80; E02D3/12
Foreign References:
| KR101232642B1 | 2013-02-13 | |||
| KR20150107545A | 2015-09-23 | |||
| KR101579908B1 | 2015-12-24 | |||
| KR20100018714A | 2010-02-18 | |||
| JP2003184081A | 2003-07-03 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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