EP3740348A4 - Method and apparatus for performing field elongation measurements - Google Patents

Method and apparatus for performing field elongation measurements Download PDF

Info

Publication number
EP3740348A4
EP3740348A4 EP18901205.7A EP18901205A EP3740348A4 EP 3740348 A4 EP3740348 A4 EP 3740348A4 EP 18901205 A EP18901205 A EP 18901205A EP 3740348 A4 EP3740348 A4 EP 3740348A4
Authority
EP
European Patent Office
Prior art keywords
performing field
elongation measurements
field elongation
measurements
field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18901205.7A
Other languages
German (de)
French (fr)
Other versions
EP3740348A1 (en
Inventor
Bradley Wayne COOK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E Longation LLC
Original Assignee
E Longation LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by E Longation LLC filed Critical E Longation LLC
Publication of EP3740348A1 publication Critical patent/EP3740348A1/en
Publication of EP3740348A4 publication Critical patent/EP3740348A4/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E04C5/12—Anchoring devices
    • E04C5/122—Anchoring devices the tensile members are anchored by wedge-action
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/121—Construction of stressing jacks
EP18901205.7A 2018-01-19 2018-12-21 Method and apparatus for performing field elongation measurements Pending EP3740348A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862709458P 2018-01-19 2018-01-19
PCT/US2018/067246 WO2019143444A1 (en) 2018-01-19 2018-12-21 Method and apparatus for performing field elongation measurements

Publications (2)

Publication Number Publication Date
EP3740348A1 EP3740348A1 (en) 2020-11-25
EP3740348A4 true EP3740348A4 (en) 2022-01-26

Family

ID=67302456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18901205.7A Pending EP3740348A4 (en) 2018-01-19 2018-12-21 Method and apparatus for performing field elongation measurements

Country Status (10)

Country Link
EP (1) EP3740348A4 (en)
JP (2) JP7275150B2 (en)
KR (1) KR102649991B1 (en)
CN (1) CN111918751B (en)
AU (1) AU2018403226A1 (en)
BR (1) BR112020014649A2 (en)
CA (1) CA3088979A1 (en)
MX (1) MX2020007685A (en)
RU (1) RU2020127422A (en)
WO (1) WO2019143444A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7391689B2 (en) 2020-01-31 2023-12-05 住友電気工業株式会社 Displacement measurement device, displacement measurement method, tension control chart creation method
CN113514184B (en) * 2021-09-14 2021-12-07 四川交达预应力工程检测科技有限公司 Anchoring force detection device and measurement calculation method
CN114166131A (en) * 2021-12-08 2022-03-11 郑州天宏工程检测有限公司 System for detecting elongation after fracture of steel bar and using method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017672U1 (en) * 1990-12-06 1991-07-04 Bauer Spezialtiefbau Gmbh, 8898 Schrobenhausen, De
JP2008070205A (en) * 2006-09-13 2008-03-27 Akebono Brake Ind Co Ltd Tensile force detection device for ground anchor, tensile force detection method, and sensor plate mounting tool
US20110162173A1 (en) * 2010-01-06 2011-07-07 John Ciminski Quick release clamp and method of use
US20120266441A1 (en) * 2011-04-20 2012-10-25 Parente Ralph A Wedge Installation and Seating Tool and Method of Use
KR101453303B1 (en) * 2013-11-12 2014-10-22 (주)나노지오이엔씨 Retension for anchorage

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480369A (en) * 1982-02-22 1984-11-06 Sanders Nicholas A Gripping tool
US4805877A (en) 1987-09-28 1989-02-21 Charles Hoekstra Tendon stressing jack and method
JPH0533010U (en) * 1991-10-07 1993-04-30 住友電設株式会社 PC steel wire elongation measuring instrument
CA2209664C (en) * 1995-01-06 2005-06-07 The Burke Group Concrete structure having load transferring insert and method for making same
JP2967923B2 (en) * 1997-08-27 1999-10-25 鹿島建設株式会社 Ground anchor extension measurement device
US6240699B1 (en) * 1999-09-08 2001-06-05 Wayne Alan Scanlon Magnetic wedge installer
US6470636B1 (en) * 2000-08-07 2002-10-29 Dallas R. Rose Detensioning apparatus for releasing a chuck on a prestressed strand
DE10062227A1 (en) * 2000-12-13 2002-06-20 Dyckerhoff & Widmann Ag Method for installing and tensioning a freely tensioned tension member, in particular a stay cable for a stay cable bridge, and anchoring device for carrying out the method
CN2720002Y (en) * 2004-08-19 2005-08-24 王继成 Digital-display type prestress tensioning device
US8226354B2 (en) * 2007-12-26 2012-07-24 General Electric Company Magnetostrictive measurement of tensile stress in foundations
CN101769075B (en) * 2008-12-30 2012-06-06 中铁西北科学研究院有限公司深圳南方分院 Method for detecting concrete beam anchor lower prestress and device for realizing method
AU2009357220A1 (en) * 2009-12-24 2012-05-31 Vsl International Ag Method and system for equally tensioning multiple strands
CN202090290U (en) * 2011-05-20 2011-12-28 中国十九冶集团有限公司 Tool for tensioning prestressing steel bar
WO2014095330A1 (en) * 2012-12-18 2014-06-26 Wobben Properties Gmbh Anchor, tensioning device, wind turbine and method for putting tensile element strands under tensile stress on an anchor
US9931764B2 (en) * 2014-04-21 2018-04-03 Actuant Corporation Pocketformer with releasable grout ring and tendon, tail gauge and method for using
JP6259384B2 (en) 2014-10-06 2018-01-10 株式会社安部日鋼工業 Tensile stretch amount measuring device and tendon stretch amount measuring method
KR101643732B1 (en) * 2015-07-29 2016-07-28 서울대학교산학협력단 System for controlling of prestressing force in post-tension method
WO2017023893A1 (en) * 2015-08-04 2017-02-09 Felix Sorkin Spindle lock anchor for post tensioned concrete member

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017672U1 (en) * 1990-12-06 1991-07-04 Bauer Spezialtiefbau Gmbh, 8898 Schrobenhausen, De
JP2008070205A (en) * 2006-09-13 2008-03-27 Akebono Brake Ind Co Ltd Tensile force detection device for ground anchor, tensile force detection method, and sensor plate mounting tool
US20110162173A1 (en) * 2010-01-06 2011-07-07 John Ciminski Quick release clamp and method of use
US20120266441A1 (en) * 2011-04-20 2012-10-25 Parente Ralph A Wedge Installation and Seating Tool and Method of Use
KR101453303B1 (en) * 2013-11-12 2014-10-22 (주)나노지오이엔씨 Retension for anchorage

Also Published As

Publication number Publication date
WO2019143444A4 (en) 2019-09-12
KR20200121812A (en) 2020-10-26
RU2020127422A (en) 2022-02-21
WO2019143444A1 (en) 2019-07-25
RU2020127422A3 (en) 2022-03-05
CN111918751B (en) 2022-06-07
JP2021511512A (en) 2021-05-06
MX2020007685A (en) 2020-10-14
BR112020014649A2 (en) 2020-12-01
JP2023099585A (en) 2023-07-13
CA3088979A1 (en) 2019-07-25
CN111918751A (en) 2020-11-10
AU2018403226A1 (en) 2020-09-03
JP7275150B2 (en) 2023-05-17
KR102649991B1 (en) 2024-03-22
EP3740348A1 (en) 2020-11-25

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