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MX2018013598A - Dispositivo para destensar barras y metodos para operar el mismo. - Google Patents

Dispositivo para destensar barras y metodos para operar el mismo.

Info

Publication number
MX2018013598A
MX2018013598A MX2018013598A MX2018013598A MX2018013598A MX 2018013598 A MX2018013598 A MX 2018013598A MX 2018013598 A MX2018013598 A MX 2018013598A MX 2018013598 A MX2018013598 A MX 2018013598A MX 2018013598 A MX2018013598 A MX 2018013598A
Authority
MX
Mexico
Prior art keywords
rod
unit
tensioning
engages
gripping
Prior art date
Application number
MX2018013598A
Other languages
English (en)
Inventor
Lindyberg Robert
Khan Rakesh
Karshenas Afshin
Brennon Fuqua
Ferguson Travis
Original Assignee
Fdh Infrastructure Services 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 Fdh Infrastructure Services Llc filed Critical Fdh Infrastructure Services Llc
Publication of MX2018013598A publication Critical patent/MX2018013598A/es

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/042—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands by measuring vibrational characteristics of the flexible member

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Barrages (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

Una unidad para destensar barras que incluye un dispositivo de remoción de unidad de sujeción que se acopla a una unidad de sujeción en una barra, un bastidor de silla configurado para acoplarse a una barra, una unidad de tensión de barra que aplica tensión a una porción externa de la barra para remover la carga de la unidad de sujeción, una unidad de celda de carga que mide un nivel de tensión aplicada a la barra por la unidad de tensión, una unidad de sujeción de placa que se acopla a la barra y asegura a la barra el bastidor de silla, la unidad de tensión de barra, la celda de carga y la unidad de sujeción de placa, una unidad de impulsión que se acopla con el dispositivo de remoción de la unidad de sujeción, y una unidad de extensión fijada a la porción externa de la barra cuando la longitud de la barra externa original es demasiado corta para acomodar la unidad para destensar.
MX2018013598A 2016-05-12 2017-05-09 Dispositivo para destensar barras y metodos para operar el mismo. MX2018013598A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662335362P 2016-05-12 2016-05-12
US15/590,490 US10753111B2 (en) 2016-05-12 2017-05-09 Rod de-tensioning device
PCT/US2017/031761 WO2017196849A1 (en) 2016-05-12 2017-05-09 Rod de-tensioning device and methods of operating the same

Publications (1)

Publication Number Publication Date
MX2018013598A true MX2018013598A (es) 2019-08-05

Family

ID=60267959

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018013598A MX2018013598A (es) 2016-05-12 2017-05-09 Dispositivo para destensar barras y metodos para operar el mismo.

Country Status (6)

Country Link
US (2) US10753111B2 (es)
JP (1) JP6961682B2 (es)
BR (1) BR112018072943A2 (es)
CA (1) CA3022477A1 (es)
MX (1) MX2018013598A (es)
WO (1) WO2017196849A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111676909B (zh) * 2020-07-13 2025-03-11 中国电建集团昆明勘测设计研究院有限公司 移动式弧形闸门锁锭装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB692354A (en) 1950-01-23 1953-06-03 Stanton Ironworks Co Ltd Improvements in or relating to centrifugally spun concrete products
US2761649A (en) 1953-03-03 1956-09-04 J J Udall S Building Company L Means for tensioning rods and the like
US3022713A (en) 1954-11-26 1962-02-27 Bengt F Friberg Prestressed concrete structures
US2886875A (en) 1956-11-14 1959-05-19 Concrete Technology Corp Apparatus and method for releasing loads on stressing beds for making prestressed concrete
GB1038899A (en) 1964-09-21 1966-08-10 Mccalls Macalloy Ltd Hydraulic jack for prestressing bars, cables, or the like
US3587392A (en) * 1969-01-21 1971-06-28 Cable Covers Ltd Means for controlling the operation of hydraulically operated jacks
US3703030A (en) 1969-09-26 1972-11-21 James S Simms Improvements in tensioning devices
US4302979A (en) * 1971-06-16 1981-12-01 Dykmans Maximiliaan J Means and techniques useful in stressing cable
US4307550A (en) 1980-02-29 1981-12-29 Abraham Behar Apparatus for pre-stressing concrete structural member
AT390100B (de) * 1985-03-05 1990-03-12 Vorspann Technik Gmbh Verankerung fuer spannglieder
US4862576A (en) * 1988-08-30 1989-09-05 Lu Hsi H Method for restressing and locking HHL anchor
US5802788A (en) * 1994-02-22 1998-09-08 Kabushiki Kaisha Komatsu Seisakusho Komatsu Plastics Industry Co., Ltd. Fixing device for tensioning member for prestressed concrete
US5713558A (en) 1995-03-17 1998-02-03 Junkers; John K. Hydraulic tensioner
JP2888806B2 (ja) * 1996-08-30 1999-05-10 株式会社ニチゾウテック ダムゲートの支持状態検出方法
DE19733822A1 (de) 1997-08-05 1999-02-11 Dyckerhoff & Widmann Ag Verfahren zum Einbauen und Spannen eines freigespannten Zugglieds und Vorrichtung zum Durchführen des Verfahrens
JPH11209974A (ja) * 1998-01-29 1999-08-03 Hazama Gumi Ltd アンカーヘッド、ラムチェア及びアンカーの再緊張工法
US6470636B1 (en) 2000-08-07 2002-10-29 Dallas R. Rose Detensioning apparatus for releasing a chuck on a prestressed strand
US7033116B1 (en) 2004-09-03 2006-04-25 Thomas Ward Post-tensioned rammed earth construction
JP3893601B1 (ja) * 2005-09-30 2007-03-14 株式会社相愛 アンカーメンテナンスジャッキ、及び既設のグラウンドアンカーのジャッキアップ方法
KR100780088B1 (ko) * 2005-12-05 2007-11-29 신종덕 인장재제거용 앵커의 내부정착제
US7819388B2 (en) 2006-01-17 2010-10-26 Mccallion James P Tendon gripping device
US7313975B1 (en) 2006-02-13 2008-01-01 Romel Scorteanu Apparatus and method for measuring tension in guy wires
DE102007008704B4 (de) 2007-02-20 2014-04-17 Rail.One Gmbh Verfahren zur Herstellung einer Betonschwelle
JP5440772B2 (ja) * 2009-09-29 2014-03-12 国立大学法人三重大学 アンカー荷重計着脱システム、アンカー荷重計共設置セット、アンカー荷重計着脱ユニット、およびアンカーへの荷重計着脱方法
JP5971596B2 (ja) * 2013-04-24 2016-08-17 国立大学法人三重大学 グラウンドアンカー再緊張用治具及び該グラウンドアンカー再緊張用治具を用いた楔片の固定状態解除方法

Also Published As

Publication number Publication date
CA3022477A1 (en) 2017-11-16
WO2017196849A1 (en) 2017-11-16
JP6961682B2 (ja) 2021-11-05
US11319715B2 (en) 2022-05-03
BR112018072943A2 (pt) 2019-02-19
JP2019518894A (ja) 2019-07-04
US20170335581A1 (en) 2017-11-23
US10753111B2 (en) 2020-08-25
US20200347621A1 (en) 2020-11-05

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