RU2016130162A - Tension device and method for reinforcing a structural element - Google Patents

Tension device and method for reinforcing a structural element Download PDF

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Publication number
RU2016130162A
RU2016130162A RU2016130162A RU2016130162A RU2016130162A RU 2016130162 A RU2016130162 A RU 2016130162A RU 2016130162 A RU2016130162 A RU 2016130162A RU 2016130162 A RU2016130162 A RU 2016130162A RU 2016130162 A RU2016130162 A RU 2016130162A
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RU
Russia
Prior art keywords
tensioned
sheet
force
tensioned element
reinforcing
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RU2016130162A
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Russian (ru)
Inventor
Реза ХАГАНИ
Мохаммад АЛЬ-ЭМРАНИ
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Тенрок Текнолоджис Аб
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Publication of RU2016130162A publication Critical patent/RU2016130162A/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08Members specially adapted to be used in prestressed constructions
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08Members specially adapted to be used in prestressed constructions
    • E04C5/085Tensile members made of fiber reinforced plastics
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/10Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal prestressed
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • E04C3/26Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08Members specially adapted to be used in prestressed constructions
    • E04C5/12Anchoring devices
    • E04C5/127The tensile members being made of fiber reinforced plastics
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • E04G21/121Construction of stressing jacks
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
    • E04G2023/0255Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements whereby the fiber reinforced plastic elements are stressed
    • E04G2023/0259Devices specifically adapted to stress the fiber reinforced plastic elements

Claims (23)

1. Натяжное устройство для усиления и/или ремонта конструктивного элемента (10) посредством предварительно напряженного обшивочного листа (112), содержащее1. A tensioning device for reinforcing and / or repairing a structural element (10) by means of a prestressed cladding sheet (112), comprising напрягаемый элемент (118, 120, 118', 120', 128, 118'''), присоединяемый к крепежной конструкции (130) по меньшей мере для временного прикрепления указанного устройства (100, 100', 100'', 100''') к обшивочному листу (112),pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') attached to the mounting structure (130) at least for temporary attachment of the specified device (100, 100', 100 '', 100 '' ' ) to the casing sheet (112), причем напрягаемый элемент (118, 120, 118', 120', 128, 118''') выполнен таким образом, что при приложении усилия к напрягаемому элементу (118, 120, 118', 120', 128, 118''') разные части напрягаемого элемента (118, 120, 118', 120', 128, 118''') будут немедленно подвергнуты воздействию усилий разной величины.moreover, the pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') is designed in such a way that when a force is applied to the pre-tensioned element (118, 120, 118', 120 ', 128, 118' ') different parts of the prestressing element (118, 120, 118 ', 120', 128, 118 '' ') will be immediately exposed to forces of different sizes. 2. Устройство по п. 1, дополнительно содержащее источник (140) давления для создания усилия предварительного напряжения для устройства (100) путем приложения напряжения к напрягаемому элементу (118, 120, 118', 120', 128, 118''').2. The device according to claim 1, further comprising a pressure source (140) for generating a prestressing force for the device (100) by applying a voltage to the tensioned element (118, 120, 118 ', 120', 128, 118 ''). 3. Устройство по п. 2, в котором источник (140) давления содержит гидравлически или механически управляемый цилиндро-поршневой механизм, привод винтовой стяжки или винт.3. The device according to claim 2, wherein the pressure source (140) comprises a hydraulically or mechanically controlled cylinder-piston mechanism, a screw coupler drive, or a screw. 4. Устройство по любому из предыдущих пунктов, в котором напрягаемый элемент (128) содержит корпус, имеющий клиновидную форму.4. The device according to any one of the preceding paragraphs, in which the prestressing element (128) comprises a housing having a wedge-shaped shape. 5. Устройство по любому из пунктов 1-3, в котором напрягаемый элемент (118, 18', 118''') содержит ряд лапок.5. The device according to any one of paragraphs 1-3, in which the prestressing element (118, 18 ', 118' '') contains a number of legs. 6. Устройство по п. 5, в котором каждая лапка (118, 118') соединена со смежной лапкой (118, 118') посредством по меньшей мере одной пружины (120, 120'), и в котором осевая жесткость (K) указанных пружин (120, 120') уменьшается вдоль длины устройства (100, 100').6. The device according to claim 5, in which each foot (118, 118 ') is connected to an adjacent foot (118, 118') by at least one spring (120, 120 '), and in which the axial stiffness (K) of these springs (120, 120 ') decreases along the length of the device (100, 100'). 7. Устройство по п. 5, в котором каждая лапка (118') соединена с источником (140) давления, используемым для приложения усилия предварительного напряжения к устройству (100') посредством пружины (120').7. The device according to claim 5, in which each tab (118 ') is connected to a pressure source (140) used to exert a pre-stress force on the device (100') by means of a spring (120 '). 8. Устройство по п. 5, в котором каждая из указанных лапок (118''') соединена с соответствующим источником (140) давления.8. The device according to claim 5, in which each of these tabs (118 '' ') is connected to a corresponding pressure source (140). 9. Устройство по любому из пп. 1-3, 6-8, в котором устройство (100, 100', 100'', 100''') прикреплено к обшивочному листу (112) посредством промежуточных средств (112а), таких как полоса усиленного волокнами полимера, деревянная полоса или пластмассовая полоса.9. The device according to any one of paragraphs. 1-3, 6-8, in which the device (100, 100 ', 100``, 100' '') is attached to the sheathing sheet (112) by means of intermediate means (112a), such as a strip of fiber-reinforced polymer, a wooden strip or plastic strip. 10. Способ усиления конструктивного элемента путем приложения предварительного напряжения к обшивочному листу, прикрепляемому к конструктивному элементу, включающий этапы:10. A method of reinforcing a structural element by applying prestress to a cladding sheet attached to a structural element, comprising the steps of: по меньшей мере временного прикрепления напрягаемого элемента к обшивочному листу посредством крепежной конструкции иat least temporarily attaching the prestressing element to the cladding sheet by means of a fastening structure and приложения усилия к напрягаемому элементу таким образом, что при создании усилия разные части напрягаемого элемента будут немедленно подвергнуты воздействию усилий разной величины.applying a force to the pre-tensioned element in such a way that when creating the force, different parts of the pre-tensioned element will immediately be exposed to forces of different sizes. 11. Натяжное устройство для усиления и/или ремонта конструктивного элемента (10) посредством предварительно напряженного обшивочного листа (112), содержащее11. A tensioning device for reinforcing and / or repairing a structural element (10) by means of a prestressed cladding sheet (112), comprising напрягаемый элемент (118, 120, 118', 120', 128, 118'''), присоединяемый к крепежной конструкции (130) по меньшей мере для временного прикрепления указанного устройства (100, 100', 100'', 100''') к обшивочному листу (112),pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') attached to the mounting structure (130) at least for temporary attachment of the specified device (100, 100', 100 '', 100 '' ' ) to the casing sheet (112), причем напрягаемый элемент (118, 120, 118', 120', 128, 118''') имеет переменную осевую жесткость вдоль продольного направления таким образом, что при приложении усилия к напрягаемому элементу (118, 120, 118', 120', 128, 118''') разные части обшивочного листа (112) будут немедленно подвергнуты воздействию напряжений разной величины.moreover, the pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') has a variable axial stiffness along the longitudinal direction so that when a force is applied to the pre-tensioned element (118, 120, 118', 120 ', 128 , 118 '' ') different parts of the casing sheet (112) will be immediately exposed to stresses of different sizes. 12. Натяжное устройство для усиления и/или ремонта конструктивного элемента (10) посредством предварительно напряженного обшивочного листа (112), содержащее12. A tensioning device for reinforcing and / or repairing a structural element (10) by means of a prestressed cladding sheet (112), comprising напрягаемый элемент (118, 120, 118', 120', 128, 118'''), присоединяемый к крепежной конструкции (130) по меньшей мере для временного прикрепления указанного устройства (100, 100', 100'', 100''') к обшивочному листу (112),pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') attached to the mounting structure (130) at least for temporary attachment of the specified device (100, 100', 100 '', 100 '' ' ) to the casing sheet (112), причем напрягаемый элемент (118, 120, 118', 120', 128, 118''') содержит корпус, имеющий клиновидную форму, благодаря чему напрягаемый элемент (118, 120, 118', 120', 128, 118''') имеет переменную осевую жесткость вдоль продольного направления таким образом, что при приложении усилия к напрягаемому элементу (118, 120, 118', 120', 128, 118''') разные части обшивочного листа (112) будут немедленно подвергнуты воздействию напряжений разной величины.moreover, the pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') contains a casing having a wedge-shaped shape, so that the pre-tensioned element (118, 120, 118', 120 ', 128, 118' ') has a variable axial stiffness along the longitudinal direction so that when a force is applied to the tensioned element (118, 120, 118 ', 120', 128, 118 ''), different parts of the casing sheet (112) will immediately be exposed to stresses of different sizes. 13. Натяжное устройство для усиления и/или ремонта конструктивного элемента (10) посредством предварительно напряженного обшивочного листа (112), содержащее13. A tension device for reinforcing and / or repairing a structural element (10) by means of a prestressed cladding sheet (112), comprising напрягаемый элемент (118, 120, 118', 120', 128, 118'''), присоединяемый к крепежной конструкции (130) по меньшей мере для временного прикрепления указанного устройства (100, 100', 100'', 100''') к обшивочному листу (112),pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') attached to the mounting structure (130) at least for temporary attachment of the specified device (100, 100', 100 '', 100 '' ' ) to the casing sheet (112), причем напрягаемый элемент (118, 120, 118', 120', 128, 118''') содержит ряд лапок (118'''), каждая из которых присоединена к соответствующему источнику (140) давления таким образом, что при приложении усилия к отдельным лапкам (118''') разные части обшивочного листа (112) будут немедленно подвергнуты воздействию напряжений разной величины.moreover, the pre-tensioned element (118, 120, 118 ', 120', 128, 118 '' ') contains a series of tabs (118' ''), each of which is connected to the corresponding pressure source (140) in such a way that when a force is applied to individual tabs (118`` ''), different parts of the casing sheet (112) will be immediately exposed to stresses of different sizes.
RU2016130162A 2013-12-23 2014-12-23 Tension device and method for reinforcing a structural element RU2016130162A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1351579 2013-12-23
SE1351579-6 2013-12-23
PCT/EP2014/079140 WO2015097212A1 (en) 2013-12-23 2014-12-23 A pre-stressing device, and a method for reinforcing a structural member

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RU2016130162A true RU2016130162A (en) 2018-01-31

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US (1) US20160319542A1 (en)
EP (1) EP3087234A1 (en)
KR (1) KR20160102051A (en)
AU (1) AU2014372554A1 (en)
RU (1) RU2016130162A (en)
WO (1) WO2015097212A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU173025U1 (en) * 2017-04-24 2017-08-07 Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) FASTENING AND TENSIONING DEVICE
JP7133162B2 (en) * 2017-12-11 2022-09-08 株式会社高速道路総合技術研究所 METHOD FOR DETECTING DAMAGE AND DEFORMATION IN STRUCTURES HAVING CFRP STRAINS FOR PRESTRAINING PRESTRESS AND CFRP STRAINS
CN109899675A (en) * 2019-04-02 2019-06-18 济南大学 A kind of prestressed tube structure of application ladder
CN113152920B (en) * 2021-04-08 2022-05-03 东南大学 Prestressed FRP plate steering device and steering method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6170209B1 (en) * 1996-11-05 2001-01-09 University Of Maine Prestressing system for wood structures and elements
CA2321896C (en) 1998-02-26 2005-10-18 Urs Meier Method and device for applying pretensed tension-proof reinforcing strips to a construction
DE10129216C1 (en) * 2001-06-19 2003-05-15 Leonhardt Andrae Und Partner B Tension anchors for band-shaped tension members in the building industry
DE10237968B3 (en) * 2002-08-20 2004-02-05 Leonhardt, Andrä und Partner Beratende Ingenieure VBI GmbH Process for mounting a pre-stressed tension element on a concrete supporting framework comprises pre-stressing the tension element via a temporary anchor and then pressing the tension element onto the surface using a permanent anchor clamp
ES2525596T3 (en) 2007-06-27 2014-12-26 Al-Emrani, Mohammad Method for applying a reinforced composite material to a structural member
US8925279B2 (en) * 2008-06-12 2015-01-06 The University Of Utah Research Foundation Anchoring, splicing and tensioning elongated reinforcement members
EP2420622A1 (en) * 2010-08-18 2012-02-22 Sika Technology AG Device for the application of force to tension members from fiber-reinforced plastic plates

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US20160319542A1 (en) 2016-11-03
EP3087234A1 (en) 2016-11-02
KR20160102051A (en) 2016-08-26
WO2015097212A1 (en) 2015-07-02
AU2014372554A1 (en) 2016-07-28

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