EP2489808B1 - Bewehrungselement für die Aufnahme von Kräften in Betonelementen, die durch Stützelemente abgestützt sind - Google Patents

Bewehrungselement für die Aufnahme von Kräften in Betonelementen, die durch Stützelemente abgestützt sind Download PDF

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Publication number
EP2489808B1
EP2489808B1 EP11154442.5A EP11154442A EP2489808B1 EP 2489808 B1 EP2489808 B1 EP 2489808B1 EP 11154442 A EP11154442 A EP 11154442A EP 2489808 B1 EP2489808 B1 EP 2489808B1
Authority
EP
European Patent Office
Prior art keywords
concrete
concrete element
elements
support
recesses
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.)
Not-in-force
Application number
EP11154442.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2489808A1 (de
Inventor
Thomas Keller
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.)
FJ Aschwanden AG
Original Assignee
FJ Aschwanden AG
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
Priority to DK11154442.5T priority Critical patent/DK2489808T3/da
Application filed by FJ Aschwanden AG filed Critical FJ Aschwanden AG
Priority to SI201130084T priority patent/SI2489808T1/sl
Priority to ES11154442.5T priority patent/ES2437926T3/es
Priority to EP11154442.5A priority patent/EP2489808B1/de
Priority to PT111544425T priority patent/PT2489808E/pt
Priority to PL11154442T priority patent/PL2489808T3/pl
Priority to US13/364,377 priority patent/US8516757B2/en
Priority to JP2012023972A priority patent/JP2012167537A/ja
Priority to CN2012100295668A priority patent/CN102635203A/zh
Priority to AU2012200771A priority patent/AU2012200771A1/en
Publication of EP2489808A1 publication Critical patent/EP2489808A1/de
Application granted granted Critical
Publication of EP2489808B1 publication Critical patent/EP2489808B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • 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
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements

Definitions

  • the present invention relates to a concrete element, which is supported by supporting elements, with reinforcing elements for receiving forces acting on this concrete element, which reinforcing elements each consist of a longitudinally stable, flexible longitudinal element, which is inserted into recesses in the concrete element, which recesses arranged in such a way are that the reinforcing element extends in the region of the support member in the region facing away from the support element of the concrete element and each extends at an acute angle ⁇ against the support member facing surface of the concrete element and exits the concrete element and that the end portions of the reinforcing element are anchored.
  • holes can be mounted in the areas to be reinforced of the concrete plate, which are arranged obliquely and in which tie rods can be inserted.
  • the over the concrete plate on both sides protruding ends are equipped with anchor heads, which are supported on the respective surface of the concrete slab.
  • the anchor heads can be designed so that the tension element of the tie rod can be stretched, the hole can be filled with a mortar-like mass.
  • a concrete element according to the preamble of claim 1 is also known to use as a reinforcing element a longitudinally stable flexible band of carbon fiber reinforced plastic, which is arranged in correspondingly mounted in the concrete element holes, the two ends of this band facing on the support Surface of the concrete element are protruding and are held in anchorages.
  • This band can be tensioned by attached to the anchors tensioners, the holes can are then poured out, whereby a very good reinforcement of the concrete element is achieved in the area of the support.
  • the object of the present invention is now to provide an improved reinforcement element for the absorption of forces in concrete elements, which are supported by support elements, which serves to accommodate large loads and which is easy to assemble.
  • both end portions of the longitudinally stable flexible longitudinal element are deflected about the respective exit edge of the recesses of the concrete element and are arranged converging and the ends of the longitudinally stable flexible longitudinal element held in a clamping device and are mutually braced, so that the reinforcing element forms a closed loop.
  • the reinforcing element is inserted into the concrete element such that it is arranged laterally next to the support element.
  • the reinforcement element forming a closed loop comes to lie in a plane.
  • the longitudinally stable flexible longitudinal element has the form of a band whose width is a multiple of the thickness, whereby an optimal deflection is achieved.
  • the longitudinally stable flexible longitudinal member is formed of carbon fiber reinforced plastic, in addition to the inclusion of large clamping forces is thereby obtained a simple operation.
  • the angle ⁇ is advantageously in the range of 20 ° to 50 °.
  • a particularly simple embodiment of the invention is achieved by the clamping device is designed as a turnbuckle and the two ends of the longitudinally stable flexible longitudinal element formed as a loop and held in the turnbuckle.
  • a further advantageous embodiment of the invention is that deflecting elements are mounted in the region of the outlet edges of the recesses over which the respective band is deflected guided, and thereby no edges.
  • the deflecting element advantageously has supporting surfaces which are supported on the respective surface of the end region of the recess and / or the surface of the concrete element.
  • the deflecting element is attached to an end portion of a strut, whose other end portion is supported on the support member.
  • the strut in the form of a plate and a plurality of deflectors are attached to a plate, which simplifies the structure.
  • a further advantageous embodiment of the invention is that the recesses mounted in the concrete element, through which the reinforcing element is guided, poured out by a pourable mass are, which can be avoided, for example, that can penetrate into the recesses water or the like.
  • a concrete element 1 can be seen, which has the shape of a concrete slab, which is supported by a support member 2.
  • reinforcing elements 3 are inserted into the concrete element.
  • Each of these reinforcing elements 3 consists of a longitudinally stable flexible longitudinal member 4, which has the shape of a band 5, the width of which is in a known manner a multiple of the thickness and in a known manner consists of a carbon fiber reinforced plastic.
  • tapes made of other suitable materials can be used.
  • these longitudinally stable flexible longitudinal elements 4 in the concrete element 1 6 are mounted in this recesses.
  • a band 5 is inserted, these recesses 6 are each arranged so that the band 5 extends in the area facing away from the support member 2 area 7 of the concrete element 1 and the end portions 8 of the band 5 each at an acute angle ⁇ against the Support element 2 facing surface 9 of the concrete element 1 run, and emerge from the concrete element 1.
  • the two end portions 8 of the band 5 are deflected about the respective exit edges 10 of the recesses 6 of the concrete element 1.
  • the band 5 can also be inserted into the recesses 6 such that it extends in the region of the concrete element 1 facing the support element 2 and the two end regions 8 of the band 5 thus emerge from the concrete element 1 on the surface facing away from the support element 2, around the exit edges 10a are deflected and converging.
  • the ends 11 of the band 5 are held in a clamping device 12 and clamped against each other.
  • the reinforcing element 3 formed by the band 5 thus likewise forms a closed loop.
  • Fig. 2 is removable, as in the region of a support member 2 for supporting a concrete element 1, a plurality of reinforcing elements 3 can be arranged.
  • the recesses 6 in the concrete element 1 are arranged in this embodiment so that in each case a closed loop forming reinforcing elements 3 extend laterally next to the support member 2, so that these closed loop of the reinforcing element 3 lie in a plane which is substantially perpendicular to the concrete element 1 , Im in Fig.
  • the support member 2 has a cuboid cross section, in an advantageous manner, the reinforcing elements 3 are aligned parallel to the respective surface of the cuboid of this support element 2, so that in each case two reinforcing elements 3 are aligned parallel to each other.
  • the end areas 8 projecting beyond the concrete element 1 are guided in the region of the outlet edge 10 around deflecting elements 13, which will be described in detail later, with which stress peaks in the region of the outlet edges 10 are avoided.
  • the ends 11 of the reinforcing elements 3 are held in a clamping device 12, which will be described later in detail, with which these ends 11 are braced against each other.
  • Fig. 3 the course of the reinforcing elements 3 can be seen, as in Fig. 2 are shown in the inserted state in the concrete element 1, wherein in Fig. 3 the concrete element 1 and the support element 2 are not shown. It can be seen how the reinforcing elements 3 each lie in a plane, as they form a closed loop, in which the ends 11 are held in the respective clamping device 12 and braced against each other. Also visible are the deflecting elements 13, which are provided in the respective lower deflecting points of the reinforcing element 3.
  • corresponding deflection elements can be attached to the respective upper deflection points of the reinforcing element.
  • the inside end region 16 is supported here on the support element 2, the outer side end portions 17 of this plate 15 are formed as deflection or can be provided with corresponding deflecting elements 13 around which the emerging from the concrete element 1 end portions 8 of the reinforcing element 3 are deflected.
  • This bridge element comprises a plate 18 on which a roadway can be arranged, as well as a box-shaped bridge longitudinal member 19.
  • This longitudinal member 19 is box-shaped and has a cavity. In this cavity are spaced from each other cross member 20 is inserted.
  • the respective reinforcing elements 3 can be attached, these run laterally of the cross member 20, the end portions 8 are passed through recesses 6 mounted on the longitudinal member 19 and emerge from the side member 19, are deflected over deflecting elements 21 and run towards each other , Are held in a clamping device 12 and braced against each other.
  • anchor rods 22 are used, around which the reinforcing element 3 in the plate 18 facing portion of the cross member 20 are guided.
  • Fig. 8 again shows the view of the course of the reinforcing elements 3 in the bridge element, as shown in the 6 and 7 is shown, wherein the corresponding elements are not shown.
  • the anchor rods 22 can be seen, around which the upper part of the reinforcing elements 3 is guided, as well as the deflection elements 21, which are additionally equipped with an angular part 23 which can be supported in an optimal manner in the corresponding corner regions of the longitudinal member 19.
  • Fig. 9 shows one of the aforementioned deflection elements 13 in detail.
  • This deflecting element 13 consists of a plate 24 to which an angularly arranged guide member 25 is attached.
  • This guide member 25 has a recess 26, in which the band 5 of the reinforcing element 3 is inserted and guided.
  • the recess 26 merges into an arc 27 which opens into the underside surface 28 of the plate 24.
  • the upper-side surface 29 of the plate forms the support surface with which the deflecting element 13 is located on the surface 9 facing the support element ( Fig. 1 ) of the concrete element 1 is supported.
  • the belt 5 facing away from the surface of the guide member 25 forms the support surface 30, with which the deflecting element 13 at the respective surface of the end portion of the corresponding recesses 6 (FIG. Fig. 1 ) is supported.
  • the clamping device 12 is formed as a turnbuckle 31, which consists essentially of two bolts 32 and 33 which are braced against each other via two screws 34 and 35 substantially parallel.
  • the two ends 11 of the band 5 of the reinforcing element 3 are each formed as a loop 36, in which the corresponding bolt 32 and 33 is inserted.
  • the screws 34 and 35 of the turnbuckle 31 can be equipped with hydraulic elements 37, with which in a known manner the clamping force can be applied hydraulically.

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  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP11154442.5A 2011-02-15 2011-02-15 Bewehrungselement für die Aufnahme von Kräften in Betonelementen, die durch Stützelemente abgestützt sind Not-in-force EP2489808B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SI201130084T SI2489808T1 (sl) 2011-02-15 2011-02-15 Armirni element za prestrezanje sil v betonskih elementih, oprtih na oporne elemente
ES11154442.5T ES2437926T3 (es) 2011-02-15 2011-02-15 Elemento de refuerzo para la absorción de fuerzas en elementos de hormigón, que están apoyados por medio de elementos de apoyo
EP11154442.5A EP2489808B1 (de) 2011-02-15 2011-02-15 Bewehrungselement für die Aufnahme von Kräften in Betonelementen, die durch Stützelemente abgestützt sind
PT111544425T PT2489808E (pt) 2011-02-15 2011-02-15 Elemento de armadura para recepção de forças em elementos de betão apoiados em elementos de apoio
PL11154442T PL2489808T3 (pl) 2011-02-15 2011-02-15 Element zbrojeniowy do przejmowania sił w elementach betonowych, które są podparte za pomocą elementów podporowych
DK11154442.5T DK2489808T3 (da) 2011-02-15 2011-02-15 Forstærkningselement til optagelse af kræfter i betonelementer støttet af støtteelementer
US13/364,377 US8516757B2 (en) 2011-02-15 2012-02-02 Reinforcement element for absorbing forces in concrete elements which are supported by support elements
JP2012023972A JP2012167537A (ja) 2011-02-15 2012-02-07 支持要素により支持されるコンクリート要素内の力を吸収するための補強要素
CN2012100295668A CN102635203A (zh) 2011-02-15 2012-02-08 用于吸收由支撑元件支撑的混凝土元件中的力的加强元件
AU2012200771A AU2012200771A1 (en) 2011-02-15 2012-02-09 Reinforcement element for absorbing forces in concrete elements which are supported by support elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11154442.5A EP2489808B1 (de) 2011-02-15 2011-02-15 Bewehrungselement für die Aufnahme von Kräften in Betonelementen, die durch Stützelemente abgestützt sind

Publications (2)

Publication Number Publication Date
EP2489808A1 EP2489808A1 (de) 2012-08-22
EP2489808B1 true EP2489808B1 (de) 2013-09-04

Family

ID=44140783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11154442.5A Not-in-force EP2489808B1 (de) 2011-02-15 2011-02-15 Bewehrungselement für die Aufnahme von Kräften in Betonelementen, die durch Stützelemente abgestützt sind

Country Status (10)

Country Link
US (1) US8516757B2 (da)
EP (1) EP2489808B1 (da)
JP (1) JP2012167537A (da)
CN (1) CN102635203A (da)
AU (1) AU2012200771A1 (da)
DK (1) DK2489808T3 (da)
ES (1) ES2437926T3 (da)
PL (1) PL2489808T3 (da)
PT (1) PT2489808E (da)
SI (1) SI2489808T1 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2236686A1 (de) * 2009-04-03 2010-10-06 F.J. Aschwanden AG Bewehrungselement für die Aufnahme von Kräften von betonierten Platten im Bereich von Stützelementen
US20150013252A1 (en) * 2013-07-15 2015-01-15 King Fahd University Of Petroleum And Minerals Composite girder partially reinforced with carbon fiber reinforced polymer
EP2993279B1 (de) * 2014-09-03 2016-12-14 HALFEN GmbH Bauwerk mit einem Verstärkungselement aus hochfestem Beton zur Erhöhung der Durchstanzfestigkeit
WO2021087267A1 (en) * 2019-11-01 2021-05-06 Simpson Strong-Tie Company Inc. Concrete member shear transfer bracket
CN114922125A (zh) * 2022-05-07 2022-08-19 山东交通学院 Pc梁式桥、pc梁式桥的加固装置和方法
KR102585929B1 (ko) * 2023-06-22 2023-10-06 (주)리빌텍이엔씨 교량구조물의 부모멘트를 보강하는 방법 및 장치

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1133658A (en) * 1915-03-30 Orlando W Norcross Concrete floor construction.
US975307A (en) * 1906-09-28 1910-11-08 Gen Fireproofing Co Reinforced concrete structure.
US1031047A (en) * 1910-04-14 1912-07-02 Unit Construction Co Concrete construction.
US2768520A (en) * 1951-10-20 1956-10-30 Lally Column Co Head plate for structural columns
US3283458A (en) * 1958-02-25 1966-11-08 Gersovitz Benjamin Shear reinforcement in reinforced concrete floor systems
US3302360A (en) * 1963-01-09 1967-02-07 Bjerking Sven-Erik Method of reinforcing concrete floors and the like, and a reinforcing element therefor
CA1085642A (en) * 1978-02-28 1980-09-16 Amin Ghali Shear reinforcement for concrete flat slabs
DD236565A1 (de) * 1985-04-25 1986-06-11 Bau Und Montage Kom Ost Betr F Bewehrungselement zur querkraftsicherung von flachdecken im deckenauflagerbereich
US5768847A (en) * 1995-05-15 1998-06-23 Policelli; Frederick J. Concrete reinforcing devices, concrete reinforced structures, and method of and apparatus for producing such devices and structures
US6263629B1 (en) * 1998-08-04 2001-07-24 Clark Schwebel Tech-Fab Company Structural reinforcement member and method of utilizing the same to reinforce a product
SE513987C2 (sv) * 1999-07-16 2000-12-04 Jacobsson & Widmark Ab Betongplattkonstruktion samt sätt att bygga en sådan konstruktion
JP3497113B2 (ja) * 2000-03-15 2004-02-16 横浜ゴム株式会社 コンクリート構造物の耐震補強方法
CH694375A5 (fr) * 2000-08-08 2004-12-15 Sc Tech Philippe Menetrey Dr Armature flexible de connexion reliant les armatures d'une structure en béton.
ATE517461T1 (de) 2008-01-18 2011-08-15 Osram Gmbh Buck-konverter zum bereitstellen eines stroms für mindestens eine led
EP2236686A1 (de) * 2009-04-03 2010-10-06 F.J. Aschwanden AG Bewehrungselement für die Aufnahme von Kräften von betonierten Platten im Bereich von Stützelementen

Also Published As

Publication number Publication date
DK2489808T3 (da) 2013-12-16
AU2012200771A1 (en) 2012-08-30
US20120205515A1 (en) 2012-08-16
US8516757B2 (en) 2013-08-27
JP2012167537A (ja) 2012-09-06
PL2489808T3 (pl) 2014-01-31
ES2437926T3 (es) 2014-01-15
CN102635203A (zh) 2012-08-15
PT2489808E (pt) 2013-12-05
SI2489808T1 (sl) 2014-01-31
EP2489808A1 (de) 2012-08-22

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