EP0803020B1 - Befestigung von verstärkungslamellen - Google Patents

Befestigung von verstärkungslamellen Download PDF

Info

Publication number: EP0803020B1
Authority: EP; European Patent Office
Prior art keywords: wall; lamella; reinforcement; concrete; reinforced
Prior art date: 1995-01-09
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.): Expired - Lifetime

Application number

EP95938340A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP0803020A1 (de

Inventor

Urs Meier

Martin Deuring

Gregor Schwegler

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.)

Eidgenoessische Materialpruefungs und Forschungsanstalt

Original Assignee

Eidgenoessische Materialpruefungs und Forschungsanstalt

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.)

1995-01-09

Filing date

1995-12-12

Publication date

1998-09-16

1995-12-12 Application filed by Eidgenoessische Materialpruefungs und Forschungsanstalt filed Critical Eidgenoessische Materialpruefungs und Forschungsanstalt

1997-10-29 Publication of EP0803020A1 publication Critical patent/EP0803020A1/de

1998-09-16 Application granted granted Critical

1998-09-16 Publication of EP0803020B1 publication Critical patent/EP0803020B1/de

2015-12-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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
- 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
- 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
- E04G2023/0255—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements whereby the fiber reinforced plastic elements are stressed
- E04G2023/0259—Devices specifically adapted to stress the fiber reinforced plastic 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
- E04G2023/0262—Devices specifically adapted for anchoring the fiber reinforced plastic elements, e.g. to avoid peeling off

Definitions

the present invention relates to an arrangement for reinforcement on a longitudinally extended and / or flat structure or part of the structure by means of at least one on the structure or structural part or masonry slack or pre-stressed lamellar reinforcement, one for carrier functions intended structural part, reinforced with an arrangement, masonry with an arrangement and a method for reinforcing a building or part of a building.
the reinforcement of concrete structures and masonry by gluing of steel slats, with for example epoxy resin adhesives, can be regarded as standard technology today.
Shear crack formation Special attention must be paid to the Shear crack formation in the concrete or masonry are given for free. Occurring shear cracks lead to an offset on the reinforced Surface, which is usually a peeling or a Detachment of the reinforcement slats entails.
the Shear crack formation is therefore also an important design criterion, both in terms of the carrying capacity of the unreinforced part of the building, as well as a possible risk of detachment the subsequently arranged reinforcement slats.
the object is achieved by means of a Arrangement according to the wording according to claim 1 solved.
An arrangement for reinforcement on one is proposed longitudinally extended and / or flat structure or structural part limp by means of at least one on the structure or part of the structure or pre-stressed lamellar reinforcement, whereby according to the invention the reinforcement, at least a slat at least at one end in the building or anchored part of the building.
At least one slat end preferably at least almost continuously bent into the Building or masonry is diverted in order to in Structure or masonry to be anchored.
the arrangement or anchoring proposed according to the invention one slat end, protruding into the building or masonry, is of course suitable for any known Reinforcement slats, such as steel slats, Glass fiber or carbon fiber reinforced slats, for example made with epoxy resins or polyester resins, extruded reinforcement lamellas from a thermoplastic, Etc.
Reinforcement slats such as steel slats, Glass fiber or carbon fiber reinforced slats, for example made with epoxy resins or polyester resins, extruded reinforcement lamellas from a thermoplastic, Etc.
the at least one end of the reinforcement lamella or so both ends of the reinforcing lamella are preferably continuous curved into the structure, each one the recessed end by means of concrete and / or a polymer-reinforced Material, such as in particular an adhesive, can be covered.
a polymer-reinforced Material such as in particular an adhesive
Slat end additionally by means of pre-tensioned or not pre-tensioned mechanical fasteners, such as in particular Screws, rivets, pins, loops, and the like in the building or to anchor building part or masonry.
the arrangement proposed according to the invention is suitable for a structure or part of a structure intended for supporting functions, which with one or more reinforcement slats is reinforced against shear forces. But also for the reinforcement of any building or masonry by means of one or more reinforcement slats, it is advantageous the slat ends, as proposed according to the invention, running into the building or part of the building or masonry to anchor. For example, it is possible when reinforcing masonry in seismic zones the slat ends running into the masonry using GRP slats to anchor, which eliminates the need the slats down to the end of the masonry Concrete slabs or cover slabs for anchoring to extend, which is a significant simplification when applying represents such reinforcing slats.
Fig. 1 is a reinforced concrete bridge schematically in longitudinal section 1, comprising a concrete slab 3, which supported by two pillars 5 on the respective supports 7 or is held.
this concrete bridge by means of one arranged between the two supports 7
Reinforcement lamella 10 has been reinforced.
the reinforcement slat 10 extends between the two supports 7 and is in its entire length, for example with a Epoxy resin adhesive glued on, also terminal in the area A ', as is customary, the lamella on the concrete slab 3 is glued. It is possible, as in W093 / 20296 suggested using additional straps or steel plates to anchor the slat ends additionally, or against the Press concrete slab 3.
FIG. 2 shows a push wall 11 of a building, that is in a seismic area. It is the masonry 13 with laterally glued-on reinforcement slats 20 reinforced, the slats usually terminal in the below and above the thrust wall 13 Concrete slabs or the floor and ceiling slabs 15 and 17 are anchored is. Here, for example in area A ", the slat end led into the concrete slab 17, to be anchored in it.
the creation of this Anchoring is complex and requires a lot of work.
a concrete beam 3 is analogous to that in longitudinal section shown by Fig. 1, which for the following Experimental setup is used.
Fig. 4a a concrete beam 3 is analogous to that in longitudinal section shown by Fig. 1, which for the following Experimental setup is used.
the concrete beam 3 is on the supports 7 and comprises a steel reinforcement 4.
the concrete beam 3 is 8 on its lower side by means of a CFRP lamella 10, the one End 11 of the slat practically up to the corresponding support 7 'runs, while the opposite slat end 13 from the other supports 7 ".
Fig. 4b shows the concrete beam from Fig. 4a in cross section.
the experimental arrangement shown in Fig. 5a, shows the reinforcing lamella in top view of the one to be reinforced Concrete beam 3, the one slat end 11 extending up to Support 7 'extends while the opposite Slat end 13 'a distance above the corresponding one Force application point 15 "extends beyond.
the dimensioning of the Experimental arrangement is shown in the representation of Fig. 5a, the slat end 13 'accordingly by 20cm extends beyond the force introduction point 15 ".
the measuring points 29 are shown schematically, which on the Slat end 13 'for determining the forces or of the occurring stretch are provided.
Digit 24 in Fig. 5a marks the center of the concrete beam 3, where also one Measuring point is arranged.
the slat end 13 ' is conventional and anchored glued to the underside of the concrete beam.
6a and 6b show an analog test arrangement, wherein however, the slat end 13 "is 30cm above the corresponding one Force introduction point 15 "extends, and thus closer to the corresponding support 7 ". Again several measuring points are provided in the area of the end 13 ", as well as in the middle at point 24 on the concrete beam 3.
FIG. 7 shows an experimental arrangement, where now the slat end 13 '"running into the building part is anchored, which in the longitudinal sectional view of Fig. 7c is shown schematically.
the slat end extends 13 '"again only 20cm above the corresponding one Force introduction point 15 "is also spaced 10 cm apart from the corresponding support 7 ", compared to the Experimental arrangement according to FIGS. 6a and 6b.
Anchoring the Slat end 13 '" runs along a distance of 10cm, 7c, the continuously curved, in the concrete beam 3rd extending end piece 13a '"schematically shown in longitudinal section is.
Over the lamella in area 23 was in the Anchoring zone of the end portion 13a '"an epoxy resin mortar applied.
Fig. 7b there are schematically several Measuring points 29 shown, which are arranged on the lamella 10 have been. Also at position 24 in the middle the concrete beam 3 became a measuring point on the reinforcement lamella 10
Fig. 8 now shows in diagram form the deflection of the test vehicle measured in the middle of the beam with the three according to the 5, 6 and 7 used experimental arrangements.
the deflection ⁇ (mm) is dependent on the one introduced at points 15 Force (KN) represented by bending is shown separately for the three test arrangements.
Table 1 below shows the measured load resistances, the mean lamella tension in the center of the beam, and the type of failure of the beams for the three test arrangements.
carrier F max [kNm] ⁇ L (F) [N / mm 2 ] to fail Fig. 5 65 456 (60)
the maximum load and in particular the maximum slat expansion in the experimental arrangement according to the invention according to FIG. 7 compared to the carriers of the experimental arrangements 5 and 6 can be increased significantly.
the carrier according to Fig. 5 and 6 show despite different anchorage lengths in the area of the ends 13 'and 13 "a similar behavior. In the middle Carrier area are registered about the same strains. They shear each time the flow load is reached Slats from the slat end.
Such core drilling For example, a hole diameter of 10 or more cm, depending on how wide the reinforcement slat to be anchored 10 is. After the one running into the building Arranging the slat end 22 can again, as already 3, an anchoring wedge 23 is arranged will.
Such an anchoring wedge is also shown in Fig. 13a and 13b, with additional fastening means now 33 are arranged, for example screws, Bolts, loops, etc. can act.
Fastening means 33 becomes the anchoring effect of the wedge 23 additionally reinforced on the slat end 22. It shows Fig. 13a the wedge 23 in longitudinal section, while Fig. 13b is a plan view of the wedge 23.
a concrete structure 32 is shown, such as a support structure for galleries or parking halls, in which construction the ceiling panel 35 and the side wall 37 via a so-called haunch 39 are connected to each other in the corner area. If the bottom now the ceiling 35 by means of a reinforcing lamella 10 14a, it clearly shows that a Anchoring the slat end 13 in the area of the haunch unfavorable is there when tensile forces occur on the reinforcing lamella 10 this is replaced in the corner area 36.
FIG. 15 finally shows a further structure arrangement, for example again a supporting structure, comprising one Concrete ceiling 41 and a partition or a longitudinal pillar 43, again the ceiling 41 by means of a reinforcing lamella 10 is reinforced.
a supporting structure comprising one Concrete ceiling 41 and a partition or a longitudinal pillar 43, again the ceiling 41 by means of a reinforcing lamella 10 is reinforced.
corner area 45 between ceiling 41 and pillar 43, the slat end 22 in accordance with the invention anchored the ceiling running into it.
the material used can be any, so can be a sheet of iron, steel, aluminum, a reinforced polymer, such as in particular fiberglass reinforced epoxy resin, etc. exist.

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Structural Engineering (AREA)
Working Measures On Existing Buildindgs (AREA)
Bridges Or Land Bridges (AREA)
Reinforcement Elements For Buildings (AREA)
Details Of Garments (AREA)
Orthopedics, Nursing, And Contraception (AREA)
Table Devices Or Equipment (AREA)
Reinforced Plastic Materials (AREA)

EP95938340A 1995-01-09 1995-12-12 Befestigung von verstärkungslamellen Expired - Lifetime EP0803020B1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CH4595		1995-01-09
CH45/95		1995-01-09
PCT/CH1995/000298 WO1996021785A1 (de)	1995-01-09	1995-12-12	Befestigung von verstärkungslamellen

Publications (2)

Publication Number	Publication Date
EP0803020A1 EP0803020A1 (de)	1997-10-29
EP0803020B1 true EP0803020B1 (de)	1998-09-16

Family

ID=4178079

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95938340A Expired - Lifetime EP0803020B1 (de)	1995-01-09	1995-12-12	Befestigung von verstärkungslamellen

Country Status (9)

Country	Link
US (1)	US5937606A (da)
EP (1)	EP0803020B1 (da)
JP (1)	JPH10512635A (da)
AT (1)	ATE171240T1 (da)
AU (1)	AU3977195A (da)
DE (1)	DE59503647D1 (da)
DK (1)	DK0803020T3 (da)
ES (1)	ES2122696T3 (da)
WO (1)	WO1996021785A1 (da)

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Publication number	Priority date	Publication date	Assignee	Title
EP0954660B1 (de)	1997-01-23	2001-06-27	Sika AG, vorm. Kaspar Winkler & Co.	Flachband-lamelle zur verstärkung von bauteilen sowie verfahren zu deren herstellung
DE19702246A1 (de)	1997-01-23	1998-07-30	Sika Ag	Flachband-Lamelle und deren Verwendung zur Verstärkung von Bauwerkteilen
DE19730174C2 (de) *	1997-07-15	2001-12-06	Bilfinger Berger Bau	Bauteil
DE19733066A1 (de) *	1997-07-31	1999-02-04	Sika Ag	Verfahren zur Befestigung einer Flachbandlamelle an einer Bauteiloberfläche
DE19733067A1 (de) *	1997-07-31	1999-02-04	Sika Ag	Flachband-Lamelle zur Verstärkung von Bauteilen sowie Verfahren zur Anbringung der Flachband-Lamelle an einem Bauteil
BR9812141A (pt)	1997-08-26	2000-07-18	Stresshead Ag	Dispositivo de reforço para estruturas de suporte
WO1999014453A1 (fr) *	1997-09-16	1999-03-25	Nippon Steel Corporation	Structure de renfort d'elements de beton et procede associe
DE19742210A1 (de) *	1997-09-24	1999-03-25	Goehler Bernhard Dipl Ing	Verfahren und bandförmiges Zugglied zur Ertüchtigung und/oder Sanierung von Stahlbeton- oder Spannbeton-Tragwerken sowie Vorrichtung zur Durchführung des Vefahrens
FR2771765A1 (fr) *	1997-11-28	1999-06-04	Jean Claude Galland	Dispositifs de contreventement de batiments en maconneries epaisses
DE19753318A1 (de) *	1997-12-02	1999-06-10	Sika Ag	Verstärkungselement für lastaufnehmende oder lastübertragende Bauteile sowie Verfahren zu dessen Befestigung an einer Bauteiloberfläche
DE59906771D1 (de) *	1998-02-26	2003-10-02	Empa	Verfahren und vorrichtung zum applizieren von vorgespannten, zugfesten verstärkungsbändern an bauwerken
EP1013851A1 (en) *	1998-12-14	2000-06-28	Top Glass S.p.A.	Process for manufacturing a structural reinforcing element for building constructions and structural reinforcing element so obtained
DE19904185A1 (de) *	1999-02-02	2000-08-03	Sika Ag, Vormals Kaspar Winkler & Co	Verfahren zur Herstellung eines Flachbandes
FR2790500B1 (fr) *	1999-03-01	2002-06-07	Freyssinet Int Stup	Procede et dispositif de renforcement d'un ouvrage en beton
US7770354B2 (en) *	2002-08-29	2010-08-10	Bui Thuan H	Lightweight modular cementitious panel/tile for use in construction
DE10249266B3 (de) *	2002-10-23	2004-04-08	Leonhardt, Andrä und Partner Beratende Ingenieure VBI GmbH	Spannvorrichtung für bandförmige Zugglieder
EP1507050A1 (de)	2003-08-13	2005-02-16	Sika Technology AG	Krafteinleitungselement
EP1507052A1 (de)	2003-08-13	2005-02-16	Sika Technology AG	Krafteinleitungselement
US20080277264A1 (en) *	2007-05-10	2008-11-13	Fluid-Quip, Inc.	Alcohol production using hydraulic cavitation
FR2948712B1 (fr) *	2009-08-03	2015-03-06	Soletanche Freyssinet	Procede de renforcement d'une structure de construction, et ouvrage ainsi renforce
ES2900021T3 (es) *	2013-06-06	2022-03-15	Sika Tech Ag	Disposición para el refuerzo de estructuras portantes
EP3168384A1 (en)	2014-07-09	2017-05-17	Faculdade De Ciências E Tecnologia Da Universidade	Structural strengthening system with internally anchored reinforcements by adherence
US9784004B2 (en) *	2014-08-19	2017-10-10	Kulstoff Composite Products, LLC	Fiber reinforced anchors and connectors, methods of making anchors and connectors, and processes for reinforcing a structure
US11236508B2 (en) *	2018-12-12	2022-02-01	Structural Technologies Ip, Llc	Fiber reinforced composite cord for repair of concrete end members
EP4124703B1 (de) *	2021-07-27	2024-10-23	Sika Technology AG	Verstärkte stahlbetonkonstruktion
CN113515802B (zh) *	2021-09-14	2021-12-07	四川交达预应力工程检测科技有限公司	基于机器学习的锚固临界值检测方法、系统及存储介质

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1995
- 1995-12-12 AU AU39771/95A patent/AU3977195A/en not_active Abandoned
- 1995-12-12 US US08/860,596 patent/US5937606A/en not_active Expired - Fee Related
- 1995-12-12 DK DK95938340T patent/DK0803020T3/da active
- 1995-12-12 ES ES95938340T patent/ES2122696T3/es not_active Expired - Lifetime
- 1995-12-12 DE DE59503647T patent/DE59503647D1/de not_active Expired - Fee Related
- 1995-12-12 EP EP95938340A patent/EP0803020B1/de not_active Expired - Lifetime
- 1995-12-12 JP JP8521346A patent/JPH10512635A/ja not_active Ceased
- 1995-12-12 AT AT95938340T patent/ATE171240T1/de not_active IP Right Cessation
- 1995-12-12 WO PCT/CH1995/000298 patent/WO1996021785A1/de active IP Right Grant

Also Published As

Publication number	Publication date
JPH10512635A (ja)	1998-12-02
DK0803020T3 (da)	1999-06-14
DE59503647D1 (de)	1998-10-22
EP0803020A1 (de)	1997-10-29
AU3977195A (en)	1996-07-31
WO1996021785A1 (de)	1996-07-18
ES2122696T3 (es)	1998-12-16
ATE171240T1 (de)	1998-10-15
US5937606A (en)	1999-08-17

Publication	Publication Date	Title
EP0803020B1 (de)	1998-09-16	Befestigung von verstärkungslamellen
EP1007809B1 (de)	2001-10-10	Verstärkungsvorrichtung für tragstrukturen
EP2997197B1 (de)	2020-04-22	Verfahren zum vorspannen eines stahl-bauwerkes, sowie damit vorgespanntes stahl-bauwerk
DE102008032209B4 (de)	2013-03-14	Stahl-Beton-Verbundtrog als Brückenüberbau und Verfahren zu seiner Herstellung
EP0040815B1 (de)	1984-08-15	Verbundträger in Montagebauweise
EP3303707B1 (de)	2019-06-26	Verfahren zur herstellung einer fahrbahnplatte für eine brücke
DE2025471A1 (de)	1970-12-10	Betonbauwerk aus vorfabrizierten Bauteilen
DE19828607A1 (de)	1999-12-30	Verfahren zum Verstärken von Stahl- und Spannbetonbauteilen
DE202006015693U1 (de)	2007-02-08	Holz-Beton-Verbundelement
DE60007842T2 (de)	2004-12-09	Platte, zusammenbau solcher platten und verwendung zum aufnehmen schwerer lasten
DE2929350A1 (de)	1981-02-12	Verbundtraeger fuer gebaeudedecken
DE69518396T2 (de)	2001-03-29	Holz-Beton Verbundkonstruktion, insbesondere für die Herstellung von Brückendecken
EP1669505B1 (de)	2010-06-23	Stahlverbundträger mit brandgeschütztem Auflager für Deckenelemente
DE3021672A1 (de)	1981-01-22	Gewoelbetragwerk
DE29609800U1 (de)	1997-10-09	Deckenkonstruktion und Deckenelement
EP3591130B1 (de)	2023-07-12	Deckenkonstruktion
AT526252B1 (de)	2024-01-15	Verfahren zur herstellung einer fahrbahnplatte für eine brücke
EP1645693A1 (de)	2006-04-12	Anbausysteme für von Baukörpern auskragende Konstruktionen
WO1998032934A1 (de)	1998-07-30	Flachband-lamelle und deren verwendung zur verstärkung von bauwerkteilen
DE10134777B4 (de)	2008-11-20	Bauwerk und Verfahren zu seiner Herstellung
DE102018006790A1 (de)	2019-03-14	Balkenverstärkungsverbund
EP0826848B1 (de)	2005-04-27	Vorrichtung zur konzentrierten Krafteinleitung in Beton
DE102008022180B3 (de)	2009-11-26	Anordnung zur Ausbildung einer Rahmenecke einer Walzträger-in-Betonbauweise (WIB)
AT405955B (de)	2000-01-25	Trägerelement für die herstellung von tragkonstruktionen und mit solchen trägerelementen hergestellte tragkonstruktion
DE19825526A1 (de)	1999-12-09	Schienenkörper auf dauerbruchsicheren Fahrbahnplatten

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