EP2042657B1 - Dispositif pour l'ancrage de chaperons sur la superstructure de constructions - Google Patents

Dispositif pour l'ancrage de chaperons sur la superstructure de constructions Download PDF

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Publication number
EP2042657B1
EP2042657B1 EP07018879A EP07018879A EP2042657B1 EP 2042657 B1 EP2042657 B1 EP 2042657B1 EP 07018879 A EP07018879 A EP 07018879A EP 07018879 A EP07018879 A EP 07018879A EP 2042657 B1 EP2042657 B1 EP 2042657B1
Authority
EP
European Patent Office
Prior art keywords
anchor
superstructure
sleeve
plate
head
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
EP07018879A
Other languages
German (de)
English (en)
Other versions
EP2042657A1 (fr
Inventor
Enrico Dr.-Ing. Schwabach
Raimo Dr.-Ing. Füllsack-Köditz
Manfred Prof. Dr.-Ing. Curbach
Thomas Dr.-Ing. Bösche
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.)
Leviat GmbH
Original Assignee
Halfen GmbH and Co KG
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 Halfen GmbH and Co KG filed Critical Halfen GmbH and Co KG
Priority to AT07018879T priority Critical patent/ATE543954T1/de
Priority to EP07018879A priority patent/EP2042657B1/fr
Publication of EP2042657A1 publication Critical patent/EP2042657A1/fr
Application granted granted Critical
Publication of EP2042657B1 publication Critical patent/EP2042657B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges

Definitions

  • the invention relates to a device for anchoring caps on the superstructure of buildings of the type specified in the preamble of claim 1.
  • the plate anchors are arranged according to the requirements at a distance of up to 2.5 m from each other. After all plate anchors are set, the cap concrete is poured, wherein within the space of the cap a suitable reinforcement is provided. On the cap and the superstructure, for example, the superstructure of a bridge, act significant temperature changes, with a different thermal expansion of the cap and superstructure occurs. Since the known plate anchors as rigid elements the horizontal forces at different Stretching of the cap and superstructure allow no compensation, this can lead to significant damage to the structure, which occur in particular on the caps.
  • a sliding plate anchor for anchoring concrete caps on the superstructure of bridge structures described.
  • a loose flange located on a sealing layer, a loose flange, which has a relation to the size of the screw substantially larger opening, and in which the annular space between the loose flange and the clamping screw is filled by a spacer ring.
  • This spacer ring is preferably made of polyethylene foam, so that it is deformable with corresponding sliding forces acting on the loose flange.
  • the loose flange is pressed against the sealing layer by means of a screw head and the washer arranged between the loose flange and the screw head.
  • a loose flange is arranged on a geomembrane, which relatively closely surrounds the shaft of a plate anchor, so that only a small gap remains.
  • a sealing means in the form of a disc is arranged, which is compressed during clamping, and is deformable such that when the head is tightened any column or Openings between the head and the loose flange are sealed.
  • a fixed / loose flange construction is known as anchoring two concrete components.
  • the concrete components are separated by a seal and connected to each other by means of a screw connection.
  • the thickness of the seal is bridged by a transverse power disc, so that a moment does not arise in the connecting screw between the two parts of the loose / fixed flange construction.
  • the sliding layer is surrounded by an easily deformable element to provide the necessary space for the shift.
  • the invention has for its object to provide a device for anchoring caps on the superstructure of buildings of the generic type, which is inexpensive to produce and by the action of horizontal forces on the anchoring means is avoided.
  • the deformation body at its end adjacent to the floating bearing has a radial extension and surrounds the outer periphery of the movable bearing, a horizontal movement of the concrete of the cap is possible at the height of the movable bearing without affecting the anchor.
  • the armature is a bolt which has a threaded portion at least at its end facing away from the anchor head.
  • a bolt is a low-cost standard component, which can be fastened in a simple manner in the anchor mount for clamping the movable bearing against the sealing layer, it is particularly simple and inexpensive if the clamping element is a nut arranged on the threaded portion of the bolt. This allows the clamping force with which the floating bearing is acted upon against the sealing layer, set exactly.
  • the anchor head is made in one piece with the anchor shaft.
  • the anchor head is preferably designed as a hexagon, so that common tools can be used for its assembly.
  • the armature is a threaded rod, at the outer end of which a nut is arranged as the anchor head.
  • Such a design has the advantage that can be plugged onto the already mounted anchor shank of the deformation body and then the serving as an anchor head nut is screwed.
  • an anchor plate is arranged on the anchor head, which bears against a radial surface of the deformation body and has a larger diameter than the end facing the deformation of the body. This results between the anchor plate and the floating bearing a section into which the concrete can penetrate, so that in the vertical direction is given a large anchoring force.
  • the anchor plate has such a large opening, with respect to the armature shaft, that the armature plate is displaceable transversely to the armature shaft. In a horizontal movement of the concrete of the cap thus also the anchor plate is moved, as far as this allows the opening in the anchor plate.
  • the deformation element has an axial projection on its end face facing the anchor head and this projection engages in the opening of the anchor plate.
  • an intermediate disc whose outer diameter is at least 1.3 times, preferably about 1.5 times the diameter of the opening of the anchor plate.
  • the inner diameter of the washer is adapted to the diameter of the armature shaft.
  • the deformation body is preferably made of a rigid foam, in particular polystyrene.
  • a rigid foam in particular polystyrene.
  • Such a material provides sufficient stiffness in the introduction of the concrete for the production of the cap. Only in the case of a relative displacement of the cap, occur at the much larger forces, there is a deformation of the material.
  • the anchor receptacle preferably comprises a cast-in sleeve with an internal thread.
  • the sleeve is expediently provided with a cast-in anchoring element which has a head at its end facing away from the sleeve. The head serves to increase the tensile force in the longitudinal direction of the anchor and thus secures the anchor seat in the concrete of the superstructure.
  • the anchoring element has a threaded portion which is screwed into the sleeve.
  • the anchoring element protrude into a sleeve portion, said sleeve portion with the anchoring element firmly connected in other ways, for example, is pressed.
  • the sleeve is provided with a mounting element, which is embedded in concrete.
  • the anchor receptacle comprises a dowel with a threaded sleeve.
  • a dowel can be used in a hole in the concrete of the superstructure.
  • a bearing plate is arranged whose diameter is ⁇ the diameter of the floating bearing.
  • This bearing plate has a central opening which is matched to the outer diameter of the armature shaft.
  • the Fig. 1 shows a schematic representation of a cap 2, which is arranged on the lateral edge of a superstructure 1 of a building, in particular a bridge. Such caps 2 are often used as a walkway or for receiving noise barriers 3. To attach the cap 2 are arranged at regular intervals anchoring devices 4. This anchoring device 4 will later to Fig. 2 to 5 described in detail. With the arrow 5, the possible load of the soundproof wall 3 is indicated by wind, the arrow 6 denotes the tensile force and the arrow 7, the holding force. M k is the point at which the overturning moment acts.
  • the Fig. 2 shows a vertical section through a section of the superstructure 1 and the cap 2 with the anchoring device 4.
  • the anchoring device 4 comprises an anchor seat 8, which consists of an anchoring element 12 and a sleeve 11, the upper edge is flush with the upper edge of the superstructure 1.
  • the anchoring element 12 is designed as a bolt or correspondingly long screw and has a threaded portion 13 which is screwed into the lower end of the sleeve 11.
  • the anchoring element 12 has a head 14 and a disk 15 located thereon, so that the holding force is increased in the concrete of the superstructure 1.
  • the anchor receptacle 8 is provided with a mounting member 16 which extends orthogonal to the longitudinal axis of the anchoring element 12 and is secured to the lower end of the sleeve 11.
  • a sealing layer 21 are applied to the top of the superstructure 1 and anchor 9 set.
  • bearing plates 22 may be arranged in the region of the sleeve 11 of the anchor receptacle, which consist for example of a polymerized chloroprene rubber.
  • a bearing plate is for example between 2 mm and 10 mm thick, preferably the thickness is 3 mm.
  • a floating bearing 20 with a central bore through which a threaded portion 19 of the armature 9 projects, wherein the armature 9 is screwed by means of this threaded portion 19 in the sleeve 11.
  • the diameter of the bearing plate 22 is slightly larger than the diameter of the movable bearing 20th
  • the armature 9 has at the upper end of the armature shaft 17 an anchor head 18, which is the hexagonal head of a commercially available screw.
  • the armature shaft 17 is surrounded by a deformation body 10, which comprises a sleeve-shaped portion 24 and a radial extension 25 and an annular portion 26.
  • the radial extension 25 and the annular portion 26 cover the floating bearing 20 completely and include this together with the underlying sealing layer 21 a.
  • a projection 27 At the upper end of the sleeve-shaped Section 24 is a projection 27, where that the end face of the deformation body 10 forms a shoulder on which an anchor plate 28 abuts.
  • the anchor plate 28 has an opening 29 which is substantially larger than the diameter of the armature shaft 17, wherein the projection 27 ensures that the anchor plate 28 is positioned so that the edge of the opening 29 has the same distance to the armature shaft 17 everywhere.
  • an intermediate disc 30 Between the anchor head 18 and the anchor plate 28 is an intermediate disc 30 whose outer diameter is greater than the cross section of the opening 29.
  • a sealing element 31 which rests on the top of the anchor plate 28 and the Ingress of moisture between the armature shaft 17 and the deformation body 10 prevented.
  • extending in the longitudinal and transverse reinforcing bars 32 are provided.
  • the deformation body 10 is compressed due to its limited strength on the side on which the force acts, so that a displacement of the cap 2 is possible without on the armature 9 significant forces occur in the shear direction. Also, the floating bearing 20 retains its location, since here the annular portion 26 is deformed. Likewise, the anchor plate 28 can be displaced limited in the horizontal direction, in the extent of the distance between the inner wall of the opening 29 and the armature shaft 17. The respective dimensions of the deformation body 10 are taking into account the expected relative movements between the superstructure 1 and Cap 2 set.
  • Fig. 3 is a variant to Fig. 2 shown, which differs only with respect to the anchor seat 8 from the previously described embodiment.
  • the sleeve 11 below the mounting member 16 has a portion 35 through which the anchoring element 33 extends.
  • the portion 35 is pressed with the shank of the anchoring element 33.
  • the anchoring element 33 has a plate-shaped head 34, which helps to increase the holding force in the superstructure. All remaining parts in Fig. 3 agree with those of Fig. 2 match, so that the same reference numerals are used for the same parts.
  • the Fig. 4 shows a perspective view of a section through an anchored in an anchor mount in the superstructure anchor, that is in the state before concreting the cap. How out Fig. 4 it can be seen, is located in the superstructure 1 an anchor receptacle 8, which consists of a sleeve 36 and a threaded bolt 37 with end-side head 38. On the top 39 of the superstructure 1 is already in Fig. 2 and 3 bearing plate 22 shown, over which the sealing layer 21 extends. On the sealing layer 21 is the movable bearing 20, through whose central opening designed as a threaded bolt anchor shaft 40 projects, which is screwed into the sleeve 36.
  • the armature shaft 40 and the movable bearing 20 are surrounded by a deformation body 10, which has approximately the same shape as that in the Fig. 2 and 3 ,
  • a deformation body 10 At the upper end of the deformation body 10 is the anchor plate 28, which is brought by an anchor head 41 for abutment against the deformation body 10.
  • the Fig. 5 shows an alternative embodiment Fig. 4 in which in the superstructure 1, a vertical bore 42 is introduced.
  • This vertical bore 42 serves to receive a dowel 43 whose upper side 39 of the adjacent section is designed as a sleeve 44 and which is held at its further inner section with radially outwardly directed deformations 45 in the superstructure 1.
  • the bearing plate 22 which surrounds the armature shaft 40 sealingly, and above the sealing layer extends 21.
  • the floating bearing 20 On the sealing layer 21 is the floating bearing 20, which is loaded by the clamping element 23 against the sealing layer 21 ,
  • the deformation body 10 corresponds to the shape and consistency of that Fig. 4 ,
  • a nut 46 is screwed, which holds the anchor plate 28 in abutment against the deformation body 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Building Environments (AREA)

Claims (21)

  1. Dispositif pour l'ancrage de chaperons (2) sur la superstructure (1) de constructions, comprenant une couche d'étanchéité (21), des appareils d'appui lâches (20) et des logements d'ancrage (8), étant précisé qu'à l'état monté, la couche d'étanchéité (21) est disposée entre le chaperon (2) et la superstructure (1) et qu'il est prévu des moyens d'ancrage, que les appareils d'appui (20) sont prévus dans la zone des moyens d'ancrage, sur le côté de la couche d'étanchéité (21) tourné vers le chaperon (2) et que les moyens d'ancrage pénètrent dans la superstructure (1) par une ouverture des appareils d'appui (20) et sont aptes à être fixés dans ladite superstructure (1) dans les logements d'ancrage (8) correspondants, que les moyens d'ancrage comprennent chacun un élément d'ancrage (9) avec une tige d'ancrage (17, 40) et une tête d'ancrage (18, 41, 46), et qu'il est prévu sur l'élément d'ancrage (9) un élément de serrage (23) qui est destiné à serrer l'appareil d'appui lâche (20) contre la couche d'étanchéité (21),
    caractérisé en ce qu'il est prévu entre la tête d'ancrage (18, 41, 46) et l'appareil d'appui lâche (20) un corps de déformation (10) qui entoure la tige d'ancrage (17, 40) et qui présente une partie en forme de gaine (24), et en ce que le corps de déformation (10) présente à son extrémité voisine de l'appareil d'appui (20) une partie élargie radiale (25) et entoure la circonférence extérieure de l'appareil d'appui (20).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément d'ancrage (9) est constitué par un axe qui présente au moins à son extrémité opposée à la tête d'ancrage (18, 41, 46) une partie filetée (19).
  3. Dispositif selon la revendication 2, caractérisé en ce qu'il est prévu comme élément de serrage (23) un écrou disposé sur la partie filetée (19).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la tête d'ancrage (18) est réalisée d'une seule pièce avec la tige d'ancrage (17).
  5. Dispositif selon l'une des revendications 2 ou 3, caractérisé en ce que la tige d'ancrage (9) est constituée par une tige filetée à l'extrémité extérieure de laquelle est disposé comme tête d'ancrage un écrou (46).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce qu'il est prévu sur la tête d'ancrage (18, 41, 46) une plaque d'ancrage (28) qui est appliquée contre une surface radiale du corps de déformation (10) et qui présente un diamètre plus grand que l'extrémité du corps de déformation (10) tournée vers elle.
  7. Dispositif selon la revendication 6, caractérisé en ce que la plaque d'ancrage (28) présente une ouverture (29) d'une taille telle que ladite plaque d'ancrage (28) a une mobilité limitée transversalement par rapport à l'élément d'ancrage (9).
  8. Dispositif selon la revendication 7, caractérisé en ce que le corps de déformation (10) présente sur son côté frontal tourné vers la tête d'ancrage (18) une saillie axiale (27), et cette saillie (27) pénètre dans l'ouverture (29) de la plaque d'ancrage (28).
  9. Dispositif selon la revendication 7 ou 8, caractérisé en ce qu'il est prévu entre la tête d'ancrage (18) et la plaque d'ancrage (28) une rondelle intermédiaire (30) dont le diamètre extérieur est égal au moins à 1,3 fois, de préférence à 1,5 fois le diamètre de l'ouverture (29) de la plaque d'ancrage (28).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le corps de déformation (10) se compose d'une mousse rigide, en particulier du polystyrène.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le logement d'ancrage (8) comprend une gaine (11) scellée dans le béton et présentant un filetage intérieur.
  12. Dispositif selon la revendication 11, caractérisé en ce que la gaine (11) est pourvue d'un élément d'ancrage (12) scellé dans le béton, qui présente à son extrémité opposée à la gaine (11) une tête (14, 34).
  13. Dispositif selon la revendication 12, caractérisé en ce que l'élément d'ancrage (12) présente une partie filetée (13) qui est vissée dans la gaine (11).
  14. Dispositif selon la revendication 12, caractérisé en ce que l'élément d'ancrage (33) entre dans la partie formant gaine (35), et celle-ci est reliée par compression à l'élément d'ancrage (33).
  15. Dispositif selon l'une des revendications 11 à 14, caractérisé en ce que la gaine (11) est pourvue d'un élément de montage (16) scellé dans le béton.
  16. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le logement d'ancrage (8) comprend une cheville (43) avec une gaine filetée (44).
  17. Dispositif selon l'une des revendications 1 à 16, caractérisé en ce qu'il est prévu sous l'appareil d'appui lâche (20), entre la couche d'étanchéité (21) et la superstructure (1), une plaque d'appui (22) dont le diamètre ≥ au diamètre de l'appareil d'appui lâche (20).
  18. Dispositif selon la revendication 17, caractérisé en ce que l'épaisseur de la plaque d'appui (22) est située entre 2 mm et 10 mm, et est de préférence de 3 mm.
  19. Dispositif selon la revendication 17 ou 18, caractérisé en ce que la plaque d'appui (22) se compose d'un caoutchouc chloroprène polymérisé.
  20. Dispositif selon l'une des revendications 1 à 16, caractérisé en ce qu'il est prévu sous l'appareil d'appui (20), entre la couche d'étanchéité (21) et la superstructure (1), un joint d'étanchéité en matériau bitumineux.
  21. Dispositif selon l'une des revendications 1 à 20, caractérisé en ce que la tête d'ancrage (18) est pourvue d'un élément d'étanchéité (31) qui la recouvre.
EP07018879A 2007-09-26 2007-09-26 Dispositif pour l'ancrage de chaperons sur la superstructure de constructions Not-in-force EP2042657B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT07018879T ATE543954T1 (de) 2007-09-26 2007-09-26 Vorrichtung zur verankerung von kappen am überbau von bauwerken
EP07018879A EP2042657B1 (fr) 2007-09-26 2007-09-26 Dispositif pour l'ancrage de chaperons sur la superstructure de constructions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07018879A EP2042657B1 (fr) 2007-09-26 2007-09-26 Dispositif pour l'ancrage de chaperons sur la superstructure de constructions

Publications (2)

Publication Number Publication Date
EP2042657A1 EP2042657A1 (fr) 2009-04-01
EP2042657B1 true EP2042657B1 (fr) 2012-02-01

Family

ID=38935795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07018879A Not-in-force EP2042657B1 (fr) 2007-09-26 2007-09-26 Dispositif pour l'ancrage de chaperons sur la superstructure de constructions

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EP (1) EP2042657B1 (fr)
AT (1) ATE543954T1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063545A1 (de) 2010-12-20 2012-06-21 Hilti Aktiengesellschaft Vorrichtung zur Verankerung eines zweiten Betonteils an einem ersten Betonbauteil, insbesondere einer Kappe am Überbau eines Brückentragwerks
DE102013015714B3 (de) * 2013-09-20 2014-12-11 Viaduct Bau-Consulting Gmbh Brückenkappe mit Verankerung und Verfahren zum Anbringen einer Vorrichtung zum Verankern von Brückenkappen
WO2015149863A1 (fr) * 2014-04-04 2015-10-08 R2Di2 Ag Corniche de pont et ensemble de fixation d'une corniche de pont

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29612823U1 (de) 1995-10-09 1996-09-12 Friedrich Schroeder GmbH & Co. KG, 58809 Neuenrade Vorrichtung zur Verankerung von Betonkappen am Überbau von Bauwerken
DE19537399C1 (de) * 1995-10-09 1996-10-31 Schroeder Friedrich Gmbh & Co Vorrichtung zur Verankerung von Betonkappen am Überbau von Bauwerken
DE20012824U1 (de) 2000-07-25 2001-01-11 Schnabel, Winfried, Dipl.-Ing., 61191 Rosbach Fest-/Losflansch-Konstruktion bzw. nur Losflansch-Konstruktion zur Aufnahme von Horizontalkräften und Schrägzugkräften
DE10109001A1 (de) 2001-02-23 2002-09-05 Jannasch Gmbh & Co Kg Fugenkon Verschieblicher Telleranker zur Verankerung von Betonkappen am Überbau Von Brückenbauwerken
DE20303792U1 (de) 2003-03-07 2003-05-15 Ebsen Stahltechnik GmbH, 27327 Martfeld Vorrichtung zur Verbindung von Betonbauteilen, insbesondere Telleranker

Also Published As

Publication number Publication date
EP2042657A1 (fr) 2009-04-01
ATE543954T1 (de) 2012-02-15

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