EP1114896B1 - System zum Anbringen eines Bewehrungsbandes an einer Stützwand und Einrichtung zur Positionierung des Systems - Google Patents

System zum Anbringen eines Bewehrungsbandes an einer Stützwand und Einrichtung zur Positionierung des Systems Download PDF

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Publication number
EP1114896B1
EP1114896B1 EP01400010A EP01400010A EP1114896B1 EP 1114896 B1 EP1114896 B1 EP 1114896B1 EP 01400010 A EP01400010 A EP 01400010A EP 01400010 A EP01400010 A EP 01400010A EP 1114896 B1 EP1114896 B1 EP 1114896B1
Authority
EP
European Patent Office
Prior art keywords
loop
staples
wall
panel
extending
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.)
Expired - Lifetime
Application number
EP01400010A
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English (en)
French (fr)
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EP1114896A1 (de
Inventor
Pierre Orsat
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.)
Freyssinet International STUP SA
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Freyssinet International STUP SA
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Publication date
Application filed by Freyssinet International STUP SA filed Critical Freyssinet International STUP SA
Publication of EP1114896A1 publication Critical patent/EP1114896A1/de
Application granted granted Critical
Publication of EP1114896B1 publication Critical patent/EP1114896B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements

Definitions

  • the invention relates to a system for attaching a reinforcing strip to a wall of a reinforced retaining structure.
  • Such works of support is provided for backfill or excavation in the area the construction of roads, wharves, highways, buildings and other achievements of the building and public works sector.
  • Reinforced earthworks for backfill or excavation include a wall facing, usually made of concrete, and, between the massive located at the back and the wall facing, a specific embankment, made of granular, reinforced by linear reinforcing bands, extending into a plurality of superimposed horizontal planes.
  • the reinforcement strips reinforcement are attached to the wall facing through a system attachment.
  • the present invention proposes to overcome this disadvantage.
  • the invention relates to a system for attaching a band reinforcement to a wall of a reinforced retaining structure, this system comprising said wall and a winding support of the reinforcing strip fixed to this wall by means of two fixing loops of the winding support to the wall, characterized in that the two handles are formed from a closed loop of non-corrodable material, said loops extending one another continuously by two loop portions embedded in the wall.
  • the two handles extend one another continuously.
  • the loop of non-corrodible material, partially embedded in the wall, guarantees a good anchorage of the handles, without any risk of corrosion.
  • the loop is made of plastic material.
  • the loop may include a polyester fiber core, which ensures the mechanical strength of the band.
  • the loop comprises a polyethylene sheath.
  • the wall of the retaining structure, in which the fastening system is partially embedded, is usually concrete.
  • the Concrete is an alkaline medium that may damage polyester fibers.
  • the Polyethylene sheath helps protect the polyester fiber core.
  • the loop is formed from a band rolled up on itself.
  • the loops comprise both ends of the strip.
  • the invention also relates to a device for installing the system of attachment, explained above, to a wall of a retaining structure reinforced, including a loop shaping template and training two handles.
  • the attachment system of the invention is intended to attach a band reinforcement to a cladding wall of a retaining structure, such as the shown in Figure 1.
  • This book which supports a massive 1, includes, between the cladding wall 2 and the solid 1, a reinforced embankment 3 reinforced by reinforcement strips 4-6, which extend in a plurality of planes Bunk.
  • the wall 2 is constituted by the assembly of a plurality of panels.
  • Each armature band 4-6 goes back and forth, in "zig-zag", between a return bar 7-9, located near the solid mass 1, and the facing wall 2, to which it is attached using the attachment system that will now to be described.
  • the fastening system comprises a support 10 of winding of a reinforcing strip 4, or "pin", and two handles 11a, 11b of fixing the winding support 10 to the wall 2, projecting out of the wall 2.
  • the handles 11a, 11b, perpendicular to the wall 2 and facing one of the other, are separated by a distance less than the length of the pin 10.
  • Each handle 11a (11b) comprises two branches 13a, 14a (13b, 14b) substantially parallel and connected by a curved portion 15a (15b).
  • the distance between the two branches 13a, 14a (13b, 14b) of a loop 11a (11b) is substantially equal to the diameter of the pin 10.
  • the two handles 11a, 11b are formed from a base loop 16. This loop 16, flattened, has a globally oval shape and comprises two connected parallel portions between them by two "U" connection portions.
  • the two connecting portions are raised, the loop 16 having thus globally, and naturally, in the form of a gondola.
  • the loop 16 is partially embedded in the wall 2, which it projects by the two handles 11a, 1 1b. These are thus extend one another by two loop portions embedded in the wall 2. Thanks to the fact that the two handles are part of the same piece and are not isolated from each other, the portions of the loop, bringing together the two handles and embedded in the concrete, ensure fastening of the fastening system on an interesting portion of the wall of the retaining structure.
  • Concrete embedded buckle portions provide excellent anchoring handles 11a, 11b in the wall 2.
  • the loop 16 is formed from a partially wound strip on itself and whose two ends 17, 18 are welded to the strip.
  • the tape is made of non-corrodible plastic material. It includes a soul in polyester fibers, with high mechanical strength, especially traction, surrounded by a protective polyethylene sheath. The sheath is intended for protect the polyester fiber core from the alkalinity of the wall 2 concrete and the aggressiveness of the embankment used.
  • the two handles 11a, 11b comprise respectively the two ends 17, 18 of the strip, which are thus outside the wall 2. Thanks to this, the soul of the band is not likely to be damaged at the level of ends 17, 18 because of the alkalinity of the concrete.
  • the winding support 10, also called pin, is a bar cylindrical. It is fixed to the wall 2 by passing through the two handles 11a, 11b. A reinforcing strip 4 is intended to be wrapped around the pin 10, on a half turn, as shown in FIG.
  • This device 20 comprises a cylindrical bar 21, substantially of same shape as the pin 10, forming conformation template of the buckle 16 and formation of the two handles 11a, 11b.
  • Two pairs of flanges, or annular flanges, 22a, 23a, 22b, 23b, for positioning the loops 11a, 11b along the jig 21, are mounted on the template 21 and secured to it.
  • Each handle 11a (11b) is intended for being blocked laterally, along the jig 21, between the two flanges 22a, 23a (22b, 23b) of a pair of flanges, the spacing between the two pairs of flanges 22a, 23a, 22b, 23b thus defining the spacing between the two handles 11a, 11b.
  • the laying device 20 also comprises two spacers 24a, 24b, integral with the jig 21, and two clips 25a, for pressing the handles 11a, 11b against the spacers 24a, 24b to ensure the parallelism between the branches 13a, 14a, 13b, 14b, loops 11a, 11b, for a distance of at least equal to the diameter of the pin 10.
  • the spacers 24a, 24b are integral with the jig 21. Each spacer 24a (24b) extends between the two flanges 22a, 23a (22b, 23b) of a pair of flanges, below the jig 21, as shown in FIG.
  • the two spacers 24a, 24b being identical, only one will now be described.
  • the spacer 24a generally has the shape of a rectangular parallelepiped comprising two lateral bearing surfaces 27a, 28a, parallel to the axis longitudinally of the jig 21, and an upper surface providing a cavity 28a of receiving the template 21.
  • the distance separating the two bearing surfaces 27a, 28a is substantially equal to the distance between the two branches 13a, 14a from Cove 11a.
  • Each clip 25a comprises two support arms 29a, 30a, resiliently deformable, extending one another and provided with two free ends of support bent outwards.
  • the two support arms 29a, 30a are intended to flatten, by their curved free ends, the two branches 13a, 14a of the handle 11a against the two bearing surfaces 27a, 28a of the spacer 24a, to ensure the parallelism between the two branches 13a, 14a of the handle 11a and maintain the loop 16 conformed during installation of the system attachment.
  • the concrete panels constituting the wall 2 are manufactured by flat molding. During the manufacture of a panel, the device is positioned 20 above the mold, the spacers 24a, 24b extending below of the template 21, and it is locked in rotation the template 21. We then take the loop 16, not yet shaped.
  • the loop 16 is conformed by applying it against the upper part of the jig 21, between the two flanges 22a, 23a a pair of flanges, and against the bearing surfaces 26a, 27a of the spacer 24a.
  • the clip 25a is then placed by straddling it on the jig 21, by a vertical movement downwards between the two flanges 22a, 23a.
  • Both arm 29a, 30a of clip 25a come to press and hold, by their ends free curved, the two branches 13a, 14a of the handle 11a against both bearing surfaces 26a, 27a of the spacer 24a, thereby ensuring parallelism between the two branches 13a, 14a.
  • the clips 25a block the handles 11a, 11b and thus prevent any movement of the handles 11a, 11b that either up or down.
  • the base band, from which the handles 11a, 11b are formed, was implicitly flexible in the description that has just been made. We could imagine a fastening system using a loop of rigid material or semi-rigid.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Tents Or Canopies (AREA)
  • Building Environments (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (13)

  1. System zum Anbringen eines Bewehrungsbandes (4) an einer Wand (2) einer verstärkten Tragkonstruktion, wobei das System die genannte Wand und einen Halter (10) zum Aufrollen des Bewehrungsbands aufweist, die an dieser Wand mittels zweier Bügel (11a, 11b) zur Befestigung des Aufrollhalters (10) an der Wand (2) umfasst, dadurch gekennzeichnet, dass die beiden Bügel (11a, 11b) ausgehend von einer geschlossenen Schlaufe (16) aus nicht korrodierbarem Material gebildet werden, wobei die Bügel jeweils durch die beiden in die Wand eingelassenen Schlaufenabschnitte durchgehend verlängert sind.
  2. System nach Anspruch 1, bei dem die Schlaufe (16) aus Kunststoff besteht.
  3. System nach einem der Ansprüche 1 und 2, bei dem die Schlaufe (16) einen Kern aus Polyesterfasern hat.
  4. System nach Anspruch 3, bei dem die Schlaufe (16) einen Mantel aus Polyethylen aufweist.
  5. System nach einem der Ansprüche 1 bis 4, bei dem die Schlaufe (16) ausgehend von einem um sich selbst gerollten Band gebildet wird.
  6. System nach Anspruch 5, bei dem die Bügel (11a, 11b) die beiden Enden (17, 18) des Bands umfassen.
  7. Montagevorrichtung für eine Einheit aus zwei Bügeln (11a, 11b) zum Anbringen eines Aufrollhalters (10) eines Bewehrungsbands für eine verstärkte Tragkonstruktion an einer Betonplatte (2), die zur Montage der Wand dieser Konstruktion bestimmt ist, wobei die Bügel (11a, 11b) aus einer Schlaufe (16) hergestellt werden und jeweils durchgehend verlängert sind, wobei die Vorrichtung dazu bestimmt ist, über einer Gussform für diese Platte in der Weise angeordnet zu werden, dass beim Formguss der Platte der Teil der Schlaufe, der die Bügel verlängert, in den Beton eingelassen wird, wobei die Vorrichtung eine Schablone (21) zum Formen der Schlaufe (16) und zur Bildung der beiden Bügel (11 a, 11b) umfasst.
  8. Vorrichtung nach Anspruch 7, bei der Vorrichtungen (22a, 23a, 22b, 23b) zur Positionierung der beiden Bügel (11a, 11b) entlang der Schablone (21) vorgesehen sind.
  9. Vorrichtung nach Anspruch 8, bei der die Positionierungsvorrichtungen zwei Paar Manschetten (22a, 23a, 22b, 23b) umfassen, die an die Schablone (21) montiert und dazu bestimmt sind, die beiden Bügel (11a, 11b) jeweils von der Seite her zu blockieren.
  10. Vorrichtung nach einem der Ansprüche 7 bis 9, bei der Vorrichtungen vorgesehen sind, die den parallelen Verlauf zweier Teilstücke (13a, 14a, 13b, 14b) jedes Bügels (11a, 11 b) sicherstellen sollen.
  11. Vorrichtung nach Anspruch 10, bei der die Vorrichtungen zur Sicherstellung des parallelen Verlaufs zweier Teilstücke (13a, 14a, 13b, 14b) jedes Bügels (11a, 11b) einen Abstandshalter (24a, 24b) umfassen, der sich zwischen den Manschetten (13a, 14a, 13b, 14b) eines Paars erstreckt.
  12. Vorrichtung nach Anspruch 11, bei der Vorrichtungen (25a) zum Andrücken der beiden Teilstücke (13a, 14a) des Bügels (11a) an das Abstandsstück (24a) vorgesehen sind.
  13. Platte, die zur Montage einer Wand (2) einer verstärkten Tragkonstruktion vorgesehen ist und ein System zum Anbringen eines Bewehrungsbands (4) an der Platte umfasst, welches System zwei Bügel (11a, 11b) zur Anbringung eines Aufrollhalters (10) des Bewehrungsbands umfasst, gekennzeichnet dadurch, dass die beiden Bügel (11a, 11b) ausgehend von einer geschlossenen Schlaufe (16) aus nicht korrodierbarem Material gebildet werden, wobei die Bügel jeweils durch zwei in der Platte versenkte Schlaufenabschnitte durchgehend verlängert sind.
EP01400010A 2000-01-07 2001-01-04 System zum Anbringen eines Bewehrungsbandes an einer Stützwand und Einrichtung zur Positionierung des Systems Expired - Lifetime EP1114896B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0000178A FR2803610B1 (fr) 2000-01-07 2000-01-07 Systeme d'attache d'une bande d'armature a une paroi d'un ouvrage de soutenement et dispositif de pose dudit systeme
FR0000178 2000-01-07

Publications (2)

Publication Number Publication Date
EP1114896A1 EP1114896A1 (de) 2001-07-11
EP1114896B1 true EP1114896B1 (de) 2005-03-16

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EP01400010A Expired - Lifetime EP1114896B1 (de) 2000-01-07 2001-01-04 System zum Anbringen eines Bewehrungsbandes an einer Stützwand und Einrichtung zur Positionierung des Systems

Country Status (8)

Country Link
US (1) US6447212B2 (de)
EP (1) EP1114896B1 (de)
JP (1) JP4544754B2 (de)
AT (1) ATE291126T1 (de)
AU (1) AU780932B2 (de)
DE (1) DE60109334D1 (de)
FR (1) FR2803610B1 (de)
TR (1) TR200100153A3 (de)

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Also Published As

Publication number Publication date
EP1114896A1 (de) 2001-07-11
FR2803610B1 (fr) 2002-09-27
JP2001226969A (ja) 2001-08-24
AU1108501A (en) 2001-07-12
DE60109334D1 (de) 2005-04-21
AU780932B2 (en) 2005-04-28
US20010014255A1 (en) 2001-08-16
TR200100153A2 (tr) 2001-08-21
FR2803610A1 (fr) 2001-07-13
TR200100153A3 (tr) 2001-08-21
ATE291126T1 (de) 2005-04-15
JP4544754B2 (ja) 2010-09-15
US6447212B2 (en) 2002-09-10

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