EP2149655A2 - Procédé d'introduction de corps de fermeture dans des trous d'ancrage d'une paroi en béton - Google Patents

Procédé d'introduction de corps de fermeture dans des trous d'ancrage d'une paroi en béton Download PDF

Info

Publication number
EP2149655A2
EP2149655A2 EP09008635A EP09008635A EP2149655A2 EP 2149655 A2 EP2149655 A2 EP 2149655A2 EP 09008635 A EP09008635 A EP 09008635A EP 09008635 A EP09008635 A EP 09008635A EP 2149655 A2 EP2149655 A2 EP 2149655A2
Authority
EP
European Patent Office
Prior art keywords
adhesive
anchor hole
concrete
anchor
cone
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.)
Granted
Application number
EP09008635A
Other languages
German (de)
English (en)
Other versions
EP2149655A3 (fr
EP2149655B1 (fr
Inventor
Andreas Heymann
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.)
BAG Bauartikel GmbH
Original Assignee
BAG Bauartikel GmbH
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 BAG Bauartikel GmbH filed Critical BAG Bauartikel GmbH
Publication of EP2149655A2 publication Critical patent/EP2149655A2/fr
Publication of EP2149655A3 publication Critical patent/EP2149655A3/fr
Application granted granted Critical
Publication of EP2149655B1 publication Critical patent/EP2149655B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/0644—Plug means for tie-holes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements

Definitions

  • the invention relates to a method for introducing closure bodies in concrete wall anchor holes according to the preamble of claim 1.
  • anchor systems consisting of threaded anchor rods and on these screw-on cones.
  • the anchor rods are introduced, for example in the case of tunneling in the mountain walls, at its free ends cones, such as metal-plastic cones, are screwed to which the shuttering panels are attached. After backfilling the shuttering thus formed with concrete and its curing, the casing is removed again, and the metal-plastic cones are unscrewed from the remaining in the concrete wall Gewindeankerstäben. As a result, conical recesses remain in the concrete wall, in which are the few centimeters long free ends of the threaded anchor rods.
  • Another disadvantage is the difference in length between the concrete cone and cone-shaped recess, since an adhesive is limited to the shorter length of Betonkonen.
  • the method of gluing the concrete cone itself is problematic because it does not give satisfactory results.
  • the adhesive is applied in a first step on the lateral surface of the concrete cone and then pressed in the conical opening. The job must be carried out all around and flat, in order to achieve a complete seal later.
  • the problem is that the air contained in the conical recess is first included when inserting the concrete cone and is compressed during further impressions of the concrete cone in the conical opening, so that the concrete cone is pressed out of the recess again.
  • the required pressure equalization occurs only when the compressed air between the lateral surface of the concrete cone and the conical inner wall of the recess can escape through the adhesive to the outside, which inevitably inevitably air channels in the region of the adhesive arise. This can result in this tension point becoming water-impermeable.
  • Another problem is the centering of the concrete cone in the conical recess when sticking in horizontal wall areas.
  • the aim here is a uniform adhesive layer in a uniformly extending gap between the recess and lateral surface of the concrete cone. Due to its own weight, however, the concrete cone displaces the adhesive in its lower area, whereby a wider gap forms in the upper area, which may not be completely filled with adhesive and thus again permeable to water.
  • Object of the present method for introducing closure bodies in concrete wall anchor holes is a simple and safe introduction of concrete cones in the anchor holes and the waterproof bonding in wall and ceiling areas without air pockets.
  • the process should be carried out in a standardized manner in order to achieve reproducibly good results.
  • the orientation of the concrete cones in the anchor holes and their secure fixation in all wall areas should be ensured.
  • a quantity of adhesive introduced into the base of the anchor hole in a first method step is metered as a function of the dimensioning of the anchor hole.
  • the concrete cone used for the method has a driving aid, for example a slot on its outer side, which is already formed during the casting process and corresponds with a corresponding tool. It should be noted here that is reduced by the inventive method, the force when inserting the concrete cones, since no more air is compressed in the anchor hole, but this is pushed through the still open gap to the outside.
  • a driving aid for example a slot on its outer side
  • the existing threaded rod in the anchor hole can be completely screwed through the concrete cone, which is glued to its full lateral surface in the anchor hole and thus holds securely.
  • the threaded connection ensures the concrete cone against falling out of the anchor hole in case of failure of the adhesive effect.
  • FIGS. 1 to 3 show here the FIGS. 1 to 3 the procedure from the introduction of the adhesive 4 to the complete screwing of the concrete cone 1.
  • the adhesive 4 is already placed on the bottom of the anchor hole 2 and surrounds the protruding from the bottom of the anchor hole 2 tail of the threaded anchor 3.
  • the concrete cone 1 is inserted into the anchor hole, but does not attack with its internal thread on the threaded anchor 3.
  • FIG. 3 shows the fully screwed concrete cone 1, which now fills the anchor hole 2.
  • the tail of the threaded anchor 3 is in this case completely in the internal thread the concrete cone 1 has been screwed.
  • the joint 5 extending between the lateral surface of the concrete cone 1 and the anchor hole 2 is now very narrow but still completely uniform due to insertion of the concrete cone 1 guided on the threaded anchor 3.
  • the joint 5 and thus the entire cavity of the anchor hole is filled with adhesive 4.
  • the concrete cone 1 is thus glued with its entire lateral surface with the wall of the anchor hole 2 and introduced by the combination of this bond with the threaded connection both solid and sealed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)
EP20090008635 2008-07-04 2009-07-01 Procédé d'introduction de corps de fermeture dans des trous d'ancrage d'une paroi en béton Not-in-force EP2149655B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810031380 DE102008031380A1 (de) 2008-07-04 2008-07-04 Verfahren zum Einbringen von Verschlußkörpern in Betonwand-Ankerlöcher

Publications (3)

Publication Number Publication Date
EP2149655A2 true EP2149655A2 (fr) 2010-02-03
EP2149655A3 EP2149655A3 (fr) 2011-09-07
EP2149655B1 EP2149655B1 (fr) 2014-08-13

Family

ID=41396699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090008635 Not-in-force EP2149655B1 (fr) 2008-07-04 2009-07-01 Procédé d'introduction de corps de fermeture dans des trous d'ancrage d'une paroi en béton

Country Status (2)

Country Link
EP (1) EP2149655B1 (fr)
DE (1) DE102008031380A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108918264A (zh) * 2018-06-29 2018-11-30 上海市建筑科学研究院 装配整体式混凝土建筑密封材料嵌缝粘结性能检测方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912934A1 (de) * 1988-04-26 1989-11-16 Richard Baehr Verschlussteil fuer betonwand oder betondecke
US4905429A (en) * 1987-11-11 1990-03-06 Denka Kogyo Kabushiki Kaisha Device for filling up of recess left in concrete wall after removal
JP2006161455A (ja) * 2004-12-09 2006-06-22 Okabe Co Ltd 跡孔埋込栓

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905429A (en) * 1987-11-11 1990-03-06 Denka Kogyo Kabushiki Kaisha Device for filling up of recess left in concrete wall after removal
DE3912934A1 (de) * 1988-04-26 1989-11-16 Richard Baehr Verschlussteil fuer betonwand oder betondecke
JP2006161455A (ja) * 2004-12-09 2006-06-22 Okabe Co Ltd 跡孔埋込栓

Also Published As

Publication number Publication date
EP2149655A3 (fr) 2011-09-07
EP2149655B1 (fr) 2014-08-13
DE102008031380A1 (de) 2010-01-07

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