EP3176330B1 - Couverture d'un support - Google Patents

Couverture d'un support Download PDF

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Publication number
EP3176330B1
EP3176330B1 EP16201653.9A EP16201653A EP3176330B1 EP 3176330 B1 EP3176330 B1 EP 3176330B1 EP 16201653 A EP16201653 A EP 16201653A EP 3176330 B1 EP3176330 B1 EP 3176330B1
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EP
European Patent Office
Prior art keywords
frame
cover
load distribution
distribution layer
cover plate
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.)
Active
Application number
EP16201653.9A
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German (de)
English (en)
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EP3176330A1 (fr
Inventor
Philipp Becker
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.)
Innonox Ug (haftungsbeschrankt)
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Innonox Ug (haftungsbeschrankt)
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Publication of EP3176330A1 publication Critical patent/EP3176330A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water

Definitions

  • the invention relates to a cover of an underground, for example for the design of loading and unloading stations for tank vehicles.
  • the invention is also suitable for sealing structures, such as underground garages, building basements or bridge structures, and water reservoirs, for example drinking water reservoirs.
  • the aim is to provide a seal which is resistant to environmental influences and possibly aggressive substances and which, in particular, prevents the penetration of moisture and other liquids into the substrate.
  • Another cladding element for buildings with a cover layer made of a metal sheet and on the underside of the cover layer protruding edge webs which, together with the cover layer, delimit a receiving space with a hardening casting compound based on a mixture of quartz sand and an epoxy resin compound is filled is the subject of DE 20 2005 014 937 U1 .
  • a complex prefabrication is necessary, which can only be accomplished with great effort, in particular when realizing large-format covers. This seems to be in need of improvement.
  • the object of the invention is to propose a cover of a substrate of the type mentioned at the outset, which can be created in a particularly simple manner on site and which ensures reliable and permanent sealing of the substrate covered in this way, even when aggressive liquids such as acids or alkalis occur.
  • the invention provides for a frame of interconnected sections of steel profiles to be placed on the surface to be covered and firmly connected to it, the frame delimiting a filling space above the surface, which is filled with a curable load distribution layer after application of the frame.
  • a cover plate that completely covers this is applied to the load distribution layer and is welded all around the edge of the frame, the underside of the cover plate being provided with protruding reinforcing bolts to ensure good load distribution and connection between the components of the cover according to the invention, which are provided when the cover plate is applied in penetrate the not yet hardened load distribution layer and are arranged in the manner of a reinforcement after the load distribution layer has hardened and produce a permanent and tear-resistant connection between the cover plate and the load distribution layer and the frame surrounding it.
  • the surface of the substrate to be covered is first measured and a laying plan is drawn up, which shows the course and the size of the frame to be manufactured or of several frames joined together in a modular manner.
  • the prefabricated stainless steel frame or a large number of such frames which is preferably prefabricated according to the installation plan, is placed on the load-bearing surface, which is usually formed by a layer of concrete or screed, and fastened to the surface in the manner described in more detail below with suitable fastening means.
  • a filling space is then formed within the frame and on the underside of the base, which is filled with a suitable load distribution layer, such as a basalt casting compound reinforced with stainless steel fibers, the upper edge of the at least one frame placed on the base acting as a peeling edge, so that the filling space is completely included the load distribution layer can be filled and a flat surface is achieved.
  • a suitable load distribution layer such as a basalt casting compound reinforced with stainless steel fibers
  • a cover plate is applied, which is provided on its underside facing the load distribution layer with projecting, for example welded-on reinforcement bolts which penetrate into the not yet hardened load distribution layer when it is applied.
  • these reinforcing bolts establish a firm connection between the cover plate and the load distribution layer and, in addition, the cover plate, which rests on the frame, is welded to the frame all around and in a liquid-tight manner. Tear-out strengths of, for example, 850 kg are guaranteed in the pull-out test.
  • the reinforcing bolts introduced into the load distribution layer preferably have a height which is about 1 to 2 mm less than the thickness of the load distribution layer.
  • the load distribution layer used in the context of the invention can in particular be formed from a basalt casting compound reinforced with stainless steel fibers, which is commercially available, for example, from Pagel Spezial-Beton GmbH under the designation V1A / 40.
  • a basalt casting compound is reinforced with steel fibers with a diameter of 0 - 4 mm and, in addition to high mechanical strengths, high frost and de-icing salt resistance, water impermeability as well as fuel resistance and high temperature resistance.
  • the steel profiles of the frame can be made from austenitic steels and stainless austenitic steels according to EN 10088, in particular from suitable stainless steel and, according to a proposal of the invention, can be designed as a hollow profile with at least one hollow chamber, and the hollow chambers of the sections communicate with one another, so that the one ultimately encircling closed hollow chamber.
  • At least one gas connection piece can open into this hollow chamber and can be provided at a suitable position of the frame. This at least one gas connection piece can be used on the one hand to introduce protective gas into the profile sections of the frame in order to ensure the supply of protective gas when the sections are welded to the frame.
  • a test gas can also be introduced into the hollow chambers of the sections under sufficient pressure via this gas connecting piece, in order then to carry out a leak test, for example by means of leakage foam or in the paint penetration method.
  • the cover according to the invention comprises at least one frame with filled filling space and cover plate applied on the upper side, but in the case of larger areas it is in particular provided that several frames each with a filled load distribution layer and cover plate are joined together in a modular manner, with adjoining cover plates partially covering the frames and being welded to one another in a sealing manner.
  • each frame has a frame profile of greater width along a long side and a transverse side and on the each opposite side has a frame profile of smaller width, over which the cover plate protrudes on the edge.
  • the frame profile of greater width is then partially pushed under the projecting edge of the adjacent cover plate until it abuts the frame profile of smaller width there and then the cover plates coming into contact with one another are continuously welded to one another.
  • stainless steel screws are introduced, if appropriate by means of appropriate dowels or directly into the base in corresponding bores, so that they come to lie adjacent to the frame.
  • the stainless steel screws inserted into the surface are then welded to the frame.
  • the cover plate provided within the scope of the invention can also be formed from austenitic steels and rustproof austenitic steels according to EN 10088, in particular stainless steel, with a surface that is smooth on the top or also profiled, for example as a tear plate with a thickness of 1 to 5 mm.
  • the cover plate also forms the usable surface on the top of the created cover of the substrate, i. H. this area is used, for example, by a tanker and is directly accessible.
  • the cover plate can also represent an intermediate layer that ensures the sealing, and protruding reinforcing bolts are also formed on the top side facing away from the load distribution layer, so that a base material, for example based on a concrete material, can be applied to the top side of the cover plate, into which the reinforcement bolts are embedded to create a mechanically resilient connection.
  • a base material fixed with the cover according to the invention e.g. B. on the basis of a concrete material, for example, a poured asphalt layer can then be applied, so that the cover according to the invention is also suitable for use on vehicle bridges and the like.
  • the inventive covering of a subsurface can be designed not only as an underlay covering in a substantially horizontal orientation, but also as a side wall covering in an essentially vertical orientation, for example as a basement sealing of walls and floors against water pressing from the outside and as a sealing of a water reservoir against water pressing from the inside ,
  • a cover is created in the area of the floor in the manner described above, but also a cover is created in the wall area in the desired or required height from one or more frames which, after being fixed on the wall, gradually with the Load distribution layer filled and provided with the cover plates and welded all around.
  • the transition to the floor covering is also carried out using continuous weld seams.
  • All welded connections are preferably made using the MIG and / or TIG process.
  • the cover of a subsurface provided with reference number 1 is shown in a sectional illustration, which is formed, for example, from a concrete material and represents, for example, the top end of an underground garage or the like.
  • frames 2 are first made from sections 20, 21, 22 of a stainless steel profile that are connected to one another as shown in FIG Figure 4 clearly laid out, which can already be prefabricated and have dimensions of 1 x 2 meters, for example, for easy transport.
  • the longitudinal sections 20, the transverse sections 22 and, in addition to the reinforcement, transverse sections 21 are made of stainless steel profiles which have at least one hollow chamber 23, 24, the individual sections 20, 21, 22 being welded together to form the frame 2 are such that the cavities 23, 24 of the individual sections communicate with one another and form a common cavity. It is thus possible to supply a protective gas inside the hollow chamber 23, 24 via gas connection stubs, not shown, in order to carry out the welding of the profiles in the presence of the protective gas. After the frame 2 has been created, the tightness of the welded connection can also be checked, for example by means of leakage foam.
  • the individual are from the Figure 4 visible frame 2 placed on the ground 1 and adjacent to the individual sections 20, 21, 22 of the frame 2 are in suitable positions
  • holes are drilled in the subsurface 1 and stainless steel screws 5 are fastened in these holes.
  • a spot weld connection is then effected between the screw head of the stainless steel screw 5 and the adjacent profile of the frame 2 in order to achieve a fixation of the frame 2 with respect to the base 1.
  • one transverse section 22b has a smaller width than the opposite section 22a.
  • the filling space 200 which is bordered by the frame 2 above the substrate 1 and is accessible from above, is filled with a suitable hardenable load distribution layer 3, for example a steel fiber reinforced basalt casting compound, the upper edge of the frame 2 acting as a peel edge and so far a uniform filling of the filling space 2 can be achieved.
  • a suitable hardenable load distribution layer 3 for example a steel fiber reinforced basalt casting compound
  • the reinforcing bolts are in this case approximately 1 to 2 mm shorter than the thickness of the load distribution layer 3.
  • the cover plate 4 can then be pre-fixed to the frame 2 by spot welding until the load distribution layer 3 has hardened.
  • the cover plate 4 projects beyond the section 22b in the case of a plurality of frames 2 joined together in a modular manner and the adjacent section 22a of the next module can partially engage under this projection.
  • the subsequent welding of the cover plates 4 therefore takes place approximately centrally over the section 22a.
  • the profile sections 20 alternately have this width gradation, so that a complete circumferential edge welding the cover plates 4 with the associated frame 2 as well as between adjacent cover plates 4 along a seam 45 to ensure a liquid-tight permanent covering of the substrate 1.
  • the reinforcing bolts 42 applied to the cover plate in the area of the underside 40 can be rationally prefabricated, for example, with an automatic stud welding machine.
  • the cover plate welded in this way in the frame along a circumferential weld seam 45 represents a cover that is also permanently sealed against aggressive substances and, because of the connection created to the hardened load distribution layer 3, can easily be subjected to high point and surface loads by means of the embedded reinforcement bolts 42, for example by vehicles become.
  • cover plate 4 also represents the surface that can be driven on or walked on and can be formed, for example, from a smooth stainless steel plate or a profiled stainless steel plate, for example a teardrop or corrugated plate.
  • the cover explained above is used, for example, as a seal in bridge structures below the mobile covering.
  • the arrangement and attachment of the cover is carried out analogously to the exemplary embodiment according to Figure 1 , however in this case the cover plate 4 also has on its upper side 41 facing away from the load distribution layer 3 a multiplicity of protruding and, for example, welded-on reinforcing bolts 43, which are embedded in an applied underlay 6, for example based on a suitable concrete material, see here Figure 5 ,
  • FIG. 6 to 8 Another embodiment of a cover is shown, which is used, for example, to seal a cellar space against a liquid that presses from the outside, such as groundwater.
  • the subsurface 1 forming the floor area is covered with a multiplicity of frames 2 made of welded stainless steel profiles, a load distribution layer introduced into the filling space of the frames 2 and cover plates 4 placed on the top, and complete circumferential means are sealed liquid-tight by means of welded connections (not shown).
  • the cover plates 4 have welded-on alarm bolts 42 on the underside, which have penetrated into the load distribution layer prior to curing.
  • a cover of the adjacent, vertically extending basement outer wall, which also forms a base 1 is provided.
  • This cover is formed from a plurality of frames 2 which are joined together and welded to one another in a modular manner and which are fastened to the base 1 by means of screws or adhesive anchors 5 by means of screws or adhesive anchors 5, via welded-on tabs 50, just like the frames 2.
  • cover plates 4 are applied to the respective frames 2 starting from the bottom up and welded all round, which are provided on the underside with projecting alarm bolts 42.
  • the resulting cavity between the base 1 and the cover plate 4 welded onto the frame 2 is then filled with the load distribution layer 3, which spreads completely around the above reinforcing bolts 42 in the cavity between the base 1 and cover plate 4.
  • This process is repeated successively until the individual frames 2 are completely covered with cover plates 4 and filled with the load distribution layer 3.
  • the individual abutting cover plates 4 are then welded to one another and to the frame 2 in a liquid-tight manner, and the transition U between the horizontal and vertical cover is also shown in accordance with Figure 6 welded to seal.
  • a further load distribution layer for example a screed layer, can also be applied to the base 1 directly on a base 1 formed on the concrete, onto which the frame 2 which then delimited Load distribution layer 3 as well as the cover plate 4 or possibly also several of these modular units are applied.
  • a method for applying the above-described cover to the substrate comprises producing at least one frame 2 from interconnected sections 20, 21, 22 of a steel profile, applying and connecting the at least one frame 2 to the substrate 1, introducing a curable load distribution layer 3 into one filling space 200 delimited by the at least one frame 2 above the substrate 1 and application of at least one cover plate 4 welded to the frame 2 at the edge of the frame 2 either before or after the load distribution layer 3 has been introduced, the at least one cover plate 4 facing the load distribution layer 3 Underside 40 is provided with protruding reinforcing bolts 42 which extend into the load distribution layer 3.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Claims (9)

  1. Couverture d'un support (1), comprenant un cadre (2) placé sur le support (1) et relié avec celui-ci constitué de segments (20, 21, 22) reliés les uns aux autres d'un profilé en acier, dans laquelle le cadre (2) entoure un espace de remplissage (200) au-dessus du support (1), qui est rempli avec une couche de répartition de charge durcie (3) et sur la couche de répartition de charge (3) est appliquée au moins une tôle de recouvrement (4) recouvrant complètement la couche de répartition de charge (3) et soudée au cadre (2) au niveau des bords, caractérisée en ce que la tôle de recouvrement est dotée sur son côté inférieur (40) tourné vers la couche de répartition de charge (3) de boulons d'armature (42) proéminents, s'étendant dans la couche de répartition de charge (3).
  2. Couverture selon la revendication 1, caractérisée en ce que la couche de répartition de charge (3) est formée d'une masse de scellement en basalte armée avec des fibres d'acier inoxydable.
  3. Couverture selon la revendication 1 ou 2, caractérisée en ce que le profilé en acier inoxydable du cadre (2) est constitué comme un profilé creux avec au moins une chambre creuse (23, 24) et les chambres creuses (23, 24) des segments (20, 21, 22) communiquent entre elles et le cadre (2) présente au moins une tubulure de raccord de gaz (25) pour l'introduction d'un courant de gaz dans les chambre creuses (23, 24).
  4. Couverture selon l'une quelconque des revendications 1 à 3, caractérisée en ce que plusieurs cadres (2) sont joints les uns aux autres à la manière d'un module respectivement avec une couche de répartition de charge remplie (3) et une tôle de recouvrement (4), dans laquelle chaque cadre (2) présente le long d'un côté longitudinal et d'un côté transversal, un profilé de cadre de largeur supérieure et sur les côtés respectivement opposés, un profilé de cadre de largeur inférieure, au-dessus duquel la tôle de recouvrement dépasse au niveau des bords et des tôles de recouvrement (4) limitrophes sont scellées de façon étanche les unes aux autres.
  5. Couverture selon l'une quelconque des revendications 1 à 4, caractérisée en ce que, pour la fixation du cadre (2) avec le support (1), des vis en acier inoxydable (5) voisines du cadre (2) sont insérées dans le support (1) et sont soudées avec le cadre (2).
  6. Couverture selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la tôle de recouvrement présente une épaisseur de 1 à 4 mm.
  7. Couverture selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la tôle de recouvrement (4) est constituée sur le côté supérieur (41) détourné de la couche de répartition de charge (3), de boulons d'armature proéminents (43) et une masse de couche porteuse (6) est appliquée sur le côté supérieur (41) de la tôle de recouvrement (4), dans laquelle les boulons d'armature (43) sont englobés.
  8. Couverture selon la revendication 7, caractérisée en ce que la masse de couche porteuse (6) est formée à base d'un matériau de béton.
  9. Couverture selon la revendication 7 ou 8, caractérisée en ce que sur la masse de couche porteuse (6) est appliquée une couche couvrante (7).
EP16201653.9A 2015-12-02 2016-12-01 Couverture d'un support Active EP3176330B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015106559.0U DE202015106559U1 (de) 2015-12-02 2015-12-02 Abdeckung eines Untergrundes

Publications (2)

Publication Number Publication Date
EP3176330A1 EP3176330A1 (fr) 2017-06-07
EP3176330B1 true EP3176330B1 (fr) 2020-01-29

Family

ID=55274362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16201653.9A Active EP3176330B1 (fr) 2015-12-02 2016-12-01 Couverture d'un support

Country Status (2)

Country Link
EP (1) EP3176330B1 (fr)
DE (1) DE202015106559U1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005014937U1 (de) 2005-09-21 2005-11-24 Becker, Philipp Verkleidungselement für Bauwerke
DE202009010048U1 (de) 2009-07-23 2009-12-17 Kma Umwelttechnik Gmbh Bodenseitige Abdichtung für Ingenieurbauten
DE202014102114U1 (de) * 2014-05-06 2014-07-17 Philipp Becker Abdeckung eines Untergrundes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE202015106559U1 (de) 2016-01-14
EP3176330A1 (fr) 2017-06-07

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