EP0161133B1 - Modulare entwickelbare Struktur für eine Scheidewand - Google Patents

Modulare entwickelbare Struktur für eine Scheidewand Download PDF

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Publication number
EP0161133B1
EP0161133B1 EP19850400540 EP85400540A EP0161133B1 EP 0161133 B1 EP0161133 B1 EP 0161133B1 EP 19850400540 EP19850400540 EP 19850400540 EP 85400540 A EP85400540 A EP 85400540A EP 0161133 B1 EP0161133 B1 EP 0161133B1
Authority
EP
European Patent Office
Prior art keywords
panels
wings
structure according
turned
face
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
Application number
EP19850400540
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English (en)
French (fr)
Other versions
EP0161133A1 (de
Inventor
Michel Jeanjacques
Francis Cornu
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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Publication of EP0161133A1 publication Critical patent/EP0161133A1/de
Application granted granted Critical
Publication of EP0161133B1 publication Critical patent/EP0161133B1/de
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels

Definitions

  • the invention relates to a scalable structure which constitutes a sealed enclosure. It applies in particular to the creation of a nuclear equipment dismantling workshop. It can also be used for storage, or in a non-hostile environment.
  • the dismantling of nuclear equipment consists of dismantling or cutting pipes and equipment contaminated with radionuclides. In order to avoid spreading this contamination, these operations are carried out in a confined enclosure called an intervention workshop, built around the equipment to be dismantled.
  • a confinement barrier is created during intervention operations in a contaminated environment by means of a flexible wall supported by metal masts or a metal frame consisting of an assembly of tubes or even a pneumatic frame of so as to make a sort of tent whose walls are glued and which isolates the equipment to be dismantled.
  • the main drawback is that in the event of a fire, the vinyl walls are destroyed and the containment function is no longer ensured.
  • the metal or pneumatic masts and frames present inside the intervention workshop form recesses which are places of retention of contamination and hinder decontamination.
  • the known enclosures do not allow one or more elements to be interchanged during assembly and after decontamination of the workshop, or even during operation, to modify the initial architecture.
  • the known intervention workshops do not include biological protection.
  • a square or rectangular panel according to the preamble of claim 1 having a periphery shaped so as to allow the assembly of several similar panels, so as to form various structures .
  • Each side of the panel has a rectangular flange perpendicular to the plane of the panel.
  • the edge of the panel has holes that allow their fixing.
  • Triangular or longitudinal or U-shaped connecting elements are provided.
  • the border of the panel is interrupted. This panel is therefore not likely to constitute a confinement enclosure.
  • the problem of sealing between the panels has not been considered.
  • FR-A-2 201 375 (NURMI-NEN)
  • NURMI-NEN modular panel making it possible to constitute a partition. It consists of a sheet of steel island covered with a layer of plastic material, the longitudinal edges of which are folded twice at 90 ° in order to constitute a rim with a U-shaped profile. The panels are assembled by heating the covering of material. plastic to melt it.
  • the edge profile of these panels is not continuous so that they are not suitable for producing a sealed containment enclosure.
  • the connection between two panels is not removable, so that they do not allow for a scalable structure.
  • the object of the present invention is precisely to. remedy these drawbacks of the prior art by creating a modular modular structure of containment composed of panels.
  • the panels must be removable so that a panel of a given type can be replaced by a panel of another type, or the dimensions of the structure can be varied at will by adding additional panels or by removing it.
  • the structure must make it possible to constitute a perfectly sealed enclosure, in particular for the application to the creation of a containment barrier for nuclear equipment to be dismantled.
  • each panel can be easily dismantled and replaced by a panel of another type.
  • a seal is ensured between the panels thanks to the presence of said first wings and to the presence of a flexible plastic and non-flammable seal. Sealing remains assured even in the event of fire.
  • some of said panels have a central opening, a plexiglass or metal plate being fixed to the opening by bolting on the face of the panel 4, a seal being interposed between the face and said closure plate, this plate supporting equipment such as a viewing window, glove rings, fluid passages, a remote manipulator, a container docking flange.
  • the stiffening elements to which said second wings are bolted are costed by posts, beams, hexagonal plates or T-profiles to improve the rigidity of said structure.
  • profiles in 1 are fixed vertically on the second wings of the folded edges and a biological protection constituted by a stack of bricks, plates or boxes, is placed parallel to the panels and between the profiles in 1.
  • FIG. 1 represents a perspective view of an intervention workshop designated by the general reference 1. It consists of assembled panels which constitute both the vertical walls and the horizontal ceiling 6 of the workshop. These panels are standard panels such as panel 2 or frame panels such as panel 4 which has a central opening 4a which makes it possible to attach plexiglass or metal plates to equipment such as a viewing window, rounds of glove 5, passages necessary for connecting the ventilation 7, utility passages, the docking flange of a container, for example such as that described in document FR-A-2 418 527.
  • the edges of the panels are folded twice at right angles and welded at the corners.
  • the structure of the panels is reinforced by a diamond point folding 10 made with the sheet bending machine.
  • the wings 8a and 8b of the U-shaped profile have fixing holes referenced respectively 9a and 9b.
  • the holes 9b of the border 8b allow the panels to be fixed together so that their surfaces located inside the enclosure are at the same level. This facilitates decontamination operations during and at the end of operation, since the interior faces of the panels are as smooth as possible without grainy coating or sharp corners.
  • the wings 8a of the panels have holes 11 which allow their possible fixing to an external stiffening system (see FIG. 4).
  • the holes in the border 8b also allow the panels to be fixed to the floor, to the vertical walls and to the ceiling. It is made up of connecting elements and corner pieces.
  • the edge of the panels also allows the installation of seals.
  • the panels are rectangular or square.
  • the standard panel measures 0.80 m x 1.60 m but there are also panels of 0.40 m x 1.60 m, 0.80 m x 0.80 m and 0.40 x 0.80 m.
  • connection of two panels mounted perpendicularly is made by means of corner pieces ( Figures 8 and 10).
  • the corner piece is bolted to each panel. It consists of a sheet folded in 1. Its length is a multiple or a submultiple of the length of a module.
  • the panels can also be connected by a corner piece with four or five faces in folded and welded sheet metal ( Figures 5 to 8 and 10).
  • the frame panels make it possible to adapt a large number of equipment.
  • a waterproof single leaf door is mounted on an adaptable frame in place of two or more standard panels.
  • the assembly is called a door panel.
  • One of these doors is equipped with an anti-panic opening system, i.e. a door with a large handle and opening from the inside to the outside.
  • the doors or the hatches for the equipment are single-leaf sealed. They are mounted in 1.6 x 2.4 m frames.
  • the waste from the dismantling workshop is evacuated by an airlock which allows watertight docking by plating a 200-liter petroleum drum on the waste evacuation system or by placing it on a flange panel. docking described in patent FR-A-2 418 527.
  • the gloves fitted to the side faces of the airlock allow the barrel to be filled, the lid to be crimped and to help position the barrel, install or remove the cover.
  • the ventilation keeps the airlock in dynamic tightness.
  • the maneuvering box of the cover acts as a transfer duct for the outside air to the intervention workshop to avoid contamination of the mechanics of the waste evacuation system.
  • the airlock can also be equipped with a bag round of 1000 mm in diameter which allows the exit of large-scale waste under welded vinyl.
  • the modular panels are sealed together using seals. These joints can be plastic joints with silicones such as Gebsicon ® or Robson O translucent.
  • Said first wings 8b of the panels are assembled together in a leaktight manner by a flexible, non-flammable plastic silicone seal.
  • Each of said first wings 8b is coated with each of the panels to be assembled with silicone.
  • These wings are assembled by bolting. We remove the excess gasket that leaked when tightening the two panels. A certain amount of seal is added along the edge of the two panels located inside the containment, then a protective adhesive strip is placed over it. After assembly of the workshop, an adhesive strip is stuck on the corners of the modular cell. This strip facilitates the decontamination of workshops by smear or spraying with dilute nitric acid or conventional detergents.
  • connection elements 9 constituted by metal belts make it possible to make up for the faults of civil engineering, that is to say floors, ceilings and walls. The installation of these elements must be done before mounting the panels. They consist of a sheet of stainless steel folded twice at right angles. One of the branches is placed on the ground. The other branch supports the panel ( Figure 4). Their length is a submultiple or a multiple of the length of a standard panel.
  • the panels can, if necessary, be maintained by a frame.
  • This frame is then built outside the workshop and can be adapted to its dimensions. It will be constituted for example by profiles or lattice girders.
  • the connecting elements at right angles to the sectional panels shown in FIG. 5 allow the dimensions of the workshop to be extended.
  • One element comprises folded U-shaped edges, the wings 18a, 18b of which are provided with fixing holes 19b, allowing them to be fixed to the panels and possibly holes 19a allowing their fixing to an external stiffening system.
  • the posts or the beams are fixed on the civil engineering, like the belts, by means of dowels and bolted on the folded side of the panels. They optionally serve to fix the biological protections 20 shown in FIG. 9.
  • An intervention workshop carried out using modular panels of the invention has many advantages.
  • the self-supporting structure of the workshop and the modularity of all of its metal panels and accessories allow one or more elements to be exchanged with one or more others both during assembly and during operation and after decontamination of the workshop. to modify its initial architecture.
  • An important advantage of the invention resides in the fact that the design of the panels with structure turned towards the exterior makes it possible to have an internal surface free of any structure capable of becoming a place of retention and discomfort for decontamination.
  • the dismantling workshop is made of stainless steel to avoid corrosion of the panels, but it can be made of any other metal or material, in particular self-extinguishing composite materials.
  • FIG. 6 There are shown in Figures 6 and 7 two embodiments of a connecting element for connecting three walls in a scalable structure according to the invention.
  • the element 40 (FIG. 6) has four walls, namely two complete square walls and two other walls constituted by squares of which a corner has been cut. Each of these faces is pierced with a hole which allows its fixing by bolting to the second wings 8a of the panels.
  • the connecting element 42 (FIG. 7) consists of a cube from which one of the faces has been removed. It thus has five square walls each having a hole which allows it to be bolted to the second wings 8a of the panels.
  • Figure 5 a partial view of a structure according to the invention illustrating the connection of two walls formed by perpendicular panels.
  • connection elements There is a connecting element 44. It is fixed by bolting its first wings 18b to panels, 2 the representation of which has only been started in FIG. 5. The corner shown in FIG. 5 is therefore a re-entrant corner.
  • the folded sides of the edge of the panels allow beams, posts or standard profiles to be fixed suitable for biological protection, namely seasoned lead bricks, borated concrete bricks, more or less thick concrete slabs, boxes filled with lead shot, etc.
  • Protective means can also be used neutrophages, such as paraffin bricks or boxes filled with water, in the event of a risk of criticality excursion.
  • FIG 9 There is shown in Figure 9, the means which allow the attachment of a biological protection wall to the outer wall of a structure according to the invention.
  • These means consist of profiles 52 in I. Two of the wings of these profiles are used to fix them by bolting to the first wings 8b of the panels 2 forming a wall of the structure, as shown diagrammatically by the dashed lines 54.
  • the wings of the profiles 52 serve as guides and for holding the biological protection wall 20.
  • This wall is formed by a stack of lead bricks. It could also consist of plates or boxes. It is placed parallel to the panels 2 or 4, and disposed between the sections 52.
  • Profiles such as profiles 52 could also be used to improve the rigidity of the structure without a biological protection wall being arranged parallel to the panels. Instead of the profiles, one could also use posts or beams to improve the rigidity of the structure, the latter being bolted to the second wings 8a of the panels.
  • FIG. 10 shows a bottom view of the junction between three panels 2.
  • the exterior and interior of the structure have been designated by the references 48 and 50 respectively.
  • angles 46 are located outside the structure.
  • connection element 46 There is a first type of connection element consisting of a simple angle iron 46 having two faces at right angles pierced with holes. This angle 46 is fixed by bolting to a first wing 8b of the panels 2. It is noted that the first and second wings of the panels 2, as well as the first and second wings of the connecting element 46, are located towards the outside of the enclosure. The exterior 48 of this enclosure has been designated by the reference 48 and the interior located by the reference 50. The corner shown in Figure 8 is therefore a re-entrant corner. It is therefore noted that the angle iron 46 is located inside the enclosure. Finally, there is a connection element 40, as illustrated in FIG. 6, at the junction between the connection element 44 and the panel 2 fixed to the angle iron 46. We could also have used a connection element 42 of Figure 7.

Claims (8)

1. Geschlossene Raumkonstruktion in modularer Bauweise aus durch Verschraubung miteinander verbundenen, recht, eckigen oder quadratischen Wandelementen (2, 4), welche jeweils eine Wandfläche und entlang dem Umfang der Wandfläche einen durch einen im rechten Winkel zur Wandfläche des Wandelements abgewinkelten ersten Steg (8b) gebildeten abgewinkelten Rand aufweisen, und Verbindungselementen (40, 42, 44) für den Zusammenbau von jeweils zwei oder drei Wandelementen (2, 4), dadurch gekennzeichnet,
daß der abgewinkelte Rand weiterhin einen zweiten Steg (8a) aufweist, welcher im rechten Winkel zum ersten Steg (8b) abgewinkelt ist, so daß der erste und der zweite Steg (8a, 8b) ein U-förmiges Randprofil für den Zusammenbau der Wandelemente bilden, daß zwischen zwei, drei oder vier Wandelementen Versteifungselemente vorhanden sind,
daß das U-förmige Randprofil der Wandelemente (2, 4) ohne Unterbrechung entlang dem Umfang eines Wandelements verläuft, daß die Wandelemente unter Verwendung der ersten Stege (8b) zusammengebaut und mit den Verbindungselementen (40,42,44) verbunden sind, so daß die ersten und zweiten Stege (8b,8a) zur Außenseite der Konstruktion gewandt sind und die Wandflächen der Wandelemente zur Bildung vollkommen ebener Innenwandflächen in einer Ebene liegen,
daß die Versteifungselemente unter Verwendung der zweiten Stege (8a) an den Wandelementen angebracht sind, und daß zwischen die ersten Stege (8b) jeweils eine Dichtung eingesetzt ist, wobei die Dichtung lösbar gehalten ist, um die Demontierbarkeit der Wandelemente (2, 4) zu erhalten.
2. Raumkonstruktion nach Anspruch 1, dadurch gekennzeichnet, daß gewisse, als Rahmenelemente bezeichnete Wandelemente eine Mittelöffnung auf weisen, daß eine Plexiglasscheibe oder eine Metallplatte die Öffnung überdeckend durch Verschraubung auf der Wandfläche des Wandelements (4) befestigt ist, daß zwischen der Wandfläche und der Deckscheibe oder -platte eine Dichtung angeordnet ist und daß die Scheibe oder Platte eine Hilfseinrichtung trägt, z.B. ein Sichtfenster, Durchgriffhandschuhe, Fluiddurchlässe, ein Fernbedienungsgerät, einen Behälter-Anschlußflansch od. dergl.
3. Raumkonstruktion nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die Verbindungselemente Winkelprofilelemente zum Verbinden zweier Wandelemente im rechten Winkel an der Außenseite der Raumkonstruktion, Winkelprofilelemente mit einwärts abgewinkeltem U-förmigem Rand zum Verbinden zweier Wandelemente im rechten Winkel an der Innenseite der Raumkonstruktion, Eckelemente in Form von vier oder fünfseitigen, offenen Kastenelementen zum Verbinden von drei Wandelementen im rechten Winkel und U-Profilelemente zum Verbessern der Anpassung der Raumkonstruktion an ein vorhandenes Bauwerk umfassen.
4. Raumkonstruktion nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die mit den zweiten Stegen (8a) des Randprofils der Wandelemente verschraubten Versteifungselemente Pfosten und Träger zum Verbessern der Steifigkeit der Raumkonstruktion,
Plattenelemente von sechseckiger Form (Dreieck mit abgeschnittenen Ecken) oder achteckiger Form (Qadrat oder Rechteck mit abgeschnittenen Ecken) zum Verbinden von drei oder vier Wandelementen in einer Ebene und
T-förmige Winkelprofile für die starre Halterung der die Raumkonstruktion darstellenden Wandelemente relativ zueinander umfassen.
5. Raumkonstruktion nach einem derAnsprüche 1 bis 4, dadurch gekennzeichnet, daß an den zweiten Stegen (8a) der abgewinkelten Randprofile einiger der Wandelemente I-Profile senkrecht befestigt sind, und daß ein biologischer Schutz (20) in Form eines Stapels von Blocksteinen, Platten oder Caissons parallel zu den Wandelementen (2, 4) angeordnet und von den I-Profilen eingerahmt ist.
6. Raumkonstruktion nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die zwischen den Wandelementen (2,4) sowie zwischen diesen und den Verbindungselementen angeordneten Dichtungen schmiegsame, plastische und nicht entflammbare Silikondichtungen sind, so daß die Dichtigkeit im Brandfall gewährleistet bleibt.
7. Raumkonstruktion nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß einige, als Türelemente bezeichnete Wandelemente eine Mittelöffnung haben und mit Türangeln versehen sind, an denen eine dicht schließende Tür pendelnd aufgehängt ist, z.B.
eine innere Schleusentür,
eine äußere Schleusentür,
eine Falltür oder
eine Notausgangstür mit einer Vorrichtung zum Öffnen von Innen nach Außen mittels eines Türgriffs von großen Abmessungen.
8. Raumkonstruktion nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die verschiedenen Elemente der Konstruktion aus Metall gefertigt sind, insbesondere aus rostfreiem Stahl oder irgend einem anderen selbstlöschenden Werkstoff, z.B. einem Verbundwerkstoff.
EP19850400540 1984-03-22 1985-03-21 Modulare entwickelbare Struktur für eine Scheidewand Expired EP0161133B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8404458 1984-03-22
FR8404458A FR2561692B1 (fr) 1984-03-22 1984-03-22 Panneau modulaire et atelier de demantelement constitue par assemblage de ces panneaux

Publications (2)

Publication Number Publication Date
EP0161133A1 EP0161133A1 (de) 1985-11-13
EP0161133B1 true EP0161133B1 (de) 1988-12-07

Family

ID=9302341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850400540 Expired EP0161133B1 (de) 1984-03-22 1985-03-21 Modulare entwickelbare Struktur für eine Scheidewand

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EP (1) EP0161133B1 (de)
DE (1) DE3566694D1 (de)
FR (1) FR2561692B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668789A1 (fr) * 1990-11-05 1992-05-07 Accm Sarl Systeme de panneaux modulable permettant le confinement de travaux et l'isolement des hommes en milieux nocifs.
FR2724192B1 (fr) 1994-09-07 1996-10-25 Cogema Ensemble de confinement modulaire delimitant un volume clos evolutif
GB2310224A (en) * 1996-02-15 1997-08-20 Shapland & Petter Ltd Partition
DE19712619C1 (de) * 1997-03-26 1999-01-07 Thomas Robert Metall Elektro Kammer- oder Tunneltrockner sowie Vorwärmer für keramische Formlinge
FI4046U1 (fi) * 1998-05-15 1999-07-09 Wsab Puutavarakuivaamot Oy Rakennuselementti
FR2963943B1 (fr) 2010-08-22 2013-05-31 Sperian Prot Clothing Sas de confinement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB791706A (en) * 1954-10-23 1958-03-12 Gabriel Renard Panels for use as constructional units and the structures formed therefrom
FR2109017B3 (de) * 1970-10-30 1977-01-21 Air Ind
AT320237B (de) * 1971-06-04 1975-01-27 Anton H Dinkel Bausystem, insbesondere zur Errichtung von Gebäuden und Fahrzeugaufbauten

Also Published As

Publication number Publication date
DE3566694D1 (en) 1989-01-12
FR2561692B1 (fr) 1986-11-14
EP0161133A1 (de) 1985-11-13
FR2561692A1 (fr) 1985-09-27

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