EP0622496B1 - Verfahren zur Herstellung eines Mannloches - Google Patents

Verfahren zur Herstellung eines Mannloches Download PDF

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Publication number
EP0622496B1
EP0622496B1 EP19940400896 EP94400896A EP0622496B1 EP 0622496 B1 EP0622496 B1 EP 0622496B1 EP 19940400896 EP19940400896 EP 19940400896 EP 94400896 A EP94400896 A EP 94400896A EP 0622496 B1 EP0622496 B1 EP 0622496B1
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EP
European Patent Office
Prior art keywords
manufacture
culvert
axis
central element
peripheral
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
EP19940400896
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English (en)
French (fr)
Other versions
EP0622496A1 (de
Inventor
Guy Charles Louis Houles
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.)
SIMAT
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SIMAT
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Publication date
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • 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
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor

Definitions

  • the subject of the present invention is a method for manufacturing a concrete ditch, or concrete manhole bottom, arranged to connect at least two drain pipes, each of which axis is substantially horizontal.
  • Cunettes are commonly used in sites to ensure the connection between at least two elements, generally tubular, of a flow network of fluid.
  • the network can be connected to the sewer network; the fluid can be sewage or any other liquid possibly polluting.
  • a cunette allows the visit and maintenance of the network by vision from above, and has lateral circular holes to receive network pipes.
  • Most gutters are often made of concrete or similar.
  • the connection between the pipes, and of course between each pipe and each cunette is watertight; likewise, the different joints between the viewing elements and the can be waterproof to avoid pollution of groundwater.
  • the depth of the gaze must be adapted to the relative depth of the network in relation to to the water table.
  • the pipes, or nozzles have diameters up to 300 mm and more, and there can be several pipes of different diameters arriving and departing from the same cunette.
  • the object of the present invention is to provide a cunette whose manufacturing process is such that can receive pipes of different diameters with varying angles and levels of arrival and departure that it is adapted to demand according to the site and the network slope.
  • the proposed cunette is modular in design, drilling the side holes of the central element is performed on demand in accordance at the desired angle and then we have the elements peripherals facing these orifices so that, on the construction site, the drain pipes always arrive perpendicular to the wall of the cunette which allows on the one hand to ensure a good seal between the pipe and the wall of the cunette on the other hand to avoid the presence of angled connecting piece.
  • the drilling step of the central element with axis vertical is integrated in the molding step, with insertion a reservation in the veil of the vertical wall for the side holes.
  • This technique is particularly adapted when we know in advance what will be angles formed between them by the pipes.
  • the step of assembling the elements peripherals on the central element is carried out by bonding of each peripheral element to the central element, alternatively, mechanical fixing can also be provided.
  • the cunette has a height variable between 300 and 2,500 mm. So the height variable of the cunette, adapted to the site, allows to have the joint between the cunette and the upper element of preferably above the level of the water table.
  • each peripheral element with a horizontal axis can be adapted to the diameter of the pipe connected to it, even, the side openings are located at different heights which each correspond to the height of the axis of the drain hose to be connected; for this connection we can provide a male or female connector which can advantageously have a gasket.
  • the bottom of the cunette is designed to reduce pressure losses and therefore to favor the flow of fluids.
  • the material used to make this layout can be adapted to the chemical aggressiveness of the fluid (aluminous concrete %) or erosion caused by flow slope.
  • FIG 1 an element central 50 and two peripheral elements 60, 70 in sight exploded and ready to be assembled.
  • the central element 50 is a hollow cylinder with vertical axis and closed downwards, it is here provided with a cover 90 which is of course removable ; the vertical wall of the central element has two orifices 51, 52 which are arranged coaxial to future drain pipes whose axes E, S are shown; in Figure 1 only the orifice 51 is really visible.
  • the two peripheral elements 60, 70 have essentially the shaped like a hollow cylinder opening on both sides between a planar face 61, 71 and a concave face 62, 72; each concave face 62, 72 has a curvature which matches the external face of the hollow cylinder of the central element 50 with a vertical axis.
  • the peripheral elements 60, 70 are represented with a generally parallelepiped exterior shape but this is clearly not an obligation and their outer surface could just as well be in the form of a cylinder preferably coaxial with the axis of the drove.
  • Figure 2 shows the same elements as Figure 1, the same references have been kept, only the viewing angle is changed so that you can see better, on this figure 2, the concave surface 62 of the peripheral element 60 and also the orifice 52 of the central element 50.
  • the axes E and S are substantially coaxial but this is obviously not an obligation since the holes 51, 52 are made on demand.
  • Figure 3 is shown an assembled cunette 1 whose axes E and S form an angle A at which can be any, that is to say determined on request.
  • the assembly of the peripheral elements 60, 70 on the element central opposite each drilling is carried out by gluing or mechanical fixing; for example not limiting, the peripheral element 70 is shown with a male connector 73 in the direction of the S axis while the peripheral element 60 is shown with a fitting female 63 towards the axis E.
  • FIG 4 a cunette 1 consisting of a central element 50 and two peripheral elements 60, 70 respectively connected to a nozzle 2 along axis E and to a nozzle 3 along axis S, axes E and S forming, in accordance with the invention, any angle.
  • a removable cover 90 On the cunette is shown a removable cover 90, it is clear that depending on the level of the water table, and / or the depth of the network in relation to the surface from the ground, we can plan to have it above the cunette 1 and in particular above its central element 50, one or cylindrical sleeves of the same diameter as the element central 50 opening on both sides and stacked on top of each other the others, the cover 90 then being placed on the last of them.
  • connection devices male and female with seal the cunettes being drilled on demand, it is clear that the level of E and S axes is not necessarily the same which allows to obtain a variable angle monobloc connection box and adapted to each site.
  • the bottom (55) of the cunette (50) can be arranged to facilitate the flow fluids avoiding deposits.
  • the cunettes usual have a diameter D of the order of 1 meter; the process of the invention is particularly effective in case the drain pipes have a diameter d ⁇ 0.4 D, i.e. a diameter of at least 400 mm; indeed, it is in this case that the bearing face of known joints is not flat, hence a tendency to flee, while the bearing face 61, 71, thanks to the invention is planar; this result is obtained for a minimum cost due to the modularity of the elements.
  • the assembly produced allows to obtain a waterproof monobloc manhole of variable height and with variable angle easily integrated into a network waterproof.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Claims (9)

  1. Verfahren zur Herstellung eines Mannloches aus Beton oder eines Schachtes aus Beton, das/der vorgesehen ist, um zumindest zwei Abflussrohre zu verbinden, deren Achsen im wesentlichen horizontal verlaufen, welches folgende verfahrensschritte umfasst:
    Betongiessen eines einstückigen Zentralelementes (50) mit vertikaler Achse, welches im wesentlichen die Form eines hohlen und nach unten geschlossenen Zylinders aufweist,
    Betongiessen von zumindest zwei peripheren Elementen (60, 70) mit horizontaler Achse,
    Durchbrechen der vertikalen Wandung des Zentralelmentes, um zumindest zwei seitliche Öffnungen (S1, 52) auszuformen, deren Achsen horizontal verlaufen und zwischen sich einen Winkel (A) ausbilden, welcher entsprechend den Abflussrohren gewählt ist, wobei jeder Durchbruch jeweils dazu bestimmt ist, mit einem der Abflussrohre koaxial zu verlaufen,
    Zusammensetzen des Mannloches,
    dadurch gekennzeichnet,
    dass jedes der peripheren Elemente eine ebene Fläche und eine konkave Fläche (62, 72) aufweist, deren Krümmung sich der Aussenfläche des hohlen Zylinders des zentralen Elementes mit der vertikalen Achse anpasst, und dass jedes einen zylindrischen Durchbruch aufweist, der auf beiden Seiten ausmündet,
    dass der Zusammenbau des Mannloches so geschieht, indem jedes periphere Element, jeweils an jeden Durchbruch des zentralen Elementes aussen angesetzt wird.
  2. Verfahren zur Herstellung eines Mannloches gemäss dem Anspruch 1, dadurch gekennzeichnet, dass der Verfahrenschritt des Schaffens eines Durchbruches im zentralen Element (50) mit vertikaler Achse in dem Verfahrensschritt des Giessens durch Einlegung eines Ersatzelementes in der Wand des senkrechten Mantels für die seitlichen Öffnungen integriert ist.
  3. Verfahren zur Herstellung eines Mannloches gemäss dem Anspruch 1 oder 2, dadurch gekennzeichnet, dass der verfahrensschritt des Zusammensetzens durch Klebung jeden peripheren Elementes an das zentrale Element bewerkstelligt wird.
  4. Verfahren zur Herstellung eines Mannloches gemäss den Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass der Verfahrensschritt des Zusammensetzens durch mechanische Festlegung von jedem peripheren Element an dem zentralen Element bewerkstelligt wird.
  5. Verfahren zur Herstellung eines Mannloches gemäss einem der vorhergehenden Ansprüche, dadurch gekennzeichent, dass die seitlichen Öffnungen (51, 52) in zwei unterschiedlichen Höhen liegen, von denen jede der Höhe der Achse der zu verbindenden Abflussrohre entspricht.
  6. Verfahren zur Herstellung eines Mannloches gemäss einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die inneren Durchmesser jeden peripheren Elementes mit horizontaler Achse unterschiedlich sind.
  7. Verfahren zur Herstellung eines Mannloches gemäss einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass auf den ebenen Flächen (1) von jedem peripheren Element ein Teil einer Steckverbindung vorgesehen ist.
  8. Verfahren zur Herstellung eines Mannloches gemäss dem Anspruch 7, dadurch gekennzeichnet, dass das Teil der Steckverbindung mit einer Abdichtung versehen ist.
  9. Verfahren zur Herstellung eines Mannloches gemäss einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Mannloch eine veränderbare Höhe zwischen 300 mm und 2.500 mm aufweist.
EP19940400896 1993-04-26 1994-04-26 Verfahren zur Herstellung eines Mannloches Expired - Lifetime EP0622496B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9304889A FR2704576B1 (fr) 1993-04-26 1993-04-26 Procede de fabrication d'une cunette.
FR9304889 1993-04-26

Publications (2)

Publication Number Publication Date
EP0622496A1 EP0622496A1 (de) 1994-11-02
EP0622496B1 true EP0622496B1 (de) 1998-04-22

Family

ID=9446436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940400896 Expired - Lifetime EP0622496B1 (de) 1993-04-26 1994-04-26 Verfahren zur Herstellung eines Mannloches

Country Status (4)

Country Link
EP (1) EP0622496B1 (de)
DE (1) DE69409703T2 (de)
ES (1) ES2118339T3 (de)
FR (1) FR2704576B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733526B1 (fr) * 1995-04-27 1997-07-18 Simat Fr Procede de fabrication d'une cunette
AT405725B (de) * 1996-11-29 1999-11-25 Julius Posch Ges M B H Ing Form für das herstellen von schachtunterteilen
DE10101613C2 (de) * 2001-01-16 2003-04-03 Bue Sch Armaturen Gmbh Adapterelement zur Verbindung einer Schibevorrichtung mit einer Einlauföffnung eines Sammelbeckens und Fertigsammelbecken
FR3045774B1 (fr) * 2015-12-22 2018-02-16 Norham Bride d'adaptation multi-regards
JP2024523791A (ja) 2021-05-26 2024-07-02 スリーエム イノベイティブ プロパティズ カンパニー 導電性多孔質媒体を含むテープ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE772605R (fr) * 1971-09-15 1972-01-17 Gosselin Claudy Prefabrication de la partie inferieure d'une chambre de
US4089139A (en) * 1976-08-24 1978-05-16 Armco Steel Corporation Segmented cylindrical reinforced plastic manhole structure
FR2480401A1 (fr) * 1980-04-15 1981-10-16 Syndicat Nal Prof Entre Trav D Boite de jonction pour installation de drainage agricole ou d'assainissement

Also Published As

Publication number Publication date
FR2704576B1 (fr) 1995-06-23
DE69409703D1 (de) 1998-05-28
DE69409703T2 (de) 1998-12-24
ES2118339T3 (es) 1998-09-16
FR2704576A1 (fr) 1994-11-04
EP0622496A1 (de) 1994-11-02

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