EP0622496A1 - Verfahren zur Herstellung eines Mannloches - Google Patents

Verfahren zur Herstellung eines Mannloches Download PDF

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Publication number
EP0622496A1
EP0622496A1 EP94400896A EP94400896A EP0622496A1 EP 0622496 A1 EP0622496 A1 EP 0622496A1 EP 94400896 A EP94400896 A EP 94400896A EP 94400896 A EP94400896 A EP 94400896A EP 0622496 A1 EP0622496 A1 EP 0622496A1
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EP
European Patent Office
Prior art keywords
manufacturing
axis
cunette
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.)
Granted
Application number
EP94400896A
Other languages
English (en)
French (fr)
Other versions
EP0622496B1 (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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Publication of EP0622496A1 publication Critical patent/EP0622496A1/de
Application granted granted Critical
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Anticipated expiration legal-status Critical
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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 of manufacturing a canopy, or manhole, arranged to connect at least two flow pipes, each axis of which is substantially horizontal.
  • Cunettes are commonly used in construction sites to ensure the connection between at least two elements, generally tubular, of a fluid flow network.
  • the network can be connected to the sewer network; the fluid can be waste water or any other possibly polluting liquid.
  • a sump, or manhole allows the visit and maintenance of the network by vision from above, and has lateral circular holes to receive the pipes of the network.
  • Most of the gutters are often made of concrete, but one can also provide, as for pipes, a manufacture in PVC, fiber cement, cast iron, sandstone or similar.
  • polluting liquid it is necessary that the connection between the pipes, and of course between each pipe and each gully, is tight; similarly, the various joints between the manholes and the drain must be watertight to avoid pollution of the water table.
  • the depth of the gaze must be adapted to the relative depth of the network in relation to the water table.
  • the pipes, or nozzles have diameters of up to 300 mm and more, and there may be several pipes of several diameters arriving and departing from the same cuneo.
  • these arrival and departure pipes are not necessarily coaxial and it is known to use molded cones with predetermined arrival and departure angles, for example at 90 °, which requires adaptations on site. and the use of connection elbows, which increases on the one hand the network pressure losses, on the other hand the number of connections to be made, hence a greater risk of leakage and accidental pollution.
  • the object of the present invention is to propose a cunette whose manufacturing process is such that it can receive pipes of different diameters with angles and variable arrival and departure levels which are adapted to the demand as a function of the site and the slope of the network.
  • the proposed cunette is of modular design, the drilling of the lateral orifices of the central element is carried out on demand in accordance with the desired angle and the peripheral elements are then placed facing each other. screw these holes so that, on the 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, d on the other hand to avoid the presence of a bent connecting piece.
  • This technique is particularly suitable when we know in advance what the angles between the pipes will be.
  • the step of assembling the peripheral elements on the central element is carried out by bonding each peripheral element to the central element, as a variant, mechanical fixing can also be provided.
  • the cunette has a variable height between 300 and 2,500 mm.
  • the variable height of the cunette adapted to the site, makes it possible to arrange the joint between the cunette and the upper element 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, likewise, the lateral orifices are located at different heights which each correspond to the height of the axis of the flow pipe to be connected; for this connection, a male or female connector can be provided which may advantageously include a seal.
  • the bottom of the cunette is arranged in order to reduce the pressure losses and therefore to favor the flow of fluids.
  • the material used to make this arrangement can be adapted to the chemical aggressiveness of the fluid (aluminous concrete, etc.) or to the erosion caused by the flow slope.
  • FIG 1 a central element 50 and two peripheral elements 60, 70 in exploded view and ready to be assembled.
  • the central element 50 is a hollow cylinder with a 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 with the future flow pipes whose axes E, S are shown; in Figure 1 only the orifice 51 is really visible.
  • the two peripheral elements 60, 70 essentially have the shape of a hollow cylinder opening on two sides between a flat 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 shown with a generally parallelepipedic external shape but this is clearly not an obligation and their external surface could just as easily be in the form of a cylinder preferably coaxial with the axis of the duct.
  • FIG. 2 represents the same elements as in FIG. 1, the same references have been kept, only the viewing angle is changed so that in this FIG. 2, the concave surface 62 of the peripheral element 60 is better seen. 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 which can be arbitrary, that is to say determined on request.
  • the assembly of the peripheral elements 60, 70 on the central element opposite each drilling is carried out by gluing or by mechanical fixing; by way of nonlimiting example, the peripheral element 70 is represented with a male connector 73 in the direction of the axis S while the peripheral element 60 is represented with a female connector 63 in the direction of 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 the axis E and to a nozzle 3 along the axis S, the axes E and S forming, in accordance with the invention, any angle.
  • the removable cover 90 shows a removable cover 90, it is clear that, depending on the level of the water table, and / or the depth of the network relative to the ground surface, provision can be made to place the cunette 1 and in particular above its central element 50, one or more cylindrical sleeves of the same diameter as the central element 50 opening on both sides and stacked on each other, the cover 90 then being placed on the last of between them.
  • connections of all these modular elements can be made with male and female connection devices provided with a gasket; the gutters being drilled on demand, it is clear that the level of the axes E and S is not necessarily the same, which makes it possible to obtain a monobloc connection gimbal with variable angle and adapted to each site.
  • the bottom (55) of the cunette (50) can be arranged to facilitate the flow of fluids avoiding deposits.
  • the usual cunettes have a diameter D of the order of 1 meter; the manufacturing method of the invention is particularly effective in the case where the drainage pipes have a diameter d ⁇ 0.4 D, that is to say a diameter of at least 400 mm; in fact, it is in this case that the bearing face of the known seals is not flat, hence a tendency to leak, while the bearing face 61, 71, thanks to the invention, is plane ; this result is obtained for a minimum cost due to the modularity of the elements.
  • the assembly produced makes it possible to obtain a sealed monobloc manhole of variable height and at variable angle which is easily integrated into a sealed network.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sewage (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
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
FR9304889 1993-04-26
FR9304889A FR2704576B1 (fr) 1993-04-26 1993-04-26 Procede de fabrication d'une cunette.

Publications (2)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740024A1 (de) * 1995-04-27 1996-10-30 SOCIETE INDUSTRIELLE DE MATERIAUX en abrégé S.I.M.A.T. Verfahren zur Herstellung eines Schachtunterteiles
AT405725B (de) * 1996-11-29 1999-11-25 Julius Posch Ges M B H Ing Form für das herstellen von schachtunterteilen
WO2002055796A1 (de) * 2001-01-16 2002-07-18 Bü-Sch Armaturen GmbH Mittel zur verbindung einer schiebervorrichtung mit einem sammelbecken
FR3045774A1 (fr) * 2015-12-22 2017-06-23 Norham Bride d'adaptation multi-regards

Citations (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
EP0038255A1 (de) * 1980-04-15 1981-10-21 Syndicat National Des Entreprises De Drainage Verbindungskammer für landwirtschaftliche Dränierungen oder Abwasserableitungen

Patent Citations (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
EP0038255A1 (de) * 1980-04-15 1981-10-21 Syndicat National Des Entreprises De Drainage Verbindungskammer für landwirtschaftliche Dränierungen oder Abwasserableitungen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740024A1 (de) * 1995-04-27 1996-10-30 SOCIETE INDUSTRIELLE DE MATERIAUX en abrégé S.I.M.A.T. Verfahren zur Herstellung eines Schachtunterteiles
FR2733526A1 (fr) * 1995-04-27 1996-10-31 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
WO2002055796A1 (de) * 2001-01-16 2002-07-18 Bü-Sch Armaturen GmbH Mittel zur verbindung einer schiebervorrichtung mit einem sammelbecken
FR3045774A1 (fr) * 2015-12-22 2017-06-23 Norham Bride d'adaptation multi-regards

Also Published As

Publication number Publication date
FR2704576A1 (fr) 1994-11-04
DE69409703T2 (de) 1998-12-24
ES2118339T3 (es) 1998-09-16
DE69409703D1 (de) 1998-05-28
EP0622496B1 (de) 1998-04-22
FR2704576B1 (fr) 1995-06-23

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