WO2018219732A1 - Partie de chambre d'inspection - Google Patents

Partie de chambre d'inspection Download PDF

Info

Publication number
WO2018219732A1
WO2018219732A1 PCT/EP2018/063484 EP2018063484W WO2018219732A1 WO 2018219732 A1 WO2018219732 A1 WO 2018219732A1 EP 2018063484 W EP2018063484 W EP 2018063484W WO 2018219732 A1 WO2018219732 A1 WO 2018219732A1
Authority
WO
WIPO (PCT)
Prior art keywords
inspection chamber
chamber part
part according
dome
cavity
Prior art date
Application number
PCT/EP2018/063484
Other languages
English (en)
Inventor
Günter Brümmer
Marco W.J. BESTEN
Hendrick Jan Haitjema
Alpay AYDEMIR
Original Assignee
Wavin B.V.
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 Wavin B.V. filed Critical Wavin B.V.
Priority to DK18725852.0T priority Critical patent/DK3631103T3/da
Priority to EP18725852.0A priority patent/EP3631103B1/fr
Priority to BR112019025235-5A priority patent/BR112019025235B1/pt
Priority to CN201880036320.9A priority patent/CN110691882B/zh
Priority to PL18725852.0T priority patent/PL3631103T3/pl
Priority to MX2019014333A priority patent/MX2019014333A/es
Publication of WO2018219732A1 publication Critical patent/WO2018219732A1/fr
Priority to CONC2019/0014587A priority patent/CO2019014587A2/es

Links

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
    • E03F5/024—Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material
    • 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
    • E03F5/027—The bottom made of prefabricated segments

Definitions

  • This disclosure relates to a part of an inspection chamber, to an inspection chamber, and to methods of producing these.
  • Inspection chambers are frequently placed in ground holding groundwater. Consequently, they are exposed to groundwater pressure over extensive periods of time. This exposure may eventually lead to situations wherein the functional properties of an inspection chamber are negatively affected. In general, there is a desire to increase the longevity of an inspection chamber.
  • the part comprises a cavity for receiving ground water and having a cavity shape.
  • the shape is not particularly limited. The point is that groundwater may flow in and out of the cavity.
  • the cavity is partially confined by a cavity wall for retaining ground water in the cavity.
  • the cavity wall is configured to resist the groundwater pressure.
  • the inspection chamber part further comprises a reinforcement member for providing additional stiffness for maintaining a shape of a circumference of at least a part of the cavity wall.
  • the shape of said circumference of at least a part of the cavity wall is maintained for a longer period of time. This increases the inspection chamber part's longevity.
  • the circumference may be the circumference of the entire cavity wall or it may be the circumference of a part thereof, for example, of a dome- shaped part of the cavity wall.
  • the reinforcement member is not a part of the cavity wall.
  • the reinforcement member may, however, also fully or partially be a part of the cavity wall itself.
  • the cavity's configuration to receive groundwater is to be understood as a configuration which is provided despite the presence of the reinforcement member.
  • groundwater may, hence, circulate between the cavity and outside of the inspection chamber part.
  • the reinforcement member does not block the groundwater passage in and out of the cavity.
  • a groundwater pressure inside of the cavity (when the inspection chamber part is placed in ground holding groundwater) filled with groundwater and outside of the part is therefore substantially the same.
  • the reinforcement member is therefore preferably not asymmetrically exposed to
  • the inspection chamber part is preferably a footing and/or a base part of an inspection chamber. When an inspection chamber is put in place for use, it is oriented such that it rests on the footing and/or base part (i.e., the inspection chamber part) .
  • the cavity is oriented during use of the inspection chamber part such that ground water that enters the cavity is in contact with the cavity wall such that the cavity wall prevents the ground water from rising any further.
  • the reinforcement member is preferably configured to increase stiffness of the cavity wall. However, the reinforcement may, alternatively or in addition thereto, be configured to increase the stiffness of any other section of the inspection chamber part such as a sidewall or a base part directly or indirectly connected to the cavity wall.
  • the cavity wall comprises at least one dome- shaped section.
  • the dome-shaped section is especially suited to resist groundwater pressure. Tension in the wall resulting from applied pressure is distributed particularly
  • the entire cavity wall may consist of one dome-shaped section.
  • the cavity wall and the reinforcement member are integrally formed.
  • the cavity wall and the reinforcement are continuously connected, i.e., they are made as one piece.
  • the efficiency in producing the inspection chamber part may thus be increased.
  • the inspection chamber part may also be integrally formed with any other part of an inspection chamber.
  • the entire inspection chamber comprising the part may, but need not, be formed as one piece.
  • the cavity wall comprises multiple dome-shaped sections.
  • the term "multiple" refers to two or more.
  • the cavity wall comprises a central dome-shaped section surrounded by a plurality of concave and/or dome- shaped sections.
  • This wall form is particularly advantageous as the surrounding concave and/or dome-shaped sections may increase the stiffness of the circumference of the central dome-shaped section.
  • this configuration improves upon a fragile connection area between a single dome-shaped section and a base part side wall which might exist if the cavity wall were constituted of a single dome- shaped section. Therefore, the durability, especially
  • the part further comprises a side wall, and at least one of the surrounding concave and/or dome-shaped sections is located between the side wall and the central dome-shaped section and connects these.
  • the durability is improved, especially at the region between the sidewall and the central dome-shaped section.
  • all of the surrounding concave and/or dome-shaped sections are located between the side wall and the central dome-shaped section and connect these.
  • the central dome-shaped section is larger than each of the surrounding concave and/or dome-shaped sections.
  • the central dome-shaped section is larger than the sum of all of the surrounding concave and/or dome-shaped sections.
  • the reinforcement member may comprise at least one or may comprise all of the surrounding concave and/or dome-shaped sections.
  • the reinforcement member may be a part of the cavity wall.
  • the part of the cavity wall referred to with respect to the additional stiffness for maintaining the shape of a circumference thereof is not the entire cavity wall itself but a "true" part thereof.
  • the circumference of the part of the cavity wall, the shape of which is maintained may then, e.g., be the circumference of a central dome-shaped section.
  • the maximal width (a) of each of the surrounding concave and/or dome-shaped sections is larger than a maximal thickness (t) of the cavity wall.
  • the “maximal width” refers to the width of the section's cavity configured to receive a fluid such as groundwater.
  • At least one of the dome-shaped sections has the shape of a part of a sphere. It is especially preferable for the central dome-shaped section (if present) to have the shape of a part of a sphere. Alternatively, the shape may resemble the shape of a part of a sphere. For example, the shape may comprise polygonal parts which together approximate the shape of a part of a sphere. According to some
  • all of the dome-shaped sections have the shape of a part of a sphere (or a "similar" shape) .
  • the shape of a part of a sphere (or a shape approximating this shape) especially promotes the longevity the inspection chamber part, e.g., as tension resulting from applied pressure is distributed particularly homogeneously.
  • the cavity wall is preferably at least partially concave- shaped or hollowed-inward shaped.
  • the reinforcement member may comprise (or consist of) a reinforcement plate which is connected to another section of the inspection chamber part.
  • the reinforcement member may comprise the reinforcement plate and additionally comprise a part or parts of the cavity wall.
  • the reinforcement plate may have a substantially flat shape but may also have a different shape, e.g., the shape of a part of a sphere.
  • the reinforcement member may also have stiffening members such as stiffening ribs on it.
  • the inspection chamber part is to be used at deeper groundwater levels, e.g., between 3 and 5 meters.
  • the cavity wall may also provide enough stiffness without an additional reinforcement plate.
  • the reinforcement plate is connected to the another section of the inspection chamber part by a weld.
  • the inspection chamber part may comprise a side wall, and the reinforcement plate may be connected to the side wall by means of a weld.
  • the reinforcement plate comprises an opening configured to let fluid pass through the reinforcement plate.
  • the reinforcement plate preferably comprises a plurality (i.e., two or more) such openings. This is a possibility of realizing the cavity's configuration to receive a fluid such as groundwater (despite the
  • the inspection chamber part is preferably configured to allow fluid flow in and out of the cavity along one or several of the surrounding concave and/or dome-shaped section (s). This may be realized, e.g., by matching the positions of the surrounding concave and/or dome-shaped sections with openings in the reinforcement plate. In particular, only one, two, several or all of the surrounding concave and/or dome-shaped sections may allow for a fluid communication. In other words, each of the surrounding concave and/or dome-shaped sections may be understood to constitute an "open” or a "closed pocket". In addition thereto, or alternatively, the
  • reinforcement plate may, e.g., not extend as far so as to cover the surrounding concave and/or dome-shaped sections.
  • the reinforcement plate may be connected to the cavity wall at positions between the central dome-shaped part and the surrounding concave and/or dome-shaped parts. This connection may e.g. be one or several welds, and the
  • connection may not prevent fluid communication between the "central cavity" defined between the central dome-shaped part and the reinforcement plate and the one or several
  • peripheral cavities at least partially confined by the surrounding concave and/or dome-shaped part(s).
  • the reinforcement plate and/or the cavity wall may be
  • the inspection chamber part may further comprise a plate, wherein the cavity wall is the cavity-facing wall of said plate.
  • Said plate may, e.g., be curved so as to conform take on the shape of a part of a sphere or a similar shape, i.e., an "approximating" shape, for example, including polygonal sections jointly approximating a partial sphere-like shape.
  • a maximum height of the central dome-shaped section (h) is equal to or larger than 2% of a maximal width (d) of a contour of the central dome- shaped section (h/d ⁇ 0.02), wherein the maximum height is defined as a maximum shortest distance between a point on the cavity wall and a surface comprising the contour of the central dome-shaped section.
  • the maximal width of the contour of the central dome-shaped section is typically the diameter of a circle-shaped
  • the "maximum height of the cavity” may be the maximum distance from the surface containing the contouring circumference circle to a point on the sphere, a part of which constitutes the shape of the cavity wall.
  • a maximal angle a between points on the contour may be equal to or smaller than 90°, the angle a being defined with respect to the center of the sphere, a part of which
  • the cavity wall may comprise a largest dome-shaped section, and the largest closed contour may be a contour edge of the largest dome-shaped section.
  • the height (h) may lie in a range of 0.02 to 0.35 times the maximal width (d) of the contour (0.02 ⁇ h/d ⁇ 0.35) .
  • the height (h) may lie in a range of 0.02 to 0.35 times the maximal width (d) of the contour (0.02 ⁇ h/d ⁇ 0.35) .
  • the value d/h preferably lies in a range between 3 and 12 (3 ⁇ d/h ⁇ 12)) when the inspection chamber part (or of the inspection chamber with said part) lies in a range of 1100 to 1300 cm (preferably, around 1250 cm) .
  • d/h preferably lies in a range between 4 and 15 (4 ⁇ d/h ⁇ 15) ) when the inspection chamber part (or of the inspection chamber with said part) lies in a range of 900 to 1100 cm (preferably, around 1000 cm) .
  • the value d/h preferably lies in a range between 12 and 41 (12 ⁇ d/h ⁇ 41)) when the inspection chamber part (or of the inspection chamber with said part) lies in a range of 800 to 900 cm (preferably, around 850 cm) .
  • the disclosure relates to inspection chamber parts including any one or any combination of the formerly discussed features (in so far compatible) which is mountable to another
  • inspection chamber parts including any one or any combination of the formerly discussed features (in so far compatible) which are mounted to another component of an inspection chamber.
  • Inspection chamber parts can in this context, e.g., be understood as reversibly or fixedly mounted to or as integrally
  • the inspection chamber part may at least partially be made by roto-molding .
  • the entire inspection chamber part may be produced by roto-molding.
  • the disclosure also relates to inspection chamber parts made by other methods, for example, involving injection molding.
  • the reinforcement member may comprise polypropylene and/or polyethylene .
  • the disclosure further also relates to an inspection chamber comprising an inspection chamber part according to any one of the formerly discussed embodiments.
  • the inspection chamber may be integrally formed (as one piece) with the inspection chamber part or it may comprise additional separate pieces.
  • the inspection chamber may at least partially be made by roto-molding. In fact, the entire inspection chamber may be produced by roto-molding.
  • the disclosure also relates to inspection chambers made by other methods, for example, involving injection molding.
  • the disclosure relates to a method for manufacturing an inspection chamber part or an inspection chamber according to according to any one of the formerly discussed
  • Fig. 1A is a side view (partial cross-section) of an embodiment of an inspection chamber part
  • Fig. IB is a side view (partial cross-section) of an embodiment of an inspection chamber part
  • Fig. 2A is a perspective view of an embodiment of an inspection chamber part
  • Fig. 2B is a perspective view of an embodiment of an inspection chamber part
  • Fig. 3A is a perspective view of an embodiment of an inspection chamber
  • Fig. 3B is a top view of an embodiment of an inspection chamber
  • Fig. 3C is a cross-sectional view of an embodiment of an inspection chamber
  • Fig. 4A is a perspective view of an embodiment of an inspection chamber part
  • Fig. 4B is a perspective view of an embodiment of an inspection chamber part; and Fig. 5 depicts an embodiment of an inspection chamber part .
  • Fig. 1 is a side view (partial cross-section) view of an embodiment of an inspection chamber part 1 for placing in ground holding ground water.
  • the part 1 comprises a cavity 2 for receiving ground water. Further, the part 1 comprises a plate, one side of which constitutes a cavity wall 10 which partially confines the cavity 1. The cavity wall 10 is configured to retain the ground water in the cavity 2.
  • the part 1 of Fig. 1A comprises reinforcing members 3 for providing additional stiffness for maintaining the shape of the cavity 2.
  • the cavity wall 10 comprises a central dome-shaped section 11, and the additional stiffness in particular promotes maintaining the shape of the circular-shaped contour of a "true" part of the cavity, the central domes-shaped section 11.
  • the reinforcing members 3 are a part of the cavity wall 10.
  • the cavity wall 10 comprises the central dome-shaped section 11 as well as surrounding concave shaped sections forming reinforcement members 3.
  • the disclosure also relates to embodiments wherein the reinforcement member comprises or consists of a component not part of the cavity wall.
  • Fig. IB is a side view (partial cross-section) of another embodiment of an inspection chamber part 1.
  • the components of the part 1 are identical to those of the embodiment of Fig. 1A and are, hence, denoted by the same reference signs.
  • This embodiment comprises an additional reinforcement member 4 in the form of a plate welded onto the remaining part of the inspection chamber part 1.
  • both the reinforcement members 3, forming a part of the cavity wall 10 (surrounding concave shaped sections 3), as well as a reinforcement plate 4 are provided as a "reinforcement member".
  • the respective inspection chamber parts 1 also comprise a side wall 5. All of the surrounding concave shaped sections 3 are located between the side wall 5 and the central dome-shaped section. Further, the surrounding concave shaped section 3 (i.e., the reinforcement members 3) connect the side wall 5 and the central dome-shaped section 11.
  • the embodiments of Fig. 1A and IB comprise the surrounding concave shaped sections 3 with maximal widths (a) larger than the thickness (t) of the cavity wall 10.
  • the cavity wall 10 of the embodiments of Figs. 1A and IB is concave/hollowed-inward shaped when seen from below ( 1 ⁇ ⁇ ⁇ cL S seen from the cavity 2) .
  • Figs. 2A and 2B are partial perspective views of the embodiments of Figs. 1A and IB.
  • a fluid such as ground water can flow in and out of the cavity 2 through fluid ports/openings 40.
  • the ports 40 constitute openings configured to let fluid pass the reinforcement plate 4.
  • a fluid may thus flow in and out of the cavity through the "surrounding cavities" associated with the surrounding concave shaped sections 3 of the cavity wall 10.
  • Fig. 5 shows a number of geometric values describing an embodiment of an inspection chamber part.
  • the thickness t of the cavity wall 10 (a thickness of a plate in the case of this embodiment) is smaller or equal to a maximal width a of the surrounding concave shaped sections/reinforcing members 3.
  • the cavity wall 10 comprises a central dome-shaped section 11.
  • the central dome- shaped section 11 has the shape of a part of a sphere.
  • R is larger to or equal to the maximal width a of the surrounding concave shaped sections .
  • a height h of the central dome-shaped section 11 is ⁇ than the thickness t of the cavity wall 10 and ⁇ than the radius p of the sphere, part of which describes the shape of the cavity wall central dome-shaped section 10.
  • FIG. 3A depicts a cross-sectional view of an inspection chamber 6.
  • This inspection chamber 6 comprises an inspection chamber part 1.
  • Fig. 3B is a top view of the inspection chamber 6, and
  • Fig. 3C is a sectional view along the line B-B in Fig. 3B.
  • the inspection chamber part 1 at the lower end of the inspection chamber 6 can be seen in Fig. 3C.
  • the inspection chamber part 1 may, for example, be formed as the one of Figs. 1A and 2A or as the one of Figs. IB and 2B. In the case of the embodiment of Figs.
  • the inspection chamber part 1 is an integral part of the inspection chamber 6, at least in so far as the side walls 5 of the part 1 and the remainder of the inspection chamber 6 are made as one piece (formed by roto-molding) .
  • this disclosure also relates to inspection chamber parts 1 which are made separately and are removable or fixedly mountable or mounted to another component of an inspection chamber.
  • Figs. 4A and 4B show a cross-sectional view from below and (at least partially) from above, respectively, of an embodiment of an inspection chamber part 1.
  • This embodiment comprises a reinforcement member in the form of a reinforcement plate 4 which is welded onto the base part of the inspection chamber part 1.
  • the reinforcement member 4 is provided with openings 40 for allowing fluid to pass in an outside of the cavity 2.
  • the cavity wall is made of a single dome-section which is hollowed inward/concave-shaped (when seen from below, i.e., from the side of the cavity 2) and has the shape of a part of a sphere (see Fig. 4B) .
  • Many additional variations and modifications are possible and are understood to fall within the framework of the disclosure .

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Measuring Volume Flow (AREA)
  • Sewage (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Revetment (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

L'invention concerne une partie de chambre d'inspection destinée à être placée dans un sol retenant de l'eau souterraine, la partie comprenant une cavité (2) pour recevoir de l'eau souterraine et ayant une forme de cavité, la cavité étant partiellement confinée par une paroi de cavité (10) pour retenir l'eau souterraine dans la cavité, et un élément d'armature (3) pour fournir une rigidité supplémentaire pour maintenir une forme d'une circonférence d'au moins une partie de la paroi de cavité (10).
PCT/EP2018/063484 2017-05-31 2018-05-23 Partie de chambre d'inspection WO2018219732A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DK18725852.0T DK3631103T3 (da) 2017-05-31 2018-05-23 Inspektionskammerdel
EP18725852.0A EP3631103B1 (fr) 2017-05-31 2018-05-23 Chambre d'inspection
BR112019025235-5A BR112019025235B1 (pt) 2017-05-31 2018-05-23 Parte de câmara de inspeção
CN201880036320.9A CN110691882B (zh) 2017-05-31 2018-05-23 检查室部件
PL18725852.0T PL3631103T3 (pl) 2017-05-31 2018-05-23 Cześć studzienki rewizyjnej
MX2019014333A MX2019014333A (es) 2017-05-31 2018-05-23 Parte de camara de revision.
CONC2019/0014587A CO2019014587A2 (es) 2017-05-31 2019-12-23 Parte de cámara de revisión

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1042411A NL1042411B1 (en) 2017-05-31 2017-05-31 Inspection chamber part
NL1042411 2017-05-31

Publications (1)

Publication Number Publication Date
WO2018219732A1 true WO2018219732A1 (fr) 2018-12-06

Family

ID=59409710

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/063484 WO2018219732A1 (fr) 2017-05-31 2018-05-23 Partie de chambre d'inspection

Country Status (9)

Country Link
EP (1) EP3631103B1 (fr)
CN (1) CN110691882B (fr)
CO (1) CO2019014587A2 (fr)
DK (1) DK3631103T3 (fr)
EC (1) ECSP19091325A (fr)
MX (1) MX2019014333A (fr)
NL (1) NL1042411B1 (fr)
PL (1) PL3631103T3 (fr)
WO (1) WO2018219732A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709723A (en) * 1986-07-17 1987-12-01 Hancor, Inc. Septic tank for alternative sewer systems
WO2000039411A1 (fr) * 1998-12-24 2000-07-06 Wavin B.V. Base d'egout
DE19961414A1 (de) * 1999-12-17 2001-07-05 Horst Hammes In die Erde einsetzbarer zylindrischer Schacht aus Kunststoff
EP1939369A1 (fr) * 2006-12-28 2008-07-02 Pipelife Nederland B.V. Chambre d'inspection et procédé pour la production d'une chambre d'inspection avec des segments de base
EP2157251A1 (fr) * 2008-08-14 2010-02-24 Kessel GmbH Insert de fond pour un regard d'égout

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2000598A1 (fr) * 2007-06-04 2008-12-10 Ifw Manfred Otte GmbH Partie supérieure de regard
CN101509273A (zh) * 2008-02-15 2009-08-19 戚培发 复合型结构壁塑料检查井
CN201738430U (zh) * 2010-06-30 2011-02-09 沈家同 组合式塑料检查井
DE102012207426A1 (de) * 2012-05-04 2013-11-07 Wavin B.V. Erweiterungsring für einen Schachtdeckel
CN204803916U (zh) * 2015-06-05 2015-11-25 王全龙 Pvc管材组合式检查井

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709723A (en) * 1986-07-17 1987-12-01 Hancor, Inc. Septic tank for alternative sewer systems
WO2000039411A1 (fr) * 1998-12-24 2000-07-06 Wavin B.V. Base d'egout
DE19961414A1 (de) * 1999-12-17 2001-07-05 Horst Hammes In die Erde einsetzbarer zylindrischer Schacht aus Kunststoff
EP1939369A1 (fr) * 2006-12-28 2008-07-02 Pipelife Nederland B.V. Chambre d'inspection et procédé pour la production d'une chambre d'inspection avec des segments de base
EP2157251A1 (fr) * 2008-08-14 2010-02-24 Kessel GmbH Insert de fond pour un regard d'égout

Also Published As

Publication number Publication date
PL3631103T3 (pl) 2023-03-20
BR112019025235A2 (pt) 2020-06-16
CO2019014587A2 (es) 2020-04-24
CN110691882A (zh) 2020-01-14
EP3631103B1 (fr) 2022-12-21
EP3631103A1 (fr) 2020-04-08
ECSP19091325A (es) 2020-05-29
MX2019014333A (es) 2020-08-03
DK3631103T3 (da) 2023-01-16
CN110691882B (zh) 2021-07-20
NL1042411B1 (en) 2018-12-07

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