EP3012375A1 - Verfahren zur herstellung eines mannlochs - Google Patents

Verfahren zur herstellung eines mannlochs Download PDF

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Publication number
EP3012375A1
EP3012375A1 EP15190621.1A EP15190621A EP3012375A1 EP 3012375 A1 EP3012375 A1 EP 3012375A1 EP 15190621 A EP15190621 A EP 15190621A EP 3012375 A1 EP3012375 A1 EP 3012375A1
Authority
EP
European Patent Office
Prior art keywords
basin
frame
formwork ring
skirt
formwork
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.)
Withdrawn
Application number
EP15190621.1A
Other languages
English (en)
French (fr)
Inventor
Eirik Strand
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3012375A1 publication Critical patent/EP3012375A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • 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
    • E02D29/128—Repairs of manhole shafts
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/16—Reinforcements
    • E01C11/18—Reinforcements for cement concrete pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/002—Coverings, the surface of which consists partly of prefabricated units and partly of sections made in situ
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1445—Tools for positioning or removing cover frames
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/149—Annular gaskets
    • 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

Definitions

  • the expression basin includes ordinary basins for water, sewage and cables, as well as other shafts for servicing buried functions, and in particular basins that are arranged in a street, road or square, the location being covered by asphalt, concrete or pavement slabs.
  • a basin often includes a concrete basin body which is buried in the ground and connected to pipes or tunnels. Onto the top of the basin there is ordinarily placed a basin frame holding the cover.
  • the basin frame is made from cast iron and the frame or road is adapted to provide the top of the frame being on a level with the road.
  • the surface of the road may also elevate during winter due to frost in the upper layer, while the basin will stay put as it penetrates into the frost free subsurface. This will create a height difference between road and basin, and will also break up the asphalt bordering the basin.
  • the elevation of the basin must also be adjusted when the road is renewed with asphalt, e.g. by changing the basin frame or by adding shim-rings.
  • basins wherein the basin frame protrudes into the underlying basin body, and thus may slide up and down into the basin in step with the road (floating basin frame).
  • EP 2 128 344 there is disclosed a method of renovating a basin when new asphalt is added around the basin.
  • the method includes lifting the basin frame from the top of the basin body, and cleaning the frame of rust and old asphalt. Then, a compressible gasket is placed around the basin frame.
  • the basin frame is lowered into the basin with the gasket resting against the top of the basin body.
  • a casting mixture is injected into the cavity between the frame and the surrounding asphalt, and the frame is lowered further into the correct position relative to the road. This is possible since the gasket is compressible and may be compressed as needed.
  • the basin frame is the attached to the road's top coating, and may slide freely inside the top of the basin. The basin frame will float freely in step with the road raising and lowering.
  • the invention relates to a method for installing or renovating a basin in relation to a surface, wherein the basin includes at least a basin body with top, frame and cover.
  • a first step in the method includes lifting the basin frame from the basin body into a first position. Then, a formwork ring is placed around the basin top, whereupon the basin frame is lowered into a second position wherein the frame is aligned on a level with said surface, the basin frame running through said formwork ring and into the basin body, whereupon a casting mixture is injected into a cavity formed between the surrounding ground and the basin frame.
  • This method prevents the basin frame from fastening to the top of the basin. Thus, it may always move independent of the basin body itself.
  • the invention also relates to a formwork ring for use in said method, wherein the formwork ring includes an annular skirt and an inward facing flange fastened to one end of the skirt, the flange being adapted to fit tightly around the basin frame.
  • the skirt is dimensioned to project outside the basin top and is adapted to rest on mass outside the basin top.
  • the formwork ring secures the presence of a cavity between the basin frame and basin top.
  • the formwork ring may include a gasket fastened to the inner circumference of the flange. This gasket prevents casting mixture from penetrating between the formwork ring and basin frame.
  • Said skirt may be cylindrical. This may allow some movement between the formwork ring and the basin body.
  • the skirt may be conical. Such a design allows stacking of the formwork rings for easier transport.
  • the formwork ring may be produced in metal, a fibrous material or a polymer.
  • the formwork ring must be strong enough to maintain its shape when the casting mixture is injected and affordable to produce. It may be advantageous to produce the formwork ring in a fibrous material if the ring should decompose subsequent to the casting process.
  • the skirt and flange of the formwork ring are produced in a stiff polymer material and the gasket shaped as a lip in a flexible polymer material, the formwork ring being produced as one unit. This allows the ring to be produced in a cost effective process. The lip will close tightly around the basin frame and be bent downwards when this is mounted.
  • the formwork ring may also be produced with the flange as a separate flat ring or washer with a groove around the periphery, the skirt being shaped as a flat side wall that is adapted to be bent and snapped into the groove. This allows the ring to be transported as a flat pack and assembled at the place of use.
  • Fig. 1 shows a basin with a body 1 and top 2, which is installed in the ground. Above the ground 3 there is filled a layer of draining gravel 4. Onto the gravel 4 there is established a road with layers of asphalt 5 and substrate 6. A basin frame 7 with flange 8 and cover 9 is running through the upper layers 5 and 6. The basin frame is fastened to the upper layers, but is intended to slide freely inside the basin body 1, i.e. the basin frame is of the floating variety. This will not always work as intended, as mass will fill up to the basin frame and prevent the frame from sagging down. In case the road surface lifts, e.g.
  • Fig. 2 shows the same basin.
  • the basin frame is now removed (and cleaned from old asphalt and rust), while the edge of the opening in the road surface is aligned and prepared for reinstallation of the basin frame.
  • Fig. 3 shows the provision of a formwork ring 11 in the opening.
  • the formwork ring 11 rests on the gravel outside the basin body.
  • Fig. 4 the basin frame is lowered into the opening and adjusted into a correct level relative to the road surface.
  • a dedicated tool or machinery is used for this task (not shown).
  • the position of the basin frame in the basin body is controlled by the formwork ring 11.
  • a casting mixture 12 is injected into the cavity outside the formwork ring, while the basin frame is being held at the correct level.
  • the formwork ring will prevent the casting mixture from contacting the lower parts of the frame, thus preventing the casting mixture from adhering to the frame in the area where it enters the basin body, while the casting mixture simultaneously glues the basin frame to the upper layers of the road.
  • said tool may be removed and the installation of the basin frame is finished.
  • Fig. 5a shows a possible embodiment of the formwork ring 11.
  • the formwork ring includes a skirt 111, an inward facing flange 112 which is attached to an (upper) end of the skirt 111, and a gasket 113 attached to the inner circumference of the flange 112.
  • the gasket may be loose and only pressed onto the flange 112.
  • the object of the gasket is to prevent casting mixture from protruding between the basin frame and the formwork ring into the cavity inside the formwork ring.
  • the ring is cylindrical in shape and may be produced in dimensions fitting standard basins, i.e. the ring fitting tightly around the circumference of the basin top.
  • the formwork ring may be assembled from several parts or cast in one piece, and may be produced in any suitable material, such as metal, a fibrous material or a polymer.
  • the formwork ring may also be without any gasket, in case it fits tightly enough around the basin body, or the casting mixture being of a nature to allow this.
  • the formwork ring may also be produced of polymer in one piece, the skirt and flange preferably being produced of a relatively stiff polymer, while the gasket is produced in a more elastic polymer forming a lip turned inwards into the ring.
  • Fig. 5b shows another embodiment of the formwork ring, where the skirt 111 is conical.
  • the main advantage of this embodiment is the possibility of stacking the ring in storage or during transport in order to occupy less space.
  • the formwork ring may also be produced as a kit, with a flat ring forming the flange, and a flat side wall which may be bent into shape and then snapped into a groove along the outer edge of the flange ring (not shown). This also alleviates storage and transport of the formwork rings.
  • the formwork ring may be of miscellaneous shapes, i.e. shaped as a circular ring, or a square or rectangular ring, or any other shape fitting the appearance of the basin top and frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Sewage (AREA)
EP15190621.1A 2014-10-20 2015-10-20 Verfahren zur herstellung eines mannlochs Withdrawn EP3012375A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20141252A NO339801B1 (no) 2014-10-20 2014-10-20 Fremgangsmåte for installasjon av en kum, samt forskalingsring for dette formål

Publications (1)

Publication Number Publication Date
EP3012375A1 true EP3012375A1 (de) 2016-04-27

Family

ID=54476678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15190621.1A Withdrawn EP3012375A1 (de) 2014-10-20 2015-10-20 Verfahren zur herstellung eines mannlochs

Country Status (3)

Country Link
US (1) US20160108601A1 (de)
EP (1) EP3012375A1 (de)
NO (1) NO339801B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106917337A (zh) * 2017-03-15 2017-07-04 中交第三公路工程局有限公司 路面铺设的新工艺
CN106948237A (zh) * 2017-03-29 2017-07-14 浙江环宏市政建设有限公司 带有集水井的道路及其施工方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160215473A1 (en) * 2015-01-22 2016-07-28 Kingscote Chemicals, Inc. Manhole Cover Cushion
NO340391B1 (no) 2015-12-23 2017-04-10 Eirik Strand Overgangsramme
DE102016014543A1 (de) * 2016-12-07 2018-06-07 Curt Espenlaub Verlorene Schalung als Einbauhilfe für Schachtbauwerke
US10233608B2 (en) 2016-12-30 2019-03-19 Gulf Coast Underground, LLC Sealing system for precast concrete structures
US20220403615A1 (en) * 2021-06-21 2022-12-22 Michael Crites Method for manhole riser extensions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128344A1 (de) 2008-05-30 2009-12-02 Bjarne Henning Poulsen Verfahren zur Erneuerung der Oberflächenbeschichtung um Brunnenränder und komprimierbare Vorrichtung zur Verwendung mit dem Verfahren

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SE430998B (sv) * 1983-03-02 1983-12-27 Thure Anders Sixten Arvidson Sett att hojdlegesjustera befintliga beteckningar for brunnar i vegbanor samt for settets genomforande avsedd lockberarring
US4834574A (en) * 1987-07-23 1989-05-30 Bowman Harold M Utility cover extension
US5095667A (en) * 1990-03-07 1992-03-17 Chester Ryan Telescopic manhole and storm drain installation
FI580U1 (fi) * 1992-11-13 1993-03-11 Kwh Pipe Ab Oy Oevre kon i plast foer en brunn
US5564855A (en) * 1994-05-31 1996-10-15 National Polymers Inc Height adjustment ring for manhole cover frame
US6044590A (en) * 1995-10-31 2000-04-04 Gagas; Michael Liquid infiltration prevention structures for preventing liquid infiltration manhole assemblies
US6986226B2 (en) * 2001-09-07 2006-01-17 Strike Tool Manhole water seal-cap/diverter
EP1606460A1 (de) * 2003-03-25 2005-12-21 Aco Severin Ahlmann Gmbh & Co. Kg Schachtabdeckung und verfahren zu ihrem einbau
US7699981B2 (en) * 2006-09-28 2010-04-20 Sam Ledford Drain installation system and method
DE102006056936A1 (de) * 2006-11-30 2008-06-05 Buderus Kanalguss Gmbh Verfahren zum Einbau einer Schachtabdeckung sowie die zugehörige Schachtabdeckung
US20090214292A1 (en) * 2008-02-25 2009-08-27 John Crissman Encapsulated manhole cover
US8182171B2 (en) * 2009-09-29 2012-05-22 Bjarne Henning Poulsen Method for renovation of surface dressings around well curbs, and a compressible device for use in the method
CN202627025U (zh) * 2012-05-23 2012-12-26 张木成 一种可调式窨井盖
US20130336723A1 (en) * 2012-06-14 2013-12-19 Jerry L. McKinney Riser Sections and Risers Made Therefrom

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128344A1 (de) 2008-05-30 2009-12-02 Bjarne Henning Poulsen Verfahren zur Erneuerung der Oberflächenbeschichtung um Brunnenränder und komprimierbare Vorrichtung zur Verwendung mit dem Verfahren

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106917337A (zh) * 2017-03-15 2017-07-04 中交第三公路工程局有限公司 路面铺设的新工艺
CN106917337B (zh) * 2017-03-15 2018-12-25 中交第三公路工程局有限公司 路面铺设的工艺
CN106948237A (zh) * 2017-03-29 2017-07-14 浙江环宏市政建设有限公司 带有集水井的道路及其施工方法

Also Published As

Publication number Publication date
NO339801B1 (no) 2017-01-30
US20160108601A1 (en) 2016-04-21
NO20141252A1 (no) 2016-04-21

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