EP2739791B1 - Verfahren zum sanieren eines kanalschachtes - Google Patents

Verfahren zum sanieren eines kanalschachtes Download PDF

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Publication number
EP2739791B1
EP2739791B1 EP20130711047 EP13711047A EP2739791B1 EP 2739791 B1 EP2739791 B1 EP 2739791B1 EP 20130711047 EP20130711047 EP 20130711047 EP 13711047 A EP13711047 A EP 13711047A EP 2739791 B1 EP2739791 B1 EP 2739791B1
Authority
EP
European Patent Office
Prior art keywords
liner
manhole
lining
mold
shaft
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.)
Active
Application number
EP20130711047
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German (de)
English (en)
French (fr)
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EP2739791A2 (de
Inventor
Bernd ESCHENBRENNER
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.)
Eschenbrenner Peter
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Eschenbrenner Peter
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 Eschenbrenner Peter filed Critical Eschenbrenner Peter
Priority to PL13711047T priority Critical patent/PL2739791T3/pl
Publication of EP2739791A2 publication Critical patent/EP2739791A2/de
Application granted granted Critical
Publication of EP2739791B1 publication Critical patent/EP2739791B1/de
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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
    • E02D29/128—Repairs of manhole shafts
    • 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
    • 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
    • E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft

Definitions

  • the invention relates to a method for rehabilitating a manhole by a lining, a lining produced by the method and a device for producing the lining.
  • Sewer systems in particular manholes, are subject to a great variety of thermal, chemical and hydrological loads.
  • industry and trade make a significant contribution to a high operational burden.
  • dairies, breweries or the chemical industry generally initiate significant amounts of particularly aggressive substances which themselves or by mixing with other added substances cause chemical reactions during flow.
  • GfK glass fiber reinforced plastic
  • thermoset plastic parts are insensitive to acid and similar aggressive substances, they represent a suitable material for renovation, especially since components with high wall thicknesses and complex geometries can be produced with high pressure resistance at the same time.
  • the disadvantage is that a complex assembly of the plates to be fitted is required and pipes can not be readily installed in existing sewer systems.
  • Another method therefore provides to introduce a so-called Schlauchinliner in a channel system to press by means of compressed air to the channel wall and finally cure with a UV light source.
  • DE 39 22 351 A1 describes a process for the rehabilitation of drainage pipes using a gummed inner tube, which is retracted into the respective channel section in the axial direction and unfolded by an expandable bladder and then cured.
  • DE 43 26 503 C2 the production of a tubular lining tube of any length is known. However, such is unsuitable for branches and manholes, especially manholes, especially as they are mostly tapered.
  • Subject of the DE 699 25 045 T2 is a lining device for sealing and reinforcing the walls of a manhole with a hose, which is composed of at least three layers which are interconnected by seams and whose middle layer seals the lining.
  • a multi-layered hose and a method for its production are known, which can be used for the renovation and lining of pipelines.
  • the tube is made continuously with a constant diameter, to which a flat film is welded at its overlapping longitudinal edges and then pulled through a mounting tube.
  • On the mounting tube simultaneously impregnated with resin longitudinal belts are placed, which are deducted together with the formed by the flat film inner tube and should connect behind the pipe end.
  • the lining consists of a first placed in a flat shape bag which is inflated after insertion into the manhole, but in conical transitional areas crumple zones and wrinkles are inevitable.
  • FIG. 1 shows an example of a manhole 10, as defined in DIN V4034-1: 2004-08.
  • Such manholes have a conical shaft neck 12, which is seated on cylindrical shaft rings 14 which are positively connected with each other.
  • an appearance (Berme 18) in which a channel 24 is inserted, which establishes the connection to a sewer pipe 22.
  • a manhole cover 26 consisting of a frame 28 with Auflageringen 30 and a lid 32.
  • the Auflageringe 30 allow the approximation to the terrain level. After lifting off the lid 32, you can descend via the mounted on the cylindrical shaft wall 34 crampons 36 to the appearance 18 in the shaft bottom.
  • FIG. 2 1 shows the embodiment of a horizontally arranged mold 38 according to the invention for winding and laying a manhole lining 50 (FIG. FIGS. 7 and 8 ), which simulates the inner surface of the manhole 10, but whose diameter is smaller by a certain amount, to take into account the thickness of the manhole liner 50 and their required clearance when introduced into the shaft 10.
  • the mold 38 is made as a hollow body, for example made of sheet metal, composed of different modules according to the manhole shape and in an in FIG. 4 indicated device 20 is used.
  • the example of FIG. 3 shows a number of different modules 38-1, 38-2, 38-3.
  • FIG. 4 schematically shown the device 20 for receiving rotary drive for a mold 38, with the aid of a lining 50 can be prepared according to the invention.
  • a horizontal axis 100 which rotatably attached to the stator 42 and on which a drum 102 via rolling or sliding bearing 104 is rotatably mounted extends.
  • a variable speed motor 106 which is mounted on the stator 42 and the shaft 108 via a gear 110, the drum 102 is rotated.
  • a pneumatic or hydraulic drive is conceivable.
  • the mold 38 is formed as a hollow body, which is composed of juxtaposed modules whose dimensions (length, diameter, cone angle) correspond to the channel shape to be lined.
  • the example shown shows a large cylindrical module 38-1 for the lining of the vertically stacked manhole rings 14, the length of the shaft depth in the adjacent to the berm 18 upwards, cylindrical region (see. FIG. 1 ) and generally a multiple of the diameter is.
  • the subsequent module 38-2 is used to make the lining section for the conical throat 12, followed by a small cylindrical module 38-3 for the neck finish.
  • the juxtaposed modules 38-2, 38-3 are according to FIG. 4 with the closed end of the drum 102 via positive coupling elements 112 rotatably connected.
  • FIGS. 4 and 5 indicate the possibility of subdividing at least the large module 38-1 into two or here four circular segments 118 in order to be able to change the diameter.
  • Each segment 118 is supported by at least one radially inwardly projecting leg 120 in a guide 122 projecting from the drum 102.
  • the segments 118 in the direction of the arrows in the radial direction can be adjusted continuously, for example in the ratio 2: 3 (see. FIG. 5 ) to produce at least two adjacent nominal diameters.
  • arcuate bridging elements 124 may be provided, which are articulated at one end 126 to the adjacent segment 118.
  • the radial adjustment of the segments 118 may be motorized, which is not shown.
  • the mold 38 is mounted over the drum 102 on the axis 100 flying. This is her in FIG. 4 right end free and can be adapted for the production of differently shaped liners 50 to the respective present form in the region of the chess neck 12.
  • FIG. 2 1 schematically shows the method for producing the lining 50 with the aid of the mold 38.
  • An inflatable film hose 40 (FIG. FIG. 7 ), which has the task of protecting the mold 38 from adhesive, so that finally the generated lining 50 can be pulled off.
  • the film tube 40 is pinnated in the conical neck area, ie cut from the free end in the longitudinal direction, whereupon the case resulting overlaps are glued from the outside. The joining together of prefabricated foil blanks is possible.
  • winding device 130 carries rollers 44 of a stretchable textile tape 46, usually made of fiberglass material, which allows the wrapping of the mold 38 with different angles of inclination to the axis of the mold 38.
  • the winding device 130 has in the example of FIG. 6 a carriage 132 which carries a roller 44 and in the direction of the arrow W of FIG. 4 longitudinally movable relative to the device 20 back and forth.
  • stretchable textile bands 46 'can also be inserted axially in the longitudinal direction. These are in FIG. 2 designed as narrow strips; instead, wide bands 46 'can be used, one, two or three of which cover slightly more than the circumference of the mold 38. In several layers, the overlaps are circumferentially offset from each other to largely exclude accumulations of material.
  • Axially arranged, non-stretchable and thus tensile longitudinal strips 48 ensure the cohesion of the produced composite in the axial direction and against the action of gravity of the liner 50 during assembly in the shaft 10.
  • the tensile longitudinal strips 48 can be led beyond the conical neck part to a suspension the generated lining 50 and the introduction into the manhole 10 to facilitate.
  • textile blanks 98 can be incorporated in the winding, the shape of which correspond to the cone surface of the chute neck 12.
  • the wall thickness can be designed differently in adaptation to the different load loads in different shaft depths.
  • an outer protective sheath 52 consisting of webs of a stronger film is made of sealing, UV-opaque material, such as a composite film of PA and PE.
  • the least possible to minimize overlap wide webs for this protective sleeve 52 are circumferentially wound on the composite, after which the overlaps are covered by adhesive tapes.
  • the mechanically robust protective sleeve 52 ensures a one-piece, high-strength fiberglass composite for the lining 50 and forms a barrier against the ingress of liquids and gases into the manhole 10.
  • FIG. 11 is indicated that on the outside of the protective sheath 52 at 0 °, ie where vertical in the installed position of the liner 50, the vertical passes from bottom to top and is not interrupted by the cone of the chute neck 12, a metal strip 55 can be axially applied , which preferably consists of an aluminum adhesive tape. This makes it possible to check the wall thickness of the lining 50 after hardening at each shaft height with an eddy current measuring device.
  • FIG. 4 shows that now the shape 38 can be slightly reduced in diameter, for which the segments 118 are adjusted radially inwardly, so that the finished GRP lining 50 can be stripped in the axial direction over the free end of the mold 38 (dashed lines) ,
  • FIG. 7 shows the introduction of the GRP lining 50 in the manhole shaft 10.
  • a plate 54 is attached, which fills the shaft cross-section.
  • mounting plates 56 can be provisionally fixed in the grid of a later to be mounted, two-legged or ein constitution of crampons 36 on the shaft wall 34, for example by gluing 82 (see. FIG. 9 ).
  • a circumferential, permanently elastic seal 60 is mounted just above the berm 18, in concrete shafts below the lowermost joint 58 between the lowest manhole ring 14 and the berm 18. This establishes the seal between the manhole lining 50 and the shaft wall 34.
  • a pressure-tight bag 66 is used, then in the subsequently via a pull cable 78, a disc 62 is lowered, which is supported in the final, lowermost position on the plate 54 on the entrance (Berme) 18 when the GRP lining 50 has taken the intended location in the shaft 10.
  • the upper end of the bag 66 is sealed pressure-tight with a lid 64.
  • This has a connection 68 for introducing a pressurized medium, preferably Compressed air to inflate the bag 66 can.
  • the lid 64 has an opening 70 for the introduction of heat energy, preferably via a cable 72 for supplying a UV or infrared radiation source 74 and optionally a further opening for a cable leading to a digital camera.
  • the prepared for installation GRP lining 50 is now lowered on a hoist 76 so suspended in the manhole 10 that their shape in the height and rotational position coincides with the manhole. Then, the bag 66 is expanded by overpressure, so that the GRP lining 50 unfolds and fits tightly against the shaft wall 34, the sealing ring 60 at the lower end and the mounting plates 56.
  • the force acting on the disc 62 by the positive pressure is supported by the plate 54.
  • the compressive force acting on the lid 64 is absorbed by the lower pulley 62 by the pull cable 78, which extends axially through the bag 66. In this case, the disc 62 comes in a central position within the shaft 10.
  • the radiation source 74 for curing the GRP lining 50 is turned on and moved by means of its supply cable 72 along the traction cable 78 up and down until the liner 50 is cured. In this case, the radiation source 74 moves approximately in the center axis of the lining, so that a uniform hardening is ensured at all points.
  • the overpressure is withdrawn and the radiation source 74 is turned off.
  • the lower disc 62 and the sack 66 can be pulled out by means of the pull cable 78 and the plate 54 can be removed. In this case, the film tube 40 is removed.
  • the upwardly and downwardly projecting ends of the liner 50 and the outer protective sheath 52 are finally severed.
  • FIG. 7 the refurbished manhole well 10 is shown with final lining 50.
  • FIG. 9 one marks the mounting locations on the inner surface of the GRP lining 50 with the same dimensions that were previously used in the attachment of the mounting plates 56. Then drill the mounting holes for the crampons 36 in the mounting plates 56.
  • the crampons 36 can be fixed with screws and blind nuts 80 which are mounted behind the mounting plates 56.
  • the mounting plates 56, through the Lining 50 are covered, may be equipped to locate them with a small permanent magnet 128.
  • FIG. 11 there is the in FIG. 11 indicated possibility, instead of the mounting plates 56 between the shaft wall 34 and liner 50 female shims 53 with internal thread in the manufacture of the liner 50 between this and the outer protective sheath 52 incorporated. This is below based on the FIGS. 17 to 20 explained.
  • control and other devices 84 are attached.
  • the associated cables and lines 86 are usually laid on the shaft wall 34 and hinder the cleaning there.
  • the conduits 86 may be routed in the space between the liner 50 and the shaft wall 34 so that they can not interfere with cleaning nor be damaged during operation in the shaft 10.
  • the devices 84 are, as already the attachment of crampons 36 in FIG. 9 shows screwed onto mounting plates 56.
  • the use of blind nuts 80 also allows a later determination of the hole pattern for their attachment.
  • cables 86 are usually brought to the shaft 10 in protective tubes 88 in the ground. There, a sufficiently large bore 90 is mounted in the shaft wall 34 with a core drill. Of the bore 90 lead on the inner surface of the shaft wall 34 flexible plastic insulating tubes 92 or dimensionally stable, but soft plastic channels 94 ( FIG. 16 ) To the mounting plate 56. They are first attached by gluing 82 provisionally on the shaft wall 34.
  • hoses can also be laid in this way.
  • the diameters of the insulating tubes 92 or the dimensions of the cable channels 94 find their limits on the stability of the GRP lining 50 and must be interpreted after the local force.
  • the liner 50 When the liner 50 has been attached, it conforms to the attachment plates 56 and the insulating tubes 92 or cable channels 94 and holds them firmly in place.
  • the passage of the leads 86 through the well casing to the device 84 must be sealed by cable glands.
  • the bore 90 in the shaft wall 34 must be closed with the mounting foam 96 until it is used for the lines 86.
  • the mounting foam 96 can be easily removed before laying the lines 86. After installation, the bore 90 can be re-sealed in the same way.
  • FIGS. 12 to 16 illustrated developments have the advantage that the supply lines are laid behind the shaft lining 50 of GfK. In addition, dowel holes in the shaft wall 34 and thus possible leaks are avoided.
  • FIGS. 17 to 20 show a way of making the attachment of crampons 36, as in FIG. 11 is indicated. There, the crampons 36 are not bolted to mounting plates 56, as in the FIGS. 12 to 14 are shown, but on mounting plates 53 with approximately square shape and beveled expiring edges 57th
  • FIG. 17 a circular segment of the mold 118 is shown, on which push-through pins 63 are placed in pairs according to the intended arrangement of the fastening screws 73 for the crampons 36.
  • these pins 63 create holes 67 which serve to subsequently receive laminating nuts 80 which are part of the mounting disks 53.
  • the push-through pins 63 are removed from their latching to the outside or they are supported by a device, together lowered below the support surface of the mold 38.
  • FIG. 18 shows an example of a push-through pin 63, which may alternatively have a rotationally symmetric tip 65 or an inclined tip 65 '.
  • sleeves 38 61 are fixed, in which the shaft 114 of the push-through pin 63 by means of a spring ring 116 engages.
  • the desired rotational position of the pin 63 with oblique tip 65 ' can be adjusted via a slot 115 in the shaft 114.
  • 65 ' is a transverse bore 117 for inserting a tool by means of which the pin 63 can be pulled out again after completion of the lining 50.
  • the attachment washers 53 for introducing the forces occurring on the crampon 36 into the lining 50 are made of synthetic resin, for example GRP, into which two nuts 80 are laminated.
  • the attachment discs 53 are placed on the textile composite of the liner 50 so that the protruding parts 69 of the nuts 80 dive into the holes 67.
  • the fixing plates 53 provisionally fixed with adhesive strips 71.
  • the lining 50 is covered with a protective sheath 52, which does not have to be pierced in this process for fastening the crampons 36.
  • the crampons 36 are fastened by means of threaded bolts 73, which are screwed into the laminated nuts 80 (see. FIG. 20 ).

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Sewage (AREA)
EP20130711047 2012-03-22 2013-03-21 Verfahren zum sanieren eines kanalschachtes Active EP2739791B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13711047T PL2739791T3 (pl) 2012-03-22 2013-03-21 System do renowacji studzienek kanalizacyjnych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012102433.2A DE102012102433B4 (de) 2012-03-22 2012-03-22 Verfahren und Vorrichtung zum Sanieren eines Kanalschachtes
PCT/EP2013/055899 WO2013139892A2 (de) 2012-03-22 2013-03-21 System zum sanieren eines kanalschachtes

Publications (2)

Publication Number Publication Date
EP2739791A2 EP2739791A2 (de) 2014-06-11
EP2739791B1 true EP2739791B1 (de) 2015-05-06

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EP20130711047 Active EP2739791B1 (de) 2012-03-22 2013-03-21 Verfahren zum sanieren eines kanalschachtes

Country Status (13)

Country Link
US (1) US20150023735A1 (ko)
EP (1) EP2739791B1 (ko)
JP (1) JP6067834B2 (ko)
KR (1) KR101941100B1 (ko)
CN (1) CN104321489B (ko)
AU (1) AU2013237405B2 (ko)
CA (1) CA2868039C (ko)
DE (1) DE102012102433B4 (ko)
DK (1) DK2739791T3 (ko)
ES (1) ES2544476T3 (ko)
HK (1) HK1206801A1 (ko)
PL (1) PL2739791T3 (ko)
WO (1) WO2013139892A2 (ko)

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US10214893B2 (en) 2014-11-20 2019-02-26 Press-Seal Corporation Manhole base assembly with internal liner and method of manufacturing same
WO2016081750A1 (en) * 2014-11-20 2016-05-26 Press-Seal Gasket Corporation Manhole base assembly with internal liner and method of manufacturing same
US10436350B1 (en) * 2018-05-08 2019-10-08 Mohammad R Ehsani Trenchless pipe-laying
CN109237196A (zh) * 2018-10-19 2019-01-18 岭澳核电有限公司 管道延寿层、延寿管道及管道延寿工艺
RU2758942C2 (ru) * 2020-04-13 2021-11-03 Владислав Григорьевич Вохмянин Сборный железобетонный колодец В.Г. Вохмянина
RU2764466C1 (ru) * 2020-10-26 2022-01-17 Владислав Григорьевич Вохмянин Сборный железобетонный колодец В.Г. Вохмянина
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DE102021006141A1 (de) 2021-12-13 2023-06-15 Brandenburger Liner Gmbh & Co. Kg Auskleidungsschlauch zur Sanierung von defekten Kanalschächten einschließlich Berme und Gerinne sowie Verfahren zur Herstellung eines solchen sowie Verfahren zur Auskleidung eines defekten Kanalschachts
KR102588517B1 (ko) * 2023-02-07 2023-10-12 한복규 슬라브커버의 지지가 가능한 맨홀 보강장치

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Also Published As

Publication number Publication date
US20150023735A1 (en) 2015-01-22
EP2739791A2 (de) 2014-06-11
CN104321489A (zh) 2015-01-28
CN104321489B (zh) 2016-06-22
HK1206801A1 (zh) 2016-01-15
KR20140139573A (ko) 2014-12-05
DE102012102433B4 (de) 2014-01-16
AU2013237405B2 (en) 2017-03-30
ES2544476T3 (es) 2015-08-31
JP6067834B2 (ja) 2017-01-25
WO2013139892A2 (de) 2013-09-26
WO2013139892A3 (de) 2013-11-21
DK2739791T3 (en) 2015-08-03
CA2868039A1 (en) 2013-09-26
AU2013237405A1 (en) 2014-10-09
JP2015514168A (ja) 2015-05-18
DE102012102433A1 (de) 2013-09-26
CA2868039C (en) 2019-04-09
KR101941100B1 (ko) 2019-04-12
PL2739791T3 (pl) 2016-05-31

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