EP0943747A2 - Méthode et dispositif d'évacuation d'eau pour une surface essentiellement plane - Google Patents

Méthode et dispositif d'évacuation d'eau pour une surface essentiellement plane Download PDF

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Publication number
EP0943747A2
EP0943747A2 EP99104722A EP99104722A EP0943747A2 EP 0943747 A2 EP0943747 A2 EP 0943747A2 EP 99104722 A EP99104722 A EP 99104722A EP 99104722 A EP99104722 A EP 99104722A EP 0943747 A2 EP0943747 A2 EP 0943747A2
Authority
EP
European Patent Office
Prior art keywords
water
inlet
downpipe
piece
height
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
EP99104722A
Other languages
German (de)
English (en)
Other versions
EP0943747A3 (fr
EP0943747B1 (fr
Inventor
Wolfgang Dipl.-Ing. Vahlbrauk
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0943747A2 publication Critical patent/EP0943747A2/fr
Publication of EP0943747A3 publication Critical patent/EP0943747A3/fr
Application granted granted Critical
Publication of EP0943747B1 publication Critical patent/EP0943747B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D13/0431—Drainage outlets, e.g. gullies with horizontal evacuation over the border of the roof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet

Definitions

  • the invention relates to a method for draining water from a substantially flat surface over at least one in essential horizontal derivative, which goes into an associated vertical Downpipe flows into.
  • the invention further relates to a device for deriving Water from a substantially flat surface over at least a substantially horizontal derivative that is an inlet piece and has a bushing and in an associated vertical downpipe opens.
  • This Construction has the advantage that the roof structure, possibly a Contains thermal insulation layer, not affected by the drain pipe becomes. However, the compliance with the mentioned Standard limits for the minimum flow rate and the maximum accumulation levels for a given nominal size the diameter of the feed-through tube is not. This is also valid, if the slope of the grommet with which the roof edge finish is penetrated, is enlarged, and then also an impairment of the roof structure, at least in the area of Thermal insulation layer is accepted.
  • the invention is based on the problem, the derivation of water from a substantially flat surface over an in essential horizontal derivative, which goes into an associated vertical Fal ein leads to improve significantly, so that in particular required parameters can be realized.
  • the down pipe in Free mirror drain fills, so that there is a coherent Forms water column.
  • this breaks in the free-mirror process again and again and is then rebuilt.
  • the invention is in through the water column in the vertical downpipe creates a vacuum in the gas-tight system, which leads to the formation of the suction effect according to the invention. Thereby is a significantly increased amount of water through the same nominal cross section dissipated, so that the specified accumulation level regularly will soon fall short again.
  • This device allows the suction drainage described flat surface after the gas-tight sealing of the inlet openings due to the accumulation over the specified limit accumulation height Water.
  • the inlet piece, the bushing piece and the transition in the vertical downpipe must be "gastight" that a pressure equalization canceling the negative pressure is not takes place. A gas tightness in the strict sense must be cannot be guaranteed.
  • the limit stowage level determined by the inlet is in the center axis of the bushing or below.
  • a still tank is provided above the downpipe be, whose horizontal cross-section is much larger than the free cross section of the downpipe.
  • a still tank can be a continuation of the feed-through piece, which is slightly above the downpipe extends beyond and at a lateral distance of the downpipe is completed.
  • the total area is the inlet openings of the inlet piece at least so large as the flow cross section of the bushing, so that the inlet openings are not the flow rate compared to the Limit the feed-through piece and accordingly a minimal flow cross-section of the bushing can be used.
  • the cover of the inlet piece can be closed Be formed with closed side walls on the top, below the limit accumulation height have inlet openings for the water, the inlet openings by a continuously open Formation of the side walls formed below the limit storage height can be and the inlet openings are preferably a maximum extend to half the height of the side walls.
  • the cover of the Inlet piece also through a horizontal cover plate in the Limit stowage height be formed so that a closed air space trained for the vacuum formation in the passage piece becomes.
  • the inlet piece is open open all sides below the limit accumulation level trained to form the inlet openings.
  • the inlet of the inlet piece below the limit accumulation height designed as a sieve screen to prevent the ingress of constipation objects carrying pipes, such as stones, leaves or the like to prevent.
  • FIG. 1 shows a device for drainage of a flat roof 1 with a penetration of a flat roof edge 2 (parapet).
  • the flat roof 1 is in the usual way with a load-bearing Roofing 3, for example in the form of a concrete ceiling, educated. This is to the top by a possibly multilayer Sealing membrane 4 completed. Thermal insulation 5 applied to the top by a sealing layer 6, for example a bituminous layer. On the Sealing layer 6 is a gravel fill 7.
  • the roof covering 3 rests on supporting side walls 8 of the building and places this on the outside with a flat roof edge finish 2 determining approach 9 continues. About the level so formed the sealing sheet 4 is guided up to the top of the neck 9.
  • a thermal barrier layer 10 for example is covered by a plaster layer 11.
  • the sealing layer 6 is vertically above the thermal barrier coating 12 and over the head assembly 13 to Outside of the building somewhat overlapping with the plaster layer 11 guided.
  • the head assembly 13 and the top of the neck 9 is with a parapet 14 of sheet metal covered to one To ensure protection against penetrating and standing water.
  • a discharge device for on the sealing layer 6 between the Stones of the pebble layer 7 are made up of water Inlet piece 15, a feed-through piece 16, a still tank 17 and a vertical downpipe 18, which in the usual Way in a drainage or in a rainwater collecting pipe ends.
  • the inlet piece 15 has two at right angles to each other Mounting plates 19, 20 with their ends between Sealing layer 6 and thermal insulation 5 or thermal insulation layer 12 are used sealed.
  • a closed top 21 extends from the mounting plate parallel and at a distance from the surface of the flat roof 1.
  • the closed top 21 is perpendicular to the surface of the flat roof 1 standing side walls 22 completed from the closed top 21 to the horizontally lying mounting plate 19 extend out and closed in its upper part are so that the top 21 and side walls 22 in the upper part form closed cover 21, 22.
  • the inlet piece 15 ends on the vertical wall of the insert 9, through the bushing 16 laid horizontally here is penetrated.
  • the bushing 16 consists of a circular piece of pipe that on the outside of the approach 9 in a pipe extension piece merges into the still tank 17 forms.
  • the calming tank 17 is designed as a T-tube, at the bottom of the vertical down pipe 18 is attached.
  • the nominal width of the vertical down pipe 18 is significantly smaller than the nominal size of the horizontal extension of the Bushing 16.
  • the inlet piece 15 is preferably a rectangular container formed, the height of the height of the bushing 16th corresponds, but the width of which is substantially greater than that Diameter of the bushing 16 is. It is also possible to design the inlet piece 15 in the upper area as a half pipe, whereby the top 21 and the adjoining Longitudinal side walls 22 formed integrally with one another would be. The inlet openings 23 would then expediently on straight continuations of the longitudinal side walls 22 are located.
  • the limit accumulation height H is the one at which the accumulated water the air interior of the inlet piece 15 (and the grommet 16 and the still tank 17) closes, so that no air flows into these air spaces can.
  • the vertical down pipe 18 When filling the vertical down pipe 18 then forming water column causes a negative pressure in the mentioned air spaces, causing water to be sucked in and within the Inlet piece 15, the feed-through piece 16 and the still tank 17 is raised to a higher water level. Due to the drastically increased drainage capacity, the water level can be lowered on the sealing layer 6 of the flat roof 1 and thus drop below the limit accumulation height H.
  • suitable dimensioning for the cross section of the vertical down pipe 18 is that the diameter of the vertical down pipe 18 is approximately twice the limit accumulation height H is. With this dimensioning lets secure filling of the vertical downpipe 18 and a achieve good suction effect. However, the vertical down pipe 18 too long, so easily creates a suction effect that the function of the water drain changing too quickly between the free mirror drain and suction function and above leads to increased noise pollution. In this In case it is useful to know the length of the downpipe 18 to limit the small cross-section and after a certain Widen the height of the downpipe 18 by a transition piece 24. The expansion can expediently to a nominal cross section take place, the nominal cross section of the bushing 16 corresponds.
  • the embodiment shown in Figure 2 corresponds to essential to the embodiment of Figure 1, but with two major modifications.
  • the bushing 16 ' is in this embodiment by 3 ° with respect to the horizontal to the downpipe 18 sloping to fill the Promote downpipe 18 through the initial free-level drain.
  • the cover of the water surface for generation the suction effect is formed by a horizontal cover plate 21 ', those in the limit accumulation height H - and thus approximately in the middle or somewhat below the central axis of the mouth opening facing the roof of the bushing 16 - is arranged.
  • a horizontal cover plate 21 'cover can no air space below the cover plate in this embodiment 21 'are included. However, this happens in the area of Feed-through piece 16 'with the front opening an end wall 25 is completed, which extends to the horizontal Cover plate 21 'extends.
  • the horizontal cover plate 21 ' has the function of a large one below the limit storage height H. Inlet cross-section for that entering bushing 16 ' and to ensure any water that is sucked in.
  • the horizontal cover plate 21 'floating held on the end wall 25 and by a sieve cage 26 be surrounded to block the drain by larger To prevent parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Physical Water Treatments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Building Environments (AREA)
  • Drying Of Solid Materials (AREA)
EP99104722A 1998-03-20 1999-03-10 Méthode et dispositif d'évacuation d'eau pour une surface essentiellement plane Expired - Lifetime EP0943747B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19812398 1998-03-20
DE19812398A DE19812398C2 (de) 1998-03-20 1998-03-20 Verfahren und Vorrichtung zur Ableitung von Wasser von einer im wesentlichen ebenen Fläche

Publications (3)

Publication Number Publication Date
EP0943747A2 true EP0943747A2 (fr) 1999-09-22
EP0943747A3 EP0943747A3 (fr) 2001-01-03
EP0943747B1 EP0943747B1 (fr) 2002-05-29

Family

ID=7861762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104722A Expired - Lifetime EP0943747B1 (fr) 1998-03-20 1999-03-10 Méthode et dispositif d'évacuation d'eau pour une surface essentiellement plane

Country Status (4)

Country Link
EP (1) EP0943747B1 (fr)
AT (1) ATE218175T1 (fr)
DE (2) DE19812398C2 (fr)
DK (1) DK0943747T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1013844A1 (fr) * 1998-12-24 2000-06-28 Wolfgang Dipl.-Ing. Vahlbrauk Ecoulement d'eau
EP1013843A1 (fr) * 1998-12-24 2000-06-28 Wolfgang Dipl.-Ing. Vahlbrauk Evacuation d'eau à écoulement libre
EP1101880A2 (fr) * 1999-11-22 2001-05-23 Wolfgang Dipl.-Ing. Vahlbrauk Dispositif d'écoulement
EP1108827A3 (fr) * 1999-12-13 2001-09-12 Wolfgang Dipl.-Ing. Vahlbrauk Drain pour surfaces étanches
EP3922782A1 (fr) * 2020-06-12 2021-12-15 Johannes Adrianus Henricus Maria Schoormans Élément de décharge pour évacuer de l'eau de pluie dans un plan sensiblement horizontal d'un toit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109537819A (zh) * 2018-11-30 2019-03-29 五冶集团上海有限公司 一种集排水管屋面渗漏防治方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI52612C (fi) * 1975-12-30 1977-10-10 Kontekla Oy Rakennuksen kattokaivo tai sentapainen.
CH664591A5 (de) * 1982-03-09 1988-03-15 Kontekla Oy Apparat fuer das abfuehren von wasser vom dach.
NL9101011A (nl) * 1991-06-11 1993-01-04 Anjo B V Doorvoerinrichting voor de hemelwaterafvoer van een gebouw.
GB2285460B (en) * 1993-12-14 1997-01-08 Harmer Holdings Ltd Syphonic rainwater outlet
DE19860160C2 (de) * 1998-12-24 2001-03-08 Wolfgang Vahlbrauk Wasserablauf

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DIERKS, SCHNEIDER, WORMUTH: "Baukonstruktion", 1993, 3. AUFLAGE, pages: 575

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1013844A1 (fr) * 1998-12-24 2000-06-28 Wolfgang Dipl.-Ing. Vahlbrauk Ecoulement d'eau
EP1013843A1 (fr) * 1998-12-24 2000-06-28 Wolfgang Dipl.-Ing. Vahlbrauk Evacuation d'eau à écoulement libre
EP1101880A2 (fr) * 1999-11-22 2001-05-23 Wolfgang Dipl.-Ing. Vahlbrauk Dispositif d'écoulement
EP1101880A3 (fr) * 1999-11-22 2001-07-04 Wolfgang Dipl.-Ing. Vahlbrauk Dispositif d'écoulement
EP1108827A3 (fr) * 1999-12-13 2001-09-12 Wolfgang Dipl.-Ing. Vahlbrauk Drain pour surfaces étanches
EP3922782A1 (fr) * 2020-06-12 2021-12-15 Johannes Adrianus Henricus Maria Schoormans Élément de décharge pour évacuer de l'eau de pluie dans un plan sensiblement horizontal d'un toit

Also Published As

Publication number Publication date
DE19812398A1 (de) 1999-09-30
DE19812398C2 (de) 2002-05-23
ATE218175T1 (de) 2002-06-15
EP0943747A3 (fr) 2001-01-03
EP0943747B1 (fr) 2002-05-29
DK0943747T3 (da) 2002-09-09
DE59901526D1 (de) 2002-07-04

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