EP0509209B1 - Process for making a prefabricated concrete collecting vessel for water polluting liquids - Google Patents
Process for making a prefabricated concrete collecting vessel for water polluting liquids Download PDFInfo
- Publication number
- EP0509209B1 EP0509209B1 EP92102803A EP92102803A EP0509209B1 EP 0509209 B1 EP0509209 B1 EP 0509209B1 EP 92102803 A EP92102803 A EP 92102803A EP 92102803 A EP92102803 A EP 92102803A EP 0509209 B1 EP0509209 B1 EP 0509209B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- vessel
- concrete
- negative
- collecting vessel
- 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.)
- Expired - Lifetime
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims 2
- 239000002184 metal Substances 0.000 claims abstract description 56
- 238000003466 welding Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000003111 delayed effect Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 2
- 238000009415 formwork Methods 0.000 abstract description 24
- 238000005056 compaction Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 101150006573 PAN1 gene Proteins 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/24—Spillage-retaining means, e.g. recovery ponds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
Definitions
- the invention relates to a method for producing a portable prefabricated collecting basin made of concrete for water-polluting liquids, according to the preamble of patent claim 1.
- a method of the type mentioned is known from the operational practice of precast concrete manufacturers.
- the prefabricated sump trays produced in this way are produced at a central plant and then brought to the place where they are installed.
- Such drip pans are used, for example, for cleaning systems for motor vehicles or rail vehicles, in particular tank trucks.
- DE-A-38 09 963 discloses a method for producing a trough-shaped or basin-shaped collecting space for water-polluting liquids stored in storage containers. With this method, collecting rooms with very good long-term tightness can be produced, but it is considered a disadvantage here that this known method is practically only for the production of collecting rooms on the spot, i. H. at their intended location.
- the concrete used is advantageously used not only for static purposes but also as corrosion protection for the sheet metal pan embedded on all sides and as a sealant in the concrete.
- a coating of the surface of the drip pan is therefore no longer necessary, which means that this labor-intensive and cost-intensive step can be completely eliminated.
- the special sequence of the process steps ensures that the sheet metal tray is completely surrounded by the concrete without cavities or air pockets, which also provides excellent corrosion protection in the long term.
- the concrete layers can of course, as usual, be provided with reinforcements in a known manner.
- a further embodiment of the invention provides that the circumferential sheet metal strip is provided with a welding flange at its upper edge prior to welding to the sheet metal plate to the sheet metal trough, which delays the setting in the installed surface of the sheet metal strip at the end of the second process step in the plane of the free surface of the filled, set set fresh concrete. On the one hand, this simplifies the welding process and, on the other hand, it compensates for dimensional tolerances and position deviations when the sheet metal strip is embedded reached in the concrete of the side walls of the sump.
- a second solution to the stated problem is achieved according to the invention by a method of the type mentioned at the outset with the characterizing features of patent claim 5.
- the advantages described on the basis of the solution according to patent claim 1 are also achieved with this alternative method.
- the method according to claim 5 is particularly suitable for shallower drip pans with relatively low side walls, in which the sheet metal strip of the sheet metal tub embedded therein has a relatively low height.
- the ventilation opening or openings are expediently closed by welding on one sheet metal cover each. Reinforcement can of course also be provided here.
- the formwork used corresponds to conventional negative formwork, as has been used previously for the production of drip pans, and is usually arranged on a vibrating table in order to achieve the desired compaction when or after the various concrete layers have been laid.
- a negative formwork 3 which is composed of formwork parts 30, 30 'and 31, is used for the production of the collecting trough 1 shown here by way of example.
- the formwork parts 31 limit the side walls 11 and 12 of the sump 1; the formwork part 30 delimits the side wall-facing part 10 of the bottom 10, 10 'of the collecting trough 1, and the formwork part 30 'laterally delimits the part 10' of the bottom 10, 10 'of the collecting trough 1 facing away from the side wall , ie in the manufacture of the drip pan 1, the bottom 10, 10 'is at the top and the side walls 11, 12 extend from there downwards.
- a sheet metal trough 2 which is composed of a sheet metal strip 21 encircling the side walls 11, 12 and a sheet metal sheet 20 embedded in the floor 10, 10' is.
- the metal strip 21 is provided with a welding flange 22 at its upper end in the figure shown here.
- the sheet metal plate 20 is welded around its edge 20 'in a liquid-tight manner by means of a weld seam 23.
- the production of the drip pan 1 proceeds as follows in the present example:
- the circumferential metal strip 21 is introduced into the prepared formwork 3 without this contacting the formwork 3.
- the sheet metal strip 21 can be provided, for example, in the region of its welding flange with suitable stop means for the attachment of ropes or the like holding means. If the circumferential sheet metal strip 21 is aligned and after a reinforcement between the formwork 3 and the sheet metal strip 21 has optionally been introduced beforehand or subsequently, the formwork 3 is up to the level of the line 13, i. H. up to the upper edge of the sheet metal strip 21, filled with fresh concrete set with a setting delay. Compression takes place in parallel or subsequently.
- the sheet 20 After filling the formwork 3 with setting delayed fresh concrete up to the level of line 13, the sheet 20 is placed, the laying being carried out so that air pockets and voids between the sheet 20 and the lower part 10 of the bottom 10, 10 'of the collecting pan 1 forming fresh concrete set with a delay in setting can be avoided.
- the two parts After this placement of the metal sheet 20 and, if necessary, congruent alignment to the circumferential sheet metal strip 21, the two parts are welded along the circumferential edge 20 'of the sheet metal plate 20 and the circumferential welding flange 22 of the sheet metal strip 21, a continuous circumferential weld seam 23 being formed.
- the metal sheet 20 can also be welded together from several partial sheets before or after being placed on it.
- a second layer of fresh concrete is applied to the upper side of the sheet metal plate 20, which fills the formwork 3 up to the height of the upper edge of the formwork part 30 '.
- the setting delay of the setting delay Fresh concrete set for the lower part of the collecting trough 1 is set so that both fresh concrete layers, ie the fresh concrete layer below line 13 and the fresh concrete layer above line 13 set essentially simultaneously. If necessary, reinforcement can also be introduced into the upper fresh concrete layer above line 13 before or when the fresh concrete is introduced. Due to the fact that all concrete layers set essentially simultaneously, a homogeneous concrete body also results in the area of line 13, which has no weak zones and therefore no tendency to form cracks.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Sewage (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Herstellen einer transportablen Fertigteil-Auffangwanne aus Beton für wassergefährdende Flüssigkeiten, gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a method for producing a portable prefabricated collecting basin made of concrete for water-polluting liquids, according to the preamble of patent claim 1.
Ein Verfahren der genannten Art ist aus der betrieblichen Praxis von Betonfertigteil-Herstellern bekannt. Die so hergestellten Fertigteil-Auffangwannen werden an einer zentralen Betriebsstätte produziert und dann an den Ort ihrer Aufstellung verbracht. Verwendet werden derartige Auffangwannen beispielsweise für Reinigungsanlagen für Kraftfahrzeuge oder Schienenfahrzeuge, insbesondere Tankwagen. Um der aus Beton hergestellten Auffangwanne die notwendige Dichtigkeit zu geben, muß deren Innenfläche, die mit wassergefährdenden Flüssigkeiten in Kontakt kommen kann, vollständig entweder mit einer flüssigen, nach dem Aufbringen aushärtenden Dichtmasse oder mit einer Edelstahlauskleidung versehen werden. Beide Abdichtungsverfahren sind sehr arbeitsintensiv und materialaufwendig und damit teuer.A method of the type mentioned is known from the operational practice of precast concrete manufacturers. The prefabricated sump trays produced in this way are produced at a central plant and then brought to the place where they are installed. Such drip pans are used, for example, for cleaning systems for motor vehicles or rail vehicles, in particular tank trucks. In order to give the drip pan made of concrete the necessary tightness, its inner surface, which can come into contact with water-polluting liquids, must be completely covered either with a liquid sealant that hardens after application or with a stainless steel lining. Both sealing methods are very labor-intensive and material-intensive and therefore expensive.
Weiterhin ist aus der DE-A- 38 09 963 ein Verfahren zum Herstellen eines wannen- oder beckenförmigen Auffangraumes für in Lagebehältern gelagerte wassergefährdende Flüssigkeiten bekannt. Mit diesem Verfahren lassen sich Auffangräume mit sehr guter Langzeit-Dichtigkeit herstellen, jedoch wird hier als nachteilig angesehen, daß dieses bekannte Verfahren sich praktisch nur für die Herstellung von Auffangräumen an Ort und Stelle, d. h. an ihrem vorgesehenen Einsatzort, eignet.Furthermore, DE-A-38 09 963 discloses a method for producing a trough-shaped or basin-shaped collecting space for water-polluting liquids stored in storage containers. With this method, collecting rooms with very good long-term tightness can be produced, but it is considered a disadvantage here that this known method is practically only for the production of collecting rooms on the spot, i. H. at their intended location.
Es stellt sich daher die Aufgabe, ein Verfahren zum Herstellen einer Auffangwanne aus Beton für wassergefährdende Flüssigkeiten anzugeben, mit welchem eine Auffangwanne herstellbar ist, die einerseits ein transportables Fertigteil ist und die andererseits eine zuverlässige Langzeit-Dichtigkeit gewährleistet und dabei kostengünstig ist.It is therefore the task of a method for producing a collecting tray made of concrete for water-polluting Specify liquids with which a drip pan can be produced, which is a portable finished part on the one hand and which on the other hand ensures reliable long-term tightness and is inexpensive.
Eine erste Lösung dieser Aufgabe gelingt erfindungsgemäß durch ein Verfahren der eingangs genannten Art mit den kennzeichnenden Merkmalen des Patentanspruchs 1.A first solution to this problem is achieved according to the invention by a method of the type mentioned at the outset with the characterizing features of patent claim 1.
Vorteilhaft wird bei dem neuen Verfahren der verwendete Beton nicht nur für statische Zwecke sondern auch als Korrosionsschutz für die in den Beton allseitig und vollflächig eingebettete, als Dichtmittel dienende Blechwanne benutzt. Eine Beschichtung der Oberfläche der Auffangwanne ist damit nicht mehr erforderlich, wodurch dieser arbeits- und kostenintensive Schritt vollkommen entfallen kann. Durch die besondere Reihenfolge der Verfahrensschritte wird gewährleistet, daß die Blechwanne ohne Hohlräume oder Lufteinschlüsse vollkommen von dem Beton umgeben wird, wodurch auch langfristig ein hervorragender Korrosionsschutz erreicht wird.In the new process, the concrete used is advantageously used not only for static purposes but also as corrosion protection for the sheet metal pan embedded on all sides and as a sealant in the concrete. A coating of the surface of the drip pan is therefore no longer necessary, which means that this labor-intensive and cost-intensive step can be completely eliminated. The special sequence of the process steps ensures that the sheet metal tray is completely surrounded by the concrete without cavities or air pockets, which also provides excellent corrosion protection in the long term.
Die Betonlagen können dabei selbstverständlich, wie üblich, mit Armierungen in bekannter Art und Weise versehen werden.The concrete layers can of course, as usual, be provided with reinforcements in a known manner.
Eine weitere Ausgestaltung der Erfindung sieht vor, daß der umlaufende Blechstreifen vor dem Verschweißen mit der Blechtafel zu der Blechwanne an seinem Oberrand mit einem Schweißflansch versehen wird, der im Einbauzustand des Blechstreifens am Ende des zweiten Verfahrensschrittes in der Ebene der freien Oberfläche des aufgefüllten, abbindeverzögert eingestellten Frischbetons liegt. Hierdurch wird zum einen der Schweißvorgang vereinfacht und es wird zum anderen ein Ausgleich von Maßtoleranzen und Lageabweichungen bei der Einbettung des Blechstreifens in den Beton der Seitenwände der Auffangwanne erreicht.A further embodiment of the invention provides that the circumferential sheet metal strip is provided with a welding flange at its upper edge prior to welding to the sheet metal plate to the sheet metal trough, which delays the setting in the installed surface of the sheet metal strip at the end of the second process step in the plane of the free surface of the filled, set set fresh concrete. On the one hand, this simplifies the welding process and, on the other hand, it compensates for dimensional tolerances and position deviations when the sheet metal strip is embedded reached in the concrete of the side walls of the sump.
Eine zweite Lösung der gestellten Aufgabe gelingt erfindungsgemäß durch ein Verfahren der eingangs genannten Art mit den kennzeichnenden Merkmalen des Patentanspruchs 5. Auch mit diesem alternativen Verfahren werden die anhand der Lösung gemäß dem Patentanspruch 1 beschriebenen Vorteile erreicht. Das Verfahren nach Anspruch 5 eignet sich dabei insbesondere für flachere Auffangwannen mit relativ niedrigen Seitenwänden, bei denen der darin eingebettete Blechstreifen der Blechwanne eine relativ geringe Höhe hat. Das Verschließen der Entlüftungsöffnung oder -öffnungen erfolgt zweckmäßig durch Aufschweißen je eines Blechdeckels. Auch eine Armierung kann hier selbstverständlich vorgesehen werden.A second solution to the stated problem is achieved according to the invention by a method of the type mentioned at the outset with the characterizing features of patent claim 5. The advantages described on the basis of the solution according to patent claim 1 are also achieved with this alternative method. The method according to claim 5 is particularly suitable for shallower drip pans with relatively low side walls, in which the sheet metal strip of the sheet metal tub embedded therein has a relatively low height. The ventilation opening or openings are expediently closed by welding on one sheet metal cover each. Reinforcement can of course also be provided here.
Die verwendete Schalung entspricht üblichen Negativ-Schalungen, wie sie bisher schon für die Herstellung von Auffangwannen verwendet werden, und ist üblicherweise auf einem Rütteltisch angeordnet, um bei oder nach dem Einbringen der verschiedenen Betonlagen die erwünschte Verdichtung zu bewirken.The formwork used corresponds to conventional negative formwork, as has been used previously for the production of drip pans, and is usually arranged on a vibrating table in order to achieve the desired compaction when or after the various concrete layers have been laid.
Im folgenden wird ein Ablaufbeispiel des Verfahrens anhand einer Zeichnung erläutert. Die einzige Figur der Zeichnung zeigt eine Auffangwanne zusammen mit einer für ihre Herstellung verwendeten Negativ-Schalung im Querschnitt.In the following an example of the procedure of the method is explained using a drawing. The only figure in the drawing shows a collecting pan together with a negative formwork used for its production in cross section.
Wie aus der Zeichnung ersichtlich ist, wird für die Herstellung der hier beispielhaft gezeigten Auffangwanne 1 eine Negativ-Schalung 3 verwendet, die aus Schalungsteilen 30, 30' und 31 zusammengesetzt ist. Die Schalungsteile 31 begrenzen die Seitenwände 11 bzw. 12 der Auffangwanne 1; der Schalungsteil 30 begrenzt den seitenwandzugewandten Teil 10 des Bodens 10, 10' der Auffangwanne 1, und der Schalungsteil 30' begrenzt seitlich nach außen den seitenwandabgewandten Teil 10' des Bodens 10, 10' der Auffangwanne 1. Wie die Figur deutlich macht, ist die Schalung 3 in einer gegenüber der späteren Normallage der Wanne um 180° gewendeten Stellung angeordnet, d. h. bei der Herstellung der Auffangwanne 1 liegt deren Boden 10, 10' oben und die Seitenwände 11, 12 erstrecken sich von dort nach unten. Dies hat den Vorteil, daß der für die Herstellung der Auffangwanne 1 benötigte Beton von der offenen, hier nach oben weisenden Unterseite der schalung 3 her eingebracht werden kann und daß zudem die Schalung 3 an ihrer hier unteren, dem späteren Innenraum der Auffangwanne 1 zugewandten Seite problemlos mit weiteren Schalungselementen, z. B. für Höcker für die Aufnahme von Fahrbahnplatten oder Schienen oder für Pumpensumpf-Vertiefungen, ausgestattet werden kann. An die in der Zeichnung obere Seite der Auffangwanne 1, die in der späteren Einbausituation die Unterseite ist, werden keine besonderen Anforderungen an die Oberflächengüte gestellt, so daß hier ein einfaches Abziehen und Glätten nach dem vollständigen Füllen der Schalung 3 genügt.As can be seen from the drawing, a
Wie die Figur weiter zeigt, ist eingebettet in den Boden 10, 10' und die Seitenwände 11, 12 eine Blechwanne 2, die aus einem durch die Seitenwände 11, 12 umlaufenden Blechstreifen 21 und einer in den Boden 10, 10' eingebetteten Blechtafel 20 zusammengesetzt ist. Zur Verbindung des Blechstreifens 21 und der Blechtafel 20 ist der Blechstreifen 21 an seinem in der hier vorliegenden Figur oberen Ende mit einem schweißflansch 22 versehen. Im Bereich dieses umlaufenden Schweißflansches 22 ist die Blechtafel 20 an ihrem Rand 20' umlaufend mittels einer Schweißnaht 23 flüssigkeitsdicht angeschweißt.As the figure further shows, embedded in the
Die Herstellung der Auffangwanne 1 läuft bei dem vorliegendem Beispiel wie folgt ab:The production of the drip pan 1 proceeds as follows in the present example:
In die vorbereitete Schalung 3 wird der umlaufende Blechstreifen 21 eingebracht, ohne daß dieser Kontakt zur Schalung 3 erhält. Der Blechstreifen 21 kann beispielsweise im Bereich seines Schweißflansches mit geeigneten Anschlagmitteln für die Anbringung von Seilen oder dergleichen Haltemitteln versehen sein. Wenn der umlaufende Blechstreifen 21 ausgerichtet ist und nachdem gegebenenfalls zuvor oder anschließend eine Armierung zwischen die Schalung 3 und den Blechstreifen 21 eingebracht worden ist, wird die Schalung 3 bis in Höhe der Linie 13, d. h. bis an die Oberkante des Blechstreifens 21 heran, mit abbindeverzögert eingestelltem Frischbeton verfüllt. Parallel dazu oder anschließend erfolgt eine Verdichtung. Nach Befüllung der Schalung 3 mit abbindeverzögert eingestelltem Frischbeton bis zum Niveau der Linie 13 wird die Blechtafel 20 aufgelegt, wobei das Auflegen so erfolgt, daß Lufteinschlüße und Hohlräume zwischen der Blechtafel 20 und dem den hier unteren Teil 10 des Bodens 10, 10' der Auffangwanne 1 bildenden abbindeverzögert eingestellten Frischbeton vermieden werden. Nach diesem Auflegen der Blechtafel 20 und gegebenenfalls erforderlichem deckungsgleichen Ausrichten zum umlaufenden Blechstreifen 21 erfolgt das Verschweißen der beiden Teile entlang des umlaufenden Randes 20' der Blechtafel 20 und des umlaufenden Schweißflansches 22 des Blechstreifens 21, wobei eine durchgehende umlaufende Schweißnaht 23 gebildet wird. Je nach Größe des Auffangraumes 1 kann die Blechtafel 20 auch aus mehreren Teil-Tafeln vor oder nach dem Auflegen zusammengeschweißt werden.The
Nach dem Schweißvorgang und nach einer gegebenenfalls vorgeschriebenen Dichtigkeitsprüfung der Verschweißung wird auf die hier obere Seite der Blechtafel 20 eine zweite Lage von Frischbeton aufgebracht, welche die Schalung 3 bis zur Höhe der Oberkante des Schalungsteils 30' ausfüllt. Die Abbindeverzögerung des abbindeverzögert eingestellten Frischbetons für den hier unteren Teil der Auffangwanne 1 ist dabei so eingestellt, daß beide Frischbetonlagen, d. h. die Frischbetonlage unterhalb der Linie 13 und die Frischbetonlage oberhalb der Linie 13 im wesentlichen gleichzeitig abbinden. Auch in die obere Frischbetonlage oberhalb der Linie 13 kann bedarfsweise eine Armierung vor oder bei dem Einbringen des Frischbetons eingebracht werden. Wegen des im wesentlichen gleichzeitig erfolgenden Abbindens aller Betonlagen ergibt sich auch im Bereich der Linie 13 ein homogener Betonkörper, der keine Schwächezonen und damit auch kein Neigung zur Rißbildung besitzt.After the welding process and after a possibly prescribed leak test of the weld, a second layer of fresh concrete is applied to the upper side of the
Claims (5)
- Process for making a prefabricated transportable concrete collecting vessel (1) for water polluting liquids wherein the collecting vessel (1) comprising several side walls (11, 12) and a bottom (10, 10') is manufactured in a negative boarding (3) which during the manufacturing process is arranged in a position turned by 180° in relation to the later normal position of the collecting vessel (1), i.e. bottom up and open at this side,
characterized by the following steps:- at least one circumferential sheet metal strip (21) arranged as a lateral retentive member in the plane of the side wall without contacting the boarding (3) is positioned in the interior of the part (30, 31) of the negative boarding (3) delimiting the side walls (11, 12) and the part (10) of the bottom (10, 10') of the collecting vessel (1) facing the side walls,- the interior of the part (30, 31) of the negative boarding (3) delimiting the side walls (11, 12) and part (10) of the bottom (10, 10') of the collecting vessel (1) facing the side walls is filled up to the upper edge of the sheet metal strip (21) while embedding the latter with unset concrete having a delayed setting quality while simultaneously or immediately thereafter ramming the unset concrete,- a sheet metal plate (20) is placed on the free surface of the unset concrete having a delayed setting quality with the contour of the plate (20) corresponding with the course of the sheet metal strip (21), and the sheet metal plate (20) along the edge (20') thereof is fluid tight welded with the sheet metal strip (21) to form a sheet metal vessel (2),- the interior of the remaining part (30') of the negative boarding (3) laterally delimiting the part (10') of the bottom (10, 10') of the collecting vessel (1) and facing away from the side is filled with unset concrete while simulaneously or immediately thereafter ramming the concrete and embedding the sheet metal plate (20), with the delay of the setting set such, that the unset concrete having a delayed setting quality substantially sets simultaneously with the unset concrete filled in last. - Process according to claim 1, characterized in that before or while filling in the unset concrete having a delayed setting quality a reinforcement spaced away from the circumferential sheet metal strip (21) is arranged in the interior of the part (30, 31) of the negative boarding (3) delimiting the side walls (11, 12) and the part (10) of the bottom (10, 10') of the collecting vessel (1) facing the side walls.
- Process according to claim 1 or 2, characterized in that before or during the final filling of the unset concrete a reinforcement spaced apart from the sheet metal plate (20) is arranged in the interior of the remaining part (30') of the negative boarding (3) laterally delimiting the part (10') of the bottom (10, 10') facing away from the side wall.
- Process according to one of the claims 1 to 3, characterized in that the circumferential sheet metal strip (21) is provided at the upper edge thereof with a welding flange (22) prior to the welding with the sheet metal plate (20), with the welding flange positioned in the plane of the free surface of the filled unset concrete having a delayed setting quality at the mounting condition of the sheet metal strip (21) at the end of the second process step.
- Process according to the preamble of patent claim 1, characterized by the following process steps:- the interior of the part (30, 31) of the negative boarding (3) delimiting the side walls (11, 12) and the part (10) of the bottom (10, 10') of the collecting vessel (1) facing the side walls is filled with unset concrete up to a level corresponding with a required index level of a bottom retentive member to be embedded in the unset concrete,- a prefabricated sheet metal vessel (2) is positioned at the free surface of the filled unset concrete with the sheet metal vessel comprising a bottom formed of at least one sheet metal plate (20) with the bottom comprising at least one vent opening and positoned at the top, with the sheet metal vessel comprising a downward pointing circumferential sheet metal strip (21), and the sheet metal vessel (2) is pressed and/or jolted into the filled unset concrete up to the full contact of the sheet metal plate (20) forming the bottom of the vessel,- the vent opening is closed fluid tight,- the interior of the remaining part (30') of the negative boarding (3) laterally delimiting the part (10') of the bottom (10, 10') of the collecting vessel (1) facing away from the side wall is filled with unset concrete while simultaneously or immediately thereafter ramming and embedding the sheet metal plate (20) of the sheet metal vessel (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4112924A DE4112924C1 (en) | 1991-04-19 | 1991-04-19 | |
| DE4112924 | 1991-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0509209A1 EP0509209A1 (en) | 1992-10-21 |
| EP0509209B1 true EP0509209B1 (en) | 1994-07-27 |
Family
ID=6429989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92102803A Expired - Lifetime EP0509209B1 (en) | 1991-04-19 | 1992-02-20 | Process for making a prefabricated concrete collecting vessel for water polluting liquids |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0509209B1 (en) |
| AT (1) | ATE109103T1 (en) |
| DE (2) | DE4112924C1 (en) |
| DK (1) | DK0509209T3 (en) |
| ES (1) | ES2057933T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2379902B (en) * | 2001-09-25 | 2004-09-01 | David Wright | Hollow-core floor slabs |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2895207A (en) * | 1954-04-30 | 1959-07-21 | Robert N Johnson | Apparatus for molding burial vault domes |
| SE220313C1 (en) * | 1966-03-02 | 1968-04-30 | ||
| FR1560149A (en) * | 1968-04-19 | 1969-03-14 | ||
| DE3809963A1 (en) * | 1988-03-24 | 1989-10-05 | Friedhelm Quinting | Collecting chamber for fluids which are stored in storage tanks and constitute a hazard for water, and process for producing a collecting chamber |
| US4991613A (en) * | 1989-11-06 | 1991-02-12 | Eastman Kodak Company | Method for storing a hazardous liquid |
-
1991
- 1991-04-19 DE DE4112924A patent/DE4112924C1/de not_active Expired - Lifetime
-
1992
- 1992-02-20 ES ES92102803T patent/ES2057933T3/en not_active Expired - Lifetime
- 1992-02-20 DK DK92102803.1T patent/DK0509209T3/en active
- 1992-02-20 DE DE59200309T patent/DE59200309D1/en not_active Expired - Fee Related
- 1992-02-20 EP EP92102803A patent/EP0509209B1/en not_active Expired - Lifetime
- 1992-02-20 AT AT92102803T patent/ATE109103T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2057933T3 (en) | 1994-10-16 |
| DE4112924C1 (en) | 1992-04-23 |
| DE59200309D1 (en) | 1994-09-01 |
| ATE109103T1 (en) | 1994-08-15 |
| EP0509209A1 (en) | 1992-10-21 |
| DK0509209T3 (en) | 1995-03-27 |
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