EP0233989B1 - Barbed hooks for a sealing joint - Google Patents
Barbed hooks for a sealing joint Download PDFInfo
- Publication number
- EP0233989B1 EP0233989B1 EP86112602A EP86112602A EP0233989B1 EP 0233989 B1 EP0233989 B1 EP 0233989B1 EP 86112602 A EP86112602 A EP 86112602A EP 86112602 A EP86112602 A EP 86112602A EP 0233989 B1 EP0233989 B1 EP 0233989B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- profiles
- head
- seal
- sealing
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 14
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 8
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000002689 soil Substances 0.000 claims abstract description 5
- -1 for example Substances 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
Definitions
- the invention relates to a diaphragm wall for the vertical sealing of liquid-bearing and / or gas-bearing layers, in particular for sealing contaminated layers of earth, wherein a slot is first introduced into the soil up to an impermeable horizontal layer, which is filled with a mass such as bentonite and a seal is sunk therein , which is composed of several sheets, which are connected to each other at the joints by a lock consisting of two interlocking profiles, one of which has a barbed tip.
- Darartge diaphragm walls are used in everything for the sealing of landfills or in the sealing of liquid-holding containers or liquid-carrying lines or bends. As a rule, it is a prerequisite that there is a natural barrier layer below the area to be sealed laterally. Clay layers often occur as natural barrier layers. The diaphragm walls are then excavated to the side of the area to be sealed down to the clay layer underneath and at the same time filled with thixotropic mass. Bentonite is preferably used as the thixotropic mass. Bentonite itself forms a certain seal. To achieve a clear seal, however, an extremely thick bentonite layer is not required or the thin layer made of bentonite must be provided with an additional seal.
- the waterproofing membranes have a width between 1 m and 2.5 m. Even if even larger sheets can be produced, the question arises of connecting the individual sealing sheets together to form a longer seal for a diaphragm wall.
- the common connection technology is a welding process. A sealing membrane created in this way is difficult to handle if it exceeds a certain length. Therefore, connections with a lock are provided at intervals of 1 to 3 m. Locks of this type are formed by profiles which can be pushed into one another. The profiles can be molded or welded on. The interlocking profiles form a kind of tongue and groove. The seal between the interlocking profiles is formed purely mechanically, i. H. By choosing a suitable socket, the interlocking profiles are so tight that hardly any liquid can penetrate between them.
- the invention is therefore based on the object of improving the seal in the known lock.
- the object is achieved in that the one profile of the lock has a central, two barbed tip and parallel and symmetrical to this each has a barbed tip and the other profile of the lock with two symmetrical, the central tip the first profile corresponding tip is provided and the two profiles interlock so that the seal is formed purely mechanically, the nested profiles so tight that hardly any liquid can penetrate between them.
- the tips arranged next to one another are preferably of identical design. It is also advantageous to give the two corresponding profiles the same tips. Then there are two peaks arranged next to one another on the one profile, while the corresponding profile has a central tip and two half peaks arranged thereon.
- the profile provided with the central tip has a channel extending in the longitudinal direction through the profile for pressing sealants.
- the tips 10 and 11 leave recesses 12 between them which show the cross section of the corresponding profile.
- the corresponding profile therefore has two tips with which it is pushed between the tips 10 and 11. All tips are the same in cross-section, with the difference that the tips 11 would only complement one another if they were put together.
- the profile is made by pressing or extrusion. In the manufacture of the tool for pressing or extruding, according to the invention, the tips with the barbs are made somewhat larger than the corresponding designs. This ensures that the profiles are pushed together.
- the profile has a channel for pressing sealants. This is designated 13 and connected to the recesses 12 via openings shown in dashed lines.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Building Environments (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Revetment (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Description
Dei Erfindung betrifft eine Schlitzwand zur Vertikalabdichtung von flüssigkeitsführenden und/ oder gasführenden Schichten, insbesondere zur Abdichtung kontaminierter Erdschichten, wobei in das Erdreich zunächst ein Schlitz bis zu einer undurchlässigen Horizontalschicht eingebracht wird, diese mit einer Masse wie beispielsweise Bentonit verfüllt und darin eine Abdichtung versenkt wird, die aus mehreren Bahnen zusammengesetzt ist, welche an den Stoßstellen durch ein Schloß miteinander verbunden werden, das aus zwei ineinandergreifenden Profilen besteht, von denen eines eine mit Widerhaken versehene Spitze aufweist.The invention relates to a diaphragm wall for the vertical sealing of liquid-bearing and / or gas-bearing layers, in particular for sealing contaminated layers of earth, wherein a slot is first introduced into the soil up to an impermeable horizontal layer, which is filled with a mass such as bentonite and a seal is sunk therein , which is composed of several sheets, which are connected to each other at the joints by a lock consisting of two interlocking profiles, one of which has a barbed tip.
Darartge Schlitzwände finden von allem bei der Abdichtung von Deponien oder bei der Abdichtung von flüssigkeitshaltenden Behältnissen oder flüssigkeitsführenden Leitungen bzw. Knälen Anwendung. Voraussetzung ist in der Regel, daß sich unterhalb des seitlich abzudichtenden Bereiches eine natürliche Sperrschicht befindet. Als natürliche Sperrschichten kommen häufig Tonschichten vor. Die Schlitzwände werden dann seitlich des abzudichtenden Bereiches bis in die darunterliegende Tonschicht ausgehoben und gleichzeitig mit thixotroper Masse verfüllt. Als thixotrope Masse kommt vorzugsweise Bentonit zur Anwendung. Bentonit bildet zwar schon aus sich heraus eine gewisse Abdichtung Zur Erzielung einer deutlichen Abdichtung ist jedoch endweder eine ausgesprochen dicke Bentonitschicht erforderlich oder muß die aus Bentonit bestehende dünne Schicht mit einer zusätzlichen Abdichtung versehen werden. Dazu ist bekannt, Abdichtungsbahnen in die Bentonitschicht abzusenken. Die Abdichtungsbahnen haben eine Breite zwischen 1 m und 2,5 m. Auch wenn noch größere Bahnen produxiert werden können, stellt sich die Frage, die einzelnen Abdichtungsbahnen zu einer längeren Abdichtung für eine Schlitzwand miteinander zu verbinden. Die gebräuchliche Verbindungstechnik ist ein Schweißvorgang. Eine so entstandene Abdichtungsbahn läßt sich nur schwer handhaben, wenn sie eine gewisse Länge überschreitet. Deshalb sind in Abständen von 1 bis 3 m Verbindungen mit einem Schloß vorgesehen. Derartige Schlösser werden durch ineinanderstreckbare Profile gebildet. Die Profile können angeformt oder angeschweißtsein. Die ineinanderstreckbaren Profile bilden eine Art Nut und Feder. Die Abdichtung zwischen den ineinandersteckbaren Profilen wird rein mechanisch gebildet, d. h. durch die Wahl einer geeigneten Fassung sitzen die ineinandersteckbaren Profile so stramm, daß zwischen diesen Profilen kaum Flüssigkeit hindurchdringen kann.Darartge diaphragm walls are used in everything for the sealing of landfills or in the sealing of liquid-holding containers or liquid-carrying lines or bends. As a rule, it is a prerequisite that there is a natural barrier layer below the area to be sealed laterally. Clay layers often occur as natural barrier layers. The diaphragm walls are then excavated to the side of the area to be sealed down to the clay layer underneath and at the same time filled with thixotropic mass. Bentonite is preferably used as the thixotropic mass. Bentonite itself forms a certain seal. To achieve a clear seal, however, an extremely thick bentonite layer is not required or the thin layer made of bentonite must be provided with an additional seal. For this purpose, it is known to lower sealing sheets into the bentonite layer. The waterproofing membranes have a width between 1 m and 2.5 m. Even if even larger sheets can be produced, the question arises of connecting the individual sealing sheets together to form a longer seal for a diaphragm wall. The common connection technology is a welding process. A sealing membrane created in this way is difficult to handle if it exceeds a certain length. Therefore, connections with a lock are provided at intervals of 1 to 3 m. Locks of this type are formed by profiles which can be pushed into one another. The profiles can be molded or welded on. The interlocking profiles form a kind of tongue and groove. The seal between the interlocking profiles is formed purely mechanically, i. H. By choosing a suitable socket, the interlocking profiles are so tight that hardly any liquid can penetrate between them.
Gleichwohl kann und bestimmten Umständen noch eine Leckage auftreten. Der Erfindung liegt daher die Aufgabe zugrunde, die Abdichtung bei dem bekannten Schloß zu verbessern.Nevertheless, leakage can still occur in certain circumstances. The invention is therefore based on the object of improving the seal in the known lock.
Zwar ist aus der EP-A-0 129 275 ein Schloß mit mehreren nebeneinander angeordneten Spitzen bekannt. Diesem Schloß kann eine Labyrinthwirkung zugeordnet werden.A lock with several juxtaposed tips is known from EP-A-0 129 275. A labyrinth effect can be assigned to this castle.
Nach der Erfindung wird die Lösung der Aufgabe dadurch erreicht, daß das eine Profil des Schlosses eine mittlere, zwei Widerhaken aufweisen Spitze sowie parallel und symmetrisch zu dieser je eine einen Widerhaken aufweisende Spitze besitzt und das andere Profil des Schlosses mit zwei symmetrischen, der mittleren Spitze des ersten Profiles entsprechenden Spitze versehen ist und die beiden Profile so ineinandergreifen, daß die Abdichtung rein mechanisch gebildet wird, wobei die ineinandergesteckten Profile so stramm sitzen, daß zwischen diesen kaum Flüssigkeit hindurchdringen kann.According to the invention, the object is achieved in that the one profile of the lock has a central, two barbed tip and parallel and symmetrical to this each has a barbed tip and the other profile of the lock with two symmetrical, the central tip the first profile corresponding tip is provided and the two profiles interlock so that the seal is formed purely mechanically, the nested profiles so tight that hardly any liquid can penetrate between them.
Vorzugsweise sind die nebeneinander angeordneten Spitzen gleich ausgebildet. Ferner ist es von Vorteil, beiden miteinander korrespondierenden Profilen gleiche Spitzen zu geben. Dann ergeben sich an dem einen Profil zwei nebeneinander angeordnete Spitzen, während das korrespondierende Profil eine mittlere Spitze und zwei dabenen angeordnete halbe Spitzen aufweist.The tips arranged next to one another are preferably of identical design. It is also advantageous to give the two corresponding profiles the same tips. Then there are two peaks arranged next to one another on the one profile, while the corresponding profile has a central tip and two half peaks arranged thereon.
In weiterer Ausbildung der Erfindung besitzt das mit der mittleren Spitze versehene Profil einen sich in Längsrichtung durch das Profil erstreckenden Kanal zum Verpressen von Dichtungsmitteln.In a further embodiment of the invention, the profile provided with the central tip has a channel extending in the longitudinal direction through the profile for pressing sealants.
In der Zeichnung ist ein Aurführungsbeispiel der Erfindung dargestellt.An exemplary embodiment of the invention is shown in the drawing.
Die zeigt ein Profil mit einer mittleren Spitze 10 und zwei halben, daneben angeorneten Spitzen 11. Die Spitzen 10 und 11 lassen zwischen sich Ausnehmungen 12 frei, die den Querschnitt des korrespondierenden Profiles zeigen. Das korrespondierende Profil besitzt demnach zwei Spitzen, mit denen es zwischen die Spitzen 10 und 11 geschoben wird. Alle Spitzen sind im Querschnitt gleich mit dem Unterschied, daß die Spitzen 11 sich erst durch Aneinandersetzen zu einer gleichen Spitze ergänzen würden. Das Profil wird durch Anpressen bzw. Extrudieren hergestellt. Bei der Herstellung des Werkzeuges zum Pressen bzw. Extrudieren sind nach der Erfindung die Spitzen mit den Widerhaken etwas größer ausgebildet als die korrespondierenden Ausbildungen. Das sichert das Ineinanderschieben der Profile.This shows a profile with a
Das Profil besitzt einen Kanal zum Verpressen von Dichtmitteln. Dieser ist mit 13 bezeichnet und über gestrichelt dargestellte Öffnungen mit den Ausnehmungen 12 verbunden.The profile has a channel for pressing sealants. This is designated 13 and connected to the
Claims (1)
- Curtain wall for the vertical sealing of liquid- bearing and/or gas-bearing layers, especially for sealing contaminated soil strata, wherein at least one trench is formed in the soil down to an impermeable horizontal stratum, this is filled with a material such as, for example, bentonite and a seal, which is composed of several sealing sheets which are connected together at the joints by a lock, is lowered thereinto, the lock consisting of two profiles, one of which engages with a head (10, 11) equipped with barbs into the other profile, characterized in that the one profile possesses a central head (10), having two barbs, and, parallel to and symmetrical about this head, heads (11) each possessing one barb, and the other profile is provided with two symmetrical heads corresponding to the central head of the first profile, and the two profiles so engage one into the other that the seal is formed purely mechanically, the interlocked profiles sitting so tightly together that scarcely any liquid can penetrate between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT86112602T ATE51916T1 (en) | 1986-02-28 | 1986-09-11 | BARB FOR LOCK CONNECTION. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863606552 DE3606552A1 (en) | 1986-02-28 | 1986-02-28 | BARRIERS FOR CASTLE CONNECTION |
| DE3606552 | 1986-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0233989A1 EP0233989A1 (en) | 1987-09-02 |
| EP0233989B1 true EP0233989B1 (en) | 1990-04-11 |
Family
ID=6295181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP86112602A Expired - Lifetime EP0233989B1 (en) | 1986-02-28 | 1986-09-11 | Barbed hooks for a sealing joint |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0233989B1 (en) |
| AT (1) | ATE51916T1 (en) |
| DE (2) | DE3606552A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4140200A1 (en) * | 1991-12-03 | 1993-06-09 | Noell Gmbh, 8700 Wuerzburg, De | Vertical roller blind-type sealing for contaminated earth or waste dump - has wall elements with sealing edges in sealing track between guide pillars |
| DE4311948A1 (en) * | 1992-11-30 | 1994-06-01 | Roedel Andreas | Liquid-tight lock for interconnected plastic sheets forming a sealing wall |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8620410U1 (en) * | 1986-07-30 | 1986-09-18 | Hüls Troisdorf AG, 53840 Troisdorf | Multi-part connection profile for a diaphragm wall seal |
| DE4343851C1 (en) * | 1993-12-22 | 1995-06-29 | Bauer Spezialtiefbau | Reinforced concrete underground curtain |
| DE10107374C1 (en) * | 2001-02-16 | 2002-10-24 | Georg Wall | Lock joint for piles has channel section on one pile to receive rail on adjacent pile and with fluid expanded seal inside channel |
| FI128323B (en) | 2011-11-28 | 2020-03-31 | Rautaruukki Oyj | Tongue and groove connector, pile and pile wall |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR402935A (en) * | 1908-05-12 | 1909-10-20 | John Isaac Mcgill | Improvements to metal pilings |
| FR432351A (en) * | 1911-07-19 | 1911-12-05 | D Ougree Marihaye | Metal sheet piles |
| US1721643A (en) * | 1927-08-11 | 1929-07-23 | Shulman Max | Metal sheet piling |
| US4182087A (en) * | 1978-04-24 | 1980-01-08 | Esther Williams Swimming Pools | Swimming pool |
| NL8301918A (en) * | 1983-05-31 | 1984-12-17 | Nico Gerhard Cortlever | FILM WALL FORMING A WATERPROOF SCREEN IN THE GROUND AND METHOD FOR APPLICATION THEREOF. |
-
1986
- 1986-02-28 DE DE19863606552 patent/DE3606552A1/en not_active Withdrawn
- 1986-09-11 AT AT86112602T patent/ATE51916T1/en not_active IP Right Cessation
- 1986-09-11 DE DE8686112602T patent/DE3670325D1/en not_active Expired - Lifetime
- 1986-09-11 EP EP86112602A patent/EP0233989B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4140200A1 (en) * | 1991-12-03 | 1993-06-09 | Noell Gmbh, 8700 Wuerzburg, De | Vertical roller blind-type sealing for contaminated earth or waste dump - has wall elements with sealing edges in sealing track between guide pillars |
| DE4311948A1 (en) * | 1992-11-30 | 1994-06-01 | Roedel Andreas | Liquid-tight lock for interconnected plastic sheets forming a sealing wall |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3606552A1 (en) | 1987-09-03 |
| DE3670325D1 (en) | 1990-05-17 |
| EP0233989A1 (en) | 1987-09-02 |
| ATE51916T1 (en) | 1990-04-15 |
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