EP0016727B1 - Interconnecting stone blocks, especially for protecting slopes and river beds - Google Patents

Interconnecting stone blocks, especially for protecting slopes and river beds Download PDF

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Publication number
EP0016727B1
EP0016727B1 EP80810079A EP80810079A EP0016727B1 EP 0016727 B1 EP0016727 B1 EP 0016727B1 EP 80810079 A EP80810079 A EP 80810079A EP 80810079 A EP80810079 A EP 80810079A EP 0016727 B1 EP0016727 B1 EP 0016727B1
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EP
European Patent Office
Prior art keywords
projecting
sides
base element
anchoring part
anchoring
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
Application number
EP80810079A
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German (de)
French (fr)
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EP0016727A1 (en
Inventor
Rolf Scheiwiller
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Individual
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Individual
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Publication date
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Priority to AT80810079T priority Critical patent/ATE782T1/en
Publication of EP0016727A1 publication Critical patent/EP0016727A1/en
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    • 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
    • E02D29/02—Retaining or protecting walls
    • E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated

Definitions

  • the present invention relates to a kit of composite stones, in particular for slope stabilization and river bed construction, consisting of basic elements with a continuous opening, with two opposite long sides, each with a protruding from the plane of these long sides at each corner and two opposite broad sides, each with an anchoring part running parallel to the long sides.
  • slope stabilization elements bank fortifications and composite stones which can be used as slope elements are known.
  • the element needs a number of ribs to absorb the lateral forces, i.e. the weight of the elements above and the soil.
  • each anchoring part protrudes from the side walls of the base element and is provided with protrusions arranged on both sides at its ends, essentially perpendicular to the plane of the long sides, each with a protrusion of an anchoring part and a protrusion in the installed state a long side of a first base element engages behind a projection of a long side or a projection of an anchoring part of an adjacent base element.
  • a polygonal, essentially hexagonal base element 1 can be seen in FIG. 1, with a hexagonal, continuous opening 2 and longitudinal sides 3 and 4, each of which has a conical projection 5 on both sides.
  • the broad side 6 consists of two side walls 8 and an anchoring part 9 running parallel to the long sides.
  • the anchoring parts 9 have a conical projection 10 on both sides, which are directed like the protrusions 5 on the long sides.
  • the two side walls 8 form an obtuse angle on the broad side.
  • the anchoring part 9 is also provided with a longitudinal channel 11, the meaning of which can be seen from FIG.
  • FIG 2 a number of assembled elements 1 are shown, wherein it can be seen that in each case a projection 10 on the anchoring part 9 and a projection 5 on the long side 3 or 4 behind a projection 5 on the long side 3 or 4 and behind a projection 10 on one Grab anchoring part of an adjacent element and thereby effect an anchoring.
  • this construction means that the projections only have to absorb the longitudinal forces, while the weight of the elements and of the soil located in the opening is essentially absorbed by the broad sides.
  • a trapezoidal end element 12 can be provided, which has two projections 13 on the shorter long side. The opening of the element can be filled with soil and planted.
  • ground anchors which consist of a concrete post 14 with a rectangular cross-section and each have an iron rod 15 and 16 at their ends, which protrudes on both sides to a certain length, the rods being perpendicular to one another.
  • One rod 15 fits into the channel 11 of the anchoring part, while the other rod 16 effects additional anchoring of the ground anchor.
  • the pile can have a conical thickening, the recess 22 on the anchoring part 9 having to be correspondingly conical.
  • FIG. 3 shows the use of such elements in the river bed construction, the river bed 17 with the embankment 18 being shown in section.
  • the assembled elements 1 and the end elements 12 at the upper edge can be seen therein.
  • Rectangular concrete blocks 19 serve on the one hand as a breakwater and on the other hand as additional anchoring. It is possible to make these concrete blocks longer and to anchor them in the river bed.
  • floors 20 in the openings of the basic elements 1 these floors either having longitudinal strips 21 or other handles such as depressions or cams to facilitate their handling and insertion. In this context, it is also conceivable to use these floors for slope stabilization if no soil or only a very small depth of the soil is desired.
  • the elements can be used both for slope protection and for river lining, but it is also possible to use these elements for the construction of partition walls or the like, for example in front of single-family houses or terraced houses. Since the weight is essentially transmitted from the broad sides, it is possible to stack these elements on top of one another in accordance with the structure of FIG.
  • honeycomb-shaped, hexagonal structure of the elements is particularly advantageous and aesthetically particularly satisfactory
  • another, essentially rectangular shape can also be used in the context of this invention, the opening being rectangular and the side walls of the broad sides being perpendicular to the long sides. But it is also possible to make the opening 2 and the outer surfaces rounded or curved.

Abstract

1. Set of interlocking stones, more particularly for the strengthening of slopes and the building of riverbeds, comprising base elements (1) having through openings (2), two opposite long sides (3, 4) each provided at its extremities with a part projecting beyond the plane of said long sides (3, 4) and two opposite broad sides (6, 7) each with an anchoring part (9) extending in parallel with the long sides (3, 4), characterized in that each anchoring part (9) projects beyond the side walls of the base element (1), said anchoring part being provided on both sides, at its extremities, with projecting parts (10) substantially perpendicular to the plane of the long sides (3, 4), and in that, whilst in the built-in condition, a projecting part (10) of an anchoring part (9) of a first base element (1) catches behind a projecting part (5) of a long side (3, 4) of an adjoining base element (1) and at the same time a projecting part (5) of a long side (3, 4) of the first base element catches behind a projecting part (10) of the adjoining base element (1).

Description

Die vorliegende Erfindung bezieht sich auf einen Bausatz aus Verbundsteinen, insbesondere für die Hangsicherung und Flussbettverbauung, bestehend aus Grundelementen mit durchgehender Öffnung, mit zwei sich gegenüberliegenden Längsseiten mit je einem aus der Ebene dieser Längsseiten herausragenden Vorsprung an jeder Ecke und zwei sich gegenüberliegenden Breitseiten mit je einem parallel zu den Längsseiten verlaufenden Verankerungsteil.The present invention relates to a kit of composite stones, in particular for slope stabilization and river bed construction, consisting of basic elements with a continuous opening, with two opposite long sides, each with a protruding from the plane of these long sides at each corner and two opposite broad sides, each with an anchoring part running parallel to the long sides.

Es sind eine Vielzahl von Hangsicherungselementen, Uferbefestigungen und als Böschungselemente verwendbare Verbundsteine bekannt. So ist aus der FR-A-2 184 323 ein eingangs erwähnter Bausatz bekannt, dessen Verankerungsteil jedoch nicht genügend ausgebildet ist, um für eine Bachbettverbauung wirksam zu sein. Die Verankerung muss daher zusätzlich mit Stiften bewerkstelligt werden, die in Öffnungen hineinragen. Ausserdem benötigt das Element eine Anzahl Rippen, um die Querkräfte, das heisst das Gewicht der darüberliegenden Elemente und des Erdreiches aufzunehmen.A large number of slope stabilization elements, bank fortifications and composite stones which can be used as slope elements are known. FR-A-2 184 323, for example, discloses a kit mentioned at the outset, but the anchoring part is not sufficiently designed to be effective for a streambed cladding. The anchoring must therefore also be accomplished with pins that protrude into openings. In addition, the element needs a number of ribs to absorb the lateral forces, i.e. the weight of the elements above and the soil.

Es ist demgegenüber Aufgabe der Erfindung, einen Bausatz aus Verbundsteinen anzugeben, dessen Grundelemente ausgebildet sind, eine verbesserte Verankerung zu gewährleisten und die mit einer einfacheren und wirtschaftlich günstigeren Struktur die Querkräfte aufnehmen können. Diese Aufgabe wird mit einem in den Ansprüchen beschriebenen Bausatz gelöst.In contrast, it is an object of the invention to provide a kit made of composite blocks, the basic elements of which are designed to ensure improved anchoring and which can absorb the transverse forces with a simpler and more economical structure. This object is achieved with a kit described in the claims.

Der Bausatz nach der Erfindung ist dadurch gekennzeichnet, dass jeder Verankerungsteil aus den Seitenwänden des Grundelementes herausragt und mit beidseitig an seinen Enden angeordneten, im wesentlichen senkrecht zur Ebene der Längsseiten verlaufenden Vorsprüngen versehen ist, wobei im eingebauten Zustand jeweils ein Vorsprung eines Verankerungsteils und ein Vorsprung einer Längsseite eines ersten Grundelementes einen Vorsprung einer Längsseite bzw. einen Vorsprung eines Verankerungsteils eines benachbarten Grundelementes hintergreift.The kit according to the invention is characterized in that each anchoring part protrudes from the side walls of the base element and is provided with protrusions arranged on both sides at its ends, essentially perpendicular to the plane of the long sides, each with a protrusion of an anchoring part and a protrusion in the installed state a long side of a first base element engages behind a projection of a long side or a projection of an anchoring part of an adjacent base element.

Die Erfindung wird im folgenden anhand einer Zeichnung eines Ausführungsbeispiels näher erläutert werden. Es zeigen

  • Figur 1, in perspektivischer Sicht, ein Grundelement,
  • Figur 2, in Ansicht, mehrere zusammengebaute Elemente,
  • Figur 3, in perspektivischer Sicht und in verkleinertem Massstab, eine Bachbettverbauung, und
  • Figur 4, in einer Sicht von vorne, zwei Grundelemente mit einer Verankerung.
The invention will be explained in more detail below with the aid of a drawing of an exemplary embodiment. Show it
  • FIG. 1, in a perspective view, a basic element,
  • FIG. 2, in view, several assembled elements,
  • Figure 3, in perspective and on a reduced scale, a stream bed construction, and
  • Figure 4, in a view from the front, two basic elements with an anchor.

Man erkennt in Figur 1 ein polygonales, im wesentlichen sechs-eckiges Grundelement 1, mit einer sechs-eckigen, durchgehenden Öffnung 2 und Längsseiten 3 und 4, die an beiden Seiten je einen konischen Vorsprung 5 aufweisen. Die Breitseite 6 besteht aus zwei Seitenwänden 8 und einem parallel zu den Längsseiten verlaufenden Verankerungsteil 9. Die Verankerungsteile 9 weisen beidseitig einen konischen Vorsprung 10 auf, die gleich den Vorsprüngen 5 an den Längsseiten gerichtet sind.A polygonal, essentially hexagonal base element 1 can be seen in FIG. 1, with a hexagonal, continuous opening 2 and longitudinal sides 3 and 4, each of which has a conical projection 5 on both sides. The broad side 6 consists of two side walls 8 and an anchoring part 9 running parallel to the long sides. The anchoring parts 9 have a conical projection 10 on both sides, which are directed like the protrusions 5 on the long sides.

Wie aus der Figur ersichtlich, schliessen die beiden Seitenwände 8 der Breitseite einen stumpfen Winkel ein. Das Verankerungsteil 9 ist ferner mit einer Längsrinne 11 versehen, deren Bedeutung aus Figur 4 hervorgeht.As can be seen from the figure, the two side walls 8 form an obtuse angle on the broad side. The anchoring part 9 is also provided with a longitudinal channel 11, the meaning of which can be seen from FIG.

In Figur 2 sind eine Anzahl zusammengebauter Elemente 1 dargestellt, wobei ersichtlich ist, dass jeweils ein Vorsprung 10 am Verankerungsteil 9 und ein Vorsprung 5 an der Längsseite 3 oder 4 hinter einem Vorsprung 5 an der Längsseite 3 oder 4 und hinter einem Vorsprung 10 an einem Verankerungsteil eines benachbarten Elementes greifen und dadurch eine Verankerung bewirken. Dabei ist ersichtlich, dass diese Konstruktion bewirkt, dass die Vorsprünge lediglich die Längskräfte aufnehmen müssen, während das Gewicht der Elemente sowie des in der Öffnung sich befindlichen Erdreiches im wesentlichen von den Breitseiten aufgenommen wird. Falls ein ebener Abschluss gewünscht wird, kann ein trapezförmiges Abschlusselement 12 vorgesehen werden, das auf der kürzeren Längsseite zwei Vorsprünge 13 aufweist. Die Öffnung des Elementes kann mit Erdreich gefüllt und bepflanzt werden.In Figure 2, a number of assembled elements 1 are shown, wherein it can be seen that in each case a projection 10 on the anchoring part 9 and a projection 5 on the long side 3 or 4 behind a projection 5 on the long side 3 or 4 and behind a projection 10 on one Grab anchoring part of an adjacent element and thereby effect an anchoring. It can be seen that this construction means that the projections only have to absorb the longitudinal forces, while the weight of the elements and of the soil located in the opening is essentially absorbed by the broad sides. If a flat end is desired, a trapezoidal end element 12 can be provided, which has two projections 13 on the shorter long side. The opening of the element can be filled with soil and planted.

Je nach Beschaffenheit des Geländes kann es notwendig werden, Elemente zu verankern, wobei dies auf die verschiedenste Weise geschehen kann. So können beispielsweise geeignet gebogene Verankerungen aus Armierungsstahl verwendet werden oder längs in den Rinnen 11 verlaufende Armierungsstäbe, die mittels Querstäben, die durch Pflöcke oder dergleichen im Boden verankert werden, gehalten werden. Es können auch Erdanker gemäss Figur 4 verwendet werden, die aus einem Betonpfahl 14 mit rechteckigem Querschnitt bestehen und an ihren Enden je einen Eisenstab 15 und 16 aufweisen, der beidseitig auf eine gewisse Länge herausragt, wobei die Stäbe senkrecht aufeinander stehen. Der eine Stab 15 passt in die Rinne 11 des Verankerungsteils, während der andere Stab 16 eine zusätzliche Verankerung des Erdankers bewirkt. Anstelle des vorderen Stabes 15 kann der Pfahl eine konische Verdickung aufweisen, wobei die Aussparung 22 am Verankerungsteil 9 entsprechend konisch ausgebildet sein muss.Depending on the nature of the terrain, it may be necessary to anchor elements, and this can be done in a variety of ways. For example, appropriately curved reinforcements made of reinforcing steel can be used, or reinforcing rods running longitudinally in the channels 11, which are held by means of transverse rods which are anchored in the ground by pegs or the like. It is also possible to use ground anchors according to FIG. 4, which consist of a concrete post 14 with a rectangular cross-section and each have an iron rod 15 and 16 at their ends, which protrudes on both sides to a certain length, the rods being perpendicular to one another. One rod 15 fits into the channel 11 of the anchoring part, while the other rod 16 effects additional anchoring of the ground anchor. Instead of the front rod 15, the pile can have a conical thickening, the recess 22 on the anchoring part 9 having to be correspondingly conical.

In Figur 3 ist die Verwendung von solchen Elementen bei der Flussbettverbauung dargestellt, wobei das Flussbett 17 mit der Böschung 18 im Schnitt dargestellt ist. Man erkennt darin die zusammengefügten Elemente 1 und am oberen Rand die Abschlusselemente 12. Quaderförmige Betonblöcke 19 dienen einerseits als Wellenbrecher und andererseits als zusätzliche Verankerung. Dabei ist es möglich, diese Betonblöcke länger zu machen und im Flussbett zu verankern. Um ein Ausspülen des Bodens zu verhindern, kann es zweckmässig sein, Böden 20 in die Öffnungen der Grundelemente 1 zu stellen, wobei diese Böden entweder längslaufende Leisten 21 oder auch andere Griffe wie Vertiefungen oder Nocken aufweisen können, um deren Handhaben und Einsetzen zu erleichtern. Es ist in diesem Zusammenhange durchaus denkbar, diese Böden auch bei einer Hangsicherung zu verwenden, falls kein Erdreich oder nur eine sehr geringe Tiefe des Erdreichs gewünscht wird.FIG. 3 shows the use of such elements in the river bed construction, the river bed 17 with the embankment 18 being shown in section. The assembled elements 1 and the end elements 12 at the upper edge can be seen therein. Rectangular concrete blocks 19 serve on the one hand as a breakwater and on the other hand as additional anchoring. It is possible to make these concrete blocks longer and to anchor them in the river bed. To prevent the floor from washing out, it may be expedient to place floors 20 in the openings of the basic elements 1, these floors either having longitudinal strips 21 or other handles such as depressions or cams to facilitate their handling and insertion. In this context, it is also conceivable to use these floors for slope stabilization if no soil or only a very small depth of the soil is desired.

Wie aus der vorhergehenden Beschreibung ersichtlich ist, sind die Elemente sowohl für eine Hangsicherung als auch für eine Flussverbauung brauchbar, es ist jedoch auch möglich, diese Elemente für den Bau von Trennwänden oder dergleichen, beispielsweise vor Einfamilienhäusern oder Reihenhäusern zu verwenden. Da das Gewicht im wesentlichen von den Breitseiten übertragen wird, ist ein Übereinanderstellen gemäss dem Aufbau von Figur 2 mit diesen Elementen möglich.As can be seen from the preceding description, the elements can be used both for slope protection and for river lining, but it is also possible to use these elements for the construction of partition walls or the like, for example in front of single-family houses or terraced houses. Since the weight is essentially transmitted from the broad sides, it is possible to stack these elements on top of one another in accordance with the structure of FIG.

Obwohl die wabenförmige, sechseckige Struktur der Elemente besonders vorteilhaft und ästhetisch besonders befriedigend ist, kann im Rahmen dieser Erfindung auch eine andere, im wesentlichen rechteckige Form verwendet werden, wobei die Öffnung rechteckig und die Seitenwände der Breitseiten senkrecht auf die Längsseiten stehen. Es ist aber auch möglich, die Öffnung 2 und die Aussenflächen abgerundet oder geschwungen zu gestalten.Although the honeycomb-shaped, hexagonal structure of the elements is particularly advantageous and aesthetically particularly satisfactory, another, essentially rectangular shape can also be used in the context of this invention, the opening being rectangular and the side walls of the broad sides being perpendicular to the long sides. But it is also possible to make the opening 2 and the outer surfaces rounded or curved.

Claims (6)

1. Set of interlocking stones, more particularly for the strengthening of slopes and the building of riverbeds, comprising base elements (1) having through openings (2), two opposite long sides (3, 4) each provided at its extremities with a part projecting beyond the plane of said long sides (3, 4) and two opposite broad sides (6, 7) each with an anchoring part (9) extending in parallel with the long sides (3, 4),
characterized in that
each anchoring part (9) projects beyond the side walls of the base element (1), said anchoring part being provided on both sides, at its extremities, with projecting parts (10) substantially perpendicular to the plane of the long sides (3, 4), and in that, whilst in the built-in condition, a projecting part (10) of an anchoring part (9) of a first base element (1) catches behind a projecting part (5) of a long side (3, 4) of an adjoining base element (1) and at the same time a projecting part (5) of a long side (3, 4) of the first base element catches behind a projecting part (10) of the adjoining base element (1).
2. Set according to claim 1,
characterized in that
the element (1) comprises a hexagonal opening (2), and each of the broad sides (6, 7) comprises two side walls (8) making an obtuse angle between themselves.
3. Set according to claim 1,
characterized in that
it contains an end element (12) comprising two projecting parts (13) on a long side.
4. Set according to claim 1,
characterized in that
the anchoring part (9) comprises a longitudinal groove (11).
5. Set according to one of the claims 1-4, characterized in that
it contains a land tie formed of a rectangular concrete pile (14) at both ends of which iron bars (15, 16) imbedded into the concrete project at right angle with each other, one of said iron bars (15) fitting into the longitudinal groove (11) of the anchoring part (9) of the element (1
6. Set according to one of the claims 1-3,
characterized in that
when utilized for the building of river-beds, rectangular concrete blocks (19) are arranged as breakwaters between four adjoining elements (1), bottoms (20) being arranged into the openings (2) of the element (1).
EP80810079A 1979-03-05 1980-03-04 Interconnecting stone blocks, especially for protecting slopes and river beds Expired EP0016727B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80810079T ATE782T1 (en) 1979-03-05 1980-03-04 KIT OF INTERLOCKING STONES, PARTICULARLY FOR SLOPE PROTECTION AND RIVER BED BUILDING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2122/79 1979-03-05
CH212279A CH636393A5 (en) 1979-03-05 1979-03-05 ASSEMBLY KIT, IN PARTICULAR FOR SLOPE LOCKING AND FLOWBED CONSTRUCTION.

Publications (2)

Publication Number Publication Date
EP0016727A1 EP0016727A1 (en) 1980-10-01
EP0016727B1 true EP0016727B1 (en) 1982-03-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP80810079A Expired EP0016727B1 (en) 1979-03-05 1980-03-04 Interconnecting stone blocks, especially for protecting slopes and river beds

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EP (1) EP0016727B1 (en)
AT (1) ATE782T1 (en)
CH (1) CH636393A5 (en)
DE (1) DE3060238D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933611A1 (en) * 1989-10-07 1991-04-11 Varta Plastic Gmbh Plastics panels for prevention of soil erosion - can be fastened edge-to-edge to cover large area

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Publication number Priority date Publication date Assignee Title
AT383168B (en) * 1984-07-24 1987-05-25 Ebenseer Betonwerke Gmbh SLOPE COVERING
WO1999041462A1 (en) * 1998-02-17 1999-08-19 Sian Ghee Alan Lee A grid structure
CA2505081C (en) 2002-10-28 2015-01-06 Fnr Forschungsgenossenschaft Nachwachsender Rohstoffe Method for the production of a plant-based construction material and construction material obtained by means of said method
NL1029538C2 (en) * 2005-07-15 2007-01-16 Konink Bam Groep Nv Wave protection structure, method for manufacturing a toe element for a wave protection structure, and method for manufacturing a wave protection structure.
US10865537B2 (en) 2018-03-14 2020-12-15 Dawson Holdings, Llc Ground stabilization grid
US10400417B1 (en) * 2018-03-14 2019-09-03 Dawson Holdings, Llc Ground stabilization grid
CN112376504B (en) * 2020-11-27 2022-11-04 中船第九设计研究院工程有限公司 Construction method of hydraulic engineering slope protection supporting structure

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DE218292C (en) *
FR1134666A (en) * 1954-11-23 1957-04-16 Pavement or coating
DE1534372A1 (en) * 1966-08-02 1970-02-12 Josef Rebele Process for the production of a road, square or path fastening with perforated concrete blocks and shaped blocks to carry out the process
DE2038674C3 (en) * 1970-08-04 1978-06-29 E.A.H. Naue Kg, 4992 Espelkamp Water-permeable revetment for embankments or the like
CA1008842A (en) * 1971-01-28 1977-04-19 Bj-Hughes Inc. Towing winch control system
GB1385207A (en) * 1972-05-09 1975-02-26 Dytap Constr Holding Masonry block
DE2646777A1 (en) * 1976-10-16 1978-04-20 Volmer Betonwerk Gmbh & Co Kg Hexagonal concrete block for reinforcing waterways - has hexagons joined at edges and cut across corners or sides along border

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933611A1 (en) * 1989-10-07 1991-04-11 Varta Plastic Gmbh Plastics panels for prevention of soil erosion - can be fastened edge-to-edge to cover large area

Also Published As

Publication number Publication date
EP0016727A1 (en) 1980-10-01
ATE782T1 (en) 1982-04-15
CH636393A5 (en) 1983-05-31
DE3060238D1 (en) 1982-04-29

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