EP0170659B1 - Device for stabilizing the ground in hydraulic engineering - Google Patents

Device for stabilizing the ground in hydraulic engineering Download PDF

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Publication number
EP0170659B1
EP0170659B1 EP84903342A EP84903342A EP0170659B1 EP 0170659 B1 EP0170659 B1 EP 0170659B1 EP 84903342 A EP84903342 A EP 84903342A EP 84903342 A EP84903342 A EP 84903342A EP 0170659 B1 EP0170659 B1 EP 0170659B1
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EP
European Patent Office
Prior art keywords
grass
holders
rod
structural steel
rods
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EP84903342A
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German (de)
French (fr)
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EP0170659A1 (en
Inventor
Peter Wilhelm Rentrop
Günter Hubertus TRAPP
Friedrich Wilhelm Dunker
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JOH MORITZ RUMP Firma
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JOH MORITZ RUMP Firma
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    • 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
    • E02B3/043—Artificial seaweed

Definitions

  • the invention relates to a device for soil stabilization in hydraulic engineering, consisting of rods joined to form mats, which can be anchored to the ground at least by gravity, and artificial grasses attached to them.
  • a device of this type is known from AU-B-45 437.
  • the artificial grasses are attached to the intersection points of the individual rods of the braid made from the rods, so that each is a bundle that is very closely grouped near the mat.
  • the object of the invention is to further simplify and reduce the cost of a generic device, wherein a considerably improved positionally secure arrangement of the grass holders relative to one another is achievable so far, and there is the possibility of preselecting an advantageous arrangement of the grass holders relative to one another can and the formation of labyrinthine flow paths can be prevented, if this is necessary and desired.
  • the solution to this problem is characterized by a structural steel mesh mat, to the rods of which prefabricated, rod-shaped grass holders are fastened, each of which consists of a first profile rod, channel-shaped profile and an at least approximately the same length, clamped into the channel of the first profile rod and encompassed by the grasses, and by means arranged on the channel-shaped profiled rod for connection to the structural steel mesh mat.
  • Such a mat, covered with grass holders, does not allow the grass holders to change position relative to one another due to the permanent and rigid connection of their rods.
  • the mat to be laid flat on the bottom of the water can adapt to a certain degree to the more or less undulating water bed.
  • the device described above is also characterized by significantly lower manufacturing costs because conventional structural steel mesh mats can be used for this purpose.
  • the structural steel mesh mat has bars which cross each other at right angles and preferably the meshes of the structural steel mesh mats are each delimited by bar sections of at least approximately the same length, and the length of a rod-shaped grass holder approximately the clear distance between opposing bar sections of a mild steel fabric mat Stitch corresponds.
  • a particularly favorable configuration both with regard to the manufacture of the grass holder itself and with regard to the connection between the grass holder and the structural steel fabric mat, which also ensures a secure position of the grass holders relative to one another, is characterized in that the grass holders each consist of a first profile bar, channel-shaped profile and one there is at least approximately the same length clamped in the groove of the first profile bar and surrounded by the grasses second bar and that devices are arranged on the channel-shaped profiled rod for connection to the structural steel fabric mat.
  • connection devices are molded onto the channel-shaped first rod.
  • the connecting devices should be hook-shaped and the rods of the structural steel mesh mat should preferably be formed comprehensively with a clamping effect.
  • a preferred and particularly inexpensive embodiment is characterized by a first, extruded, channel-shaped profiled rod, in particular made of plastic, with a profile part which is molded onto it and extends over its entire length, has a hook-shaped profile and can be clamped onto a rod of the structural steel mesh mat.
  • the grass holders it is also possible to make the grass holders longer than one mesh of the structural steel mesh mat in order to be able to produce grass holder patterns that are adapted to the prevailing conditions.
  • the devices for connecting the grass holders should be arranged on the long side of the grass protruding from the groove of the first channel-shaped rod.
  • a preferred embodiment of this is characterized in that the second rod encompassed by the grasses is profiled in an annular shape and that the channel of the first profile rod is adapted to the profile of the second rod in such a way that the first profile rod and the second profile rod including the grasses by more than 180 ° includes positively.
  • a common feature of all of the embodiments is a rectangular structural steel fabric mat 1 composed of longitudinal bars 2 and cross bars 3 which cross at right angles, and of grass holders 4 fastened to the aforementioned bars.
  • the bars 2 and 3 are non-detachably and rigidly connected to each other at their crossing points.
  • longitudinal bars 2 to the long sides and the transverse bars 3 to the transverse sides of the rectangular structural steel fabric mat 1 are each directed parallel.
  • the bars 2 and 3 each have the same circular cross-sections over their entire length.
  • grass holders 4 are provided, each consisting of a first extruded rod 5 and a second rod 6, which is designed as a round rod section.
  • a large number of artificial grasses 7 made of floatable plastic are attached to the grass holder 4 and distributed over their length, preferably in the form of flexible strips.
  • the first rod 5 is profiled in a channel-shaped manner and has on the outside on the longitudinal side facing away from the channel a molded-on profile part 8 which extends over the entire length of the rod and is hook-shaped.
  • the grasses 7, which can have an effective length of 90 cm, for example, are wrapped around the rod 6 and inserted with the rod 6 into the groove of the rod 5.
  • the groove of the rod 5 is dimensioned and designed so that it includes the rod 6 together with the grasses 7 under clamping force more than 180 ° of the rod 6.
  • the hook-shaped profile part 8 is clamped onto one of the rods 2 or 3 of the structural steel fabric mat 1 in such a way that all grasses of the device lowered into the water can straighten up in the same direction
  • the length of a grass holder 4 corresponds to the distance between two adjacent and mutually rectified rods 2. 3 from each other, so that the grass holder 4 is supported with its end faces on the aforementioned rods and is consequently immovably supported in the direction of its longitudinal extent.
  • This configuration allows the grass holder 4 to be formed longer than the width of a mesh 10 of the structural steel fabric mat 1.
  • the longitudinal and transverse bars 2 are respectively. 3 arranged at the same level to each other.
  • grass holders 4 are fastened to each longitudinal bar 2 of the structural steel mesh mat 1, namely per row with a mesh-wide distance from one another, the grass holders 4 being aligned in the same direction as the longitudinal bars 2, while according to FIG. 6 all cross bars 3 are similar to those in FIG. 5 are occupied with grass holders 4.
  • grass holders 4 are fastened to both the longitudinal rods 2 and the transverse rods 3, a mesh-wide distance being provided between the individual grass holders.
  • the grass holders 4 are arranged in such a way that a plurality of grass holders 4 which are arranged one behind the other in the longitudinal extent of both the longitudinal and the transverse bars form quadrilaterals.
  • grass holders 4 are each arranged to form a square, but the corners of this square are free of grass holders.
  • Fig. 10 are every second Longitudinal bar 2 and on every third cross bar 3 grass holders 4 fastened, whereby a distance is provided between the grass holders 4 fastened to the longitudinal bars 2, which is twice as long as a mesh size, while the grass holders 4 fastened to the cross bars 3 are spaced apart from one another are arranged.
  • the grass holders 4 are arranged approximately in a herringbone pattern, the grass holders 4 attached to the cross bars 3 being offset by a mesh size in each case in a step-like manner, and the grass holders 4 attached to the longitudinal bars also in the transverse direction of the structural steel fabric mat 1 each over a mesh size up or are arranged offset downwards.
  • each grass holders 4 complement each other to form a square, the side lengths of this square each being twice as long as a grass holder and the grass holders 4 being arranged in the circumferential direction of the square with a mesh-wide distance from one another.
  • the structural steel fabric mats 1 are separated longitudinally or transversely into relatively narrow strips and these strips are articulated to one another in such a way that the structural steel fabric mat 1 can be rolled up for transport.
  • Interlocking rings can be arranged, preferably molded, on the rods of the structural steel mesh mat strips as articulated connections.
  • the articulated connection of the steel mesh mat strips can also be done by means of flexible organs, e.g. B. done with ropes. This configuration also enables an even better adaptation of the laid 'structural steel fabric mat 1 to a wavy body of water than before.
  • the or the rods 2. 3 attached grass holders 4 can hinge around the rods to which they are attached, in a certain sense by overcoming the clamping force, so that they are roughly aligned during transport to the level of the structural steel fabric mat 1 and consequently the entire device requires less transport space than previously.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
  • Cultivation Of Plants (AREA)

Abstract

Artificial grass fixed to bars anchored into the ground at least by their own weight, are connected by means of chains to form a mat comprised of meshes. To simplify the construction and the assembly, to lower the cost and to facilitate the appropriate arrangement of the bars carrying the grass (7), a building steel mat (1) is used as securing element for the bars. Struts (2, 3) of said mat carry removable and interchangeable bar-shaped grass supports.

Description

Die Erfindung betrifft eine Vorrichtung zur Bodenstabilisierung im Wasserbau, bestehend aus zu Matten zusammengefügten, am Boden mindestens durch Schwerkraft verankerbaren Stäben und an diesen befestigten künstlichen Gräsern.The invention relates to a device for soil stabilization in hydraulic engineering, consisting of rods joined to form mats, which can be anchored to the ground at least by gravity, and artificial grasses attached to them.

Eine Vorrichtung dieser Art ist durch die AU-B-45 437 bekannt.A device of this type is known from AU-B-45 437.

Hierbei erfolgt die Befestigung der künstlichen Gräser an den Kreuzungspunkten der einzelnen Stäbe des aus den Stäben gefertigten Geflechtes, so daß es sich hier jeweils um Bündel handelt, die nahe der Matte sehr eng zusammengefaßt sind.Here, the artificial grasses are attached to the intersection points of the individual rods of the braid made from the rods, so that each is a bundle that is very closely grouped near the mat.

Erst mit Abstand von der Matte können diese künstlichen Grasbündel sich auffalten. Durch diese Anordnung entstehen zwischen den einzelnen Grasbündeln labyrinthartige Pfade, die unerwünschte Strömungswege darstellen. Desweiteren ist die Anordnung und Befestigung der künstlichen Gräser an dieser Matte aufwendig, da die Grasbündel durch nicht näher beschriebene weitere Maßnahmen an der Matte fixiert werden müssen.Only at a distance from the mat can these artificial bundles of grass unfold. This arrangement creates labyrinthine paths between the individual bundles of grass, which represent undesirable flow paths. Furthermore, the arrangement and attachment of the artificial grasses on this mat is complex, since the grass bundles must be fixed to the mat by further measures not described in detail.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine gattungsgemäße Vorrichtung weiter zu vereinfachen und zu verbilligen, wobei eine wesentlich verbesserte lagesichere Anordnung der Gräserhalterungen zueinander als bisher erreichbar ist, die Möglichkeit besteht, eine jeweils günstige Anordnung der Gräserhalterungen zueinander vorwählen zu können und die Bildung von labyrinthartigen Strömungspfaden unterbunden werden kann, sofern dies notwendig und erwünscht ist.On the basis of this prior art, the object of the invention is to further simplify and reduce the cost of a generic device, wherein a considerably improved positionally secure arrangement of the grass holders relative to one another is achievable so far, and there is the possibility of preselecting an advantageous arrangement of the grass holders relative to one another can and the formation of labyrinthine flow paths can be prevented, if this is necessary and desired.

Die Lösung dieser Aufgabe kennzeichnet sich durch eine Baustahlgewebematte, an deren Stäben vorgefertigte, stabförmige Gräserhalterungen befestigt sind, die jeweils aus einem ersten Profilstab rinnenförmigen Profils und einem mindestens annähernd gleichlangen, in die Rinne des ersten Profilstabes eingeklemmten und von den Gräsern umfaßten zweiten Stab besteht, und durch am rinnenförmig profilierten Stab angeordnete Einrichtungen zum Anschluß an die Baustahlgewebematte.The solution to this problem is characterized by a structural steel mesh mat, to the rods of which prefabricated, rod-shaped grass holders are fastened, each of which consists of a first profile rod, channel-shaped profile and an at least approximately the same length, clamped into the channel of the first profile rod and encompassed by the grasses, and by means arranged on the channel-shaped profiled rod for connection to the structural steel mesh mat.

Eine derartige, mit Gräserhalterungen besetzte Matte läßt durch die unlösbare und starre Verbindung ihrer Stäbe eine Lageveränderung der Gräserhalterungen zueinander nicht zu.Such a mat, covered with grass holders, does not allow the grass holders to change position relative to one another due to the permanent and rigid connection of their rods.

Trotzdem vermag sich die flach auf dem Gewässergrund abzulegende Matte im gewissen Grade dem ggf. mehr oder weniger welligen Gewässergrund anzupassen.Nevertheless, the mat to be laid flat on the bottom of the water can adapt to a certain degree to the more or less undulating water bed.

Außerdem zeichnet sich die vorbeschriebene Vorrichtung auch durch wesentlich geringere Herstellunskosten aus, weil hierzu herkömmliche Baustahlgewebematten verwendet werden können.In addition, the device described above is also characterized by significantly lower manufacturing costs because conventional structural steel mesh mats can be used for this purpose.

Auch ist es möglich, an der Baustahlgewebematte die Gräserhalterungen in einer Vielzahl zueinander unterschiedlichen Mustern lagerichtig zu befestigen, um in Abhängigkeit von den jeweils vorherrschenden Wasserströmungen den jeweils günstigsten Effekt zu erzielen.It is also possible to fasten the grass holders in the correct position in a variety of mutually different patterns on the structural steel mesh mat in order to achieve the most favorable effect depending on the prevailing water flows.

Dabei ist es im Sinne der Aufgabe förderlich, wenn die Baustahlgewebematte einander rechtwinklig sich kreuzende Stäbe aufweist und vorzugsweise zudem die Maschen der Baustahlgewebematten jeweils durch Stababschnitte mindestens annähernd gleicher Länge begrenzt sind, sowie die Länge einer stabförmigen Gräserhalterung etwa dem lichten Abstand einander gegenüberliegender Stababschnitte einer Baustahlgewebematten-Masche entspricht. Eine sowohl bezüglich der Herstellung der Gräserhalterung selbst als auch bezüglich der Verbindung zwischen der Gräserhalterung und der Baustahlgewebematte besonders günstige Ausgestaltung, die auch eine lagesichere Anordnung der Gräserhalterungen zueinander sicherstellt, ist dadurch gekennzeichnet, daß die Gräserhalterungen jeweils aus einem ersten Profilstab rinnenförmigen Profils und aus einem mindestens annähernd gleichlangen in die Rinne des ersten Profilstabes eingeklemmten und von den Gräsern umfaßten zweiten Stab besteht und daß am rinnenförmig profilierten Stab Einrichtungen zum Anschluß an die Baustahlgewebematte angeordnet sind.It is beneficial in the sense of the task if the structural steel mesh mat has bars which cross each other at right angles and preferably the meshes of the structural steel mesh mats are each delimited by bar sections of at least approximately the same length, and the length of a rod-shaped grass holder approximately the clear distance between opposing bar sections of a mild steel fabric mat Stitch corresponds. A particularly favorable configuration both with regard to the manufacture of the grass holder itself and with regard to the connection between the grass holder and the structural steel fabric mat, which also ensures a secure position of the grass holders relative to one another, is characterized in that the grass holders each consist of a first profile bar, channel-shaped profile and one there is at least approximately the same length clamped in the groove of the first profile bar and surrounded by the grasses second bar and that devices are arranged on the channel-shaped profiled rod for connection to the structural steel fabric mat.

Zudem ist es zur Vereinfachung der Herstellung vorteilhaft, wenn die Anschlußeinrichtungen am rinnenförmig profilierten ersten Stab angeformt sind.In addition, to simplify production, it is advantageous if the connection devices are molded onto the channel-shaped first rod.

Um die Gräserhalterungen auch schnell und sicher an die Stäbe der Baustahlgewebematte anschließen zu können, sollten die Anschlußeinrichtungen hakenförmig und die Stäbe der Baustahlgewebematte vorzugsweise unter Klemmwirkung umfassend ausgebildet sein.In order to be able to quickly and securely connect the grass holders to the rods of the structural steel mesh mat, the connecting devices should be hook-shaped and the rods of the structural steel mesh mat should preferably be formed comprehensively with a clamping effect.

Hierzu kennzeichnet sich eine bevorzugte und besonders preiswerte Ausgestaltung durch einen ersten, stranggepreßten, rinnenförmig profilierten Stab, insbesondere aus Kunststoff mit einem an diesem angeformten über dessen gesamte Länge sich erstreckenden, hakenförmig profilierten und auf einen Stab der Baustahlgewebematte aufklemmbaren Profilteil.For this purpose, a preferred and particularly inexpensive embodiment is characterized by a first, extruded, channel-shaped profiled rod, in particular made of plastic, with a profile part which is molded onto it and extends over its entire length, has a hook-shaped profile and can be clamped onto a rod of the structural steel mesh mat.

Es ist auch möglich, die Gräserhalterungen länger als eine Masche der Baustahlgewebematte auszubilden, um den jeweils vorherrschenden Bedingungen entsprechend angepaßte Gräserhalterungsmuster herstellen zu können. In diesem Falle ist es jedoch zur Erzielung kurzer und unter anderem materialsparender Anschlußeinrichtungen vorteilhaft, wenn im hakenförmig profilierten Profilteil mindestens eine längsseits ausmündende Aussparung angeordnet ist, deren lichter Querschnitt mindestens dem Querschnitt eines Baustahlgewebemattenstabes entspricht, der den Baustahlgewebemattenstab kreuzt, an welchem die Gräserhalterung befestigt ist. Zudem sollten zur Vereinfachung der Verbindung der Gräserhalterungen mit der Baustahlgewebematte die Einrichtungen zum Anschluß der Gräserhalterungen an der aus der Rinne des ersten rinnenförmig profilierten Stabes herausragenden Gräsern abgewandten Längsseite angeordnet sein.It is also possible to make the grass holders longer than one mesh of the structural steel mesh mat in order to be able to produce grass holder patterns that are adapted to the prevailing conditions. In this case, however, to achieve short and, among other things, material-saving connection devices, it is advantageous if at least one recess opening out along the side is arranged in the hook-shaped profiled part, the clear cross section of which corresponds at least to the cross section of a reinforcing steel mesh rod that crosses the reinforcing steel mesh rod to which the grass holder is attached . In addition, in order to simplify the connection of the grass holders to the structural steel mesh mat, the devices for connecting the grass holders should be arranged on the long side of the grass protruding from the groove of the first channel-shaped rod.

Hierdurch wird auch das lagerichtige Aufrichten der aufschwimmfähigen Gräser einer in das Wasser abgesenkten Vorrichtung begünstigt. Eine bevorzugte Ausgestaltung hierzu ist dadurch gekennzeichnet, daß der von den Gräsern umfaßte, zweite Stab kreisringförmig profiliert ist und daß die Rinne des ersten Profilstabes am Profil des zweiten Stabes derart angepaßt ist, daß der erste Profilstab den zweiten Profilstab einschließlich der Gräser um mehr als 180° formschlüssig umfaßt.This also favors the correct erection of the floatable grasses of a device lowered into the water. A preferred embodiment of this is characterized in that the second rod encompassed by the grasses is profiled in an annular shape and that the channel of the first profile rod is adapted to the profile of the second rod in such a way that the first profile rod and the second profile rod including the grasses by more than 180 ° includes positively.

Weitere im Sinne der Aufgabe förderliche Ausgestaltungen der Erfindung sind in den Ansprüchen 10 bis 22 offenbart.Further advantageous embodiments of the invention are disclosed in claims 10 to 22.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are shown in the drawings and are described in more detail below.

Es zeigen:

  • Fig. 1 einen Teil einer Vorrichtung zur Bodenstabilisierung im Wasserbau in perspektivischer Darstellung;
  • Fig. 2 desgleichen von oben gesehen;
  • Fig. 3 Einzelheiten derselben im vergrößerten Maßstab gemäß der Linie 111-111 der Fig. 2 gesehen;
  • Fig. 4 desgleichen in Richtung der Linie IV-IV gesehen;
  • Fig. 5 bis 12 Ausschnitte von Vorrichtungen von oben gesehen mit in zueinander unterschiedlichen Lagemustern angeordneten künstlichen Gräsern.
Show it:
  • Figure 1 shows a part of a device for soil stabilization in hydraulic engineering in a perspective view.
  • Fig. 2 also seen from above;
  • Figure 3 shows details of the same on an enlarged scale along the line 111-111 of Figure 2;
  • Fig. 4 also seen in the direction of line IV-IV;
  • 5 to 12 sections of devices seen from above with artificial grasses arranged in different position patterns.

Allen Ausführungsformen ist eine rechteckige Baustahlgewebematte 1 aus rechtwinklig sich kreuzenden Längsstäben 2 und Querstäben 3 sowie aus an den vorgenannten Stäben befestigte Gräserhalterungen 4 gemeinsam.A common feature of all of the embodiments is a rectangular structural steel fabric mat 1 composed of longitudinal bars 2 and cross bars 3 which cross at right angles, and of grass holders 4 fastened to the aforementioned bars.

Die Stäbe 2 und 3 sind an ihren Kreuzungspunken miteinander unlösbar und starr verbunden.The bars 2 and 3 are non-detachably and rigidly connected to each other at their crossing points.

Ferner sind die Längsstäbe 2 zu den Längsseiten und die Querstäbe 3 zu den Querseiten der rechteckigen Baustahlgewebematte 1 jeweils parallel gerichtet.Furthermore, the longitudinal bars 2 to the long sides and the transverse bars 3 to the transverse sides of the rectangular structural steel fabric mat 1 are each directed parallel.

Die Stäbe 2 und 3 haben jeweils über ihre gesamte Länge gleiche, kreisförmige Querschnitte.The bars 2 and 3 each have the same circular cross-sections over their entire length.

)hr Durchmesser beträgt etwa 6 mm.) their diameter is about 6 mm.

Außerdem sind Gräserhalterungen 4 vorgesehen, die jeweils aus einem ersten stranggepreßten Stab 5 und einem zweiten Stab 6, der als Rundstababschnitt ausgebildet ist, bestehen. An der Gräserhalterung 4 sind eine Vielzahl über deren Länge verteilt angeordnete, bevorzugter Weise als biegsame Bänder ausgebildete, künstliche Gräser 7 aus schwimmfähigem Kunststoff befestigt.In addition, grass holders 4 are provided, each consisting of a first extruded rod 5 and a second rod 6, which is designed as a round rod section. A large number of artificial grasses 7 made of floatable plastic are attached to the grass holder 4 and distributed over their length, preferably in the form of flexible strips.

Der erste Stab 5 ist rinnenförmig profiliert und hat an der der Rinne abgewandten Längsseite außenseitig einen angeformten über die gesamte Stablänge sich erstreckenden hakenförmig profilierten Profilteil 8.The first rod 5 is profiled in a channel-shaped manner and has on the outside on the longitudinal side facing away from the channel a molded-on profile part 8 which extends over the entire length of the rod and is hook-shaped.

Die Gräser 7, die eine wirksame Länge von beispielsweise 90 cm haben können, sind um den Stab 6 geschlungen und mit dem Stab 6 in die Rinne des Stabes 5 eingesetzt.The grasses 7, which can have an effective length of 90 cm, for example, are wrapped around the rod 6 and inserted with the rod 6 into the groove of the rod 5.

Dabei ist die Rinne des Stabes 5 so bemessen und ausgebildet, daß sie den Stab 6 samt der Gräser 7 unter Klemmkraft mehr als über 180° des Stabes 6 umfaßt.The groove of the rod 5 is dimensioned and designed so that it includes the rod 6 together with the grasses 7 under clamping force more than 180 ° of the rod 6.

Der hakenförmige Profilteil 8 ist hingegen auf einen der Stäbe 2 oder 3 der Baustahlgewebematte 1 so aufgeklemmt, daß alle Gräser der in das Wasser abgesenkten Vorrichtung sich zueinander gleichgerichtet aufrichten könnenThe hook-shaped profile part 8, on the other hand, is clamped onto one of the rods 2 or 3 of the structural steel fabric mat 1 in such a way that all grasses of the device lowered into the water can straighten up in the same direction

Im allgemeinen entspricht die Länge einer Gräserhalterung 4 dem Abstand zweier benachbarter und zueinander gleichgerichteter Stäbe 2 bezw. 3 voneinander, so daß die Gräserhalterung 4 sich mit ihren Stirnseiten an den vorgenannten Stäben abstützt und demzufolge in Richtung ihrer Längserstreckung unverstellbar gehaltert ist.In general, the length of a grass holder 4 corresponds to the distance between two adjacent and mutually rectified rods 2. 3 from each other, so that the grass holder 4 is supported with its end faces on the aforementioned rods and is consequently immovably supported in the direction of its longitudinal extent.

Es ist auch möglich, wie in Fig. 4 gezeigt, in der Gräserhalterung 4 und zwar im Profilteil 8 eine Aussparung 9 vorzusehen, die den Stab umfaßt, welcher den Stab kreuzt, an dem die Gräserhalterung 4 befestigt ist.It is also possible, as shown in FIG. 4, to provide a recess 9 in the grass holder 4, specifically in the profile part 8, which comprises the rod which crosses the rod to which the grass holder 4 is attached.

Diese Ausgestaltung erlaubt die Gräserhalterung 4 auch länger als die Weite einer Masche 10 der Baustahlgewebematte 1 auszubilden. Bei der in Fig. 4 dargestellten Baustahlgewebematte 1 sind die Längs- und Querstäbe 2 bezw. 3 zueinander niveaugleich angeordnet. Es ist aber auch möglich, die Längs-und Querstäbe 2 und 3 aneinander längsseits anliegend, also in zwei Ebenen anzuordnen und miteinander fest zu verbinden.This configuration allows the grass holder 4 to be formed longer than the width of a mesh 10 of the structural steel fabric mat 1. In the structural steel mesh mat 1 shown in FIG. 4, the longitudinal and transverse bars 2 are respectively. 3 arranged at the same level to each other. However, it is also possible to arrange the longitudinal and transverse bars 2 and 3 adjacent to one another along the longitudinal side, that is to say in two planes, and to firmly connect them to one another.

Gemäß Fig. 5 sind an jedem Längsstab 2 der Baustahlgewebematte 1 Gräserhalterungen 4 befestigt und zwar pro Reihe mit maschenweitem Abstand voneinander, wobei die Gräserhalterungen 4 zu den Längsstäben 2 jeweils gleichgerichtet sind, während gemäß Fig. 6 alle Querstäbe 3 ähnlich wie in Fig. 5 mit Gräserhalterungen 4 besetzt sind.According to FIG. 5, grass holders 4 are fastened to each longitudinal bar 2 of the structural steel mesh mat 1, namely per row with a mesh-wide distance from one another, the grass holders 4 being aligned in the same direction as the longitudinal bars 2, while according to FIG. 6 all cross bars 3 are similar to those in FIG. 5 are occupied with grass holders 4.

In Fig. 7 sind sowohl an den Längsstäben 2 als auch an den Querstäben 3 Gräserhalterungen 4 befestigt, wobei zwischen den einzelnen Gräserhalterungen jeweils ein maschenweiter Abstand vorgesehen ist.7, grass holders 4 are fastened to both the longitudinal rods 2 and the transverse rods 3, a mesh-wide distance being provided between the individual grass holders.

Bei der in Fig. 8 gezeigten Vorrichtung sind die Gräserhalterungen 4 so angeordnet, daß jeweils mehrere in Längserstreckung sowohl der Längsals auch der Querstäbe unmittelbar hintereinander angeordnete Gräserhalterungen 4 Vierecke bilden.In the device shown in FIG. 8, the grass holders 4 are arranged in such a way that a plurality of grass holders 4 which are arranged one behind the other in the longitudinal extent of both the longitudinal and the transverse bars form quadrilaterals.

Gemäß Fig. 9 sind jeweils vier Gräserhalterungen 4 miteinander ein Viereck bildend angeordnet, wobei aber die Ecken dieses Viereckes frei von Gräserhalterungen sind.According to FIG. 9, four grass holders 4 are each arranged to form a square, but the corners of this square are free of grass holders.

In Fig. 10 sind jeweils an jedem zweiten Längsstab 2 und an jedem dritten Querstab 3 Gräserhalterungen 4 befestigt, wobei zwischen den an den Längsstäben 2 befestigten Gräserhalterungen 4 jeweils ein Abstand vorgesehen ist, der doppelt so lang als eine Maschenweite ist, während die an den Querstäben 3 befestigten Gräserhalterungen 4 mit maschenweitem Abstand voneinander angeordnet sind.In Fig. 10 are every second Longitudinal bar 2 and on every third cross bar 3 grass holders 4 fastened, whereby a distance is provided between the grass holders 4 fastened to the longitudinal bars 2, which is twice as long as a mesh size, while the grass holders 4 fastened to the cross bars 3 are spaced apart from one another are arranged.

Außerdem sind nur die Querstäbe 3 mit Gräserhalterungen 4 besetzt, die sich zwischen den Gräserhalterungen 4 der Längsstäbe 2 befinden. Bei der Vorrichtung nach Fig. 11 sind die Gräserhalterungen 4 etwa fischgrätenmusterartig angeordnet, wobei die an den Querstäben 3 befestigten Gräserhalterungen 4 jeweils um eine Maschenweite treppenartig versetzt sind und wobei die an den Längsstäben befestigten Gräserhalterungen 4 ebenfalls in Querrichtung der Baustahlgewebematte 1 jeweils über eine Maschenweite nach oben bezw. nach unten versetzt angeordnet sind.In addition, only the cross bars 3 are occupied with grass holders 4, which are located between the grass holders 4 of the longitudinal bars 2. In the device according to FIG. 11, the grass holders 4 are arranged approximately in a herringbone pattern, the grass holders 4 attached to the cross bars 3 being offset by a mesh size in each case in a step-like manner, and the grass holders 4 attached to the longitudinal bars also in the transverse direction of the structural steel fabric mat 1 each over a mesh size up or are arranged offset downwards.

Bei der in Fig. 12 gezeigten Vorrichtung ergänzen sich jeweils vier Gräserhalterungen 4 zu einem Quadrat, wobei die Seitenlängen dieses Quadrates jeweils doppelt so lang wie eine Gräserhalterung sind und wobei die Gräserhalterungen 4 in Umfangsrichtung des Quadrates jeweils mit maschenweitem Abstand voneinander angeordnet sind.In the device shown in FIG. 12, four grass holders 4 complement each other to form a square, the side lengths of this square each being twice as long as a grass holder and the grass holders 4 being arranged in the circumferential direction of the square with a mesh-wide distance from one another.

Es ist auch möglich, mehrere derartige Matten miteinander zu einer größeren Matte zu verbinden.It is also possible to connect several such mats together to form a larger mat.

Außerdem ist es vorteilhaft, wenn die Baustahlgewebematten 1 längs oder quer in relativ schmale Streifen getrennt und diese Streifen miteinander so gelenkig verbunden sind, daß die Baustahlgewebematte 1 zum Transport aufgerollt werden kann.In addition, it is advantageous if the structural steel fabric mats 1 are separated longitudinally or transversely into relatively narrow strips and these strips are articulated to one another in such a way that the structural steel fabric mat 1 can be rolled up for transport.

Als gelenkige Verbindungen können an den Stäben der Baustahlgewebemattenstreifen ineinandergreifende Ringe angeordnet, vorzugsweise angeformt sein.Interlocking rings can be arranged, preferably molded, on the rods of the structural steel mesh mat strips as articulated connections.

Die gelenkige Verbindung der Baustahlgewebemattenstreifen kann auch mittels biegsamer Organe, z. B. mittels Seilen erfolgen. Diese Ausgestaltung ermöglicht auch eine noch bessere Anpassung der verlegten ' Baustahlgewebematte 1 an einen welligen Gewässergrund als bislang.The articulated connection of the steel mesh mat strips can also be done by means of flexible organs, e.g. B. done with ropes. This configuration also enables an even better adaptation of the laid 'structural steel fabric mat 1 to a wavy body of water than before.

Die an die Stäbe 2 bezw. 3 angehängten Gräserhalterungen 4 können um die Stäbe, an welchen sie befestigt sind, auch im gewissen Sinne unter Überwindung der Klemmkraft scharnieren, so daß sie während des Transportes zur Ebene der Baustahlgewebematte 1 etwa gleichgerichtet sind und demzufolge die gesamte Vorrichtung weniger Transportraum als bislang bedarf.The or the rods 2. 3 attached grass holders 4 can hinge around the rods to which they are attached, in a certain sense by overcoming the clamping force, so that they are roughly aligned during transport to the level of the structural steel fabric mat 1 and consequently the entire device requires less transport space than previously.

Darüber hinaus wird auch die Gefahr vermindert, daß die Gräserhalterungen 4 abgebrochen werden.In addition, the risk is reduced that the grass holders 4 are broken off.

Claims (22)

1. An apparatus for stabilising the ground for waterworks, consisting of rods which are combined to form mats and can be secured on the ground at least by gravity and of artificial grasses fixed thereon, characterised by structural steel matting (1), on whose rods (2, 3) there are fixed prefabricated rod-shaped grass holders (4) which consist in each case of a first profiled rod (5) of trough-shaped profile and a second rod (6) which is of at least approximately equal length, is clamped into the trough of the first profiled rod (5) and is embraced by the grasses (7), and by devices arranged on the trough-shaped profiled rod (5) for connection to the structural steel matting (1).
2. An apparatus according to Claim 1, characterised in that the length of a rod-shaped grass holder (4) corresponds roughly to the clearance between opposing rod portions of a structural steel matting mesh (10).
3. An apparatus according to one of Claims 1 or 2, characterised in that the connecting devices are formed on the trough-shaped profiled first rod (5).
4. An apparatus according to one of Claims 1 to 3, characterised in that the connecting devices are designed as clamping pieces.
5. An apparatus according to one of Claims 1 to 4, characterised by connecting devices which are designed in the form of hooks and can be hooked onto the structural steel matting (1).
6. An apparatus according to one of Claims 1 to 5, characterised by a first extruded trough-shaped profiled rod (5), composed, in particular, of plastics material with a profiled part (8) which is formed on it, extends over the entire length thereof, is profiled in the form of a hook and is clamped on a rod (2 or 3) of the structural steel matting (1).
7. An apparatus according to one of Claims 1 to 6, characterised in that the grass holder (4) is longer in construction than a rod portion defining a mesh (10) of the structural steel matting (1) and that, in the hook-shaped profiled part (8) there is provided at least one recess (9) which opens along the side and whose clear cross-section corresponds at least to the cross-section of a structural steel matting rod which intersects the structural steel matting rod on which the grass holder (4) is fixed.
8. An apparatus according to one of Claims 1 to 7, characterised in that the devices for connecting the grass holder (4) are arranged on the longitudinal side remote from the grasses (7) projecting from the trough of the first trough-shaped profiled rod (5).
9. An apparatus according to one of Claims 1 to 8, characterised in that the second rod (6) embraced by the grasses (7) is annular in profile and in that the trough of the first profiled rod (5) is adapted to the profile of the second rod (6) in such a way that the first profiled rod (5) positively embraces the second profiled rod (6) including the grasses (7) by more than 180°.
10. An apparatus according to one of Claims 1 to 9, characterised by rectangular structural steel matting (1).
11. An apparatus according to one of Claims 1 to 10, characterised in that the grass holders are each arranged so as to run in the same direction as the rods (2, 3) of the structural steel matting (1).
12. An apparatus according to one of Claims 1 to 11, characterised in that all grass holders (4) are arranged on the rods (2) directed along the structural steel matting (Figure 5).
13. An apparatus according to one of Claims 1 to 12, characterised in that all grass holders (4) are arranged on the transverse rods (3) of the structural steel matting (1) (Figure 6).
14. An apparatus according to one of Claims 1 to 13, characterised in that the grass holders (4) are arranged both on the longitudinal and on the transverse rods (2, 3) of the structural steel matting (1) (Figure 7).
15. An apparatus according to one of Claims 1 to 14, characterised in that the grass holders (4) are arranged in succession at intervals in their lengthwise direction on the structural steel matting (1).
16. An apparatus according to one of Claims 1 to 15, characterised in that the distance between adjacent grass holders (4) corresponds approximately to a mesh width of the structural steel matting (1) in each case.
17. An apparatus according to one of Claims 1 to 16, characterised in that the grass holders (4) are arranged on the structural steel matting (1) at a distance from each other equal to several mesh widths.
18. An apparatus according to one of Claims 1 to 17, characterised in that the grass holders (4) are arranged so as to form polygons with one another for each structural steel mat, the sides of these polygons each being formed from a plurality of grass holders (4) arranged in succession in their longitudinal direction (Figure 8).
19. An apparatus according to one of Claims 1 to 18, characterised in that when grass holders (4) are combined to form polygons, the corners of these polygons are free from grass holders (4) (Figure 9).
20. An apparatus according to one of Claims 1 to 19, characterised in that on the transverse rods (3) and on the longitudinal rods (2) of structural steel matting (1) there are provided grass holders (4) which are each directed along the length of the rods and are mutually spaced by one mesh width and in that the grass holders (4) fixed on the transverse rods (3) each begin with one end on the point of intersection free from grass holders (4) of the longitudinal rods (2) equipped with grass holders (4) and end at a distance of one mesh width from the longitudinal rod (2) equipped with grass holders (4) (Figure 10).
21. An apparatus according to one of Claims 1 to 20, characterised in that the grass holders (4) are arranged in a herringbone pattern on the structural steel matting (1) (Figure 11).
22. An apparatus according to one of Claims 1 to 21, characterised in that, in each case, four grass holders (4) make up a rectangle, the length of each grass holder (4) corresponding to one mesh width whereas the sides of the above- mentioned rectangle are each twice as long as one mesh width and in that a distance of one mesh width is provided between all respectively adjacent grass holders (4) (Figure 12).
EP84903342A 1984-01-31 1984-09-11 Device for stabilizing the ground in hydraulic engineering Expired EP0170659B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3403165 1984-01-31
DE19843403165 DE3403165A1 (en) 1984-01-31 1984-01-31 DEVICE FOR GROUND STABILIZATION IN WATER CONSTRUCTION

Publications (2)

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EP0170659A1 EP0170659A1 (en) 1986-02-12
EP0170659B1 true EP0170659B1 (en) 1988-08-31

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EP84903342A Expired EP0170659B1 (en) 1984-01-31 1984-09-11 Device for stabilizing the ground in hydraulic engineering

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US (1) US4657432A (en)
EP (1) EP0170659B1 (en)
JP (1) JPS61501215A (en)
DE (1) DE3403165A1 (en)
DK (1) DK152548C (en)
WO (1) WO1985003539A1 (en)

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DE4206924A1 (en) * 1991-04-17 1992-10-22 Zanke Ulrich Prof Dr Ing Habil Coast erosion protection bodies - are designed to trap sand or mud and consist of concrete feet with brushwood anchored to bottom

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DE4206924A1 (en) * 1991-04-17 1992-10-22 Zanke Ulrich Prof Dr Ing Habil Coast erosion protection bodies - are designed to trap sand or mud and consist of concrete feet with brushwood anchored to bottom

Also Published As

Publication number Publication date
US4657432A (en) 1987-04-14
WO1985003539A1 (en) 1985-08-15
EP0170659A1 (en) 1986-02-12
JPS61501215A (en) 1986-06-19
DK152548C (en) 1988-08-01
DK442485D0 (en) 1985-09-30
DE3403165A1 (en) 1985-08-01
DK442485A (en) 1985-09-30
DK152548B (en) 1988-03-14

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