EP2300668B1 - Two-shell component for setting up plantable, steep embankments formed from several layers - Google Patents

Two-shell component for setting up plantable, steep embankments formed from several layers Download PDF

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Publication number
EP2300668B1
EP2300668B1 EP09749477A EP09749477A EP2300668B1 EP 2300668 B1 EP2300668 B1 EP 2300668B1 EP 09749477 A EP09749477 A EP 09749477A EP 09749477 A EP09749477 A EP 09749477A EP 2300668 B1 EP2300668 B1 EP 2300668B1
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EP
European Patent Office
Prior art keywords
structural element
element according
geosynthetics
rear wall
frictional
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EP09749477A
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German (de)
French (fr)
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EP2300668A1 (en
Inventor
Claus GÖBEL
Klaus Lieberenz
Dietmar Adams
Steffen Grossmann
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Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
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Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
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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
    • 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
    • E02D29/0216—Cribbing walls
    • 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
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill

Definitions

  • the invention relates to the construction of the plastic-reinforced earth. Their application is particularly useful when support structures and steep slopes, based on a high degree of prefabrication of the system components, should be built quickly and precisely, while at the same time protecting the environment and integrating nature.
  • Geosynthetic reinforced supporting structures and steep slopes represent composite bodies, which are formed from the elements filling floor, reinforcements and outer skin.
  • the filling soil used is a shear-resistant, well-graded and compactable gravel sand.
  • the reinforcements, which are enclosed by the filling floor, are made of high-tensile geosynthetics, mainly geogrids, fabrics and composites are used.
  • the completion of the building on the air side forms the so-called outer skin.
  • the composite body of filling floor and reinforcements is the actual supporting system that ensures the stability of the supporting structure.
  • the outer skin is to be understood as a protection system, which has the task to protect the support system from the external influences and thus to ensure the long-term stability of the entire structure.
  • the outer skin consists of a large number of segments, each consisting of interchangeable front elements, one-sided in the vertical direction concave curved rear wall elements, in which the round beads of the geosynthetic lean against the upholstery walls formed and compose the compacted filling floor, put together.
  • Per front element at least two mutually parallel spaced spacers, to which the front and rear wall elements are attached, used, which in turn are guided by means of Erdnägeln in the underlying pad fixed profiles, preferably designed as U-rails. This results in box-shaped cavities in which the greenable soils or building materials are introduced.
  • the segments of the outer skin correspond in their vertical dimensions of the thickness of the layers to be installed and to be compacted the Greitz.
  • the outer skin is layered.
  • the segments of the outer skin are 40 cm high.
  • the layers of the outer skin are usually staggered in relation to each other.
  • the front element is designed as a rigid spatial grid structure, which may include a solidified greening structure. It is envisaged that the front element, but also the plastic spacers, which implies a proportion of renewable raw materials consists.
  • the spacers are at the side where the back wall elements are applied and fastened, as these are concavely arched; on the side where the front elements are applied and fixed, the spacers have an inclination angle between 55 and 70 °.
  • the rear wall elements are preferably made of decomposable material or natural fibers.
  • the special shaping of the back wall of the outer skin substantially reduces the amount of vertical and horizontal changes in the shape of the support system by improving the flow of force in the geosynthetic reinforcements.
  • the conditions for the greening are significantly improved. This is also helped by the fact that the strict separation of filling and culture soil allows the latter to be easily introduced.
  • the segments of the outer skin allow their variable design in terms of inclination, height and lines, with the possibility to replace them in case of damage without affecting the stability of the support system.
  • the invention provides a bivalve component for the construction of greener formed of several layers steep slopes, which consists of a front element with rigid spatial lattice structure, a spacer element and a rear wall element. It is essential that the cross section of the permanently rigid rear wall element in the vertical direction follows a traverse or a straight line.
  • the pressure-stable spacer is formed on at least one side by notches and has brackets for frictional connections with geosynthetics. At least two connecting elements are attached to the spacer element at least at two points, with which the elements of the component can be positively and non-positively connected.
  • the front, rear and rear wall element is made of plastic.
  • the indentations on the pressure-stable spacer are mounted in the installed state of the system on the upper side and stepped, thereby allowing various inclinations of the steep slopes to be built; Consequently, horizontally different widths of berms can be designed.
  • the holder for the frictional connection with the geosynthetics is mounted in the lower region of the spacers, and it is particularly advantageous to fasten them on a load-distributing rail.
  • the connecting means with which the elements of the component are positively and non-positively connectable, are mounted on the spacer top and bottom. It is intended to releasably, preferably clip-like, design the connecting elements.
  • the clam-shell component described above can be used as a stand-alone support system that permanently absorbs the horizontal effects caused by the earth pressure from the backfill.
  • the plantable steep slope is formed by the stacking of the clam shell component.
  • the clam-shell component is non-positively connected with horizontally and horizontally and horizontally and horizontally laid geosynthetics.
  • the component is only connected in some layers of a multi-layer Operaböschung with geosynthetics.
  • the most significant advantage of the invention is that the spatial outer skin element, designed as a clam shell component, depending on the chosen use differentiated with geosynthetics can be combined. It can therefore be built greened steep slopes of all kinds with or without geosynthetics, depending on the practical application parameters, such as slope height, slope slope, static and dynamic effects, and the different application areas in construction, the most diverse system variants of plantable formed from several layers steep slopes are realized can.
  • the cladding and greening a steep embankment of mutually remote outer skin elements without static effective reinforcement geogrids, as well as the establishment of various types of supporting structures can be made.
  • Fig. 1 shows the elements of the clam shell component and their design and their intended assembly.
  • the bivalve component consists of the front element 1, the spacer element 2 and the rear wall element 3.
  • the spacer element 2 has in the manner described the notches 4 and the connecting means 6.
  • the cross section of the rear wall element is formed according to the invention in the vertical direction as a straight line.
  • Fig. 2 are shown in addition to the front element 1, two spacers 2 and the rear wall element 3, wherein the cross section of the permanently rigid rear wall element 3 is shown in the vertical direction as a polygonal line.
  • the attachment of the holder 5 can be seen.
  • Fig. 3 can be taken in cross-section, the structure of a steep slope, which are stacked by the stacking 9 of four bivalve components, which are joined together horizontally depending on the length of the slope. It can be seen that as a result of the notches 4 at different depths, the berms 8.1 and 8.2 can be formed.
  • the bivalve component is connected to geosynthetics 7 either in each layer 10 or only in selected layers 11.
  • the horizontally laid geosynthetics 7 can be used over the entire surface or even in strip form.

Abstract

The invention relates to a two-shell component for setting up plantable steep embankments formed from several layers. The component consists of a front element (1) with a three-dimensional lattice structure, which is resistant to bending, a spacer element (2) and a rear wall element (3). It is an essential element of the invention that the cross section of the rear wall element (3), which is permanently resistant to bending, follows a polygon curve or a straight line in the vertical direction. The pressure resistant spacer element (2) is shaped by notches (4) at least at one place and has holding devices (5) for frictional connections with the geoplastics (7). Connecting means (6), with which the elements (1, 2, 3) of the component may be connected positively and frictionally, are mounted at least at two place of the spacer (2). The component is intended for use as a standalone supporting system, which permanently absorbs the horizontal effects resulting from the pressure of the earth from the back filling.

Description

Die Erfindung betrifft die Bauweise der kunststoffbewehrten Erde. Ihre Anwendung bietet sich besonders dann an, wenn Stützbauwerke und Steilböschungen, basierend auf einem hohen Vorfertigungsgrad der Systemkomponenten, zügig und präzise und zugleich umweltschonend und naturintegriert errichtet werden sollen.The invention relates to the construction of the plastic-reinforced earth. Their application is particularly useful when support structures and steep slopes, based on a high degree of prefabrication of the system components, should be built quickly and precisely, while at the same time protecting the environment and integrating nature.

Geokunststoffbewehrte Stützbauwerke und Steilböschungen stellen Verbundkörper dar, die aus den Elementen Füllboden, Bewehrungen und Außenhaut gebildet werden. Als Füllboden wird ein scherfester, gut abgestufter und verdichtbarer Kiessand verwendet. Die Bewehrungen, die vom Füllboden umschlossen sind, bestehen aus hochzugfesten Geokunststoffen, wobei vor allem Geogitter, Gewebe und Verbundstoffe verwendet werden. Den Abschluss des Bauwerks an der Luftseite bildet die sogenannte Außenhaut. Der Verbundkörper aus Füllboden und Bewehrungen ist das eigentliche Tragsystem, das die Standsicherheit des Stützbauwerks gewährleistet. Die Außenhaut ist als Schutzsystem aufzufassen, das die Aufgabe hat, das Tragsystem vor den äußeren Einwirkungen zu schützen und so die langzeitliche Stabilität des Gesamtbauwerks zu sichern.Geosynthetic reinforced supporting structures and steep slopes represent composite bodies, which are formed from the elements filling floor, reinforcements and outer skin. The filling soil used is a shear-resistant, well-graded and compactable gravel sand. The reinforcements, which are enclosed by the filling floor, are made of high-tensile geosynthetics, mainly geogrids, fabrics and composites are used. The completion of the building on the air side forms the so-called outer skin. The composite body of filling floor and reinforcements is the actual supporting system that ensures the stability of the supporting structure. The outer skin is to be understood as a protection system, which has the task to protect the support system from the external influences and thus to ensure the long-term stability of the entire structure.

Aus dem Stand der Technik ist als neuere Lösung gemäß DE 10 2004 014 539 A1 ein System zur Errichtung von begrünbaren Stützbauwerken und Steilböschungen, bestehend aus tragenden, statische und/oder dynamische Lasten aufnehmenden und abtragenden Polsterwänden, die aus Bewehrungen aus hochfesten Geokunststoffen und einem verdichteten Füllboden, den die Bewehrungen umschließen, bekannt. Dabei wird eine davon konstruktiv getrennte, räumlich strukturierte, mit unverdichteten, begrünungsfähigen Böden oder Baustoffen gefüllte Außenhaut verwendet, die bei der Errichtung des Systems als temporäres Widerlager für die Geokunststoffbewehrungen dient, während der Verdichtung der einzelnen Füllbodenschichten den entstehenden Erddruck aufnimmt und dauerhaft den Schutz der Polsterwände bewirkt. Die Außenhaut besteht aus einer Vielzahl von Segmenten, die sich jeweils aus austauschbaren Frontelementen, einseitig in vertikaler Richtung konkav gekrümmten Rückwandelementen, an denen sich die runden Wülste der aus dem Geokunststoff und dem verdichteten Füllboden gebildeten Polsterwände anlehnen, zusammensetzen. Pro Frontelement sind mindestens zwei zueinander parallel beabstandete Abstandselemente, an denen die Front- und Rückwandelemente befestigt sind, eingesetzt, die ihrerseits in mittels Erdnägeln im darunter angeordneten Polster fixierten Profilen, vorzugsweise ausgeführt als U-Schienen, geführt werden. Dabei entstehen kastenförmige Hohlräume, in die die begrünbaren Böden oder Baustoffe eingebracht sind.From the prior art is as a newer solution according to DE 10 2004 014 539 A1 a system for the erection of greenable supporting structures and steep slopes, consisting of load-bearing, static and / or dynamic loads receiving and removing upholstery walls, made of reinforcements made of high-strength geosynthetics and a compacted filling floor, which surround the reinforcements. One of them structurally separate, spatially structured, filled with uncompressed, begrünungsfähigen soils or building materials outer skin is used, which serves as a temporary abutment for the geosynthetics reinforcements in the construction of the system, while the compression of the individual Füllbodenschichten absorbs the resulting earth pressure and permanently protecting the Cushioned walls causes. The outer skin consists of a large number of segments, each consisting of interchangeable front elements, one-sided in the vertical direction concave curved rear wall elements, in which the round beads of the geosynthetic lean against the upholstery walls formed and compose the compacted filling floor, put together. Per front element at least two mutually parallel spaced spacers, to which the front and rear wall elements are attached, used, which in turn are guided by means of Erdnägeln in the underlying pad fixed profiles, preferably designed as U-rails. This results in box-shaped cavities in which the greenable soils or building materials are introduced.

Alle vorgefertigten Elemente der Außenhaut sind durch ein Stecksystem verbunden, wobei durch die Verwendung von Passstücken zwischen den Frontelementen und den Abstandelementen die Einstellung unterschiedlicher Neigungen und Krümmungen der Außenhaut möglich ist.All prefabricated elements of the outer skin are connected by a plug-in system, the adjustment of different inclinations and curvatures of the outer skin is possible by the use of fitting pieces between the front elements and the spacer elements.

Die Segmente der Außenhaut entsprechen in ihren vertikalen Abmessungen der Dicke der einzubauenden und zu verdichtenden Schichten des Füllbodens. Die Außenhaut ist infolgedessen schichtförmig aufgebaut. Vorzugsweise sind die Segmente der Außenhaut 40 cm hoch. Die Schichten der Außenhaut sind im Regelfall treppenförmig zueinander versetzt.The segments of the outer skin correspond in their vertical dimensions of the thickness of the layers to be installed and to be compacted the Füllboden. As a result, the outer skin is layered. Preferably, the segments of the outer skin are 40 cm high. The layers of the outer skin are usually staggered in relation to each other.

Das Frontelement ist als biegesteife räumliche Gitterstruktur ausgeführt, welche eine verfestigte Begrünungsstruktur enthalten kann. Es ist vorgesehen, dass das Frontelement, aber auch die Abstandshalter aus Kunststoff, der einen Anteil nachwachsender Rohstoffe impliziert, besteht.The front element is designed as a rigid spatial grid structure, which may include a solidified greening structure. It is envisaged that the front element, but also the plastic spacers, which implies a proportion of renewable raw materials consists.

Die Abstandselemente sind an der Seite, wo die Rückwandelemente angelegt und befestigt sind, wie diese konkav gewölbt; an der Seite, wo die Frontelemente angelegt und befestigt werden, weisen die Abstandselemente einen Neigungswinkel zwischen 55 und 70° auf. Die Rückwandelemente bestehen bevorzugt aus verrottbarem Material oder aus Naturfasern.The spacers are at the side where the back wall elements are applied and fastened, as these are concavely arched; on the side where the front elements are applied and fixed, the spacers have an inclination angle between 55 and 70 °. The rear wall elements are preferably made of decomposable material or natural fibers.

Die spezielle Formgebung der Rückwand der Außenhaut verringert - durch die Verbesserung des Kraftflusses in den Geokunststoffbewehrungen - das Maß vertikaler und horizontaler Formänderungen des Tragsystems wesentlich. Neben der Erfüllung der Anforderungen an die Langlebigkeit eines solchen Bauwerkes - also Frost- und UV-Beständigkeit sowie Beständigkeit gegenüber schädigenden äußeren Einflüssen -, sind die Bedingungen für die Begrünung deutlich verbessert. Dazu trägt auch bei, dass durch die strikte Trennung von Füll- und Kulturboden letzterer locker eingebracht werden kann. Schließlich ermöglichen die Segmente der Außenhaut deren variable Gestaltung hinsichtlich Neigung, Höhe und Linienführung, wobei die Möglichkeit besteht, diese bei Beschädigung ohne Beeinträchtigung der Standsicherheit des Tragsystems auszuwechseln.The special shaping of the back wall of the outer skin substantially reduces the amount of vertical and horizontal changes in the shape of the support system by improving the flow of force in the geosynthetic reinforcements. In addition to fulfillment The requirements for the longevity of such a structure - ie frost and UV resistance and resistance to harmful external influences -, the conditions for the greening are significantly improved. This is also helped by the fact that the strict separation of filling and culture soil allows the latter to be easily introduced. Finally, the segments of the outer skin allow their variable design in terms of inclination, height and lines, with the possibility to replace them in case of damage without affecting the stability of the support system.

Nachteil der vorstehend beschriebenen Lösung ist, dass die konkav geformte Rückwand des Systems einen erheblichen Fertigungsaufwand, namentlich aufwendige Werkzeuge, erfordert und dadurch vergleichsweise kostenintensiv ist. Hinzu kommt, dass dieses System zur Errichtung von begrünbaren Stützbauwerken und Steilböschungen für viele Anwendungsfälle in dieser Komplexität nicht notwendig ist, sodass konstruktive und fertigungstechnische Vereinfachungen wünschenswert sind, namentlich der hohe Verbrauch an Geokunststoffen auch bei Steilböschungen geringer Höhe und Neigung bedarf einer neuen Lösung.Disadvantage of the solution described above is that the concave rear wall of the system requires a considerable manufacturing effort, namely complex tools, and is therefore relatively expensive. In addition, this system is not necessary for the construction of plantable foundations and steep slopes for many applications in this complexity, so constructive and manufacturing simplifications are desirable, namely the high consumption of geosynthetics even with steep slopes and low slope requires a new solution.

Weiterer Stand der Technik ist ausführlich in DE 10 2004 014 539 A1 dargestellt sowie in der US 492 333 9 A die ein zwischaliges Banteil entsprechend dem Oberbegriff des Anspruch 1 zeigt. Aufgabe der Erfindung ist es, mit einer modifizierten, fertigungstechnisch nachhaltig vereinfachten Geometrie der Rückwand weitere Anwendungsbereiche zu erschließen. Es sollen also sowohl der Fertigungsaufwand des Systems verringert als auch dessen Anwendbarkeit erweitert werden, sodass ein komplexes und wirtschaftliches Konstruktionssystem entsteht, mit dem das gesamte Marktspektrum für begrünbare Steilböschungen bei sparsamsten Einsatz von Geokunststoffen abgedeckt werden kann.Further prior art is detailed in DE 10 2004 014 539 A1 shown as well as in the US 492 333 9 A which shows a Zwischaliges Banteil according to the preamble of claim 1. The object of the invention is to develop further application areas with a modified, sustainably simplified geometry of the rear wall. Thus, both the production cost of the system are reduced and its applicability to be expanded, so that a complex and economical construction system is created, with which the entire market spectrum for greener steep slopes can be covered with the most economical use of geosynthetics.

Die Aufgabe der Erfindung wird durch die Merkmale des Patentanspruchs 1 gelöst; vorteilhafte Ausgestaltungen der Erfindung sind in den Ansprüchen 2 bis 8 dargestellt. Die erweiterten Verwendungsmöglichkeiten des Erfindungsgegenstandes sind im Patentanspruch 9 und den darauf rückbezogenen Ansprüchen 10 bis 12 angegeben.The object of the invention is solved by the features of claim 1; advantageous embodiments of the invention are shown in claims 2 to 8. The extended uses of the subject invention are set forth in claim 9 and the dependent claims 10 to 12.

Die Erfindung stellt ein zweischaliges Bauteil zur Errichtung begrünbarer aus mehreren Lagen gebildeter Steilböschungen vor, das aus einem Frontelement mit biegesteifer räumlicher Gitterstruktur, einem Abstandselement und einem Rückwandelement besteht. Dabei ist wesentlich, dass der Querschnitt des dauerhaft biegesteifen Rückwandelementes in vertikaler Richtung einem Polygonzug oder einer Geraden folgt. Das druckstabile Abstandselement ist an zumindest einer Seite durch Einkerbungen ausgeformt und weist Halterungen für kraftschlüssige Verbindungen mit Geokunststoffen auf. Am Abstandselement ist an mindestens zwei Stellen zumindest ein Verbindungsmittel angebracht, mit denen die Elemente des Bauteils form- und kraftschlüssig verbindbar sind.The invention provides a bivalve component for the construction of greener formed of several layers steep slopes, which consists of a front element with rigid spatial lattice structure, a spacer element and a rear wall element. It is essential that the cross section of the permanently rigid rear wall element in the vertical direction follows a traverse or a straight line. The pressure-stable spacer is formed on at least one side by notches and has brackets for frictional connections with geosynthetics. At least two connecting elements are attached to the spacer element at least at two points, with which the elements of the component can be positively and non-positively connected.

Das Front-, Abstands- und Rückwandelement besteht aus Kunststoff. Die Einkerbungen am druckstabilen Abstandselement sind im eingebauten Zustand des Systems an der oberen Seite angebracht und stufenförmig ausgeformt, wodurch verschiedene Neigungen der zu errichtenden Steilböschungen ermöglicht werden; daraus folgend sind horizontale unterschiedlich breite Bermen ausgestaltbar.The front, rear and rear wall element is made of plastic. The indentations on the pressure-stable spacer are mounted in the installed state of the system on the upper side and stepped, thereby allowing various inclinations of the steep slopes to be built; Consequently, horizontally different widths of berms can be designed.

Die Halterung für die kraftschlüssige Verbindung mit den Geokunststoffen ist im unteren Bereich der Abstandselemente angebracht, wobei es besonders vorteilhaft ist, sie auf einer lastverteilenden Schiene zu befestigen. Die Verbindungsmittel, mit denen die Elemente des Bauteils form- und kraftschlüssig verbindbar sind, sind am Abstandselement oben und unten angebracht. Es ist vorgesehen, die Verbindungselemente lösbar, vorzugsweise clipartig, auszugestalten.The holder for the frictional connection with the geosynthetics is mounted in the lower region of the spacers, and it is particularly advantageous to fasten them on a load-distributing rail. The connecting means with which the elements of the component are positively and non-positively connectable, are mounted on the spacer top and bottom. It is intended to releasably, preferably clip-like, design the connecting elements.

Das oben beschriebene zweischalige Bauteil kann als eigenständiges Tragsystem, das dauerhaft die durch den Erddruck aus der Hinterfüllung entstehenden horizontalen Einwirkungen aufnimmt, verwendet werden.The clam-shell component described above can be used as a stand-alone support system that permanently absorbs the horizontal effects caused by the earth pressure from the backfill.

Es ist vorgesehen, dass durch das Aufeinanderstapeln des zweischaligen Bauteils die begrünbare Steilböschung gebildet wird. Bei jeder Verwendung wird das zweischalige Bauteil kraftschlüssig mit horizontal und vollflächig oder horizontal und streifenförmig verlegten Geokunststoffen verbunden.It is provided that the plantable steep slope is formed by the stacking of the clam shell component. Each time it is used, the clam-shell component is non-positively connected with horizontally and horizontally and horizontally and horizontally laid geosynthetics.

Es ist nach Maßgabe der Erfindung auch möglich, dass das Bauteil nur in einigen Lagen einer mehrlagigen Teilböschung mit Geokunststoffen verbunden ist.It is also possible in accordance with the invention that the component is only connected in some layers of a multi-layer Teilböschung with geosynthetics.

Der wesentlichste Vorteil der Erfindung besteht darin, dass das räumliche Außenhautelement, ausgeführt als zweischaliges Bauteil, in Abhängigkeit von der gewählten Verwendung differenziert mit Geokunststoffen kombiniert werden kann. Es können also begrünbare Steilböschungen aller Art mit oder ohne Geokunststoffe errichtet werden, wobei in Abhängigkeit von den praktischen Anwendungsparametern, beispielsweise Böschungshöhe, Böschungsneigung, statische und dynamische Einwirkungen, und den unterschiedlichen Anwendungsbereichen im Bauwesen die verschiedensten Systemvarianten von begrünbaren aus mehreren Lagen gebildeten Steilböschungen realisiert werden können.The most significant advantage of the invention is that the spatial outer skin element, designed as a clam shell component, depending on the chosen use differentiated with geosynthetics can be combined. It can therefore be built greened steep slopes of all kinds with or without geosynthetics, depending on the practical application parameters, such as slope height, slope slope, static and dynamic effects, and the different application areas in construction, the most diverse system variants of plantable formed from several layers steep slopes are realized can.

So kann mit der Erfindung die Verkleidung und Begrünung einer Steilböschung aus aufeinander abgesetzten Außenhautelementen ohne statisch wirksame Bewehrung aus Geogittern, ebenso wie die Errichtung verschiedenartiger Stützbauwerke vorgenommen werden.Thus, with the invention, the cladding and greening a steep embankment of mutually remote outer skin elements without static effective reinforcement geogrids, as well as the establishment of various types of supporting structures can be made.

Nachfolgend wird das erfindungsgemäße zweischalige Bauteil zur Errichtung begrünbarer aus mehreren Lagen gebildeter Steilböschungen sowie dessen Verwendung mittels Fig. 1 bis 5 näher dargestellt.Subsequently, the bivalve component according to the invention for the establishment of greener from several layers formed steep slopes and its use by means of Fig. 1 to 5 shown in more detail.

Fig. 1 zeigt die Elemente des zweischaligen Bauteils und deren Ausgestaltung sowie deren bestimmungsgemäße Zusammenfügung. Fig. 1 shows the elements of the clam shell component and their design and their intended assembly.

Das zweischalige Bauteil besteht aus dem Frontelement 1, dem Abstandselement 2 und dem Rückwandelement 3. Das Abstandselement 2 weist in beschriebener Weise die Einkerbungen 4 sowie die Verbindungsmittel 6 auf. Der Querschnitt des Rückwandelements ist erfindungsgemäß in vertikaler Richtung als Gerade ausgebildet.The bivalve component consists of the front element 1, the spacer element 2 and the rear wall element 3. The spacer element 2 has in the manner described the notches 4 and the connecting means 6. The cross section of the rear wall element is formed according to the invention in the vertical direction as a straight line.

In Fig. 2 sind neben dem Frontelement 1, zwei Abstandselemente 2 und das Rückwandelement 3 dargestellt, wobei der Querschnitt des dauerhaft biegesteifen Rückwandelementes 3 in vertikaler Richtung als Polygonzug dargestellt ist. Zudem ist die Befestigung der Halterung 5 ersichtlich.In Fig. 2 are shown in addition to the front element 1, two spacers 2 and the rear wall element 3, wherein the cross section of the permanently rigid rear wall element 3 is shown in the vertical direction as a polygonal line. In addition, the attachment of the holder 5 can be seen.

Der Fig. 3 kann im Querschnitt der Aufbau einer Steilböschung, die durch das Aufeinanderstapeln 9 von vier zweischaligen Bauelementen, die horizontal je nach Länge der Böschung aneinandergefügt sind, entnommen werden. Es ist ersichtlich, dass infolge der Einkerbungen 4 in unterschiedlicher Tiefe die Bermen 8.1 bzw. 8.2 ausgebildet werden können.Of the Fig. 3 can be taken in cross-section, the structure of a steep slope, which are stacked by the stacking 9 of four bivalve components, which are joined together horizontally depending on the length of the slope. It can be seen that as a result of the notches 4 at different depths, the berms 8.1 and 8.2 can be formed.

In Fig. 4 und 5 ist gezeigt, dass das zweischalige Bauteil mit Geokunststoffen 7 entweder in jeder Lage 10 oder nur in ausgewählten Lagen 11 verbunden ist. Dabei können die horizontal ausgelegten Geokunststoffe 7 vollflächig oder auch nur streifenförmig eingesetzt sein.In 4 and 5 It is shown that the bivalve component is connected to geosynthetics 7 either in each layer 10 or only in selected layers 11. The horizontally laid geosynthetics 7 can be used over the entire surface or even in strip form.

Liste der verwendeten BezugszeichenList of reference numbers used

11
Frontelementfront element
22
Abstandselementspacer
33
RückwandelementRear wall element
44
Einkerbungennotches
55
Halterungenbrackets
66
Verbindungsmittelconnecting means
77
GeokunststoffeGeosynthetics
8.18.1
kleine Bermesmall berm
8.28.2
große Bermebig berm
99
Aufeinanderstapelnstacking
1010
Geokunststoffe, in jeder Lage des StützbauwerkesGeosynthetics, in every position of the supporting structure
1111
Geokunststoffe, nur in einigen Lagen des StützbauwerkesGeosynthetics, only in some layers of the supporting structure

Claims (9)

  1. A two-shell structural element for the erection of steep embankments formed from several layers and suitable for greening, comprising a front element (1) with flexurally rigid three-dimensional lattice structure, a spacing element (2) and a rear wall element (3), wherein the cross-section of the permanently flexurally rigid rear wall element (3) follows a polygon curve or straight line in the vertical direction, the pressure-resistant spacing element (2) is shaped with notches (4) on at least one side and possesses mounts (5) for frictional joints with geosynthetics (7) and at least one connecting piece (6) is arranged at each of at least two points on the spacing element (2) to permit positive and frictional joining of the elements (1, 2, 3) of the structure, characterized in that the mounts (5) for frictional joints with the geosynthetics (7) are joined by way of a frictional joint in the lower area of the spacing element (2) with a load-distributing, flexurally rigid element whose length is a multiple of its cross-section.
  2. A structural element according to Claim 1, characterized in that the front (1), spacing (2) and rear wall elements (3) are made of synthetic material.
  3. A structural element according to one of Claims 1 and 2, characterized in that the notches (4) on the pressure-resistant spacing element (2) are arranged on its upper side when incorporated into the system and there display a stepped form, through which different angles of inclination of the steep embankment are possible and correspondingly horizontal berms of different widths (8.1; 8.2) are achieved.
  4. A structural element according to one of Claims 1 to 3, characterized in that the connecting pieces (6) with which to achieve the positive and frictional joining of the elements of the structure are arranged at the top and bottom of the spacing element (2).
  5. A structural element according to one of Claims 1 to 4, characterized in that the connecting pieces (6) are designed to be detachable.
  6. A structural element according to Claim 5, characterized in that the connecting pieces (6) are designed in the style of clips.
  7. Use of the structural element according to one of Claims 1 to 6, characterized in that it is joined by way of a frictional joint with geosynthetics (7) laid horizontally and over the full area or horizontally and in the form of strips (10).
  8. Use of the structural element according to one of Claims 1 to 6, characterized in that it is joined with geosynthetics (7) in individual layers (11) of a multi-layer steep embankment.
  9. Use of the structural element according to one of Claims 1 to 6, characterized in that it serves as a facing shell for a padding wall.
EP09749477A 2008-05-20 2009-04-14 Two-shell component for setting up plantable, steep embankments formed from several layers Not-in-force EP2300668B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008024459A DE102008024459B4 (en) 2008-05-20 2008-05-20 Two-shell component for constructing plantable steep slopes formed of several layers
PCT/DE2009/000510 WO2009140935A1 (en) 2008-05-20 2009-04-14 Two-shell component for setting up plantable, steep embankments formed from several layers

Publications (2)

Publication Number Publication Date
EP2300668A1 EP2300668A1 (en) 2011-03-30
EP2300668B1 true EP2300668B1 (en) 2012-08-01

Family

ID=40863663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09749477A Not-in-force EP2300668B1 (en) 2008-05-20 2009-04-14 Two-shell component for setting up plantable, steep embankments formed from several layers

Country Status (5)

Country Link
US (1) US8104996B2 (en)
EP (1) EP2300668B1 (en)
CA (1) CA2724809A1 (en)
DE (1) DE102008024459B4 (en)
WO (1) WO2009140935A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2959707B1 (en) * 2010-05-05 2013-03-15 Faurecia Bloc Avant REAR FACE AND REAR FACE ELEMENT FOR MOTOR VEHICLE
US9428878B2 (en) * 2012-05-22 2016-08-30 Westblock Systems, Inc. Retaining wall system
US9562338B2 (en) 2012-05-22 2017-02-07 Westblock Systems, Inc. Retaining wall system
JP2017166291A (en) * 2016-03-18 2017-09-21 前田工繊株式会社 Composite banking structure having reinforced soil structure and overlaid fill
BE1026322B1 (en) * 2018-05-29 2020-01-13 Tom Pauli PLATE FOR AN OBSTACLE AND OBSTACLE ELEMENT

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US4619560A (en) * 1984-02-08 1986-10-28 Crinnion Edward V Structural module for retaining walls and the like
US4923339A (en) * 1987-09-14 1990-05-08 Fomico International, Inc. Foldable concrete retaining wall structure
US5030035A (en) * 1990-08-09 1991-07-09 Earth Structures, Inc. Earth retaining system
US5370480A (en) * 1992-11-16 1994-12-06 Quaney; Patrick E. Interlocked gridwork for retaining walls, and the like
CA2314417C (en) * 1999-11-04 2003-05-20 Gordon Graham Concrete block for elevating and retaining surfaces
DE29920984U1 (en) * 1999-11-22 2000-02-03 Tschuemperlin Ag Drywall element
US6536994B2 (en) * 2001-07-12 2003-03-25 Keystone Retaining Wall Systems, Inc. Grooved retaining wall block and system
DE102004035351A1 (en) * 2003-08-12 2005-04-14 Franz Hof Gmbh Component for erecting supporting walls and noise protection walls comprises a foot part, a wall part and a reinforcing element that are made of sheet metal by cutting and bending and are joined by connecting elements to the component
ITBO20030538A1 (en) * 2003-09-16 2005-03-17 Maccaferri Spa Off REINFORCEMENT AND REINFORCEMENT GROUP
DE102004014539B4 (en) * 2004-03-23 2009-01-29 Hochschule für Technik und Wirtschaft Dresden (FH) System for the erection of green support structures and steep slopes
AU2006279890A1 (en) * 2005-08-10 2007-02-22 New Technology Resources, Inc. Continuous chamber mass confinement cells and methods of use thereof
DE202006017056U1 (en) * 2006-11-08 2007-02-08 Hahn Kunststoffe Gmbh Sound-proof wall construction for shielding of traffic noise at roads, has geo lattice unit provided with connecting rod that is made of recycling plastic, where connecting rod is connectable with front unit in form-fit manner

Also Published As

Publication number Publication date
EP2300668A1 (en) 2011-03-30
DE102008024459A1 (en) 2009-11-26
WO2009140935A1 (en) 2009-11-26
US20110070036A1 (en) 2011-03-24
DE102008024459B4 (en) 2011-07-07
CA2724809A1 (en) 2009-11-26
US8104996B2 (en) 2012-01-31

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