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EP1902181B1 - Top piece for a manhole structure - Google Patents

Top piece for a manhole structure Download PDF

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Publication number
EP1902181B1
EP1902181B1 EP06762179A EP06762179A EP1902181B1 EP 1902181 B1 EP1902181 B1 EP 1902181B1 EP 06762179 A EP06762179 A EP 06762179A EP 06762179 A EP06762179 A EP 06762179A EP 1902181 B1 EP1902181 B1 EP 1902181B1
Authority
EP
European Patent Office
Prior art keywords
manhole
shaft
part according
cone
reinforcing
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.)
Active
Application number
EP06762179A
Other languages
German (de)
French (fr)
Other versions
EP1902181A1 (en
Inventor
Tobias Heger
Guido Kania
Roland Hendel
Mariusz Ciolak
Heiko Leihbecher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rehau AG and Co filed Critical Rehau AG and Co
Priority to SI200631347T priority Critical patent/SI1902181T1/en
Publication of EP1902181A1 publication Critical patent/EP1902181A1/en
Application granted granted Critical
Publication of EP1902181B1 publication Critical patent/EP1902181B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
    • 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
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • 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
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/124—Shaft entirely made of synthetic material

Definitions

  • the invention relates to a shaft top according to the preamble of claim 1.
  • Such shaft tops are known from the prior art and practice. Due to the outwardly arched shape, such shaft tops usually have a good resistance to compressive forces exerted on the shaft top of the underground surrounding the shaft structure.
  • a disadvantage of the known shaft top parts is that the region of the transition between the shaft cone and the access part is more easily deformed than the shaft cone or the access part. Compressive stress as a result of mutually reinforcing radially inwardly directed force components acting on the transition region may cause the shaft top to bend inwardly at that location.
  • a generic shaft top is from the DE 69711377 T2 known.
  • the disclosure relates to a shaft top with an access part and a shaft cone, which is connected to the access part and can be placed with a peripheral part opposite the access part on a manhole ring, wherein the shaft cone has a substantially outwardly arched basic shape.
  • This shaft top is intended to overcome the disadvantages of the known prior art, especially in compressive stresses do not bend inwards. This should be realized in that in the region of the transition from the access part to the shaft cone a substantially parallel to the plane in which the peripheral edge is located aligned reinforcing rib is provided on the outer surface of the shaft cone, which extends over the entire circumference of the shaft cone.
  • a disadvantage of this shaft top is that the reinforcements are arranged substantially radially and thus can not easily remove vertically attacking traffic loads.
  • the pressure struts required for a removal of vertical loads from a static point of view are not arranged on the known shaft top part.
  • the shaft top according to the invention is characterized in that the shaft cone has at least three sections in which substantially mutually parallel stiffening elements are arranged.
  • the shaft top according to the invention combines the advantages of various existing systems and simultaneously eliminates their known disadvantages.
  • the sections of the shaft upper part are separated from each other by at least one reinforcing element, so that an optimal load transfer of the shaft upper part according to the invention is possible.
  • the upper part of the shaft according to the invention has on its side opposite the access part a connecting element, which is designed so that it is sealingly placed on other shaft middle parts or manhole bases.
  • the reinforcing elements advantageously connect the connecting element with the access part.
  • the stiffening elements are designed so that they connect the connecting element with the access part.
  • the upper shaft part according to the invention is designed so that at least one reinforcing element is arranged at a distance from the connecting element; wherein this reinforcing element is arranged, for example, circumferentially on the shaft cone.
  • the reinforcing element can connect adjacent stiffening elements with each other, so that the required ring rigidity and dimensional stability of the shaft upper part according to the invention is ensured.
  • the stiffening elements of the upper part of the shaft according to the invention are formed, for example, as a rib and / or bead, so that according to the dimensions of the upper part of the shaft according to the invention, the resulting traffic loads are safely abradable.
  • the shaft top according to the invention comparatively cost-effective vertical and horizontal reinforcing and stiffening elements are integrally formed for the removal of traffic loads, so that the shaft top according to the invention can be dimensioned for all arising stresses.
  • the stiffening elements are formed as a bead or bead, so that the rigidity of the curved basic shape of the shaft cone is still improved or optimized.
  • transport elements are arranged on the reinforcing elements, which allow a safe lifting and safe transport of the shaft top according to the invention already in the production, but also during assembly.
  • additional securing elements are arranged, for example, on the reinforcing elements, which also allow safe and accident-free transport, as well as a similar installation of the shaft upper part according to the invention.
  • the security elements have the advantage that with you a restrained connection between the shaft top and a shaft middle part or manhole base can be made.
  • the shaft top according to the invention has, in a further advantageous embodiment, at least one marking element for alignment, which allows a fast and easy assembly of the shaft top to be mounted shaft structures.
  • the stiffening elements By forming the stiffening elements as bulges and / or bead, the inner surface of the shaft top is channel-like divided by the stiffening elements, resulting in a high rigidity of the shaft top part according to the invention.
  • the shaft top according to the invention is advantageous in the access part, which is for example integrally connected to the access part.
  • an entry aid can advantageously be introduced into a shaft structure which is covered with the shaft upper part according to the invention.
  • the holding element is approximately U-shaped, so that there is the possibility in two diametrically arranged holding elements to introduce an additional step and thus to allow a safe entry, for example in the inspection of a shaft structure, by the shaft top according to the invention.
  • shaft upper part according to the invention Another advantage of the shaft upper part according to the invention is seen in the fact that through the use of a thermoplastically processable material, in particular polypropylene, for the shaft top according to the invention a cost-effective production can be realized while maintaining high ring stiffness or impact resistance.
  • a shaft top according to the invention is easy to inspect by a light coloration such as orange brown and has a very high chemical resistance by the use of a polypropylene material.
  • Fig. 1 shows a shaft top 10 according to the invention for a shaft, not shown, with an access part 11 and a shaft cone 12 which is connected to the access part 11 and with a connecting element 13 on the access part 11 opposite side of the shaft cone 12 on another shaft element, such as a central part or lower part, can be placed.
  • the shaft cone 12 of the shaft top 10 has a substantially outwardly arched basic shape.
  • the shaft top 10 according to the invention is designed such that the shaft cone 12 has at least three sections A, B, C, in which substantially mutually parallel stiffening elements 20 are arranged.
  • the sections A, B, C of the shaft upper part 10 according to the invention can be separated from one another by at least one reinforcing element 30, which further improves the rigidity of the shaft upper part 10 according to the invention.
  • the reinforcing element 30 advantageously connects the connecting element 13 to the access part 11.
  • the shaft top 10 according to the invention has a reinforcing element 40, which is spaced from the connecting element 13 and which is arranged circumferentially on the shaft cone 12 in this embodiment. In this embodiment, three reinforcing elements 40 are arranged to achieve a required ring stiffness.
  • the reinforcing elements 40 are integrally connected to the shaft cone 12.
  • the stiffening elements 20 of the shaft upper part 10 according to the invention are formed in this embodiment as a bead or bead, which interrupt the inner surface of the shaft cone 12, so that the stiffening elements 20 are arranged approximately wave-shaped.
  • the shaft top 10 according to the invention has on the reinforcing elements 30 on transport elements 31, which ensure both in the manufacture of the shaft top 10 as well as during transport or installation safety and reduce the risk of accidents.
  • securing elements 32 are arranged on the reinforcing element, which are particularly suitable to produce a restraint connection in a simple and secure manner with an underlying shaft middle part or manhole base, without an elaborate welding of the manhole components is necessary.
  • the securing elements 32 during transport of the shaft top 10 of the invention provide additional security.
  • At least one marking element 14 is arranged, which ensures in particular during assembly of the upper shaft part 10 on a shaft structure for a quick alignment and secure installation.
  • the shaft top 10 has in its access part 11 at least one holding element 15, which is connected in this embodiment in one piece with this.
  • this holding element 15 in the access part 11 a trouble-free and accident-free access to the shaft structure is possible, especially at high shaft tops or access openings.
  • an additional, corrosion-resistant climbing or holding element can be introduced, in particular if two oppositely positioned holding elements 15 are arranged in the access part 11.
  • stiffness values as well as traffic load transfer values can be achieved which hitherto were not possible for shaft tops 10 which can be produced from thermoplastically processable materials. It is thus possible by the shaft top according to the invention, in particular by the geometry and design of the stiffening elements, to combine the advantages of inexpensive and cost-effective production with the advantages of vertical and / or horizontal reinforcing and stiffening elements.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention relates to a manhole top piece (10) for a manhole, comprising an access part (11) and a manhole cone (12) which connects to the access part and can be placed on an additional manhole structure part with a connecting element (13) on the side of the manhole cone upstream of the access part, the manhole cone (12) having a substantially convex basic shape. The manhole cone has at least three sections in which substantially parallel reinforcing elements are provided.

Description

Die Erfindung betrifft ein Schachtoberteil gemäß dem Oberbegriff des Anspruches 1.The invention relates to a shaft top according to the preamble of claim 1.

Derartige Schachtoberteile sind aus dem Stand der Technik und der Praxis bekannt. Aufgrund der nach außen gewölbten Form haben derartige Schachtoberteile üblicherweise eine gute Widerstandsfähigkeit gegen Druckkräfte, die auf das Schachtoberteil aus dem das Schachtbauwerk umgebenden Untergrund ausgeübt werden.Such shaft tops are known from the prior art and practice. Due to the outwardly arched shape, such shaft tops usually have a good resistance to compressive forces exerted on the shaft top of the underground surrounding the shaft structure.

Nachteilig bei den bekannten Schachtoberteilen ist, dass sich der Bereich des Übergangs zwischen Schachtkonus und Zugangsteil leichter verformt als der Schachtkonus oder das Zugangsteil. Eine Druckbeanspruchung als Ergebnis von sich wechselseitig verstärkenden, radial einwärts gerichteten, auf den Übergangsbereich wirkenden Kraftkomponenten kann dazu führen, dass sich das Schachtoberteil an dieser Stelle nach innen verbiegt.A disadvantage of the known shaft top parts is that the region of the transition between the shaft cone and the access part is more easily deformed than the shaft cone or the access part. Compressive stress as a result of mutually reinforcing radially inwardly directed force components acting on the transition region may cause the shaft top to bend inwardly at that location.

Ein weiterer Nachteil bekannter Schachtoberteile besteht darin, dass deren Herstellungskosten beispielsweise im Rotationsverfahren sehr hoch sind, während bei Schachtoberteilen, die im Spritzgussverfahren hergestellt sind, vertikale Verstärkungen zur Abtragung von Vertikallasten fehlen.Another disadvantage of known shaft tops is that their manufacturing costs are very high, for example in the rotation process, while in the case of shaft tops, which are made by injection molding, vertical reinforcements for removal of vertical loads are missing.

Ein gattungsgemäßes Schachtoberteil ist aus der DE 69711377 T2 bekannt. Die Offenbarung bezieht sich auf ein Schachtoberteil mit einem Zugangsteil und einem Schachtkonus, der mit dem Zugangsteil verbunden ist und mit einer dem Zugangsteil gegenüberliegenden Umfangskante auf einen Schachtring aufsetzbar ist, wobei der Schachtkonus eine im Wesentlichen nach außen gewölbte Grundform hat. Dieses Schachtoberteil soll die Nachteile des bekannten Standes der Technik überwinden, insbesondere bei Druckbeanspruchungen sich nicht nach innen verbiegen. Dies soll dadurch realisiert sein, dass im Bereich des Übergangs vom Zugangsteil zum Schachtkonus eine im Wesentlichen parallel zu der Ebene, in der die Umfangskante gelegen ist, ausgerichtete Verstärkungsrippe auf dem Außenmantel des Schachtkonus vorgesehen ist, die sich über den gesamten Umfang des Schachtkonus erstreckt.A generic shaft top is from the DE 69711377 T2 known. The disclosure relates to a shaft top with an access part and a shaft cone, which is connected to the access part and can be placed with a peripheral part opposite the access part on a manhole ring, wherein the shaft cone has a substantially outwardly arched basic shape. This shaft top is intended to overcome the disadvantages of the known prior art, especially in compressive stresses do not bend inwards. This should be realized in that in the region of the transition from the access part to the shaft cone a substantially parallel to the plane in which the peripheral edge is located aligned reinforcing rib is provided on the outer surface of the shaft cone, which extends over the entire circumference of the shaft cone.

Nachteilig bei diesem Schachtoberteil ist, dass die Verstärkungen im Wesentlichen radial angeordnet sind und somit vertikal angreifende Verkehrslasten schlecht abtragen können. Die für eine Abtragung von Vertikallasten aus statischer Sicht erforderlichen Druckstreben sind an dem bekannten Schachtoberteil nicht angeordnet.A disadvantage of this shaft top is that the reinforcements are arranged substantially radially and thus can not easily remove vertically attacking traffic loads. The pressure struts required for a removal of vertical loads from a static point of view are not arranged on the known shaft top part.

Ein weiterer Nachteil des bekannten Schachtoberteils besteht darin, dass keine Vorrichtungen zum sicheren Anheben und Transport der Bauteile von der Lagerstelle zur Einbaustelle vorgesehen sind, wodurch eine erhöhte Unfallgefahr besteht.Another disadvantage of the known shaft top is that no devices for safe lifting and transport of the components are provided by the bearing to the installation point, which is an increased risk of accidents.

Weitere Schachtoberteile sind aus der DE 100 05 688 C1 bekannt. Weiter zeigt US 2001/0042354 A1 ein Schachtoberteil entsprechend dem Oberbegriff des Anspruch 1. Diese weisen am Konus vertikal angeordnete Druckstreben zur Abtragung der Verkehrslasten auf und haben den Nachteil, dass diese im Bereich des Übergangs vom Schachtkonus zum Zugangsteil keine Verstärkung aufweisen und somit eine Druckbeanspruchung als Ergebnis von sich wechselseitig verstärkenden, radial einwärts gerichteten, auf den Übergangsbereich wirkenden Kraftkomponenten dazu führen kann, dass sich das Schachtoberteil an dieser Stelle nach innen verbiegt. Ein weiterer Nachteil dieser bekannten mit Druckstreben ausgestatteten Schachtoberteile besteht darin, dass die Herstellungskosten aufgrund der vorgegebenen Geometrie sehr hoch sind.Further shaft tops are from the DE 100 05 688 C1 known. Next shows US 2001/0042354 A1 a shaft top according to the preamble of claim 1. These have on the cone vertically arranged struts for the removal of the traffic loads and have the disadvantage that they have no reinforcement in the region of the transition from the shaft cone access part and thus a compressive stress as a result of mutually reinforcing radially inwardly directed, acting on the transition region force components can cause the shaft top bends inward at this point. Another disadvantage of these known equipped with compression struts shaft tops is that the manufacturing costs are very high due to the given geometry.

Es ist daher Aufgabe der Erfindung, die Nachteile des bekannten Standes der Technik zu überwinden und ein Schachtoberteil aufzuzeigen, welches wirtschaftlich und kostengünstig herstellbar ist, welches einfach und sicher transportierbar bzw. handhabbar ist und welches sich bei Druckbeanspruchungen nicht wesentlich verformt.It is therefore an object of the invention to overcome the disadvantages of the known prior art and to show a shaft top, which is economical and inexpensive to produce, which is easy and safe to transport or handle and which does not deform significantly under compressive stresses.

Erfindungsgemäß wird dies durch die kennzeichnenden Merkmale des Anspruches 1 gelöst. Weitere vorteilhafte Ausgestaltungen sind in den Unteransprüchen beschrieben.This is achieved by the characterizing features of claim 1 according to the invention. Further advantageous embodiments are described in the subclaims.

Das erfindungsgemäße Schachtoberteil zeichnet sich dadurch aus, dass der Schachtkonus wenigstens drei Abschnitte aufweist, in denen im Wesentlichen parallel zueinander angeordnete Versteifungselemente angeordnet sind. Somit vereint das erfindungsgemäße Schachtoberteil die Vorteile verschiedener bestehender Systeme und schaltet gleichzeitig deren bekannte Nachteile aus.The shaft top according to the invention is characterized in that the shaft cone has at least three sections in which substantially mutually parallel stiffening elements are arranged. Thus, the shaft top according to the invention combines the advantages of various existing systems and simultaneously eliminates their known disadvantages.

In einer vorteilhaften Ausgestaltung sind die Abschnitte des Schachtoberteils durch wenigstens ein Verstärkungselement voneinander getrennt, so dass eine optimale Lastabtragung des erfindungsgemäßen Schachtoberteils möglich ist.In an advantageous embodiment, the sections of the shaft upper part are separated from each other by at least one reinforcing element, so that an optimal load transfer of the shaft upper part according to the invention is possible.

Das erfindungsgemäße Schachtoberteil weist an seiner dem Zugangsteil gegenüberliegenden Seite ein Verbindungselement auf, welches so ausgebildet ist, dass es auf andere Schachtmittelteile oder Schachtunterteile dichtend aufsetzbar ist. Die Verstärkungselemente verbinden dabei vorteilhafterweise das Verbindungselement mit dem Zugangsteil.The upper part of the shaft according to the invention has on its side opposite the access part a connecting element, which is designed so that it is sealingly placed on other shaft middle parts or manhole bases. The reinforcing elements advantageously connect the connecting element with the access part.

In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Schachtoberteils sind die Versteifungselemente so ausgebildet, dass sie das Verbindungselement mit dem Zugangsteil verbinden.In a further advantageous embodiment of the shaft upper part according to the invention, the stiffening elements are designed so that they connect the connecting element with the access part.

Weiterhin vorteilhaft ist das erfindungsgemäße Schachtoberteil so ausgebildet, dass vom Verbindungselement wenigstens ein Verstärkungselement beabstandet angeordnet ist; wobei dieses Verstärkungselement beispielsweise umlaufend am Schachtkonus angeordnet ist. Das Verstärkungselement kann dabei benachbarte Versteifungselemente miteinander verbinden, so dass die geforderte Ringsteifigkeit und Maßhaltigkeit des erfindungsgemäßen Schachtoberteils gewährleistet ist.Further advantageously, the upper shaft part according to the invention is designed so that at least one reinforcing element is arranged at a distance from the connecting element; wherein this reinforcing element is arranged, for example, circumferentially on the shaft cone. The reinforcing element can connect adjacent stiffening elements with each other, so that the required ring rigidity and dimensional stability of the shaft upper part according to the invention is ensured.

Die Versteifungselemente des erfindungsgemäßen Schachtoberteils sind dabei beispielsweise als Rippe und/oder Wulst ausgebildet, so dass entsprechend der Dimensionierung des erfindungsgemäßen Schachtoberteils die anfallenden Verkehrslasten sicher abtragbar sind. Durch das erfindungsgemäße Schachtoberteil werden vergleichsweise kostengünstig vertikale und horizontale Verstärkungs- und Versteifungselemente zur Abtragung von Verkehrsbeanspruchungen einstückig angeformt, so dass das erfindungsgemäße Schachtoberteil für alle anfallenden Beanspruchungen dimensionierbar ist. Die Versteifungselemente sind dabei als Wulst bzw. Sicke ausgebildet, so dass die Steifigkeit der gewölbten Grundform des Schachtkonusses noch verbessert bzw. optimiert wird.The stiffening elements of the upper part of the shaft according to the invention are formed, for example, as a rib and / or bead, so that according to the dimensions of the upper part of the shaft according to the invention, the resulting traffic loads are safely abradable. By means of the shaft top according to the invention, comparatively cost-effective vertical and horizontal reinforcing and stiffening elements are integrally formed for the removal of traffic loads, so that the shaft top according to the invention can be dimensioned for all arising stresses. The stiffening elements are formed as a bead or bead, so that the rigidity of the curved basic shape of the shaft cone is still improved or optimized.

In einer weiteren vorteilhaften Ausgestaltung sind an den Verstärkungselementen Transportelemente angeordnet, die ein sicheres Anheben sowie einen sicheren Transport des erfindungsgemäßen Schachtoberteils schon bei der Herstellung, aber auch bei der Montage gestatten.In a further advantageous embodiment, transport elements are arranged on the reinforcing elements, which allow a safe lifting and safe transport of the shaft top according to the invention already in the production, but also during assembly.

Weiterhin vorteilhaft wird gesehen, dass beispielsweise an den Verstärkungselementen zusätzliche Sicherungselemente angeordnet sind, die ebenfalls einen sicheren und unfallfreien Transport, sowie eine ebensolche Montage des erfindungsgemäßen Schachtoberteils ermöglichen. Vor allem aber haben die Sicherungselemente den Vorteil, dass mit Ihnen eine längskraftschlüssige Verbindung zwischen dem Schachtoberteil und einem Schachtmittelteil oder Schachtunterteil hergestellt werden kann.Furthermore, it is advantageously seen that additional securing elements are arranged, for example, on the reinforcing elements, which also allow safe and accident-free transport, as well as a similar installation of the shaft upper part according to the invention. But above all, the security elements have the advantage that with you a restrained connection between the shaft top and a shaft middle part or manhole base can be made.

Das erfindungsgemäße Schachtoberteil weist in einer weiteren vorteilhaften Ausgestaltung wenigstens ein Markierungselement zur Ausrichtung auf, welches eine schnelle und problemlose Montage des Schachtoberteils auf zu montierende Schachtbauwerke ermöglicht. Durch die Ausbildung der Versteifungselemente als Aufwölbungen und/oder Wulst ist die innere Oberfläche des Schachtoberteils kanalartig durch die Versteifungselemente aufgeteilt, was zu einer hohen Steifigkeit des erfindungsgemäßen Schachtoberteils führt.The shaft top according to the invention has, in a further advantageous embodiment, at least one marking element for alignment, which allows a fast and easy assembly of the shaft top to be mounted shaft structures. By forming the stiffening elements as bulges and / or bead, the inner surface of the shaft top is channel-like divided by the stiffening elements, resulting in a high rigidity of the shaft top part according to the invention.

Weiterhin vorteilhaft bei dem erfindungsgemäßen Schachtoberteil wird gesehen, dass im Zugangsteil wenigstens ein Halteelement angeordnet ist, wobei dieses beispielsweise einstückig mit dem Zugangsteil verbunden ist. Hierdurch kann vorteilhafterweise eine Einstieghilfe in ein Schachtbauwerk, welches mit dem erfindungsgemäßen Schachtoberteil abgedeckt ist, eingebracht werden. Das Halteelement ist etwa U-förmig ausgebildet, so dass in zwei diametral angeordneten Halteelementen die Möglichkeit besteht, eine zusätzliche Stufe einzubringen und somit ein gefahrloses Betreten, beispielsweise bei der Inspektion eines Schachtbauwerkes, durch das erfindungsgemäße Schachtoberteil zu ermöglichen.Also advantageous in the shaft top according to the invention is seen that in the access part at least one holding element is arranged, which is for example integrally connected to the access part. As a result, an entry aid can advantageously be introduced into a shaft structure which is covered with the shaft upper part according to the invention. The holding element is approximately U-shaped, so that there is the possibility in two diametrically arranged holding elements to introduce an additional step and thus to allow a safe entry, for example in the inspection of a shaft structure, by the shaft top according to the invention.

Ein weiterer Vorteil des erfindungsgemäßen Schachtoberteils wird darin gesehen, dass durch die Verwendung eines thermoplastisch verarbeitbaren Werkstoffes, insbesondere Polypropylen, für das erfindungsgemäße Schachtoberteil eine kostengünstige Herstellung realisierbar ist bei gleichzeitig hoher Ringsteifigkeit bzw. Schlagzähigkeit. Vorteilhafterweise ist ein derartiges erfindungsgemäßes Schachtoberteil inspektionsfreundlich durch eine helle Farbgebung wie beispielsweise orangebraun und weist eine sehr hohe Chemikalienbeständigkeit durch die Verwendung eines Polypropylenwerkstoffes auf.Another advantage of the shaft upper part according to the invention is seen in the fact that through the use of a thermoplastically processable material, in particular polypropylene, for the shaft top according to the invention a cost-effective production can be realized while maintaining high ring stiffness or impact resistance. Advantageously, such a shaft top according to the invention is easy to inspect by a light coloration such as orange brown and has a very high chemical resistance by the use of a polypropylene material.

Die Erfindung soll nun an einem diese nicht einschränkenden Ausführungsbeispiel näher beschrieben werden.The invention will now be described in more detail on a non-limiting this embodiment.

Es zeigt:

Fig. 1 -
erfindungsgemäßes Schachtoberteil
It shows:
Fig. 1 -
Shaft top according to the invention

Fig. 1 zeigt ein erfindungsgemäßes Schachtoberteil 10 für einen nicht dargestellten Schacht mit einem Zugangsteil 11 und einem Schachtkonus 12, welcher mit dem Zugangsteil 11 verbunden ist und mit einem Verbindungselement 13 auf der dem Zugangsteil 11 gegenüberliegenden Seite des Schachtkonusses 12 auf ein weiteres Schachtelement, wie beispielsweise ein Mittelteil oder Unterteil, aufsetzbar ist. Der Schachtkonus 12 des Schachtoberteils 10 weist eine im Wesentlichen nach außen gewölbte Grundform auf. Das erfindungsgemäße Schachtoberteil 10 ist so ausgebildet, dass der Schachtkonus 12 wenigstens drei Abschnitte A, B, C aufweist, in denen im Wesentlichen parallel zueinander angeordnete Versteifungselemente 20 angeordnet sind. Die Abschnitte A, B, C des erfindungsgemäßen Schachtoberteils 10 können durch wenigstens ein Verstärkungselement 30 voneinander getrennt sein, was die Steifigkeit des erfindungsgemäßen Schachtoberteils 10 noch verbessert. Das Verstärkungselement 30 verbindet vorteilhafterweise das Verbindungselement 13 mit dem Zugangsteil 11. Durch das Verstärkungselement 30 werden zumindest teilweise aufeinander zulaufende Versteifungselemente 20 aus den Abschnitten A, B, C miteinander verbunden. Das erfindungsgemäße Schachtoberteil 10 weist ein Verstärkungselement 40 auf, welches vom Verbindungselement 13 beabstandet ist und welches in diesem Ausführungsbeispiel umlaufend am Schachtkonus 12 angeordnet ist. In diesem Ausführungsbeispiel sind zur Erzielung einer erforderlichen Ringsteifigkeit drei Verstärkungselemente 40 angeordnet. Die Verstärkungselemente 40 sind einstückig mit dem Schachtkonus 12 verbunden. Durch das Verstärkungselement 40 werden vorteilhafterweise benachbarte Versteifungselemente 20 miteinander verbunden, so dass hierdurch die Ringsteifigkeit und Längssteifigkeit für die Verkehrslastabtragung des erfindungsgemäßen Schachtoberteils 10 optimiert wird. Die Versteifungselemente 20 des erfindungsgemäßen Schachtoberteils 10 sind in diesem Ausführungsbeispiel als Wulst oder Sicke ausgebildet, die die innere Oberfläche des Schachtkonusses 12 unterbrechen, so dass die Versteifungselemente 20 etwa wellenförmig angeordnet sind. Das erfindungsgemäße Schachtoberteil 10 weist an den Verstärkungselementen 30 Transportelemente 31 auf, die sowohl bei der Herstellung des Schachtoberteils 10 als auch beim Transport bzw. Montage die Sicherheit gewährleisten und die Unfallgefahr reduzieren. Weiterhin sind am Verstärkungselement 30 Sicherungselemente 32 angeordnet, die insbesondere dazu geeignet sind, auf einfache und sichere Weise eine längskraftschlüssige Verbindung mit einem darunter befindlichen Schachtmittelteil oder Schachtunterteil herzustellen, ohne dass eine aufwendige Verschweißung der Schachtbauteile notwendig wird. Außerdem sorgen die Sicherungselemente 32 beim Transport des erfindungsgemäßen Schachtoberteils 10 für zusätzliche Sicherheit. Fig. 1 shows a shaft top 10 according to the invention for a shaft, not shown, with an access part 11 and a shaft cone 12 which is connected to the access part 11 and with a connecting element 13 on the access part 11 opposite side of the shaft cone 12 on another shaft element, such as a central part or lower part, can be placed. The shaft cone 12 of the shaft top 10 has a substantially outwardly arched basic shape. The shaft top 10 according to the invention is designed such that the shaft cone 12 has at least three sections A, B, C, in which substantially mutually parallel stiffening elements 20 are arranged. The sections A, B, C of the shaft upper part 10 according to the invention can be separated from one another by at least one reinforcing element 30, which further improves the rigidity of the shaft upper part 10 according to the invention. The reinforcing element 30 advantageously connects the connecting element 13 to the access part 11. By the reinforcing element 30, at least partially converging reinforcing elements 20 from the sections A, B, C are connected to one another. The shaft top 10 according to the invention has a reinforcing element 40, which is spaced from the connecting element 13 and which is arranged circumferentially on the shaft cone 12 in this embodiment. In this embodiment, three reinforcing elements 40 are arranged to achieve a required ring stiffness. The reinforcing elements 40 are integrally connected to the shaft cone 12. By the reinforcing element 40 adjacent reinforcing elements 20 are advantageously connected to each other, so that thereby the ring stiffness and longitudinal stiffness for traffic load transfer of the shaft top 10 according to the invention is optimized. The stiffening elements 20 of the shaft upper part 10 according to the invention are formed in this embodiment as a bead or bead, which interrupt the inner surface of the shaft cone 12, so that the stiffening elements 20 are arranged approximately wave-shaped. The shaft top 10 according to the invention has on the reinforcing elements 30 on transport elements 31, which ensure both in the manufacture of the shaft top 10 as well as during transport or installation safety and reduce the risk of accidents. Furthermore, 30 securing elements 32 are arranged on the reinforcing element, which are particularly suitable to produce a restraint connection in a simple and secure manner with an underlying shaft middle part or manhole base, without an elaborate welding of the manhole components is necessary. In addition, the securing elements 32 during transport of the shaft top 10 of the invention provide additional security.

Im Bereich des Verbindungselementes 13 des Schachtoberteils 10 ist mindestens ein Markierungselement 14 angeordnet, welches insbesondere bei der Montage des Schachtoberteils 10 auf einem Schachtbauwerk für eine schnelle Ausrichtung und sichere Montage sorgt.In the region of the connecting element 13 of the upper shaft part 10 at least one marking element 14 is arranged, which ensures in particular during assembly of the upper shaft part 10 on a shaft structure for a quick alignment and secure installation.

Das erfindungsgemäße Schachtoberteil 10 weist in seinem Zugangsteil 11 wenigstens ein Halteelement 15 auf, welches in diesem Ausführungsbeispiel einstückig mit diesem verbunden ist. Durch dieses Halteelement 15 im Zugangsteil 11 ist insbesondere bei hohen Schachtoberteilen bzw. Zugangsöffnungen ein problemloser und unfallfreier Zutritt in das Schachtbauwerk möglich. Hier kann ein zusätzliches, korrosionsbeständiges Steige- oder Halteelement eingebracht werden, insbesondere wenn zwei einander gegenüberliegend positionierte Halteelemente 15 im Zugangsteil 11 angeordnet sind.The shaft top 10 according to the invention has in its access part 11 at least one holding element 15, which is connected in this embodiment in one piece with this. By this holding element 15 in the access part 11, a trouble-free and accident-free access to the shaft structure is possible, especially at high shaft tops or access openings. Here, an additional, corrosion-resistant climbing or holding element can be introduced, in particular if two oppositely positioned holding elements 15 are arranged in the access part 11.

Durch die vorteilhafte Anordnung von wenigstens drei Abschnitten A, B, C mit den im Wesentlichen parallel zueinander angeordneten Versteifungselementen sind Steifigkeitswerte sowie Verkehrslastabtragungswerte erreichbar, die für Schachtoberteile 10, welche aus thermoplastisch verarbeitbaren Werkstoffen herstellbar sind, bisher nicht möglich waren. Es ist durch das erfindungsgemäße Schachtoberteil, insbesondere durch die Geometrie und Gestaltung der Versteifungselemente also möglich, die Vorteile preiswerter und kostengünstiger Herstellung mit den Vorteilen vertikaler und/oder horizontaler Verstärkungs- und Versteifungselemente zu verbinden.Due to the advantageous arrangement of at least three sections A, B, C with the stiffening elements arranged substantially parallel to one another, stiffness values as well as traffic load transfer values can be achieved which hitherto were not possible for shaft tops 10 which can be produced from thermoplastically processable materials. It is thus possible by the shaft top according to the invention, in particular by the geometry and design of the stiffening elements, to combine the advantages of inexpensive and cost-effective production with the advantages of vertical and / or horizontal reinforcing and stiffening elements.

Claims (14)

  1. Manhole upper part (10) for a manhole having an access part (11) and a manhole cone (12) which is connected to the access part (11) and can be placed on a further manhole element by way of a connecting element (13) on that side of the manhole cone (12) opposite the access part (11), wherein the manhole cone (12) has a substantially outwardly curved basic shape, characterized in that the manhole cone (12) has at least three sections (A, B, C) in which stiffening elements (20) arranged substantially parallel to one another are arranged.
  2. Manhole upper part according to Claim 1, characterized in that the sections (A, B, C) are separated from one another by at least one reinforcing element (30).
  3. Manhole upper part according to Claims 1 and 2, characterized in that the reinforcing element (30) connects the connecting element (13) to the access part (11).
  4. Manhole upper part according to Claims 1 to 3, characterized in that the stiffening element (20) connects the connecting element (13) to the access part (11).
  5. Manhole upper part according to Claims 1 to 4, characterized in that at least one reinforcing element (40) is arranged with a spacing from the connecting element (13).
  6. Manhole upper part according to Claim 5, characterized in that the reinforcing element (40) is arranged on the manhole cone (12) in an encircling manner.
  7. Manhole upper part according to Claims 5 and 6, characterized in that the reinforcing element (40) interconnects adjacent stiffening elements (20).
  8. Manhole upper part according to Claims 1 to 7, characterized in that the stiffening element (20) is designed as a rib.
  9. Manhole upper part according to Claims 1 to 8, characterized in that the stiffening element (20) is designed as a ridge.
  10. Manhole upper part according to Claims 1 to 9, characterized in that the stiffening element (20) is designed to be trapezoidal.
  11. Manhole upper part according to Claims 1 to 10, characterized in that the stiffening element (20) is designed as a bead.
  12. Manhole upper part according to Claims 1 to 11, characterized in that transport elements (31) are arranged on the reinforcing element (30).
  13. Manhole upper part according to Claims 1 to 12, characterized in that securing elements (32) are arranged on the reinforcing element (30).
  14. Manhole upper part according to Claims 1 to 13, characterized in that the connecting element (13) has at least one marking element (14).
EP06762179A 2005-06-29 2006-06-26 Top piece for a manhole structure Active EP1902181B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200631347T SI1902181T1 (en) 2005-06-29 2006-06-26 Top piece for a manhole structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202005010486U DE202005010486U1 (en) 2005-06-29 2005-06-29 Schacht shell
PCT/EP2006/006134 WO2007000299A1 (en) 2005-06-29 2006-06-26 Top piece for a manhole structure

Publications (2)

Publication Number Publication Date
EP1902181A1 EP1902181A1 (en) 2008-03-26
EP1902181B1 true EP1902181B1 (en) 2012-03-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06762179A Active EP1902181B1 (en) 2005-06-29 2006-06-26 Top piece for a manhole structure

Country Status (8)

Country Link
EP (1) EP1902181B1 (en)
AT (1) ATE549464T1 (en)
DE (1) DE202005010486U1 (en)
EA (1) EA011704B1 (en)
PL (1) PL64277Y1 (en)
SI (1) SI1902181T1 (en)
SK (1) SK4843U (en)
WO (1) WO2007000299A1 (en)

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DE202005010489U1 (en) * 2005-06-29 2006-08-17 Rehau Ag + Co. Schacht shell
DE202005021846U1 (en) * 2005-08-15 2010-09-02 Hilkmann, Ralf Manhole frame with receptacle for boarding assistance
EP2000598A1 (en) 2007-06-04 2008-12-10 Ifw Manfred Otte GmbH Upper part of a manhole shaft
DE102008011435A1 (en) 2008-02-27 2009-09-03 Fränkische Rohrwerke Gebr. Kirchner Gmbh & Co. Kg Hopper upper section for arranging servicing hopper, has connecting unit, where hopper upper section is connected with hopper pipe or hopper lower section by connecting unit
EP2177667A1 (en) * 2008-10-16 2010-04-21 Kessel GmbH Shaft or shaft element and step tread
WO2011148204A1 (en) * 2010-05-28 2011-12-01 Heplast-Pipe D.O.O. Manhole shaft
CN106245681A (en) * 2016-08-25 2016-12-21 中国十七冶集团有限公司 A kind of highstrenghtpiston's inspection shaft barrel structure
DE202018107218U1 (en) * 2018-12-18 2020-03-23 Rehau Ag + Co Formwork ring for a hybrid compensation ring and hybrid compensation ring
DE202018107216U1 (en) * 2018-12-18 2020-03-19 Rehau Ag + Co Formwork ring for a hybrid support ring and hybrid support ring

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Also Published As

Publication number Publication date
SK4843U (en) 2007-10-04
DE202005010486U1 (en) 2006-08-24
EA200800165A1 (en) 2008-04-28
WO2007000299A1 (en) 2007-01-04
SI1902181T1 (en) 2012-07-31
PL64277Y1 (en) 2009-02-27
EA011704B1 (en) 2009-04-28
EP1902181A1 (en) 2008-03-26
ATE549464T1 (en) 2012-03-15
PL116651U1 (en) 2007-05-28

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