EP3064650B1 - Système de fermeture de puits et procédé de montage - Google Patents

Système de fermeture de puits et procédé de montage Download PDF

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Publication number
EP3064650B1
EP3064650B1 EP16151930.1A EP16151930A EP3064650B1 EP 3064650 B1 EP3064650 B1 EP 3064650B1 EP 16151930 A EP16151930 A EP 16151930A EP 3064650 B1 EP3064650 B1 EP 3064650B1
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EP
European Patent Office
Prior art keywords
shaft
concrete support
cover assembly
shaft cover
support shell
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
EP16151930.1A
Other languages
German (de)
English (en)
Other versions
EP3064650A1 (fr
Inventor
Ralf Sonnenberg
Nico Leber
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.)
Meierguss Sales and Logistics GmbH and Co KG
Original Assignee
Meierguss Sales and Logistics GmbH and Co KG
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.)
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Publication date
Application filed by Meierguss Sales and Logistics GmbH and Co KG filed Critical Meierguss Sales and Logistics GmbH and Co KG
Priority to PL16151930T priority Critical patent/PL3064650T3/pl
Publication of EP3064650A1 publication Critical patent/EP3064650A1/fr
Application granted granted Critical
Publication of EP3064650B1 publication Critical patent/EP3064650B1/fr
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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

Definitions

  • the invention relates to a manhole cover assembly according to the preamble of claim 1 and a method of installing such according to claim 10.
  • the prior art already includes methods for rehabilitating a manhole, wherein a manhole cover assembly is milled with an oblique milling edge. Subsequently, the manhole cover assembly is removed and a new manhole cover assembly inserted into the free-milled opening with the oblique cutting edges. Optionally, a grout is introduced into the installation opening prior to insertion of the manhole cover assembly to compensate for the height differences.
  • a disadvantage of this method is that the traffic loads, which are applied to the manhole cover, for example by vehicles, are passed on in too large an extent on the underlying shaft. Although a partial relief of the shaft is achieved by the conical cutout and the conical design of the selected manhole cover frame, this is often not sufficient for large traffic loads.
  • Another disadvantage of the method disclosed therein is the lack of backfilling a gap. Especially for very different materials such. Cast steel or concrete applied to the cast steel, there is no dampening function or compensating function with respect to the free-milled oblique milling edge.
  • the beats DE 10 2006 056 936 A1 a method for installing a manhole cover consisting of a manhole cover frame and a lid, above a shaft comprising the following steps: To accommodate the manhole cover frame, a mounting hole is first milled conical by means of a shaft milling machine. Subsequently, the installation opening is cleared. A manhole cover frame is centrally inserted and aligned with the mounting hole in this. The space left between the installation opening and the manhole cover frame is filled with binding filling material and the area of the concrete part of the frame with asphalt above the manhole cover.
  • a disadvantage of this embodiment is that the connection of the asphalt in the concrete body of the manhole cover is often insufficient. This is particularly due to the high traffic loads, which act on the then only thinly applied asphalt on the building. In order to defuse this surface layer problem, thickness changes of all types have already been made in the prior art, but these did not lead to the desired result.
  • the object of the invention is to provide a manhole cover assembly for use in road construction and rehabilitation processes, as well as to provide a method of installing a manhole cover frame according to the invention, thereby precluding connection problems and associated cracking between manhole cover assembly and the asphalt.
  • OPA asphalt open-pored asphalt
  • Main features of the invention are specified in the characterizing part of claim 1 and in claim 10. Embodiments are the subject matter of claims 2 to 9 and 11.
  • a manhole cover assembly for use in road construction and rehabilitation process, with a closure element and a manhole cover frame, wherein the manhole cover frame is formed in two parts from a cast receptacle for receiving the closure element and a concrete support body, wherein the concrete support body and the casting receptacle are at least partially positively and materially connected to each other, the casting receptacle projects beyond the concrete support body in the direction of the closure element, and the concrete support body has a downwardly tapering shaft facing away side surface
  • the invention provides that the casting receptacle on the shaft side facing away from the manhole cover arrangement after has at the bottom angled legs, which at least partially surrounds the concrete support body on the side facing away from the shaft.
  • connection section to the road surface.
  • the connection section thus formed not only ensures a clean joint formation, but also causes the separation of the voltage input from the road structure in the shaft structure.
  • a typical road construction begins in the lower area with an antifreeze layer to which the gravel base layer, asphalt base course, binder course and top layer are connected.
  • a shaft structure is usually formed from manhole cover, balance ring, shaft cone and manhole ring.
  • the downwardly angled leg according to the invention which at least partially covers the concrete support body on the side facing away from the shaft, the stresses occurring in the roadworks in the upper area, caused by settlements and shifts that often result from the heavy traffic loads, but also by different thermal expansion coefficients Materials used in case of temperature changes at the shaft structure, reduced in appearance, since shaft and road structure are largely separated.
  • the trained individual joint in the embodiment according to the invention is very narrow, which leads to a significantly reduced use of materials. Savings in the grouting mortar and grout material are just as important here as the elimination of the otherwise required asphalt.
  • the use of asphalt in refurbishment is often difficult because hot asphalt is often not available all day and only in larger quantities. Alternative materials such as cold asphalt are very expensive.
  • the arrangement according to the invention has a whole series of advantages.
  • a development of the invention provides that the leg is L-shaped, which further improves the connection to the road construction.
  • the defined L-shaped section ensures optimum contact surfaces between the cast intake and the road structure.
  • it provides a homogenous joint width between cast admittance and road construction on the entire joint section.
  • the leg is arranged in a non-tapering region of the concrete support body.
  • the taper of the concrete support body then begins directly at the end of the L-shaped leg.
  • the vertical L-shaped section provides a good connection to the surface layer of the road structure, which is optimal for the tightness and frost resistance of the system, while the tapered portion of the concrete support body can be optimally supported on the supporting layer of the road structure. This leads to a high durability of the entire manhole cover arrangement.
  • the leg has a groove or an undercut.
  • the formation of at least one undercut leads to an optimal adhesion of the joint material in the sealing area to the cover layer.
  • a permanently elastic plastic mortar is used for statically and dynamically highly stressed joints.
  • other Fugenvergussmassen that are processed hot or cold are suitable.
  • the trained undercut / groove leads to a particularly good seal between the manhole cover and the existing road construction. This permanently and reliably prevents the ingress of moisture or water between the road structure and manhole cover so that rinsing or frost damage, such as, for example, chipping off of asphalt due to frost, can be reliably prevented.
  • the groove or the undercut is arranged as an annular groove on the shaft side facing away from the Gussus.
  • the design as an annular groove ensures even better securing of the joints material and thus by the lower risk of frost or load damage for greater durability of the shaft structure.
  • a further advantage may also lie in a variant of the invention in the arrangement of a device for receiving a boarding aid in the casting receptacle.
  • annular groove arranged on the concrete support body at the side facing away from the shaft may be present. This creates with its contoured expression on the tapered side surface of the concrete support body a particularly good claw with the grout, which ensures a permanent optimal load transfer.
  • a comparison with the aforementioned improved embodiment provides that three uniformly spaced annular grooves are arranged on the concrete support body on the lateral side facing away from the shaft, which ensure a very homogeneous and even better toothing of the grout with the manhole cover arrangement. This generates an adhesion-optimized surface on the manhole cover in the area of the load transfer surfaces.
  • the downwardly tapering shaft facing side surface of the concrete support body begins at the lower end of the leg of Gussfact.
  • a flush transition occurs. This achieves a clear separation of the edge regions between the support function of the concrete support body in the support layer and the sealing function of the cast receptacle in the cover layer. This leads to a particularly durable solution.
  • the method according to the invention thus ensures, in a simple and cost-effective manner, the formation of a dimensionally accurate excavation for the manhole cover arrangement to be used.
  • the gap formed as an annular space is optimally chosen in size and ideally distributed on all sides of the manhole cover arrangement.
  • the joint space is thus very narrow overall compared to the solutions of the prior art and only a small amount of joint material is required.
  • the same joint gap By forming the joint by means of milling the same joint gap can be used both for anchoring the concrete support body in the support layer as well as for sealing the casting against the cover layer. In the process, first the grouting mortar and then the elastic plastic mortar are introduced into the joint space. The installation time for the introduction of the grout and the sealing compound is thus reduced.
  • plastic mortar is also suitable for sealing the casting receptacle against open-pored asphalt, it can now be used with a manhole cover according to the invention despite the use of a manhole cover frame with downwardly tapering concrete support body.
  • the known from the prior art connection problem and the associated cracking between manhole cover assembly and the cover layer are thus effectively and permanently avoided.
  • Fig. 1 shows a manhole cover assembly (1) according to the invention for use in road construction and rehabilitation, with a closure element (6) and a manhole cover frame (2), wherein the manhole cover frame (2) in two parts from a casting receptacle (3) for receiving the closure element (6) and a Concrete support body (4) is formed, wherein the concrete support body (4) and the casting receptacle (3) at least partially positively and materially connected to each other, the casting receptacle (3) the concrete support body (4) projects beyond in the direction of the closure element (6), and Concrete support (4) has a downwardly tapering shaft facing away side surface (5), wherein the casting receptacle (3) on the shaft facing away from side (7) of the manhole cover assembly (1) has a downwardly angled leg (8), the concrete support body (4) on the side facing away from the shaft (7) at least partially.
  • the leg (8) is L-shaped and arranged in a non-tapering region (9) of the concrete support body (4). Furthermore, it can be seen that the leg (8) has a groove (10).
  • the groove (10) is arranged as an annular groove on the side facing away from the shaft (7) of the casting receptacle (3).
  • a device for receiving an entry aid (11) is formed in the casting receptacle (3).
  • three evenly spaced annular grooves (12) are arranged on the concrete support body (4) at its shaft facing away from the tapered side surfaces (5).
  • the downwardly tapering side facing away from the shaft (5) of the concrete support body (4) starts at the lower end (13) of the leg (8) of the casting receptacle (3).
  • a ring reinforcement (14) in the concrete body (4) can be seen.
  • Fig. 2 describes a section in the region of the joint formation of a manhole cover arrangement (1) according to the invention in the installed state.
  • the plastic mortar (17) is in contact with the covering layer (16), while the grouting mortar (18) delimits the annular space (22) towards the supporting layer (15).
  • the annular grooves (12) can be seen, which ensure a toothing of the concrete support body (4) with the grout (18).
  • Fig. 3 shows the manhole cover assembly (1) according to the invention in front of the over a compensation ring (24) to be carried out on the shaft head (23).
  • a milling head mounting opening 26
  • the support layer (15) still an antifreeze layer (25) is arranged.
  • Fig. 4 describes the manhole cover assembly (1) according to the invention in the installed state. It is well shown that the top of the casting receptacle (3) with the top of the cover layer (16) form a planum (27).
  • plastic mortar (17) in the groove (10) of the casting receptacle (3) creates a very neat joint situation, which ensures a good tightness, so that no water can get into the support layer (15).
  • the grout (18) connects via the annular grooves (12) of the concrete support body (4) in an ideal manner with this and the adjacent support layer (15) and the antifreeze layer (25).
  • the grout (18) ensures that the Bestonstützmaschine (4) evenly rests on the compensation ring (24), resulting in a homogeneous stress distribution in the component and the associated longevity.
  • the device for receiving an entry aid (11) is located in the edge region of the manhole entry and is thus practically positioned.
  • Fig. 5 describes the manhole cover assembly (1) according to the invention in the installed state from a bird's eye view but without closure element. Only the cover layer (16) of the road structure can be seen.
  • the manhole cover frame (2) adjoins the cover layer (16) with its casting receptacle (3) via only one joint made of plastic mortar (17). Furthermore, the device for receiving an entry aid (11) can be seen.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Claims (11)

  1. Ensemble de recouvrement de puits (1) destiné à être utilisé dans la construction de nouvelles routes et dans des procédés de rénovation, comprenant un élément de fermeture (6) et un châssis de recouvrement de puits (2),
    dans lequel le châssis de recouvrement de puits est réalisé en deux parties à partir d'un logement en fonte (3) servant à loger l'élément de fermeture et un corps de soutien en béton (4), dans lequel le corps de soutien en béton et le logement en fonte sont reliés l'un à l'autre au moins par endroits par complémentarité de forme et par liaison de matière, le logement en fonte dépasse du corps de soutien en béton en direction de l'élément de fermeture, et le corps de soutien en béton présente une face latérale (5) opposée au puits se rétrécissant vers le bas, caractérisé en ce que le logement en fonte présente, au niveau du côté (7), opposé au puits, de l'ensemble de recouvrement de puits, une branche (8) coudée vers le bas, qui comprend au moins en partie le corps de soutien en béton (4) au niveau du côté (7) de ce dernier opposé au puits.
  2. Ensemble de recouvrement de puits selon la revendication 1, caractérisé en ce que la branche (8) est en forme de L.
  3. Ensemble de recouvrement de puits selon la revendication 1 ou 2, caractérisé en ce que la branche est disposée dans une zone (9) ne se rétrécissant pas du corps de soutien en béton.
  4. Ensemble de recouvrement de puits selon l'une quelconque des revendications précédentes, caractérisé en ce que la branche présente une rainure (10).
  5. Ensemble de recouvrement de puits selon la revendication 4, caractérisé en ce que la rainure est disposée en tant que rainure annulaire (12) sur la face latérale, opposée au puits, du logement en fonte.
  6. Ensemble de recouvrement de puits selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un dispositif (11) servant à loger un système d'aide à la montée est réalisé dans le logement en fonte.
  7. Ensemble de recouvrement de puits selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une rainure annulaire (12) est disposée au niveau du corps de soutien en béton au niveau de la face latérale opposée au puits.
  8. Ensemble de recouvrement selon la revendication 7, caractérisé en ce que trois rainures annulaires espacées les unes des autres de manière régulière sont disposées au niveau du corps de soutien en béton au niveau de la face latérale opposée au puits.
  9. Ensemble de recouvrement de puits selon l'une quelconque des revendications précédentes, caractérisé en ce que la face latérale, opposée au puits, se rétrécissant vers le bas, du corps de soutien en béton, commence au niveau de l'extrémité inférieure de la branche du logement en fonte.
  10. Procédé servant au montage d'un châssis de recouvrement de puits selon l'une quelconque des revendications 1 à 9, dans lequel
    - une ouverture de montage est dégagée par fraisage au moyen d'une tête de fraisage au-dessus d'un ouvrage de puits de telle manière que l'arête de fraisage (19) réalisée s'étend dans la zone supérieure (20) de manière correspondante au logement en fonte pouvant être inséré du châssis de recouvrement de puits et dans la zone inférieure (21) de manière correspondante au corps de soutien en béton disposé au niveau du logement en fonte,
    - par la suite le châssis de recouvrement de puits selon l'une quelconque des revendications 1 à 9 est réalisé au-dessus de la tête de puits et est fixé provisoirement de telle manière qu'un espace annulaire (22) à remplir est réalisé,
    - l'espace annulaire est immédiatement après rempli d'un mortier de scellement (18) dans la zone d'appui du corps de soutien en béton,
    - et l'espace annulaire restant est immédiatement après rempli, dans la zone du logement en fonte, d'un mortier en matière synthétique (17) durablement élastique pour des joints soumis à des contraintes élevées statiques et dynamiques.
  11. Procédé selon la revendication 10, caractérisé en ce que le mortier en matière synthétique durablement élastique remplit la rainure dans la branche.
EP16151930.1A 2015-02-26 2016-01-19 Système de fermeture de puits et procédé de montage Active EP3064650B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16151930T PL3064650T3 (pl) 2015-02-26 2016-01-19 Układ pokrywy włazu i sposób montażu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015102803.4A DE102015102803A1 (de) 2015-02-26 2015-02-26 Schachtabdeckungsanordnung und Verfahren zum Einbau

Publications (2)

Publication Number Publication Date
EP3064650A1 EP3064650A1 (fr) 2016-09-07
EP3064650B1 true EP3064650B1 (fr) 2017-12-13

Family

ID=55272224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16151930.1A Active EP3064650B1 (fr) 2015-02-26 2016-01-19 Système de fermeture de puits et procédé de montage

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EP (1) EP3064650B1 (fr)
DE (1) DE102015102803A1 (fr)
PL (1) PL3064650T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685203B (zh) * 2019-09-19 2021-04-20 杭州南岳建设工程有限公司 检查井雨水口周边压实度保证方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400875A1 (de) * 1984-01-12 1985-07-18 Stanislaus Dipl.-Ing. 7340 Geislingen Malik Schachtabdeckung
DE4031778C1 (en) * 1990-10-07 1991-10-17 Eci - European Chemical Industries Ltd., Monaghan, Ie Anti-pollution covering for soil - has stretchable supporting layer with fluid covering layer above it
DE29709676U1 (de) * 1997-06-04 1997-07-24 Postelt, Peter, 58710 Menden Schacht bzw. Straßenablauf mit Schachtabdeckung
DE102006056936A1 (de) 2006-11-30 2008-06-05 Buderus Kanalguss Gmbh Verfahren zum Einbau einer Schachtabdeckung sowie die zugehörige Schachtabdeckung
DE202008003124U1 (de) * 2008-03-05 2008-06-05 Heinrich Meier Eisengiesserei Gmbh & Co. Kg Rahmen einer Schachtabdeckung
DE202012000593U1 (de) * 2012-01-20 2012-02-27 Schachtguss-Ht Gmbh Schachtrahmen und Schachtabdeckung mit einer austauschbaren Aufnahme zur Befestigung einer Einstiegshilfe sowie System aus Schachtrahmen und Einstiegshilfe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3064650T3 (pl) 2018-05-30
DE102015102803A1 (de) 2016-09-01
EP3064650A1 (fr) 2016-09-07

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