EP1182299A2 - Method and device for drilling a manhole cover - Google Patents

Method and device for drilling a manhole cover Download PDF

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Publication number
EP1182299A2
EP1182299A2 EP01110929A EP01110929A EP1182299A2 EP 1182299 A2 EP1182299 A2 EP 1182299A2 EP 01110929 A EP01110929 A EP 01110929A EP 01110929 A EP01110929 A EP 01110929A EP 1182299 A2 EP1182299 A2 EP 1182299A2
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EP
European Patent Office
Prior art keywords
manhole cover
milling
cover support
support
manhole
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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.)
Granted
Application number
EP01110929A
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German (de)
French (fr)
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EP1182299A3 (en
EP1182299B1 (en
Inventor
Jürgen Stehr
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Individual
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Priority to DE20122452U priority Critical patent/DE20122452U1/en
Publication of EP1182299A2 publication Critical patent/EP1182299A2/en
Publication of EP1182299A3 publication Critical patent/EP1182299A3/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • E01C23/0885—Rotary tools, e.g. milling drums with vertical or steeply inclined rotary axis
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1445—Tools for positioning or removing cover frames

Definitions

  • the invention relates to a method for free milling a manhole cover and / or a manhole cover support with a round milling head and a device for carrying out of the procedure.
  • manhole covers and manhole cover supports or drilled such that a cylindrical Milling or drilling head the manhole cover and the Manhole cover support milled or drilled. It will be vertical Milled edges generated, and the manhole cover support with the manhole cover is lifted out.
  • Manhole covers are nowadays for larger loads, designed for example up to 40 tons.
  • the entire substructure the shaft is designed for these high loads, in particular for older shafts, not designed. It means that either the entire manhole base can also be replaced must, which is very expensive, or the substructure is not removed, often causing settlement damage occur.
  • the technical problem underlying the invention is a method for milling a manhole cover and / or to specify a manhole cover support at which the disadvantages mentioned do not occur, as well as a Device for performing the method and a Manhole.
  • the manhole cover and / or the manhole cover support with a round milling head, which creates an oblique milling edge, is milled free is with a renovation or with a New construction of the shaft, a hole with an oblique milling edge available, in which a new manhole cover support is inserted becomes.
  • This new manhole cover support is based on the oblique milling edges in the carrier layer of the Road asphalt, so that not the entire load of the Manhole cover support and manhole cover from the substructure is worn, but much of the pressure from that Asphalt or the ground is picked up.
  • the method according to the invention is a remediation of a manhole so possible that the manhole cover and / or the manhole cover support with angled milling edge be milled free.
  • the manhole cover and the manhole cover support are then removed. After that a new manhole cover in the milled opening with the oblique milling edges, and the manhole cover is finally inserted into the manhole cover support.
  • the shaft When the shaft is rebuilt, the shaft is moved into the Road construction introduced. A dummy cover is placed on the shaft assembled, and then the road is paved. Then the blind cover with the invention Device according to the inventive method milled free in such a way that the inclined milling edges arise. Then the manhole cover support inserted with the manhole cover.
  • the application of the method according to the invention in a New shaft construction has the advantage that significantly less Settlement damage occurs as per the state of the Technology-related shafts.
  • a manhole cover support is advantageously used, which also has tapered side surfaces. This ensures an optimal distribution of power to the surrounding asphalt reached.
  • the is particularly advantageous Inclination angle of the tapered side surfaces essentially equal to the angle of inclination of the oblique Milled edges formed. This creates an optimal power distribution on the asphalt base course and Manhole base reached.
  • a mortar is placed in the opening with the sloping edges. It is preferably a high-strength, fast-curing assembly or grouting mortar.
  • This mortar serves two purposes. On the one hand, this creates a non-positive connection between the manhole cover support and the oblique edges of the milled opening. As a result, the manhole cover support is optimally supported on the asphalt support layer. On the other hand, the mortar makes it possible to level the manhole cover when inserting it, so that a flat surface is created at the end and the manhole cover is level with the road surface.
  • the oblique milling edge with a Milling head formed which is also a conical has a tapered shape.
  • the side faces of the milling head, that are tapered are studded with milling chisels.
  • the lower annular rim of the Milling head has additional milling chisels.
  • the milling head according to the invention is on conventional milling devices arranged.
  • This device has a support frame.
  • the Support frame in turn has three support legs to one to achieve a firm stand during the milling process.
  • the Device is on a carrier vehicle, as on one Excavator, backhoe loader or crane arranged.
  • the engine of the Device is powered by a hydraulic system of the carrier vehicle driven.
  • the device has an outer and an inner Lead frame, with the milling head according to the invention the inner guide frame is arranged. This inner one The lead frame is vertical against the outer lead frame displaceable.
  • edge area is large when renovating a shaft damaged, with an additional cone ring the loads on the intact area further out be transmitted.
  • the cone ring has an adapter function on.
  • Fig. 1 shows a device (1), which is conical has tapering milling head (2).
  • the milling head (2) has milling bits (4) on its side surface (3).
  • a lower annular rim (5) also carries Milling chisel (6).
  • the device is an attachment to a carrier vehicle (not shown) trained.
  • the device For this purpose (1) has a suspension (7).
  • the device (1) is supported by three support legs (8, 9, 10).
  • the carrier vehicle (not shown) forms a counter bearing in such a way that a pressure in the direction of the Arrow (A) is exercised during the actual milling process.
  • the device (1) is above a shaft (11) arranged.
  • the shaft (11) is to be renovated, such that a cylindrically shaped manhole cover support (12) with a manhole cover (13) is removed.
  • the shaft (11) has a shaft cone (14).
  • the manhole cover support (12) is in an asphalt support layer (15) and an asphalt surface course (16).
  • the opening (17) has oblique milling edges (18, 19).
  • a mortar (20) is advantageous in the opening (17) a high-strength, fast-hardening grout in turn a manhole cover support (21), such as shown in Fig. 3 is used.
  • the manhole cover support also has tapered side surfaces (22), whose angle of inclination is the angle of inclination the oblique milling edges (18, 19) are adapted.
  • the Manhole cover support (21) is inserted into the mortar (20). On the one hand, this creates the non-positive Connection between the manhole cover support (21) and the Asphalt carrier layer (15). On the other hand, this is a Height compensation possible, so that a flat road surface (23) is formed.
  • the manhole cover support (21) is also on a Substructure (24) from the grout (20). With the Substructure (24) is the actual height compensation.
  • the manhole cover support (21) has a circumferential one Edge (27) on for asphalting in the ceiling exclusion.
  • the manhole cover is placed in the manhole cover support (25) used. Before or after inserting the manhole cover (25) finally becomes a fine layer (26) of asphalt applied to the asphalt support layer (15).
  • the manhole cover support (21) is at an angle has extending side surfaces (22) over the mortar (20) a positive connection with the bevelled edges (18, 19) of the opening (17), the force that on the manhole cover support (21) and manhole cover (25) acts, transferred to the asphalt support layer (15), so that the manhole base (11) with the manhole cone (14) is relieved.
  • the force is divided into one horizontal and a vertical component. simultaneously there is a reduction in horizontal thrust.
  • the method according to the invention is for new road construction to avoid damage caused by subsidence.
  • the method according to the invention can Rehabilitation of manholes and manhole covers at low cost be applied.
  • the repeated, with very high costs associated adjustment or lifting of the manhole cover is not necessary.
  • Fig. 4 shows a shaft (28). Above the shaft (28) is an opening (29) with an oblique design Side surfaces (30) formed. In the opening (29) is a additional cone ring (31) arranged, which has an adapter function for the manhole cover support (32). By the conical formation of the cone ring (31) and Manhole cover supports are in the direction of the arrow (B) forces acting in turn in horizontal and vertical Components divided. Below the cone ring (31) and the manhole cover support (32) is made of a substructure (33) Grouting mortar for leveling the manhole cover support (32) and the conical ring (31) are provided.
  • the asphalt base course (34), the cone ring (31) and the manhole cover support (32) are (partially) with a Cover layer (35) covered with asphalt.
  • the manhole cover (36) is arranged in the manhole cover support (32) in the manhole cover support (32) in the manhole cover (36).
  • FIG. 5 shows the state after the milling process has ended with the milling device according to the explanations Fig. 1 and Fig. 2, partially cut. Same parts are provided with the same reference numbers.

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

Abstract

The process uses a tool with a round milling head, which forms an angled milled edge (18,19). The edge is at a distance to the manhole cover (13), so that cover and/or cover support (12) are removeable. A new manhole cover support (21) is fitted into the cut opening with angled milled edges, and a new cover (25) is fitted into the support.

Description

Die Erfindung betrifft ein Verfahren zum Freifräsen eines Schachtdeckels und/oder einer Schachtdeckelauflage mit einem runden Fräskopf sowie eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for free milling a manhole cover and / or a manhole cover support with a round milling head and a device for carrying out of the procedure.

Gemäß dem Stand der Technik werden bei der Sanierung von Schächten Schachtdeckel und Schachtdeckelauflagen freigefräst oder gebohrt, derart, dass ein zylindrisch aufgebauter Fräs- oder Bohrkopf den Schachtdeckel und die Schachtdeckelauflage freifräst oder bohrt. Es werden senkrechte Fräskanten erzeugt, und die Schachtdeckelauflage mit dem Schachtdeckel wird herausgehoben. According to the state of the art in the renovation of manholes, manhole covers and manhole cover supports or drilled, such that a cylindrical Milling or drilling head the manhole cover and the Manhole cover support milled or drilled. It will be vertical Milled edges generated, and the manhole cover support with the manhole cover is lifted out.

Die bei der Sanierung gemäß dem Stand der Technik eingebauten Schachtdeckel sind heutzutage für größere Lasten, beispielsweise bis 40 Tonnen ausgelegt. Der gesamte Unterbau des Schachtes ist für diese hohen Lasten, insbesondere bei älteren Schächten, nicht ausgelegt. Das bedeutet, dass entweder der gesamte Schachtunterbau mit ausgetauscht werden muss, was sehr kostenintensiv ist, oder der Unterbau wird nicht mit ausgebaut, wobei dann häufig Setzungsschäden auftreten.The built in during the renovation according to the state of the art Manhole covers are nowadays for larger loads, designed for example up to 40 tons. The entire substructure the shaft is designed for these high loads, in particular for older shafts, not designed. It means that either the entire manhole base can also be replaced must, which is very expensive, or the substructure is not removed, often causing settlement damage occur.

Das der Erfindung zugrunde liegende technische Problem besteht darin, ein Verfahren zum Freifräsen eines Schachtdeckels und/oder einer Schachtdeckelauflage anzugeben, bei dem die genannten Nachteile nicht auftreten, sowie eine Vorrichtung zur Durchführung des Verfahrens und eine Schachtdeckelauflage.The technical problem underlying the invention is a method for milling a manhole cover and / or to specify a manhole cover support at which the disadvantages mentioned do not occur, as well as a Device for performing the method and a Manhole.

Dadurch, dass gemäß dem erfindungsgemäßen Verfahren der Schachtdeckel und/oder die Schachtdeckelauflage mit einem runden Fräskopf, der eine schräge Fräskante erzeugt, freigefräst wird, ist bei einer Sanierung oder bei einem Neubau des Schachtes eine Bohrung mit schräger Fräskante vorhanden, in die eine neue Schachtdeckelauflage eingesetzt wird. Diese neue Schachtdeckelauflage stützt sich auf den schräg verlaufenden Fräskanten in der Trägerschicht des Straßenasphaltes ab, so dass nicht die gesamte Last der Schachtdeckelauflage und des Schachtdeckels von dem Unterbau getragen wird, sondern ein Großteil des Druckes von dem Asphalt beziehungsweise dem Boden aufgenommen wird.The fact that according to the inventive method the manhole cover and / or the manhole cover support with a round milling head, which creates an oblique milling edge, is milled free, is with a renovation or with a New construction of the shaft, a hole with an oblique milling edge available, in which a new manhole cover support is inserted becomes. This new manhole cover support is based on the oblique milling edges in the carrier layer of the Road asphalt, so that not the entire load of the Manhole cover support and manhole cover from the substructure is worn, but much of the pressure from that Asphalt or the ground is picked up.

Mit dem erfindungsgemäßen Verfahren ist es möglich, mehr als 50% des vorhandenen Druckes auf den Asphalt mit den schräg ausgebildeten Fräskanten zu übertragen und damit den Schachtunterbau zu entlasten.With the method according to the invention it is possible to with more than 50% of the existing pressure on the asphalt to transfer the inclined milling edges and thus to relieve the manhole base.

Mit dem erfindungsgemäßen Verfahren ist eine Sanierung eines Schachtes derart möglich, dass der Schachtdeckel und/oder die Schachtdeckelauflage mit schräger Fräskante freigefräst werden. Der Schachtdeckel und die Schachtdeckelauflage werden anschließend entfernt. Danach wird eine neue Schachtdeckelauflage in die freigefräste Öffnung mit den schrägen Fräskanten eingesetzt, und der Schachtdeckel wird zum Schluss in die Schachtdeckelauflage eingesetzt.The method according to the invention is a remediation of a manhole so possible that the manhole cover and / or the manhole cover support with angled milling edge be milled free. The manhole cover and the manhole cover support are then removed. After that a new manhole cover in the milled opening with the oblique milling edges, and the manhole cover is finally inserted into the manhole cover support.

Auch bei einem Neubau eines Schachtes lässt sich das erfindungsgemäße Verfahren sehr vorteilhaft einsetzen.This can also be done with a new shaft Use the method according to the invention very advantageously.

Bei einem Neubau des Schachtes wird der Schacht in den Straßenaufbau eingebracht. Auf dem Schacht wird ein Blinddeckel montiert, und anschließend wird die Straße asphaltiert. Danach wird der Blinddeckel mit der erfindungsgemäßen Vorrichtung gemäß dem erfindungsgemäßen Verfahren freigefräst, derart, dass die schräg ausgebildeten Fräskanten entstehen. Anschließend wird die Schachtdeckelauflage mit dem Schachtdeckel eingesetzt.When the shaft is rebuilt, the shaft is moved into the Road construction introduced. A dummy cover is placed on the shaft assembled, and then the road is paved. Then the blind cover with the invention Device according to the inventive method milled free in such a way that the inclined milling edges arise. Then the manhole cover support inserted with the manhole cover.

Die Anwendung des erfindungsgemäßen Verfahrens bei einem Schachtneubau hat den Vorteil, dass deutlich weniger Setzungsschäden auftreten, als gemäß den zum Stand der Technik gehörenden Schächten.The application of the method according to the invention in a New shaft construction has the advantage that significantly less Settlement damage occurs as per the state of the Technology-related shafts.

Vorteilhaft wird eine Schachtdeckelauflage verwendet, die ebenfalls sich konisch verjüngende Seitenflächen aufweist. Hierdurch wird eine optimale Kraftverteilung auf den umliegenden Asphalt erreicht. Besonders vorteilhaft ist der Neigungswinkel der sich konisch verjüngenden Seitenflächen im Wesentlichen gleich dem Neigungswinkel der schrägen Fräskanten ausgebildet. Hierdurch wird eine optimale Kraftverteilung auf die Trägerschicht des Asphaltes und den Schachtunterbau erreicht.A manhole cover support is advantageously used, which also has tapered side surfaces. This ensures an optimal distribution of power to the surrounding asphalt reached. The is particularly advantageous Inclination angle of the tapered side surfaces essentially equal to the angle of inclination of the oblique Milled edges formed. This creates an optimal power distribution on the asphalt base course and Manhole base reached.

In die gemäß dem erfindungsgemäßen Verfahren freigefräste Öffnung mit den schrägen Kanten wird ein Mörtel eingebracht. Es handelt sich hierbei vorzugsweise um einen hochfesten, schnell härtenden Montage- oder Vergussmörtel.In the milled free according to the inventive method A mortar is placed in the opening with the sloping edges. It is preferably a high-strength, fast-curing assembly or grouting mortar.

Dieser Mörtel erfüllt zwei Aufgaben. Zum einen wird hierdurch eine kraftschlüssige Verbindung zwischen der Schachtdeckelauflage und den schrägen Kanten der ausgefrästen Öffnung erzielt. Hierdurch stützt sich die Schachtdeckelauflage optimal auf der Asphaltträgerschicht ab.
Zum anderen ist es durch den Mörtel möglich, einen Höhenausgleich der Schachtdeckelauflage beim Einsetzen vorzunehmen, so dass zum Schluss eine plane Oberfläche entsteht und die Schachtdeckelauflage in der gleichen Höhe wie die Straßenoberfläche abschließt.This mortar serves two purposes. On the one hand, this creates a non-positive connection between the manhole cover support and the oblique edges of the milled opening. As a result, the manhole cover support is optimally supported on the asphalt support layer.
On the other hand, the mortar makes it possible to level the manhole cover when inserting it, so that a flat surface is created at the end and the manhole cover is level with the road surface.

Gemäß der Erfindung wird die schräge Fräskante mit einem Fräskopf ausgebildet, der ebenfalls eine sich konisch verjüngende Form aufweist. Die Seitenflächen des Fräskopfes, die sich konisch verjüngend ausgebildet sind, sind mit Fräsmeißeln besetzt. Der untere ringförmige Rand des Fräskopfes weist zusätzliche Fräsmeißel auf.According to the invention, the oblique milling edge with a Milling head formed, which is also a conical has a tapered shape. The side faces of the milling head, that are tapered are studded with milling chisels. The lower annular rim of the Milling head has additional milling chisels.

Der erfindungsgemäße Fräskopf ist an üblichen Fräsvorrichtungen angeordnet.The milling head according to the invention is on conventional milling devices arranged.

Es hat sich als besonders vorteilhaft erwiesen, den erfindungsgemäßen Fräskopf an einer Vorrichtung zum Fräsen oder Bohren gemäß dem deutschen Patent 198 11 638.1 anzubringen. Diese Vorrichtung weist ein Traggestell auf. Das Traggestell weist wiederum drei Stützbeine auf, um einen festen Stand während des Fräsvorganges zu erreichen. Die Vorrichtung ist an einem Trägerfahrzeug, wie an einen Bagger, Baggerlader oder Kran angeordnet. Der Motor der Vorrichtung wird von einer Hydraulikanlage des Trägerfahrzeuges angetrieben.It has proven to be particularly advantageous milling head according to the invention on a device for milling or drilling according to German patent 198 11 638.1. This device has a support frame. The Support frame in turn has three support legs to one to achieve a firm stand during the milling process. The Device is on a carrier vehicle, as on one Excavator, backhoe loader or crane arranged. The engine of the Device is powered by a hydraulic system of the carrier vehicle driven.

Die Vorrichtung weist einen äußeren und einen inneren Führungsrahmen auf, wobei der erfindungsgemäße Fräskopf an dem inneren Führungsrahmen angeordnet ist. Dieser innere Führungsrahmen ist gegen den äußeren Führungsrahmen vertikal verschiebbar.The device has an outer and an inner Lead frame, with the milling head according to the invention the inner guide frame is arranged. This inner one The lead frame is vertical against the outer lead frame displaceable.

Es ist gemäß der Erfindung jedoch auch möglich, den erfindungsgemäßen Fräskopf an anderen Vorrichtungen anzuordnen.However, it is also possible according to the invention, the Arrange milling head according to the invention on other devices.

Ist bei einer Schachtsanierung der Randbereich großflächig beschädigt, können mit einem zusätzlichen Konusring die Belastungen auf den weiter außen liegenden intakten Bereich übertragen werden. Der Konusring weist eine Adapterfunktion auf.If the edge area is large when renovating a shaft damaged, with an additional cone ring the loads on the intact area further out be transmitted. The cone ring has an adapter function on.

Weitere Einzelheiten der Erfindung können den Unteransprüchen entnommen werden.Further details of the invention can be found in the subclaims be removed.

Auf der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt, und zwar zeigen:

Fig. 1
eine erfindungsgemäße Vorrichtung, teilweise im Schnitt, vor dem Fräsvorgang;
Fig. 2
eine ausgefräste Öffnung teilweise mit Mörtel gefüllt;
Fig. 3
eine eingebaute Schachtdeckelauflage mit Schachtdeckel im Schnitt;
Fig. 4
ein geändertes Ausführungsbeispiel im Schnitt;
Fig. 5
eine Fräsvorrichtung, teilweise im Schnitt, nach dem Fräsvorgang.
An exemplary embodiment of the invention is shown in the drawing, namely:
Fig. 1
a device according to the invention, partly in section, before the milling process;
Fig. 2
a milled opening partially filled with mortar;
Fig. 3
a built-in manhole cover support with manhole cover in section;
Fig. 4
a modified embodiment in section;
Fig. 5
a milling device, partly in section, after the milling process.

Fig. 1 zeigt eine Vorrichtung (1), die einen sich konisch verjüngenden Fräskopf (2) aufweist. Der Fräskopf (2) weist auf seiner Seitenfläche (3) Fräsmeißel (4) auf.Fig. 1 shows a device (1), which is conical has tapering milling head (2). The milling head (2) has milling bits (4) on its side surface (3).

Ein unterer ringförmiger Rand (5) trägt ebenfalls Fräsmeißel (6).A lower annular rim (5) also carries Milling chisel (6).

Die Vorrichtung ist als Anbauvorrichtung an ein Trägerfahrzeug (nicht dargestellt) ausgebildet. Die Vorrichtung (1) weist hierzu eine Aufhängung (7) auf.The device is an attachment to a carrier vehicle (not shown) trained. The device For this purpose (1) has a suspension (7).

Die Vorrichtung (1) stützt sich mit drei Stützbeinen (8, 9, 10) ab. Das Trägerfahrzeug (nicht dargestellt) bildet ein Gegenlager derart, dass ein Druck in Richtung des Pfeiles (A) beim eigentlichen Fräsvorgang ausgeübt wird.The device (1) is supported by three support legs (8, 9, 10). The carrier vehicle (not shown) forms a counter bearing in such a way that a pressure in the direction of the Arrow (A) is exercised during the actual milling process.

Die Vorrichtung (1) ist oberhalb eines Schachtes (11) angeordnet. Der Schacht (11) soll saniert werden, derart, dass eine zylindrisch ausgebildete Schachtdeckelauflage (12) mit einem Schachtdeckel (13) entfernt wird. The device (1) is above a shaft (11) arranged. The shaft (11) is to be renovated, such that a cylindrically shaped manhole cover support (12) with a manhole cover (13) is removed.

Der Schacht (11) weist einen Schachtkonus (14) auf.The shaft (11) has a shaft cone (14).

Die Schachtdeckelauflage (12) ist in einer Asphaltträgerschicht (15) sowie einer Asphaltdeckschicht (16) angeordnet.The manhole cover support (12) is in an asphalt support layer (15) and an asphalt surface course (16).

Wird der Fräskopf (2) in Richtung des Pfeiles (A) abgesenkt, wird durch den Fräsvorgang eine Öffnung (17) ausgebildet, wie in Fig. 2 dargestellt.If the milling head (2) is lowered in the direction of arrow (A), an opening (17) is formed by the milling process, as shown in Fig. 2.

Die Öffnung (17) weist schräg verlaufende Fräskanten (18, 19) auf. Der Schachtunterbau mit dem Schachtkonus (14) des Schachtes (11) bleibt hierbei erhalten.The opening (17) has oblique milling edges (18, 19). The manhole base with the manhole cone (14) the shaft (11) is retained.

In die Öffnung (17) wird ein Mörtel (20), vorteilhaft ein hochfester, schnell härtender Vergussmörtel eingebracht, in den wiederum eine Schachtdeckelauflage (21), wie in Fig. 3 dargestellt, eingesetzt wird. Die Schachtdeckelauflage weist ebenfalls sich konisch verjüngende Seitenflächen (22) auf, deren Neigungswinkel dem Neigungswinkel der schrägen Fräskanten (18, 19) angepasst sind. Die Schachtdeckelauflage (21) wird in den Mörtel (20) eingesetzt. Hierdurch entsteht zum einen die kraftschlüssige Verbindung zwischen der Schachtdeckelauflage (21) und der Asphaltträgerschicht (15). Zum anderen ist hierdurch ein Höhenausgleich möglich, damit eine ebene Straßenoberfläche (23) gebildet wird.A mortar (20) is advantageous in the opening (17) a high-strength, fast-hardening grout in turn a manhole cover support (21), such as shown in Fig. 3 is used. The manhole cover support also has tapered side surfaces (22), whose angle of inclination is the angle of inclination the oblique milling edges (18, 19) are adapted. The Manhole cover support (21) is inserted into the mortar (20). On the one hand, this creates the non-positive Connection between the manhole cover support (21) and the Asphalt carrier layer (15). On the other hand, this is a Height compensation possible, so that a flat road surface (23) is formed.

Die Schachtdeckelauflage (21) liegt zusätzlich auf einem Unterbau (24) aus dem Vergussmörtel (20) auf. Mit dem Unterbau (24) wird der eigentliche Höhenausgleich vorgenommen. The manhole cover support (21) is also on a Substructure (24) from the grout (20). With the Substructure (24) is the actual height compensation.

Die Schachtdeckelauflage (21) weist eine umlaufende Kante (27) auf zum Überasphaltieren im Deckenausschluss.The manhole cover support (21) has a circumferential one Edge (27) on for asphalting in the ceiling exclusion.

In die Schachtdeckelauflage wird der Schachtdeckel (25) eingesetzt. Vor oder nach Einsetzen des Schachtdeckels (25) wird abschließend eine Feinschicht (26) aus Asphalt auf der Asphaltträgerschicht (15) aufgebracht.The manhole cover is placed in the manhole cover support (25) used. Before or after inserting the manhole cover (25) finally becomes a fine layer (26) of asphalt applied to the asphalt support layer (15).

Dadurch, dass die Schachtdeckelauflage (21) schräg verlaufende Seitenflächen (22) aufweist, die über den Mörtel (20) eine kraftschlüssige Verbindung mit den Schrägkanten (18, 19) der Öffnung (17) eingehen, wird die Kraft, die auf die Schachtdeckelauflage (21) und den Schachtdeckel (25) wirkt, mit auf die Asphaltträgerschicht (15) übertragen, so dass der Schachtunterbau (11) mit dem Schachtkonus (14) entlastet wird. Die Kraft teilt sich nämlich in eine horizontale und eine vertikale Komponente auf. Gleichzeitig tritt eine Reduzierung der horizontalen Schubkräfte auf.Because the manhole cover support (21) is at an angle has extending side surfaces (22) over the mortar (20) a positive connection with the bevelled edges (18, 19) of the opening (17), the force that on the manhole cover support (21) and manhole cover (25) acts, transferred to the asphalt support layer (15), so that the manhole base (11) with the manhole cone (14) is relieved. The force is divided into one horizontal and a vertical component. simultaneously there is a reduction in horizontal thrust.

Das erfindungsgemäße Verfahren ist beim Straßenneubau anzuwenden, um Setzungsschäden zu vermeiden.The method according to the invention is for new road construction to avoid damage caused by subsidence.

Des weiteren kann das erfindungsgemäße Verfahren beim Sanieren von Schächten und Schachtabdeckungen kostengünstig angewandt werden. Das mehrmalige, mit sehr hohen Kosten verbundene Angleichen oder Heben der Schachtdeckel entfällt.Furthermore, the method according to the invention can Rehabilitation of manholes and manhole covers at low cost be applied. The repeated, with very high costs associated adjustment or lifting of the manhole cover is not necessary.

Fig. 4 zeigt einen Schacht (28). Oberhalb des Schachtes (28) ist eine Öffnung (29) mit schräg ausgebildeten Seitenflächen (30) ausgebildet. In der Öffnung (29) ist ein zusätzlicher Konusring (31) angeordnet, der eine Adapterfunktion für die Schachtdeckelauflage (32) ausübt. Durch die konische Ausbildung des Konusringes (31) und der Schachtdeckelauflage werden die in Richtung des Pfeiles (B) wirkenden Kräfte wiederum in horizontale und vertikale Komponenten aufgeteilt. Unterhalb des Konusringes (31) und der Schachtdeckelauflage (32) ist ein Unterbau (33) aus Vergussmörtel zum Höhenausgleich der Schachtdeckelauflage (32) und des Konusringes (31) vorgesehen.Fig. 4 shows a shaft (28). Above the shaft (28) is an opening (29) with an oblique design Side surfaces (30) formed. In the opening (29) is a additional cone ring (31) arranged, which has an adapter function for the manhole cover support (32). By the conical formation of the cone ring (31) and Manhole cover supports are in the direction of the arrow (B) forces acting in turn in horizontal and vertical Components divided. Below the cone ring (31) and the manhole cover support (32) is made of a substructure (33) Grouting mortar for leveling the manhole cover support (32) and the conical ring (31) are provided.

Die Asphalttragschicht (34), der Konusring (31) und die Schachtdeckelauflage (32) (teilweise) sind mit einer Deckschicht (35) aus Asphalt abgedeckt. In der Schachtdeckelauflage (32) ist der Schachtdeckel (36) angeordnet.The asphalt base course (34), the cone ring (31) and the manhole cover support (32) are (partially) with a Cover layer (35) covered with asphalt. In the manhole cover support (32) the manhole cover (36) is arranged.

Fig. 5 zeigt den Zustand nach Beendigung des Fräsvorganges mit der Fräsvorrichtung gemäß den Ausführungen Fig. 1 und Fig. 2, teilweise geschnitten. Gleiche Teile sind mit gleichen Bezugszahlen versehen. 5 shows the state after the milling process has ended with the milling device according to the explanations Fig. 1 and Fig. 2, partially cut. Same parts are provided with the same reference numbers.

Bezugszahlenreference numerals

11
Vorrichtungcontraption
22
Fräskopfmilling head
33
Seitenflächenfaces
44
FräsmeißelTooth
55
Randedge
66
FräsmeißelTooth
77
Aufhängungsuspension
8, 9, 108, 9, 10
Stützbeinesupport legs
1111
Schachtshaft
1212
Schachtdeckelauflage (alt)Manhole cover support (old)
1313
Schachtdeckelmanhole cover
1414
Schachtkonusmanhole cone
1515
AsphaltträgerschichtAsphalt carrier layer
1616
Asphaltdeckschichtasphalt surface
1717
Öffnungopening
18, 1918, 19
schräge Fräskantensloping milling edges
2020
Mörtelmortar
2121
Schachtdeckelauflage (neu)Manhole cover support (new)
2222
schräge Seitenflächen der Schachtdeckelauflage (21)sloping side surfaces of the manhole cover support (21)
2323
Straßenoberflächeroad surface
2424
Betonschichtconcrete layer
2525
Schachtdeckelmanhole cover
2626
AsphaltfeinschichtAsphalt fine layer
2727
Kanteedge
2828
Schachtshaft
2929
Öffnungopening
3030
schräge Kantesloping edge
3131
Konusringcone ring
3232
SchachtdeckelauflageManhole
3333
Unterbausubstructure
3434
Asphalttragschicht asphalt base
3535
Deckschichttopcoat
3636
Schachtdeckelmanhole cover
A, BA, B
Pfeilarrow

Claims (9)

Verfahren zum Freifräsen eines Schachtdeckels und/oder einer Schachtdeckelauflage mit einem runden Fräskopf, dadurch gekennzeichnet, dass mit dem runden Fräskopf (2) eine schräge Fräskante (18, 19) ausgebildet wird.Method for free milling a manhole cover and / or a manhole cover support with a round milling head, characterized in that an oblique milling edge (18, 19) is formed with the round milling head (2). Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die schräge Fräskante (18, 19) mit Abstand zum Schachtdeckel (13) ausgebildet wird, derart, dass der Schachtdeckel (13) und/oder die Schachtdeckelauflage (12) entfernbar ist.A method according to claim 1, characterized in that the oblique milling edge (18, 19) is formed at a distance from the manhole cover (13) in such a way that the manhole cover (13) and / or the manhole cover support (12) can be removed. Verfahren zum Sanieren eines Schachtes, dadurch gekennzeichnet, dass der Schachtdeckel (13) und die Schachtdeckelauflage (12) gemäß dem Verfahren nach Anspruch 1 mit schräger Fräskante (18, 19) freigefräst werden, dass der Schachtdeckel (13) und die Schachtdeckelauflage (12) entfernt werden, dass eine neue Schachtdeckelauflage (21) in die freigefräste Öffnung mit den schrägen Fräskanten (18, 19) eingesetzt wird, dass der Schachtdeckel (25) in die Schachtdeckelauflage (21) eingesetzt wird. Method for renovating a shaft, characterized in that that the manhole cover (13) and the manhole cover support (12) are milled with an oblique milling edge (18, 19) according to the method of claim 1, that the manhole cover (13) and the manhole cover support (12) are removed, that a new manhole cover support (21) is inserted into the milled opening with the oblique milling edges (18, 19), that the manhole cover (25) is inserted into the manhole cover support (21). Verfahren zum Neubau eines Schachtes, dadurch gekennzeichnet, dass in einer asphaltierten Straßenfläche gemäß dem Verfahren nach Anspruch 1 ein Blinddeckel freigefräst wird, derart, dass eine Öffnung mit schrägen Fräskanten entsteht, dass der Blinddeckel entfernt wird, dass die neue Schachtdeckelauflage in die freigefräste Öffnung eingesetzt wird, dass der Schachtdeckel in die Schachtdeckelauflage eingesetzt wird. Process for new construction of a shaft, characterized in that that a blind cover is milled free in an asphalt road surface according to the method of claim 1, in such a way that an opening with oblique milling edges is created, that the dummy cover is removed that the new manhole cover support is inserted into the milled opening, that the manhole cover is inserted into the manhole cover support. Verfahren nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass ein Mörtel (20) in die freigefräste Öffnung (17) eingebracht wird.Method according to claim 3 or 4, characterized in that a mortar (20) is introduced into the milled opening (17). Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung (1) einen sich nach unten konisch verjüngenden, runden Fräskopf (2) aufweist, dessen sich konisch verjüngende Seitenfläche (3) mit Fräsmeißeln (4) besetzt ist.Device for carrying out the method according to claim 1, characterized in that the device (1) has a round milling head (2) which tapers conically downwards, the conically tapering side surface (3) of which is equipped with milling cutters (4). Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass ein unterer ringförmiger Rand (5) des Fräskopfes (2) zusätzliche Fräsmeißel (6) trägt.Apparatus according to claim 6, characterized in that a lower annular edge (5) of the milling head (2) carries additional milling chisels (6). Schachtdeckelauflage zur Verwendung in einem Sanierungsverfahren oder Verfahren zum Neubau eines Schachtes gemäß Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Schachtdeckelauflage (21) sich konisch verjüngende Seitenflächen (22) aufweist.Manhole cover support for use in a renovation process or method for the construction of a new shaft according to claim 3 or 4, characterized in that the manhole cover support (21) has conically tapering side surfaces (22). Schachtdeckelauflage nach Anspruch 8, dadurch gekennzeichnet, dass der Neigungswinkel der sich konisch verjüngenden Seitenflächen (22) der Schachtdeckelauflage (21) im Wesentlichen dem Neigungswinkel der schrägen Fräskanten (18, 19) der freigefrästen Öffnung (17) entspricht.Manhole cover support according to claim 8, characterized in that the angle of inclination of the conically tapering side surfaces (22) of the manhole cover support (21) essentially corresponds to the angle of inclination of the oblique milling edges (18, 19) of the milled opening (17).
EP20010110929 2000-08-22 2001-05-05 Method and device for drilling a manhole cover Expired - Lifetime EP1182299B1 (en)

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DE20122452U DE20122452U1 (en) 2000-08-22 2001-05-05 Reconstruction method for manhole cover/cover support using milling cutting process uses round milling head to cut angled milled edges to ease removal of old cover/support and fitting of new cover/support

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DE2000141247 DE10041247B4 (en) 2000-08-22 2000-08-22 Method for free milling a manhole cover and / or a manhole cover support and device for carrying out the method
DE10041247 2000-08-22

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EP1357228A1 (en) * 2002-04-26 2003-10-29 Shiga Sangyo Kabushiki Kaisha Manhole frame exchange method
WO2005085536A1 (en) * 2004-02-17 2005-09-15 Davis Richard B Setting utility access covers
WO2011121369A1 (en) * 2010-03-30 2011-10-06 Dimitrios Tsouvalas Fast method of manhole (drain) restoration on asphalt road
EP2397609A2 (en) 2010-06-18 2011-12-21 Buderus Kanalguss GmbH Method for casting a shaft covering, casting material and use of the casting material in a method for casting a shaft covering
DE202011000182U1 (en) 2011-01-25 2012-01-30 Buderus Kanalguss Gmbh street tower
EP2767374A1 (en) * 2013-02-19 2014-08-20 Geoplan Swiss AG Shaft milling device
CN106978775A (en) * 2017-03-08 2017-07-25 河南师范大学 A kind of road construction device for grinding
FR3051489A1 (en) * 2016-05-20 2017-11-24 Philippe Nackna METHOD FOR ADJUSTING A COVERAGE OF A LOOKING UP OF PAVEMENT AND ADAPTIVE COVERING DEVICE
EP3719209A2 (en) 2019-04-02 2020-10-07 Simex S.r.l. Excavating assembly and operating machine comprising this assembly
CN112031111A (en) * 2020-09-09 2020-12-04 烟台智汇港科技创新有限公司 Stone-built inland inundation water level-lowering road structure and construction and application method thereof

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DE10306142B3 (en) * 2003-02-14 2004-12-16 Hobas Engineering Gmbh Process to repair drainage shaft structure by cutting trench around top part of trench and insertion of an outer shoring sleeve and replacement top shaft
DE102010016624A1 (en) 2010-04-23 2011-10-27 Buderus Kanalguss Gmbh Self leveling manhole cover frame
RU2453661C2 (en) * 2010-08-31 2012-06-20 Закрытое акционерное общество "К-СТРОИТЕЛЬ" Method to replace support board of well in traffic area of motor roads
DE102019008883A1 (en) * 2019-12-19 2021-06-24 Markus Riedlberger INSERT RING FOR A ROAD PAD AND METHOD OF FORMING A ROAD PAD

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Publication number Priority date Publication date Assignee Title
EP1357228A1 (en) * 2002-04-26 2003-10-29 Shiga Sangyo Kabushiki Kaisha Manhole frame exchange method
US6799921B2 (en) 2002-04-26 2004-10-05 Shiga Sangyo Kabushiki Kaisha Manhole cover/frame exchange method
WO2005085536A1 (en) * 2004-02-17 2005-09-15 Davis Richard B Setting utility access covers
WO2011121369A1 (en) * 2010-03-30 2011-10-06 Dimitrios Tsouvalas Fast method of manhole (drain) restoration on asphalt road
EP2397609A2 (en) 2010-06-18 2011-12-21 Buderus Kanalguss GmbH Method for casting a shaft covering, casting material and use of the casting material in a method for casting a shaft covering
DE102010017472A1 (en) 2010-06-18 2011-12-22 Buderus Kanalguss Gmbh Method of potting a manhole cover, potting compound and use of the potting compound in a method for potting a manhole cover
DE202011000182U1 (en) 2011-01-25 2012-01-30 Buderus Kanalguss Gmbh street tower
EP2505721A1 (en) 2011-01-25 2012-10-03 Buderus Kanalguss GmbH Road surface
EP2767374A1 (en) * 2013-02-19 2014-08-20 Geoplan Swiss AG Shaft milling device
CH707645A1 (en) * 2013-02-19 2014-08-29 Geoplan Swiss Ag Schacht milling device.
FR3051489A1 (en) * 2016-05-20 2017-11-24 Philippe Nackna METHOD FOR ADJUSTING A COVERAGE OF A LOOKING UP OF PAVEMENT AND ADAPTIVE COVERING DEVICE
CN106978775A (en) * 2017-03-08 2017-07-25 河南师范大学 A kind of road construction device for grinding
EP3719209A2 (en) 2019-04-02 2020-10-07 Simex S.r.l. Excavating assembly and operating machine comprising this assembly
CN112031111A (en) * 2020-09-09 2020-12-04 烟台智汇港科技创新有限公司 Stone-built inland inundation water level-lowering road structure and construction and application method thereof

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DE50111835D1 (en) 2007-02-22
PL349250A1 (en) 2002-02-25
DE10041247A1 (en) 2002-04-04
EP1182299A3 (en) 2002-11-27
DE10041247B4 (en) 2004-02-05
EP1182299B1 (en) 2007-01-10
CZ20013033A3 (en) 2002-06-12
CZ303301B6 (en) 2012-07-25

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