EP1630349B1 - Intermediate ceiling for a tunnel and method for its construction - Google Patents

Intermediate ceiling for a tunnel and method for its construction Download PDF

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Publication number
EP1630349B1
EP1630349B1 EP05016492A EP05016492A EP1630349B1 EP 1630349 B1 EP1630349 B1 EP 1630349B1 EP 05016492 A EP05016492 A EP 05016492A EP 05016492 A EP05016492 A EP 05016492A EP 1630349 B1 EP1630349 B1 EP 1630349B1
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EP
European Patent Office
Prior art keywords
tunnel
situ
cast
intermediate ceiling
tunnel wall
Prior art date
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Ceased
Application number
EP05016492A
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German (de)
French (fr)
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EP1630349A1 (en
Inventor
Thomas Walliser
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Ed Zueblin AG
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Ed Zueblin AG
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Publication date
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Publication of EP1630349A1 publication Critical patent/EP1630349A1/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003—Ventilation of traffic tunnels

Definitions

  • the invention relates to the construction of a false ceiling in tunnel construction and a method to produce a false ceiling according to the invention.
  • the fasteners are made on site by means of formwork on the tunnel wall, while the false ceiling is held by supports in position.
  • JP 2000104495 two abutting plates that form the vault of a tunnel are stiffened at the point of their meeting on their upper side by pouring out there a provided with reinforcements recess.
  • the object of the invention is to provide a construction for a false ceiling in tunneling, in which the sides are supported with security anywhere and can be easily created in the confined spaces of the tunnel.
  • the object is also to provide a method for producing such a blanket.
  • the invention is solved by the features specified in the characterizing part of claim 1 or claim 3.
  • An essential feature of the construction is that the false ceiling (1) of prefabricated parts (2) is composed, which are connected in the transverse direction of the tunnel by "keystones" (3) of in-situ concrete non-positively.
  • the invention provides, viewed in the cross section of the tunnel, two precast parts (2) which rest with one of their sides on brackets (5) of the tunnel wall (6) and are interconnected on the opposite side by means of a "Ortbetonschlußsteins" (3) ,
  • reinforcements (4) preferably protrude from the prefabricated part (2) into the cast-in-place closing brick (3).
  • the false ceiling (1) is not completely flat, but slightly curved, so that the outside of the tunnel wall (6) superimposed finished parts (2) press against the connecting Ortbetonschlußstein (3).
  • the false ceiling (1) is thereby clamped between the tunnel walls (6), like a vault.
  • the false ceiling (1) by juxtaposing prefabricated parts (2) and concreting the Ortbetonschlußsteine (3).
  • the finished parts (2) of the false ceiling (1) may have longitudinally overlapping areas.
  • the preparation of the false ceiling (1) requires little space, since it is composed of relatively small parts (2), which can be easily handled even inside the tunnel.
  • the method for producing the false ceiling (1) provides to hang this with one side on already existing brackets (5) on the tunnel wall (6) or anchored by other means there and by a then easily accommodated in the tunnel support structure (7) to keep in target position.
  • the support then only happens at or near the points where the Ortbetonschlußsteine (3) must be made. Only around the point where the Ortbetonschlußsteine (3) must be poured, it is then necessary to attach a formwork.
  • the prefabricated parts (2) at the location where the Ortbetonschlußsteine (3) are to be created placed on a, preferably height-adjustable, table (7).
  • a table (7) On this table (7), the intermediate space between the finished parts (2), using any auxiliary formwork, for example, on the front sides of Ortbetonschlußsteine (3), shed.
  • the Ortbetonschlußsteine (3) are easily accessible from above and can therefore be produced in excellent quality, either by compacting the concrete by shaking or simply by using a self-compacting concrete.
  • FIG. 1 shows a possible embodiment in which two finished parts (2), connected by an in-situ concrete closing block (3), span the tunnel as a false ceiling (1).
  • the cast-in-place closing stone (3) was created on a height-adjustable table (7).
  • Fig. 2 shows a way to let the finished parts (2) abut in the tunnel longitudinal direction.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The arrangement consists of at least two finished units (2) viewed in a cross section of the tunnel, whereby the nearest finished units to the tunnel wall (6) are fixed on their nearest side to the tunnel wall (6) or supported on brackets (5) of the tunnel wall (6) and connected to the next finished unit on their side facing the inside of the tunnel by locally poured concrete end blocks (3). An independent claim is also included for a method of manufacturing an intermediate ceiling.

Description

Technisches GebietTechnical area

Die Erfindung betrifft die Konstruktion einer Zwischendecke im Tunnelbau sowie ein Verfahren, eine erfindungsgemäße Zwischendecke zu fertigen.The invention relates to the construction of a false ceiling in tunnel construction and a method to produce a false ceiling according to the invention.

Stand der TechnikState of the art

Im Tunnelbau ist es aus Sicherheitsgründen üblich geworden, eine Zwischendecke einzuziehen, oberhalb derer im Falle eines Brandes der Rauch abgeführt werden kann.
Hierzu wird die Zwischendecke in üblicher Schalungsbauweise aus Ortbeton erstellt.
Die Platzverhältnisse, vor allem oberhalb der Decke, sind aber sehr beengt und erschweren eine Herstellung aus Ortbeton mittels Schalungen. An den wichtigen Auflagern/Konsolen an den Seiten, wo der Platz besonders beengt ist, ist darüber hinaus eine sichere Verfüllung nur schwer zu gewährleisten. In der EP 0 465 413 A1 wird eine einteilige Zwischendecke eines Tunnels durch Hängestangen am Tunnelgewölbe aufgehängt.
In der Patentschrift CH 402 926 werden vorgefertigte, den Tunnel überspannende, gewölbte Zwischendeckenelemente mit ihren freien Enden über Verbindungselemente mit dem Tunnelgewölbe verbunden. Die Verbindungselemente werden vor Ort mittels Schalung an der Tunnelwand hergestellt, währen die Zwischendecke durch Stützen in Stellung gehalten wird.
In der JP 2000104495 werden zwei aneinanderstoßende Platten, die das Gewölbe eines Tunnels ausbilden, am Ort ihres Zusammentreffens an ihrer Oberseite durch Ausgießen einer dort befindlichen mit Bewehrungen versehenen Ausnehmung versteift.In tunneling, it has become common for safety reasons to collect a false ceiling, above which in case of fire, the smoke can be dissipated.
For this purpose, the false ceiling is created in conventional formwork construction from in-situ concrete.
The space, especially above the ceiling, but are very cramped and complicate a production of in-situ concrete formwork. In addition, at the important supports / consoles on the sides, where the space is particularly cramped, secure backfilling is difficult to ensure. In EP 0 465 413 A1 a one-piece false ceiling of a tunnel is suspended by suspension rods at the tunnel vault.
In the patent CH 402 926 prefabricated, the tunnel spanning, curved intermediate ceiling elements are connected at their free ends via connecting elements with the tunnel arch. The fasteners are made on site by means of formwork on the tunnel wall, while the false ceiling is held by supports in position.
In JP 2000104495 two abutting plates that form the vault of a tunnel are stiffened at the point of their meeting on their upper side by pouring out there a provided with reinforcements recess.

Aufgabe der ErfindungObject of the invention

Aufgabe der Erfindung ist es, eine Konstruktion für eine Zwischendecke im Tunnelbau anzugeben, bei der auch die Seiten mit Sicherheit überall abgestützt sind und die in den beengten Platzverhältnissen des Tunnels einfach erstellt werden kann.
Aufgabe ist es auch, ein Verfahren zur Herstellung einer solchen Decke anzugeben.The object of the invention is to provide a construction for a false ceiling in tunneling, in which the sides are supported with security anywhere and can be easily created in the confined spaces of the tunnel.
The object is also to provide a method for producing such a blanket.

Darstellung der ErfindungPresentation of the invention

Die Erfindung wird durch die im Kennzeichen des Anspruchs 1 bzw. Anspruchs 3 angegebenen Merkmale gelöst.
Wesentliches Merkmal der Konstruktion ist, daß die Zwischendecke (1) aus Fertigteilen (2) zusammengesetzt ist, die in Querrichtung des Tunnels durch "Schlußsteine" (3) aus Ortbeton kraftschlüssig miteinander verbunden sind. Die Erfindung sieht, im Querschnitt des Tunnels betrachtet, zwei Fertigteile (2) vor, die mit jeweils einer ihrer Seiten auf Konsolen (5) der Tunnelwand (6) aufliegen und an der gegenüberliegenden Seite mittels eines "Ortbetonschlußsteins" (3) miteinander verbunden sind. Bevorzugt ragen hierzu aus dem Fertigteil (2) Bewehrungen (4) in den Ortbetonschlußstein (3) hinein.
In einer Variante ist die Zwischendecke (1) nicht völlig eben, sondern leicht gewölbt, so daß die außen an der Tunnelwand (6) aufgelagerten Fertigteile (2) gegen den verbindenden Ortbetonschlußstein (3) drücken. Die Zwischendecke (1) wird dadurch zwischen den Tunnelwandungen (6) eingespannt, wie ein Gewölbe.
In Längsrichtung des Tunnels entsteht die Zwischendecke (1) durch Aneinanderreihen von Fertigteilen (2) und Betonieren der Ortbetonschlußsteine (3). Die Fertigteile (2) der Zwischendecke (1) können in Längsrichtung überlappende Bereiche aufweisen.The invention is solved by the features specified in the characterizing part of claim 1 or claim 3.
An essential feature of the construction is that the false ceiling (1) of prefabricated parts (2) is composed, which are connected in the transverse direction of the tunnel by "keystones" (3) of in-situ concrete non-positively. The invention provides, viewed in the cross section of the tunnel, two precast parts (2) which rest with one of their sides on brackets (5) of the tunnel wall (6) and are interconnected on the opposite side by means of a "Ortbetonschlußsteins" (3) , For this purpose, reinforcements (4) preferably protrude from the prefabricated part (2) into the cast-in-place closing brick (3).
In a variant, the false ceiling (1) is not completely flat, but slightly curved, so that the outside of the tunnel wall (6) superimposed finished parts (2) press against the connecting Ortbetonschlußstein (3). The false ceiling (1) is thereby clamped between the tunnel walls (6), like a vault.
In the longitudinal direction of the tunnel, the false ceiling (1) by juxtaposing prefabricated parts (2) and concreting the Ortbetonschlußsteine (3). The finished parts (2) of the false ceiling (1) may have longitudinally overlapping areas.

Die Herstellung der Zwischendecke (1) erfordert nur geringen Platzbedarf, da sie aus relativ kleinen Teilen (2) zusammengesetzt wird, die auch im Tunnelinneren leicht gehandhabt werden können.
Das Verfahren zur Herstellung der Zwischendecke (1) sieht vor, diese mit einer Seite auf schon vorhandene Konsolen (5) an der Tunnelwandung (6) aufzulegen oder auch durch andere Mittel dort zu verankern und durch eine dann leicht im Tunnel unterbringbare Stützkonstruktion (7) in Sollposition zu halten. Bevorzugt geschieht die Abstützung dann nur noch an oder nahe den Stellen, wo die Ortbetonschlußsteine (3) gefertigt werden müssen.
Nur noch um die Stelle herum, wo die Ortbetonschlußsteine (3) gegossen werden müssen, ist es dann auch nötig, eine Schalung anzubringen.
In einer bevorzugten Ausführung werden die Fertigteile (2) an der Stelle, wo die Ortbetonschlußsteine (3) erstellt werden sollen, auf einen, bevorzugt höhenverstellbaren, Tisch (7) aufgelegt. Auf diesem Tisch (7) wird dann der Zwischenraum zwischen den Fertigteilen (2), unter Verwendung eventueller Hilfsschalungen, zum Beispiel an den Stirnseiten der Ortbetonschlußsteine (3), vergossen. Die Ortbetonschlußsteine (3) sind von oben leicht zugänglich und können daher in hervorragender Qualität hergestellt werden, entweder durch Verdichten des Betons durch Rütteln oder auch einfach durch Verwendung eines selbstverdichtenden Betons.The preparation of the false ceiling (1) requires little space, since it is composed of relatively small parts (2), which can be easily handled even inside the tunnel.
The method for producing the false ceiling (1) provides to hang this with one side on already existing brackets (5) on the tunnel wall (6) or anchored by other means there and by a then easily accommodated in the tunnel support structure (7) to keep in target position. Preferably, the support then only happens at or near the points where the Ortbetonschlußsteine (3) must be made.
Only around the point where the Ortbetonschlußsteine (3) must be poured, it is then necessary to attach a formwork.
In a preferred embodiment, the prefabricated parts (2) at the location where the Ortbetonschlußsteine (3) are to be created, placed on a, preferably height-adjustable, table (7). On this table (7), the intermediate space between the finished parts (2), using any auxiliary formwork, for example, on the front sides of Ortbetonschlußsteine (3), shed. The Ortbetonschlußsteine (3) are easily accessible from above and can therefore be produced in excellent quality, either by compacting the concrete by shaking or simply by using a self-compacting concrete.

Die Figur 1 zeigt ein mögliches Ausführungsbeispiel, bei dem zwei Fertigteile (2), verbunden durch einen Ortbetonschlußstein (3), den Tunnel als Zwischendecke (1) überspannen. Der Ortbetonschlußstein (3) wurde auf einem höhenverstellbaren Tisch (7) erstellt.
Fig. 2 zeigt eine Möglichkeit, die Fertigteile (2) in Tunnellängsrichtung aneinanderstoßen zu lassen.FIG. 1 shows a possible embodiment in which two finished parts (2), connected by an in-situ concrete closing block (3), span the tunnel as a false ceiling (1). The cast-in-place closing stone (3) was created on a height-adjustable table (7).
Fig. 2 shows a way to let the finished parts (2) abut in the tunnel longitudinal direction.

LegendeLegend

11
Zwischendeckefalse ceiling
22
Fertigteilprecast
33
OrtbetonschlußsteinOrtbetonschlußstein
44
Bewehrungreinforcement
55
Konsoleconsole
66
Tunnelwandungtunnel wall
77
höhenverstellbarer Stütz- und Betoniertischheight-adjustable support and concreting table

Claims (3)

  1. An intermediate ceiling (1) in tunnel construction,
    characterized in that, seen in the tunnel cross-section, it consists of only two precast elements (2) which are each on one of their sides fastened to the tunnel wall (6) or supported on this tunnel wall (6) on corbels (5) and on their opposite side, turned towards the tunnel interior, frictionally interconnected by means of cast-in-situ keystones (3).
  2. An intermediate ceiling (1) according to claim a 1,
    characterized in that the precast elements (2) are bonded into the connecting cast-in-situ keystone (3) by means of starter bars (4).
  3. A method for producing an intermediate ceiling (1) according to at least one of claims 1 and 2,
    characterized in that the precast elements (2) are positioned with their sides turned towards the tunnel wall (6) on corbels (5) already provided there or fastened there by other means and the precast elements (2) are then, in addition, temporarily shored up in a nominal position (7) in at least one other, not yet supported place,
    subsequently formwork is installed in the place of the future cast-in-situ keystones (3),
    and in that the cast-in-situ keystones (3) are then poured.
EP05016492A 2004-08-06 2005-07-29 Intermediate ceiling for a tunnel and method for its construction Ceased EP1630349B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004038595A DE102004038595A1 (en) 2004-08-06 2004-08-06 Tile-deck construction in tunnel construction and manufacturing method

Publications (2)

Publication Number Publication Date
EP1630349A1 EP1630349A1 (en) 2006-03-01
EP1630349B1 true EP1630349B1 (en) 2007-05-16

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EP05016492A Ceased EP1630349B1 (en) 2004-08-06 2005-07-29 Intermediate ceiling for a tunnel and method for its construction

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EP (1) EP1630349B1 (en)
AT (1) ATE362578T1 (en)
DE (2) DE102004038595A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20100895A1 (en) * 2010-05-19 2011-11-20 Zecca Prefabbricati S P A SUPPORT STRUCTURE FOR AUXILIARY SYSTEMS, PARTICULARLY FOR ROAD TUNNELS.
ITSO20120002A1 (en) * 2012-06-22 2013-12-23 Zecca Prefabbricati S P A SUPPORT STRUCTURE FOR AUXILIARY SYSTEMS, PARTICULARLY FOR ROAD TUNNELS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH192320A (en) * 1939-03-27 1937-08-15 Bartholomaei Alfred Ventilation system in tunnels, especially road tunnels.
CH402926A (en) * 1963-08-07 1965-11-30 Rudolf Dipl Ing Stuessi Process for the production of a secondary vault in a tunnel and vault produced according to this process
CH471287A (en) * 1968-08-14 1969-04-15 Beton Ag Suspended ceiling and partition wall construction for tunnel ventilation
CH681646A5 (en) * 1990-07-06 1993-04-30 Manfred Krattiger
JP2000104495A (en) * 1998-09-28 2000-04-11 Ishikawajima Constr Materials Co Ltd Arched tunnel
ATE273444T1 (en) * 1999-09-02 2004-08-15 Rud Otto Meyer Gmbh & Co Kg METHOD AND EXTRACTION SYSTEM FOR VENTILATION OR SMOKE EXTRACTION IN A TUNNEL
JP2002106293A (en) * 2000-09-29 2002-04-10 Nippon Zenith Pipe Co Ltd Hollow structure

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Publication number Publication date
EP1630349A1 (en) 2006-03-01
ATE362578T1 (en) 2007-06-15
DE502005000725D1 (en) 2007-06-28
DE102004038595A1 (en) 2006-03-16

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