EP0254835B2 - Procédé pour la fabrication d'un revêtement de tunnel en béton de revêtement et dispositif pour sa mise en oeuvre - Google Patents

Procédé pour la fabrication d'un revêtement de tunnel en béton de revêtement et dispositif pour sa mise en oeuvre Download PDF

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Publication number
EP0254835B2
EP0254835B2 EP19870107717 EP87107717A EP0254835B2 EP 0254835 B2 EP0254835 B2 EP 0254835B2 EP 19870107717 EP19870107717 EP 19870107717 EP 87107717 A EP87107717 A EP 87107717A EP 0254835 B2 EP0254835 B2 EP 0254835B2
Authority
EP
European Patent Office
Prior art keywords
tunnel
concrete
lining
lining concrete
formwork
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.)
Expired - Lifetime
Application number
EP19870107717
Other languages
German (de)
English (en)
Other versions
EP0254835B1 (fr
EP0254835A1 (fr
Inventor
Bernd Dr.-Ing. Hillemeier
Jens Dipl.-Ing. Glöyer
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.)
Hochtief AG
Original Assignee
Hochtief AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25845172&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0254835(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19863622203 external-priority patent/DE3622203A1/de
Priority claimed from DE19863644532 external-priority patent/DE3644532A1/de
Application filed by Hochtief AG filed Critical Hochtief AG
Publication of EP0254835A1 publication Critical patent/EP0254835A1/fr
Publication of EP0254835B1 publication Critical patent/EP0254835B1/fr
Application granted granted Critical
Publication of EP0254835B2 publication Critical patent/EP0254835B2/fr
Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating

Definitions

  • the invention relates generically to a method for producing a tunnel lining from lining concrete in the course of tunneling with a tunnel boring machine, for. B. shield tunneling machine, with the help of a tunnel formwork a tunnel lining ring space is set up, which is closed on the driving machine side by a front formwork and is completed at the rear end of the tunnel formwork by already hardened concrete, with at least one concrete delivery line opening into the tunnel lining ring space and through the concrete delivery line of the lining concrete into the Liner annulus is pumped in, the tunnel formwork is also implemented after sufficient hardening of the heated lining concrete for this purpose, following the progressive tunneling.
  • the tunnel formwork can be one that is composed of individual elements that can be dismantled and implemented. However, it can also be a sliding formwork, which is gradually and more or less continuously retraced as the tunnel progresses and implemented in this sense.
  • electromagnetic waves are introduced into the lining concrete pumped into the tunnel lining ring space from the tunnel formwork during a predetermined exposure time. In this way, the lining concrete experiences, as it were, dielectric heating.
  • inductive transmission antennas for electromagnetic waves in the form of radiation coils or capacitive radiation elements are installed in formwork elements of the tunnel formwork.
  • the known measures have proven themselves. The time span until the lining concrete introduced has a sufficient strength can be reduced considerably. The tunnel formwork can therefore be implemented very early, following the progressive tunneling. In other words, the length of the tunnel formwork can be reduced considerably.
  • the expenditure on equipment is considerable, however, because the tunnel formwork must be equipped with special formwork elements set up in the manner described.
  • the invention has for its object to perform the generic method so that tunnel formwork with formwork elements that have inductive transmit antennas or capacitive radiation elements is no longer necessary.
  • a lining concrete is preferably used which, after heating to a temperature of approximately 50 ° C., can no longer be processed after approximately 15 minutes. It is easy to work with a lining concrete that contains steel fibers in addition to the usual components (such as cement, sand, gravel and concrete admixtures such as plasticizers and retarders). In addition, fillers can always be mixed with a lining concrete.
  • the electrical energy is expediently introduced in the immediate vicinity of the face formwork. However, a distance of a few meters can also be achieved. In this respect, the introduction of electrical energy in the area of the forehead formwork can depend on the operating conditions.
  • the invention is based on the knowledge that a concrete, which is set as indicated, surprisingly hardens in the tunnel lining ring space to such an extent in a short time that the formwork can be implemented, although electrical energy is no longer introduced into the tunnel formwork ring space, so no further heating more is done. It is understood that the heat of hydration caused by the reaction is released after a certain time. The sensible heat of the lining concrete entering the tunnel lining ring space together with the heat of hydration is sufficient for the accelerated stiffening and hardening. On the other hand, there are no problems if the normal operation of tunneling is disturbed for some reason and the tunneling is stuck for a period of about two hours or less.
  • the lining concrete remains sufficiently flowable in the concrete delivery line to be conveyed further by pumping in further lining concrete when operation is resumed. It is understood that the introduction of electrical energy is immediately interrupted in the event of such a fault. Then there is also no disturbing hardening of the lining concrete in the area of this discharge point.
  • the tunnel formwork can be implemented very early and consequently it is possible to work with a relatively short tunnel formwork. The fact that very simple devices can be used to carry out the method is particularly advantageous.
  • a device has at least one Pipe shot in the concrete delivery line, which is set up as a device for the introduction of electrical energy into the lining concrete.
  • the pipe section consists of an electrically non-conductive material, the inside of the pipe, for. B. opposite, electrodes with external connection devices for electrical cables, which in turn are connected via a transformer to the network or to a generator. It can be a standard alternating current. It is understood that customary adjustments and adjustments must be carried out within the scope of the invention.
  • the electrical energy that is introduced into the lining concrete per unit of time must be matched to the volume flow.
  • the device for introducing the electrical energy into the lining concrete has a control and / or regulating device which controls the supply of electrical energy in accordance with the volume flow and the starting temperature and the predetermined end temperature. Accordingly, pipe sections of different lengths can also be used.
  • FIG. 1 shows the end 1 of a tunnel boring machine (not shown) on the left and, to the right, a front formwork 2 with the subsequent tunnel formwork consisting of a plurality of tunnel formwork elements 3. It can also be a sliding formwork.
  • the tunnel tube 5 can also be seen in the surrounding mountains 4. For reasons of clarity, only the longitudinal sections have been shown in FIG. 1, but not the projections of the named components and units on the drawing plane.
  • Lining concrete is pumped into the tunnel lining ring space 6 between the tunnel formwork elements 3 and mountains 4.
  • the feed line 7 shown in FIG. 1 is used for this purpose.
  • a special feed line section 8 can be seen in the feed line 7. It is a special pipe section which is set up in such a way that in its area the lining concrete in the feed line 7 by supplying electrical Energy can be heated. For this purpose, heat is generated in the volume elements of the concrete and the lining concrete is thereby thoroughly heated before entering the tunnel lining ring space 6, to a temperature of 40 to 70 ° C., preferably 50 to 60 ° C.
  • the feed line section 8, in which the heating takes place, is practically immediately before the entry of the lining concrete in the tunnel lining ring space 6. It goes without saying that fittings and measuring devices can be arranged in the feed line 7, 8 and between 8 and the front formwork 2.
  • an electrolytic heating device 9 can be seen with a non-conductive tube section 8 as the feed line section of the feed line 7 and electrodes 11, 12 installed therein, which bear against the phases of a technical alternating current and bear against the inner wall section 10 of the tube section connected to the corresponding phases 13, 14 of a power-adjustable transformer 15, which was shown in FIG. 1.
  • the electrodes 11, 12 lie opposite one another in the tube section.
  • three electrodes would be provided and offset from one another by 120 °.
  • a concrete cone is allowed to flow apart on a shock table.
  • the diameter of the poured concrete is the spread.
  • the concrete with which, according to the invention, is used as a lining concrete has the specified special features in the "workability” and "hardening” areas. So far the concrete be adjusted according to the prevailing teaching of concrete technology. This setting surprisingly has the consequence that in the first minutes up to the time period of about 10 to 30 minutes, a disruptive stiffening does not occur even after the introduction of the electrical energy until the preset temperature has been set. At a temperature of 20 ° C, the curve, which is provided in FIG.

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

Claims (2)

  1. Procédé pour fabriquer un revêtement de tunnel en béton de revêtement au cours du creusement du tunnel avec une machine à creuser des tunnels, par exemple une taupe à bouclier, selon lequel un espace annulaire (6) pour le revêtement du tunnel, fermé du côté de la taupe par un coffrage frontal (2) est agencé à l'aide d'un coffrage de tunnel (3) qui, après un durcissement suffisant du béton de revêtement, est déplacé en fonction de l'agencement du tunnel, au moins une conduite d'amenée de béton (7), dans laquelle le béton de revêtement est chauffé dans la zone du coffrage frontal (2) entre des électrodes, par introduction directe d'une énergie électrique dans le béton de revêtement, débouche dans l'espace annulaire (6) pour le revêtement du tunnel, un béton de revêtement, qui peut être mis en oeuvre pendant plus de deux heures à une température d'environ 20°C et qui ne peut plus être mis en oeuvre après réchauffement à une température de l'ordre de 40 à 70°C, au bout de 10 à 30 minutes, est introduit dans l'espace annulaire (6) pour le revêtement du tunnel, et le béton coulant situé dans la conduite d'amenée de béton (7,8) est chauffé à une température située dans la gamme indiquée, au moyen de l'introduction de l'énergie électrique.
  2. Procédé selon la revendication 1, selon lequel on met en oeuvre un béton de revêtement qui, après échauffement à une température d'environ 50°C, ne peut plus être mis en oeuvre au bout d'environ 15 minutes.
EP19870107717 1986-07-02 1987-05-27 Procédé pour la fabrication d'un revêtement de tunnel en béton de revêtement et dispositif pour sa mise en oeuvre Expired - Lifetime EP0254835B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19863622203 DE3622203A1 (de) 1986-03-26 1986-07-02 Verfahren zur herstellung einer tunnelauskleidung und vorrichtung zur durchfuehrung des verfahrens
DE3622203 1986-07-02
DE3644532 1986-12-24
DE19863644532 DE3644532A1 (de) 1986-03-10 1986-12-24 Verfahren zur herstellung einer tunnelauskleidung aus auskleidungsbeton und vorrichtung fuer die durchfuehrung des verfahrens

Publications (3)

Publication Number Publication Date
EP0254835A1 EP0254835A1 (fr) 1988-02-03
EP0254835B1 EP0254835B1 (fr) 1990-10-03
EP0254835B2 true EP0254835B2 (fr) 1996-05-01

Family

ID=25845172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870107717 Expired - Lifetime EP0254835B2 (fr) 1986-07-02 1987-05-27 Procédé pour la fabrication d'un revêtement de tunnel en béton de revêtement et dispositif pour sa mise en oeuvre

Country Status (3)

Country Link
EP (1) EP0254835B2 (fr)
JP (1) JPS6367398A (fr)
DE (1) DE3765341D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2291099B (en) * 1994-07-02 1997-12-17 George Henry Slade Tunnel lining
JP4750568B2 (ja) * 2006-01-30 2011-08-17 佐藤工業株式会社 トンネル合流部の構築方法およびトンネル合流部構造
CN109339817B (zh) * 2018-08-30 2020-07-03 上海隧道工程有限公司 用于机械法联络通道曲面管片的切削控制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213652A (en) * 1975-07-23 1977-02-02 Hitachi Ltd Thickkfilm capacitor
DE2636530A1 (de) * 1976-07-15 1978-05-03 Fisher Erwaermung von halbleitern
DE2813462A1 (de) * 1978-03-29 1979-10-11 Bonnkirch Ray J Vorrichtung zum vorwaermen von beton vor dem vergiessen
FR2461425A1 (fr) * 1979-07-06 1981-01-30 Electricite De France Dispositif de chauffage electrique, en continu, d'un produit liquide ou pateux electriquement conducteur, notamment du beton
FR2485860A2 (fr) * 1980-06-25 1981-12-31 Electricite De France Dispositif de chauffage electrique, en continu, d'un produit liquide ou pateux electriquement conducteur, notamment du beton
DE3508966A1 (de) * 1985-03-13 1986-09-25 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Verfahren und vorrichtung zur herstellung einer tunnelauskleidung aus beton im zuge des tunnelvortriebs mit einer tunnelvortriebsmaschine

Also Published As

Publication number Publication date
JPH0562200B2 (fr) 1993-09-07
EP0254835B1 (fr) 1990-10-03
EP0254835A1 (fr) 1988-02-03
DE3765341D1 (de) 1990-11-08
JPS6367398A (ja) 1988-03-26

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