EP0203242A1 - Verfahren und Vorrichtung zum Ausführen eines für unterirdischen Durchgang stetigen Ausbaues - Google Patents

Verfahren und Vorrichtung zum Ausführen eines für unterirdischen Durchgang stetigen Ausbaues Download PDF

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Publication number
EP0203242A1
EP0203242A1 EP85401061A EP85401061A EP0203242A1 EP 0203242 A1 EP0203242 A1 EP 0203242A1 EP 85401061 A EP85401061 A EP 85401061A EP 85401061 A EP85401061 A EP 85401061A EP 0203242 A1 EP0203242 A1 EP 0203242A1
Authority
EP
European Patent Office
Prior art keywords
sleeves
grout
cement
frames
felt
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.)
Withdrawn
Application number
EP85401061A
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English (en)
French (fr)
Inventor
Jacques c/o E.G.C.E.C. Gabriel
Henri c/o E.G.C.E.C. Poliakoff
Jean-François c/o E.G.C.E.C. Therond
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.)
Migec
Original Assignee
Migec
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
Priority to FR8318896A priority Critical patent/FR2555657B1/fr
Application filed by Migec filed Critical Migec
Priority to EP85401061A priority patent/EP0203242A1/de
Publication of EP0203242A1 publication Critical patent/EP0203242A1/de
Withdrawn legal-status Critical Current

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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
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • 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
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/157—Laggings making use of fluid cushions, e.g. the fluid containing a hardenable material

Definitions

  • the present invention relates to a method and a device making it possible to provide continuous support for an underground passage, by means of a support structure involving elements such as support frames or hangers placed near the wall of the underground passage.
  • this method uses a sleeve which is placed on the support structure, in the space between said structure and said wall. It then consists in filling this sleeve with a compound based on cement and water which makes it possible, as a result of the setting of the cement, to block the ground over the entire periphery of the support structure.
  • the invention therefore aims to eliminate these drawbacks. It proposes a process which also allows, thanks to the nature of the handle and the composition of the cement compound used, the use of low pressure pumps which are less important (in particular in weight, volume and cost) than concrete pumps. conventional and which, however, contrary to what one could foresee, allows to obtain a good homogeneity of the application of the sleeve on the ground as well as an accelerated setting of the cement accompanied by a very good mechanical resistance.
  • this method for producing a continuous support in an underground by means of a support structure involves a sleeve, made of water permeable material which is placed on the support structure, in the space between said structure and said wall, and into which is injected a cement-based compound which , as a result of its grip, allows the ground to be blocked at the periphery of the support structure.
  • this process is more particularly characterized in that the cement-based compound consists of a cement slurry having a water / cement ratio suitable for allowing its injection into the sleeve by means of a low pressure pump, of the order of 4 to 6 bars, this grout further comprising an adjuvant capable of accelerating its setting while quickly giving it good mechanical strength, and in that said handle is made of felt with three-dimensional texture and high filtering power allowing rapid extraction of excess water from the grout during injection, while ensuring retention inside the sleeve of the cement and the adjuvant.
  • the required mechanical resistance of the sleeve allows the use of a material (felt ) particularly well suited for ensuring rapid removal of excess water from the grout during injection, so that there will then remain in the grout only the amount of water necessary to ensure the setting of the cement and only this will avoid shrinkage phenomena.
  • the adjuvant used may consist of a powder such as a powder of volcanic rock.
  • FIG. 1 only the end of the gallery 1 close to the front 2 has been shown.
  • This gallery 1 is equipped with a support structure comprising a plurality of transverse frames C l , C 2 , C 3 , C n-1 , C n connected to each other by spacers of which only the upper spacer E or carrier has been shown.
  • Each of these frames C 1 ..., C n comprises a curved upper part or cap CH 1 ..., CH on which removable feet P 1 , P n are fixed.
  • On each of these frames, except the last (n), is placed a sleeve M 1 , M n-1 into which a cement grout has been injected which ensures a homogeneous mechanical connection between the frame and the wall of the underground.
  • Mesh panels G 1 , G2, G n-1 ' with suitable meshes, are placed between the frames C 1 , C n-1 to prevent the falling of small blocks.
  • the terrain is temporarily supported by two or three pneumatic cushions C p1 placed on the spacers E between the last C n and l '' penultimate C n-1 frames. These pneumatic cushions C p1 are only removed when the sleeve M n is injected into the frame C n which was the last at the front, before the next advancement.
  • the first step From the state of the underground illustrated in FIG. 1, the first step, with a view to its advancement, consists in drilling the front 2 and mining over a length 1 of around lm50.
  • caps CH n + 1 ′ CH n + 2 are applied with the spacers E and the mesh panels G n + 1 , G n + 2 .
  • Pneumatic cushions Cp 2 are then placed on the spacers E between the last CH n + 2 and the penultimate CH n + 1 caps.
  • the underground is in the state illustrated in Figure 2.
  • the handles M used by the method according to the invention are made of felt with three-dimensional texture, for example a non-flammable needle felt of the type described in French patent application No. 79 25724, filed on October 10, 1979, on behalf of the Company DOLLFUS ET NOACK.
  • a felt indeed has a high filtering power and therefore allows excess water to flow from the grout during injection while retaining, at the inside of the sleeve, the cement and the adjuvant.
  • These sleeves also include, sewn on their lower periphery, straps of suitable length to allow attachment by lacing on the frames. They also include, sewn in their middle part or at their ends, filling sleeves, possibly made of felt.
  • the main handles can have a diameter of 250 mm or more and the filling sleeves, a diameter of about 90 mm.
  • the water / cement ratio is of the order of 0.6.
  • composition of a m 3 of grout suitable for implementing the method according to the invention can be as follows: in this case, the water / cement ratio is 0.644.
  • the invention is not limited to this single example, the proportions indicated being able to vary considerably depending on the case.
  • the grout injected into the sleeve under a pressure of a few bars freezes after a few tens of minutes (normal duration 30 minutes) and rises very quickly in resistance (15 to 20 bars at 18 hours, 50 bars at 24 hours, 150 bars at 7 days, with changes of more than 220 bars after 10 days).
  • the method according to the invention achieves a continuous blocking of the ground over the entire periphery of the hanger, frame or other, and makes it possible to restore the compression stresses at any point of the perimeter of the gallery .

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
EP85401061A 1983-11-24 1985-05-30 Verfahren und Vorrichtung zum Ausführen eines für unterirdischen Durchgang stetigen Ausbaues Withdrawn EP0203242A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8318896A FR2555657B1 (fr) 1983-11-24 1983-11-24 Systeme de soutenement utilisable en travaux souterrains en complement de cadres, cintres, etc... metalliques ou autres permettant de bloquer efficacement le terrain sur toute la peripherie avec utilisation de manches en tissu permeable a l'eau rempli de coulis pompable elabore a cet usage
EP85401061A EP0203242A1 (de) 1985-05-30 1985-05-30 Verfahren und Vorrichtung zum Ausführen eines für unterirdischen Durchgang stetigen Ausbaues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85401061A EP0203242A1 (de) 1985-05-30 1985-05-30 Verfahren und Vorrichtung zum Ausführen eines für unterirdischen Durchgang stetigen Ausbaues

Publications (1)

Publication Number Publication Date
EP0203242A1 true EP0203242A1 (de) 1986-12-03

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Family Applications (1)

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EP85401061A Withdrawn EP0203242A1 (de) 1983-11-24 1985-05-30 Verfahren und Vorrichtung zum Ausführen eines für unterirdischen Durchgang stetigen Ausbaues

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EP (1) EP0203242A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357108A (en) * 1999-12-10 2001-06-13 Peter James Reinforcement of Tunnel or Bridge.
CN112761675A (zh) * 2021-01-26 2021-05-07 中铁八局集团昆明铁路建设有限公司 极小净距斜下穿既有地铁隧道复合支护体系的施工方法

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH462871A (de) * 1966-08-31 1968-09-30 Schindler Bauunternehmung Ag L Verfahren zum Abstützen von Gewölbepartien in Kavernen, Tunnels oder Stollen im Fels und Vorrichtung zur Durchführung des Verfahrens
DE1291310B (de) * 1963-06-28 1969-03-27 Rheinstahl Wanheim Gmbh Streckenausbau
FR2096227A5 (de) * 1970-06-12 1972-02-11 Heierli Werner
DE2627256A1 (de) * 1976-06-18 1977-12-22 Enka Glanzstoff Ag Kraftuebertragende verbindung zwischen gebirge und ausbau
DE2646334A1 (de) * 1976-10-14 1978-04-20 Eisenhuette Prinz Rudolph Ag Verfahren und drahtverzugmatte fuer strecken des berg- und tunnelbaus zur herstellung eines anschlusses des ausbaus an das ihn umgebende gebirge aus aushaertendem hinterfuellmaterial
FR2414117A1 (fr) * 1978-01-07 1979-08-03 Kalk Chemische Fabrik Gmbh Boyaux plastiques pour combler les espaces vides entre la roche et le soutenement dans l'exploitation des mines et la construction de tunnels et procede pour utiliser de tels boyaux plastiques
DE3033794B1 (de) * 1980-09-09 1981-05-07 Ferroplast Gesellschaft für Metall- und Kunststoffer- zeugnisse mbH, 4320 Hattingen Schlauch zum Hinterfuellen von Grubenausbau,insbesondere Streckenausbeurahmen im untertaegigen Grubenbetrieb
FR2476266A1 (fr) * 1979-12-07 1981-08-21 Akzo Nv Tuyau flexible, utilise en particulier pour le soutenement dans l'exploitation des mines souterraines
DE3017428A1 (de) * 1980-05-07 1981-11-12 Gesteins- Und Tiefbau Gmbh, 4350 Recklinghausen Streckenausbau des berg- und tunnelbaus
GB1603817A (en) * 1978-05-15 1981-12-02 Tunnel Research & Dev Ltd Lining of tunnels and excavations and constructing walls
EP0063630A1 (de) * 1981-04-29 1982-11-03 GTG Gesteins- und Tiefbau GmbH Verfahren und Vorrichtung zum Hinterfüllen von Streckenausbau des Berg- und Tunnelbaus mit Hilfe von eine aushärtende Füllung aufweisenden Stützschläuchen
GB2098256A (en) * 1981-05-08 1982-11-17 Barker R E & Co Ltd Support lining bag and method of securing same to a support
FR2555657A1 (fr) * 1983-11-24 1985-05-31 Genie Civil Coordination Et Systeme de soutenement utilisable en travaux souterrains en complement de cadres, cintres, etc... metalliques ou autres permettant de bloquer efficacement le terrain sur toute la peripherie avec utilisation de manches en tissu permeable a l'eau rempli de coulis pompable elabore a cet usage

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1291310B (de) * 1963-06-28 1969-03-27 Rheinstahl Wanheim Gmbh Streckenausbau
CH462871A (de) * 1966-08-31 1968-09-30 Schindler Bauunternehmung Ag L Verfahren zum Abstützen von Gewölbepartien in Kavernen, Tunnels oder Stollen im Fels und Vorrichtung zur Durchführung des Verfahrens
FR2096227A5 (de) * 1970-06-12 1972-02-11 Heierli Werner
DE2627256A1 (de) * 1976-06-18 1977-12-22 Enka Glanzstoff Ag Kraftuebertragende verbindung zwischen gebirge und ausbau
DE2646334A1 (de) * 1976-10-14 1978-04-20 Eisenhuette Prinz Rudolph Ag Verfahren und drahtverzugmatte fuer strecken des berg- und tunnelbaus zur herstellung eines anschlusses des ausbaus an das ihn umgebende gebirge aus aushaertendem hinterfuellmaterial
FR2414117A1 (fr) * 1978-01-07 1979-08-03 Kalk Chemische Fabrik Gmbh Boyaux plastiques pour combler les espaces vides entre la roche et le soutenement dans l'exploitation des mines et la construction de tunnels et procede pour utiliser de tels boyaux plastiques
GB1603817A (en) * 1978-05-15 1981-12-02 Tunnel Research & Dev Ltd Lining of tunnels and excavations and constructing walls
FR2476266A1 (fr) * 1979-12-07 1981-08-21 Akzo Nv Tuyau flexible, utilise en particulier pour le soutenement dans l'exploitation des mines souterraines
DE3017428A1 (de) * 1980-05-07 1981-11-12 Gesteins- Und Tiefbau Gmbh, 4350 Recklinghausen Streckenausbau des berg- und tunnelbaus
DE3033794B1 (de) * 1980-09-09 1981-05-07 Ferroplast Gesellschaft für Metall- und Kunststoffer- zeugnisse mbH, 4320 Hattingen Schlauch zum Hinterfuellen von Grubenausbau,insbesondere Streckenausbeurahmen im untertaegigen Grubenbetrieb
EP0063630A1 (de) * 1981-04-29 1982-11-03 GTG Gesteins- und Tiefbau GmbH Verfahren und Vorrichtung zum Hinterfüllen von Streckenausbau des Berg- und Tunnelbaus mit Hilfe von eine aushärtende Füllung aufweisenden Stützschläuchen
GB2098256A (en) * 1981-05-08 1982-11-17 Barker R E & Co Ltd Support lining bag and method of securing same to a support
FR2555657A1 (fr) * 1983-11-24 1985-05-31 Genie Civil Coordination Et Systeme de soutenement utilisable en travaux souterrains en complement de cadres, cintres, etc... metalliques ou autres permettant de bloquer efficacement le terrain sur toute la peripherie avec utilisation de manches en tissu permeable a l'eau rempli de coulis pompable elabore a cet usage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357108A (en) * 1999-12-10 2001-06-13 Peter James Reinforcement of Tunnel or Bridge.
GB2357108B (en) * 1999-12-10 2003-06-18 Peter James Improvements relating to tunnel reinforcements
CN112761675A (zh) * 2021-01-26 2021-05-07 中铁八局集团昆明铁路建设有限公司 极小净距斜下穿既有地铁隧道复合支护体系的施工方法

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Inventor name: THEROND, JEAN-FRANCOISC/O E.G.C.E.C.

Inventor name: GABRIEL, JACQUESC/O E.G.C.E.C.

Inventor name: POLIAKOFF, HENRIC/O E.G.C.E.C.