EP0215243A2 - Dispositif pour appliquer au pistolet une couche capable de tenir sur des parois - Google Patents

Dispositif pour appliquer au pistolet une couche capable de tenir sur des parois Download PDF

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Publication number
EP0215243A2
EP0215243A2 EP86110403A EP86110403A EP0215243A2 EP 0215243 A2 EP0215243 A2 EP 0215243A2 EP 86110403 A EP86110403 A EP 86110403A EP 86110403 A EP86110403 A EP 86110403A EP 0215243 A2 EP0215243 A2 EP 0215243A2
Authority
EP
European Patent Office
Prior art keywords
layer
sprayed
support surface
support
wall
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.)
Granted
Application number
EP86110403A
Other languages
German (de)
English (en)
Other versions
EP0215243A3 (en
EP0215243B1 (fr
Inventor
Heinz Wind
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.)
Philipp Holzmann AG
Original Assignee
Philipp Holzmann 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
Application filed by Philipp Holzmann AG filed Critical Philipp Holzmann AG
Priority to AT86110403T priority Critical patent/ATE57414T1/de
Publication of EP0215243A2 publication Critical patent/EP0215243A2/fr
Publication of EP0215243A3 publication Critical patent/EP0215243A3/de
Application granted granted Critical
Publication of EP0215243B1 publication Critical patent/EP0215243B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
    • E04G11/26—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like the sheathing of which consists of ribbons, endless aprons or the like, guided by driven rollers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/06—Implements for applying plaster, insulating material, or the like
    • E04F21/08—Mechanical implements
    • 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

Definitions

  • the invention relates to a device for spraying a layer consisting of a ready-to-set mixture of binder, additive and liquid onto walls, consisting of a pressure line leading the mixture to be sprayed, from whose end directed towards the wall and movable over the wall, the mixture emerges and onto which Wall arrives.
  • This can be a device for applying plaster or mortar to building walls or, for example, according to AT-PS 197 851 of shotcrete or Torkret, for example on the walls of tunnel excavations.
  • the binder can be lime and / or cement, in the latter case cement.
  • the mixture can also contain additives in the form of fibers or in the form of a solidification accelerator, for example water glass.
  • the liquid is generally water. Sand, gravel, grit or the like can be used as an additive.
  • a device for spraying a shotcrete layer on the wall of a tunnel excavation is known, for example, from the literature reference Tunnelbau 1978, Verlag Gauetz Essen, article "Shotcrete in tunnel construction", page 204 ( Figure 7).
  • Such a device can be used, for example, in the mining new Austrian tunnel construction method (N ⁇ T).
  • N ⁇ T mining new Austrian tunnel construction method
  • concrete is sprayed onto the rock to be secured from a nozzle arranged at the outlet end of the pressure line with overpressure, high speed and at a specific spray angle and at a specific distance from the application surface for immediate protection after cavity breakouts.
  • the additives in the concrete should give it an adhesive effect so that it should stick to the wall after impact, but this is only partially successful.
  • the rebound not only reduces the quality of the concrete, but also significantly increases the costs; depending on the position of the spray surface and the nature of the wall or the surface, 40% and more bounce off. The rebound also affects occupational safety and hygiene.
  • the invention as characterized in claim 1 is in solving the aforementioned disadvantages, the task of creating a device of the type mentioned, in which it is ensured that the rebound of the mixture sprayed onto the wall is prevented as far as possible or is reduced to a minimum.
  • the impulses caused by the impact of the sprayed mixture on the formwork-like device are affected by a certain contact pressure on the sprayed mixture, e.g. Shotcrete, collected.
  • the device for spraying a layer 1 consisting of a hardenable mixture of binder, aggregate and liquid that can be set onto a wall 2 consists of a flexible pressure line 3 leading the mixture to be sprayed, from the end 4 of which is directed towards the wall 2 and can be moved at a distance via the wall , which is expediently formed by a spray nozzle 20, the mixture to be sprayed out and reaches the wall 2.
  • the device has a formwork-like support surface 5 for the layer 1 to be sprayed, provided at a distance from the wall 2 corresponding to the thickness of the layer 1 to be sprayed on, the support surface being arranged to be movable, following the movements of the outlet end 4 of the pressure line 3.
  • the direction of movement 17 of the support surface 5 is indicated by an arrow.
  • the support surface 5 is provided with a motion drive 8.
  • the support surface 5 can in principle be formed by the peripheral section of the wall 2 of a roller or roller, not shown. There However, this circumferential section is relatively small and not very effective and will therefore only be applicable in rare cases, it is much more effective if, as shown in FIGS. 1 to 5, the support surface 5 through that of the wall 2, over the sprayed-on layer 1 running strand of an endless flexible formlining 7 is formed which extends around at least two spaced-apart deflection elements 6.
  • the deflection elements 6 are formed by deflection rollers.
  • the movement drive 8 is designed as a rotary drive and, according to FIG. 1, is assigned to one of the deflection elements 6.
  • the motion drive 8 can also be shown in a manner not shown via pivotable arms from an independent drive device, e.g. an excavator or the like be transferable to the deflection elements 6.
  • an independent drive device e.g. an excavator or the like be transferable to the deflection elements 6.
  • the flexible endless formlining 7 is received at the rear by the lower deflection element 6 in the drawing and presented at the front, in accordance with the propulsion system of a tracked vehicle traveling on chains.
  • the locally defined area 21 between the wall 2 or rock and the formwork-like support surface 5 is sprayed, whereby the rebound is reduced to a minimum when the spray angle, spray pressure and the distance of the nozzle 2o from the application area are set correctly.
  • the speed of advance depends on the spraying power.
  • the strand forming the supporting surface 5 of the flexible formlining 7 is assigned a supporting element 9 provided on the side of the strand facing away from the sprayed-on layer 1.
  • This Support element 9 can be formed, for example, according to FIGS. 1 and 5 below by rollers arranged next to one another, or according to FIGS. 2 to 5 above, by a support plate.
  • the embodiment in the embodiment according to FIG. 3 is such that the support surface 5 - in particular when successively applying a plurality of individual layers - has protrusions 10 which press into the sprayed-on layer and cause additional interlocking with the next layer, e.g. Pimples, is provided.
  • the support surface 5 can be designed to be permeable to air and liquid, the support element 9 being designed as a suction element acting on the sprayed-on layer 1 through the support surface 5.
  • the support plate 9 is hollow and is made permeable to air and liquid on the side facing the support surface 5 of the flexible formlining 7, the suction plate 11 being assigned to the hollow support plate 9.
  • the side of the support plate 9 facing the strand of the flexible formlining 7 forming the support surface 5 is provided with openings 12.
  • the support element 9 is designed as a heating or vibration element acting through the support surface 5 on the sprayed-on layer.
  • At least one of the deflection elements 6 can also be designed as a vibration element acting on the sprayed-on layer 1.
  • the support Surface 5 a support structure 13, which the motion drive 8 is assigned in a suitable manner.
  • the supporting structure 13 can be attached to a gun of an independent carrier device or to the pressure line 3 or to the spray nozzles 20o in a sensible manner. Movable attachment to the cut-out profiles or to the wall 2 is also conceivable.
  • the motion drive 8 is arranged on a guide frame 23 located to the side or below the formwork-like support surface 5, the propulsion movement 17 being transferable to the deflection elements 6 via the support structure 13.
  • the support structure 13 consists of a connection carrier 15 carrying the axes 14 of the deflecting rollers and a support arm 16 connected to the latter.
  • the support plate 9 can be adapted to the wall curvatures or to the changes in curvature.
  • the width and / or the length of the support surface 5 and, if appropriate, of the support element 9 is variable, it being possible to use the adhesive effect of the sprayed concrete. It is entirely possible to reduce the additives required so far for the adhesive effect or to omit them altogether, thus achieving a further favorable effect with regard to the size of the final strength and durability.
  • FIG. 5 shows an expedient embodiment in which several formwork-like support surfaces 5 are arranged one behind the other.
  • FIG. 6 shows a simplified embodiment in which the formwork-like support surface 5 is formed by a sliding surface 24 and can be moved further in the direction of movement 17 as the layer to be sprayed on progresses.
  • the design is such that the support surface 5, with the formation of a type of receiving trough for the mixture to be sprayed on, has a leading surface 18 which extends in the direction of movement 17 of the latter and moves away from the layer 1 which has already been sprayed on.
  • the leading surface 18 is formed by at least one deflection element 19 which is provided in the form of a deflection roller and is provided in addition to the deflection elements 6. In the case shown, two deflection rollers are provided.
  • a reinforcement inserted into layer 1 is designated by 22.
  • the setting layer 1 can be sprayed on expediently in such a way that it begins at the bottom on both sides of the excavation cross-section, then continues upwards until it meets in the cross-sectional center, the flexible formlining 7 following the outlet end 4 of the pressure line 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Nozzles (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP86110403A 1985-09-19 1986-07-28 Dispositif pour appliquer au pistolet une couche capable de tenir sur des parois Expired - Lifetime EP0215243B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86110403T ATE57414T1 (de) 1985-09-19 1986-07-28 Vorrichtung zum aufspritzen einer abbindefaehigen schicht auf wandungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3533476A DE3533476C1 (de) 1985-09-19 1985-09-19 Vorrichtung zum Aufspritzen einer abbindefaehigen Schicht auf Wandungen
DE3533476 1985-09-19

Publications (3)

Publication Number Publication Date
EP0215243A2 true EP0215243A2 (fr) 1987-03-25
EP0215243A3 EP0215243A3 (en) 1987-10-14
EP0215243B1 EP0215243B1 (fr) 1990-10-10

Family

ID=6281414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110403A Expired - Lifetime EP0215243B1 (fr) 1985-09-19 1986-07-28 Dispositif pour appliquer au pistolet une couche capable de tenir sur des parois

Country Status (3)

Country Link
EP (1) EP0215243B1 (fr)
AT (1) ATE57414T1 (fr)
DE (2) DE3533476C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676531A1 (fr) * 1994-04-07 1995-10-11 Philipp Holzmann AG Coffrage glissant pour parois de tunnels
DE4440111A1 (de) * 1994-11-11 1996-05-30 Joachim Stegner Vorrichtung zum Beschichten von Flächen an Gebäuden mittels aushärtbarer Dickstoffe
EP0931909A1 (fr) * 1998-01-14 1999-07-28 Philipp Holzmann AG Dispositif pour comprimer une chambre annulaire avec mortier, entre l'élément de cuvelage et le terrain
EP1249559A2 (fr) * 2001-04-12 2002-10-16 Tubag Trass-, Zement- und Steinwerke Gmbh Procédé et dispositif pour appliquer une finition d'enduit sur des éléments de constructions de murs dressés ainsi que des éléments de constructions de murs correspondants
CN110410107A (zh) * 2019-07-31 2019-11-05 湖南帝星智能科技有限公司 湿喷机用模喷组件以及施工工艺

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533476C1 (de) * 1985-09-19 1986-06-12 Philipp Holzmann Ag, 6000 Frankfurt Vorrichtung zum Aufspritzen einer abbindefaehigen Schicht auf Wandungen
FI872244A (fi) * 1987-05-21 1988-11-22 Betemi Oy Framstaellningsfoerfarande foer betongelement.
DE4316116A1 (de) * 1993-05-13 1994-11-17 Holzmann Philipp Ag Rollschalung
AT504264B1 (de) * 2006-07-25 2012-07-15 Porr Tunnelbau Gmbh Vorrichtung und verfahren zum auftragen einer abbindbaren schicht auf wandungen von bauteilen
CN101915109B (zh) * 2010-08-06 2012-07-25 中国矿业大学 一种降尘减弹的混凝土喷射方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047844A (en) * 1962-06-12 1966-11-09 Grant Developments Ltd Improvements in or relating to a method of and apparatus for casting walls in shuttering
FR2400600A1 (fr) * 1977-08-19 1979-03-16 Fricotte Rene Banche mobile avec dispositif de remplissage en continu
EP0007975A1 (fr) * 1978-07-29 1980-02-20 Karl-Heinz Fingerling Dispositif pour coffrer d'une manière permanente des surfaces, spécialement des parois ou surfaces intérieures de toiture de bâtiments, avec des panneaux
US4247269A (en) * 1980-01-21 1981-01-27 Bezhanov Tigran V Concrete placing apparatus
DE3037790A1 (de) * 1980-10-07 1982-05-13 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vorrichtung zum auskleiden eines tunnels, einer unterirdischen strecke o. dgl. mit erhaertenden stoffen
DE3446804A1 (de) * 1983-12-23 1985-07-18 Karl Dipl.-Ing. 7000 Stuttgart Schlecht Verfahren und vorrichtung zum konsolidieren von tunnelwaenden
DE3533476C1 (de) * 1985-09-19 1986-06-12 Philipp Holzmann Ag, 6000 Frankfurt Vorrichtung zum Aufspritzen einer abbindefaehigen Schicht auf Wandungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH613015A5 (en) * 1976-07-15 1979-08-31 Spribag Ag Mobile apparatus for applying shotcrete to walls
DE3137170C1 (de) * 1981-09-18 1983-04-07 Bilfinger + Berger Bauaktiengesellschaft, 6800 Mannheim Vorrichtung zum Auftragen von Spritzgut zur Sicherung und Auskleidung von Ausbruchsflächen im untertägigen Hohlraumbau

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047844A (en) * 1962-06-12 1966-11-09 Grant Developments Ltd Improvements in or relating to a method of and apparatus for casting walls in shuttering
FR2400600A1 (fr) * 1977-08-19 1979-03-16 Fricotte Rene Banche mobile avec dispositif de remplissage en continu
EP0007975A1 (fr) * 1978-07-29 1980-02-20 Karl-Heinz Fingerling Dispositif pour coffrer d'une manière permanente des surfaces, spécialement des parois ou surfaces intérieures de toiture de bâtiments, avec des panneaux
US4247269A (en) * 1980-01-21 1981-01-27 Bezhanov Tigran V Concrete placing apparatus
DE3037790A1 (de) * 1980-10-07 1982-05-13 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vorrichtung zum auskleiden eines tunnels, einer unterirdischen strecke o. dgl. mit erhaertenden stoffen
DE3446804A1 (de) * 1983-12-23 1985-07-18 Karl Dipl.-Ing. 7000 Stuttgart Schlecht Verfahren und vorrichtung zum konsolidieren von tunnelwaenden
DE3533476C1 (de) * 1985-09-19 1986-06-12 Philipp Holzmann Ag, 6000 Frankfurt Vorrichtung zum Aufspritzen einer abbindefaehigen Schicht auf Wandungen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676531A1 (fr) * 1994-04-07 1995-10-11 Philipp Holzmann AG Coffrage glissant pour parois de tunnels
DE4440111A1 (de) * 1994-11-11 1996-05-30 Joachim Stegner Vorrichtung zum Beschichten von Flächen an Gebäuden mittels aushärtbarer Dickstoffe
DE4440111C2 (de) * 1994-11-11 1998-09-17 Joachim Stegner Vorrichtung zum Beschichten von Flächen an Gebäuden mittels aushärtbarer Dickstoffe
EP0931909A1 (fr) * 1998-01-14 1999-07-28 Philipp Holzmann AG Dispositif pour comprimer une chambre annulaire avec mortier, entre l'élément de cuvelage et le terrain
EP1249559A2 (fr) * 2001-04-12 2002-10-16 Tubag Trass-, Zement- und Steinwerke Gmbh Procédé et dispositif pour appliquer une finition d'enduit sur des éléments de constructions de murs dressés ainsi que des éléments de constructions de murs correspondants
EP1249559A3 (fr) * 2001-04-12 2003-08-13 Tubag Trass-, Zement- und Steinwerke Gmbh Procédé et dispositif pour appliquer une finition d'enduit sur des éléments de constructions de murs dressés ainsi que des éléments de constructions de murs correspondants
CN110410107A (zh) * 2019-07-31 2019-11-05 湖南帝星智能科技有限公司 湿喷机用模喷组件以及施工工艺

Also Published As

Publication number Publication date
DE3674869D1 (de) 1990-11-15
EP0215243A3 (en) 1987-10-14
EP0215243B1 (fr) 1990-10-10
ATE57414T1 (de) 1990-10-15
DE3533476C1 (de) 1986-06-12

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