EP1342851A1 - Method and apparatus for forming a soil-concrete trench wall - Google Patents

Method and apparatus for forming a soil-concrete trench wall Download PDF

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Publication number
EP1342851A1
EP1342851A1 EP02005189A EP02005189A EP1342851A1 EP 1342851 A1 EP1342851 A1 EP 1342851A1 EP 02005189 A EP02005189 A EP 02005189A EP 02005189 A EP02005189 A EP 02005189A EP 1342851 A1 EP1342851 A1 EP 1342851A1
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EP
European Patent Office
Prior art keywords
tubular body
lines
compressed air
ground
soil
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Withdrawn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
EP02005189A
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German (de)
French (fr)
Inventor
Klaus F. Dipl.-Ing. Hudelmaier (FH)
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.)
BVV Spezialtiefaufbautechnik Vertriebs GmbH
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BVV Spezialtiefaufbautechnik Vertriebs GmbH
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Priority to EP02005189A priority Critical patent/EP1342851A1/en
Publication of EP1342851A1 publication Critical patent/EP1342851A1/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/66—Mould-pipes or other moulds
    • E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/26—Placing by using several means simultaneously

Definitions

  • the invention relates to a method for producing a floor concrete wall and a device for performing the method.
  • the invention has for its object to provide a method and an apparatus for producing a floor concrete wall, with which defined limited wall structures in the floor can be produced in an integral design.
  • a tubular body which has longitudinal vertical lines is first introduced into the ground.
  • Compressed material is introduced into the soil material contained in the pipe body via the pipes under pressure.
  • the pressing direction can be selected from bottom to top as well as from top to bottom.
  • the lines are supplied with compressed air as support. This compressed air exits into the interior of the tubular body in the lower area and loosens the soil in it. The loosening is done pneumatically and not by mechanical stirring tools.
  • the tubular body can have any cross section. It can be round or angular.
  • the tubular body is preferably an elongated box with a horizontal length of up to approximately 3 meters, a vertical height of several meters and a horizontal width of the thickness of a conventional wall, that is to say a maximum of approximately 50 cm. This box is on open at the top and bottom and preferably sharpened at the bottom to better penetrate the ground.
  • the tubular body is preferably introduced into the ground by shaking with a vibrator which is attached to the upper end of the tubular body and exerts vertical vibrations.
  • the method according to the invention is particularly suitable for non-cohesive coarse-grained and mixed-grain soils and for sand-silt mixtures. It enables the production of defined concrete walls without uncontrolled side breaks.
  • the lines can be used simultaneously for the supply of compressed air and the supply of suspension. However, it is also possible to use different lines for the material to be pressed than for the compressed air.
  • the injection material can be supplied in powder form or as a suspension. Generally suitable as a suspension are curable mixtures, in particular cement suspension or bentonite.
  • a tubular body 10 is inserted into the floor.
  • the tubular body 10 consists of a box-shaped body with a horizontal length of approximately 3 meters, a vertical length of approximately 15 meters and a width of approximately 40 cm.
  • the representation in the drawings is not to scale.
  • the box-shaped tubular body 10 is open at its upper end 11 and at its lower end 12. At the lower end 12, the walls have sharpenings 13 which facilitate penetration into the ground.
  • the interior 14 of the tubular body is empty.
  • the tubular body consists of a welded steel structure.
  • Vertical conduits 15 run on the inner sides of the walls and extend essentially over the entire height of the tubular body.
  • the lines 15 are tubes or hoses which lie closely against the walls of the tube body.
  • connection couplings 16 for supplying a medium to the lines.
  • the lower ends of the lines 15 lead to outlet nozzles 17 which are directed into the interior 14.
  • the outlet nozzles 17 are arranged at a distance of at least about 30 cm from the lower end 12 of the tubular body.
  • the lines and nozzles on the two opposite walls of the tubular body 10 are in each case offset from one another, so that each outlet nozzle 17 sprays into the area between the outlet nozzles of the opposite wall.
  • the lines 15 on both opposite walls are offset from one another.
  • FIG. 4 shows the lowering of the tubular body 10 into the bottom 19.
  • a vibrator 20 is attached to the upper end of the tubular body 10.
  • the vibrator is suspended from a carriage 21 which can be moved on a mast 22 of a crawler vehicle 23.
  • the vibrator 20 consists of a drive part 24 and a vibration part 25 arranged underneath.
  • the drive part 24 contains one or more motors and the vibration part 25 contains eccentric masses which rotate about a shaft and generate vertical vibrations.
  • gripping tongs 26 are provided which grip and clamp the vertical end walls of the tubular body 10. The introduction of the tubular body 10 into the ground takes place under the weight and the vibrations of the vibrator 20.
  • compressed air 27 and hardenable suspension are supplied through the lines 15 according to FIG. 5, which exit from the outlet nozzles 17 into the interior 14 .
  • the compressed air supports the mixing of the soil with the injection material. It creates buoyancy and a reduction in wall friction, so that propulsion is accelerated.
  • Compressed air and Suspensions can also be fed into separate lines 15.
  • Figure 6 shows the state that the tubular body 10 has reached the intended depth. Then, liquid or powdery injection material 29 is further fed through the lines 15. Mixing the injection material with the soil material creates a viscous mass that does not leak into the surrounding soil. During the injection of the concrete, the tubular body 10 is withdrawn, whereby the vibrator 20 can function to reduce the frictional resistance and to compact the soil concrete.
  • FIG. 7 shows a pipe clamp 30 with which the line 15 is fixed to the wall of the tubular body 10. Such pipe clamps can be welded to the inner wall of the pipe body at the required intervals.
  • FIG. 8 shows a line 15 which runs on the outside of the tubular body 10 and is protected there by a shoe 31 welded to the tubular body.
  • FIG. 9 is a section through an outlet nozzle 17 which is connected to a line 15.

Abstract

The method is for the production of a ground concrete wall and involves the introduction of a tubular body (10) with longitudinally running conduits (15) into the ground. Compressed air (27) and injection material are so fed into the conduits that the compressed air breaks up the ground material (28) inside the tubular body, mixing the ground material with the injection material to form the ground concrete wall. The installation of the tubular body is with the aid of a vibrator fixed at its upper end. The tubular body is box-shaped and open at the bottom. Its vertical conduits are connected to the sources of compressed air and injection material and at their lower ends with outlet nozzles (17) directed into the interior of the tubular body. The outlet nozzles are arranged on opposing walls of the tubular body.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einer Bodenbetonwand sowie eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for producing a floor concrete wall and a device for performing the method.

Es ist bekannt, dass zur Herstellung von Bodenbetonwänden Zementsuspension beim Abbohren oder Ziehen eines Hohlgestänges mit Bohrschnecken der Boden vermischt wird. Der verbesserte Boden wird als Ausfachung herangezogen. Die Horizontalkräfte werden von eingestellten Trägern übernommen. Das Verfahren kann auch als Gründungselement oder zur Erhöhung der Gleitsicherheit von Böschungen verwendet werden. Die Bohrschnecke wird in Abwärtsrichtung gedreht, so dass das Bodenmaterial in das Bindemittel gedrückt wird. Das Bodenmaterial bildet also einen Füllstoff oder einen Zuschlagsstoff für den Bodenbeton. Dieses Verfahren setzt den Einsatz von Schneckenbohrern voraus und ist nicht für die integrale Herstellung großflächiger Wände geeignet.It is known that for the production of floor concrete walls cement suspension is mixed with augers when drilling or pulling a hollow rod. The improved floor is used as infill. The horizontal forces are taken over by adjusted beams. The method can also be used as a foundation element or to increase the slip resistance of embankments. The auger is rotated downward so that the soil material is pressed into the binder. The soil material thus forms a filler or an aggregate for the floor concrete. This The process requires the use of augers and is not suitable for the integral production of large-area walls.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zur Herstellung einer Bodenbetonwand anzugeben, mit denen definiert begrenzte Wandstrukturen im Boden in integraler Bauweise erzeugt werden können.The invention has for its object to provide a method and an apparatus for producing a floor concrete wall, with which defined limited wall structures in the floor can be produced in an integral design.

Die Lösung dieser Aufgabe erfolgt bei dem Verfahren mit den Merkmalen des Patentanspruchs 1 und bei der Vorrichtung mit den Merkmalen des Patentanspruchs 4.This object is achieved in the method with the features of claim 1 and in the device with the features of claim 4.

Bei dem erfindungsgemäßen Verfahren wird zunächst ein Rohrkörper, der längslaufende vertikale Leitungen aufweist, in den Boden eingebracht. In das im Rohrkörper enthaltene Bodenmaterial wird über die Rohrleitungen unter Druck Verpressgut eingebracht. Die Verpressrichtung kann sowohl von unten nach oben als auch von oben nach unten gewählt werden. Um das im Rohr befindliche Bodenmaterial aufzulockern, werden zur Unterstützung die Leitungen mit Druckluft versorgt. Diese Druckluft tritt im unteren Bereich des Rohrkörpers in dessen Innenraum hinein aus und lockert das darin befindliche Erdreich auf. Die Auflockerung erfolgt also pneumatisch und nicht durch mechanische Rührwerkzeuge.In the method according to the invention, a tubular body which has longitudinal vertical lines is first introduced into the ground. Compressed material is introduced into the soil material contained in the pipe body via the pipes under pressure. The pressing direction can be selected from bottom to top as well as from top to bottom. In order to loosen up the soil material in the pipe, the lines are supplied with compressed air as support. This compressed air exits into the interior of the tubular body in the lower area and loosens the soil in it. The loosening is done pneumatically and not by mechanical stirring tools.

Der Rohrkörper kann beliebigen Querschnitt aufweisen. Er kann rund oder eckig sein. Vorzugsweise handelt es sich bei dem Rohrkörper um einen langgestreckten Kasten mit einer horizontalen Länge bis zu ca. 3 Metern, einer vertikalen Höhe von mehreren Metern und einer horizontalen Breite von der Stärke einer üblichen Wand, also maximal etwa 50 cm. Dieser Kasten ist an seinem oberen und an seinem unteren Ende offen und vorzugsweise unten angeschärft, um besser in den Boden einzudringen.The tubular body can have any cross section. It can be round or angular. The tubular body is preferably an elongated box with a horizontal length of up to approximately 3 meters, a vertical height of several meters and a horizontal width of the thickness of a conventional wall, that is to say a maximum of approximately 50 cm. This box is on open at the top and bottom and preferably sharpened at the bottom to better penetrate the ground.

Das Einbringen des Rohrkörpers in den Boden erfolgt vorzugsweise durch Rütteln mit einem Rüttler, der am oberen Ende des Rohrkörpers befestigt wird und vertikale Vibrationen ausübt.The tubular body is preferably introduced into the ground by shaking with a vibrator which is attached to the upper end of the tubular body and exerts vertical vibrations.

Das erfindungsgemäße Verfahren eignet sich besonders für nichtbindige grobkörnige und gemischtkörnige Böden sowie für Sand-Schluff-Gemische. Es ermöglicht die Herstellung definierter Betonwände ohne unkontrollierte seitliche Ausbrüche. Die Leitungen können gleichzeitig für das Zuführen von Druckluft und das Zuführen von Suspension benutzt werden. Es ist aber auch möglich, für das Verpressgut andere Leitungen zu verwenden als für die Druckluft. Das Injektionsgut kann in Pulverform oder als Suspension zugeführt werden. Als Suspension eignen sich generell härtbare Mischungen, insbesondere Zementsuspension oder Bentonit.The method according to the invention is particularly suitable for non-cohesive coarse-grained and mixed-grain soils and for sand-silt mixtures. It enables the production of defined concrete walls without uncontrolled side breaks. The lines can be used simultaneously for the supply of compressed air and the supply of suspension. However, it is also possible to use different lines for the material to be pressed than for the compressed air. The injection material can be supplied in powder form or as a suspension. Generally suitable as a suspension are curable mixtures, in particular cement suspension or bentonite.

Im Folgenden wird unter Bezugnahme auf die Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert.An exemplary embodiment of the invention is explained in more detail below with reference to the drawings.

Es zeigen:Show it:

Fig. 1Fig. 1
eine perspektivische Darstellung einer Ausführungsform des Rohrkörpers,2 shows a perspective illustration of an embodiment of the tubular body,
Fig. 2Fig. 2
einen Vertikalschnitt entlang der Linie II-II von Figur 1,2 shows a vertical section along the line II-II from FIG. 1,
Fig. 3Fig. 3
einen Horizontalschnitt entlang der Linie III-III von Figur 1,2 shows a horizontal section along the line III-III from FIG. 1,
Fig. 4Fig. 4
das Einrütteln des Rohrkörpers in den Boden,shaking the tubular body into the ground,
Fig. 5Fig. 5
das Auflockern und Injizieren des Bodens während des Einbringens des Rohrkörpers,loosening and injecting the soil while inserting the pipe body,
Fig. 6Fig. 6
das Hochziehen des Rohrkörpers unter weiterer Zugabe von Injektionsgut und Verdichten des Bodenbetons durch die Vibration,pulling up the pipe body with the addition of grout and compacting the floor concrete by the vibration,
Fig. 7Fig. 7
einen Horizontalschnitt durch die Wand des Rohrkörpers mit einer Rohrschelle zur Befestigung einer Leitung,a horizontal section through the wall of the tubular body with a pipe clamp for fastening a line,
Fig. 8Fig. 8
einen Schnitt entlang der Linie V-V von Figur 1, unda section along the line V-V of Figure 1, and
Fig. 9Fig. 9
einen Schnitt entlang der Linie VI-VI von Figur 1.a section along the line VI-VI of Figure 1.

Zur Erzeugung einer Bodenbetonwand wird ein Rohrkörper 10 in den Boden eingebracht. Im Ausführungsbeispiel besteht der Rohrkörper 10 aus einem kastenförmigen Körper mit einer horizontalen Länge von ca. 3 Metern, einer vertikalen Länge von ca. 15 Metern und einer Breite von etwa 40 cm. Die Darstellung in den Zeichnungen ist nicht maßstäblich. Der kastenförmige Rohrkörper 10 ist an seinem oberen Ende 11 und an seinem unteren Ende 12 offen. An dem unteren Ende 12 weisen die Wände Anschärfungen 13 auf, die das Eindringen in das Erdreich erleichtern. Der Innenraum 14 des Rohrkörpers ist leer. Der Rohrkörper besteht aus einer geschweißten Stahlkonstruktion. An den Innenseiten der Wände verlaufen vertikale Leitungen 15, die sich im Wesentlichen über die gesamte Höhe des Rohrkörpers erstrecken. Die Leitungen 15 sind Rohre oder Schläuche, die eng an den Wänden des Rohrkörpers anliegen. Die Leitungen versperren nicht den Innenraum 14. An den oberen Enden der Leitungen 15 befinden sich Anschlusskupplungen 16 zum Zuführen eines Mediums zu den Leitungen. Die unteren Enden der Leitungen 15 führen zu Austrittsdüsen 17, die in den Innenraum 14 hineingerichtet sind. Die Austrittsdüsen 17 sind in einem Abstand von mindestens etwa 30 cm von dem unteren Ende 12 des Rohrkörpers angeordnet. Wie Figur 3 zeigt, sind die Leitungen und Düsen an den beiden gegenüberliegenden Wänden des Rohrkörpers 10 jeweils gegeneinander versetzt, so dass jede Austrittsdüse 17 in den Bereich zwischen den Austrittsdüsen der gegenüberliegenden Wand sprüht. In gleicher Weise sind auch die Leitungen 15 an beiden gegenüberliegenden Wänden gegeneinander versetzt.To create a floor concrete wall, a tubular body 10 is inserted into the floor. In the exemplary embodiment, the tubular body 10 consists of a box-shaped body with a horizontal length of approximately 3 meters, a vertical length of approximately 15 meters and a width of approximately 40 cm. The representation in the drawings is not to scale. The box-shaped tubular body 10 is open at its upper end 11 and at its lower end 12. At the lower end 12, the walls have sharpenings 13 which facilitate penetration into the ground. The interior 14 of the tubular body is empty. The tubular body consists of a welded steel structure. Vertical conduits 15 run on the inner sides of the walls and extend essentially over the entire height of the tubular body. The lines 15 are tubes or hoses which lie closely against the walls of the tube body. Block the lines not the interior 14. At the upper ends of the lines 15 there are connection couplings 16 for supplying a medium to the lines. The lower ends of the lines 15 lead to outlet nozzles 17 which are directed into the interior 14. The outlet nozzles 17 are arranged at a distance of at least about 30 cm from the lower end 12 of the tubular body. As FIG. 3 shows, the lines and nozzles on the two opposite walls of the tubular body 10 are in each case offset from one another, so that each outlet nozzle 17 sprays into the area between the outlet nozzles of the opposite wall. In the same way, the lines 15 on both opposite walls are offset from one another.

Figur 4 zeigt das Niederbringen des Rohrkörpers 10 in den Boden 19. An dem oberen Ende des Rohrkörpers 10 ist ein Rüttler 20 befestigt. Der Rüttler ist an einem Wagen 21 aufgehängt, der an einem Mast 22 eines Raupenfahrzeugs 23 verfahrbar ist. Der Rüttler 20 besteht aus einem Antriebsteil 24 und einem darunter angeordneten Vibrationsteil 25. Der Antriebsteil 24 enthält einen oder mehrere Motore und der Vibrationsteil 25 enthält Exzentermassen, die um eine Welle rotieren und vertikale Vibrationen erzeugen. Am unteren Ende des Vibrationsteils 25 sind Greifzangen 26 vorgesehen, die die vertikalen Stirnwände des Rohrkörpers 10 ergreifen und einspannen. Das Einbringen des Rohrkörpers 10 in den Boden erfolgt unter dem Gewicht und den Vibrationen des Rüttlers 20. Während des Absenkens des Rohrkörpers wird gemäß Figur 5 durch die Leitungen 15 Druckluft 27 und härtbare Suspension zugeführt, die aus den Austrittsdüsen 17 in den Innenraum 14 hinein austreten. Die Druckluft unterstützt das Vermischen des Bodens mit dem Injektionsmaterial. Sie erzeugt einen Auftrieb und eine Verringerung der Wandreibung, so dass der Vortrieb beschleunigt wird. Druckluft und Suspension können auch in jeweils separate Leitungen 15 eingespeist werden.FIG. 4 shows the lowering of the tubular body 10 into the bottom 19. A vibrator 20 is attached to the upper end of the tubular body 10. The vibrator is suspended from a carriage 21 which can be moved on a mast 22 of a crawler vehicle 23. The vibrator 20 consists of a drive part 24 and a vibration part 25 arranged underneath. The drive part 24 contains one or more motors and the vibration part 25 contains eccentric masses which rotate about a shaft and generate vertical vibrations. At the lower end of the vibrating part 25, gripping tongs 26 are provided which grip and clamp the vertical end walls of the tubular body 10. The introduction of the tubular body 10 into the ground takes place under the weight and the vibrations of the vibrator 20. During the lowering of the tubular body, compressed air 27 and hardenable suspension are supplied through the lines 15 according to FIG. 5, which exit from the outlet nozzles 17 into the interior 14 , The compressed air supports the mixing of the soil with the injection material. It creates buoyancy and a reduction in wall friction, so that propulsion is accelerated. Compressed air and Suspensions can also be fed into separate lines 15.

Figur 6 zeigt den Zustand, dass der Rohrkörper 10 die vorgesehene Tiefe erreicht hat. Dann wird durch die Leitungen 15 weiter flüssiges oder pulverförmiges Injektionsgut 29 zugeführt. Durch die Vermischung des Injektionsguts mit dem Bodenmaterial, entsteht eine dickflüssige Masse, die nicht in das umgebende Erdreich hinein ausläuft. Während der Injektion des Betons wird der Rohrkörper 10 zurückgezogen, wobei der Rüttler 20 in Funktion sein kann, um den Reibungswiderstand zu verringern und den Bodenbeton zu verdichten.Figure 6 shows the state that the tubular body 10 has reached the intended depth. Then, liquid or powdery injection material 29 is further fed through the lines 15. Mixing the injection material with the soil material creates a viscous mass that does not leak into the surrounding soil. During the injection of the concrete, the tubular body 10 is withdrawn, whereby the vibrator 20 can function to reduce the frictional resistance and to compact the soil concrete.

Figur 7 zeigt eine Rohrschelle 30, mit der die Leitung 15 an der Wand des Rohrkörpers 10 fixiert ist. Derartige Rohrschellen können in den erforderlichen Abständen an der Innenwand des Rohrkörpers angeschweißt werden. Figur 8 zeigt eine Leitung 15, die an der Außenseite des Rohrkörpers 10 verläuft und dort von einem an den Rohrkörper angeschweißten Schuh 31 geschützt ist. Figur 9 ist ein Schnitt durch eine Austrittsdüse 17, die mit einer Leitung 15 verbunden ist.FIG. 7 shows a pipe clamp 30 with which the line 15 is fixed to the wall of the tubular body 10. Such pipe clamps can be welded to the inner wall of the pipe body at the required intervals. FIG. 8 shows a line 15 which runs on the outside of the tubular body 10 and is protected there by a shoe 31 welded to the tubular body. FIG. 9 is a section through an outlet nozzle 17 which is connected to a line 15.

Claims (7)

Verfahren zur Herstellung einer Bodenbetonwand mit folgenden Schritten: - Einbringen eines Rohrkörpers (10), der längslaufende Leitungen (15) aufweist, in den Boden (19), - Einspeisen von Druckluft und Injektionsgut in die Leitungen (15) derart, dass die aus den Leitungen austretende Druckluft (27) das Bodenmaterial (28) im Inneren des Rohrkörpers (10) auflockert und sich das Bodenmaterial mit dem Injektionsgut zur Bildung der Bodenbetonwand vermischt. Process for producing a floor concrete wall with the following steps: - Introducing a tubular body (10), which has longitudinal lines (15), into the bottom (19), - Feeding compressed air and injection material into the lines (15) such that the compressed air (27) emerging from the lines loosens the soil material (28) inside the tubular body (10) and the soil material mixes with the injection material to form the floor concrete wall. Verfahren nach Anspruch 1, wobei das Einbringen des Rohrkörpers (10) mit einem am oberen Ende (11) des Rohrkörpers befestigten Rüttler (20) erfolgt.A method according to claim 1, wherein the tubular body (10) is introduced with a vibrator (20) attached to the upper end (11) of the tubular body. Verfahren nach Anspruch 2, wobei auch das Zurückziehen unter Einsatz des Rüttlers (20) erfolgt.The method of claim 2, wherein the retraction is also performed using the vibrator (20). Vorrichtung zur Herstellung einer Bodenbetonwand mit einem kastenförmigen Rohrkörper (10), der unten offen ist und an eine Druckluftquelle und eine Injektionsgutquelle anschließbare vertikale Leitungen (15) aufweist, die an ihren unteren Enden mit in das Innere des Rohrkörpers (10) gerichteten Austrittsdüsen (17) verbunden sind.Device for producing a floor concrete wall with a box-shaped tubular body (10) which is open at the bottom and has vertical lines (15) which can be connected to a compressed air source and an injection material source and at their lower ends with outlet nozzles (17) directed into the interior of the tubular body (10) ) are connected. Vorrichtung nach Anspruch 4, wobei die Leitungen (15) im Inneren des Rohrkörpers (10) verlaufen.Apparatus according to claim 4, wherein the lines (15) run inside the tubular body (10). Vorrichtung nach Anspruch 4 oder 5, wobei die Austrittsdüsen (17) an entgegengesetzten Wänden des Rohrkörpers (10) angeordnet sind.Apparatus according to claim 4 or 5, wherein the outlet nozzles (17) are arranged on opposite walls of the tubular body (10). Vorrichtung nach Anspruch 6, wobei die Austrittsdüsen (17) an den entgegengesetzten Wänden relativ zueinander versetzt sind.Apparatus according to claim 6, wherein the outlet nozzles (17) are offset relative to one another on the opposite walls.
EP02005189A 2002-03-08 2002-03-08 Method and apparatus for forming a soil-concrete trench wall Withdrawn EP1342851A1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1630298A1 (en) * 2004-08-23 2006-03-01 BAUER Maschinen GmbH Method of making a slotted wall by means of a trench cutter
CN101812844A (en) * 2010-02-10 2010-08-25 郭振国 Pile casting for bridge pile foundation
FR2995931A1 (en) * 2012-09-27 2014-03-28 Soletanche Freyssinet Method for injection of sealing grout e.g. thick mortar, into ground, involves injecting sealing grout into drilling tube after drilling tube reaches predetermined depth, where sealing grout is injected while vibrating drilling tube
CN105804128A (en) * 2016-04-29 2016-07-27 石家庄铁道大学 Ground pile hole-forming pile-grouting device used for soil slope model test
WO2023217721A1 (en) * 2022-05-10 2023-11-16 Gbm Works Bv A monopile for a wind turbine

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US3851490A (en) * 1972-07-28 1974-12-03 Kumagai Gumi Co Ltd Construction pile having fluid injection means
GB1561126A (en) * 1976-09-20 1980-02-13 Secretary Industry Brit Pile driving
JPH062328A (en) * 1992-06-16 1994-01-11 Kokudo Sogo Kensetsu Kk Land improvement method and device thereof

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PATENT ABSTRACTS OF JAPAN vol. 018, no. 193 (M - 1588) 5 April 1994 (1994-04-05) *

Cited By (9)

* Cited by examiner, † Cited by third party
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EP1630298A1 (en) * 2004-08-23 2006-03-01 BAUER Maschinen GmbH Method of making a slotted wall by means of a trench cutter
CN100441784C (en) * 2004-08-23 2008-12-10 包尔机械有限公司 Method and trench wall cutting device for making a trench wall in the soil
US7476057B2 (en) 2004-08-23 2009-01-13 Bauer Maschinen Gmbh Method and trench wall cutting device for making a trench wall in the soil
CN101812844A (en) * 2010-02-10 2010-08-25 郭振国 Pile casting for bridge pile foundation
FR2995931A1 (en) * 2012-09-27 2014-03-28 Soletanche Freyssinet Method for injection of sealing grout e.g. thick mortar, into ground, involves injecting sealing grout into drilling tube after drilling tube reaches predetermined depth, where sealing grout is injected while vibrating drilling tube
CN105804128A (en) * 2016-04-29 2016-07-27 石家庄铁道大学 Ground pile hole-forming pile-grouting device used for soil slope model test
CN105804128B (en) * 2016-04-29 2017-10-24 石家庄铁道大学 A kind of pile pore-forming for soil-slope model test fills stake device
WO2023217721A1 (en) * 2022-05-10 2023-11-16 Gbm Works Bv A monopile for a wind turbine
NL2031823B1 (en) * 2022-05-10 2023-11-17 Gbm Works Bv A monopile for a wind turbine

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