EP1527235B1 - Systeme de projection par buse - Google Patents

Systeme de projection par buse Download PDF

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Publication number
EP1527235B1
EP1527235B1 EP03790693A EP03790693A EP1527235B1 EP 1527235 B1 EP1527235 B1 EP 1527235B1 EP 03790693 A EP03790693 A EP 03790693A EP 03790693 A EP03790693 A EP 03790693A EP 1527235 B1 EP1527235 B1 EP 1527235B1
Authority
EP
European Patent Office
Prior art keywords
suspension
pipe
jet
mouth
grouting apparatus
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
EP03790693A
Other languages
German (de)
English (en)
Other versions
EP1527235A1 (fr
Inventor
Klaus Dietz
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.)
Stump Spezialtiefbau GmbH
Original Assignee
Stump Spezialtiefbau GmbH
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 Stump Spezialtiefbau GmbH filed Critical Stump Spezialtiefbau GmbH
Publication of EP1527235A1 publication Critical patent/EP1527235A1/fr
Application granted granted Critical
Publication of EP1527235B1 publication Critical patent/EP1527235B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/26—Compacting soil locally before forming foundations; Construction of foundation structures by forcing binding substances into gravel fillings

Definitions

  • the invention relates to a nozzle jet device for producing a nozzle jet element in the earth region, with a linkage, which has a centric suspension tube and an air feed according to the preamble of claim 1.
  • the suspension tube has a plurality of deflections, resulting in a total of a fluidically unfavorable course of the dispensed medium.
  • nozzle jet devices such as those used in the so-called HDI process (high-pressure injection method) application.
  • a threaded actuator is used, which is connected to a drill string (DE 197 31 223 C2). At the lower end of this drill pipe outlet nozzles, from each of which a jet of jet is discharged.
  • the present invention has for its object to provide a device of the type mentioned by which is optimized in terms of aerodynamics in a simple manner in the manufacture of a nozzle jet element in the earth region of the suspension jet.
  • This object is achieved in that at a steady curve between the vertical centric suspension tube and the air supply on the one hand and the mouth areas for the suspension and air of the nozzle carrier on the other hand in the transition region between the vertical part of the suspension tube and in the mouth region for the suspension of Nozzle carrier ending angled part of the suspension tube is arranged to the mouth opening valve.
  • a continuous curve is advantageously created between the vertical suspension tube or the air feed and the angularly, preferably horizontally arranged, mouth regions of the nozzle carrier, whereby a flow-technically optimal delivery of the suspension jet is ensured.
  • valve may be formed as a spring-loaded, adjustable ball seat valve.
  • the nozzle carrier may according to another feature of the invention as a pear-shaped in outline for a part of the vertical centric suspension tube, the air supply surrounding the tube, the angled parts of the suspension tube, the air supply and the mouth areas for the suspension or the air be educated.
  • the linkage may be formed as a drill pipe.
  • a nozzle jet device 1 for producing a nozzle jet element 2 in the soil 8 is shown. It can find a frontal reamer 3 with drill bit 4 and an adjoining, vertical drill pipe 5 application.
  • This vertical drill string 5 has a centric suspension tube 10 and an air feed 12, which surrounds the suspension tube 10.
  • a separate water channel can be used.
  • a nozzle carrier 20 is disposed between an end portion 14 of the vertical drill pipe 5 and the reamer 3.
  • this nozzle carrier 20 are z.
  • Fig. 1 it is also recognizable that between the vertical suspension tube 10 and a terminating in the mouth region 22 of the nozzle carrier 20 horizontal part 26 of the suspension tube 10 to the mouth opening valve 30 is arranged.
  • This valve 30 is formed for example as a ball seat valve, with a ball 34 and a spring 32 and an adjusting element 36.
  • this adjusting element 36 which, for example, stored in a threaded opening, the pressing force of the spring 32 against the ball 34 can be regulated.
  • the nozzle carrier 20 is formed as a pear-shaped housing in outline, and has a portion 10 'of the vertical centric suspension tube 10, the tube 10' surrounding air supply 12 'and the horizontal portion 26 of the suspension tube 10, the corresponding air supply and the mouth areas 22 and 24 for the suspension or for the air.
  • the nozzle carrier 20 may, for. B. also have a biconical shape.
  • interchangeable nozzles 40 (or according to FIG. 2) 40 'can be inserted into the mouth region 22 for the suspension.
  • These nozzles are designed according to the soil to be processed 8, can be easily replaced in the nozzle carrier 20 and have different sections with preferably constant slope.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Earth Drilling (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Surgical Instruments (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Soil Working Implements (AREA)

Claims (8)

  1. Système de projection par buse (1) pour fabriquer un élément de projection par buse dans la terre, avec une tringlerie (5), laquelle présente un tuyau de suspension centré (10) et une amenée d'air (12), un support de buse (20) étant disposé dans une section terminale (14) de la tringlerie (5), dans lequel sont situées des zones d'embouchure (22, 24) du tube de suspension (10) et de l'amenée d'air (12) en angle par rapport à la tringlerie (5),
    caractérisé en ce que, pour une allure continue de courbe entre le tube de suspension (10) centré vertical et l'amenée d'air d'une part, et entre les zones d'embouchure (22, 24) pour la suspension et l'air du support de buse (20) d'autre part, une soupape (30) s'ouvrant vers la zone d'embouchure (22) est disposée dans la zone de transition entre la zone verticale du tube de suspension (10) et une partie coudée (26) du tube de suspension (10) aboutissant dans la zone d'embouchure pour la suspension (22) du support de buse (20).
  2. Système de projection par buse selon la revendication 1, caractérisé en ce que la soupape est conçue comme soupape sphérique à siège (30) réglable à ressort.
  3. Système de projection par buse selon la revendication 1 ou 2, caractérisé en ce que le support de buse (20) est conçu comme un boîtier au contour piriforme et/ou biconique pour une partie (10') du tube de suspension centré vertical (10), pour l'amenée d'air (12) entourant le tube (10), pour la partie (26) coudées du tube de suspension, pour l'amenée d'air ainsi que pour les zones d'embouchure (22, 24) pour la suspension ou l'air.
  4. Système de projection par buse selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que des buse interchangeables (40, 40') peuvent être insérées dans la zone d'embouchure (22) pour la suspension en fonction de la terre (8) à travailler.
  5. Système de projection par buse selon la revendication 4, caractérisé en ce que les buses (40, 40') présentent des sections différentes de pente de préférence constante.
  6. Système de projection par buse selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que la tringlerie (5) est conçue comme train de tiges.
  7. Système de projection par buse selon la revendication 6, caractérisé en ce que le train de tiges présente une curette (3 ) côté frontal avec couronne de carottier (4).
  8. Système de projection par buse selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que les zones d'embouchure (22, 24) sont disposées perpendiculairement au tube de suspension centré vertical (10) ou à l'amenée d'air (12).
EP03790693A 2002-08-09 2003-08-07 Systeme de projection par buse Expired - Lifetime EP1527235B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10236257A DE10236257A1 (de) 2002-08-09 2002-08-09 Düsenstrahlvorrichtung
DE10236257 2002-08-09
PCT/DE2003/002655 WO2004020742A1 (fr) 2002-08-09 2003-08-07 Systeme de projection par buse

Publications (2)

Publication Number Publication Date
EP1527235A1 EP1527235A1 (fr) 2005-05-04
EP1527235B1 true EP1527235B1 (fr) 2006-11-02

Family

ID=30775076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03790693A Expired - Lifetime EP1527235B1 (fr) 2002-08-09 2003-08-07 Systeme de projection par buse

Country Status (5)

Country Link
EP (1) EP1527235B1 (fr)
AT (1) ATE344351T1 (fr)
AU (1) AU2003266112A1 (fr)
DE (2) DE10236257A1 (fr)
WO (1) WO2004020742A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933380A1 (fr) 2014-04-17 2015-10-21 Bauer Spezialtiefbau GmbH Tête d'injection pour une injection à haute pression de suspension dans un sol

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007046721A1 (de) * 2007-09-28 2009-04-09 Universale Grund- Und Sonderbau Gmbh Düsenstrahlmonitor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE305235C (fr) *
JPS5862212A (ja) * 1982-04-05 1983-04-13 Nippon Sogo Bosui Kk グラウト注入工法
DE3407727A1 (de) * 1984-03-02 1985-09-05 Schmidt, Kranz & Co GmbH Zweigniederlassung Zorge, 3421 Zorge Vorrichtung zum verschliessen eines bohrlochs
JPS61207712A (ja) * 1985-03-12 1986-09-16 N I T:Kk 地盤改良工法及びその装置
DE3821768C1 (en) * 1986-12-30 1989-10-05 Gkn Keller Gmbh, 6050 Offenbach, De Method of producing statically defined bearing or supporting bodies in otherwise non-load-bearing soils
DE3806407C2 (de) * 1988-02-29 1995-08-31 Keller Grundbau Gmbh Vorrichtung zur Herstellung von durch Zugabe von Binde- oder Abdichtmitteln verdichteten Bodenabschnitten
US5228809A (en) * 1989-01-27 1993-07-20 Kajima Corporation Consolidating agent injecting apparatus and injecting apparatus for improving ground
JPH079088B2 (ja) * 1989-01-27 1995-02-01 鹿島建設株式会社 大口径地盤改良工法
DE8906126U1 (fr) * 1989-05-18 1990-04-19 Bergwerksverband Gmbh, 4300 Essen, De
JPH07111053B2 (ja) * 1991-03-20 1995-11-29 栄興産業株式会社 噴射攪拌工法および噴射攪拌装置
JP2968407B2 (ja) * 1992-09-24 1999-10-25 株式会社エヌ、アイ、テイ 地盤改良体造成工法及び装置
DE19731223C2 (de) 1997-07-21 2001-04-26 Keller Grundbau Gmbh Verfahren zum Ermitteln der Reichweite eines Hochgeschwindigkeitserosionsverfahrens in einem Baugrund
FR2820780B1 (fr) * 2001-02-12 2003-05-02 Cie Du Sol Tete d'injection sous pression d'un liquide pour forer une excavation dans le sol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933380A1 (fr) 2014-04-17 2015-10-21 Bauer Spezialtiefbau GmbH Tête d'injection pour une injection à haute pression de suspension dans un sol

Also Published As

Publication number Publication date
DE10236257A1 (de) 2004-02-26
AU2003266112A1 (en) 2004-03-19
WO2004020742A1 (fr) 2004-03-11
ATE344351T1 (de) 2006-11-15
DE50305594D1 (de) 2006-12-14
EP1527235A1 (fr) 2005-05-04

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