EP1394351A2 - Machine pour la réalisation de pieux forés - Google Patents

Machine pour la réalisation de pieux forés Download PDF

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Publication number
EP1394351A2
EP1394351A2 EP03016165A EP03016165A EP1394351A2 EP 1394351 A2 EP1394351 A2 EP 1394351A2 EP 03016165 A EP03016165 A EP 03016165A EP 03016165 A EP03016165 A EP 03016165A EP 1394351 A2 EP1394351 A2 EP 1394351A2
Authority
EP
European Patent Office
Prior art keywords
screw
depressions
surface roughness
elevations
essentially
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
EP03016165A
Other languages
German (de)
English (en)
Other versions
EP1394351A3 (fr
EP1394351B1 (fr
Inventor
Ludwig Schmidmaier
Wolfgang Harttig
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen 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 Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Publication of EP1394351A2 publication Critical patent/EP1394351A2/fr
Publication of EP1394351A3 publication Critical patent/EP1394351A3/fr
Application granted granted Critical
Publication of EP1394351B1 publication Critical patent/EP1394351B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure
    • 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
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes

Definitions

  • the invention relates to a device for producing cased bored piles, where at the same time sinking piping and an internal screw in the rotary drilling process is brought into the ground.
  • ground is soft, displacement bored piles can be made.
  • Groundwater is usually used for cased wells.
  • a pipe is screwed into the ground and the floor, which is within the piping, is covered by different drilling tools removed. If there is groundwater is to avoid a hydraulic break while removing the soil material from the inside Pour water into the pipe from the drill pipe. This That makes it necessary to constantly refill water Procedure time consuming.
  • the concreting process in double-head drilling technology is similar to that Concreting process with a continuous auger.
  • the piping including the inside Snail is usually in concrete over the soul tube pumped the resulting cavity.
  • the device according to the invention now has the task, in particular to prevent when using the double-head method, that blockages form in the screw or it should serve the promotion of the soil with less effort and can therefore be done faster and better.
  • continuous Snails are used in which the helixes consist of some Centimeters thick, rolled sheets. These rolled sheets have a surface roughness that is essentially can be described as smooth.
  • the surface roughness is essentially defined by how big the height differences or height jumps in the Surface are. The fluctuations are sufficient for conventional rolled sheets in the surface height up to approx. 50 ⁇ m and this depends on Depends essentially on how much scale on the surface lies.
  • the principle of the invention is now based on the roughness the surface of the screw helix 2 compared to the roughness of rolled sheets is increased and the increase in Surface roughness occurs along the entire length of the screw, which is needed to extract soil material.
  • the increase in surface roughness has different Effects.
  • Figure 1 shows a section through the drilling tool of a double-head drilling device.
  • a continuous auger with a core tube 4 Located in a rotatable cladding tube 3 a continuous auger with a core tube 4, a coil 1, a coil surface 2, which is in the conveying direction points upwards.
  • Elevations and depressions are applied to the helical surface.
  • Figure 2 shows the top view in one embodiment a helix 1 and a cut to the right of it the helix itself.
  • a helix 1 and a cut to the right of it the helix itself.
  • punctiform elevations 5 and depressions 5 ' which point in the direction of screw conveyance Side of the screw surface 2 are arranged.
  • FIG. 3 shows a top view in a further application example and a section through the helix of an inventive Contraption.
  • the lines are essentially straightforward.
  • Figure 4 shows an embodiment, wherein the increases and depressions 8, 9 in curved lines and in continuous and are arranged in an interrupted form.
  • the main screw body usually consists of a core tube 4 and from helixes 1, which are made from rolled sheets are made.
  • the increase in surface roughness is expediently only on the side of the screw helix surface 2 executed in the desired conveying direction has.
  • the increase in roughness is preferably retrofitted generated on the helix surface, as experience shows must be replaced more often due to wear.
  • the greater roughness can consist, for example, of a larger number of point-like elevations 5. These can be carried out, for example, using the cladding process.
  • the arrangement of the welding spots can be distributed differently over the screw surface 2. There is a full-area distribution or a distribution in partial areas.
  • the spacing of the ridges from one another can be uniform or irregular.
  • the distances between the individual elevations 5 are dependent on the grain size of the soil and the requirements of the soil and they preferably vary between 1/10 mm and 10 cm.
  • the dimensions of the elevations 5 are preferably in a range between 1/10 mm and 5 cm.
  • the differences in roughness can also be generated in the shape that, instead of elevations, depressions 5 'on the Spiral surface 2 are executed.
  • a further embodiment variant for the elevations 5 exists in that the increases are brought about by the fact that using a gun at high speed Steel particles non-positively on the surface of the coil be applied. This technique is state of the art known from connecting dowels.
  • the linear one Application is preferably carried out using the build-up welding process by welding beads. There are also highly wear-resistant Welding electrodes or welding wires are used.
  • Another embodiment variant is that the line attached surface roughness not in straight, but is applied in a curved line shape 8, 9.
  • Essential is that the lines on the helix are essentially run transverse to the conveying direction of the screw, d. H. from soul tube towards the spiral edge or to the inside of the enveloping pipe 3.
  • the punctual increases in the Helical surface 2 are formed in that essentially round or square grains made of wear-resistant material non-positively connected to the surface via an adhesive matrix become. The order can be sprayed according to the State of the art or flame spraying.
  • the particle sizes are preferably in the range of 1/10 mm to several millimeters (less than 10 mm).
  • the distance between the individual grains can be very narrow, as with sandpaper, or larger distances can be selected. This depends on the grain size of the soil to be extracted.
  • the distances between the grains are preferably in the range from 1/10 mm to a few millimeters (less than 10 mm). Common plastics or liquefied metals are used for the adhesive matrix.
  • grains for example, metals and metal compounds, Corundum, carbides, carbon compounds and mineral Rocks used.
  • the materials are out of range Known abrasives and sandpaper.
  • These grains preferably come from so-called hard materials, which are characterized by high wear resistance.
  • a very high quality version is made by coating with industrial diamonds.
  • the smooth sheet metal surface can also be roughened by that the sheet metal surfaces pointing in the conveying direction 2 processed by sandblasting or comparable processes become. Preferred height differences in the helical surface 2 from 0.1 mm to less than 5 mm reached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Piles And Underground Anchors (AREA)
EP03016165A 2002-08-21 2003-07-16 Machine pour la réalisation de pieux forés Expired - Lifetime EP1394351B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10238082 2002-08-21
DE10238082A DE10238082B3 (de) 2002-08-21 2002-08-21 Vorrichtung zur Herstellung von Bohrpfählen bei Verwendung von einer Verrohrung mit innenliegender, durchgehender Schnecke

Publications (3)

Publication Number Publication Date
EP1394351A2 true EP1394351A2 (fr) 2004-03-03
EP1394351A3 EP1394351A3 (fr) 2005-03-02
EP1394351B1 EP1394351B1 (fr) 2006-04-05

Family

ID=30128843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03016165A Expired - Lifetime EP1394351B1 (fr) 2002-08-21 2003-07-16 Machine pour la réalisation de pieux forés

Country Status (5)

Country Link
US (1) US6994494B2 (fr)
EP (1) EP1394351B1 (fr)
JP (1) JP3874748B2 (fr)
AT (1) ATE322605T1 (fr)
DE (2) DE10238082B3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469449A (zh) * 2018-10-10 2019-03-15 贵州大学 一种方便进行钻头更换的煤矿开采用钻孔装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1895090B1 (fr) * 2006-08-23 2008-10-15 BAUER Maschinen GmbH Procédé et dispositif de réalisation d'un trou de forage dans le sol
US7883295B2 (en) * 2008-04-10 2011-02-08 Schellhorn Verne L Method and apparatus for forming an in situ subterranean soil cement structure having a cyclonic mixing region
WO2010022691A1 (fr) * 2008-08-28 2010-03-04 Petr Horanek Pilier pour fondations
US20120114427A1 (en) * 2010-11-04 2012-05-10 Dan Allen Soil Mixing System
US9995087B2 (en) * 2012-01-19 2018-06-12 Frankie A. R. Queen Direct torque helical displacement well and hydrostatic liquid pressure relief device
US9366084B2 (en) * 2012-01-19 2016-06-14 Frankie A. R. Queen Direct torque helical displacement well and hydrostatic liquid pressure relief device
CN116291250B (zh) * 2023-03-14 2024-02-20 广东承沐建设工程有限公司 一种长螺旋钻杆及长螺旋引孔工法

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
US220132A (en) * 1879-09-30 Improvement in earth-augers
US1650103A (en) * 1926-03-01 1927-11-22 Henry M Watchorn Tunneling device
US2780439A (en) * 1954-09-20 1957-02-05 Kandle Charles William Earth boring drills
JPS5038888B1 (fr) * 1968-03-07 1975-12-12
DE2013327B1 (de) * 1970-03-20 1971-05-13 Werkzeugbau Gmbh, 8130 Starnberg Gesteinsbohrer fur Drehschlagbohr maschinen
CA967770A (en) * 1973-10-31 1975-05-20 Victor Pobihushchy Pile hole drilling and belling apparatus
SE461134B (sv) * 1986-11-18 1990-01-15 Hedemora Ab Foerfarande och anordning foer inblandning av kemikalier i fibermassa
DE4008207A1 (de) 1990-03-15 1990-08-23 Bilfinger Berger Bau Verfahren zur herstellung einer dichtwand
DE4141629C2 (de) 1991-12-17 1997-02-20 Bauer Spezialtiefbau Verfahren zur Herstellung von Dichtwänden
DE4219150C1 (en) 1992-06-11 1993-09-23 Bauer Spezialtiefbau Gmbh, 86529 Schrobenhausen, De Underground mortar column prodn. - by drilling with auger through which hardenable suspension is fed
FR2704575B1 (fr) * 1993-04-28 1995-07-21 Spie Fondations Procede pour ancrer un poteau dans le sol, dispositif pour la mise en oeuvre de ce procede, et massif d'ancrage de poteau realise pour la mise en oeuvre de ce procede et/ou de ce dispositif.
JPH0742469A (ja) * 1993-08-03 1995-02-10 Chuo Jidosha Kogyo Kk ２重掘削型アースオーガにおけるケーシングスライド装置
JP2762935B2 (ja) * 1994-09-07 1998-06-11 鹿島建設株式会社 水平モルタル杭構築工法
DE19530827C2 (de) 1995-08-22 1999-04-01 Bauer Spezialtiefbau Verfahren und Vorrichtung zur Herstellung von Schlitzwänden
DE19738171A1 (de) * 1997-09-01 1999-03-04 Delmag Maschinenfabrik Bohrgerät
DE19825169C2 (de) 1998-06-05 2000-10-05 Bauer Spezialtiefbau Stabmixer
DE19928287A1 (de) 1999-06-22 2000-12-28 Bilfinger Berger Bau Verfahren zur Entsorgung von Aushub
JP3361776B2 (ja) * 1999-06-22 2003-01-07 株式会社相馬組 地中埋設杭の破砕処理装置
GB2355750B (en) * 1999-10-30 2003-12-17 Kvaerner Cementation Found Ltd Forming piles
DE10021549A1 (de) 2000-04-20 2001-10-25 Bilfinger Berger Bau Verfahren zur Herstellung von Gründungselementen
US6593280B2 (en) * 2000-08-11 2003-07-15 Nippon Shokubai Co., Ltd. Friction reducing coating for engineering works, and sheet pile, steel tubular pipe and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469449A (zh) * 2018-10-10 2019-03-15 贵州大学 一种方便进行钻头更换的煤矿开采用钻孔装置

Also Published As

Publication number Publication date
EP1394351A3 (fr) 2005-03-02
JP3874748B2 (ja) 2007-01-31
EP1394351B1 (fr) 2006-04-05
DE50302874D1 (de) 2006-05-18
US6994494B2 (en) 2006-02-07
DE10238082B3 (de) 2004-02-12
ATE322605T1 (de) 2006-04-15
JP2004076578A (ja) 2004-03-11
US20040105728A1 (en) 2004-06-03

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