EP0012486B1 - Procédé et engin pour réaliser in situ un pieu en béton armé - Google Patents

Procédé et engin pour réaliser in situ un pieu en béton armé Download PDF

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Publication number
EP0012486B1
EP0012486B1 EP19790200750 EP79200750A EP0012486B1 EP 0012486 B1 EP0012486 B1 EP 0012486B1 EP 19790200750 EP19790200750 EP 19790200750 EP 79200750 A EP79200750 A EP 79200750A EP 0012486 B1 EP0012486 B1 EP 0012486B1
Authority
EP
European Patent Office
Prior art keywords
auger
hole
concrete
pipes
reinforcing rods
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
Application number
EP19790200750
Other languages
German (de)
English (en)
Other versions
EP0012486A1 (fr
Inventor
Karel Frederik Brons
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.)
Hollandsche Beton Groep NV
Original Assignee
Hollandsche Beton Groep NV
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 Hollandsche Beton Groep NV filed Critical Hollandsche Beton Groep NV
Publication of EP0012486A1 publication Critical patent/EP0012486A1/fr
Application granted granted Critical
Publication of EP0012486B1 publication Critical patent/EP0012486B1/fr
Expired 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
    • 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
    • E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds

Definitions

  • the invention relates to a method for forming a reinforced concrete pile in an earth situs, in which a hollow-shafted auger provided with a helical blade is screwed into the earth situs and in which reinforcing rods are introduced into the hole by means of said auger, whilst concrete is fed into the hole through the hollow-shaft of the auger as the auger is withdrawn from the hole during which withdrawal the reinforcing rods are caused to remain in the concrete in the hole.
  • Purpose of the invention is to provide a method by means of which said disadvantages are avoided.
  • this purpose is achieved in that the helical blade of the auger is provided with series of aligned openings or indents through which during the drilling operation bars or pipes extend, that prior to the withdrawal of the auger and the introduction of the concrete the reinforcing rods are placed so as to extend through the series of aligned openings or indents or through the pipes and that during the introduction of the concrete the auger is non-rotatably withdrawn whilst the reinforcing rods are caused to remain in the hole.
  • the bars are preferably the reinforcing rods which remain in the hole when the auger is being withdrawn.
  • the reinforcing rods are passed therethrough before the auger is withdrawn.
  • Said pipes can contain the reinforcing rods already during the drilling operation but said rods can also be inserted at the end of the drilling operation.
  • the withdrawing takes place without rotation so that the rods for reinforcing the concrete of the pile remain in their proper position.
  • the reinforcing rods with the method of the invention are placed outside the hollow shaft of the auger they can be located at the proper place with respect to the outer wall of the concrete pile and it is not necessary to provide the auger with a removable drill bit which remains in the hole. If a drill bit is used it can be used again and again because it forms an integral part of the auger.
  • a diagrammatic representation of part of a framework is indicated by reference numeral 1 and the gear case 2 of the auger is movable in vertical direction along said framework.
  • the auger 3 comprises a hollow core or shaft 4 and communicates with a hose 5 through casing 2; concrete is fed through said hose.
  • the hollow core is surrounded by a helical blade 6 which, preferably, constitutes a continuous helical line.
  • Pipes 7 and 8 pass through a series of openings running parallel to the centre line of the auger and a reinforcing rod 9 may be inserted into said pipes.
  • rods 9 are positioned within pipes 7 and 8 and in other pipes, if required, whereupon the auger is non-rotatably withdrawn while leaving the rods behind in the hole; simultaneously, said hole is filled by feeding concrete into the bottom of the hole through hose 5 and hollow core 4.
  • the helical blade instead of pipes, it is also possible to provide the helical blade with indents 10 or openings 11 (Fig. 2). During the drilling operation there are bars in said openings or indents and, preferably, they are reinforcing rods which remain behind in the hole when the auger is withdrawn.
  • the pipes may be closed, e.g. by a plug, said plug being removed by the rods. It is now possible to install clean rods, i.e. which are not fouled by earth, and thus the adhesion between rods and concrete will be improved.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Claims (3)

1. Un procédé pour réaliser un pieu en béton armé dans un emplacement terrestre, dans lequel une tarière à arbre creux (3) pourvue d'une lame hélicoïdale (6) est vissée dans l'emplacement terrestre et dans lequel des tiges d'armature (9) sont introduites dans la cavité au moyen de ladite tarière, tandis que du béton est introduit dans la cavité par l'arbre creux (4) de la tarière lorsque la tarière est retirée de la cavité, retrait pendant lequel les tiges d'armature sont amenées à rester dans le béton de la cavité, caractérisé en ce que la lame hélicoïdale (6) de la tarière (3) est pourvue de séries d'ouvertures (11) ou d'échancrures (10) alignées à travers lesquelles, pendant l'opération de forage, des barres ou des tuyaux (7) s'étendent, qu'avant le retrait de la tarière et l'introduction du béton, les tiges d'armature (9) sont disposées de façon à s'étendre à travers les séries d'ouvertures (11) ou d'échancrures (10) alignées ou à travers les tuyaux (7) et que pendant l'introduction du béton, la tarière est retirée de façon non-rotative tandis que les tiges d'armature (9) sont amenées à rester dans la cavité.
2. Procédé selon la revendication 1, caractérisé par le fait que les barres présentes dans les ouvertures (11) ou les échancrures (10) pendant l'opération de forage sont les barres d'armature (9) qui restent dans la cavité.
3. Tarière pour l'application du procédé selon la revendication 1, comportant un arbre creux (4) et une lame hélicoïdale (6), caractérisée en ce que des tuyaux (7) sont fixés dans des séries d'ouvertures (11) ou d'échancrures (10) alignées prévues dans la lame hélicoïdale (6), ces tuyaux étant disposés parallèlement à la ligne centrale de la tarière et présentant une longueur qui est pratiquement la même que la longueur de la tarière, chaque tuyau ayant un trou adapté pour recevoir une tige d'armature (9).
EP19790200750 1978-12-12 1979-12-11 Procédé et engin pour réaliser in situ un pieu en béton armé Expired EP0012486B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7812084 1978-12-12
NL7812084A NL7812084A (nl) 1978-12-12 1978-12-12 Werkwijze en inrichting voor het vervaardigen van een gewapende betonnen paal in de grond.

Publications (2)

Publication Number Publication Date
EP0012486A1 EP0012486A1 (fr) 1980-06-25
EP0012486B1 true EP0012486B1 (fr) 1982-05-12

Family

ID=19832058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790200750 Expired EP0012486B1 (fr) 1978-12-12 1979-12-11 Procédé et engin pour réaliser in situ un pieu en béton armé

Country Status (5)

Country Link
EP (1) EP0012486B1 (fr)
DE (1) DE2962854D1 (fr)
HK (1) HK66183A (fr)
MY (1) MY8500047A (fr)
NL (1) NL7812084A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005967A1 (de) * 2004-02-06 2005-09-08 Bauer Spezialtiefbau Gmbh MIP-Schnecke

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8905166U1 (fr) * 1989-04-12 1990-06-28 Delmag Maschinenfabrik Reinhold Dornfeld Gmbh & Co, 7300 Esslingen, De
NL193640C (nl) * 1990-03-02 2000-05-04 Fundamentum Bv Samenstel voor het in de grond vervaardigen van een fundatiepaal alsmede werkwijze voor het bedrijven van dat samenstel.
GB2355750B (en) * 1999-10-30 2003-12-17 Kvaerner Cementation Found Ltd Forming piles
GB2356882A (en) * 1999-11-12 2001-06-06 Kvaerner Cementation Found Ltd An auger with a cutting element having recesses
US10456762B1 (en) 2015-03-26 2019-10-29 Juneau County, a Wisconsin body corporate Machine for mixing and conveying a road application mixture and the methods of use thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1343902A (en) * 1918-06-10 1920-06-22 American Well Works Weli-sinking apparatus
US1604722A (en) * 1924-08-04 1926-10-26 Alexander G Rotinoff Pile
FR69922E (fr) * 1956-03-27 1959-01-09 Pieu de battage
US3363422A (en) * 1965-03-19 1968-01-16 Lee A. Turzillo Method and apparatus for anchoring a tie-down bar in an earth situs
US3464216A (en) * 1968-01-08 1969-09-02 Lee A Turzillo Method and means for forming cast-inplace reinforced concrete pile
US4022286A (en) * 1975-09-05 1977-05-10 Leeco, Inc. Auger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005967A1 (de) * 2004-02-06 2005-09-08 Bauer Spezialtiefbau Gmbh MIP-Schnecke

Also Published As

Publication number Publication date
DE2962854D1 (en) 1982-07-01
NL7812084A (nl) 1980-06-16
HK66183A (en) 1983-12-23
EP0012486A1 (fr) 1980-06-25
MY8500047A (en) 1985-12-31

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