EP1186718A1 - Dispositif de bétonnage pour les têtes de rotation des tarières - Google Patents

Dispositif de bétonnage pour les têtes de rotation des tarières Download PDF

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Publication number
EP1186718A1
EP1186718A1 EP01500221A EP01500221A EP1186718A1 EP 1186718 A1 EP1186718 A1 EP 1186718A1 EP 01500221 A EP01500221 A EP 01500221A EP 01500221 A EP01500221 A EP 01500221A EP 1186718 A1 EP1186718 A1 EP 1186718A1
Authority
EP
European Patent Office
Prior art keywords
concreting
tube
auger
bar
kelly
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Withdrawn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
EP01500221A
Other languages
German (de)
English (en)
Inventor
Jaime Rodrigo Reguera Suárez
Esteban Casado Garcia
Roberto Andrés Andrés
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.)
Rodio Cimentaciones Especiales SA
Original Assignee
Rodio Cimentaciones Especiales SA
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 Rodio Cimentaciones Especiales SA filed Critical Rodio Cimentaciones Especiales SA
Publication of EP1186718A1 publication Critical patent/EP1186718A1/fr
Withdrawn legal-status Critical Current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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0038—Production methods using an auger, i.e. continuous flight type

Definitions

  • the invention relates to the concreting phase of piles bored by the continuous flight auger (C.F.A.) system.
  • Bored piles are widely used as the foundation of any type of construction.
  • the invented device can be incorporated to any existing "kelly" system rotary heads used to drive continuous flight augers (C.F.A.), thus allowing the supply of the concrete below the nose of the auger.
  • C.F.A. continuous flight augers
  • the objective of the invention is to achieve this functionality without any reduction of the effective length of the mast of the boring rig.
  • Continuous flight auger traditional piles are executed by screwing a tube with an external helix (auger) into the ground. This action is performed by rotating the auger in a continuous action. Once the necessary depth is reached, the concreting of the pile starts, bottom - up. The concrete is pumped through the inside of the auger. The combined forces of the concrete pressure and the traction effected on the auger yield the extraction of the auger, along with the soil (spoil) by it displaced.
  • STARSOL results in a pile of better characteristics than traditional piles. But it has a disadvantage over it: in order to displace the inner concreting tube, the system needs two heads, thus adding several metres to the auger length. For instance, for a twenty-mast rig, the STARSOL system needs four additional metres (20% aditional lenght), thus reducing considerably the effective mast length.
  • the invention seeks to create a device having the same results as the "STARSOL" pile (i.e., concreting below the nose of the auger), solving the mentioned drawback and therefore not making it necessary to enlarge the mast of the rig.
  • the invention is capable of being adapted to the existing rotary head. It consists of a “kelly” bar mounted on the rotary head, and a concreting tube inside the bar. The tube is axially displaced by a double-effect hydraulic cylinder (also placed within the "kelly” bar).
  • the tube moves in reference to the "kelly" bar, not to the rig mast, therefore it does not require any supplemental length of mast to carry out its displacement.
  • the invention is based on a "kelly” bar (1). It is a conventional, tubular-shaped bar mounted on the rotary head (2).
  • the auger - not drawn in the figures - is attached to the "kelly” bar (1).
  • Inside the "kelly” bar a double-effect hydraulic cylinder (3) is placed, along its hydraulic intakes (4) to axially displace it.
  • the piston (5) of the cylinder (3) is attached to the concreting tube (6), being the stroke of the cylinder the proper distance to lower the concreting tube (6) from the bottom of the auger.
  • a bellows (9) isolates the upper, rotary joint (7) from external agents allowing vertical relative displacement between the "kelly” bar (1) and the concreting tube (6).
  • the effective pile depth achieved combines the rig capacity to the stroke of the "kelly” bar. This is feasible provided the necessary, relative displacement between the auger and the concreting tube (6) is achieved not by extension of the mast (prior art), but by the relative displacement between the concreting tube (6) and the "kelly” bar (1), linked by the hydraulic cylinder (3).

Landscapes

  • 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)
  • Earth Drilling (AREA)
EP01500221A 2000-09-06 2001-08-27 Dispositif de bétonnage pour les têtes de rotation des tarières Withdrawn EP1186718A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200002183 2000-09-06
ES200002183A ES2168078B1 (es) 2000-09-06 2000-09-06 Dispositivo de hormigonado para cabezales de rotacion de barrenas continuas.

Publications (1)

Publication Number Publication Date
EP1186718A1 true EP1186718A1 (fr) 2002-03-13

Family

ID=8494856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01500221A Withdrawn EP1186718A1 (fr) 2000-09-06 2001-08-27 Dispositif de bétonnage pour les têtes de rotation des tarières

Country Status (2)

Country Link
EP (1) EP1186718A1 (fr)
ES (1) ES2168078B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2862080A1 (fr) * 2003-11-06 2005-05-13 Spie Fond S Appareil de forage muni d'un joint tournant et foreuse pour pieux equipee d'un tel appareil
EP2295645A1 (fr) * 2009-08-28 2011-03-16 BAUER Maschinen GmbH Machine de forage et procédée de produire des pieux dans un sol
FR3051218A1 (fr) * 2016-05-10 2017-11-17 Franki Fond Dispositif de forage a outil telescopable.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604214A (en) * 1968-08-16 1971-09-14 Lee A Turzillo Means and method of making columnar structures in situ
FR2566813A1 (fr) * 1984-06-29 1986-01-03 Soletanche Dispositif et procede pour la realisation de pieux en beton dans le sol et pieux obtenus par ce procede
FR2807455A1 (fr) * 2000-04-11 2001-10-12 Cie Du Sol Machine pour la realisation de pieux fores

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657906A1 (fr) * 1990-02-06 1991-08-09 Morillon Corvol Courbot Procede de realisation de pieux moules dans le sol, pieux moules ainsi obtenus et tube-empreinte utilisable pour mettre en óoeuvre ledit procede.
FR2677385A1 (fr) * 1991-06-05 1992-12-11 Labrue Jean Marie Dispositif d'injection et de controile du betonnage des pieux a la tariere creuse.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604214A (en) * 1968-08-16 1971-09-14 Lee A Turzillo Means and method of making columnar structures in situ
FR2566813A1 (fr) * 1984-06-29 1986-01-03 Soletanche Dispositif et procede pour la realisation de pieux en beton dans le sol et pieux obtenus par ce procede
FR2807455A1 (fr) * 2000-04-11 2001-10-12 Cie Du Sol Machine pour la realisation de pieux fores

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2862080A1 (fr) * 2003-11-06 2005-05-13 Spie Fond S Appareil de forage muni d'un joint tournant et foreuse pour pieux equipee d'un tel appareil
EP2295645A1 (fr) * 2009-08-28 2011-03-16 BAUER Maschinen GmbH Machine de forage et procédée de produire des pieux dans un sol
AU2010212434B2 (en) * 2009-08-28 2011-08-04 Bauer Maschinen Gmbh Drilling apparatus and method for working the ground
US8550187B2 (en) 2009-08-28 2013-10-08 Bauer Maschinen Gmbh Drilling apparatus and method for working the ground
FR3051218A1 (fr) * 2016-05-10 2017-11-17 Franki Fond Dispositif de forage a outil telescopable.

Also Published As

Publication number Publication date
ES2168078A1 (es) 2002-05-16
ES2168078B1 (es) 2004-01-01

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