EP1867788A2 - Kippverankerungsvorrichtung - Google Patents

Kippverankerungsvorrichtung Download PDF

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Publication number
EP1867788A2
EP1867788A2 EP07301046A EP07301046A EP1867788A2 EP 1867788 A2 EP1867788 A2 EP 1867788A2 EP 07301046 A EP07301046 A EP 07301046A EP 07301046 A EP07301046 A EP 07301046A EP 1867788 A2 EP1867788 A2 EP 1867788A2
Authority
EP
European Patent Office
Prior art keywords
wing
anchor device
rocking
threshing
link
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Withdrawn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
EP07301046A
Other languages
English (en)
French (fr)
Other versions
EP1867788A3 (de
Inventor
Philippe Menneteau
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1867788A2 publication Critical patent/EP1867788A2/de
Publication of EP1867788A3 publication Critical patent/EP1867788A3/de
Withdrawn legal-status Critical Current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
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/803—Ground anchors with pivotable anchoring members
    • 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
    • E02D5/74—Means for anchoring structural elements or bulkheads

Definitions

  • the present invention relates to a tilting anchor device.
  • a tilting anchor device comprises a penetrating part to which is pivotally connected a tie such as a cable or a rigid rod. Front view this penetrating piece has a small cross section and a large longitudinal section in the plane substantially perpendicular to the pulling direction of the tie rod in the service position.
  • This piece is introduced into the ground, in a direction substantially identical to the direction of traction by means of a driving bar whose end is connected to the penetrating part.
  • This penetration bar carrying at its end the penetrating part is introduced into the ground by any suitable means, manual with impact tools such as a mass or mechanical, electric jackhammer, pneumatic or hydraulic for example.
  • the driving bar is withdrawn and a dry traction is exerted on the tie rod.
  • This traction causes the rotation of the part hence the term "rocker”, and its important longitudinal section then opposes its withdrawal.
  • anchoring devices are numerous, whether in civil engineering, for retaining workpieces, for street furniture structures, for fixing masts, or for plant engineering for stabilization of soil, banks or for the fight against avalanches and landslides.
  • a problem is related to the depression.
  • a driving bar which is inserted into an inner housing of the penetrating part, said housing can be blind or through, which in this case requires a cylindro-conical hole.
  • This rod has the disadvantage of being cylindrical and the user has no opportunity to control the orientation of the penetrating part during the insertion into the ground. The accuracy of the positioning remains a little random while orientation depends largely on the quality of the anchorage.
  • the penetrating parts have a central body and a wing by analogy with the profile of an aircraft with a central fuselage and a wing distributed on either side of this fuselage.
  • the penetrating piece is introduced into the ground and carries with it a link.
  • This link particularly its connection with the penetrating part, must be protected from damage during the introduction, including friction against the elements of the soil, including rock fragments.
  • connection must allow unhindered pivoting during the pulling commissioning knowing that the penetrating part is driven into the ground and subjected to fine particles of soil that act as so many points of seizure.
  • the prior art essentially provides a hole formed transversely in a core of the penetrating part, but the edges of these holes must be chamfered so as not to weaken the link, which can be costly.
  • EP 313936 shows an anchor with a body and a wing, a blind hole in the body to receive the driving bar and an adjustable clevis attached to said body.
  • the European patent EP 725862 shows a non-polyvalent connection, intended to receive only a rod and further this arrangement illustrates all of the aforementioned drawbacks.
  • the European patent EP 786035 discloses a penetrating piece arranged to generate a large tilting torque during the first pulling commissioning.
  • a support boss of the link, cable or rod which makes it possible to increase the distance between the point where the traction force is exerted and the point of pivoting, thus to increase the torque of rotation.
  • the anchoring device comprises a body 10 and a blade 12, threshing means 14 and means 16 for receiving a link 18.
  • the body 10 comprises a tapered front portion, a medial portion 22, and a rear portion 24.
  • the front portion 20 is asymmetrical in that it comprises on the top an elevation 26, with respect to the plane containing the wing and including the median longitudinal axis YY ' , with a recess 28 at the front interface 20 / Middle portion 22. This arrangement is clearly visible in Figure 2.
  • the wing 12 comprises two wings 30-1, 30-2, symmetrical, arranged on either side of the body 10.
  • each wing 30-1, 30-2 comprises at least one recess, in this case two recesses 32-1D and 32-2D, 32-1G and 32-2 G.
  • leading edges of these wings immediately upstream of the recesses, preferably have angles of 45 to 50 ° with respect to the longitudinal axis YY ' .
  • Each wing 30-1, 30-2 has a profile of variable thickness.
  • a boss 34 starts at the leading edges so as to increase the thickness immediately downstream of the leading edges.
  • the thickness is maximum in the middle part 22 of the body 10, to the right of the means 16 for receiving the link 18.
  • the thickness decreases on the back to become low and constant in the rear portion 24.
  • Each wing optionally comprises flaps 36, which can be advantageously inclined downwards.
  • the threshing means 14 comprise a lug 38, male thus projecting at the rear of the device.
  • This lug 38 is centered on the axis YY ' preferentially and come from manufacture with the body 10 so as to constitute a monolithic assembly.
  • This lug 38 comprises means 40 of anti-rotation, in this case sections 42.
  • the means 16 for receiving a link 18 comprise a well 48 passing substantially rectangular shape with an orientation perpendicular to the plane of the wing along the axis ZZ ' .
  • a trunnion 50 is disposed in the upper part of the well 48 as is clearly visible in FIGS. 3 and 4. This trunnion is oriented parallel to the plane containing the wing and transversely to the axis YY ' , that is to say say along the XX ' axis.
  • This trunnion advantageously has a circular section with two flats 52-1 and 52-2, parallel and oriented along the axis ZZ ' .
  • the link 18 is shown in its recessed portion, the termination 54 may be a cable, a strap, a tie rod, a threaded rod, or an anchor rod 56 with butt as shown.
  • the opening section corresponds to just the width between flats so as to allow mounting by a perpendicular introduction but which prevents any untimely release as soon as there is a very slight rotation of the anchor rod.
  • the stick itself is pivotally mounted about the axis and the dimensions of the stick are such that they prohibit the disengagement out of the well.
  • the trunnion has no sharp edges that can weaken in particular the cable terminations.
  • the game around the trunnion is interesting in the context of this anchor device that is embedded in the ground. It is understood that precision mechanics must be discarded in favor of mechanically very strong arrangements but that the earth particles are not likely to seize.
  • bracket anchor rod When a bracket anchor rod is used, it is noted that the implementation is instantaneous and rocking anchor according to the invention shows all its versatility.
  • the fixing is identical by crimping a sleeve or by mounting cable ties.
  • the anchoring device is driven by means of manual, pneumatic, hydraulic, electric shock means according to the possibilities.
  • the impact means exert their action on the driving bar 46 which is fitted on the lug 38.
  • the anti-rotation means 40 of the lug, in this case the lugs 42, and the conjugate profile of the endpiece 44 hollow of this bar depressing 46 allow to control the orientation of the rocking anchor during the phase of penetration into the ground.
  • the forces are further exerted over the entire section of the lug and transmitted throughout the body 10 without creating burst pressure as in the case of driving bars penetrating into a hole in the penetrating part.
  • the wings of variable thickness cause compression of the penetration column with compaction of the medium, which allows to leave it clean, allowing if necessary an injection of a grout for ensure immobilization in position of the rocking anchor device according to the invention.
  • the locking of the anchoring device ie the tilting, is more efficient with a more limited rise in the first pulling commissioning.
  • the tapered front portion of the anchor penetrates in a known manner and the two recesses on each of the two wings promote penetration through the obstacles.
  • the recesses can also be beveled, which further strengthens the penetrating power.
  • the rear fins facilitate in a known manner the pivoting of the device during the first traction of commissioning.
  • the tear resistance resistor As soon as the first operating tension is exerted, an angle of inclination of 40 ° with respect to the driving direction is reached, the tear resistance resistor is already 80% of the theoretical maximum value. This maximum value is almost reached from 60 ° and varies little over the remaining 30 °.
  • the anchoring device according to the invention is easy to implement, with great precision, which leads to getting closer to each implantation of the theoretical values of resistance to tearing.

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)
  • Piles And Underground Anchors (AREA)
EP07301046A 2006-05-18 2007-05-16 Kippverankerungsvorrichtung Withdrawn EP1867788A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0651810A FR2901292B1 (fr) 2006-05-18 2006-05-18 Dispositif d'ancrage a bascule

Publications (2)

Publication Number Publication Date
EP1867788A2 true EP1867788A2 (de) 2007-12-19
EP1867788A3 EP1867788A3 (de) 2007-12-26

Family

ID=37873071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07301046A Withdrawn EP1867788A3 (de) 2006-05-18 2007-05-16 Kippverankerungsvorrichtung

Country Status (2)

Country Link
EP (1) EP1867788A3 (de)
FR (1) FR2901292B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3138155A1 (fr) * 2023-04-13 2024-01-26 Idelys Amarre à bascule comportant deux plaques non soudées avec système de blocage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564120B1 (fr) * 1984-05-11 1986-11-14 Inst Francais Du Petrole Dispositif d'ancrage a element articule ayant une forme coudee
DE3533408A1 (de) * 1985-09-19 1987-03-26 Rockenfeller Kg Vorrichtung zur verankerung von zuggliedern im erdreich
US6237289B1 (en) * 1996-01-16 2001-05-29 Foresight Products, Inc. Ground Anchor
FR2832439B1 (fr) * 2001-11-22 2004-05-14 Philippe Cantet Dispositif d'ancrage au sol a tirant, avec des moyens de protection et avec un profil de penetration a faces concaves
GB2402686B (en) * 2003-04-22 2005-08-24 Platipus Anchors Holdings Ltd Ground anchor drainage apparatus and a method of installation of ground drainage apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3138155A1 (fr) * 2023-04-13 2024-01-26 Idelys Amarre à bascule comportant deux plaques non soudées avec système de blocage

Also Published As

Publication number Publication date
FR2901292A1 (fr) 2007-11-23
FR2901292B1 (fr) 2008-08-08
EP1867788A3 (de) 2007-12-26

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