EP3414399B1 - Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage. - Google Patents

Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage. Download PDF

Info

Publication number
EP3414399B1
EP3414399B1 EP17709135.2A EP17709135A EP3414399B1 EP 3414399 B1 EP3414399 B1 EP 3414399B1 EP 17709135 A EP17709135 A EP 17709135A EP 3414399 B1 EP3414399 B1 EP 3414399B1
Authority
EP
European Patent Office
Prior art keywords
bulb
tubular element
ground
diameter
anchor
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.)
Active
Application number
EP17709135.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3414399A1 (fr
Inventor
Serge Borel
Marie Lebreton
Juan Fernando URIBE
Felipe GRUBER
Ivan CUBILLOS
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.)
Soletanche Freyssinet SA
Original Assignee
Soletanche Freyssinet 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 Soletanche Freyssinet SA filed Critical Soletanche Freyssinet SA
Publication of EP3414399A1 publication Critical patent/EP3414399A1/fr
Application granted granted Critical
Publication of EP3414399B1 publication Critical patent/EP3414399B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material
    • 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
    • E21B7/00—Special methods or apparatus for drilling

Definitions

  • the invention relates to the field of construction of anchors in the ground, and in particular that of the construction of anchor rods.
  • the invention will find its application in particular in the manufacture of anchor rods of medium capacity, more particularly made in loose soil.
  • an anchor is a device capable of transmitting the tensile forces which are applied to it to a layer of soil by resting on a reaction mass constituting the structure to be anchored.
  • An object of the present invention is to solve the aforementioned drawbacks by proposing a method of manufacturing an anchor offering better sealing of the reinforcement in the ground.
  • the implementation of the method according to the invention therefore makes it possible to obtain an anchoring in the ground which comprises an upper portion having a first diameter, and a bulb of substantially cylindrical shape having a second diameter greater than the first diameter.
  • a deployable mixing device makes it possible to guarantee the diameter of the bulb.
  • a drilling machine it is possible for example to use the tool described in the documents EP 1878833 , EP 2931979 , ES 2402975 or JP 11222846 .
  • the step of mixing the soil in place with the fluid can be carried out by moving the drilling tool in the direction of drilling in a first direction, in a second direction opposite to the first direction, or even in both meaning.
  • the mixing step is carried out during a descent phase and / or an ascent phase of the drilling tool.
  • the fluid is a binder, so that the bulb comprises a first material forming a mixture consisting of the mixture of the soil in place with the binder.
  • the step of introducing the drilling tool into the ground is accompanied by the injection of a drilling fluid, for example water.
  • the anchor is an anchor tie
  • the upper portion constitutes the free part of the tie
  • the bulb constitutes the sealed part of the tie.
  • the frame is then fixed to an anchor head.
  • the difference in diameter between the free part and the sealed part appreciably improves the sealing capacity of the tie rod.
  • the shoulder formed between the bulb and the upper portion participates advantageously in the sealing of the bulb in the ground.
  • the reinforcement is inserted into the bulb after removal of the drilling tool.
  • the second diameter is at least equal to twice the first diameter. More preferably, the second diameter is at least three times the first diameter. More preferably, the second diameter is at least four times the first diameter.
  • the second diameter of the bulb is at least 400 mm, while the first diameter of the upper portion is between 100 and 300 mm.
  • the bulb has a cylindrical portion terminated by a frustoconical portion connecting the cylindrical portion to the upper portion.
  • the length of the bulb depends in particular on the effort to be taken up by the anchoring and on the characteristics of the ground, in particular the lateral friction.
  • the frame is coated with sealing grout.
  • the frame is embedded in a volume of grout which extends at least into the bulb.
  • the volume of grout also extends in the upper portion.
  • the bulb is drilled while the first material is still fresh.
  • the armature is a self-drilling armature which is constituted by the drilling device which is used to carry out drilling in the bulb.
  • the third diameter is less than the first diameter.
  • the third diameter is at least equal to the first diameter of the upper portion.
  • the first material constituting the upper portion at the end of the mixing step is replaced by the grout at the end of the filling step.
  • An anchor is therefore obtained having an upper portion (possibly wider than the initial upper portion) consisting of grout, this upper portion extending longitudinally in the bulb.
  • the grout is chosen so that the friction between the grout and the first material is greater than the friction between the grout and the ground, which allows in particular to be able to reduce the length of the sealed part compared to a conventional tie rod.
  • the invention makes it possible to guarantee significant friction between the reinforcement and the grout.
  • the grout is a cement grout having a cement-to-water mass ratio (C / E) of the order of 2. It can also be a resin or any other hardening product.
  • the lateral friction obtained is preferably of the order of 1 MPa.
  • the tubular element makes it possible in particular to facilitate the insertion of the mixing device into the ground when it is in the retracted position. It also supports the ground and guarantees the first diameter of the upper portion.
  • the tubular element serves both as a guide to facilitate the insertion of the reinforcement into the ground, and also as a conduit for bringing the grout into the borehole.
  • the tubular element makes it possible to fill the borehole with grout from its lower part, which facilitates filling.
  • the frame is an open tube at its lower end to facilitate filling. It can also be a bar attached to a hose or a tube with cuffs.
  • the tubular element is first introduced into the ground, then the drilling tool is introduced into the tubular element previously introduced into the soil.
  • the tubular element is simultaneously introduced into the ground with the drilling tool, the mixing device being previously brought into the retracted position and secured to the tubular element.
  • the tubular element is removed at the end or during the insertion step.
  • the filling step with sealing grout can be carried out during the withdrawal of the drilling tool.
  • the drilling tool comprises a tubular body extending along the longitudinal axis
  • the mixing device comprises two deployable wings which are pivotally mounted relative to the tubular body, and spring members arranged between the tubular body and each of the deployable wings, the spring members tending to bring the mixing device into the deployed position by pivoting the deployable wings.
  • the fluid is injected under pressure during the mixing step.
  • One advantage is to help with the destructuring of the soil and the mixing of the grout with the soil.
  • the pressure applied can range from a few kPa up to the high pressures used in jet-grouting, of the order of 60 MPa or more.
  • the initial bulb material consisting of the mixture of the soil in place with the fluid is replaced by a sealing material.
  • the fluid is a drilling fluid, for example water
  • the sealing material is a mortar.
  • the substitution step consists of injecting the sealing material into the bulb while removing the initial material from the bulb. More preferably, at the end of the mixing step, the injection of fluid is continued to evacuate the initial material, after which the mortar is injected.
  • the invention also relates to a method of constructing a prestressed anchor in a ground bordered by a reaction block, implementing the method of constructing an anchor according to the invention and in which the step d 'introduction includes a preliminary step of drilling the reaction block, in which, after obtaining the anchor, a tie head is placed between the reaction block and the frame, then the frame is tensioned.
  • the reaction mass can be a wall, a raft, or any other structure to be anchored.
  • the invention also relates to an anchoring in a ground in which, considered from the surface of said ground, said anchoring extends in a longitudinal direction and successively comprises an upper portion having a diameter, then at least one bulb having a diameter greater than the diameter of the upper portion, the upper portion and the bulb comprising at least one first material, and the anchoring further comprises a frame extending in the longitudinal direction in the upper portion and in the bulb.
  • the first material consists of a mixture of the excavated soil with a binder.
  • the proportions of soil and binder within the first material will be chosen according to the type of soil and the strength objective of the anchor. According to a variant, the proportion of soil is less than 10%.
  • the frame is coated with a second material according to a coating diameter which is less than the diameter of the bulb.
  • the coating diameter is at least equal to the diameter of the upper portion.
  • the second material is advantageously different from the first material.
  • the second material forms a cylindrical coating extending longitudinally in the bulb and in the upper portion.
  • the second material is a sealing grout.
  • the anchoring frame preferably includes a metal bar, a tube or at least one strand.
  • the invention finally relates to an anchor tie comprising an anchor according to the invention.
  • a drilling machine 10 is provided, such as that described in EP 1878833 or EP 2931979 .
  • This drilling machine 10 which is not described in detail here, comprises a drilling tool 12 which is rotatable about a longitudinal axis A.
  • the means for driving the drilling tool 12 in rotation are known elsewhere, and will not be described here.
  • the drilling tool 12 is moreover provided with a deployable mixing device 14 which has a retracted position illustrated in figure 1 , and a deployed position illustrated in figure 2 .
  • the drilling tool 12 comprises a tubular body 16 extending along the longitudinal axis A ; the mixing device 14 comprises two deployable wings 18, 20 which are pivotally mounted relative to the tubular body 16 about an axis of rotation X which is perpendicular to the longitudinal axis A.
  • the mixing device further comprises members springs not shown here, which are arranged between the tubular body 16 and each of the deployable wings 18, 20. In known manner, the spring members tend to lead the mixer device in the deployed position by pivoting the deployable wings around the axis X.
  • the mixing device 14 has, in its deployed position illustrated in figure 2 , a diametral span T1 which is greater than its diametral span T2 in the retracted position.
  • the drilling machine 10 further comprises a device 22 for injecting a pressurized fluid into the soil.
  • the fluid is a binder.
  • the injection of fluid into the soil S is done by means of nozzles arranged in the tubular body 16 of the drilling tool near the wings 18, 21.
  • a step of introducing the drilling tool into the ground is carried out in a drilling direction F which is parallel to the longitudinal axis A in order to forming an upper portion C having a height H 1, a first diameter D1 .
  • the upper portion C extends from the ground surface to a first depth P1 .
  • the upper portion C has a substantially cylindrical shape having the diameter D1 .
  • the mixing device is in the retracted position during the introduction step. It is specified that the diametrical span T2 of the mixing device in the retracted position is substantially equal to or slightly less than the diameter D1 .
  • the drilling tool 12 also comprises a cutting member 13 which is arranged at the distal end of the tubular body 16 below the mixing device.
  • This cutting member 13 is configured to perform drilling in the soil S according to the direction of drilling.
  • a mixing step is carried out during which the mixing device is brought into the deployed position, by deploying the wings 18, 20. Then, one drives in rotation the drilling tool with the mixing device 14, in the deployed position while injecting the binder so as to carry out an in situ mechanical mixing of the soil in place with the binder.
  • the drilling tool is moved axially along the drilling direction F so as to form a bulb B in the ground, below the upper portion C.
  • the bulb B has a second diameter D2 which is greater than the first diameter D1 of the upper portion.
  • the bulb B is produced from top to bottom, by deploying the wings immediately below the upper cavity.
  • the wings could be deployed when the drilling tool has reached the depth corresponding to the depth of the lower part of the bulb B.
  • the bulb would be formed from below at the top by raising the drilling tool 12.
  • the deployment of the wings is carried out automatically, so that the bulb B is produced from top to bottom by longitudinal displacement of the mixing device in the deployed position and injection of fluid.
  • the ground has been illustrated, in vertical section, after removal of the drilling tool.
  • bulb B has a cylindrical shape extending over a height H2. It is understood that the second diameter D2 corresponds to the maximum diameter of the bulb B.
  • the bulb B has, at its lower end B1 , an extension of a diameter less than the second diameter D2.
  • the bulb also comprises at its upper end B2 a frustoconical shape making the junction between the cylindrical portion of diameter D2 and the upper portion C of diameter D1 . This frustoconical shape promotes the sealing of the bulb in the ground.
  • an insertion step is then carried out during which a frame 30 is inserted into the bulb B after having removed the drilling tool 12 from the ground.
  • the frame 30 consists of a metal bar which is inserted in the direction of drilling.
  • the anchor 100 is obtained in the soil extending in a longitudinal direction Z which corresponds to the direction of drilling F.
  • the step of introducing the drilling tool into the ground, and the mixing step are similar to those of the first mode of implementation.
  • the second mode of implementation is distinguished from the first mode of implementation, by the fact that, after the mixing step, the drilling tool is removed from the ground and then, during the step of insertion: drilling K is carried out in the bulb B in the drilling direction F before hardening of the soil-binder mixture.
  • the borehole K has a third diameter D3 which is less than the second diameter D2 of the bulb B.
  • the borehole K is carried out using a drilling device 40 of tubular shape whose lower end is open and carries a means of section 42. As illustrated in figure 7 , after having drilled K, the latter is filled with grout. In this example, the filling with grout is done by injection through the drilling device 40, while raising the drilling device.
  • the reinforcement 30 is inserted into the borehole K, as illustrated in figure 8 .
  • the reinforcement 30 could be inserted into the borehole K before the step of filling with grout.
  • the grout is cement grout having a C / E cement to water ratio of the order of 2.
  • the grout is chosen so that the friction between the reinforcement and the grout is high, of the order of 1 MPa. It is also chosen so that the friction between the grout and the mixture resulting from the mixing of the soil with the binder is greater than the friction between said mixture and the soil surrounding the anchoring.
  • the third diameter D3 is also less than the first diameter D1 .
  • the third diameter D3 could be equal to or slightly greater than the first diameter D1 of the upper portion, so as to replace the material constituting the upper portion, namely the above-mentioned mixture, with grout of sealing. This variant is particularly illustrated in figure 22 which will be described in more detail below.
  • the drilling machine further comprises a tubular element 50 which has a diameter D and a lower end 50a, as well as 'a length L.
  • the mixing device is shaped to be housed in the tubular element 50 when the mixing device is in the retracted position.
  • the diametrical span T1 of the mixer device in the deployed position is greater than the diameter D of the tubular element 50.
  • the diametral span T2 of the mixer device in the retracted position is less than the diameter D of the tubular element 50.
  • the tubular element 50 is introduced into the ground in the direction of drilling F , having previously arranged the drilling tool in the retracted position in the tubular element 50. To do this, it is secured the drilling tool 12 with the tubular element 50 and the assembly consisting of the tubular element secured to the drilling tool is introduced into the ground along the direction of drilling, as illustrated in figure 10 .
  • the drilling tool is detached from the tubular element and then descended axially the drilling tool 12 in the direction of drilling F with respect to the tubular element 50.
  • the mixing device 16 is moved under the lower end 50a of the tubular element 50, after which the step of in-situ mixing of the excavated soil with the binder.
  • the tubular element 50 surrounds and delimits the upper portion C which is arranged above the bulb B. After removal of the drilling tool 12, the reinforcement 30 is introduced into the bulb in the direction of drilling F, after which the tubular element 50 is removed .
  • a fourth mode of implementation of the method according to the invention has been illustrated, which differs from the third mode of implementation in that, after removing the drilling tool 12 from the ground S, then, during the insertion step: drilling K is carried out in the upper portion C and in the bulb B in the direction of drilling F and according to a third diameter D3 smaller than the second diameter D2. The borehole is then filled with the grout before inserting the reinforcement 30 into the borehole K. Then, the tubular element is removed from the ground.
  • This mode of implementation differs from the third mode of implementation in that, after the mixing step, the mixing device is brought, in the retracted position, into the tubular element 50 then, during step d introduction, the drilling tool 12 is secured to the tubular element 50, and the assembly consisting of the drilling tool 12 and the tubular element 50 is rotated , and said assembly is moved towards the lower end B1 of the bulb B.
  • This displacement is effected in the direction of drilling F so as to carry out a drilling K ' in the bulb B, it being recalled that the bulb B is at this moment made up of a fresh mixture resulting from the mixing of the soil excavated with the binder.
  • the drilling tool 12 and the tubular element 50 are separated , after which the drilling tool is removed from the ground while leaving the tubular element 50 in the bulb B, as is illustrated in figure 23 .
  • the frame 30 ' is inserted into the tubular element 50.
  • the frame 30' consists of a tube open at its lower end 30'a and at its upper end 30'b.
  • the tubular element 50 After introduction of the armature 30 'in the tubular element 50, filling the tubular element 50 with the sealing slurry to fill the drill K'. This filling is carried out by injecting the sealing grout through the upper end 30'b of the frame 30 ' so as to discharge the grout from the lower end of the frame. After filling the hole K ' with the grout, the tubular element 50 is removed from the ground so as to obtain the anchoring.
  • the frame 30 ' could also be a bar or a strand associated with an injection device such as a cuff tube or more simply a hose. Without departing from the scope of the present invention, the filling could also be carried out during the step illustrated in figure 23 .
  • an anchor rod 300 is illustrated comprising an anchor 200 produced using the second, fourth or fifth embodiment of the method according to the invention.
  • This anchor 300 is secured to a reaction mass 310 and which borders the ground.
  • the reaction mass 310 is a vertical concrete wall.
  • the aforementioned introduction step comprises a preliminary step of drilling the reaction mass 310. This drilling is carried out in a drilling direction which is inclined relative to the vertical direction so that the 'longitudinal axis Z of the anchor is inclined relative to the vertical.
  • Anchoring 200 is then carried out by implementing the method according to the invention.
  • the anchor 200 considered from the surface, successively comprises an upper portion G then at least one bulb B which has a diameter D2 greater than the diameter D3 of the upper portion P.
  • the upper portion G extends at a height H1 while the bulb extends over a height H2. It is specified that the upper portion G is intended to form the free part of the anchor tie, while the bulb B forms the sealed part of the anchor tie 300.
  • friction is reduced significantly by a device 203 , such as a greased sheath, or a frame coated with a non-stick coating.
  • the upper portion G forms the upper part of a cylindrical core consisting of grout which extends longitudinally in the bulb B.
  • the bulb B consists of an annular layer of mixture consisting of a soil-binder mixture surrounding the cylindrical core of grout.
  • the anchor 200 also comprises a frame 30, in this case a metal bar of diameter D4, which extends in the longitudinal direction Z in the upper portion G and in the bulb B.
  • the cylindrical grout core coats the reinforcement 30 over more than two-thirds of its length. It is therefore understood that the bulb B is made of a first material resulting from the mixture of the excavated soil with the binder and of a second material, in this case the sealing grout, which surrounds the frame 30, the first coating material. the second material.
  • the diameter D2 of the bulb B is equal to 600 mm, while the coefficient of friction between the first material and the ground is 80 kPa.
  • the diameter of the cylindrical core extending inside the bulb B which is made of the second material has a diameter D3 equal to 150 mm, and a coefficient of friction between the first and the second material of the order of 320 kPa.
  • the diameter of the armature 30 is 50 mm, and the coefficient of friction between the armature and the second material is of the order of 960 kPa.
  • a tie-rod head 320 is mounted at the upper end of the upper portion G, this tie-rod head being fixed to the reaction frame and to the frame 30. After placing the tie-rod head 320, the armature 30 is tensioned so as to pre-stress the anchor tie 300.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Piles And Underground Anchors (AREA)
EP17709135.2A 2016-02-10 2017-02-09 Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage. Active EP3414399B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1651052A FR3047496B1 (fr) 2016-02-10 2016-02-10 Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage
PCT/FR2017/050297 WO2017137702A1 (fr) 2016-02-10 2017-02-09 Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage.

Publications (2)

Publication Number Publication Date
EP3414399A1 EP3414399A1 (fr) 2018-12-19
EP3414399B1 true EP3414399B1 (fr) 2020-04-01

Family

ID=56611297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17709135.2A Active EP3414399B1 (fr) 2016-02-10 2017-02-09 Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage.

Country Status (11)

Country Link
US (1) US10907317B2 (es)
EP (1) EP3414399B1 (es)
AU (1) AU2017218639B2 (es)
CO (1) CO2018008388A2 (es)
ES (1) ES2803373T3 (es)
FR (1) FR3047496B1 (es)
HK (1) HK1258669A1 (es)
MX (1) MX2018009642A (es)
NZ (1) NZ744763A (es)
SG (1) SG11201806391UA (es)
WO (1) WO2017137702A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110499766B (zh) * 2019-08-30 2022-03-11 郑州安源工程技术有限公司 一种薄型切槽提升同步注浆装置及其使用方法
CN114150664B (zh) * 2021-11-15 2023-04-07 中国地质调查局武汉地质调查中心 一种预应力玄武岩纤维锚杆快速施工装置及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH146798A (de) * 1930-04-01 1931-05-15 C Wolfsholz Dr Ing H Verfahren und Einrichtung zur Herstellung einer Betonpfahlgründung und nach dem Verfahren hergestellte Betonpfahlgründung.
US4015433A (en) * 1974-12-30 1977-04-05 Mituo Shibata Method for settling anchoring device in the ground
US4411557A (en) * 1977-03-31 1983-10-25 Booth Weldon S Method of making a high-capacity earthbound structural reference
US4843785A (en) * 1986-06-26 1989-07-04 Secure Anchoring & Foundation Equipment, Inc. Anchoring and foundation support apparatus and method
US5348424A (en) * 1992-02-07 1994-09-20 Railway Technical Research Institute Reinforcing block for excavation work and method of construction thereof
JP3218433B2 (ja) 1998-02-10 2001-10-15 株式会社利根 拡孔式地盤改良装置
US9169611B2 (en) * 2000-06-15 2015-10-27 Geopier Foundation Company, Inc. Method and apparatus for building support piers from one or more successive lifts formed in a soil matrix
US6988856B2 (en) * 2003-04-08 2006-01-24 Schellhorn Verne L Large scale soil processing tool for use with a preformed sacrificial guide
FR2903711B1 (fr) 2006-07-12 2010-12-10 Cie Du Sol Outil melangeur pour le traitement d'une portion de sol.
ES2402975B1 (es) 2011-02-09 2014-06-03 Grupo Rodio Kronsa, S.L. Dispositivo mezclador para tratamiento de suelos con fluidos conglomerantes.
ITVI20120051A1 (it) 2012-03-02 2013-09-03 Dalla Gassa Srl Elemento di ancoraggio perfezionato per il consolidamento di terreni
FR2999200B1 (fr) 2012-12-11 2015-02-06 Soletanche Freyssinet Outil melangeur pour le traitement d'une portion de sol
FR3023856B1 (fr) * 2014-07-18 2016-08-19 Soletanche Freyssinet Procede de fabrication d'un element dans un sol par melange in situ du sol en place avec un geopolymere
CN109072575A (zh) * 2016-08-10 2018-12-21 韩国建设技术研究院 微型桩的波形注浆体及其形成方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2017137702A1 (fr) 2017-08-17
ES2803373T3 (es) 2021-01-26
MX2018009642A (es) 2019-05-06
FR3047496B1 (fr) 2019-07-05
AU2017218639A1 (en) 2018-08-16
CO2018008388A2 (es) 2018-08-21
AU2017218639B2 (en) 2020-05-07
HK1258669A1 (zh) 2019-11-15
US20190048550A1 (en) 2019-02-14
NZ744763A (en) 2021-07-30
US10907317B2 (en) 2021-02-02
EP3414399A1 (fr) 2018-12-19
FR3047496A1 (fr) 2017-08-11
SG11201806391UA (en) 2018-08-30

Similar Documents

Publication Publication Date Title
EP1525371B1 (fr) Conduite de guidage telescopique de forage en mer
EP3002371B1 (fr) Machine et procédé pour la réalisation de colonnes dans un sol
EP1748108B1 (fr) Tarière à ergot mobile pour réaliser un forage
EP0265344B1 (fr) Procédé pour la réalisation d'un pieu dans le sol, machine de forage et dispositif pour la mise en oeuvre de ce procédé
EP1146173B1 (fr) Machine pour la réalisation de pieux forés
EP2390420B1 (fr) Paroi formée dans un sol, comprenant un élément préfabriqué creux, et procédé de réalisation d'une telle paroi
EP0240493B1 (fr) Procede de compactage-armature-injection ou de decompactage-drainage et de construction d'ouvrages lineaires et d'ouvrages plans dans les sols
CH633058A5 (fr) Dispositif pour la realisation de tirants ancres dans le sol et utilisation dudit dispositif.
EP3414399B1 (fr) Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage.
FR2566813A1 (fr) Dispositif et procede pour la realisation de pieux en beton dans le sol et pieux obtenus par ce procede
EP1087063B1 (fr) Dispositif de forage et d'ancrage et procédé de mise en place de tirants d'ancrage
EP2268887A1 (fr) Element de conduite de transition d'inertie notamment pour encastrement d'une conduite rigide sous-marine
EP2925935B1 (fr) Procede de mise en place et de scellement d'un element tubulaire dans un sol sous charge d'eau
FR2611829A1 (fr) Procede et dispositif pour realiser un ancrage dans un massif
FR2594864A1 (fr) Procede, armature et dispositifs de fabrication d'une paroi moulee dans le sol
WO2014049277A1 (fr) Procédé de réalisation d'un ancrage dans un sol
FR2601706A1 (fr) Procede d'ancrage d'un pieu de fondation dans le sol et dispositif pour la mise en oeuvre de ce procede
EP2631367A2 (fr) Machine de forage pour la réalisation de pieux comprenant une sonde pénétrométrique
EP0451058B1 (fr) Procédé et dispositif d'élimination d'un tubage disposé dans un puits d'accès à une cavité saline de stockage de gaz
FR2635129A1 (fr) Perfectionnements aux dispositifs et procedes pour la realisation de pieux en beton dans le sol
FR2615880A1 (fr) Procede pour integrer a un terrain vertical en pente ou en contre-pente des ossatures de consolidation ou autres et outillage pour sa mise en oeuvre
EP3205775A1 (fr) Dispositif et procédé de forage
FR2634804A1 (fr) Procede pour la mise en place d'un poteau prefabrique dans un forage de grande profondeur et poteau pour la mise en oeuvre de ce procede
BE503603A (es)
FR2912160A1 (fr) Dispositif et methode de determination de la force portante d'un pieu enfonce dans le sol par vibrofoncage

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180724

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20190517

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190909

REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1258669

Country of ref document: HK

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1251477

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200415

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602017013994

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200701

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20200401

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200801

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200701

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200702

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200817

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1251477

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602017013994

Country of ref document: DE

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2803373

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20210126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

26N No opposition filed

Effective date: 20210112

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602017013994

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210228

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210209

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210901

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210209

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230119

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20230119

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20170209

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240301

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200401

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20240123

Year of fee payment: 8