EP3749810A1 - Fondation d'appui ponctuel de structure et procede de construction d'une telle fondation - Google Patents
Fondation d'appui ponctuel de structure et procede de construction d'une telle fondationInfo
- Publication number
- EP3749810A1 EP3749810A1 EP19707443.8A EP19707443A EP3749810A1 EP 3749810 A1 EP3749810 A1 EP 3749810A1 EP 19707443 A EP19707443 A EP 19707443A EP 3749810 A1 EP3749810 A1 EP 3749810A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- excavation
- decking
- support
- foundation
- structural
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/50—Anchored foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
Definitions
- the present invention relates to a structural punctual support foundation, a foundation installation for a structure with several point supports and a method of constructing a structural punctual support foundation. It applies more specifically to the construction of foundations of heavy structures, such as towers carrying high voltage power lines, likely to cause high tensile and compressive stresses.
- Such a foundation, or foundation installation is a buried structure whose role is to anchor a superstructure in the ground, including, in the case of transmission of electricity by overhead line, various towers completed by cables and all the corresponding equipment. .
- This work is in direct contact with the ground of a soil and its function is to transmit to it the weight and the different overloads applied to the structure, as defined in the article by D. Naud, entitled “ Airlines: materials - Foundations of the supports ", published in the book” Techniques of the engineer - Common problems of the electrical networks: engineering ", pages D4425-1 to 6, on February 10, 2004.
- foundations mainly concrete foundations and metal foundations associating a decking with a structural foot support assembly.
- the use of concrete is to be avoided or limited for any helicopter operation because of its weight.
- the deck-type foundation structures that can be pre-assembled in several elements before being put in place on site are more suitable.
- the invention therefore applies more particularly to a structural support of a structure comprising: a decking arranged at the bottom of a trench formed in a floor, the decking extending laterally on the periphery towards at least one lateral wall of the excavation,
- Metal decking foundations are potentially significantly lighter than concrete, but also less resistant to tensile forces transmitted by structures such as the aforementioned pylons.
- two aspects must be taken into account when building a new foundation: the geotechnical suit, involving a study of the interaction between the foundation and the soil in which it is buried, as well as an evaluation of the limit value of ground breaking, and intrinsic holding, involving sufficient sizing of the foundation structure.
- the least resistance of a metal foundation must then be offset by a large volume of the excavation, which affects the environmental impact.
- a punctual support structure support comprising:
- a decking arranged at the bottom of a trench formed in a floor, the decking extending laterally on the periphery towards at least one lateral wall of the excavation,
- the rakes make it possible to mobilize by shearing the soil in place undisturbed outside the volume of the excavation, to produce a force resistant to the traction force transmitted to the foundation by the structure, which also allows a reduction significant of the size of the search.
- Earth-moving operations are therefore limited and can be done with light, heli-trillable tools.
- a footprint of the excavation of 1,80 m by 2.50 m is sufficient to take tensile and compressive forces of approximately 800 kN, whereas under the same conditions would be less resistant without the steps as arranged and fixed according to the present invention.
- the rakes are sinking laterally into the ground from the periphery of the decking to which they are fixed against ends of transverse bars of the decking.
- each step comprises a support plate and fixing against an end plate of one of the transverse bars, this support plate and fixing being secured to an elongate portion laterally sinking in floor.
- a punctual structural support foundation may comprise a coring template pierced with holes and bordering the periphery of the decking, each step extending through one of the holes of the coring jig.
- the structure support structure support support comprises a trellis pyramidal pillar surmounted by a base for receiving the specific structure support.
- each redan is:
- the decking, the structure support support structure support and the steps are made of metal material.
- the step of arranging the plurality of steps comprises a lateral coring of the ground at the bottom of the excavation for the creation of a plurality of lateral holes and the arrangement of each step in one of the lateral holes.
- FIG. 1 is a diagrammatic front sectional view of the general structure of a structural support structure according to one embodiment of the invention
- FIG. 2 is a diagrammatic sectional view of the general structure of the one-piece structural support foundation of FIG. 1,
- FIG. 3 is an exploded perspective view of an exemplary metallic embodiment of elements of the point structure bearing foundation of FIGS. 1 and 2,
- FIG. 4 is a diagrammatic plan view of the general structure of a foundation installation for a quadripode tower carrying high voltage power lines
- FIG. 5 is a perspective view of an exemplary metal embodiment of a core drilling template of a structural punctual support foundation according to one embodiment of the invention
- FIG. 6 is a perspective view of an example of a metal embodiment of a control jig adapted to cooperate with the coring jig of FIG. 5, and
- FIG. 7 illustrates the successive steps of a method of constructing a structural support structure, according to one embodiment of the invention.
- a structural punctual support foundation is constructed in a dig 10 excavated in a soil 12.
- the excavation 10 in the form of a rectangular parallelepiped, may have a depth P of 2.8 m, a width L1 of 1.80 m according to the front view of FIG. 1 and a length L2 of 2.50 m according to the profile view of FIG. Figure 2.
- a slab 14 of clean concrete is optionally but advantageously cast and serves as a support and / or horizontal seal for the foundation.
- the foundation itself comprises a deck 16, also horizontally disposed at the bottom of the excavation 10 on the concrete concrete slab 14, extending laterally across the width L1 at the periphery towards at least one side wall 10A, 10B of the excavation 10
- the decking 16 of FIG. 1 comprises several transverse bars or transverse beams with "I" profile, arranged horizontally and parallel, at the ends of which are welded rectangular or square metal plates forming the periphery of the decking 16 and facing each other. at the side walls 10A, 10B.
- the decking 16 further comprises two longitudinal bars or metal beams 20 A , 20 B with an inverted "T" profile under which are fastened, for example by bolting (that is to say with the aid of a system of rigid fastening with screws and nuts), the transverse beams.
- the first 20A extends horizontally at the bottom of the trench 10 parallel to the side wall 10A and in its vicinity
- the second 20B extends horizontally at the bottom of the trench 10 parallel to and in the vicinity of the side wall 10B.
- the decking 16 can be placed and fixed on the slab 14 of clean concrete, or partially cast therein.
- the slab 14 of clean concrete is advantageously cast in at least two successive layers: a first layer on which the decking 16 is laid horizontally and fixed; then a second cast layer to partially bury the decking 16 and seal it permanently.
- the foundation further comprises a support structure of one-piece support fixed to the decking 16, more precisely by bolting on the longitudinal beams 20 A , 20 B and extending in the excavation 10 from the bottom to area.
- This support assembly is more specifically constituted by a pyramidal metal pillar lattice 22 surmounted by a metal cap 24 itself carrying a metal base 26 for receiving the point support of a structure such as a foot of pylon.
- the foundation further comprises a backfill material 28 filling the excavation 10 to the surface.
- the foundation further comprises a plurality of recesses each sinking laterally into the ground 12, from the periphery of the deck 16 to which they are attached, beyond said at least one side wall of the search 10.
- the first redan 30A is fixed against the plate 18A forming the first end of the transverse beam 18, for example by bolting, and sinks horizontally laterally into the ground 12 beyond the side wall 10A to a depth of several tens of times. centimeters, for example between 20 and 50 cm. It comprises a support plate 32A, fixed against the plate 18A, and an elongate portion 34A, for example a portion of bar or beam of the same profile as the transverse metal beam 18, or similar profile, and welded to the plate of 32A support.
- the second step 30B is fixed against the plate 18B forming the second end of the transverse beam 18, for example by bolting, and sinks horizontally laterally in the ground 12 beyond the side wall 10B to a depth several tens of centimeters, for example between 20 and 50 cm. It comprises a support plate 32B, fixed against the plate 18B, and an elongate portion 34B, for example a portion of bar or beam of the same profile as the metal beam 18, or similar profile, and welded to the plate of support 32B.
- a pair of steps can thus be arranged and fixed at the two ends of each transverse metal beam so as to extend it laterally in the ground 12.
- the arrangement of the steps can be done by lateral coring of the ground 12, insertion of the steps in the lateral holes formed by coring, then sealing the steps in the lateral holes using a binder such as cement grout, mortar or concrete.
- FIG. 2 illustrates the one-piece structural support foundation of FIG. 1 in profile section. According to this view, the lattice structure of the pyramidal metal pillar 22 of the support assembly is visible. Furthermore, it is noted that the cap 24 and the base 26 may be inclined relative to the vertical so as to optimally resume the efforts taken punctually on a structure when the latter is inclined. This is for example the case when the structure is a quadruple pylon carrying high voltage power lines and the foundation is intended to take over the constraints of one of the inclined feet of the pylon.
- the transverse beams of the deck 16 are all visible, five in number and have the references 18 1; 18 2 , 18 3 , 18 4 and 18 5 .
- the two longitudinal beams 20 A , 20 B is visible and has the general reference 20.
- FIG. 3 is an exploded perspective view of an exemplary metallic embodiment of elements of the one-dimensional structural support foundation of FIGS. 1 and 2.
- the five transverse beams 18i, 18 2 , 18 3 , 18 4 , 18 5 and the two longitudinal beams 20 A , 20 B of the decking 16 are all visible, as well as a good part of the bolts that allow their attachment.
- Five pairs of steps are also visible in the lateral extensions of the five transverse beams 18 1; 18 2 , 18 3 , 18 4 , 18 5 .
- Two steps 30A 1; 30B ! are intended to be fixed to the end plates of the transverse beam 18 ! .
- Two steps 30A 2 , 30B 2 are intended to be fixed to the end plates of the transverse beam 18 2 .
- Two steps 30A 3 , 30B 3 are intended to be fixed to the end plates of the transverse beam 18 3 .
- Two steps 30A 4 , 30B 4 are intended to be fixed to the end plates of the transverse beam 18 4 .
- steps 30A 5 , 30B 5 are intended to be fixed to the end plates of the transverse beam 18 5 .
- a first lower level 36 comprises metal members bolted together: four lower members participating in the outer pyramidal structure, two times two lattice members and four horizontal members in the upper part to form an intermediate plate.
- a second upper level 38 has four other metal members participating in the outer pyramidal structure and extending from the free ends of the four lower chords, and in their extension, to the cap 24. The four lower chords are attached to the other four chords of the upper level 38 by bolting and through frame joints.
- the cap 24 has a flared "U" section to secure the four ends of the chords that meet at the top of the pyramidal pillar 22, also by bolting.
- sinkers and connecting gussets are advantageously fixed to the lower ends of the lower chords of the lower level 36 and the longitudinal beams 20 A, 20 B to fix by bolting the pyramidal pillar 22 to the deck 16.
- the base 26 comprises a return plate 40, fixed by bolting on the cap 24, surmounted by a welded base leg 42 which extends upwards, optionally at a certain inclination as illustrated. in Figure 2.
- FIG. 1 a foundation installation for a structure with several point supports is shown very schematically in plan view.
- the structure itself, bearing the reference 44, is represented symbolically by its main axes. This is for example a quadripod tower carrying high voltage power lines. It has four point supports 46, 48, 50, 52 requiring four foundations 54, 56, 58, 60 such as that illustrated in Figures 1 and 2, oriented along the axes of the four legs of the tower 44.
- a first optional but advantageous element of the foundation described above is illustrated in perspective in Figure 5. It is a core template 62 designed to border, particularly laterally, the periphery of the deck 16 at the bottom of the excavation 10. A this effect, it has two side plates 64A and 64B.
- the lateral plate 64A is pierced with five holes extending longitudinally, intended to be traversed respectively by the five steps 30A 1; 30A 2 , 30A 3 , 30A 4 and 30A 5 of Figure 3. It is sized to border the lateral periphery of the decking 16 which faces the side wall 10A of the excavation 10.
- the side plate 64B is also pierced with five holes identical ones extending longitudinally, intended respectively to be traversed by the five steps 30B 1; 30B 2 , 30B 3 , 30B 4 and 30B 5 of the Figure 3. It is dimensioned to border the lateral periphery of the deck 16 which faces the side wall 10B of the excavation 10.
- the side plates 64A and 64B are kept fixed at a distance from each other by means of reinforcement bars which extend from one to the other.
- Five lower reinforcement bars 66, 68, 70, 72, 74 are distributed longitudinally in the lower parts of the two lateral plates 64A and 64B and extend transversely. They are adjustable in length using telescopic limbs to adjust the distance between the two trays.
- Two upper reinforcing bars 76, 78 are further disposed at both longitudinal ends of the side plates 64A and 64B in high portions and also extend transversely.
- Two positioning studs male or female, are also fixed between two pairs of lower reinforcing bars.
- a first positioning pad 80 is arranged between the lower reinforcement bars 66 and 68, using a plate, to which it is welded, itself fixed by bolting to the two lower reinforcement bars 66 and 68.
- second positioning pin 82 is disposed between the lower reinforcing bars 72 and 74, using a plate, to which it is welded, itself fixed by bolting to the two lower reinforcement bars 72 and 74.
- height-adjusting feet 84 such as that illustrated in FIG. 5 are advantageously provided in the coring jig 62. They are screwed under four corresponding perforated plates 86, which are themselves fixed by bolting or welding in the lower parts of the tubes. 64A and 64B side plates to these and the first (66) and last (74) lower reinforcement bars.
- FIG. 6 A second optional but advantageous element for the construction of the foundation described above is illustrated in perspective in FIG. 6.
- This is an adjusting jig 88 designed to precisely adjust the positioning of the coring jig 62 at the bottom of the excavation 10. cooperating with him.
- it comprises two parallel vertical rods 90, 92 fixed at a distance from each other by means of a horizontal upper spar 94 and a brace 96 at mid-height and horizontal as well.
- the two free lower ends of the two vertical rods 90 and 92 are respectively provided with two positioning studs 98 and 100, female or male, intended to cooperate by embedding, then bolting, if any, with the two positioning studs 80 and 82 of the FIG. coring 62.
- the two rods 90 and 92 extend vertically so that the spar 94 appear on the surface and serve to fine-tune the positioning at the bottom of the excavation 10 using conventional instruments of a surveyor.
- it has one or more characteristic points for checking the adjustment, for example two small extensions 102, 104 extending the two vertical rods 90, 92 in high parts, or any other visible characteristic point.
- the adjustment template 88 can also be guyed to the side plates 64A and 64B of the core template 62 using known means.
- FIG. 7 A method of constructing a structural punctual support foundation such as that of FIGS. 1 and 2, with the coring jig 62 of FIG. 5, will now be detailed with reference to FIG. 7.
- the rectangular contours of the excavation 10 are drawn on the ground, for example with a tolerance of 1 to 2 cm for a search of 1.80 m by 2.50 m.
- a preliminary survey to the right of digging can be done.
- the removed soil is retained for a later step of backfilling. It may be advantageous to plan to manually scrub the bottom of the excavation 10 with the aid of a shovel over the last centimeters of depth, for example the last 60 cm, to prevent any subsidence or decompression of the soil 12 and to ensure that the final geometry of the bottom of the excavation 10.
- an internal lateral shielding of the excavation 10 may also be advantageous to gradually install an internal lateral shielding of the excavation 10 within certain limits: 10 cm of thickness and lower position of the shielding at least 1 m from the bottom of the excavation 10. He may also be recommended to dig a sump in the bottom of the excavation 10 ensuring access to the sump.
- the coring jig 62 is reconstituted at the surface according to the assembly of FIG. 5, with the exception of the two upper reinforcement bars 76, 78. It is mounted in a retracted disposition of the five lower bars of reinforcement 66, 68, 70, 72, 74 so that the two side plates 64A and 64B are brought closer to a distance much smaller than the width L1 of the excavation 10.
- the four height adjustment feet 84 are added.
- the core template 62 is lowered to the bottom of the excavation 10, for example using a mini-excavator. It is then widened by length adjustment of the five lower reinforcement bars 66, 68, 70, 72, 74 to a reference point indicating that the reached width can be set. Any means known to indicate the proper width and hold it fixed may be employed. In addition, wedges of wood or concrete for example can be used against or under the four height adjustment feet 84 to facilitate the subsequent adjustment in position of the core template 62. At this stage, the two upper reinforcing bars 76 and 78 can be installed.
- the adjustment template 88 is mounted and guyed on the core template 62 as previously indicated.
- the verticality of the rods 90 and 92 must be carefully checked.
- the spar 94 must extend beyond the ground level 12.
- the precise positioning of the core template 62 is adjusted in particular using the height adjustment feet 84.
- the concrete may be poured into the bottom of the trench 10 from the outside to form a first layer of the slab 14, during a step 214.
- the casting is for example maintained until covering the five lower reinforcement bars 66, 68, 70, 72, 74 of the coring jig 62 but allowing the holes formed in the lateral plates 64A, 64B to emerge and at least the two positioning studs 80 and 82, in particular enough to be able to remove the positioning studs 98, 100 and the adjusting jig 88.
- access to the sump must be retained and it is advisable to use a quick-setting concrete.
- the core template 62 is intended to be part of the foundation.
- the adjustment template 88 can be removed in order to be reused for the construction of another foundation.
- a core drill is lowered to the bottom of the excavation 10 and ten holes are laterally excavated in the soil 12 in the walls 10A and 10B in line with each of the holes of the side plates 64A and 64B.
- the lateral holes are for example dug several tens of centimeters deep, especially between 20 and 50 cm.
- the core drill is advantageously fixed to a reference frame to avoid any deviation that can be generated by the vibrations.
- the water consumed by the drill core can be discharged into the sump using appropriate known means, including a pump.
- PVC Vinyl Polychloride
- Each step is then inserted into the corresponding PVC tube by passing through one of the holes of the side plates 64A, 654B, with a cover plate for the PVC tube threaded into its elongated portion and held at a distance from its plate.
- the distance between the recessed end of the step and the cover plate is less than a few centimeters, for example 5 cm, to the length of the PVC tube so that the redan does not fall. can not reach the bottom of the lateral hole in which it is inserted.
- the deck 16 is lowered and disposed at the bottom of the excavation 10 so that it extends laterally peripherally to the two side walls 10A and 10B.
- the cross beams of the longitudinal ends that is to say, the beams 18 and 18 ⁇ 5, descended in the trench bottom 10, precisely positioned and fixed for example to the positioning pins 80 and 82 (Second positioning function of the pads 80, 82) and the steps 30A 1; 30B 1; 30A 5 and 30B 5 .
- the positioning pads 80 and 82 are arranged to be respectively in the main vertical planes of the four holes arranged at the longitudinal ends of the two side plates 64A and 64B.
- the remainder of the decking 16, that is to say the other transverse beams 18 2 , 18 3 , 18 4 and the longitudinal beams 20 A , 20 B can be assembled on the surface and lowered into a second time, to be then completely attached to the two transverse beams 18i and 18 5 , already in place.
- the steps 30A 2 , 30B 2 , 30A 3 , 30B 3 , 30A 4 and 30B 4 can then in turn be fixed to the transverse beams 18 2 , 18 3 , 18 4 in this second time.
- the plates and connecting gussets which must be carried by the longitudinal beams 20 A , 20 B may be fixed on the surface or at the bottom of the excavation 10
- the structure of the support support of the structure comprising the pyramidal pillar 22, the cap 24 and the base 26 is in turn lowered to the bottom of the excavation 10.
- it will have previously been mounted on the surface, including the turntables and gussets that he must carry.
- Once disposed on the longitudinal beams 20 A , 20 B it is fixed by bolting. It then extends in the search 10 from the bottom to the surface.
- This step can be the subject of a final verification of the correct positioning of all the deck members 16 and support assembly 22, 24, 26.
- each step is sealed in the soil 12 with a mixture of grout type mortar, mortar or concrete.
- This mixture is poured into each PVC tube to fill it, through a hole in the upper part of the PVC tube and using a chute and / or flexible cannula and / or a rigid tube.
- An air outlet can also be arranged, for example in the upper part of each cover plate.
- the mixture must be sufficiently liquid to disperse throughout the interior volume of each PVC tube.
- a second layer of the concrete concrete slab 14 is poured at the bottom of the excavation 10, for example up to mid-height of the transverse beams 18 1; 18 2 , 18 3 , 18 4 and 18 5 .
- the poured concrete can then be vibrated to evacuate the air taking care to avoid any contact with the metal elements in place of the foundation not to disrupt their positioning.
- the soil evacuated to dig dig 10 at step 204 is reintroduced in layers.
- successive embankments to the surface For example, a first layer of about 15 to 40 cm thick is introduced and compacted, avoiding air pockets and covering areas difficult to access.
- the following layers can then be introduced successively in thicknesses of 40 cm. Note that it is possible to stop first just below the frame joints between lower levels 36 and upper 38 of the pyramidal pillar 22. At this stage, it is still possible to dismantle the foundation elements not yet buried. It is also possible to stop a second time just under the cap 24 to, likewise, make some final adjustments of the base 26.
- a concrete chimney can be constructed to form the cap 24 and the base 26 to the surface.
- the embankment can then be finalized by forming a mound of earth around the chimney to prevent soil decompression.
- the invention is not limited to the embodiment described above.
- the example described provides lateral struts extending in two side walls of the excavation dug, but nothing prevents to provide redans, in replacement or complement, in other walls of the excavation.
- the excavation 10 illustrated in FIGS. 1 and 2 is presented as a rectangular footprint on the ground, which is only a non-limiting example of the excavation form for a foundation.
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1851082A FR3077830B1 (fr) | 2018-02-09 | 2018-02-09 | Fondation d'appui ponctuel de structure et procede de construction d'une telle fondation |
| PCT/FR2019/050231 WO2019155148A1 (fr) | 2018-02-09 | 2019-02-01 | Fondation d'appui ponctuel de structure et procede de construction d'une telle fondation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3749810A1 true EP3749810A1 (fr) | 2020-12-16 |
| EP3749810B1 EP3749810B1 (fr) | 2022-11-30 |
Family
ID=62017518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19707443.8A Active EP3749810B1 (fr) | 2018-02-09 | 2019-02-01 | Fondation d'appui ponctuel de structure et procédé de construction d'une telle fondation |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3749810B1 (fr) |
| FR (1) | FR3077830B1 (fr) |
| WO (1) | WO2019155148A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1295610A (fr) * | 1961-04-28 | 1962-06-08 | Ancrage des poteaux au sol | |
| DE3442912A1 (de) * | 1984-11-24 | 1986-06-05 | Eggeling, Ernst, 4600 Dortmund | Verfahren zur herstellung eines koecherfundamentes |
| FI20096165L (fi) * | 2009-11-10 | 2011-05-11 | Peikko Group Oy | Sovitelma mastomaisten rakenteiden perustuksen yhteydessä |
-
2018
- 2018-02-09 FR FR1851082A patent/FR3077830B1/fr not_active Expired - Fee Related
-
2019
- 2019-02-01 WO PCT/FR2019/050231 patent/WO2019155148A1/fr not_active Ceased
- 2019-02-01 EP EP19707443.8A patent/EP3749810B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019155148A1 (fr) | 2019-08-15 |
| FR3077830B1 (fr) | 2022-08-12 |
| FR3077830A1 (fr) | 2019-08-16 |
| EP3749810B1 (fr) | 2022-11-30 |
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