EP3320149A1 - Insert de moulage et bloc de parement avec un tel insert - Google Patents
Insert de moulage et bloc de parement avec un tel insertInfo
- Publication number
- EP3320149A1 EP3320149A1 EP16744806.7A EP16744806A EP3320149A1 EP 3320149 A1 EP3320149 A1 EP 3320149A1 EP 16744806 A EP16744806 A EP 16744806A EP 3320149 A1 EP3320149 A1 EP 3320149A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shell
- core
- facing
- molding
- insert according
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 48
- 230000002787 reinforcement Effects 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000011258 core-shell material Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000012815 thermoplastic material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004873 anchoring Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000009417 prefabrication Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
Definitions
- the present invention relates to civil engineering works of reinforced soil type, for example an embankment, a dike, a gravity dam, a retaining wall, a basin-embankment fluid retention, a bridge abutment, etc ...
- This type of structure usually comprises a cladding and embankment in which reinforcement reinforcements connected to the cladding are installed.
- the present invention relates in particular to facing elements, often in the form of prefabricated concrete blocks, their constitution and the method of obtaining such facing blocks.
- a plastic molding insert is placed in a mold intended for the manufacture of a facing block, and concrete is then poured in liquid form into the volume intended for the facing block, a part of the concrete occupying a space corresponding to the anchor core provided to retain the embankment reinforcement, but without occupying a cavity reserved for the passage of the embankment reinforcement.
- this molding insert plays a sealing role, and prevents liquid concrete from arriving in the cavity that will be traversed by the reinforcing reinforcement once it is installed. The contact between the concrete and the reinforcement could cause premature degradation of it. In some other cases, this molding insert also plays a sealing role in the finished work.
- a molding insert configured to be inserted into a mold for manufacturing a concrete facing block intended for a structure in reinforced soil, said reinforced soil structure comprising a facing formed by such cladding blocks and a backfill in which are installed reinforcements, preferably in the form of strips, connected to the facing, the molding insert comprising:
- a shell delimiting a general volume of a connection connecting an armature to the facing block, said general volume being opened while flaring towards a reference plane P,
- the shell having a first lateral face pierced with a first orifice in which is fitted a first end portion of the core envelope,
- the core casing has a generally frustoconical shape.
- the shell has a second side face pierced with a second orifice in which is fitted a second end portion of the core casing; advantageously, during assembly, it is possible to obtain a simultaneous jamming of the core casing respectively in the two lateral faces of the shell;
- the interlocking is done without substantial clearance, benefiting from a wedge effect of the frustoconical shape of the core envelope, this at the level of the first end portion and the second end portion; a sufficiently closed interface is thus obtained between the two parts to prevent casting concrete from entering the cavity intended to receive an armature;
- the taper al of the envelope of the core is between 1 degree and 10 degrees; the difference in size between the narrow side and the wider side of the truncated cone shape remains small, the strength of the nucleus to obtain is therefore little dissymmetrical; furthermore before effective use several core envelopes can be stacked forming a compact stack and their transport is easy;
- the second orifice is larger than the first orifice; advantageously, during assembly, it is possible to thread the core casing easily through the second hole with a comfortable game,
- the first orifice has a shape corresponding to the shape of the first end portion and the second orifice has a shape corresponding to the shape of the second end portion; a closed continuous interface is thus obtained both on the periphery of the first orifice and on the periphery of the second orifice.
- the shape of the second end can be obtained by homothety from the first end; so that the core shell forms an exact cone frustum, without singularity of shape, which provides satisfactory strength to the anchoring core obtained later;
- the two orifices have similar shapes and the ratio of their size corresponds to the ratio of the sections of the first and second end portions; whereby a homogeneous wedging is achieved which occurs at the same time at the first orifice and the second orifice, thus obtaining a basic 'natural' seal between the core shell and the shell;
- the shell is obtained by molding in one piece; which is made possible by the flared shape of the hull; alternatively, the shell can be obtained in two parts, that is to say with a body and a lid;
- the shell and the core casing are molded in injectable thermoplastic material, of polyethylene, polyolefin or polypropylene type; thus advantageously used a cheap material and easy implementation;
- the shell and the core casing have sufficient flexibility to deform at the interface between the core casing and the holes of the shell, preferably with a wall thickness of between 0.5mm and 2 mm; this flexibility makes it possible to form a continuous docking seal all around the orifices, which makes it possible to obtain a satisfactory seal for the most usual configurations;
- a specific weld joint can be formed at the interface between the core shell and the shell; which makes it possible to obtain a high degree of tightness for the molding insert and thus for the final work;
- the shell can dock on a rear sealing membrane of the block, by means of a border arranged in the reference plane P; it is thus possible to achieve a complete seal on the entire rear face of the facing block, including in the attachment zone of the armature;
- the reference section of the conical core envelope is an ovoid shape; which turns out to be an optimized form in terms of the tensile strength exerted by the reinforcement and for easy threading of the reinforcement and protection of the reinforcement;
- the respective centers of the first and second orifices have positions offset in distance with respect to the reference plane P, so that the axis of the envelope of the core W has an inclination OL2 with respect to the reference plane. So that we obtain a length of travel of the same frame over the width of the frame, and that we avoid creating a voltage imbalance between one side and the other of the band of the frame ;
- the invention also provides a method for producing a molding insert:
- the core casing obtained by molding distinctly from the shell, the core casing having a generally frustoconical shape
- FIG. 1 is a diagrammatic sectional view of a civil engineering work in which the invention is put into practice
- FIG. 2 shows a detailed sectional view of the connection of a frame at the back of the facing
- FIG. 3 is an exploded perspective diagram of the molding insert used according to the invention.
- FIG. 4 is a detailed sectional view of the connection of a frame at the back of the facing, along the section line IV in Figure 2 and 5;
- FIG. 5 is a detailed sectional view of the connection of a frame at the back of the facing, along the section line V in Figure 4;
- FIG. 6 is a view similar to Figure 4 according to an alternative embodiment
- FIG. 7 shows several core envelopes stacked in each other
- FIG. 8 shows several shells stacked in each other
- Figure 9 is a view similar to Figure 4 according to an alternative embodiment
- FIG. 10 is a view similar to Figure 4 according to another embodiment
- FIG. 11A illustrates the molding operation of the prefabricated facing block with the molding inserts in the upper position
- Figure 11B is similar to Figure 10 with the molding inserts in the lower position and a sealing membrane;
- FIG. 12 is an exploded perspective view of the molding insert used according to the invention.
- a civil engineering structure according to the invention may be a dam, a dike, a fluid retention structure, a canal bank, a construction intended to widen or enhance an existing structure, an embankment circumscribed by a siding, an abutment or more generally any other civil engineering work.
- FIG. 1 represents a civil engineering work 90 according to the invention, comprising:
- a facing 9 extending from a foundation which, in the example shown, is the floor 91
- the reinforcements 3 play a role of mechanical stabilization of the embankment 92 and ensure the structural cohesion between the embankment 92 and the facing 9, as known per se.
- the facing 9 is substantially vertical as illustrated in Figure 1 (in the direction marked 'Z'), and comprises a front surface 95 substantially coincides with the outer face of the structure and a rear surface 96 located opposite the the front surface 95 and adjacent to the embankment 7.
- the cladding In a cartesian coordinate system, the cladding generally extends in a plane YZ with a normal along the X axis which is perpendicular to the plane.
- a reference plane P is defined at the rear surface 96 of the facing.
- the facing 9 is a concrete wall, the wall preferably being made in a modular manner, as illustrated in FIG. that is to say by the superposition of prefabricated concrete plates 4 ('facing blocks' 4) which are assembled on the site of the structure during its construction. Because of their weight and size, the facing blocks are preferably manufactured in the immediate vicinity of the work site.
- the facing 9 can be inclined and that the front face can be vegetated.
- the space vis-à-vis the front face may be in the open air or filled with a liquid to retain.
- the embankment 7 of the structure may be with earth and / or stony aggregates, these materials being roll compacted by strata.
- the embankment 7 contributes by its weight to the stability of the civil engineering work 90 in question.
- the embankment 7 is made by installing successive layers from the ground or foundation 91 to the upper end of the structure. Between each layer, there is a plurality of reinforcement frames 3 substantially in a horizontal plane over the entire surface. It is possible to arrange the armatures 3 at a distance from each other along Y and parallel to each other, in this case they extend from the rear of the facing substantially in the direction X. According to another configuration, the armatures 3 can be extend obliquely with respect to the X direction (see below and Fig. 4 and 6).
- reinforcements 3 are included in the embankment 7, so is formed what is called a "reinforced soil”.
- the reinforcements 3 are made in the form of reinforcement strips of synthetic fabric or plastic material, also known as "geotextile web", a known example is given in document EP2247797.
- Each reinforcing strip typically has a generally rectangular section with a width of 3 to 10 cm, typically 5 cm, and a thickness of between 2 and 6 mm, typically 4 mm; moreover, the armature extends over a relatively long length in its so-called longitudinal direction X ', namely several meters or even several tens of meters.
- the armature works essentially in traction along its longitudinal direction, for which it has a good resistance.
- the armature can bend in the direction perpendicular to its plane, so as to form a loop around the anchor core. Twisting around the longitudinal axis is also possible.
- the armature 3 is installed in a given horizontal plane forming zigzags, that is to say, it enters and leaves in the facing block at the attachment zone along X 'with a certain angle vis-à-vis the normal direction X.
- each of the plates 4 of the facing comprises at least one attachment zone 5 for receiving and anchoring a reinforcement 3.
- This attachment zone 5 comprises a cavity 50 forming a recess inside said plate 4, and opening on the rear surface 96 of the facing 9.
- the cavity 50 opens only on the rear surface 96.
- the cavity is traversed by an anchoring core 6 extending along the Y axis, anchoring core around which the frame 3 passes and is held there.
- the anchoring core 6 delimits and separates an upper mouth 51 and a lower mouth 52 from the cavity 50.
- the facing blocks have a general thickness (according to X) denoted Dl (typically in the range [10cm-50cm]) and that the depth of the cavity from the back of the facing is marked D2, D2 can be typically comprised between 1/5 and 3/5 of Dl.
- FIG. 11A illustrates the step of prefabrication of the cladding blocks.
- mold 47 of generally parallelepipedal shape in the example illustrated, is placed inside the molding form one or more molding inserts 8 by which are formed the aforementioned attachment zones 5.
- the molding insert 8 consists of a shell 1 and a core shell 2.
- core shell and shell are obtained by molding, independently of one another, most often on a site remote from the site where they will be assembled for implementation. Then, on the prefabrication site of the facing blocks, a core envelope is assembled in a shell to form a molding insert 8 which is placed in the mold 47.
- the shell 1 delimits a general volume of the connection linking an armature 3 to the facing block, said general volume s' opening flaring towards the reference plane P, in other words this volume forms a flared bowl open towards the mouth 51,52 outwards.
- the core casing is intended to delimit the volume of the aforementioned concrete anchoring core 6.
- the core casing 2 advantageously has a general shape of truncated cone centered on the axis noted W, conicity whose utility will be seen below.
- the generating base of this truncated cone shape is in the illustrated example an ellipse, but of course any other shape could be suitable.
- the core shell 2 is a simple thin-walled tubular shape with a vacuum inside and both ends open. But, by virtue of the general shape of the truncated cone, it is noted that the first end portion 21 of the core casing has dimensions a little smaller than those of the second end portion 22.
- the shell 1 comprises a first lateral face 15 pierced with a first orifice 11, a second lateral face 16 pierced with a second orifice 12, and two other so-called longitudinal faces 13, 14 which meet continuously in the bottom zone 83. of the shell (bottom zone 83 intended to form the bottom of the cavity).
- the lateral faces 15, 16 are not parallel, the bottom is narrower and an opening angle (respectively designated ⁇ 1 and ⁇ 2) is provided which gives a general flare of the shell towards the main opening, which is intended to be arranged in the vicinity of the abovementioned reference plane P.
- the longitudinal faces 13, 14 diverge outwards (with an angle denoted ⁇ , see Fig. 5) and contribute to the general flaring of the shell.
- the core envelopes 2, too, can be stacked one inside the other like this is shown in Figure 7.
- Such an assembly 2E is very compact, the distance difference between two adjacent stacked envelopes may be less than a quarter of the axial length L2 of the core casing (see Fig. 3).
- the core casing 2 is threaded with its end portion of the smallest dimension forward of the movement (as illustrated in FIG. 3) through the second opening 12 of the hull through the first opening 11 of the hull 1.
- the first end portion 21 is nested within the first opening 11 of the core shell, and the second end portion 22 is nested in the second opening 12 of the core shell.
- the interlocking is preferably without play so that the interface between the first end portion and the first orifice 11 forms a continuous closed seal; to this end, it can provide a flexibility of the material that helps to make up a possible manufacturing dispersion.
- the interlocking is preferably without play.
- a taper al is provided between 1 ° and 10 °, preferably close to 5 °.
- the core shell 2 forms an exact cone of the cone, that is to say that the first elliptical end portion is homothetic with the second end portion.
- the ratio of the size of the first and second ports (11,12) corresponds to the ratio of the sections of the first and second end portions (21,22), which guarantees a simultaneous placement at the two orifices. during the insertion movement.
- the axial ends of the core envelope are truncated, each following a section cut along the planes P1 'and P2' , neighbors and outwardly offset with respect to the planes P1 and P2 in which respectively extend the first side face 15 and the second side face 16.
- the axis W is parallel to the reference plane P, that is to say that the point W1 where the plane Pl and the axis W intersect and the point W2 where the plane P2 intersects and the axis W are at the same distance from the reference plane P.
- the axis W is not parallel to the reference plane P, it deviates from an angle ⁇ x2. More precisely, the point W1 where the plane Pl and the axis W intersect is further from the reference plane than the point W2 where the plane P2 intersects the axis W.
- the reinforcing strip 3 loops 'flat' on the rear of the anchor core 6 and therefore each side of the strip travels the same distance in the attachment zone 5 inside the cladding. This avoids creating an imbalance that could increase the stresses on one side of the reinforcement strip 3.
- notches which act as clipping, and which provide sensory feedback for the operator who proceeds to the insertion of the core shell in the shell.
- alignment marks can be provided on the shell 1R and on the shell 2R, which allow the operator to correctly orient the core shell around its axis W during the insertion operation. (see Fig 12).
- a minimum filling mark 49 of the mold corresponding to a level marked PR0 in Figure 4, a minimum level which ensures sufficient anchor tensile strength.
- the molding insert 8 is embedded in the concrete is an integral part of the cladding block 4 completed ready for use on the facing.
- sealing membrane 19 which may be made of plastic for example high density polyethylene (HDPE) or another thermoplastic polymer.
- HDPE high density polyethylene
- This waterproofing membrane 19 (or “sealing plate”) is adjacent to the rear surface 96 of the actual concrete facing.
- This sealing membrane 19 is welded to the edge 10 of the shell by a thermo weld bead 17.
- seal 17 between the waterproofing membrane 19 and the edge 10 of the shell can be made by gluing or heat sealing or any other means known in the art.
- the waterproofing membrane 19 is preferably already installed on the facing block before it is installed on the structure.
- the method for assembling the civil engineering work 90 according to the invention is not described in detail here because known per se. We proceed by strata by installing the material of embankment to a level where attachment zones are provided; then cup with a compactor; then we install the frames; then we begin again for the next layer and so on to the top of the work.
- the siding can also be erected in layers at the same time as the embankment and reinforcement, or it can be erected beforehand in advance of phase.
- the shell and the core casing 2 are molded in injectable thermoplastic material, of the polyethylene, polyolefin, polypropylene or other equivalent material type.
- the wall thickness will typically be between 0.5mm and 2mm.
- the shell is formed in two parts, namely a body 28 which includes the first port and a cover 29 which includes the second port.
- Core of the envelope may for example be inserted into the body 28 and insert ⁇ above the cover 29 which interfaces with both the body and the core shell from the inside as shown in Figure 10.
- the lid and the body could be articulated at a level of hinge and provided for the lid to close towards the final position shown.
- the shell would be obtained by a single molding operation.
- FIG 12 are shown on the one hand the joint plane PJ demolding the shell and on the other hand an ovoid shape for the anchor core.
- This particularly optimized ovoid shape is described in detail in US8790045; it is noted that the rear half is very close to a hemi-cylindrical shape which favors a uniform radius of curvature for the reinforcement in its loop 33 around the core, the front half is more elliptical which allows to have the mouths very open upper and lower to favor all armature entry and exit configurations.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological 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)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Revetment (AREA)
- Bridges Or Land Bridges (AREA)
- Joining Of Building Structures In Genera (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Foundations (AREA)
- Retaining Walls (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16744806T PL3320149T3 (pl) | 2015-07-07 | 2016-07-05 | Wkładka do formowania i blok okładzinowy z taką wkładką |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1556425A FR3025815B1 (fr) | 2015-07-07 | 2015-07-07 | Insert de moulage et bloc de parement avec un tel insert |
PCT/FR2016/051698 WO2017006043A1 (fr) | 2015-07-07 | 2016-07-05 | Insert de moulage et bloc de parement avec un tel insert |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3320149A1 true EP3320149A1 (fr) | 2018-05-16 |
EP3320149B1 EP3320149B1 (fr) | 2019-05-01 |
Family
ID=54186138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16744806.7A Active EP3320149B1 (fr) | 2015-07-07 | 2016-07-05 | Insert de moulage et bloc de parement avec un tel insert |
Country Status (17)
Country | Link |
---|---|
US (1) | US10501907B2 (fr) |
EP (1) | EP3320149B1 (fr) |
JP (1) | JP6731040B2 (fr) |
KR (1) | KR102542256B1 (fr) |
CN (1) | CN107949675B (fr) |
AR (1) | AR105271A1 (fr) |
AU (1) | AU2016290010B2 (fr) |
CA (1) | CA2991429C (fr) |
CL (1) | CL2018000055A1 (fr) |
FR (1) | FR3025815B1 (fr) |
MX (1) | MX2018000145A (fr) |
MY (1) | MY189364A (fr) |
PE (1) | PE20180319A1 (fr) |
PL (1) | PL3320149T3 (fr) |
RU (1) | RU2708752C2 (fr) |
WO (1) | WO2017006043A1 (fr) |
ZA (1) | ZA201800106B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10428486B2 (en) * | 2015-03-09 | 2019-10-01 | Officine Maccaferri S.P.A. | Anchoring member for facing elements for use in stabilised earth structures, former and procedure for the fabrication of such a facing element |
NZ759839A (en) * | 2017-06-26 | 2021-12-24 | Armour Wall Group Pty Ltd | Top-to-bottom construction system |
WO2019077382A1 (fr) * | 2017-10-18 | 2019-04-25 | Terre Armee Internationale | Élément de coulage réutilisable destiné à un élément de parement et procédé de fabrication d'un élément de parement mettant en œuvre ledit élément de coulage réutilisable |
US20220220691A1 (en) * | 2021-01-08 | 2022-07-14 | Earth Wall Products, Llc | Mechanically stabilized earth (mse) retaining wall employing geosynthetic strip with plastic pipe(s) around steel rod |
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DE2753243A1 (de) * | 1977-11-29 | 1979-06-07 | Bayer Ag | Bewehrung von armierten erdbauwerken |
SU1303672A1 (ru) * | 1985-12-24 | 1987-04-15 | Проектный И Научно-Исследовательский Институт "Харьковский Промстройниипроект" | Подпорна стенка |
CA2182430A1 (fr) * | 1995-08-18 | 1997-02-19 | Michael Joseph Cowell | Element de parement pour structure en terre stabilisee |
GB9720632D0 (en) | 1997-09-29 | 1997-11-26 | Price Douglas P | Soil reinforcement |
US6854231B2 (en) * | 2001-07-12 | 2005-02-15 | Keystone Retaining Wall Systems, Inc. | Multi-channel retaining wall block and system |
US7850400B2 (en) * | 2004-11-25 | 2010-12-14 | Freyssinet International (Stup) | Stabilized soil structure and facing elements for its construction |
RU2276230C1 (ru) * | 2004-12-08 | 2006-05-10 | Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" (ОАО ЦНИИС) | Дорожная насыпь с подпорной стенкой, способ ее сооружения и железобетонный блок для сооружения подпорной стенки |
JP5160909B2 (ja) * | 2008-01-21 | 2013-03-13 | ヒロセ株式会社 | 壁面ブロック及びそれを用いた擁壁構造 |
FR2922234B1 (fr) | 2008-03-04 | 2017-12-22 | Terre Armee Int | Bande de stabilisation souple destinee a etre utilisee dans des ouvrages en sol renforce |
CN201321618Y (zh) * | 2008-12-23 | 2009-10-07 | 中铁二院工程集团有限责任公司 | 一种悬臂式挡土墙加筋复合构造 |
ES2453473T3 (es) * | 2010-03-25 | 2014-04-07 | Terre Armée Internationale | Obra en suelo reforzado |
EP2372027B1 (fr) | 2010-04-02 | 2012-11-14 | Terre Armée Internationale | Élément frontal pour utilisation dans une structure de sol stabilisée |
FR2959761B1 (fr) | 2010-05-07 | 2013-06-28 | Terre Armee Int | Etancheite continue pour ouvrage de genie civil |
KR200453027Y1 (ko) | 2010-10-28 | 2011-03-31 | (주)동진건설산업 | 띠형 섬유 보강재의 연결이 용이한 옹벽 축조용 블록 |
KR20150005969A (ko) * | 2012-05-14 | 2015-01-15 | 파우에스엘 인터나치오날 아게 | 옹벽 |
KR101528238B1 (ko) | 2014-12-11 | 2015-06-11 | 주식회사 한포스 | 보강토 옹벽용 띠형 섬유보강재의 시공방법 |
KR20160133952A (ko) * | 2015-05-14 | 2016-11-23 | 주식회사 한포스 | 보강재 삽입구가 내장된 옹벽 페이싱 부재 |
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US10501907B2 (en) | 2019-12-10 |
AR105271A1 (es) | 2017-09-20 |
CL2018000055A1 (es) | 2018-05-11 |
RU2708752C2 (ru) | 2019-12-11 |
FR3025815B1 (fr) | 2016-12-30 |
US20180195251A1 (en) | 2018-07-12 |
KR20180029056A (ko) | 2018-03-19 |
JP6731040B2 (ja) | 2020-07-29 |
WO2017006043A1 (fr) | 2017-01-12 |
JP2018520282A (ja) | 2018-07-26 |
PL3320149T3 (pl) | 2020-03-31 |
AU2016290010A1 (en) | 2018-02-22 |
CA2991429C (fr) | 2023-09-26 |
AU2016290010B2 (en) | 2021-01-28 |
CA2991429A1 (fr) | 2017-01-12 |
FR3025815A1 (fr) | 2016-03-18 |
KR102542256B1 (ko) | 2023-06-12 |
MX2018000145A (es) | 2018-02-19 |
RU2018104386A3 (fr) | 2019-10-22 |
ZA201800106B (en) | 2019-04-24 |
PE20180319A1 (es) | 2018-02-09 |
CN107949675B (zh) | 2021-01-08 |
EP3320149B1 (fr) | 2019-05-01 |
CN107949675A (zh) | 2018-04-20 |
RU2018104386A (ru) | 2019-08-07 |
MY189364A (en) | 2022-02-07 |
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