Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
  • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
  • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
  • E04B2/84—Walls made by casting, pouring, or tamping in situ
  • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
  • E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms
  • E04B2/8641—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms using dovetail-type connections
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
  • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
  • E04C5/162—Connectors or means for connecting parts for reinforcements
  • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
  • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
  • E04G17/047—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements simultaneously tying two facing forms
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
  • E04G21/14—Conveying or assembling building elements
  • E04G21/16—Tools or apparatus
  • E04G21/18—Adjusting tools; Templates
  • E04G21/1841—Means for positioning building parts or elements
  • E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
  • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
  • E04G17/12—Tying means; Spacers ; Devices for extracting or inserting wall ties with arms engaging the forms

Definitions

• the invention falls within the field of building and construction.
• the present invention aims to provide improvements to the construction of various walls by means of an adjustable connecting device to the effect of composing with the same element, shuttering blocks or shuttering blocks, in a choice of several widths, while reducing the weight of the blocks thus constituted as much as their transport volume for concrete blocks of mineral aggregate and, for this concerns foam shuttering blocks, to extend the possibilities of choice of widths of the part reserved for the filling material, be it concrete or other material.
• blocks of aggregates of the "block to form” type which are molded in a single piece and which have at least one vertical cell closed on its four lateral faces by the outer side walls of the block and the internal spacers connecting said walls.
• Blocks of this type have interlocking devices facilitating their vertical and / or horizontal alignments.
• the existing shuttering blocks are generally available in a limited choice of manufacturing widths: 20, 25, 27 or 30 cm. These blocks can be assembled at least by longitudinal interlocking and then by superposition, with or without vertical interlocking depending on the models and manufacturers.
• the spacers connecting the two outer faces of the shuttering blocks are designed to receive horizontal bars at regular spacing.
• the shuttering blocks are almost all made of mineral aggregate concrete while their use could be relevant for walls made of plant fiber concrete, in particular, if they were produced in this material which allows a lightening of the block itself but also better thermal insulation.
• the mass and the volume of the spacers hinders a good distribution of the filling material, even with concrete of which the density is high, and even more so with a filling material of much lower density.
• the weight of the blocks to be shuttered in widths of 20 to 30 cm is not insignificant, 20 to 24 kg and constitutes a factor of difficulty in handling for the operator responsible for their implementation.
• polystyrene blocks for the most part, of the "shuttering block” type which are molded either in one piece with their spacers integrated into the molding, whether they are themselves in the same material that the walls of the block or in another material, metallic for example, be molded in 2 face pieces (facing walls) which will then be joined by a spacer, in material of plastic type in general, to form the block shuttering.
• the block In the case where the block is molded all at once with spacers of the same material, it has, apart from the material itself and its insulating qualities, the same faults as the concrete blocks of aggregates.
• spacers available on the market and sold independently of blocks are essentially intended for light blocks of foam, polystyrene and other foams, little for wood, but not for concrete-type mineral aggregate products and are of non-adjustable widths.
• the object of the invention is to provide an adjustable connecting device forming a spacer for shuttering blocks or shuttering blocks, in a choice of several widths while reducing the weight blocks thus formed as much as their transport volume as regards concrete aggregate blocks and, as regards shuttering blocks, greater widths of the part reserved for the filling material, in particular concrete.
• the invention relates to an adjustable device for connecting two walls to form a block, comprising two elements each provided with assembly means between them, which assembly means comprise projecting notches and openings through, which two elements each comprise a locking device of the type by resilient engagement formed at at least one of the notches of the element considered, which elements are able to be assembled and locked together facing each other. screw removably by interlocking at least one of the protruding notches provided with the locking device of one of the elements in one of the openings of the other element, and by concomitant elastic engagement of the locking device in said opening, to constitute a spacer extending along a longitudinal axis and which is adjustable in length.
• the device can also include the following optional characteristics considered in isolation or according to all the possible technical combinations:
• Each element comprises at least one interlocking device intended to be inserted into the wall in question.
• Each element comprises at least a first ridge called the upper horizontal ridge in which at least a first notch is formed.
• the adjustable device comprises a second ridge called the interior oblique vertical ridge in which at least one second notch forming a lug is formed.
• the locking device is provided at the level of the projecting notch arranged at a free end of each element and comprises two elastic members arranged on either side of the end notch considered, the cumulative width of the end notch and of the two elastic members being equal to the width of the other protruding notches of the element considered, the elastic members of one of the elements being able to be engaged elastically and removably in one of the through openings of the other element of said element adjustable device.
• the through openings and the projecting notches are alternately arranged along one face of the element in question.
• the through openings are of the same shape and substantially the same width as the projecting notches.
• the notches protrude perpendicularly from the face of the element in question.
• the element has a square shape and comprises a so-called vertical lower part intended to be connected to the corresponding wall, and a so-called horizontal upper part of connection to the other element on which the protruding notches and the through openings are formed. .
• the vertical part of the element is provided with a foot partially terminated by a stop plate which is arranged to limit the length of engagement in the wall, and in that the vertical part ends with a protruding part arranged to come to rest against the wall of the adjacent block located under the block comprising said adjustable device.
• the lower vertical part of the element comprises a so-called vertical song intended to come opposite the wall in question, which vertical edge comprises a return profile positioned perpendicular to said vertical edge, and in that this profile s' extends along the vertical bottom part to the full height of the element.
• the element interlocking device forms a sliding male interlocking device and comprises the return profile secured to the vertical edge of the vertical part, as well as a thickness reinforcement arranged in the corner junction between the vertical edge and the return profile, which reinforcement extends over the entire length of the vertical lower part from the stop plate.
• the invention also relates to a block comprising two facing walls in which is inserted at least one adjustable device for connecting two walls as described above, the two elements of the adjustable device being assembled and locked together. removably facing each other by interlocking at least one of the protruding notches provided with the locking device of one of the elements in one of the openings of the other element, and by concomitant elastic engagement of the locking device in said opening, to constitute the spacer extending along a longitudinal axis and which is adjustable in length.
• the male sliding interlocking device of the adjustable device is inserted by sliding into a T-slot formed in the wall of the block in question and forming a female interlocking device.
• Each element has, in a direction parallel to the wall, a height less than a height of said wall.
• the invention relates to a wall comprising a plurality of blocks in which at least one of the blocks is a block as described above.
• Figure 1 is a side view illustrating a face of an element of the adjustable device of the invention
• Figure 2 is a side view illustrating an opposite face of the element of Figure 1;
• Figure 3 shows a top view of two elements facing each other prior to their assembly in a first assembly position
• Figure 4 shows a side view of the two elements of Figure 3 assembled together in the first assembly position
• Figure 5 shows a top view of two elements facing each other prior to their assembly in a second assembly position
• Figure 6 shows a side view of the two elements of Figure 5 assembled together in the second assembly position
• Figure 7 shows a top view of two elements facing each other prior to their assembly in a third assembly position
• Figure 8 shows a side view of the two elements of Figure 7 assembled together in the third assembly position
• Figure 9 shows a top view of two elements facing each other prior to their assembly in a fourth assembly position
• Figure 10 shows a side view of the two elements of Figure 9 assembled together in the fourth assembly position
• Figure 11 shows a top view of two elements facing each other prior to their assembly in a fifth assembly position
• Figure 12 shows a side view of the two elements of Figure 11 assembled together in the fifth assembly position
• Figure 13 shows a top view of a detail of the locking device disposed on each side of an end notch of the element of Figure 1;
• Figure 14 is a top view illustrating a detail of a device for interlocking in a wall of the element of Figure 1;
• FIG. 15 is a top view illustrating a detail of a fitting groove formed in a wall
• Figure 16 shows a side view of the adjustable device of the invention, in which the elements are in their second assembly position. ;
• FIG. 17 is a side view illustrating the possibilities of positioning reinforcing bars in notches and in through openings made in the elements when the latter are in their second assembly position;
• Figure 18 is a side view illustrating other possibilities of positioning the rebars in the notches and in the through openings when the elements are in their third assembly position;
• FIG. 19 is a side view illustrating other possibilities for positioning the reinforcing bars in the notches and in the through openings when the elements are in their fourth assembly position
• FIG. 20 represents a side view illustrating other possibilities for positioning the reinforcing bars in the notches and in the through openings when the elements are in their fifth assembly position
• FIG. 21 represents a top view of the adjustable device of FIG. 16.
• the adjustable device 25 forms a spacer extending along a longitudinal axis X ( Figure 16) and which is adjustable in length.
• This adjustable spacer 25 is provided to be arranged between two walls 20 facing each other so as to form a shuttering block 26, which walls 20 then form the side walls of said block.
• the adjustable device 25 is composed of two simple elements 1 arranged opposite each other and which are arranged to interlock with each other, to constitute the adjustable spacer 25 to offer the possibility of adjusting the spacing of the two walls 20 of the shuttering block 26 to be composed in different widths similar to those existing on the shuttering block market: 20, 25 and 27.5 cm in particular, and even up to 30 cm.
• the material of the elements 1 of the adjustable spacer 25, preferably of plastic type material, is much lighter than the material of the walls of the concrete block of aggregates and thus significantly reduces the weight of this block during the implementation of the invention.
• the shuttering blocks 26 which are produced in a height of 20 cm, for example, will be significantly reduced in weight of the struts traditionally made of concrete.
• This weight saving can also make it possible to produce higher walls 20, 25 cm for example, which once assembled, will form a block 26 of a weight slightly less than the known block of height in 20 cm with its spacers in concrete, which will be a productivity gain by having to lay only 8 blocks per meter - square, 50 cm long for example, instead of 10 known blocks with concrete spacers.
• Each spacer 25 therefore comprises two interlocking devices 23 formed at its respective ends.
• a single wall 20 can be mounted on the one of the ends of each spacer 25, thus leaving free the opposite end of each spacer 25 to pass and tie these reinforcements 22.
• the second wall 20 of the shuttering block 26 can be put in place after this task.
• the term vertical will be associated with the orientation of the side walls of the block 26 when the latter is arranged to form a wall.
• the side walls 20 of the block 26 extend along a vertical axis.
• the assembly of the second wall 20 can be done in a second step, after the first wall 20 equipped with spacers 25 has been put in place.
• the blocks 26 being delivered disassembled in walls 20 and elements 1 at each delivery stage, the transport volume is very significantly reduced with regard to concrete blocks of aggregates in particular and the palletization is optimized.
• the advantage is that there is only one part to be manufactured to form the spacers 25, with multiple widths, as much as for the walls 20 of the block 26 where a single part can be manufactured, the elements 1 of the adjustable device 25 having no interlocking direction in the walls 20.
• the molds can thus produce 2 to 3 times more equivalent square meter / blocks in a single press operation and the storage volume on park is reduced in proportions slightly greater than those of the production set out above for traditional blocks comprising non-removable spacers.
• the adjustable device 25 for connecting two walls 20 facing a block 26 may be composed of two identical elements 1, arranged in vis-à-vis and which are arranged to mutually fit into each other to form a spacer 25 adjustable along its longitudinal axis X to vary the width of the considered block 26.
• Each element 1 has the general shape of a square and comprises a so-called vertical lower part 13 which is intended to be connected to the corresponding wall 20, and a so-called horizontal upper part 12 for connection to the other element 1.
• each element 1 comprises projecting notches 2, 3 and through openings called window 4, which two elements 1 are removably assembled together by interlocking at least one of the notches projecting 2, 3 of one of the elements 1 in the opening considered 4 of the other element 1 to constitute the length-adjustable spacer 25.
• Figures 3 to 12 illustrate in particular different assembly positions of the elements 1 between them to form the spacer 25. More precisely:
• Figures 3 and 4 show a first assembly position in which all the notches 2, 3 of one of the elements 1 are engaged in all of the openings 4 of the other element;
• Figures 5 and 6 show a second assembly position in which an opening 4 of each element 1 remains free, that is to say not occupied by a notch 2, 3;
• Figures 7 and 8 show a third assembly position in which two openings 4 remain free
• Figures 9 and 10 show a fourth assembly position in which three openings 4 remain free
• Figures 1 1 and 12 show a fifth assembly position in which four openings 4 remain free.
• the spacer thus has a length depending on the assembly position, and the more the number of openings 4 remaining free of each element 1 is Importantly, the longer the spacer 25.
• the notches 2, 3 and through openings 4 will also be detailed later in the description.
• Each element 1 comprises a locking device 5 of the type by elastic engagement of the elements 1 together, which locking device 5 is provided at one of the notches 3 of the element in question, and preferably at the level of the end notch 3.
• each element 1 comprises at least a first edge called upper horizontal edge 8 formed by the upper edge of the horizontal part 12 and in which is formed at least a first notch 10.
• Each element 1 comprises a second edge called Internal oblique vertical ridge 9 formed by the internal edge of the vertical part 13 and in which is provided at least a second notch 11 forming a lug 19.
• each element 1 comprises the interlocking device 23 intended to be inserted into the considered wall 20 and which will be described in detail later.
• the spacer 25, once assembled to the walls 20 of the block can constitute a natural manual grip facilitating the handling of the block.
• the shape and the section of the element 1 are reduced in order to facilitate this grip, on the one hand, and not to hinder the distribution of the filling material of the blocks, on the other hand.
• the openings 4 passing through the wall of one of the elements 1 of the adjustment device 25 not only allows the removable interlocking of the two elements 1 between them via the notches 2, 3 of the other element 1, but also allows the passage of concrete for pouring or the placement of any additional reinforcing bars through the openings 4 of an element 1 which would not be occupied by a notch 2, 3 of the adjacent element 1 .
• the notches 2, 3 and the openings 4 are arranged alternately along one face of the upper and upper horizontal part 12 to allow an interlocking assembly of two similar elements 1 of the adjustment device 25.
• the projecting notches 2, 3 can be arranged at regular spaces to correspond to the standard dimensions, in width, of the blocks to be shuttered.
• These protruding notches 2, 3 are also of the same rectangular shape and substantially the same width as the openings 4, which notches 2, 3 and openings 4 extend perpendicular to the horizontal part 12 of the element considered 1.
• the projecting notches 2, 3 protrude perpendicularly from the face of the element considered 1.
• this mutual interlocking system must be able to withstand the weight of the assembled blocks 26 without being deformed by a precise adjustment, in the shape, of a notch 2, 3 with a through opening 4.
• a locking device 5 of the elements 1 assembled together makes it possible, by simple manual pressure exerted by the operator, to fix the assembly position of said elements 1.
• the locking device 5 of the type by elastic engagement is provided at one of the notches 3 of each element 1, which notch 3 is always engaged regardless of the chosen assembly position, this locking device 5 can allow the two elements 1 to be dislodged quite easily in the event of an error in choosing the width of the spacer formed 25.
• the locking device 5 is provided at the level of the protruding notch 3 disposed at a free end of each element 1.
• the locking device 5 comprises two elastic members 27 disposed on either side of the considered end notch 3.
• the cumulative width of the end notch 3 and of the two elastic members 27 is equal to the width of the others. protruding notches 2 of element 1.
• the locking of the chosen assembly position of two elements 1 can be ensured, at least in combination with the head notch also called end notch 3, by the elastic members 27 of the locking device 5 placed on the two opposite longitudinal sides of this notch 3, actuated by simple manual pressure from the operator.
• the two elements 1 of the adjustable device 25 are therefore assembled and locked together in a removable manner by fitting at least the end notch 3 of one of the elements 1 into the opening 4 of the other element 1 in question, concomitantly with the elastic engagement of the members 27 of the locking device 5 in this same opening 4.
• each element 1 of the spacer 25 comprises an overflow of its vertical part 13, at the foot of the latter, can provide guidance with the block of the lower row which facilitates the manufacture of the walls 20 which do not need, particularly for this purpose, interlocking profiles neither on their lower edges nor on their upper edges.
• each row of blocks 26 is ensured by the spacers 25 whose respective bases protrude from the bottom edge of each wall 20, thus constituting a physical guide the correct placement of the block, as illustrated in particular in Figure 16.
• each element 1 comprises a foot 14 formed at one end of the vertical part 13, which foot 14 can be partially terminated by a stop plate 16 of the length of engagement in the wall 20, which plate 16 extends parallel to the upper part 12 of the element 1. Furthermore, the vertical part 13 ends with a protruding part 17 which extends perpendicularly to the plate 16 and which bears 18 on the wall 20 of the lower block.
• the spacer 25 formed by the assembly of two elements 1 can receive any concrete reinforcing bars 22.
• the upper edge 8 of the upper and horizontal part 12 can be provided with notches 10 and the vertical part 13 can be provided on its interior oblique vertical edge 9 with a notch 11 forming a lug 19.
• the openings 4 which are no longer blocked by a notch 2, 3 can also receive reinforcing bars, as shown in Figures 17 to 20 , without using them all, which consequently contributes to the reinforcement of the concrete.
• the spacer 25 formed by the assembly of two elements 1 must fit into the two walls 20 that they connect and maintain their spacing both during handling and when pouring the filling material.
• each element 1 comprises an edge called vertical edge 6 arranged to come to bear against the wall in question.
• This vertical edge 6 comprises a return profile 7 positioned perpendicularly to said edge 6 and extending over the entire height H1 of the element considered 1 (see in particular Figure 1).
• this return profile 7 secured to the vertical edge 6 has a T-shaped cross section, and forms part of the device by sliding interlocking 23 of the element 1 which allows easy positioning the spacer 25 formed by the two elements 1 in a T-slot 24 formed in the wall in question 20.
• This T-shaped groove 24 thus forms a female interlocking device formed in the wall 20 which is able to cooperate with the male interlocking device 23 of the element considered 1.
• the total height H1 of the element 1 must be less than the height H2 of the wall 20 and the T-slot 24 in the wall 20 must not be must not come out at the top of it, as shown in figure 16.
• the interlocking device 23 comprises a thickness reinforcement 21 which can be placed in the junction angle between the profile 7 and the vertical edge 6, as illustrated in FIG. 14.
• the male sliding interlocking device 23 of the element 1 can be formed at their perpendicular junction with, and by, the vertical edge 6, with the vertical return profile 7 and with the thickness reinforcement 21 , which extends vertically from the top of the element 1 to the stop plate 16 located at the foot 14 of the vertical part 13.
• This adjustable connecting device 25 is suitable for producing shuttering blocks 26 in general, in mineral aggregate concrete or terracotta, but also for cellular concrete blocks or any other type of concrete.
• shuttering blocks of the expanded or extruded polystyrene type of graphitized polystyrene or of other foams, of polyurethane for example.
• this adjustable connecting device 1 for panels of chips or wood particles, for walls of wooden constructions where filling with loose insulation is used, can also be adapted.
• the general embodiment of the walls is similar to the majority of works made with shuttering blocks, without it being useful to describe the various operations for producing the structural parts in reinforced concrete or wood which each fall under their professional or normative rules.
• the element 1 illustrated by Figures 1 to 3 is square-shaped and formed in one piece of: - a top horizontal flat part 12 continued by a vertical flat part 13 projecting at the top of the horizontal part 12;
• window 4 arranged alternately and at regular spaces between the projecting notches 2, 3 and substantially the same width as these;
• the protruding notches 2 can be of a size very slightly smaller than that of the window openings 4.
• Figures 4, 6, 8, 10 and 12 illustrate the different possibilities of assembly positions.
• the projecting part 17 of the foot 14 of the element 1 is particularly useful for guiding the block formed on the blocks of the lower row, as illustrated in FIG. 16.
• the realization of a maximum interlocking in width, according to Figure 12, by the two head notches 3 only of the respective elements 1, is preferably done by half by fitting the interlocking device 23 of each element 1 in the T-shaped slot 24 of each wall 20 to be assembled by the spacer 25 to be formed:
• reinforcing bars, in the notches 10 and 11 provided for this purpose or in the window openings 4 is carried out as the erection of the row of blocks progresses at least before closing the about the row or according to the length of the bars to be placed in these devices 10, 11 or 4 which can receive them.
• Figures 17 to 20 illustrate the placement possibilities of the reinforcing bars, which vary depending on the length of the spacer 25: the longer the spacer, the more there is a large number of openings 4 empty (that is to say not used by notches 2, 3), which empty openings 4 are then capable of accommodating reinforcing bars.
• the blocks can thus be composed with 4 elements 1, or 2 spacers:

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Moulds, Cores, Or Mandrels (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=68281476

Family Applications (1)

Country Status (3)

Family Cites Families (6)

• 2019
  • 2019-01-24 FR FR1900658A patent/FR3092125B1/fr active Active
• 2020
  • 2020-01-23 EP EP20701069.5A patent/EP3914789A1/de active Pending
  • 2020-01-23 WO PCT/EP2020/051660 patent/WO2020152285A1/fr unknown

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