EP3619364A1 - Foundation wall - Google Patents

Foundation wall

Info

Publication number
EP3619364A1
EP3619364A1 EP18727897.3A EP18727897A EP3619364A1 EP 3619364 A1 EP3619364 A1 EP 3619364A1 EP 18727897 A EP18727897 A EP 18727897A EP 3619364 A1 EP3619364 A1 EP 3619364A1
Authority
EP
European Patent Office
Prior art keywords
panel
leg
foundation wall
concrete
holding member
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
Application number
EP18727897.3A
Other languages
German (de)
French (fr)
Other versions
EP3619364B1 (en
Inventor
Mikael DANESTEDT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jackon AS
Original Assignee
Jackon AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jackon AS filed Critical Jackon AS
Publication of EP3619364A1 publication Critical patent/EP3619364A1/en
Application granted granted Critical
Publication of EP3619364B1 publication Critical patent/EP3619364B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E02D27/013—Shuttering specially adapted therefor
    • 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
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air

Definitions

  • the present invention relates to a building element assembly having isolation properties and anchoring for panel forming the front side of a volume to be filled with concrete to form a foundation wall.
  • Foundation walls may be required to be covered by some form of fa ade plaster, at least on parts being above ground. This can be custom woodwork, or plates that have to be mounted to the foundation wall after construction.
  • Using a filled EPS/XPS form requires the construction worker to remove the EPS/XPS in areas of the foundation wall that are to be covered by wall elements or other material.
  • EPS/XPS forms or simple construction formwork requires the construction worker to be able to remove some, or the entire outer layer of the concrete foundation wall. This must be done after curing of the filled in concrete, which represent a time factor which may delay the construction work. In tight environments this will further add to the complexity of the construction task.
  • the time factor and accessibility to do a proper job are critical parameters in a construction process.
  • the present invention provides in one embodiment a device for providing a foundation wall element assembly for construction of a foundation wall wherein the element assembly is mounted in two stages and then provides a variable size room for filling concrete, and thus enables the construction worker to use the same elements regardless of the requirement to the thickness of the underground concrete foundation, and provides an easy access for reinforcement/armoring work.
  • the assembly process enables the construction worker to easily arrange the reinforcement while assembling the foundation wall element assembly.
  • the foundation wall element assembly itself comprises an outer wall finishing which eliminates further work on the foundation wall once the concrete to be filled into the foundation wall element assembly has cured.
  • the present invention may additionally provide a predictable protection against frost expansion close to and under the underground wall.
  • Non limiting embodiments will be described with references to the figures.
  • the invention now to be described further with reference to the drawings, showing non-limiting examples of the invention, comprises:
  • FIG. 4A side view of foundation wall element assembly in a building environment
  • FIG. 4B top view of a foundation wall element assembly
  • the present invention device, foundation wall element, for providing a flexible and easy to mount foundation wall element is now described with reference to the figures.
  • a foundation wall element assembly 100 comprising a foot element 1, and a leg element 2.
  • Foot element 1 and leg element 2 is typically made of a high isolating material such as EPS or XPS.
  • the foot element comprises a first groove 5 for receiving at least a part of the lower part 6 of the leg element 2.
  • the foundation wall element assembly 100 further comprising a panel element 3, wherein the lower part of the panel element 3 is arranged in a second groove 4a, 4b, 4c in the foot element 1.
  • the foot element 1 may comprise more than one second groove 4a, 4b, 4c.
  • the second grooves 4a, 4b, 4c are arranged at a distance from the first groove 5 in the foot element 1 defining alternative positioning of the panel element 3 for adapting to the required concrete filling thickness of the wall when arranged and filled.
  • the panel element 3 is of an endurable material such as a fiber cement board having a processed outer surface of desired color and texture, and may also have specific characteristics for example for isolation, water permeability, and other.
  • the holding member 9, as shown in figure 5C and 5D, may be formed as a strip comprising holes 52a, 52b, 52c in a first end and a hook 53 in the opposite second end.
  • the distance of the holes 52a, 52b, 52c correspond to the distances between the second grooves 4a, 4b, 4c in the foot element 1.
  • a plug 11 is provided for insertion through the hole 52a, 52b, 52c and is inserted in the hole 52a, 52b, 52c corresponding to required concrete filling thickness, and will when pushed into the topside of the leg element 2 fix the holding member relative the leg element 2 and define a known distance to the hook 53.
  • the topside of the holding member 9 may further comprise guiding means 51a, 51b, 51c, such as engraved lines, perforations, or other sign elements.
  • the purpose of the guiding means is to enable the construction worker to exactly position the top of the leg element 2 relative the holding member 9 when inserting the plug 11 through one of the holes 52a, 52b, 52c and into the topside of the leg element 2 .
  • the guiding means 51a, 51b, 51c may indicate the distance to the hook 53, such that when guiding means 51a, 51b, 51c is in line with the inner side of the leg element 2, the distance to the hook 53 is precisely defined.
  • the hook 53 is when arranged to embrace the top side of the panel element 3 defining the maximum distance the topside of the panel element 3 can be moved from the outside 12 of the leg element 2.
  • a further optional distance member 10 is illustrated in the figures.
  • the distance member 10 may be provided in different sizes, and will be selected dependent on which second groove 4a, 4b, 4c the panel element 3 is to be mounted in when wall is built.
  • the distance member 10 may comprise a tip 55, a space member 56 and a head 57, and when the tip is pushed into the outside wall of the leg element 2 all the way to the space member 56, the head defines a limiting distance the panel element 3 can be moved towards the leg element 2 when mounted.
  • the chosen second groove 4a, 4b, 4c to mount the panel element 3 in, the size of the optional distance member 10, and the chosen hole 52a, 52b, 52c to mount the plug 11 in corresponds such that the distance between the outside 12 of the leg element 2 and the inside 14 of the panel element 3 is the same from bottom to top.
  • the room 110 defined by the foot element 1, the leg element 2 and the panel element 3 may when filled with concrete and the concrete is cured be a weight bearing part of a wall.
  • the panel element When using both the holding member 9 and the distance member 10 to hold the panel element 3, the panel element will be held in a biased tensioned manner, since when the panel element 3 is held in the second groove 4a, 4b, 4c in the bottom part, the distance member push the top part of the panel element 3 outwards away from the leg element 2, and the hook 53 on the holding member 9 will hold the top of the panel element 3 back. Thus the panel element 3 is held in a locking manner at a fixed distance from the leg element 2.
  • FIG. 1A, 2A and 3A show 3 different forms. Other forms may be chosen.
  • FIG 4A - 4D there are illustrated how elements may be arranged to form a wall structure. It is seen that the leg element 2 is inserted in a first groove 20 in the foot element 1. The groove is in this instance of the same width and form as the bottom part of the leg element 2 such that when inserted in the groove 20, a tight fit is achieved. A panel element 3 is inserted into the second groove 4a to establish a minimum width in the lower part of the room 110. At least one distance member is chosen having a length between space member 56 and head 57 corresponding to the second groove 4a distance from the first groove 20, and pushed in to the outside 12 of the leg element 2.
  • the leg element may comprise preformed holes (not shown) in its outside surface 12 for receiving distance members 10.
  • the panel element 3 is then arranged to rest on the head 57 of the distance member, and a holding member 9 is arranged to grip the top end of the panel element 3 by the hook 53, and a plug 11 is inserted in a hole 52a in the holding member 9 and pushed down in the top of the leg element 2.
  • Guide line 51a may be used to align with the inside edge of the top end of the leg element2.
  • Preformed holes may be provided in the top end of the leg element 2 for receiving the plug 11.
  • the plug 11 when arranged in hole 52a , and when bottom of panel element 3 is arranged in second groove 4a, will typically ensure that the distance between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 corresponds both in bottom and top.
  • Reinforcement bars /armor 44al, 44b may be arranged before panel element is mounted.
  • a connecting member 40 may be arranged to hold the panel elements together.
  • the connecting member 40 may have various sizes and angles between the holding grooves/recesses 47a, 47b for the panel element 3.
  • FIG 4B illustrating a wall arrangement as seen from above, a holding element 40 is seen mounded to hold two panel elements 3 together on a straight wall section.
  • 4D illustrates a possible design of such connecting members 40 in two versions, where one is for a straight wall connection, and the other is for a 90 ° corner connection.
  • the connecting member may further be provided with an anchoring element 41, which will add the capability of anchoring the panel elements 3 to the concrete when concrete is filled into the room 110 and cure. Without the anchoring element 41, there is a risk for the panel elements 3 to disengage with the concrete column in the room 110 when the concrete cures.
  • FIG 4A it is further shown how armoring 44a, 44b is arranged both inside the room 110 and through the leg element 2, and further reinforcement bars 45 are arranged inside the leg element 2.
  • the assembly shown in the figure comprise a foundation wall element assembly 100, and a stack of floor elements 42 arranged on the farther end of the foot element 1 on the inside portion of the foundation wall element assembly 100 such that an inside open space 46 is provided for filling concrete and arranging anchoring to concrete floor.
  • the inside open space 46 may further provide room for holding further reinforcement bars 45.
  • the room 110 defined between the panel element 3 and the leg element 2 may also be provided with reinforcement bars 45 which may use a armoring assembly 44a, 44b for anchoring.
  • An additional isolation element 43 may be arranged outside the panel element 3 for further isolation. The longer the foot element 2 extends outside the second groove into which the lower part of the panel element 3 is inserted will provide prevention of heave to build under the wall construction when there is frost in the ground.
  • the foundation wall element assembly 100 will be mounted and filling material 120 will be carefully arranged outside the panel 3, before concrete is filled into the foundation wall element assembly 100 and at the same time concrete for the concrete slab on the inside 13 of the foundation wall element assembly is poured in place.
  • the foundation wall is completed. There is no need for treating the surface, or remove excessive material from the outside of the foundation wall, such as EPS/XPS above ground level, or formwork. Neither is it necessary to work on the front above ground surface of the foundation wall as this has its intended pretreated surface layer element 3.
  • the second grooves 4a, 4b, 4c are provided at an internal distance of 5 cm, and the inner groove 4a is arranged to be 10 cm from the outside 12 wall of the mounted leg member 2, thereby facilitation for wall thicknesses of 10, 15, and 20 cm concrete thickness.
  • a second option is that the second grooves 4a, 4b, 4c are provided at an internal distance of 10 cm, and the inner groove 4a is arranged to be 10 cm from the outside wall of the mounted leg member 2, thereby facilitation for wall thicknesses of 10, 20, and 30 cm concrete thickness.
  • a third option is that the second grooves 4a, 4b, 4c are provided at a variable internal distance of for example 5 cm andlO cm, and the inner groove 4a is arranged to be 10 cm from the outside wall of the mounted leg member 2, thereby facilitation for wall thicknesses of 10, 15, and 25 cm concrete thickness.
  • Other variations may comprise different internal distance between the second grooves 4a, 4b, 4c, and/or the first second groove 4a is arranged at different distances from the outside of the leg element 2 when mounted in the foot element 1.
  • Figure 7A show further a simplified embodiment of the foundation wall element assembly 100.
  • the foot 1 and leg 2 element is arranged and fixed either by a ridge and grove arrangement as shown previously, or simply by gluing the bottom surface of the leg 2 element to the upper surface of the foot 1 element such that the two form an L-element.
  • a lower holding member 70 is provided comprising holding means 72 for the panel 3 in one end, and an integrated holding spear 71 in the other end.
  • the spear 71 may be replaced for example by an arrangement of comprising holes at intervals for receiving a plug 11 as in the manner described above.
  • the construction worker will simply glue the two leg and foot elements together, and arrange the lower holding member 70. Then the reinforcement 44a, 44b, 45 is put in place, and the panel is arranged in the holding means 72 of the lower holding member 70. A second upper holding member 70 is then arranged at the top of the panel 3, and the upper distance member is fastened to the top of the leg element 2, either by pushing the spear 71 into the top surface of the leg element or by other means such as by pushing in a plug 11.
  • Distance members 10 may be used to ensure minimum distance between the outside 12 of the leg element and the inside of the panel 3 at intervals. Using either the more advanced foundation wall element assembly above from figure 1A, or the more simplified version of figure 7a, it is possible to remove the upper holding member 9, 70 when the filled in concrete has cured.
  • a further advantage of the present invention is that all the parts of the foundation wall element assembly can be flat-packed for transport and storage. This is a huge advantage, and will minimize the breakage and increase ease of handling.
  • the invention may further defined by a first embodiment of a foundation wall element assembly comprising: a foot element 1 a leg element 2, and a panel element 3, wherein the leg element 2 is mounted to the foot element 1, and holding means 4a, 4b, 4c, 72 for receiving the bottom part of a panel element 3, for providing a room 110 between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 for receiving concrete filling.
  • a second embodiment according to the first embodiment of a foundation wall element assembly further comprising a distance member 10 which when inserted into the leg element 2 from the outside 12 until the distance member touches the outside surface defines a known distance to the head57 which the panel element 3 can rest against.
  • a third embodiment according to the first or second embodiment of a foundation wall element assembly further comprising a top holding member 9, 70 for holding the upper portion of the panel element 3 at a maximum defined distance from the outside of the upper portion of the leg element 2.
  • a fourth embodiment according to the third embodiment of a foundation wall element assembly further the top holding member 9, 70 in a first end have holes 52a, 52b, 52c arranged, and in the opposite end is formed with a hook 53, for gripping around the top side of the panel element 3, and the base element further comprise a plug 11 for being received by one of the holes 52a, 52b, 52c from above and pushed into the top side of the leg element 2, and thus the top holding member 9, 70 defining the maximum distance between the panel element 3 and the leg element 2 in the upper part.
  • guiding means 51a, 51b, 51c such as engraved lines, perforations, or other sign elements for the purpose of guiding an exact positioning of the top of the leg element 2 relative the holding member 9, 70 when arranging the top holding member 9, 70.
  • a sixth embodiment according to any of the first to fifth embodiment of a foundation wall element assembly wherein in the foot element 1 comprise a first groove 5 for receiving the bottom part 6 of the leg element 2, and one or more second grooves 4a, 4b, 4c for receiving the bottom part of a panel element 3, for providing the room 110 between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 for receiving concrete filling.
  • a seventh embodiment according to the sixth embodiment of a foundation wall element assembly wherein the distance between the second grooves 4a, 4b, 4c in the foot element 1 and the holes 52a, 52b, 52c in the holding member are the same, and when arranged in the base element device provides holding means for the panel elements 3 to be held at a constant distance from the leg elements 2 from top to bottom in a biased manner.
  • An eight embodiment according to any of the first to seventh embodiment of a foundation wall element assembly wherein the foundation wall element assembly further comprise a connecting member 40, the connecting member 40 comprising two adjacent longitudinal recesses 47a, 47b for receiving respective left and right side of panel element 3 of two adjacent mounted panel elements 3.
  • the invention may further be defined by a first method embodiment for creating a foundation wall using the foundation wall element assembly according to any of the first to ninth embodiment of a foundation wall element assembly, wherein the method comprising the steps:
  • a second method embodiment according to the first method embodiment for creating a foundation wall wherein the method further comprise before concrete is filled the step: arranging filling material 120 outside panel 3 to provide additional support for panel 3 in the concrete filling phase.
  • foot element 1 comprising a first groove 5 for receiving the bottom part 6 of the leg element 2, and one or more second grooves 4a, 4b, 4c for receiving the bottom part of a panel element 3, mounting the bottom part of the panel in the second groove 4a, 4b, 4c defining required distance between the panel 3 and the leg element 2.
  • a fourth method embodiment according to any of the first to third method embodiment for creating a foundation wall wherein before filling in the concrete the method further comprising to mount a plurality of foundation wall element assemblies 100 adjacent each other, and connecting adjacent panels 3 inserting the respective left and right side of the adjacent panels into the recesses 47a, 47b of a connecting member 40.
  • a fifth method embodiment according to any of the first to fourth method embodiment for creating a foundation wall wherein the method further comprise the step: removing top holding member 9, 70 when concrete is cured.

Abstract

Foundation wall element assembly and method comprising, the assembly comprising a foot element, a leg element, and a panel element, wherein the leg element is mounted to the foot element, and holding means for receiving the bottom part of a panel element, for providing a room between the inside of the panel element and the outside of the leg element for receiving concrete filling.

Description

FOUNDATION WALL
The present invention relates to a building element assembly having isolation properties and anchoring for panel forming the front side of a volume to be filled with concrete to form a foundation wall.
Building a supporting foundation wall of a building is associated with many requirements and needs. The process is often complex, and a good result frequently depends on the skill and improvisation of the construction workers employed with the task of building the walls and floors. Vendors have developed various elements that make the task easier for the builder. Expanded/extruded polystyrene (EPS/XPS) building elements with an outer and an inner wall have been provided which are arranged and filled with concrete at the site. Such products has made the job of building floors and foundation walls, and even walls, easier and less work demanding. Lighter material, better insulation and draining capabilities have increased the deployment of such technologies. However there are problems with such elements related to breakage in transportation, inefficient for reinforcement work, and requirement for concrete post curing work.
There are however a lot of requirements and needs in the building process that these new technologies solve poorly, and which still must be manually handled by the construction workers, and often in an ad hoc manner.
Buildings have different requirements to the strength, which means there are many types of building elements as the EPS/XPS elements discussed above having different specifications related to the width of the concrete fillable space. The requirements will for example be different for a wall built of double/triple layered bricks compared to a wall made up of Leca® blocks. Since there may be multiple needs on a building site, there is a need to provide EPS/XPS elements of different sizes, depending on the requirements of the building. Although an EPS/XPS element is low in weight it is bulky and therefor takes up a lot of space on the building site. It is also a real danger of misusing the EPS /XPS elements causing too thick or too thin walls to be used in the foundation. Working with concrete requires extended use of reinforcement, such as complex structures of rods or bars. This is an important element of the durability and strength of the construction. Being able to arrange reinforcements at correct pattern and quantity may be a challenge, and certainly this may represent a critical problem when using EPS/XPS forms or simple construction formwork for filling concrete.
Foundation walls may be required to be covered by some form of fa ade plaster, at least on parts being above ground. This can be custom woodwork, or plates that have to be mounted to the foundation wall after construction.
Using a filled EPS/XPS form requires the construction worker to remove the EPS/XPS in areas of the foundation wall that are to be covered by wall elements or other material.
Using EPS/XPS forms or simple construction formwork requires the construction worker to be able to remove some, or the entire outer layer of the concrete foundation wall. This must be done after curing of the filled in concrete, which represent a time factor which may delay the construction work. In tight environments this will further add to the complexity of the construction task. The time factor and accessibility to do a proper job are critical parameters in a construction process.
Many building projects need a concrete wall below the ground surface which forms a solid base for the wall constructions, and which provides predictable isolation characteristics. Isolation underground shall also provide protection against frost expansion in the ground. Today this is made up of individual isolation elements and filling regimes, using gravel, sand and draining at depths that goes deeper than frost conditions during extreme winter conditions. Most of this work depends on the quality of the individual construction worker performing the work, and thus is prone to large variations in quality. A poorly performed job in this field may have serious consequences, leading to damage and costly repairs. It is the aim of present invention to provide solutions to one or more of the defined challenges and problems in the building process as described above.
The present invention provides in one embodiment a device for providing a foundation wall element assembly for construction of a foundation wall wherein the element assembly is mounted in two stages and then provides a variable size room for filling concrete, and thus enables the construction worker to use the same elements regardless of the requirement to the thickness of the underground concrete foundation, and provides an easy access for reinforcement/armoring work.
The assembly process enables the construction worker to easily arrange the reinforcement while assembling the foundation wall element assembly. The foundation wall element assembly itself comprises an outer wall finishing which eliminates further work on the foundation wall once the concrete to be filled into the foundation wall element assembly has cured.
It is an aim of the present invention to provide a foundation wall element assembly which is light weight and require a minimum of space when transported, thus reduce transportation resources, and brakeage.
The present invention may additionally provide a predictable protection against frost expansion close to and under the underground wall. Non limiting embodiments will be described with references to the figures. The invention now to be described further with reference to the drawings, showing non-limiting examples of the invention, comprises:
Fig- 1A - side view of foundation wall element assembly
Fig- IB - side view of foundation wall foot element
Fig- 2A - side view of foundation wall element assembly
Fig- 2B - side view of foundation wall foot element
Fig- 3A - side view of foundation wall element assembly
Fig- 3B - side view of foundation wall foot element
Fig- 4A - side view of foundation wall element assembly in a building environment
Fig- 4B - top view of a foundation wall element assembly
Fig- 4C - connecting member for panel elements
Fig- 4D - corner and side connecting member for panel elements
Fig- 5A - distance members
Fig- 5B - Back view, side view and front view of distance member
Fig- 5C - Top view holding member
Fig- 5D - side view holding member Fig. 5E - side view fastening plug member
Fig. 6 - Oblique view of foundation wall element assembly
Fig. 7A - Simplified version of foundation wall element assembly
Fig. 7B - Simplified version of holding member
The various features described herein are combined in certain ways to describe the embodiments in the figures. It should be understood that the figures are only used as an aid for understanding the invention, and the invention and protection scope also comprise other combinations of the features, as described by the claims.
The present invention device, foundation wall element, for providing a flexible and easy to mount foundation wall element is now described with reference to the figures.
In one alternative embodiment of the invention as described in figure 1A it is seen a foundation wall element assembly 100 comprising a foot element 1, and a leg element 2. Foot element 1 and leg element 2 is typically made of a high isolating material such as EPS or XPS. The foot element comprises a first groove 5 for receiving at least a part of the lower part 6 of the leg element 2. The foundation wall element assembly 100 further comprising a panel element 3, wherein the lower part of the panel element 3 is arranged in a second groove 4a, 4b, 4c in the foot element 1. The foot element 1 may comprise more than one second groove 4a, 4b, 4c. When mounted, the panel element 3 and the leg element 2 define a space for filling concrete. The second grooves 4a, 4b, 4c are arranged at a distance from the first groove 5 in the foot element 1 defining alternative positioning of the panel element 3 for adapting to the required concrete filling thickness of the wall when arranged and filled. The panel element 3 is of an endurable material such as a fiber cement board having a processed outer surface of desired color and texture, and may also have specific characteristics for example for isolation, water permeability, and other.
The basic idea is that the foot 1 and leg 2 elements are mounted on site in a first operation whereupon the reinforcement arrangements are installed in required pattern as seen in figure 4A. Having easy access to both inner 13 and outer 12 side of the leg element is vital for this job. Reinforcement bars 44a may easily be pushed through the leg elements at required intervals. Being anchored to the reinforcement on the inside of the leg element enables these bars 44a to form the backbone and support for longitudinal reinforcement steel mesh/bars 45 running along the length of the foundation wall element assembly. The panel element 3 is further held in position at the upper end by a holding member 9. The holding member 9, as shown in figure 5C and 5D, may be formed as a strip comprising holes 52a, 52b, 52c in a first end and a hook 53 in the opposite second end. The distance of the holes 52a, 52b, 52c correspond to the distances between the second grooves 4a, 4b, 4c in the foot element 1. A plug 11 is provided for insertion through the hole 52a, 52b, 52c and is inserted in the hole 52a, 52b, 52c corresponding to required concrete filling thickness, and will when pushed into the topside of the leg element 2 fix the holding member relative the leg element 2 and define a known distance to the hook 53. The topside of the holding member 9 may further comprise guiding means 51a, 51b, 51c, such as engraved lines, perforations, or other sign elements. The purpose of the guiding means is to enable the construction worker to exactly position the top of the leg element 2 relative the holding member 9 when inserting the plug 11 through one of the holes 52a, 52b, 52c and into the topside of the leg element 2 . The guiding means 51a, 51b, 51c may indicate the distance to the hook 53, such that when guiding means 51a, 51b, 51c is in line with the inner side of the leg element 2, the distance to the hook 53 is precisely defined. The hook 53 is when arranged to embrace the top side of the panel element 3 defining the maximum distance the topside of the panel element 3 can be moved from the outside 12 of the leg element 2. A further optional distance member 10 is illustrated in the figures. The distance member 10 may be provided in different sizes, and will be selected dependent on which second groove 4a, 4b, 4c the panel element 3 is to be mounted in when wall is built. The distance member 10 may comprise a tip 55, a space member 56 and a head 57, and when the tip is pushed into the outside wall of the leg element 2 all the way to the space member 56, the head defines a limiting distance the panel element 3 can be moved towards the leg element 2 when mounted.
In use, it is practical that the chosen second groove 4a, 4b, 4c to mount the panel element 3 in, the size of the optional distance member 10, and the chosen hole 52a, 52b, 52c to mount the plug 11 in corresponds such that the distance between the outside 12 of the leg element 2 and the inside 14 of the panel element 3 is the same from bottom to top. The room 110 defined by the foot element 1, the leg element 2 and the panel element 3 may when filled with concrete and the concrete is cured be a weight bearing part of a wall. When using both the holding member 9 and the distance member 10 to hold the panel element 3, the panel element will be held in a biased tensioned manner, since when the panel element 3 is held in the second groove 4a, 4b, 4c in the bottom part, the distance member push the top part of the panel element 3 outwards away from the leg element 2, and the hook 53 on the holding member 9 will hold the top of the panel element 3 back. Thus the panel element 3 is held in a locking manner at a fixed distance from the leg element 2.
Depending on the environment the foundation wall element 100 is to be mounted in, a variety of forms in the interlocking section 6, 20, 30, 50 of the foot element 1 and the leg element 2. Figure 1A, 2A and 3A show 3 different forms. Other forms may be chosen.
In figure 4A - 4D there are illustrated how elements may be arranged to form a wall structure. It is seen that the leg element 2 is inserted in a first groove 20 in the foot element 1. The groove is in this instance of the same width and form as the bottom part of the leg element 2 such that when inserted in the groove 20, a tight fit is achieved. A panel element 3 is inserted into the second groove 4a to establish a minimum width in the lower part of the room 110. At least one distance member is chosen having a length between space member 56 and head 57 corresponding to the second groove 4a distance from the first groove 20, and pushed in to the outside 12 of the leg element 2. The leg element may comprise preformed holes (not shown) in its outside surface 12 for receiving distance members 10. The panel element 3 is then arranged to rest on the head 57 of the distance member, and a holding member 9 is arranged to grip the top end of the panel element 3 by the hook 53, and a plug 11 is inserted in a hole 52a in the holding member 9 and pushed down in the top of the leg element 2. Guide line 51a may be used to align with the inside edge of the top end of the leg element2.
Preformed holes (not shown) may be provided in the top end of the leg element 2 for receiving the plug 11. The plug 11, when arranged in hole 52a , and when bottom of panel element 3 is arranged in second groove 4a, will typically ensure that the distance between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 corresponds both in bottom and top. Reinforcement bars /armor 44al, 44b may be arranged before panel element is mounted.
When a foundation wall is built it may be necessary to mount several foundation wall element assemblies 100 side by side, or meeting in a corner. A connecting member 40 may be arranged to hold the panel elements together. The connecting member 40 may have various sizes and angles between the holding grooves/recesses 47a, 47b for the panel element 3. In figure 4B illustrating a wall arrangement as seen from above, a holding element 40 is seen mounded to hold two panel elements 3 together on a straight wall section. 4D illustrates a possible design of such connecting members 40 in two versions, where one is for a straight wall connection, and the other is for a 90 ° corner connection. The connecting member may further be provided with an anchoring element 41, which will add the capability of anchoring the panel elements 3 to the concrete when concrete is filled into the room 110 and cure. Without the anchoring element 41, there is a risk for the panel elements 3 to disengage with the concrete column in the room 110 when the concrete cures.
In figure 4A it is further shown how armoring 44a, 44b is arranged both inside the room 110 and through the leg element 2, and further reinforcement bars 45 are arranged inside the leg element 2. The assembly shown in the figure comprise a foundation wall element assembly 100, and a stack of floor elements 42 arranged on the farther end of the foot element 1 on the inside portion of the foundation wall element assembly 100 such that an inside open space 46 is provided for filling concrete and arranging anchoring to concrete floor. The inside open space 46 may further provide room for holding further reinforcement bars 45. The room 110 defined between the panel element 3 and the leg element 2 may also be provided with reinforcement bars 45 which may use a armoring assembly 44a, 44b for anchoring.
An additional isolation element 43 may be arranged outside the panel element 3 for further isolation. The longer the foot element 2 extends outside the second groove into which the lower part of the panel element 3 is inserted will provide prevention of heave to build under the wall construction when there is frost in the ground. When the wall has been built as described above, it is possible to fill concrete on the inside of the foundation wall element assembly 100 in the inside open space 46 and above the floor element stack 42 to form the floor of the room inside the foundation wall element assemblies 100, and the room 110 inside the foundation wall element assembly to form the foundation of the wall construction.
Normally, the foundation wall element assembly 100 will be mounted and filling material 120 will be carefully arranged outside the panel 3, before concrete is filled into the foundation wall element assembly 100 and at the same time concrete for the concrete slab on the inside 13 of the foundation wall element assembly is poured in place. This way there are minimal risk for displacement of foundation wall element assembly elements and reinforcement. It is possible in this way to mount foundation wall element assemblies of high reach, up to more than 1 meter. When the concrete has been filled and cured, the foundation wall is completed. There is no need for treating the surface, or remove excessive material from the outside of the foundation wall, such as EPS/XPS above ground level, or formwork. Neither is it necessary to work on the front above ground surface of the foundation wall as this has its intended pretreated surface layer element 3.
There are no constraints to the size of the foundation wall element assemblies, but one option is that the second grooves 4a, 4b, 4c are provided at an internal distance of 5 cm, and the inner groove 4a is arranged to be 10 cm from the outside 12 wall of the mounted leg member 2, thereby facilitation for wall thicknesses of 10, 15, and 20 cm concrete thickness. A second option is that the second grooves 4a, 4b, 4c are provided at an internal distance of 10 cm, and the inner groove 4a is arranged to be 10 cm from the outside wall of the mounted leg member 2, thereby facilitation for wall thicknesses of 10, 20, and 30 cm concrete thickness. A third option is that the second grooves 4a, 4b, 4c are provided at a variable internal distance of for example 5 cm andlO cm, and the inner groove 4a is arranged to be 10 cm from the outside wall of the mounted leg member 2, thereby facilitation for wall thicknesses of 10, 15, and 25 cm concrete thickness. Other variations may comprise different internal distance between the second grooves 4a, 4b, 4c, and/or the first second groove 4a is arranged at different distances from the outside of the leg element 2 when mounted in the foot element 1. Figure 7A show further a simplified embodiment of the foundation wall element assembly 100. In these embodiments the foot 1 and leg 2 element is arranged and fixed either by a ridge and grove arrangement as shown previously, or simply by gluing the bottom surface of the leg 2 element to the upper surface of the foot 1 element such that the two form an L-element. Further, a lower holding member 70 is provided comprising holding means 72 for the panel 3 in one end, and an integrated holding spear 71 in the other end. Alternatively the spear 71 may be replaced for example by an arrangement of comprising holes at intervals for receiving a plug 11 as in the manner described above.
When using this simplified embodiment the construction worker will simply glue the two leg and foot elements together, and arrange the lower holding member 70. Then the reinforcement 44a, 44b, 45 is put in place, and the panel is arranged in the holding means 72 of the lower holding member 70. A second upper holding member 70 is then arranged at the top of the panel 3, and the upper distance member is fastened to the top of the leg element 2, either by pushing the spear 71 into the top surface of the leg element or by other means such as by pushing in a plug 11. Distance members 10 may be used to ensure minimum distance between the outside 12 of the leg element and the inside of the panel 3 at intervals. Using either the more advanced foundation wall element assembly above from figure 1A, or the more simplified version of figure 7a, it is possible to remove the upper holding member 9, 70 when the filled in concrete has cured.
A further advantage of the present invention is that all the parts of the foundation wall element assembly can be flat-packed for transport and storage. This is a huge advantage, and will minimize the breakage and increase ease of handling.
The ability to be able to construct advanced reinforcement onsite with no restrictions to accessibility is a great improvement, specifically in the construction of heavy buildings requiring complex reinforcement of the concrete slab on site.
The invention may further defined by a first embodiment of a foundation wall element assembly comprising: a foot element 1 a leg element 2, and a panel element 3, wherein the leg element 2 is mounted to the foot element 1, and holding means 4a, 4b, 4c, 72 for receiving the bottom part of a panel element 3, for providing a room 110 between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 for receiving concrete filling.
A second embodiment according to the first embodiment of a foundation wall element assembly, further comprising a distance member 10 which when inserted into the leg element 2 from the outside 12 until the distance member touches the outside surface defines a known distance to the head57 which the panel element 3 can rest against.
A third embodiment according to the first or second embodiment of a foundation wall element assembly, further comprising a top holding member 9, 70 for holding the upper portion of the panel element 3 at a maximum defined distance from the outside of the upper portion of the leg element 2. A fourth embodiment according to the third embodiment of a foundation wall element assembly, further the top holding member 9, 70 in a first end have holes 52a, 52b, 52c arranged, and in the opposite end is formed with a hook 53, for gripping around the top side of the panel element 3, and the base element further comprise a plug 11 for being received by one of the holes 52a, 52b, 52c from above and pushed into the top side of the leg element 2, and thus the top holding member 9, 70 defining the maximum distance between the panel element 3 and the leg element 2 in the upper part.
A fifth embodiment according to the third or fourth embodiment of a foundation wall element assembly, wherein the top holding member 9, 70 comprise guiding means 51a, 51b, 51c, such as engraved lines, perforations, or other sign elements for the purpose of guiding an exact positioning of the top of the leg element 2 relative the holding member 9, 70 when arranging the top holding member 9, 70.
A sixth embodiment according to any of the first to fifth embodiment of a foundation wall element assembly, wherein in the foot element 1 comprise a first groove 5 for receiving the bottom part 6 of the leg element 2, and one or more second grooves 4a, 4b, 4c for receiving the bottom part of a panel element 3, for providing the room 110 between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 for receiving concrete filling.
A seventh embodiment according to the sixth embodiment of a foundation wall element assembly, wherein the distance between the second grooves 4a, 4b, 4c in the foot element 1 and the holes 52a, 52b, 52c in the holding member are the same, and when arranged in the base element device provides holding means for the panel elements 3 to be held at a constant distance from the leg elements 2 from top to bottom in a biased manner. An eight embodiment according to any of the first to seventh embodiment of a foundation wall element assembly, wherein the foundation wall element assembly further comprise a connecting member 40, the connecting member 40 comprising two adjacent longitudinal recesses 47a, 47b for receiving respective left and right side of panel element 3 of two adjacent mounted panel elements 3. A ninth embodiment according to the eight embodiment of a foundation wall element assembly, wherein the connecting member 40 further comprising a longitudinal anchoring element 41 for providing a strong anchoring of the connecting member 40 and the adjacent mounted panels 3 when the concrete is cured within the foundation wall element assembly.
The invention may further be defined by a first method embodiment for creating a foundation wall using the foundation wall element assembly according to any of the first to ninth embodiment of a foundation wall element assembly, wherein the method comprising the steps:
arranging the foot 1 and the leg 2 elements to provide an inner wall of the foundation wall, arranging reinforcement for the foundation wall,
- arrange the bottom part of panel 3 at required distance from the outside 12 of the leg 2,
mount top holding member 9, 70 to top of panel 3 and top of leg element 2,
fill in concrete into the room 110 between the inside 14 of the panel element 3 and the outside 12 of the leg element 2 to required filing grade. A second method embodiment according to the first method embodiment for creating a foundation wall, wherein the method further comprise before concrete is filled the step: arranging filling material 120 outside panel 3 to provide additional support for panel 3 in the concrete filling phase.
A third method embodiment according to the first or second method embodiment for creating a foundation wall, wherein the step to arrange the bottom part of panel 3 further comprising:
using the foot element 1 comprising a first groove 5 for receiving the bottom part 6 of the leg element 2, and one or more second grooves 4a, 4b, 4c for receiving the bottom part of a panel element 3, mounting the bottom part of the panel in the second groove 4a, 4b, 4c defining required distance between the panel 3 and the leg element 2.
A fourth method embodiment according to any of the first to third method embodiment for creating a foundation wall, wherein before filling in the concrete the method further comprising to mount a plurality of foundation wall element assemblies 100 adjacent each other, and connecting adjacent panels 3 inserting the respective left and right side of the adjacent panels into the recesses 47a, 47b of a connecting member 40. A fifth method embodiment according to any of the first to fourth method embodiment for creating a foundation wall, wherein the method further comprise the step: removing top holding member 9, 70 when concrete is cured.

Claims

1 CLAIMS
1.
Foundation wall element assembly comprising:
a foot element (1) a leg element (2), and a panel element (3), wherein the leg element (2) is mounted to the foot element (1), and holding means (4a, 4b, 4c, 72) for receiving the bottom part of a panel element (3), for providing a room (110) between the inside (14) of the panel element (3) and the outside (12) of the leg element (2) for receiving concrete filling.
2.
Foundation wall element assembly according to claim 1, further comprising a distance member (10) having a space member (56) and a head (57) which when inserted into the leg element (2) from the outside (12) until the space member (56) touches the outside surface defines a known distance from the outside (12) of the leg element (2) to the head(57) which the panel element (3) can rest against.
3.
Foundation wall element assembly according to claim 1 or claim 2, further comprising a top holding member (9, 70) for holding the upper portion of the panel element (3) at a maximum defined distance from the outside of the upper portion of the leg element (2).
4.
Foundation wall element assembly according to claim 3, wherein the top holding member (9, 70) in a first end have holes (52a, 52b, 52c) arranged, and in the opposite second end is formed with a hook (53, 72), for gripping around the top side of the panel element (3), and the top holding member (9, 70) further comprise a plug (11) for being received by one of the holes (52a, 52b, 52c) from above and when pushed into the top side of the leg element (2), the top holding member (9, 70) defining the distance between the panel element (3) and the leg element (2) in the upper part when panel element (3) is arranged in the hook (53,72). Foundation wall element assembly according to claim 3 or 4, wherein the top holding member (9, 70) comprise indication means (51a, 51b, 51c), such as engraved lines, perforations, or other sign elements for the purpose of guiding an exact positioning of the top of the leg element (2) relative the holding member (9, 70) when arranging the top holding member (9, 70).
Foundation wall element assembly according to any of the previous claims, wherein the foot element (1) comprise a first groove
(5) for receiving the bottom part
(6) of the leg element (2), and one or more second grooves (4a, 4b, 4c) for receiving the bottom part of a panel element (3), for providing the room (110) between the inside (14) of the panel element (3) and the outside (12) of the leg element (2) for receiving concrete filling.
7.
Foundation wall element assembly according to claim 6, wherein the distance between the second grooves (4a, 4b, 4c) in the foot element (1) and the holes (52a, 52b, 52c) in the holding member are the same, and when arranged in the base element device provides holding means for the panel elements (3) to be held at a constant distance from the leg elements (2) from top to bottom in a biased manner.
8.
Foundation wall element assembly according to any of the previous claims, wherein the foundation wall element assembly further comprise a connecting member (40), the connecting member (40) comprising two adjacent longitudinal recesses (47a, 47b) for receiving respective left and right side of panel element (3) of two adjacent mounted panel elements (3).
9.
Foundation wall element assembly according to claim 8, wherein the connecting member (40) further comprising a longitudinal anchoring element (41) for providing a strong anchoring of the connecting member (40) and the adjacent mounted panels (3) when the concrete is cured within the foundation wall element assembly. 3
10.
Method for creating a foundation wall using the foundation wall element assembly according to any of claim 1 to 9, wherein the method comprising the steps:
- arranging the foot (1) and the leg (2) elements to provide an inner wall of the foundation wall,
arranging reinforcement (44a, 44b, 45) for the foundation wall,
arrange the bottom part of panel (3) at required distance from the outside (12) of the leg (2), mount top holding member (9, 70) to top of panel (3) and top of leg element (2),
fill in concrete into the room (110) between the inside (14) of the panel element (3) and the outside (12) of the leg element (2) to required filing grade.
11.
Method according to claim 10, wherein the method further comprising before concrete is filled the step:
arranging filling material (120) outside panel (3) to provide additional support for panel (3) in the concrete filling phase.
12.
Method according to claim 10 or 11, wherein the step to arrange the bottom part of panel (3) further comprising:
using the foot element (1) comprising a first groove (5) for receiving the bottom part (6) of the leg element (2), and one or more second grooves (4a, 4b, 4c) for receiving the bottom part of a panel element (3), mounting the bottom part of the panel in the second groove (4a, 4b, 4c) defining required distance between the panel (3) and the leg element (2).
13.
Method according to any of claim 10 to 12, wherein before filling in the concrete the method further comprising to mount a plurality of foundation wall element assemblies (100) adjacent each other, and connecting adjacent panels (3) inserting the respective left and right side of the adjacent panels into the recesses (47a, 47b) of a connecting member (40).
14.
Method according to any of claim 10 to 13, wherein the method further comprise the step: removing top holding member (9, 70) when the concrete is cured.
EP18727897.3A 2017-05-02 2018-04-30 Foundation wall Active EP3619364B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1730123A SE542337C2 (en) 2017-05-02 2017-05-02 Foundation wall element with panel
PCT/NO2018/050116 WO2018203755A1 (en) 2017-05-02 2018-04-30 Foundation wall

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EP3619364A1 true EP3619364A1 (en) 2020-03-11
EP3619364B1 EP3619364B1 (en) 2022-06-29

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US11105094B2 (en) * 2019-09-16 2021-08-31 Mono Slab Ez Form Llc Cement form with extension

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Publication number Priority date Publication date Assignee Title
US830893A (en) * 1905-11-20 1906-09-11 Harry P Engelhardt Concrete-wall-forming apparatus.
US4924641A (en) * 1988-04-01 1990-05-15 Gibbar Jr James H Polymer building wall form construction
JPH09242086A (en) * 1996-03-08 1997-09-16 Kanegafuchi Chem Ind Co Ltd Heat insulating footing panel which also serves as form and constructing method of heat insulating footing using it
JP2002030673A (en) * 2000-07-17 2002-01-31 Isao Okamoto Continuous footing work execution method, continuous footing structure, and bridge material for continuous footing work execution
GB2425318A (en) * 2005-04-20 2006-10-25 Ultraframe Uk Ltd Formation for building foundation

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SE1730123A1 (en) 2018-11-03
EP3619364B1 (en) 2022-06-29
DK3619364T3 (en) 2022-10-03
SE542337C2 (en) 2020-04-14
WO2018203755A1 (en) 2018-11-08

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