EP4036315A1 - Systeme de construction pour les semelles et les murs de fondation, notamment dans un systeme de coffrage perdu - Google Patents

Systeme de construction pour les semelles et les murs de fondation, notamment dans un systeme de coffrage perdu Download PDF

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Publication number
EP4036315A1
EP4036315A1 EP21218037.6A EP21218037A EP4036315A1 EP 4036315 A1 EP4036315 A1 EP 4036315A1 EP 21218037 A EP21218037 A EP 21218037A EP 4036315 A1 EP4036315 A1 EP 4036315A1
Authority
EP
European Patent Office
Prior art keywords
formwork
modular
insulated
wall
width
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.)
Pending
Application number
EP21218037.6A
Other languages
German (de)
English (en)
Inventor
Krzysztof Zwierz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4036315A1 publication Critical patent/EP4036315A1/fr
Pending legal-status Critical Current

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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
    • E02D27/08—Reinforcements for flat foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0622—Open cages, e.g. connecting stirrup baskets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • 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

Definitions

  • the subject of the invention is a construction system for making foundation footings and walls, in particular in the permanent formwork system for use in building construction.
  • the lost formwork is a formwork system that enables quick and efficient execution of a form used to give the designed shape to a concrete mix filled with reinforcement.
  • the lost formwork is not a demountable element, after completion of concreting works, it constitutes an important component of the constructed structure, also becoming thermal insulation.
  • Corrugated shelves are the corner elements constituting the ends of vertical edges of flat frames.
  • the corner elements constituting the ends of the vertical edges of the flat frames are corrugated shelves, cross-section in the form of a bent shelf.
  • spacers (6) are placed between the external and internal shuttering boards (2 and 3) and steel assembly bars are threaded through them and fixed to the supporting structure.
  • the space between the external and internal shuttering boards (2 and 3) is flooded from above with concrete (1) or other load-bearing and binding material.
  • the lost formwork to make the wall of an energy-efficient building consists of an external shuttering board (2) and an internal shuttering board (3), which are connected with steel ties (5) and assembling rings (4) mounted on their threaded ends.
  • one-sided lost formwork which is characterized by the fact that the insulating element - lost formwork (1) is shaped (profiled), in particular by a system of grooves and indentations (3), so that the concrete filling it (2) ensure good holding of the formwork - insulation, or it contains additional elements (4, 11), fittings, pins or projections made of own or other material, so that the concrete filling them would ensure good holding of the formwork - insulation.
  • the aim of the present invention is to develop a whole system of elements that would enable quick and efficient production of a formwork form used to give a designed shape to a concrete mix filled with reinforcement, while at the same time protecting the formwork against humidity.
  • the essence of the invention is a structural system for making the formwork of footings and foundation walls, which basically consists of three elements, namely the assembly frame, modular, insulated formwork and stirrup type "U" connected with each other in a specific way and repeated many times depending on the construction design until the full length of the formwork is achieved.
  • the assembly frames with the width of the designed footing formwork are placed at a distance of not less than 400mm, one from the other, on the bottom of the formwork ditches, then to the sides of the assembly frame they are mounted with a binding wire or a modular weld, insulated formwork boards so as to create a monolithic wall and prepared in this way the reinforcement of the formwork bench is sprinkled with sand and then gradually filled with concrete.
  • the reinforcement of the foundation wall is mounted to the formwork bench by joining subsequent elements of the assembly frame with the width designed for the foundation wall with the use of a U-type stirrup and attaching modular, insulated formwork boards to them, creating a ready monolithic wall with a width and height in accordance with the design and ready to fill the formwork with concrete mass.
  • the assembly frame has a specific shape that allows it to be firmly embedded in the formwork trench and mounted on the side of the modular, insulated formwork board.
  • the modular shuttering board is surrounded by a foil that provides insulation against humidity for the shuttering that will be created after pouring concrete into the shuttering.
  • the system according to the invention can be widely used as a system formwork of benches and walls with the already obtained moisture insulation of the benches and walls.
  • the permanent formwork according to the invention provides insulation against moisture.
  • the construction system according to the invention makes it easy to make any regular and oval geometric shapes for the formwork without unnecessary additional connectors and other additional, various materials.
  • the system according to the invention is compatible with the designed reinforcement because it is made of the same materials, i.e. steel bars.
  • the effect of compatibility gives an additional structural reinforcement of the reinforcement of the footings and foundation walls.
  • the applied modular, insulating formwork board provides insulation against moisture during the laying of formwork forms without any additional materials.
  • the formwork works are performed with the involvement of three times smaller number of employees in many shafts in the wrong term, and the mass and weight of building materials when constructing the formwork is 40 times smaller than when using traditional methods, which gives measurable benefits in transport (1 m2 of the system is 15 kg in transport).
  • the use of the system according to the invention gives a reduction in CO2 emissions, a reduction in the use of insulators such as tar, solvents, a total reduction in the use of wood in the entire foundation construction process, no construction waste during the construction of the formwork, because the materials used form a monolith.
  • Fig. 1 shows the modular, insulated formwork board (1) in a side view in the basic version with a heat-shrinkable film (6)
  • Fig. 2 shows the assembly frame (2) in the basic version in a straight view
  • Fig. 3 shows a stirrup of the type "U" (3) in a straight view
  • Fig. 4 shows a pictorial drawing of the method of assembling the insulated formwork board (1) on the side (4) of the assembly frame (2)
  • Fig. 5 shows a fragment of the formwork bench obtained as a result of joining the assembly frame (2) with an insulated board (1) in the axonometric projection
  • Fig. 1 shows the modular, insulated formwork board (1) in a side view in the basic version with a heat-shrinkable film (6)
  • Fig. 2 shows the assembly frame (2) in the basic version in a straight view
  • Fig. 3 shows a stirrup of the type "U" (3) in a straight view
  • Fig. 4 shows a pictorial drawing of the method of
  • FIG. 6 shows a fragment of the footing form and the formwork wall obtained as a result of joining the formwork form of the footing with the formwork form of the wall by means of a U-type stirrup in the axonometric projection
  • Fig. 7 shows Formwork forms of the footing and walls in the exemplary embodiment in general view
  • Fig. 8 shows assembly frames (2) during the joining operations at the test construction site
  • Fig. 9 shows a set of assembly frames (2)
  • Fig. 10 shows the formwork boards (1) during the assembly operations on the assembly frames (2)
  • Fig. 11 shows the installation of the U-type stirrup (3) after pouring concrete mass on the formwork bench
  • Fig. 12 shows the foundation wall prepared for pouring
  • Fig. 13 shows the footing with the foundation wall after pouring with concrete mass.
  • the construction system for forming the formwork of footings and foundation walls is characterized in that it consists essentially of three elements, namely a modular assembly frame 2, an insulated formwork board 1 and a U-type stirrup 3 connected with each other in a defined manner and repeated several times depending on the construction design until the full length of the formwork is obtained.
  • Mounting frames 2 with the width of the designed footing formwork are placed at a distance of not less than 400mm, one from the other, on the bottom of the formwork trench, then to the sides of the mounting frame 4 are mounted with a binding wire or weld modular, insulated formwork boards 1 so as to create a monolithic wall
  • the already prepared reinforcement of the formwork bench is sprinkled with sand and then gradually filled with concrete mass.
  • the reinforcement of the foundation wall is mounted to the formwork bench by joining successive elements of the assembly frame with the width designed for the foundation wall with the use of a "U" type 3 stirrup and attaching modular, insulated planks 1 to them, creating a ready monolithic wall with a width and height in accordance with with the design and ready to be filled with concrete mass.
  • the assembly frame 2 has a specific shape that allows it to be embedded in the formwork trench and mounted on the side of the 4 modular, insulated formwork board 2.
  • the modular, insulated shuttering board 1 is surrounded by a foil that creates insulation against humidity for the formwork that will be created after pouring concrete into the formwork.
  • a modular, insulated formwork board 1 for formwork, especially for permanent formwork consists of a flat, board-shaped surface at least 2000 mm long made of ribbed steel bars with a diameter of at least 8 mm, the horizontal bars crossing the vertical bars at right angles.
  • the base of the mounting frame has the shape of a triangle, square, semicircle, or perpendicular straight line at the point of connection with vertical bars, and a square or rectangular shape in the middle.
  • the shuttering board is coated with a heat-shrinkable foil, which provides support to concrete mixtures.
  • the modular, insulated formwork board 1 may be available in variants of various lengths, but the most desirable in terms of weight, ease of laying and construction according to construction plans is the length of the formwork board equal to 2000mm. Such a length of the structural element allows easy formwork for both the footing and the foundation wall.
  • any dimension of the reinforcement stirrups is tightened with the use of tie wire to the structural elements arranged longitudinally and perpendicularly, filled with bars according to the design recommendations, and we obtain a ready form with reinforcement for the permanent formwork. After preparing the form and arranging it, you can proceed to filling the made formwork with concrete mix.
  • the modular, insulated shuttering board is easy to use, easy to install, and above all, it is the basis for the recommended construction reinforcement. Most often, the shuttering board is at least 1500mm long, but it can also be 4000mm, 6000mm, or whatever is required by the design.
  • the diameter of the steel bars is preferably 8mm, but for larger structures a steel bar with a diameter of 10mm or 12mm may be used.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Foundations (AREA)
EP21218037.6A 2020-12-31 2021-12-29 Systeme de construction pour les semelles et les murs de fondation, notamment dans un systeme de coffrage perdu Pending EP4036315A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL436609A PL436609A1 (pl) 2020-12-31 2020-12-31 System konstrukcyjny do wykonywania ław i ścian fundamentowych, zwłaszcza w systemie szalunków traconych

Publications (1)

Publication Number Publication Date
EP4036315A1 true EP4036315A1 (fr) 2022-08-03

Family

ID=81940608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21218037.6A Pending EP4036315A1 (fr) 2020-12-31 2021-12-29 Systeme de construction pour les semelles et les murs de fondation, notamment dans un systeme de coffrage perdu

Country Status (2)

Country Link
EP (1) EP4036315A1 (fr)
PL (1) PL436609A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US226785A (en) 1880-04-20 pridmore
DE29609851U1 (de) * 1996-06-04 1996-08-22 Tiletschke Lothar Fundament-Seitenschaltung
DE29700133U1 (de) * 1997-01-07 1997-02-20 Jokinen Reijo Fundamentbewehrung
DE202007002758U1 (de) * 2007-02-26 2007-04-19 Fwr Solutions Gmbh Schalungselement
EP3312359A1 (fr) * 2016-10-19 2018-04-25 Beotek Oy Élément de moule

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US226785A (en) 1880-04-20 pridmore
DE29609851U1 (de) * 1996-06-04 1996-08-22 Tiletschke Lothar Fundament-Seitenschaltung
DE29700133U1 (de) * 1997-01-07 1997-02-20 Jokinen Reijo Fundamentbewehrung
DE202007002758U1 (de) * 2007-02-26 2007-04-19 Fwr Solutions Gmbh Schalungselement
EP3312359A1 (fr) * 2016-10-19 2018-04-25 Beotek Oy Élément de moule

Also Published As

Publication number Publication date
PL436609A1 (pl) 2022-07-04

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