EP3312359B1 - Mold element - Google Patents

Mold element Download PDF

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Publication number
EP3312359B1
EP3312359B1 EP17194993.6A EP17194993A EP3312359B1 EP 3312359 B1 EP3312359 B1 EP 3312359B1 EP 17194993 A EP17194993 A EP 17194993A EP 3312359 B1 EP3312359 B1 EP 3312359B1
Authority
EP
European Patent Office
Prior art keywords
side walls
feet
mold element
steel bar
concrete casting
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.)
Active
Application number
EP17194993.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3312359A1 (en
Inventor
Reijo Jokinen
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.)
Beotek Oy
Original Assignee
Beotek Oy
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 Beotek Oy filed Critical Beotek Oy
Priority to PL17194993T priority Critical patent/PL3312359T3/pl
Publication of EP3312359A1 publication Critical patent/EP3312359A1/en
Application granted granted Critical
Publication of EP3312359B1 publication Critical patent/EP3312359B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 [3D] 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
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E02D27/08—Reinforcements for 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
    • E04G9/02—Forming boards or similar elements

Definitions

  • the invention relates to a mold element for foundation molds of buildings, the mold element comprising a coarse-meshed steel bar mesh which is manufactured of steel bars, the steel bars being fixed to each other at cross-over points thereof, the steel bar mesh being designed as an elongated gutter which has a bottom and side walls and feet between the bottom and side walls, the feet being formed of bended steel bars of the steel bar mesh, and in addition, the side walls are provided with wall material which retains the concrete casting.
  • the mold element includes a coarse-meshed steel bar mesh which is made of crosswise steel rods 2 and lengthwise steel rods 3, the steel bars being fixed to each other at cross-over points thereof, the steel bar mesh being designed as an elongated gutter.
  • the gutterlike steel rod mesh has a bottom 1 and side walls 5 and feet 4 between the bottom and side walls, the feet being formed of bended steel bars 2 of the steel bar mesh, and in addition, the side walls are provided with wall material which retains the concrete casting.
  • the concrete casting retaining wall material is made up of plastic foils 6, which have been laminated on both sides of the steel bar mesh.
  • the plastic foils are attached to each other in the areas of steel bar mesh openings at the area of side walls 5 and feet 4, extending under the feet bottom.
  • the concrete casting retaining wall material is made up of insulating boards 7 which are placed against inner surfaces of the side walls 5. This construction is used when heat insulation is needed.
  • the bottom of the mold element must be wide enough, in order to provide a load bearing support against the soil.
  • the distance between the side walls is typically for instance 60 cm.
  • the base to be placed on the foundation is, however, substantially narrower. Load from the constructions on the base is transmitted via the base to the foundation, where the load supporting counter forces are formed between the base and the bottom of the foundation. Significance of border areas in the upper portion of the foundation is so tiny that the concrete mass used therefore is in waste use. In the present invention this problem is avoided because the side walls 5 approach each other when going from feet 5 upwards towards upper edges of the side walls, the angle of approach being in the area of 3 - 45 degrees separately for each wall. Typically the said angle is 10 - 40 degrees. This inclination of side walls is made by bends of steel rods of the feet 4. These bends i.e. inclination of side walls can be made before attachment of the plastic foils or thereafter.
  • the weight of the concrete mass casted in the mold element is directed to the side walls 5 and tends to turn them outwards by bending the crosswise steel rods 2 particularly at the areas of the bending arches of the feet 4. Outwards bending of the walls have been prevented by supporting the walls from outside or by binding them together. If the supporting is not performed, then also unnecessary extra consumption of concrete mass is caused.
  • the bends of feet are slightly over-bended, in order that the side walls 5 approach each other slightly more than their desired final position after the concrete casting of the foundation. When going from feet 4 upwards towards upper edges of the side walls, this extra angle of approach is a few degrees separately for each wall.
  • the bending angle of the side walls is in its maximum so large that the minimum distance between the upper edges of the side walls corresponds to the width of the base.
  • the angle of side walls relative to the normal of bottom plane is 3 - 45 degrees, in other words, in the angle of 87 - 45 degrees relative to the bottom plane.
  • the said angle is 10 - 40 degrees (in other words, 80-50 degrees relative to the bottom plane).
  • the stiffness of the used steel rods 2 is sufficient to resist the outwards bending of the walls such that when the mold is filled by casting, the angle between the walls is widened only a few degrees in comparison to an empty mold element. Thereby supporting of walls and extra consumption of concrete mass can be avoided.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP17194993.6A 2016-10-19 2017-10-05 Mold element Active EP3312359B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17194993T PL3312359T3 (pl) 2016-10-19 2017-10-05 Element formierski

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20164206 2016-10-19

Publications (2)

Publication Number Publication Date
EP3312359A1 EP3312359A1 (en) 2018-04-25
EP3312359B1 true EP3312359B1 (en) 2019-11-06

Family

ID=60037417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17194993.6A Active EP3312359B1 (en) 2016-10-19 2017-10-05 Mold element

Country Status (3)

Country Link
EP (1) EP3312359B1 (pl)
DK (1) DK3312359T3 (pl)
PL (1) PL3312359T3 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL436609A1 (pl) * 2020-12-31 2022-07-04 Krzysztof Zwierz System konstrukcyjny do wykonywania ław i ścian fundamentowych, zwłaszcza w systemie szalunków traconych

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29700133U1 (de) * 1997-01-07 1997-02-20 Jokinen, Reijo, Helsinki Fundamentbewehrung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815870C1 (pl) * 1988-05-09 1989-08-03 Peca-Verbundtechnik Gmbh, 8312 Dingolfing, De
FR2777923A1 (fr) * 1998-04-22 1999-10-29 Philippe Blanc Dispositif pour faciliter la mise en oeuvre des semelles de fondations et de murs de soubassement d'une construction
FI118390B (fi) * 2006-03-23 2007-10-31 Lammi Perustus Oy Menetelmä ja laite muovikalvojen kiinnittämiseksi anturamuottielementin seiniin
DE202007008977U1 (de) * 2007-06-27 2008-10-30 Reent Obernolte Gmbh & Co. Kg Schalungselement
FI125417B (fi) 2014-06-12 2015-10-15 Beotek Oy Menetelmä ja laite muovikalvojen kiinnittämiseksi betonivaluanturan muottielementin sivuseiniin

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29700133U1 (de) * 1997-01-07 1997-02-20 Jokinen, Reijo, Helsinki Fundamentbewehrung

Also Published As

Publication number Publication date
DK3312359T3 (da) 2020-01-27
PL3312359T3 (pl) 2020-04-30
EP3312359A1 (en) 2018-04-25

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