EP1437452A2 - Steel reinforcement frame for reinforced concrete - Google Patents

Steel reinforcement frame for reinforced concrete Download PDF

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Publication number
EP1437452A2
EP1437452A2 EP03380309A EP03380309A EP1437452A2 EP 1437452 A2 EP1437452 A2 EP 1437452A2 EP 03380309 A EP03380309 A EP 03380309A EP 03380309 A EP03380309 A EP 03380309A EP 1437452 A2 EP1437452 A2 EP 1437452A2
Authority
EP
European Patent Office
Prior art keywords
frame
reinforced concrete
longitudinal
unidirectional
forgings
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
EP03380309A
Other languages
German (de)
French (fr)
Other versions
EP1437452A3 (en
EP1437452B1 (en
Inventor
Isabel Merino Garay Olatz
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1437452A2 publication Critical patent/EP1437452A2/en
Publication of EP1437452A3 publication Critical patent/EP1437452A3/en
Application granted granted Critical
Publication of EP1437452B1 publication Critical patent/EP1437452B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • E04C5/18—Spacers of metal or substantially of metal
    • 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
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • 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
    • E04C5/065—Light-weight girders, e.g. with precast parts
    • 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

Definitions

  • This descriptive account relates to an application for Patent for Invention, corresponding to a type of steel reinforcement frame for the construction of unidirectional and bi-directional forgings which is a notable improvement on existing ones.
  • This invention is for application in the construction industry and more specifically in the construction of unidirectional and bi-directional forgings.
  • Frames for the construction of unidirectional and bi-directional forgings for reinforced concrete are made for the most part manually, even on the worksite itself and are thus anti-economical and of a quality which cannot be guaranteed.
  • the frame described in this account solves all the problems mentioned above, as it is manufactured industrially with a very economical method and with guaranteed quality.
  • the frame consists of a upper longitudinal round rod (1), a lower longitudinal round rod (2) and a transverse frame formed by U-shaped elements (3), (3'), (3"), which join the upper and lower longitudinal round rods.
  • the U-shaped transverse elements stand out from the lower longitudinal round rod (2), so that on the part which stands out we can weld or join by any other method one or more longitudinal reinforcing round rods (4) of variable length, with the lengths determined by the sizing rules for the reinforced concrete.
  • this frame When this frame is used for the construction of unidirectional and bi-directional forgings, it is positioned inside two or more pieces which we call a supporting piece-separator, generally made of steel, and whose role is to separate the longitudinal reinforcing round rods (4) from the casing and prevent them from moving during the concreting.
  • the shapes of these pieces are as follows: open trapezoidal (5), open trapezoidal but with the width at its lower base equal to the separation of the lightening elements (5'), open rhomboidal (6), closed trapezoidal (7), closed trapezoidal but with the width at the lower base equal to the separation of the lightening elements (7') and closed rhomboidal (8), as shown in figures (2), (3), (4), (5), (6) and (7).
  • the longitudinal frame is positioned inside each of these pieces as indicated in figures (8), (8'), (9), (10), (11) and (12), between the lightening elements (9) and (9').

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Conductive Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Saccharide Compounds (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, in which the frame is formed of an upper longitudinal round rod (1), a lower longitudinal round rod (2) and a transverse frame formed by U-shaped elements (3), (3'), (3''), which join the upper and lower longitudinal round rods. This frame is positioned inside two or more pieces which we call a supporting piece-separator. The shapes of these pieces are as follows: open trapezoidal (5), open trapezoidal but with the width at its lower base equal to the separation of the lightening elements (5'), open rhomboidal (6), closed trapezoidal (7), closed trapezoidal but with the width at its lower base equal to the separation of the lightening elements (7') and closed rhomboidal (8).

Description

OBJECT OF THE INVENTION
This descriptive account relates to an application for Patent for Invention, corresponding to a type of steel reinforcement frame for the construction of unidirectional and bi-directional forgings which is a notable improvement on existing ones.
FIELD OF THE INVENTION
This invention is for application in the construction industry and more specifically in the construction of unidirectional and bi-directional forgings.
BACKGROUND TO THE INVENTION
Frames for the construction of unidirectional and bi-directional forgings for reinforced concrete are made for the most part manually, even on the worksite itself and are thus anti-economical and of a quality which cannot be guaranteed.
Those manufactured industrially are generally made by combining the basic frame for the construction of reinforced girders with the necessary strengthening added in the factory or on-site.
They require separators to ensure the overlap of the steel, they must be held in place during the concreting, and their method of manufacture means that the rib of the forging is too wide and uses more concrete and their handling in the workshop is very laborious and thus expensive.
Other types of frames which are made by joining the lower frame to traditional stirrups cannot be industrially manufactured and their handling on site is very costly.
The frame described in this account solves all the problems mentioned above, as it is manufactured industrially with a very economical method and with guaranteed quality.
DESCRIPTION OF THE INVENTION
The frame consists of a upper longitudinal round rod (1), a lower longitudinal round rod (2) and a transverse frame formed by U-shaped elements (3), (3'), (3"), which join the upper and lower longitudinal round rods. The U-shaped transverse elements stand out from the lower longitudinal round rod (2), so that on the part which stands out we can weld or join by any other method one or more longitudinal reinforcing round rods (4) of variable length, with the lengths determined by the sizing rules for the reinforced concrete.
When this frame is used for the construction of unidirectional and bi-directional forgings, it is positioned inside two or more pieces which we call a supporting piece-separator, generally made of steel, and whose role is to separate the longitudinal reinforcing round rods (4) from the casing and prevent them from moving during the concreting. The shapes of these pieces are as follows: open trapezoidal (5), open trapezoidal but with the width at its lower base equal to the separation of the lightening elements (5'), open rhomboidal (6), closed trapezoidal (7), closed trapezoidal but with the width at the lower base equal to the separation of the lightening elements (7') and closed rhomboidal (8), as shown in figures (2), (3), (4), (5), (6) and (7). The longitudinal frame is positioned inside each of these pieces as indicated in figures (8), (8'), (9), (10), (11) and (12), between the lightening elements (9) and (9').
DESCRIPTION OF THE DIAGRAMS
To complement the description which has been made and with the object of helping to better understand the features of the invention, this descriptive account is accompanied, as an integral part of the same, by a set of plans which are illustrative and non-restrictive in character, and represent the following:
  • Figure number 1.- Represents an elevated longitudinal view of the frame in which number (1) is the upper longitudinal round rod, number (2) is the lower longitudinal round rod, numbers (3), (3') and (3" ) the U-shaped transverse elements and number (4) the strengthening/reinforcing round rods.
  • Figure number 2.- Is an elevated view of the open trapezoidal supporting piece-separator, numbered with number (5).
  • Figure number 3.- Is a view of the open trapezoidal supporting piece-separator, the width of the lower base (5') of which is equal to the separation between lightening elements (9), (9').
  • Figure number 4.- Is an elevated view of the open rhomboidal supporting piece-separator, numbered with number (6).
  • Figure number 5.- Is an elevated view of the closed trapezoidal supporting piece-separator, numbered with number (7).
  • Figure number 6.- Is a view of the closed trapezoidal supporting piece-separator, the width of the lower base (7') of which is equal to the separation between lightening elements (9), (9').
  • Figure number 7.- Is a view of the closed rhomboidal supporting piece-separator, numbered with number (8).
  • Figure number 8.- Is a view of the longitudinal frame inside the open trapezoidal supporting piece-separator (5) positioned on the lightening elements of the forging numbered with number (9) and (9').
  • Figure number 8'.- Is an elevated view of the longitudinal frame inside the open trapezoidal supporting piece-separator, the width of the lower base (5') of which is equal to the separation between lightening elements (9), (9'), positioned on the lightening elements of the forging numbered with numbers (9), (9').
  • Figure number 9.- Is an elevated view of the longitudinal frame inside the open rhomboidal supporting piece-separator (6) positioned on the lightening elements of the forging numbered with numbers (9), (9').
  • Figure number 10.- Is a view of the longitudinal frame inside the closed trapezoidal supporting piece-separator with the width of its lower base (7') equal to the separation between lightening elements (9'), positioned on the lightening elements of the forging numbered with numbers (9), (9').
  • Figure number 11.- Is an elevated view of the longitudinal frame inside the closed trapezoidal supporting piece-separator (7) positioned on the lightening elements of the forging numbered with numbers (9), (9').
  • Figure number 12.- Is an elevated view of the longitudinal frame inside the closed rhomboidal supporting piece-separator (8) positioned on the lightening elements of the forging numbered with numbers (9), (9').
  • Figure number 13.- Is an elevated view of two longitudinal frames inside two open trapezoidal supporting piece-separators (5) positioned on the lightening elements of the forging numbered with numbers (9), (9') (9'').
  • Figure number 14.- Is a ground view corresponding to the previous elevated view in which it can be seen how the longitudinal frame enters the beam (10) by means of the upper and lower longitudinal round rods (1), (-2).
    • PREFERRED EMBODIMENT OF THE INVENTION
    We will proceed with figures (13) and (14) which represent an elevated view and a ground view of two ribs of a unidirectional forging in which we have represented the open trapezoidal supporting piece-separators (5), but we could equally have used any other supporting piece-separator which is the object of this patent. The procedure is as follows: the open trapezoidal supporting piece-separators (5) are positioned resting on the lightening pieces (9), (9') and the longitudinal frames (1), (2) are then positioned inside them.
    If the supporting piece-separators were closed (7), (7') and (8) they would be inserted into the ends of the longitudinal frames (1), (2) and the whole would be supported on the lightening elements (9), (9').

    Claims (8)

    1. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, formed of an upper longitudinal round rod (1), a lower longitudinal round rod (2), a transverse frame formed by various U-shaped elements (3), (3'), (3"), which join the upper (1) and lower (2) longitudinal round rods and which stand out from the lower longitudinal frame to enable the welding or joining by any other means of one or more longitudinal round rods of variable length.
    2. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, according to the first claim characterised because the U-shaped elements (3), (3'), (3") of its transverse frame are longer than the distance between the upper and lower longitudinal round rods to allow the welding of one or more strengthening frames (4) to it.
    3. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, which presents a trapezoidal-shaped open supporting piece-separator (5), made of steel or any other material, which is wider at its lower base to house the lower longitudinal round rod (2) and the strengthening round rods (4) and narrower in its upper part to hold the upper longitudinal frame in place, with two horizontal branches which allow it to rest on the lightening elements of the forging.
    4. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, which presents a trapezoidal-shaped open supporting piece-separator with a lower base (5') whose width is equal to the separation between lightening elements (9), (9') so that it is held in place between them, and narrower in its upper part to hold the upper longitudinal frame in place, with two horizontal branches which allow it to rest on the lightening elements of the forging (9), (9').
    5. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, which presents a rhomboidal-shaped open supporting piece-separator (6), made of steel or any other material, with sufficient width at its lower base to house the lower longitudinal round rod (2) and the strengthening round rods (4), wider in its middle part so that it touches the lightening pieces (9), (9') and remains fixed between them, and narrower in its upper part to hold the upper longitudinal frame in place, with two horizontal branches which allow it to rest on the lightening elements (9), (9') of the forging.
    6. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, which presents a trapezoidal-shaped closed supporting piece-separator (7), made of steel or any other material, wider at its lower base to house the lower longitudinal round rod (2) and the strengthening round rods (4) and narrower in its upper part to hold the upper longitudinal frame in place, with two horizontal branches which allow it to rest on the lightening elements of the forging.
    7. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, which presents a trapezoidal-shaped closed supporting piece-separator with a width at its lower base (7') which is equal to the separation between lightening elements (9), (9') so that is held in place between them and narrower in its upper part to hold the upper longitudinal frame in place, with two horizontal branches which allow it to rest on the lightening elements of the forging (9), (9').
    8. Steel reinforcement frame for the construction of unidirectional and bi-directional forgings for reinforced concrete, which presents a rhomboidal-shaped closed supporting piece-separator (8), made of steel or any other material, with sufficient width at its lower base to house the lower longitudinal round rod (2) and the strengthening round rods (4), wider in its middle part so that it touches the lightening pieces (9), (9') and remains fixed between them, and narrower in its upper part to hold the upper longitudinal frame in place, with two horizontal branches which allow it to rest on the lightening elements (9), (9') of the forging.
    EP03380309A 2003-01-13 2003-12-29 Steel reinforcement frame for reinforced concrete Expired - Lifetime EP1437452B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    ES200300069 2003-01-13
    ES200300069A ES2246619B1 (en) 2003-01-13 2003-01-13 FERRALLA ARMOR FOR THE CONSTRUCTION OF UNIDIRECTIONAL AND BIDIRECTIONAL FORGES OF ARMED CONCRETE.

    Publications (3)

    Publication Number Publication Date
    EP1437452A2 true EP1437452A2 (en) 2004-07-14
    EP1437452A3 EP1437452A3 (en) 2004-08-18
    EP1437452B1 EP1437452B1 (en) 2006-05-24

    Family

    ID=32480031

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP03380309A Expired - Lifetime EP1437452B1 (en) 2003-01-13 2003-12-29 Steel reinforcement frame for reinforced concrete

    Country Status (5)

    Country Link
    EP (1) EP1437452B1 (en)
    AT (1) ATE327394T1 (en)
    DE (1) DE60305428T2 (en)
    ES (1) ES2246619B1 (en)
    PT (1) PT1437452E (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1770228A3 (en) * 2005-09-28 2009-01-21 Megaray, S.L. Rebar reinforcement for reinforced concrete beams

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    ES2278545B1 (en) * 2006-12-29 2008-04-16 Viguetas Cases, S.L. Armor for joists made in site, has series of reinforcements or cross-pillars, where vertex provides horizontal stretch of two branches at angle equal to or greater than ninty degrees to horizontal

    Family Cites Families (11)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US1379625A (en) * 1918-07-05 1921-05-31 Rudolph B Hartman Reinforced concrete construction
    FR966210A (en) * 1948-05-13 1950-10-04 Metal Deploye Le Lightweight metal formwork for ribbed reinforced concrete floor
    BE700663A (en) * 1967-06-29 1967-12-01
    DE2329943A1 (en) * 1973-06-13 1975-01-09 Rheinbau Gmbh Three-dimensional lattice girder - consists of one parallel upper bar and two lower bars with U-shaped brackets welded between them
    US3964226A (en) * 1974-09-27 1976-06-22 Hohmann & Barnard, Inc. Adjustable wall-tie reinforcing system
    ES231307Y (en) * 1977-10-11 1978-07-16 METALLIC CELOSIA ARMOR FOR CONCRETE FLOORS OR SI-MILARS.
    DE2805971C3 (en) * 1978-02-13 1981-05-21 geb. Schneider Dorothea 8229 Berchtoldimg Uth Spacers for reinforced concrete construction
    JPS6294639A (en) * 1985-10-18 1987-05-01 エリ・ロン Method for striking slab with reinforced concrete rib
    ATE96489T1 (en) * 1989-08-21 1993-11-15 Square Grip Ltd SHEAR REINFORCEMENT FOR COLUMN HEAD.
    US5317846A (en) * 1991-03-28 1994-06-07 United Dominion Industries, Inc. Underfloor wire distributing reinforced concrete floor structure
    ES2174742B1 (en) * 2000-12-22 2003-10-16 Garay Olatz Isabel Merino SEPARATOR-POSITIONER OF FERRALLA ARMORS FOR THE CONSTRUCTION OF UNIDIRECTIONAL AND BIDIRECTIONAL FORGINGS.

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1770228A3 (en) * 2005-09-28 2009-01-21 Megaray, S.L. Rebar reinforcement for reinforced concrete beams

    Also Published As

    Publication number Publication date
    PT1437452E (en) 2006-09-29
    EP1437452A3 (en) 2004-08-18
    ES2246619B1 (en) 2007-01-01
    ES2246619A1 (en) 2006-02-16
    DE60305428T2 (en) 2007-05-10
    ATE327394T1 (en) 2006-06-15
    EP1437452B1 (en) 2006-05-24
    DE60305428D1 (en) 2006-06-29

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