US3245191A - Support for mesh-like structures, especially for use in reinforced concrete - Google Patents

Support for mesh-like structures, especially for use in reinforced concrete Download PDF

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Publication number
US3245191A
US3245191A US258880A US25888063A US3245191A US 3245191 A US3245191 A US 3245191A US 258880 A US258880 A US 258880A US 25888063 A US25888063 A US 25888063A US 3245191 A US3245191 A US 3245191A
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United States
Prior art keywords
rods
mesh
portions
reinforcing
parallel
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Expired - Lifetime
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US258880A
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English (en)
Inventor
Ernst Walter
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Baustahlgewebe GmbH
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Baustahlgewebe GmbH
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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

Definitions

  • the present invention relates to supporting devices for mesh-like structures comprised of joined superposed intersecting rods, more particularly, though not limitatively, for use as reinforcing means in floor, roof and the like concrete constructions. In the latter, accuracy in placing the reinforcing steel mesh is essential, inasmuch as an error in the position may alter the character and strength of the final structure, as well as result in other drawbacks and defects well known and referred to herein.
  • An important object of the present invention is, therefore, the provision of an improved supporting and spacing element for concrete steel mesh and the like reinforcing structures by which the prior and related difiiculties are substantially overcome and which will enable the accurate positioning of the structures upon a supporting surface, such as of the formwork of a concrete floor, roof or the like construction unit.
  • the reinforcing structures In constructions of this type, aside from the necessity of providing a desired final strength, the reinforcing structures must be sufficiently spaced from the outer surfaces of the concrete body, in order to prevent the penetration of moisture and resultant oxidation or corrosion of the steel rods or mesh. In the construction of concrete walls or floors, this requirement applies to the reinforcements adjoining both the bottom as well as the top surface of the floors or the like slab-like construction units. This makes it necessary to accurately fix and maintain the position of the mesh or the like structures before and after the pouring of the concrete, respectively.
  • the foregoing aim is achieved according to the present invention by the provision of simple and efficient chairlike supporting structures or elements for the mesh or the like structures assembled in the formwork of a concrete floor or the like construction unit.
  • the supporting means for the lower reinforcement of a floor or the like differs from the supporting means for the upper reinforcement in design and construction, special difiiculties having been encountered in the past to fix and maintain the position of the upper reinforcement especially if the latter is in the form of a steel mesh or mat.
  • the same When using single intersecting rods as reinforcements adjoining the upper surface of a floor or the like concrete unit, the same may be supported by the lower such as a mesh-like reinforcing structure by struts or braces being preferably integral with and extending upwardly from said structure.
  • struts or braces being preferably integral with and extending upwardly from said structure.
  • steel mesh for the upper reinforcement of a floor or concrete slab, a secure support and spacing of the mesh is required by the use of special supporting and aligning devices or spacing elements.
  • further object of the invention is the provision of an improved supporting and spacing element for the mesh or the like reinforcing structures for use especially, though not limitatively, in reinforced concrete slab construction of the type referred to, which will ensure a stable and substantially plane supporting surface of said structures; which will prevent slipping or displacement, as well as bending or tilting of the structures during and after assembly and pouring of the concrete; and which is both simple in construction and easy to use or assemble in connection with existing reinforced concrete floor and the like constructions.
  • FIG. 1 is a perspective view of a spacing and supporting element for steel mesh and the like structures, especially for use in connection with reinforced concrete construc tions;
  • FIG. 2 is a further perspective view showing a complete reinforcing mesh structure or assembly adapted for use in concrete floor or the like construction and embodying the ilgrggroi ed spacing and supporting elements according to Like reference numerals denote like parts in both views of the drawings.
  • the invention involves generally the provision of an improved supporting element for a reinforcing mesh or the like structure of the type referred to comprising essentially a pair of parallel supporting rods connected by a plurality of spaced transverse bracing rods and being bent into a U-shape, in such a manner as to provide a chair-like supporting structure having four legs and a pair of intermediate supporting portions, said intermediate portions being bridged by at least two intermediate bracing rods or the like supporting members.
  • the construction of the supporting element is furthermore such that the ends of said legs coincide with a common plane being parallel to the planes defined by both said intermediate portions and bracing rods, respectively.
  • intermediate bracing rods having a suitable diameter
  • a pair of intersecting rods being part of a mesh structure and placed symmetrically upon said support positioned upon a horizontal base or surface, will be supported at four points by said intermediate portions and said intermediate bracing rods, respectively, in an accurately parallel and aligned position in respect to said surface which may be part of the formwork of a reinforced concrete floor or the like construction unit.
  • the diameter of the lower of the superposed intersecting rods of the mesh or the like structure depends upon the thickness or diameter of the intermediate bracing rods serving as supports of the upper rods of said structure, the diameter of the upper rod may be equal to that of the lower rod or have any other desired value, to ensure a four-point bearing support of the entire structure at a position parallel to the base or supporting surface.
  • the intermediate portions of the support maybe formed, according to an improved feature of the invention, with trough-like depressions designed to receive part of the cross-section of the lower rod or rods of the structure, in such a manner as to again ensure a four-point support and accurate alignment of the rods 0r mesh, in a manner as will become further apparent from the following description of the drawings.
  • the numeral 10 denotes a pair of parallel supporting rods connected, such as by spot welding or the like, by a .pair of transverse bracing rods 11 and bent into a Ushape or frame to provide a chair-like support having four outwardly flaring legs and a pair of horizontal intermediate portions 12, the latter being provided, in the example illustrated, with central trough-like depression 12 and bridged by at least two bracing rods 13.
  • the ends of the legs 10 coincide with a common plane being parallel to both the planes defined by said intermediate portions 12 and the bracing or supporting rods 13, respectively.
  • an intersecting rod structure 14, placed upon said support in relative symmetrical position thereto in respect to its intersection point 16, will be supported at four supporting or hearing points, that is, by the depressions 12 and the rods 13 acting as supporting or bearing means, in such a manner as to ensure a stable and accurate parallel position of the structure from its base or supporting surface.
  • the depressions 12' may be dispensed with.
  • the intermediate bracing rods 13 have a diameter such as to define, both with or without the depressions 12, a common supporting surface together with the lower rod 14 of a mesh placed across the intermediate frame portions 12, said plane being parallel to the supporting surface or plane containing the ends of the legs of the structure.
  • the numeral 17 indicates the crosssection of the completed portion of a reinforced concrete fioor which may be supported at least in part by a brick wall 19, and numeral 18 shows the formwork of an uncompleted wall portion upon which has been assembled a reinforcing mesh structure in accordance with the invention.
  • the lower mesh comprised of intersecting double and single rods 20 and 21, respectively, is mounted in position parallel to the formwork wall by means of suitable supporting and spacing elements (not shown), whereupon the elements 22 constructed in accordance with the invention are positioned at predetermined points of the supporting area to serve as supports of the upper mesh structure comprised of the intersecting rods 14 and 15, in the manner shown and described in reference to FIG. 1.
  • the upper mesh 14, 15 is fixed and maintained at an exact predetermined distance from the lower and upper surfaces of the concrete wall before and during the concrete pouring operation.
  • the distance between and the distribution of the supports 22 is suitably chosen in dependence upon the character and size of the mesh, to ensure the exact parallelism and support thereof, substantially without bending, slipping or tilting of the mesh or rods.
  • bracing rods 13 supporting the upper rods 15 of the mesh are so spaced from one another, to ensure a complete encasing of the rods by the concrete, and from the bends of the supporting legs 16 as to eliminate any appreciable shearing stress on the welds joints at the intersections of the rods 14 and 15, or to prevent sliding or slipping of the mesh during the assemblying and concrete pouring operations.
  • a supporting structure for said mesh comprising in combination:
  • intermediate frame portions being provided with central depressions receiving one of the intersecting rods of said mesh having a diameter in excess of the diameter of said intermediate bracing rods.
  • a supporting structure for said mesh comprising in combination:

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
US258880A 1962-02-20 1963-02-15 Support for mesh-like structures, especially for use in reinforced concrete Expired - Lifetime US3245191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0066017 1962-02-20

Publications (1)

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US3245191A true US3245191A (en) 1966-04-12

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US258880A Expired - Lifetime US3245191A (en) 1962-02-20 1963-02-15 Support for mesh-like structures, especially for use in reinforced concrete

Country Status (7)

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US (1) US3245191A (da)
AT (1) AT239498B (da)
CH (1) CH422278A (da)
DE (1) DE1484104A1 (da)
DK (1) DK112676B (da)
GB (1) GB971180A (da)
LU (1) LU43191A1 (da)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338017A (en) * 1964-08-04 1967-08-29 Baustahlgewebe Gmbh Support for steel mat and the like structures for use in reinforced concrete
US3693311A (en) * 1965-11-12 1972-09-26 Sven Erik Bjerking Reinforcement elements for concrete structures
US3828500A (en) * 1971-07-30 1974-08-13 J Chancey Reinforced concrete construction
US4996816A (en) * 1989-10-06 1991-03-05 Wiebe Jacob R Support for elongate members in a poured layer
CN110230269A (zh) * 2019-07-29 2019-09-13 中交一公局第三工程有限公司 劲性骨架胎架及其制作劲性骨架的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689867A (en) * 1982-09-27 1987-09-01 Tolliver Wilbur E Concrete reinforcement spacer and method of use
DE8506996U1 (de) * 1985-03-11 1985-07-04 Couwenbergs, Paulus Maria Adrianus Johannes, 7500 Karlsruhe Bauteil - Abstandhalter mit Einrastvorrichtung im Armierungsbau (aus Stahl)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US389885A (en) * 1888-09-25 Wire-lath fastener and stiffener
US1641109A (en) * 1925-02-13 1927-08-30 Fort Pitt Bridge Works Of Pitt Concrete reenforcement
US1729612A (en) * 1926-10-13 1929-10-01 Goldsmith Metal Lath Company Concrete floor construction
US2349399A (en) * 1942-03-23 1944-05-23 Awbrey William Powell Reinforcing bar support
US2428137A (en) * 1946-04-02 1947-09-30 Union Steel Prod Co Reinforce supporting structural unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US389885A (en) * 1888-09-25 Wire-lath fastener and stiffener
US1641109A (en) * 1925-02-13 1927-08-30 Fort Pitt Bridge Works Of Pitt Concrete reenforcement
US1729612A (en) * 1926-10-13 1929-10-01 Goldsmith Metal Lath Company Concrete floor construction
US2349399A (en) * 1942-03-23 1944-05-23 Awbrey William Powell Reinforcing bar support
US2428137A (en) * 1946-04-02 1947-09-30 Union Steel Prod Co Reinforce supporting structural unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338017A (en) * 1964-08-04 1967-08-29 Baustahlgewebe Gmbh Support for steel mat and the like structures for use in reinforced concrete
US3693311A (en) * 1965-11-12 1972-09-26 Sven Erik Bjerking Reinforcement elements for concrete structures
US3828500A (en) * 1971-07-30 1974-08-13 J Chancey Reinforced concrete construction
US4996816A (en) * 1989-10-06 1991-03-05 Wiebe Jacob R Support for elongate members in a poured layer
CN110230269A (zh) * 2019-07-29 2019-09-13 中交一公局第三工程有限公司 劲性骨架胎架及其制作劲性骨架的方法

Also Published As

Publication number Publication date
CH422278A (de) 1966-10-15
DK112676B (da) 1969-01-06
DE1484104A1 (de) 1968-12-05
LU43191A1 (da) 1963-04-16
GB971180A (en) 1964-09-30
AT239498B (de) 1965-04-12

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