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GB2402162A - Grouting reinforcing bar; grouting valve - Google Patents

Grouting reinforcing bar; grouting valve Download PDF

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Publication number
GB2402162A
GB2402162A GB0312371A GB0312371A GB2402162A GB 2402162 A GB2402162 A GB 2402162A GB 0312371 A GB0312371 A GB 0312371A GB 0312371 A GB0312371 A GB 0312371A GB 2402162 A GB2402162 A GB 2402162A
Authority
GB
United Kingdom
Prior art keywords
grouting
grout
reinforcing bar
valve
bar
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.)
Withdrawn
Application number
GB0312371A
Other versions
GB0312371D0 (en
Inventor
Kevin Donaghy
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
Priority to GB0312371A priority Critical patent/GB2402162A/en
Publication of GB0312371D0 publication Critical patent/GB0312371D0/en
Publication of GB2402162A publication Critical patent/GB2402162A/en
Withdrawn legal-status Critical Current

Links

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
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
    • 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
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/14—Non-metallic plugs or sleeves; Use of liquid, loose solid or kneadable material therefor
    • F16B13/141—Fixing plugs in holes by the use of settable material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0447—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section circular- or oval-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

A hollow exteriorly spiralled reinforcing bar (c) is fitted with a valve assembly (d) comprising collar (b) and flap valve (a), inserted into a cavity in wall to be reinforced, and grout is pumped in to fill the cavity as shown, whereby air pockets in the grout are avoided.

Description

2402 1 62 1.
Description
Grouting Bar & Grout Valve This invention relates to a reinforcing bar and attachment which guarantees being encased in grout, enabling full structural requirements when stabilising existing concrete or brickwork.
In the construction industry reinforcing bars are used to enhance the structural strength of concrete, brick and stone. At present the method used is to fill a pre- drilled hole with grout and then insert a solid reinforcing bar. This has a disadvantage as air pockets are commonly formed which causes inconsistency in the grout coverage, greatly reducing the structural requirements.
The object of this invention is to provide a reinforcing bar and attachment that guarantees full coverage of grout around the reinforcing bar within the pre drilled hole.
The Grouting Bar eliminates these problems by removing the possibility of any air pocket being formed in the pre drilled holes by inserting the hollow centred Grouting Bar with Grout Valve. Then injecting the grout under pressure inside the hollow centre thereby forcing the air through and over the spirals of the Grouting Bar. This allows the grout to follow thus ensuring complete filling of the void within the pre- drilled hole. Therefore, full structural calculation is met.
The Grouting Bar can be made to any diameter or length to suit application The Grouting Bar will be made of metal or plastic or combination of both.
The Disposable rubber seal (Grout Valve) incorporating the one way valve will also be made to suit various diameter Grouting Bars.
A preferred embodiment of the invention will now be described with reference to the accompanying drawing in which: Previous Method Figure la. Shows conventional grouting showing air pocket.
Figure lb. Is solid bar insertion into air pocket.
Figure lo. Pressure grouting using rubber seal Preferred Grouting Bar Seal Method Figure 2a. Cross section of Grouting Bar showing hollow centre with spiralled outer surface.
Figure 2b. Illustrating grout valve and seal.
Figure 2c. Application of Grouting Bar showing movement of grout.
Figure 2d. Shows full encasement of Grouting Bar on completion of insertion. 2.
As shown in Fig la-lc conventional grouting creates air pockets in predrilled holes therefore when standard grouting bars are inserted it does not complete all structural requirements of the materials due to the air pockets created.
Fig 2a shows a cross sectional view of the new Grouting Bar with formed rebate for the attachment of the Grout Valve prior to insertion into the pre-drilled hole.
Fig 2b shows the Grout Valve that is made from soft rubber with a "clack valve" one way valve (a), this prevents the liquid grout from returning once the hole is filled.
The soft rubber outer ring (b) allows the air to be expelled out of the hole and allows the grouting to follow.
Fig 2c shows the flow of grout through the Grout Valve assembly along the hollow centre of the Grouting Bar to the full extent of the pre-drilled hole, continuing back and upwards around the spiral grooves until all air is expelled and grout is visible around the outer seal showing full saturation of the grout within the hole.
Fig 2d shows completed reinforced section, showing the full encasement of the Grouting Bar in the cavity.
Grouting Bars are commonly used throughout the Construction Industry for example, in the reinforcing of older road and rail bridges where using the "Grouting Bar" will increase the strength of the reinforcing. 3.

Claims (4)

  1. Claims 1. A hollow spiralled grooved reinforcing bar which allows full
    insertion of grout to pre-drilled holes.
  2. 2. A reinforcing bar which is made from metal or plastic or from a combination of both.
  3. 3. A disposable sealing valve to suit different bar diameters.
  4. 4. A reinforcing bar as described and illustrated in accompanying drawing.
GB0312371A 2003-05-30 2003-05-30 Grouting reinforcing bar; grouting valve Withdrawn GB2402162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0312371A GB2402162A (en) 2003-05-30 2003-05-30 Grouting reinforcing bar; grouting valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0312371A GB2402162A (en) 2003-05-30 2003-05-30 Grouting reinforcing bar; grouting valve

Publications (2)

Publication Number Publication Date
GB0312371D0 GB0312371D0 (en) 2003-07-02
GB2402162A true GB2402162A (en) 2004-12-01

Family

ID=9958994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0312371A Withdrawn GB2402162A (en) 2003-05-30 2003-05-30 Grouting reinforcing bar; grouting valve

Country Status (1)

Country Link
GB (1) GB2402162A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1384744A (en) * 1971-06-02 1975-02-19 Sif Entreprise Method and elements for anchoring stays and stay anchorages thus produced
US5027568A (en) * 1987-07-24 1991-07-02 Hilti Aktiengsellschaft Method of consolidating cracks in a structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1384744A (en) * 1971-06-02 1975-02-19 Sif Entreprise Method and elements for anchoring stays and stay anchorages thus produced
US5027568A (en) * 1987-07-24 1991-07-02 Hilti Aktiengsellschaft Method of consolidating cracks in a structure

Also Published As

Publication number Publication date
GB0312371D0 (en) 2003-07-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)