CA2475339A1 - Slab formwork systems - Google Patents

Slab formwork systems Download PDF

Info

Publication number
CA2475339A1
CA2475339A1 CA002475339A CA2475339A CA2475339A1 CA 2475339 A1 CA2475339 A1 CA 2475339A1 CA 002475339 A CA002475339 A CA 002475339A CA 2475339 A CA2475339 A CA 2475339A CA 2475339 A1 CA2475339 A1 CA 2475339A1
Authority
CA
Canada
Prior art keywords
formwork panels
support beams
panel support
recesses
extending
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
CA002475339A
Other languages
French (fr)
Other versions
CA2475339C (en
Inventor
Peter Vanagan
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.)
Hy-Rise Scaffolding Ltd
Original Assignee
Hy-Rise Scaffolding Ltd
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 Hy-Rise Scaffolding Ltd filed Critical Hy-Rise Scaffolding Ltd
Priority to CA002493492A priority Critical patent/CA2493492A1/en
Priority to CA002475339A priority patent/CA2475339C/en
Priority to CA2490827A priority patent/CA2490827C/en
Publication of CA2475339A1 publication Critical patent/CA2475339A1/en
Application granted granted Critical
Publication of CA2475339C publication Critical patent/CA2475339C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/486—Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E04G11/54—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like
    • E04G11/56—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like of telescopic type
    • 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
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

A slab formwork system for casting ceilings has panel support beams underlyi ng and supporting formwork panels; and shores supporting the panel support beams. T he panel support beams have upwardly facing top surfaces with upwardly open, longitudinally extending recesses and resiliently deformable strips of elastomeric material extending along the recesses. The formwork panels having marginal edge undersurface portions mounted on the panel support surfaces and downwardly protruding panel retainer projections embedded in the resiliently deformable strips. The formwork panels each have a pair o f parallel, elongate intermediate members extending between and interconnecting parallel elongate side members and a sheet of material supported on the side and intermediate members, and the side members have undersides formed with a longitudinally extending, downwardly open recesses. Connecting clips retained in the downwardly open recesses are engaged with the support beams to secure the formwork panels to the support beams. The panel support beams are telescopically longitudinally adjustable to allow corresponding variation of the spacings of the shores which have dropheads each having a first component forming a prophead extending between an adjacent pair of the formwork panels and a second componentin supporting engagement with the formwork panels. The first and second components have mutually engaged screw threads allowing the second component to be lowered relative to the first component for releasing the formwork panels.</ SDOAB>
CA002475339A 2004-07-21 2004-07-21 Slab formwork systems Active CA2475339C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002493492A CA2493492A1 (en) 2004-07-21 2004-07-21 Slab formwork systems
CA002475339A CA2475339C (en) 2004-07-21 2004-07-21 Slab formwork systems
CA2490827A CA2490827C (en) 2004-07-21 2004-07-21 Slab formwork systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002475339A CA2475339C (en) 2004-07-21 2004-07-21 Slab formwork systems

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CA2490827A Division CA2490827C (en) 2004-07-21 2004-07-21 Slab formwork systems
CA002493492A Division CA2493492A1 (en) 2004-07-21 2004-07-21 Slab formwork systems

Publications (2)

Publication Number Publication Date
CA2475339A1 true CA2475339A1 (en) 2004-12-05
CA2475339C CA2475339C (en) 2005-09-13

Family

ID=33557697

Family Applications (3)

Application Number Title Priority Date Filing Date
CA002493492A Abandoned CA2493492A1 (en) 2004-07-21 2004-07-21 Slab formwork systems
CA002475339A Active CA2475339C (en) 2004-07-21 2004-07-21 Slab formwork systems
CA2490827A Active CA2490827C (en) 2004-07-21 2004-07-21 Slab formwork systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002493492A Abandoned CA2493492A1 (en) 2004-07-21 2004-07-21 Slab formwork systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2490827A Active CA2490827C (en) 2004-07-21 2004-07-21 Slab formwork systems

Country Status (1)

Country Link
CA (3) CA2493492A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956455A (en) * 2010-04-23 2011-01-26 吴方伯 Adjustable support structural member for supporting building template
CN103276893A (en) * 2013-06-04 2013-09-04 河南国基建设集团有限公司 Novel composite structure for supporting rigid building template and construction method
CN104989096A (en) * 2015-07-15 2015-10-21 江苏雷格森建筑科技有限公司 Keel formwork system
CN114016732A (en) * 2021-12-03 2022-02-08 晟通科技集团有限公司 Floor formwork and floor formwork system
US20220081917A1 (en) * 2019-01-18 2022-03-17 Brand Shared Services Llc Formwork system
US11384546B2 (en) * 2018-02-06 2022-07-12 Brand Shared Services Llc Formwork with height adjustable support for forming concrete surfaces that transition between upward sloping and downward sloping

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2015010560A (en) * 2013-02-18 2016-04-04 Doka Gmbh Formwork panel and formwork system.
SG11201506462SA (en) * 2013-02-18 2015-09-29 Doka Gmbh Stripping head and formwork system
DE102016204633A1 (en) * 2016-03-21 2017-09-21 Peri Gmbh Ceiling table and ceiling formwork with such a ceiling table
CN107642232B (en) * 2017-09-28 2022-11-22 中国建筑股份有限公司 Horizontal connecting structure and system for formwork support and construction method
GR1010013B (en) * 2020-06-02 2021-05-27 Reko Beton Ιδιωτικη Κεφαλαιουχικη Εταιρεια Sliding panel for the construction of reinforced concrete roof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956455A (en) * 2010-04-23 2011-01-26 吴方伯 Adjustable support structural member for supporting building template
CN103276893A (en) * 2013-06-04 2013-09-04 河南国基建设集团有限公司 Novel composite structure for supporting rigid building template and construction method
CN103276893B (en) * 2013-06-04 2016-05-04 河南国基建设集团有限公司 The construction method of rigidity building template support combinations structure
CN104989096A (en) * 2015-07-15 2015-10-21 江苏雷格森建筑科技有限公司 Keel formwork system
US11384546B2 (en) * 2018-02-06 2022-07-12 Brand Shared Services Llc Formwork with height adjustable support for forming concrete surfaces that transition between upward sloping and downward sloping
US20220081917A1 (en) * 2019-01-18 2022-03-17 Brand Shared Services Llc Formwork system
US11976477B2 (en) * 2019-01-18 2024-05-07 Brand Shared Services Llc Formwork system
CN114016732A (en) * 2021-12-03 2022-02-08 晟通科技集团有限公司 Floor formwork and floor formwork system
CN114016732B (en) * 2021-12-03 2023-05-16 晟通科技集团有限公司 Floor form and floor form system

Also Published As

Publication number Publication date
CA2490827C (en) 2011-09-20
CA2475339C (en) 2005-09-13
CA2490827A1 (en) 2004-12-05
CA2493492A1 (en) 2004-12-05

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