EP0054042B1 - A method in connection with formwork/casting - Google Patents

A method in connection with formwork/casting Download PDF

Info

Publication number
EP0054042B1
EP0054042B1 EP81901555A EP81901555A EP0054042B1 EP 0054042 B1 EP0054042 B1 EP 0054042B1 EP 81901555 A EP81901555 A EP 81901555A EP 81901555 A EP81901555 A EP 81901555A EP 0054042 B1 EP0054042 B1 EP 0054042B1
Authority
EP
European Patent Office
Prior art keywords
cones
concrete
plastics
cone
ties
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.)
Expired
Application number
EP81901555A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0054042A1 (en
Inventor
Bjorn Ingeberg
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 AT81901555T priority Critical patent/ATE6286T1/de
Publication of EP0054042A1 publication Critical patent/EP0054042A1/en
Application granted granted Critical
Publication of EP0054042B1 publication Critical patent/EP0054042B1/en
Expired legal-status Critical Current

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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/0644—Plug means for tie-holes

Definitions

  • ties are used to maintain the required spacing of those forms.
  • the ties are protected by plastics tubes or bushing which may have a circular or a rectangular shape.
  • a method of using formwork in the production of concrete walls which method comprises connecting forms together in a predetermined spaced relationship by ties each of which is protected by a plastics cone having a bore therethrough to receive the corresponding tie, removing the ties and plastics cones after the setting of the concrete and sealing the holes left by such removal, characterised in that each such hole is sealed by introducing therein a pre-cast cone of light-weight concrete, provided with an adhesive, said cone substantially exactly fitting the hole which it is to seal.
  • cones that are easily extracted from the set concrete, that are sufficiently soft not to destroy the forms, as occurs when using steel cones with plywood formwork, and at the same time strong enough to withstand the stresses to which they are subjected during casting.
  • Aeroconcrete is a semiliquid, foaming cement mix requiring water- tight moulds in which to set.
  • a preferred embodiment of the mould may comprise an expanded plastics block having a number of holes of the desired diameter and shape for the cone seals drilled out or otherwise prepared, so as to enable moulding or several sealing cones in one block.
  • Such an expanded plastics block being comparatively inexpensive, it may also serve as a transport packing for the set sealing cones.
  • Another advantage of making said light-weight concrete sealing cones in a mould as mentioned is that the required axial length of the finished cones is easily obtained by cutting or sawing the entire combination of set or substantially set sealing cones and their mould to correct size. Since said sealing cones lie partly restricted in their mould, a large number of cones may be cut or sawed through to the desired axial length in a single operation. In this manner it is possible to produce cones having axial lengths that exactly match the concrete wall thickness. According to the improved method, the plastics cones having longitudinal bores are inserted into the forms before concrete pouring and the ties are run through said cones and are secured to the spaced forms in a manner known per se.
  • said forms and ties are removed and said plastics cones are knocked out axially with the aid of a suitable tool.
  • Light-weight pre-cast aeroconcrete cones of matching axial length are provided with a suitable glue and are inserted into the holes from which the plastics cones have been removed. Aeroconcrete being relatively soft, the sealing cones can additionally be secured in place by nails, be cut to size or otherwise be prepared, ensuring that each sealing cone will substantially exactly fit the conical hole which it is to seal.

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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
EP81901555A 1980-06-16 1981-06-12 A method in connection with formwork/casting Expired EP0054042B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81901555T ATE6286T1 (de) 1980-06-16 1981-06-12 Verfahren im zusammenhang mit gussschalungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO801784A NO151212C (no) 1980-06-16 1980-06-16 Fremgangsmaate ved forskalling/stoeping av betongvegger, samt fremgangsmaate ved fremstilling av et lettbetongkon for anvendelse ved fremgangsmaaten
NO801784 1980-06-16

Publications (2)

Publication Number Publication Date
EP0054042A1 EP0054042A1 (en) 1982-06-23
EP0054042B1 true EP0054042B1 (en) 1984-02-15

Family

ID=19885537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81901555A Expired EP0054042B1 (en) 1980-06-16 1981-06-12 A method in connection with formwork/casting

Country Status (5)

Country Link
EP (1) EP0054042B1 (da)
DE (1) DE3162266D1 (da)
DK (1) DK147574C (da)
NO (1) NO151212C (da)
WO (1) WO1981003676A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221866C2 (de) * 1982-06-09 1987-03-12 Adolf Schneider Betonwerk GmbH & Co KG, 7522 Philippsburg Abstandshalter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE203813C1 (da) * 1965-01-01
US839021A (en) * 1906-09-19 1906-12-18 William T Mccarthy Concrete construction.
US954636A (en) * 1909-05-25 1910-04-12 William A Kurman Wall-forming device.
DE1534929A1 (de) * 1965-12-14 1969-05-14 Anton Freyer Abstandshalter fuer Mauerstaerken
US3437309A (en) * 1966-09-26 1969-04-08 Dusan Tausanovitch Reusable concrete form tie
SE326548B (da) * 1968-06-14 1970-07-27 R Loden
US3648961A (en) * 1970-04-30 1972-03-14 William H Farrow Wall tie for concrete forms
US4016696A (en) * 1975-04-04 1977-04-12 The Dayton Sure-Grip & Shore Co. Tie rod hole plug in combination with a wall hole

Also Published As

Publication number Publication date
NO801784L (no) 1981-12-17
DE3162266D1 (en) 1984-03-22
DK147574B (da) 1984-10-08
DK147574C (da) 1985-03-25
NO151212B (no) 1984-11-19
WO1981003676A1 (en) 1981-12-24
EP0054042A1 (en) 1982-06-23
NO151212C (no) 1985-02-27
DK66782A (da) 1982-02-16

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