EP0237874A2 - Coffrage avec panneaux pour colonnes - Google Patents

Coffrage avec panneaux pour colonnes Download PDF

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Publication number
EP0237874A2
EP0237874A2 EP87103121A EP87103121A EP0237874A2 EP 0237874 A2 EP0237874 A2 EP 0237874A2 EP 87103121 A EP87103121 A EP 87103121A EP 87103121 A EP87103121 A EP 87103121A EP 0237874 A2 EP0237874 A2 EP 0237874A2
Authority
EP
European Patent Office
Prior art keywords
formwork
formwork panel
coupling
panel
abutment
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
EP87103121A
Other languages
German (de)
English (en)
Other versions
EP0237874A3 (en
EP0237874B1 (fr
Inventor
Hans Wohrle
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 AT87103121T priority Critical patent/ATE57563T1/de
Publication of EP0237874A2 publication Critical patent/EP0237874A2/fr
Publication of EP0237874A3 publication Critical patent/EP0237874A3/de
Application granted granted Critical
Publication of EP0237874B1 publication Critical patent/EP0237874B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
    • E04G13/025—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions with stiff clamping means bracing the back-side of the form without penetrating the forming surface

Definitions

  • the invention relates to a column formwork with formwork panels, each of which is connected to the front of a formwork panel adjacent to a corner, an adjustable connection coupling for changing the column cross section engaging on the one formwork panel in the area connected to and the other formwork panel on the outside thereof, and this connection coupling on the one hand on stiffening webs or the like. attacks the outside of the formwork panels near its end face and, on the other hand, can be fixed in the respective position with the aid of a fastening bolt which runs parallel to this formwork panel and is oriented transversely to the formwork panel which is anchored, directly or indirectly or directly anchored to the formwork panel, the fastening bolt being an elongated slot or the like .
  • connection coupling transversely to the orientation of this elongated slot and overlaps on the side remote from the switching panel by means of an abutment, which can be brought into contact with the connection coupling by anchoring the fastening bolt, preferably by means of a nut or the like.
  • Such column formwork is known from GB-PS 907 377.
  • There are two parallel connections Flat bars stiffened preferably to angle profiles are provided, which are arranged approximately parallel to one another at a distance from two flat sides facing one another. This distance between the flat bars forms a long slot, which is penetrated by a connecting bolt.
  • This connecting bolt is anchored on the one hand in an extension of the formwork panel which has passed, while on the other hand it overlaps the side of the elongated slot which is located away from the formwork with a protruding abutment.
  • This connecting bolt can be clamped to a thread using a nut opposite the abutment.
  • the connecting bolt in its respective position takes place with the help of at least one wedge engaging behind it with respect to the forces that occur.
  • the flat bars serving as a connecting coupling have a large number of elongated slots which run in their orientation direction and which are adjacent to one another in rows and offset from one another, so that a corresponding insertion slot for the wedge can be selected depending on the position of the fastening bolt. Because of the wedge effect, a continuous adjustment to different dimensions is possible within the scope of the length of the connecting coupling and the expansion of the field provided with such wedge slots.
  • the disadvantage is that the connection coupling must be firmly attached to one formwork panel due to the two separate flat irons.
  • the anchoring of the connecting bolt is complex because it not only has to be braced against the connecting coupling with the aid of a clamping nut, but also has to be protected with the aid of another part, namely a wedge. It is not just this additional anchoring part and the need for it Assembly an additional difficulty, but there is also the risk that the wrong slot could be chosen in the large number of wedge slots, so that the wedge sits too loosely or too little and thus the anchorage of the coupling is insufficient.
  • the invention is therefore based on the object of providing a column formwork of the type mentioned at the outset with a connecting coupling in which, for its secure and non-positive connection, the anchoring of the fastening bolt in the position corresponding to the respective dimension is sufficient to ensure a secure connection of the formwork panels adjacent around the corner to reach.
  • the solution to this problem consists essentially in the fact that at least one edge of the elongated slot acted upon by the abutment r of the fastening bolt is provided with locking points or depressions lying next to one another in its orientation direction, in which the abutment engages at least partially in a form-fitting manner.
  • the fastening bolt is already positively fixed in all directions and the like or corresponding forces without the additional use of support wedges or the like. record, tape. Installation is correspondingly simple.
  • connection coupling has a coupling block with the elongated slot, which has a connecting lug with the outside of the one panel is connected and also supports itself against the bypassed continuation of the formwork skin of the bypassed formwork panel.
  • the ends of the long slot can be arranged within the dimensions of the coupling block, so that mutual deformation of the long slot edges is practically impossible.
  • the switched-over area of the formwork panel has, in series, adjacent holding holes for the passage of the fastening bolt, which are arranged at the level of the elongated slot of the connecting coupling, and if the elongated slot is longer than the distance between the adjacent retaining holes.
  • the fastening bolt can be arranged as close as possible to the impacting panel in the shifted area in order to keep lever arms and bending moments as small as possible.
  • a particularly expedient embodiment of the invention which can enable an almost infinitely variable adjustment of the column cross-section within the usual construction tolerances, can consist in that tooth gaps of toothing lying alongside one another are provided as rest points and the fastening bolt as an abutment has a cutting-shaped protrusion over its cross-section Has head, the cutting edge is arranged on the bolt side and in the use position in the tooth gaps at the edge of the slot fit.
  • Both longitudinal edges of the elongated hole can be provided with continuous recesses, serrations and tooth gaps and the cutting-shaped head can protrude from the bolt on both sides, so that a symmetrical force attack on the edges of the elongated hole and in particular also an increase in the form fit is achieved.
  • the toothing or the like only cooperates with a corresponding cutting-shaped abutment part on one longitudinal edge of the elongated hole, while the other edge of the elongated hole is smooth and the abutment is nevertheless additionally supported there.
  • the tooth gaps or locking recesses can be approximately rectangular incisions in cross section, the bisector of the right angles being perpendicular to the toothed surface of the coupling block, and the cross section of the cutting edge of the abutment of the anchoring bolt can correspond to that of the tooth gaps. This results in self-centering and alignment when the bolt is clamped, since the cutting edge is always drawn into the correspondingly shaped locking recess. In addition, lateral forces on the bolt can be safely transmitted or absorbed on both sides in the same way.
  • a column formwork results overall, in which the cross-section of the column to be formulated can be chosen practically as desired within the construction tolerances, but nevertheless the connection between the adjacent formwork panels can be made quickly and easily, but can transmit large forces. Elaborate additional holding wedges and the risk of excessive deformations in the coupling area are avoided, as is a permanent, permanent connection of the coupling to a formwork panel, so that the use of any formwork panels, such as can also be used for the formwork of walls, is possible.
  • a column formwork designated as a whole for rectangular in cross section in the exemplary embodiment Concrete pillars have four formwork panels 2, each of which is connected to the front side 3 of a formwork panel adjacent to the corner. This enables the cross-section of the column to be created to be changed in a known manner in that the end face 3 can strike at different locations on the adjacent formwork panel. Not only can this change the cross-section of square columns, it can also be used to form rectangular columns, which in turn can be formed with practically any cross-section.
  • connection coupling 4 acts on one formwork panel 2 in the area 2a switched past and on the other formwork panel 2 on the outside 2b thereof.
  • This connection coupling 4 engages on the one hand on stiffening webs 5 on the outside 2b of the formwork panel 2 near its end face 3, while on the other hand it shifts past the formwork panel 2 in the past with the help of a formwork 2 parallel to this formwork panel 2 and oriented transversely to the formwork panel 2
  • Area 2a anchored fastening bolt 6 can be fixed in the respective position.
  • the fastening bolt 6 passes through an elongated slot 7 on the connecting coupling 4 transversely to the orientation of this elongated slot 7 and overlaps on the side remote from the switching panel with the aid of an abutment 8 (cf. also FIG. 1 and 5), which can be brought into contact and braced against the connection coupling 4 by anchoring the fastening bolt 6 in the exemplary embodiment by means of a nut 9.
  • This connection means that the face of the formwork panel, which is blunt, is firmly against the switch Formwork panel can be tightened.
  • the connecting coupling 4 can transmit forces occurring in the direction of orientation of the switch panel switched over in a form-fitting manner and thus with great certainty without the need for additional anchoring parts on the fastening bolt 6 for this form-fitting connection.
  • the connecting coupling 4 has a coupling block 11a with the elongated slot 7, which can be releasably connected to the outside 2b of the one formwork panel 2 via a connecting strap 12, so that this formwork panel 2 is also available for other formwork purposes.
  • the coupling block 11 according to FIGS. 1 and 2 is supported against the bypassed continuation 2a of the formwork skin 13 of the bypassed formwork panel 2. This support is reinforced and secured by the tensile force applied to the fastening bolt 6 with the aid of the nut 9.
  • the ends of the elongated slot 7 are arranged within the dimension of the coupling block 11a, so that the shape of the elongated slot 7 is also stable with respect to an elongated slot which would run between two separate flat bars or profiles.
  • the switched-over region 2a of the formwork panel 2 has holding holes 14 lying next to one another in series for the passage of the fastening bolt 6 and also for anchoring it with the aid of the nut 9, which are arranged at the height of the elongated slot 7 of the connecting coupling 4.
  • the elongated slot 7 is preferably somewhat longer than the distance between the holding holes 14 lying next to one another or could also correspond exactly to this distance in terms of its length.
  • the dimensions of the column to be shuttered can be changed step-by-step in that the fastening bolt 6 can each be attached to a different holding hole 14 of the series of such holding holes 14 mentioned.
  • the intermediate distance between adjacent holding holes 14 can then be bridged and selected practically infinitely with the aid of the elongated slot 7, so that a practically infinitely variable change in cross-section of a column to be formed is possible.
  • adjacent tooth gaps of a toothing at the edge 10 of the elongated hole 7 can be provided as locking recesses 11, as can be seen well in FIG. 3.
  • the fastening bolt 6 has as a suitable abutment 8 a cutting-shaped head, projecting over its cross section, the cutting edge 15 according to FIG.
  • both longitudinal edges 10 of the elongated slot 7 are provided with continuous serrations and tooth gaps as locking recesses 11 and the blade-shaped head of the bolt projects beyond it on both sides.
  • the tooth gaps or rest stops 3 in cross section approximately rectangular incisions, the bisectors of the right angles being perpendicular to the toothed surface of the coupling block 11a.
  • the cross section of the cutting edge 15 of the abutment 8 of the anchoring bolt 6 corresponds to that of the tooth spaces 11.
  • many such recesses 11 can be arranged directly adjacent to one another, so that very small distances from recess 11 to recess 11 arise, which are still within the construction usual tolerances can be, so that different dimensions of a column to be shuttered can be selected practically continuously enlarged or reduced.
  • the depth of the recess 11 can be about 1 to 3 mm, preferably about 2 mm.
  • these recesses 11 can be arranged in relation to one another.
  • the surface of the coupling block 11a opposite the toothing is designed as a smooth abutment surface for contacting the formwork skin 13 of the area 2a of the formwork panel 2 switched past.
  • the coupling block 11a is fastened, in particular welded, to an abutment plate 16 which exceeds its width, which extends transversely to the elongated hole 7.
  • the thickness of the coupling block 11a in the direction of the fastening bolt 6 between the contact surface and the toothing corresponds to at least about a fifth or a quarter to a third of the length of the bolt 6 .
  • the coupling block 11a containing the long slot 7 is ent speaking stable, so that the undesired deformations of the elongated slot 7 are practically excluded.
  • the connecting tab 12 for connecting to the formwork panel 2 butting past the formwork panel 2 is fastened to a narrow side of the coupling block 11a arranged transversely to the extension of the elongated slot 7, is welded in the exemplary embodiment and projects with its cross section opposite this side, with its longitudinal extension, however, projects beyond the toothed area of the coupling block 11a and preferably has a plurality of coupling points, in particular perforations 17 for connecting to corresponding perforations 18 on a stiffening web 5 of the formwork panel 2.

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  • 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)
  • Glass Compositions (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Laminated Bodies (AREA)
EP87103121A 1986-03-21 1987-03-05 Coffrage avec panneaux pour colonnes Expired - Lifetime EP0237874B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103121T ATE57563T1 (de) 1986-03-21 1987-03-05 Saeulenschalung mit schaltafeln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3609610 1986-03-21
DE19863609610 DE3609610A1 (de) 1986-03-21 1986-03-21 Saeulenschalung mit schaltafeln

Publications (3)

Publication Number Publication Date
EP0237874A2 true EP0237874A2 (fr) 1987-09-23
EP0237874A3 EP0237874A3 (en) 1988-05-04
EP0237874B1 EP0237874B1 (fr) 1990-10-17

Family

ID=6296980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103121A Expired - Lifetime EP0237874B1 (fr) 1986-03-21 1987-03-05 Coffrage avec panneaux pour colonnes

Country Status (5)

Country Link
EP (1) EP0237874B1 (fr)
AT (1) ATE57563T1 (fr)
DE (2) DE3609610A1 (fr)
ES (1) ES2018489B3 (fr)
GR (1) GR3000948T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392106B (de) * 1985-01-11 1991-01-25 Bauunternehmung Ing Walter Lin Einrichtung zur herstellung von schaechten
US6676102B1 (en) * 2000-02-18 2004-01-13 Symons Corporation Adjustable modular form system and method for rectilinear concrete column form
CN106958348A (zh) * 2017-04-14 2017-07-18 青岛建集团有限公司 一种预制柱梁柱节点采用塑料模板构造

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827663A (zh) * 2020-07-14 2020-10-27 唐山市丰润区玥泰金属制品有限公司 一种墙体模板支撑装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE225191C (fr) *
GB282206A (en) * 1926-11-30 1927-12-22 George Joseph Cragg Improvements in clamping or binding appliances for the shuttering employed in casting concrete columns or pillars in situ
US1689078A (en) * 1927-03-18 1928-10-23 Russell G Mercer Clamp
US1929835A (en) * 1929-11-11 1933-10-10 Floor Accessories Company Inc Concrete insert
US2767609A (en) * 1952-06-24 1956-10-23 Ex Corp Spring urged nut having outwardly projecting teeth thereon
GB907377A (en) * 1958-06-24 1962-10-03 Kwikform Ltd Improvements relating to shuttering for use in forming a column, beam or like structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1832989U (de) * 1961-03-22 1961-06-15 Acrow Wolff G M B H Zwinge zur abschnittsweisen einruestung der schalung fuer langgestreckte baukoerper.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE225191C (fr) *
GB282206A (en) * 1926-11-30 1927-12-22 George Joseph Cragg Improvements in clamping or binding appliances for the shuttering employed in casting concrete columns or pillars in situ
US1689078A (en) * 1927-03-18 1928-10-23 Russell G Mercer Clamp
US1929835A (en) * 1929-11-11 1933-10-10 Floor Accessories Company Inc Concrete insert
US2767609A (en) * 1952-06-24 1956-10-23 Ex Corp Spring urged nut having outwardly projecting teeth thereon
GB907377A (en) * 1958-06-24 1962-10-03 Kwikform Ltd Improvements relating to shuttering for use in forming a column, beam or like structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392106B (de) * 1985-01-11 1991-01-25 Bauunternehmung Ing Walter Lin Einrichtung zur herstellung von schaechten
US6676102B1 (en) * 2000-02-18 2004-01-13 Symons Corporation Adjustable modular form system and method for rectilinear concrete column form
CN106958348A (zh) * 2017-04-14 2017-07-18 青岛建集团有限公司 一种预制柱梁柱节点采用塑料模板构造

Also Published As

Publication number Publication date
EP0237874A3 (en) 1988-05-04
GR3000948T3 (en) 1991-12-10
DE3609610C2 (fr) 1988-08-11
ES2018489B3 (es) 1991-04-16
DE3609610A1 (de) 1987-10-08
ATE57563T1 (de) 1990-11-15
EP0237874B1 (fr) 1990-10-17
DE3765559D1 (de) 1990-11-22

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