DE1434472A1 - Sliding framework for a sliding formwork for erecting the outer wall of conical or truncated pyramid-shaped concrete structures - Google Patents

Description

Siemens - Bauunion München, the 1 EMAf 1963

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Sliding framework for a sliding formwork to erect the outer wall of conical or pyramid-shaped concrete structures

The invention relates to an in the hardened concrete anchorable and parallel to the building wall Climbing rods, pull-up sliding structure for a sliding formwork for erecting the outer wall of a conical or truncated pyramid Concrete buildings old - preferably from bottom to top decreasing wall thickness, d: äs from both sides over which to erecting building outer wall gripping double trestles and thus connected working platforms exists, with several accordingly

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the "IJmangsangs of the. ..; Buildings that are mutually displaceable on the double frames -, -.- - ^; attached" Selialtafein the. Gloitöchalung -form. Until now . the outer wall could be "" conical or pyramidal. ..-. "■ Concrete structures only erected with the help of climbing formwork -" -. "". will. As construction progresses, yes. ' the circumference of the outer wall of the Bamverkes and so far was' - no way, just by moving the Söhal "dine at slipforms against each other, as sun erecting ■ buildings with-decreasing wall thickness is already known a sliding form sufficient strength with the require. . high .. Making sary dimensional stability "for the installation of bridge piers with four or mehreekigen cross section has therefore been proposed to this -% n a combined sliding BZV / make climbing formwork method For this, the external formwork on vorankerten on the inner wall surfaces of the building climbing carriers is.. fastened through the concrete wall to be constructed and in the corners of the inner wall surfaces - triangular or trapezoidal, reversible climbing peeling elements are provided, along their vertical, limiting edges can be pulled up. The outside The wall of the building is therefore surrounded on the outside by climbing formwork; stage over the edge of the sliding Seilα of the inner formwork

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Constantly refilling concrete. The process thus combines the advantages of sliding and climbing formwork. However, after all these known systems and procedures • over pure sliding forms are always-even more complicated, and therefore require more Rüstmaterial and working hours, the invention relates to a building to the outside - _v ^ vand of conical or pyramidenstumpfförraigen concrete structures suitable sliding form that the avoids the above-mentioned disadvantages of the better known methods and systems. ErfindungsgetaUß 'Iflyd this in a Gleitgerüst for a sliding formwork for erecting the exterior wall of conical' is or pyramidenstumpfförnigen concrete structures with preferably from bottom to top ^v participating wall thickness selected from about to be erected building -Außenwand around intermeshing twin brackets and associated platforms, characterized achieves that the double jacks are guided over the concrete level by approximately horizontally running radial girders that are laterally stiffened against each other, jointly adjustable in the course of the construction progress by means of several actuating drives acting radially to the building axis at the two ends of a double jack, i.e. the upper and the lower end These adjusting drives are partly arranged tangentially on the building circumference and engage two adjacent double brackets, jfcteils are provided radially to the central axis of the building and then engage two diametrically opposite double brackets.

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It is advantageous that the double jacks superimposed radial girders at one end on a tension or pruck ring arranged approximately concentrically to the building axis anchored and alternately with each other through etv / a Tangentially extending tension or compression bars are connected ■ and a working platform stiffened like a framework wear. The radial supports can be made using Wedges are placed on the double trestles as a guide be, in the sense of achieving a curved, e.g. a parabolic_stroke of the outer wall of the building through

speaking change of inclination of the double goats in the course of the Construction progress. Appropriately, the an the, double girders articulated individual formwork panels of the sliding formwork by actuators against each other or against the Double jacks in the sense of achieving a wall thickness that changes from bottom to top should be adjustable ".

Further details of the invention emerge from a Exemplary embodiment shown in the drawing:

It show ■

Fig. 1 is a plan view of the structure with a rope the framework of the working platform and

Pig. 2 is a side view, partly in section, of FIG

Arrangement according to.! B ¹ Ig- * t, '-''''■""

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Fig. 3 shows the cross section or a plan view of a Detail of the concrete wall, together with the formwork in an enlarged view,

Fig. 4 · a front view of this section and jig. 5 shows a cross section along line Ö-D of Pig. 3.

Pig. 1 and Pig. 2 each show the dash-dotted line to the right line the wall 1 with the relatively large wall thickness d1 and the mean radius r1, which the wall is close to the Erdboden (Pig. 2 right) has "while on the left the dash-dotted line shows the wall 1 at a greater height of the building is where the thickness d2 of the wall and the mean radius r2 are already much smaller. The wall 1 should thus have a frustoconical taper, namely the mean diameter as well as the Y / and thickness should decrease with increasing height. "-.

In Pig. 2 on the right are formwork panels 16 and 18 in their lowest position (pushing against the concrete floor), in Pig. 2 on the left, however, in a position that you can then * - take when the concrete wall has already reached a certain height. The formwork walls 16 and 18 are from a scaffold worn, which also carries the work platforms 10 and 11. The scaffolding and the platforms 10 and 11 as well as the formwork 16,18 run circularly un the wall 1 and are through

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Climbing poles 9 worn, those in the already listed Concrete wall 1 are anchored. Pig '. 1 shows that a total of sixteen climbing poles 9 are arranged in the concrete are. It should only be mentioned here that these poles are assembled in a known manner from pieces five to six meters in length .be, -the- also recovered in the course of the construction progression can be.

A lifting device 8 is provided for each rod 9. These is indicated in Fig. 2 only quite scheraatically and consists, for example, of two parallel acting and with pressure oil. operated working cylinder mandrel 8a and 8b, the piston on the upper jaw 8c and the cylinder on the lower Attack the clamping jaw 8d in an articulated manner. All working cylinders 8a and 8b are controlled from a central point? the pressure fluid flows into the in Pig. 2 left, left indicated Sense up and down, the distance between the clamping jaws 8c and 8d is shortened. The jaws are set up so that thereby the cheek. 8a clamped on the rod 9 while the jaw 8d is pulled up. "Crossbars 8e are attached to the jaw 8d, each of which has two U-irons 2. carry, namely each rod 9 four U-irons 2, which together form the so-called double bracket, assigned in such a way that two bars 2 are on one side of the concrete wall and two bars 2 on the other side of the concrete wall (see in particular “Pig. 3).

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There are double jacks on these also the four U-Eis'en In auo Fig. 2 clearly shown below the working platforms and 11 attached, namely by means of longitudinal, transverse and diagonal bars. In addition, these Doppelböcko also carry the Suhaltafoln 15 and 17 », namely the 'crossbars 25 and 26, on those, the individual boards of formwork panels in fig. 3 and 4 are securely attached to the double bracket mean spindle 19 and 20 "adjustable, as later high on the basis of fig. 3 will be explained in detail. At their upper end, the individual double-pole blocks carry guide carriages 3 (! "Ig. 1,2), which supports each two Radial support 4 form on which in from Pig; 2, the upper working platform 7 is supported. The radial beams 4 are anchored to a ring 5 surrounding the building center axis. The cylindrical ring 5 is so from the ends the radial support 4 carried, whereby.dese on the guide carriage 3 rest radially displaceable. In the arrangement according to FIG. 2, stiffening ribs 41 are indicated, but which can also be omitted. The outer ends of the radial .beams 3 are indicated by tangential to the outer wall 1, also horizontally extending crossbars 6 against each other stiffened. · ■

The mode of operation of the hydraulic lifting device 8 is here also mentioned that after pulling up the lower clamping device 8d including double bracket, formwork and work platform

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the flow of the pressure medium is reversed, so that the oil flows into the lower half of the working cylinder and ' pushes up the piston rods with the upper clamping rings 8. In this case, the lower clamping ring 8d is on the Rod clamped while the upper clamping ring 8a to slides along the rod 9 in its upper end stub. In the next lifting step, the .öl. again in the direction indicated by the arrows supplied and discharged, so that the lower clamping ring 8d with 'the entire climbing formwork and the work platforms are lifted one step higher.

So there are those provided on the sixteen climbing poles Sixteen hydraulic lifting devices are jointly controlled from a central gallery in such a way that they move the double pole blocks with the formwork and platforms one step at a time lift from 30 to 50 cm. ': /

Since in the course of the construction progress the building diameter rT bsw. r2 and the wall thickness ".dl or d2 will decrease when lifting the skeleton and the associated the rest of the set-up parts, the double racks 2 by hand-operated - Winding spindles 12. and adjusting rods 13 and H to the Bamverks center axis und.the formwork panels 15 to 18 also through manually operated actuators 19, 20 adjusted against one another to reduce the wall thickness. To reduce the circumference

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to enable the sliding formwork "" possesses this from Pig. 3 to 5 obvious training and adjustment. The wall 1 has, within the area shown in FIGS. 3 and 4, on its inside two panels 17 and one in between Panel 10 and on its outside two panels and a panel 16 in between. Between the boards 17 and 18 gape gap 22 and between the panels 16 and 15 gap 21. The gaps 22 are each made by a sheet 24 and the column 21 each closed by a plate 23. The sheets are like Pig. 4 and 5 can be seen, crimped at their upper edge so that they have an edge on the adjacent formwork panels.

As construction progresses, the diameter of the to erecting concrete wall smaller, the formwork panels must then be pushed together accordingly in the tangential direction so that the gaps covered by the metal sheets are narrower will. The panels are pushed together by shortening them the rods 13 (on the outside of the wall) and the Rods 14 (on the inside of the wall).

Pig. 3 shows on the left the cross-sections of the four U-irons 2, which form the left double pole, and on the right side four more U-irons 2, which are the next Embody Doppelbock. As mentioned above, everyone will Climbing pole 9 carried such a double buck. On the

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On the inside of the wall, the bars 29 and 30 are attached directly to the Ü iron 2, onto which the boards * of the formwork panels 17 are nailed. On the on the ^; Inside of the wall lying bars 2 of the Dqppelbocks'; · Connectors 40 are welded onto that in their side walls. There are round holes through which the positioning rods 14 are inserted. These control rods 14 have threads at their ends, onto which nuts 14a are screwed. By screwing these nuts, the rods 14 can be brushed so that the formwork panels 17 carried by the bars 29 and 30 are pushed closer to the formwork panel 18 between them: . The gaps 22 between the panels are reduced in size.

Similarly, those on the outside of the wall can also be used lying formwork panels 15 by means of the

sehonen rods 13 pushed together in the tangential direction so that they are covered by the sheets 23 while reducing the size. Column 21 more and more of those in between Approach form panel 16. Like .. from Pig. 4 and 5 possible, the bars 27 and 28 of the middle panel are on the bars 25 and 26 of the U-irons 2 of the double block panels 15. üniTden Holmen 25 and 26 der Peeling panels 15 are attached to U-rails 33, e.g. screwed on, which prevent the spars 27 and 28 of the middle Formwork panels 16 slide off the spars of formwork 17

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can. The. Rods 13 are just like the rods H on their ends are threaded and secured by means of Lugs 41 inserted, which are welded to the U-iron 2 are. The traverses 42 are also attached to these U-irons, in a small frame 43 by means of a spindle 44 are mounted displaceably parallel to themselves. The frames 19 carry the spars 25 and 26 of the formwork panels 15. The spindle 44 is freely supported in the frame 19, while the spindle nut is firmly connected to the cross-member 42 is. When the spindle is rotated by means of the hand crank 19a, the frame moves within the traverse, so that the formwork panel 15 the formwork panel 17 approaches more and more. It leaves So adjust the wall thickness dl with the spindle 44.

Since in the embodiment a total of sixteen climbing poles with sixteen double brackets 4 are provided, so a total of thirty-two adjustment spindles 44 are for Adjustment of the sixteen formwork panels 15 available. It is not necessary to set the wall thickness dt after each stroke the formwork. In general it will suffice if ■ the wall thickness for every third or fourth climbing lift, So at height intervals of about one meter, newly set will. The shortening of the tangential rods 13 and However, if possible, should be done after each climbing step, so that the inner one formed from the formwork panels 17 and 18 Formwork belt, like the one from formwork panels «15 and 16

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formed outer formwork belt with the overall height possible becomes steadily narrower. .,;: ■ . "■. ■ '...

The. Correct vertical erotcllung deo Bauwerlco seibat can be ensured by _x plumbing or other measuring devices provided in the central axis of the outer wall 1, these constantly index the vertical. Hochgloiten des DrucktT. Monitor pull ring 5. -

7 patent claims
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Claims (7)

- 13 "'. Ψ434472 PA 9/460/131 ■. Claims On climbing poles that can be anchored in the set concrete and run parallel to the building surface, sliding scaffolding can be pulled up for a sliding formwork to erect the outer wall of conical or truncated pyramid-shaped concrete structures (with wall thicknesses preferably decreasing from bottom to top /, the Outer wall encompassing double frames and associated working platforms, with several formwork panels attached to the double frames which can be displaced relative to one another in accordance with the change in the circumference of the building caused by the progress of construction forming the sliding formwork, characterized in that the double frames (2) above the concrete surface by approximately horizontally extending and laterally against each other stiffened radial beams (4) out, together in the course of the construction progress by means of several each at the two ends of a double block (2) - so the head and foot ^: ends - engaging adjusting drives (12 to 14) radially to the building se are adjustable, whereby these adjusting drives (1.2 to 14) are partly arranged tangentially on the "circumference of the building • and attack two adjacent double brackets (2), are partly provided radially to the building center axis and then attack two diametrically opposite double brackets (2). ' .-14 «80 & 8Ϊ7 / 0132 BAD ORIGINAL 2. sliding frame according to claim 1, characterized in that the radial girders (4) placed on the double brackets (2) one end about in the G-ebäuderaittc at one to the building center line concentrically arranged pressure or pull ring (5) anchored and connected to each other at the other end by approximately tangential transverse beams (6) and - Carrying a work platform / (7) stiffened in a factory manner, whereby which, at about the height of this working platform (?) on the double * buck (2) engaging actuators (12) radially inward directed at the working platform (7) or the pressure or or Pull ring (5) and the at the foot of the double blocks (2) acting outside and / or inside the building -Aue sen-- " wall (1) provided adjusting drives (13, H) each on two length of the building \ 7erks-Außen'env / and ■ (1) · adjacent double trestles (2) are hinged. \ ~ ■. "'- 3. A sliding structure according to claim T or 2, characterized in that the radial girders (4) are supported on the double blocks (2) using wedges as guiding means, in order to achieve a curved, for example, a parabolic approach of the building «Äußenwahd (1) by ent * Speaking inclination of the double bend (2) in the iaufe des. BaufortsehrittD. - -15- 9 ^ $ 817 / 0ΐ32 '. ^ DÖft ^ M- PA 9/460/131. 4. sliding frame according to claim: 1, 2 or 3, characterized in that that the hinged to the Uoppelböcken (2) individual scarf panels (15 to 18) of the sliding formwork by actuators (19,20) against each other or against the Eoppclböckc (2) in the sense of achieving one from below upward changing wall thickness (d1 to d2) adjustable are. "" - 5. sliding frame according to claim 1, 2, 3 or 4 »characterized in that that threaded spindles (12 to 14) as S ^ eIltriebe planned 3ind » 6. Method of erecting the outer wall of conical or Truncated pyramidal concrete structures using the sliding frames B described in claims 1 to 5 ', characterized in that each after reaching one larger section of the structure to be built by * Replace the Schaltafoln (15 to 18) together with the Ring spars (25 to 32) the reduced overall circumference and the larger arch stitch can be taken into account for the parts to be replaced is.. 7. Sliding frame according to claim 2 or the following, characterized in that that the material can be transported through the opening in the pressure or pull ring (5), BATH 909817/0132