KR100355141B1 - Medium sized system form for wall - Google Patents

Abstract

It relates to a wall formwork used in the reinforced concrete construction, the frame 12 and the border frame (14a) having a semi-circular form-shaped bolt hole (14a) connected integrally to the periphery of the face plate (12) In order to arrange the formwork panel 10, and to form the other formwork panels on the rear side of the formwork panel 10 on a vertical plane, the girders 20A, 20B are rolled up, but this girders 20A , 20B is inserted through the belt connector 70 fastened to the side of the frame 10 of the formwork panel 10 and connected in the same plane, to support and move the belt sheets 20A and 20B at the same time. It comprises a moving frame (44) having a movable wheel (44) and a height adjusting jack (48) at the bottom, and the vertical strips (42) on which the strips (20A, 20B) are detachably mounted by bolt means. , By moving the pair of the moving frame 40 to face each other, Characterized in that groups form tie after inserting a form tie bolt 62, the bolt holes (14c) by a fastening nut 62 is configured to adjust the spacing of the opposing face plates 12.

Description

Medium Formwork for Walls {MEDIUM SIZED SYSTEM FORM FOR WALL}

The present invention relates to a wall formwork used in the construction of reinforced concrete, and in particular, the vertical portion and the horizontal portion of one layer of reinforced concrete structures should be cast at once, and the shape of the wall is arranged in a horizontal and vertical direction to be a large formwork. In the construction conditions that are difficult to dismantle and move, it integrates the formwork member to the range of the size that can be moved to minimize the repetitive work of disassembling / assembling the member, and to reduce the breakage occurring in the dismantling work and increase the number of reuse for the wall It's about formwork.

The wall formwork is a plate-shaped formwork faceplate and a reinforcement for supporting it so that it can maintain a predetermined wall shape against loads such as concrete lateral pressure, which acts until the hardened concrete hardens and develops a predetermined design strength. And a temporary material made of a long binding material and the like as a component.

Conventional formwork for walls includes: (i) conventional formwork, in which the formwork faceplate and the reinforcement are independent as separate members; And large formwork with integrated reinforcement and upper concrete workbench.

In the case of iii), it is highly adaptable to design change, but the assembly and disassembly is repeated every time it is reused, so that the amount of field work is increased. Since the size of the member that can be handled by one person is limited and additionally the reinforcement hypothesis is required, there is a limit in the reduction of disassembly-reassembly work in the field. In order to facilitate the construction, one floor structure is divided into horizontal parts and vertical parts to cast concrete. In this case, productivity may be reduced in concrete placing work and rebar anchoring work. .

The present invention was devised in view of the above circumstances, and the vertical and horizontal portions of one floor of reinforced concrete structures should be poured at the same time, and the shape of the wall is complicatedly arranged in the horizontal and vertical directions so that the large formwork is dismantled and In difficult-to-move construction conditions, formwork components can be integrated to a range of transportable sizes to minimize re-assembly and reassembly of the members and to reduce the breakage from dismantling operations to increase the number of reusable pieces. The object is to provide a medium formwork for walls.

Specific means of the present invention for achieving the above object,

A face panel 12 and a formwork panel 10 which is integrally connected to the periphery of the face plate 12 and is formed of a frame frame 14 having a semi-circular form tie bolt hole 14c around the periphery thereof,

In order to connect the other formwork panels on the vertical one plane on the rear side of the formwork panel 10, the girders 20A and 20B are rolled up, and the girders 20A and 20B are edges of the formwork panel 10. Inserted through the belt connector 70 fastened to the side of the frame 14 is connected in the same plane,

In order to support and move the belts 20A and 20B at the same time, the lower wheel is provided with a movable wheel 44 and a height adjustment jack 48, and the belts 20A and 20B are detachably mounted by bolt means. It includes a moving frame 40 having a vertical stand 42,

By arranging the pair of the moving frame 40 to face each other, insert the form tie bolt 62 into the form tie bolt hole (14a) and then fasten with a nut 62 to adjust the opposing gap of the face plate 12. Characterized in that configured to.

1 is a perspective view of a formwork panel applied to the present invention.

Figure 2a is a pair of perspective view of the band applied to the present invention.

Figure 2b is a perspective view of the connecting strip applied to the present invention.

Figure 3 is a front view of the belt connector applied to the present invention.

Figure 4a, 4b is a front view and a side view of a moving frame applied to the present invention.

5 is an installation state of the lower formwork applied to the present invention.

Figure 6a, 6b is a side view and a front view showing the side coupling and the band installation state of the formwork panel to be applied to the present invention.

Figure 7 is a state of engagement with a clip on the side of the formwork panel applied to the present invention.

Figure 8a, 8b is a side view and a front view showing a connection state of the strip is applied to the present invention.

<Explanation of symbols for the main parts of the drawings>

12: face plate 14: border frame

14c: Foam tie bolt hole 20A, 20B

40: moving frame 42: vertical stand

48: height adjustment jack 60: form tie bolt

50: lower formwork 51: base plate

54: lower gap blocking terminal 56: square steel pipe

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

In the present invention, two moving frames 40 shown in FIG. 4B face each other to form a wall space.

At this time, the formwork panel 10 is installed on the moving frame 40 side is shown in a perspective view in FIG.

The formwork panel 10 forms a unit formwork panel in a substantially rectangular shape, and is composed of a flat face plate 12 and a border frame 14, and the border frame 14 is connected to a neighboring formwork panel 10. The bolt hole 14a and the clip hole 14b are formed, and the form tie bolt hole 14c for inserting the form tie bolt 60 is inserted into the surface of the edge frame 14 locally as shown in FIG. 6B. Formed.

At this time, the semi-circle hole 14c is used as a hole through which one form tie bolt 60 is inserted, coinciding with a neighboring die panel side semi-circle hole.

In this case, the clip holes 14b are connected to each other between the adjacent formwork panels 10 using the clip 90 as shown in FIG.

On the rear side of the formwork panel 10, as shown in FIG. 4B, in order to connect other formwork panels on a vertical one plane and to support the force applied to the formwork panels, the strips 20A and 20B shown in FIG. 2A are provided. It is gibberish.

The strips 20A and 20B are inserted through the strip connector 70 of FIG. 3 fastened to the side of the frame 10 of the formwork panel 10 and connected in the same plane.

In order to support the strips 20A and 20B and simultaneously move the formwork panel 10, a moving frame 40 is provided as shown in FIGS. 4A and 4B.

The movable frame 40 is a device that allows a plurality of formwork panels 10 and a plurality of stages coupled to the back vertically aligned to be integrally combined to be installed, dismantled, and moved at once, and a lightweight H beam Two or more vertical bars 42 arranged at predetermined intervals from the material, and the bands 20A and 20B are coupled to each other by welding or bolting to the vertical bars 42, and the bands 20A and 20B are coupled to each other. And a connection belt length 41 which is coupled to the lower end of the angle 49 for the vertical pole 42 and connects the vertical poles to which the frame frame 14 of the formwork panel 10 is seated. Jack 48 installed at the bottom to adjust the height of the form set is coupled to the moving wheel 44 installed to be transported in the form set unit, U-shaped lifting ring installed on the top of the vertical stand 42 (42a) and to install steel pipe support (not shown) under formwork It comprises a hook 46 made of circular steel.

On the other hand, the lower formwork 50 is shown in Figure 5 in order to install the medium formwork set at the correct height, and to secure the lower space required when demolding the medium formwork set down.

The lower formwork 50 is a lower formwork face plate made by combining a galvanized steel sheet 53 and a flat iron 52 on the upper side thereof. In order to compensate for construction errors and design dimensions (wall height) of the lower floor concrete, the various forms are corrected. The base plate 51 is installed on the bottom by combining the plywood of thickness, and is installed on the base plate 51 so that the medium formwork panel 10 is installed at a predetermined height, and the lower formwork 50 is placed on the side pressure. It consists of a square steel pipe 56 for supporting against each other, and a lower gap blocking 54 for preventing the leakage of concrete by preventing a gap between the concrete surface of the lower floor and the lower formwork 50.

On the other hand, the connecting strip 22 in Figure 2b is installed between the two strips 20a of the adjacent form set as shown in Figure 2b for the horizontal alignment and connection between the medium form set is installed on the long wall surface In this case, the connection between the formwork panel 10 is made possible by selectively connecting the wedge pin 92 to the several pin holes 22a formed in the connecting strip 22 so that the length of the wall is different. Even if it is possible to use.

The assembly, disassembly and conveying action of the medium formwork set including the lower formwork of the present invention configured as described above will be described.

First, looking at the assembly of the medium formwork set, the formwork panels 10 are laterally joined to match the bolt holes 14a of the frame 14, and the formwork panel 10 and the strips 20A and 20B are illustrated in FIG. Coupling the three stripe connector (70) as a medium.

Combining the formwork panel 10 and the strips (20A, 20B) bolted to the strip connecting angle 49 of the movable frame 40 assembled as shown in Figure 4a, 4b to assemble the medium formwork set.

Next, the base plate 51 is installed by combining the plywood having various thicknesses by measuring the level of the lower floor concrete to have a predetermined height, and punched in the angle 55 attached to the rear surface of the lower formwork plate 50. After fixing the nail to the base plate 51 using a hole, the gap between the lower bottom concrete and the lower formwork is fixed to the bottom of the base plate 51 by nailing the lower gap blocking member 54 to the corner of the base plate 51. Complete

After moving the assembled medium-sized mold set to the feeding position, and then turn the lower jack 48 to raise the height of the set of the square steel pipe 56 of the lower formwork, and behind the lower formwork face plate 50 Place the square steel pipe 56 on the base plate 51 and fix it with a nail (see FIG. 5), adjust the height with the lower jack 48, and place the die set on the square steel pipe 56 of the lower formwork. It is fixed to the slab bottom with a nail through a hole drilled in the square steel pipe (56).

In order to maintain the gap between the wall formwork on both sides, as shown in Figure 6a, 6b between the two formwork at the position of the form tie bolt hole (14c) formed between the two panels 10, 10 adjacent to the border frame 14 Insert the through-type formwork PVC cone and pipe (77) and insert the form tie bolt (60) to tighten the wing nut (62) from behind the strips (20A, 20B).

Coupling between adjacent medium-sized mold sets is connected to the two mold sets by inserting the clip 90 into the clip hole 14b of the border frame 14 of the two-sided mold sets, which is in contact with each other, as shown in FIG. The 94 and the wedge pin 92 are used to combine with the strips 20A and 20B to maintain the horizontal alignment.

Then check the vertical of the wall formwork and install the braces with the usual steel pipe support.

When dismantling the next wall formwork,

When it is confirmed that the concrete placed on the wall is hardened and the predetermined strength is expressed, the steel pipe support (not shown) used in the brace and the form tie bolt 60 of FIGS. 6A and 6B are removed, and then the connecting strips 20A and 20B are used. Pull out the wedge pin 92 and the hook 94 of the, and turn off the clip 90 of Figure 7 installed on the rim frame 14 to loosen the connection between the adjacent die set,

Remove the nail fixing the square steel pipe 56 for supporting the lower formwork and hammer out the steel pipe 56, and then the jack under the moving frame 40 until the moving wheel 44 touches the concrete surface of the lower floor. Turn 48 to lower the medium formwork set along the lower formwork plate 50.

Next, the horizontal frame is moved to a position to be lifted to the upper layer by using the movable wheel 44 at the bottom of the movable frame 40, and the hook is hooked to the lifting ring 42a to lift to the upper layer and moved near the installation position. .

Clean the surface and other areas of the formal, and apply the release agent to prepare for the installation of the next layer.

The lower formwork is also demolded and prepared for the installation of the next floor.

As described above, according to the present invention, since the concrete of the horizontal part and the vertical part is poured at once, and a plurality of formwork members are integrated to assemble-release-move at once, the amount of work performed in the field is reduced, thereby improving productivity. In addition, the number of damages when dismantling into single parts is reduced, so the number of reuse of the formwork is increased, and the horizontal transportation of the medium formwork can be done by manpower. It has the advantage of adapting to the conditions.

Claims (2)

A face panel 12 and a formwork panel 10 composed of a frame frame 14 having a semicircular form tie bolt hole 14c that is integrally connected to a periphery of the face plate 12 and has a semicircular form tie bolt hole 14c, In order to connect the other formwork panels on the vertical one plane on the rear side of the formwork panel 10, the girders 20A and 20B are rolled up, and the girders 20A and 20B are edges of the formwork panel 10. Inserted through the belt connector 70 fastened to the side of the frame 14 is connected in the same plane, In order to support and move the belts 20A and 20B at the same time, the lower wheel is provided with a movable wheel 44 and a height adjustment jack 48, and the belts 20A and 20B are detachably mounted by bolt means. It includes a moving frame 40 having a vertical stand 42, By arranging the pair of the moving frame 40 to face each other, insert the form tie bolt 62 into the form tie bolt hole (14a) and then fasten with a nut 62 to adjust the opposing gap of the face plate 12. Medium formwork for walls, characterized in that configured to. The method of claim 1, A base plate 51 installed below the formwork panel 10, Square steel pipes 56 provided on the base plate 51 at predetermined intervals to counter side pressure, The medium formwork for the wall, which is disposed on the square steel pipe 56 and added to the formwork panel 10, the lower formwork 50, which is included as a lower gap blocking device 54 to prevent the leakage of concrete. .