KR20060118832A - Structure of a fabricated mold and fabricating method thereof - Google Patents

Abstract

A connection structure for a prefab mold and a connection method thereof are provided to prevent respective panels from being bent and drooped, thereby achieving more uniform surface of a concrete structure. A connection structure for a prefab mold and a connection method thereof, comprises a sidewall panel(10), a slab panel(20), a corner reinforcing beam(30), a sidewall fixing member(40), and a slab fixing member(50). The sidewall panel is equipped with a vertical frame(11) arranged along the circumference thereof. The slab panel is equipped with a horizontal frame(21) arranged along the circumference thereof, in a manner that the horizontal frame is placed in an upper end of the sidewall panel. The corner reinforcing beam is disposed at an inner corner where the vertical frame and the horizontal frame are connected to each other, so as to reinforce the slab panel. The sidewall fixing member fixes the corner reinforcing beam to the vertical frame of the sidewall panel. The slab fixing member fixes the corner reinforcing beam to the horizontal frame of the slab panel.

Description

Fastening structure of prefabricated formwork and its fastening method {STRUCTURE OF A FABRICATED MOLD AND FABRICATING METHOD THEREOF}

1 is an exemplary view showing a fastening structure of a conventional prefabricated formwork.

2 is a bottom perspective view according to an embodiment of the present invention.

Figure 3a, 3b is an enlarged perspective view and cross-sectional view of the side wall fixing member according to an embodiment of the present invention.

Figures 4a to 4c is an enlarged perspective view and side cross-sectional view and front cross-sectional view of the slab fixing member according to an embodiment of the present invention.

5 is an exemplary view according to another embodiment of the present invention.

6 is an exemplary view according to another embodiment of the present invention.

* Description of the Related Art *

10 side wall panel 11 vertical frame

20: slab panel 21: horizontal frame

30: corner reinforcement table 40: side wall fixing member

43: support bracket 44: side wall pin bolt

45: fixing nut 46: wedge pin

50: slab fixing member 53: support bracket

54: slab pin bolt 55: tightening nut

The present invention relates to a fastening structure of a prefabricated formwork forming a concrete structure in construction or civil engineering, and a fastening method thereof. More specifically, the sidewall panel and the slab panel of the prefabricated formwork are firmly fastened, so that each panel is bent and deflected. The present invention relates to a fastening structure of a prefabricated formwork which can prevent the work process and can shorten the work process by easily fastening the sidewall panel and the slab panel, thereby reducing the material cost and the labor cost.

As is well known, the prefabricated formwork is used to form a concrete structure in construction or civil engineering. Looking at the configuration of such a prefabricated formwork, a sidewall panel having a vertical frame along an edge is connected to an upper end of the sidewall panel. The horizontal frame is composed of a slab panel provided along the edge.

Here, the conventional fastening structure for fastening the side wall panel and the slab panel, as shown in Figure 1, the connection panel 3 to connect the upper end of the side wall panel 2 and one end of the slab panel (1) And a coupling hole 3a is drilled in the connection panel 3 so that the wedge pins 4 fitted into the pin holes 2b and 1b respectively formed in the vertical and horizontal frames 2a and 1a are engaged. .

However, when the side wall panel 2 and the slab panel 1 are fastened in this way, the connecting panel 3 supports only one end of the slab panel 1, so that the slab panel 1 is lowered due to the load. The deflection phenomenon occurs, and the side wall panel 2 also has a problem that the warpage phenomenon and the bending phenomenon occurs due to the deflection phenomenon of the slab panel (1). Therefore, there is a problem that the surface of the concrete structure to be cured by the formwork is not formed uniformly.

In addition, since the side wall panel 2 and the slab panel 1 are fastened using the connection panel 3, the work of fastening the respective panels is not only inconvenient, but also the work process is delayed and productivity is lowered. there was.

In addition, when the side wall panel 2 and the slab panel 1 are connected to each other, the connection panel 3 must be used, which leads to an increase in material cost.

An object of the present invention is to devise to solve the conventional problems as described above, by fastening the side wall panel and the slab panel of the prefabricated formwork firmly to prevent the bending and deflection of each panel, the side wall panel and the slab The present invention provides a fastening structure of a prefabricated formwork capable of shortening a work panel by shortening a panel and thus reducing material cost and labor cost, and a method of fastening the same.

In order to achieve the above object, the fastening structure of the prefabricated formwork of the present invention includes a side wall panel provided with a vertical frame along an edge, a slab panel provided with a horizontal frame along an edge so as to be seated on an upper end of the side wall panel, and the side panel. Corner reinforcing bar arranged in the vertical frame and the horizontal frame connected to reinforce the slab panel connected with the side wall fixing member for fixing the corner reinforcing bar to the vertical frame of the side wall panel, Fixing the corner reinforcing bar to the horizontal frame of the slab panel It is configured to include a slab fixing member.

In addition, the fastening method of the prefabricated formwork of the present invention, in the fastening method of the prefabricated formwork for fastening the sidewall panel and the slab panel, (a) is provided along the edge of the slab panel at the upper end of the vertical frame provided along the edge of the sidewall panel. (B) arranging a corner reinforcement in an inner corner connected to the vertical frame and the horizontal frame to reinforce the slab panel connected to the side panel, and (c) the corner reinforcement to the vertical frame of the side wall panel. Fixing with a side wall fixing member, (d) is fixed to the horizontal frame of the slab panel with a slab fixing member.

Here, the side wall fixing member, the wedge pin is fitted into the pin hole formed in the vertical frame, the side wall pin bolt is coupled to the fastening hole formed in the vertical frame is provided with the fitting hole is fitted into the wedge pin, the side wall pin bolt is coupled to Combination hole is provided is composed of a support bracket for supporting the corner reinforcement to the vertical frame, and a fixing nut screwed with the pin bolt to fix the support bracket.

The support bracket of the side wall member may be implemented as a vertical piece having a coupling hole bored to support one surface of the corner reinforcement, and a horizontal piece formed integrally with the vertical piece so that one end thereof is supported by the vertical frame.

In addition, the horizontal piece is formed with a flow preventing groove in the end of the end supported by the vertical frame, the vertical piece is provided with a support piece to support the bottom of the corner reinforcement.

On the other hand, the support bracket is composed of a support piece that is bored with the through-hole coupled to the slab pin bolt to support the bottom of the corner reinforcement, and the support piece is formed integrally with the support piece, one end is supported on the horizontal frame.

The support bracket is preferably formed of a support piece having a through hole coupled to the slab pin bolt to support the bottom surface of the corner reinforcement and integrally formed with the support piece so that one end thereof is supported by a horizontal frame. .

In addition, the support piece is formed with a flow preventing groove at one end supported by the horizontal frame, the support piece is provided with a close contact with the back side of the corner reinforcement.

Hereinafter, the configuration of the present invention according to the accompanying drawings in detail as follows.

First, when it is determined that a detailed description of known functions and configurations related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

In addition, the following terms are set in consideration of the function of the present invention, which may vary depending on the intention and custom of the producer, the definition should be made based on the contents described throughout the present specification.

2 is a perspective view showing a main portion according to an embodiment of the present invention, Figure 3 is a side sectional view showing a main portion according to an embodiment of the present invention, Figure 4 is a plan view showing a main portion according to an embodiment of the present invention.

The fastening structure of the prefabricated formwork of the present invention, as shown in Figures 2 to 4b, the side wall panel 10 is provided with a vertical frame 11 along the edge, and the edge to be seated on the upper end of the side wall panel 10 The slab panel 20 is provided with a horizontal frame 21 along the corner, the corner is disposed in the corner connected to the vertical frame 11 and the horizontal frame 21 to reinforce the side panel 10 and the slab panel 20 Reinforcing bar 30, the side wall fixing member 40 for fixing the corner reinforcement 30 to the vertical frame 11 of the side wall panel 10, and the corner reinforcement 30 to the horizontal frame of the slab panel 20 It is characterized by the technical configuration that is configured to include a slab fixing member 50 to be fixed to (21).

First, a plurality of side wall panels 10 are disposed to be connected to be appropriate to the concrete structure to be poured, and this connection is implemented by a vertical frame 11 provided along the edge of the side wall panel 10. In addition, a pin hole 12 and a fastening hole 13 are drilled in the vertical frame 11 so that the wedge pin 46 and the side wall pin bolt 44 which will be described later are fitted therein.

The slab panel 20 is arranged to be connected to a plurality of side wall panels 10 to be appropriate to the concrete structure to be poured, such a connection is implemented by a horizontal frame 21 provided along the edge of the slab panel 20 do. In addition, the bottom of one side of the horizontal frame 21 is seated on the top of the vertical frame 11 of the side wall panel 10, the horizontal frame 21 so that the lynch pin (54a) of the slab pin bolt 54 to be described later is fitted. The pin hole 22 is drilled in the hole.

The corner reinforcing bar 30 is installed in the inner corner connected to the side wall panel 10 and the slab panel 20 to reinforce the slab panel 20, the corner reinforcing bar 30 is formed in a hollow shape having a rectangular cross section. The one side is in close contact with the vertical frame 11 of the side wall panel 10, the upper surface is disposed in close contact with the horizontal frame 21 of the slab panel 20.

The side wall fixing member 40 fixes the corner reinforcement 30 to the vertical frame 11 of the side wall panel 10, and the side wall fixing member 40 has a pin hole 12 formed in the vertical frame 11. Wedge pin 46 is inserted into the side, the side wall pin bolt 44 is provided with a fitting hole (44a) is fitted into the wedge pin 46 is coupled to the fastening hole 13 formed in the vertical frame (11), A coupling hole 41a coupled to the side wall pin bolt 44 is provided to support the corner reinforcement 30 to the vertical frame 11, and the side wall to fix the support bracket 43. It consists of a fixing nut 45 is screwed with the pin bolt (44).

Here, the wedge pin 46 is fitted into the pin hole 12 of the vertical frame 11 to fix the side wall pin bolt 44 to the vertical frame 11, on one side of which prevents the wedge pin 46 from being separated. The fixing hole 46a is drilled so that the fixing pin 47 is fitted.

In addition, one side of the side wall pin bolt 44 is formed with a fitting hole 44a into which the wedge pin 46 is fitted, and is coupled to the fastening hole 13 of the vertical frame 11, and on the other side, an external thread It is formed is coupled to the coupling hole (41a) of the support bracket 43.

In addition, the support bracket 43 supports the corner reinforcement 30 to be supported by the vertical frame 11, and the support bracket 43 is largely bent to the vertical piece 41 and the lower portion of the vertical piece 41. It consists of the horizontal piece 42 which becomes. The vertical piece 41 is provided with a coupling hole 41a coupled to the side wall pin bolt 44 to support the outer surface of the corner reinforcement 30, and to the vertical piece 41 to the horizontal piece 42. A flow preventing groove 42a is formed at one end to prevent the support bracket 43 from flowing from side to side.

In addition, the fixing nut 45 is screwed with the side wall pin bolt 44 to firmly fix the support bracket 43, the fixing bolt 45 is a butterfly nut to facilitate screwing the side wall pin bolt 44. It is preferable to be implemented as.

The slab fixing member 50 is to secure the corner reinforcement 30 to the horizontal frame 21 of the slab panel 20, such a slab fixing member is fitted into the pin hole 22 formed in the horizontal frame 21 A support for supporting the corner reinforcement 30 to be supported on the horizontal frame 21 by drilling a slab pin bolt 54 having a linch pin 54a and a through hole 52a to which the slab pin bolt 54 is coupled. Bracket 53 and the fastening nut 55 is fastened to the slab pin bolt 54 and screwed to secure the support bracket 53 to the horizontal frame 21.

Here, one side of the slab pin bolt 54 is provided with a linch pin (54a) to be fitted into the pin hole 22 of the horizontal frame 21, the other side is formed with an external thread on the outer periphery of the support bracket 53 through It is coupled to the ball 52a, the pinhole 54b is formed in the linch pin (54a) so that the escape preventing pin 56 is fitted to prevent the separation of the slab pin bolt 54.

In addition, the support bracket 53 supports the corner reinforcement 30 to be supported by the vertical frame 30, and the support bracket 53 is largely bent to the support piece 52 and the support piece 52 above. It consists of the support piece 51 which becomes. A through hole 52a coupled to the slab pin bolt 54 is drilled in the support piece 52 to support the bottom surface of the corner reinforcing bar 30, and the support piece 51 supports the horizontal frame 21. A flow preventing groove 51a is formed at one end to prevent the support bracket 53 from flowing from side to side.

In addition, the fastening nut 55 is screwed with the slab pin bolt 54 to securely support the support bracket 53, the fastening nut 55 is butterfly to facilitate screwing the slab pin bolt 54. It is preferable to implement the nut.

Meanwhile, FIG. 5 shows another embodiment of the present invention, and as shown, the support piece 41b supports the bottom surface of the corner reinforcement 30 in the vertical piece 41 of the support bracket 43. It is provided, such a support piece 41b is preferably formed integrally with the vertical piece 41.

In addition, Figure 6 is attached to show another embodiment of the present invention, as shown, the close contact piece in close contact with the outer surface of the corner reinforcement 30 to the support piece 52 of the support bracket 53 ( 52b) is provided, it is preferable that such a close contact piece (52b) is formed integrally with the base piece (52).

In the fastening structure of the assembled formwork of the present invention configured as described above, one side of the corner reinforcement 30 to the vertical frame 11 so that the upper end of the vertical frame 11 and the corner reinforcement 30 of the side wall panel 10 is the same. In a state of being in close contact, the side wall pin bolts 44 are coupled to the fastening holes 13 of the vertical frame 11, and then inserted into the fitting holes 44 a of the side wall pin bolts 44 through the pin holes of the vertical frame 11. The wedge pin 46 secures the side wall pin bolts 44.

Subsequently, when the coupling holes 41a of the support bracket 43 are coupled to the side wall pin bolts 44, one end of the horizontal piece 42 of the support bracket 43 supports the vertical frame 11, and the vertical piece One end of the 41 supports the outer surface of the corner reinforcement 30, and in this state, when the fixing nut 45 is screwed with the side wall pin bolt 44, the support bracket 43 is the corner reinforcement 30 Close contact with the vertical frame 11 side corner reinforcement 30 is fixed to the vertical frame (11). At this time, the support bracket 43 is prevented from flowing left and right due to the flow preventing groove (42a) for supporting one end of the vertical frame (11).

Next, the linch pins 54a of the slab pin bolts 54 are placed on one side of the slab panel 20 at the upper end of the vertical frame 11 of the side wall panel 10 where the corner reinforcing bars 30 are fixed. After inserting into the pin hole 22 of the horizontal frame 21, and coupled to the through hole 52a of the support bracket 553 to be coupled with the slab pin bolt 54, the support piece 52 of the support bracket 53 is The bottom surface of the corner reinforcement 30 is supported, and one end of the support piece 51 is supported by the horizontal frame 21. In this state, when the fastening nut 55 is screwed with the slab pin bolt 54, the support bracket 53 is in close contact with the corner reinforcing bar 30 toward the horizontal frame 21, and the corner reinforcing bar 30 is horizontal with the horizontal frame 21. It is fixed to).

Here, the release preventing pin 56 is inserted into the pinhole 54b formed in the linch pin 54a of the slab pin bolt 54 to prevent the slab pin bolt 54 from being separated.

Meanwhile, as shown in FIG. 5, when the support piece 41b is integrally formed on the vertical piece 41 of the support bracket 43 to support the bottom surface of the corner reinforcement 30, the corner reinforcement 30 is formed. Can be fixed more conveniently.

In addition, as shown in FIG. 6, when the close contact piece 52b is integrally formed on the support piece 52 of the support bracket 53 to closely contact the outer surface of the corner reinforcement table 30, the corner reinforcement table 30 is provided. ) Can be fixed more conveniently.

The preferred embodiment of the fastening method by the fastening structure of the prefabricated formwork configured as described above will be described in detail.

The fastening method of the prefabricated formwork of the present invention, in the fastening method of the prefabricated formwork for fastening the side wall panel 10 and the slab panel 20,

(A) mounting the horizontal frame 21 provided along the edge of the slab panel 20 to the upper end of the vertical frame 11 provided along the edge of the side wall panel 10,

(b) disposing the corner reinforcing bar 30 at an inner corner to which the vertical frame 11 and the horizontal frame 21 are connected to reinforce the side panel 10 and the slab panel 20;

(c) fixing the corner reinforcement 30 to the vertical frame 11 of the side wall panel 10 with the side wall fixing member 40;

(d) fixing the corner reinforcing bar 30 to the horizontal frame 21 of the slab panel 20 by the slab fixing member 50.

Here, in the step (a), the side wall panel 10 is installed perpendicular to the ground, and the bottom surface of one side of the slab panel 20 is seated on the upper end of the side wall panel 10, but the slab panel 20 is seated The end of the side wall and the end of the side wall panel 10 is located on the same line.

In the step (b), it is preferable to arrange the corner reinforcement 30 in close contact with the vertical frame 11 and the horizontal frame 21.

In the step (c), the side wall fixing member 40 fixing the corner reinforcing bar 30 may include a wedge pin 46 fitted into a pin hole 12 formed in the vertical frame 11, and the wedge pin 46. The fitting hole 44a is provided to be coupled to the side wall pin bolt 44 coupled to the fastening hole 13 formed in the vertical frame 11, and the coupling hole 41a coupled to the side wall pin bolt 44 It is provided with a support bracket 43 for supporting the corner reinforcement 30 to the vertical frame 11, and the fixing nut 45 is screwed with the side wall pin bolt 44 to fix the support bracket 43 It is preferred that it is implemented.

The slab fixing member for fixing the corner reinforcing bar in the step (d), the slab pin bolt 54 is provided with a lynch pin (54a) fitted into the pin hole 22 formed in the horizontal frame 21, and the slab pin A through hole 52a to which the bolt 54 is coupled is drilled to support the corner reinforcement 30 to be supported by the horizontal frame 21, and the support bracket 53 to the horizontal frame 21. It is preferable that the slab pin bolt 54 and the fastening nut 55 is fastened by screwing to be fixed.

Therefore, the side wall panel 10 and the slab panel 20 can be easily fastened while firmly supporting the slab panel 20 due to the corner reinforcement 30.

In addition, it is possible to reduce the work process by shortening the fastening step of the side wall panel 9100 and the slab panel 20 of the prefabricated formwork.

The foregoing descriptions are merely illustrative of one preferred embodiment, and the present invention is not limited to the above-described embodiments, and may be variously modified within the scope of the appended claims.

As described above, the present invention can firmly fasten the side wall panel and the slab panel to prevent the slab panel from sagging or bending a certain portion to improve the flatness of the slab panel, the slab panel and the side wall Not only can the user fasten the panel to shorten the work process, but also increase the productivity of the prefabricated formwork.

In addition, it is possible to securely fasten the side wall panel and the slab panel without using the conventional connection panel, which can greatly reduce the material cost, and it is very easy to assemble and disassemble the side wall panel and the slab panel, thereby reducing the labor cost. It is a useful invention.

Claims (11)

The side wall panel 10 is provided with a vertical frame 11 along the edge, Slab panel 20 is provided with a horizontal frame 21 along the rim so as to be seated on the upper end of the side wall panel 10, Corner reinforcing bar 30 is disposed in the corner connected to the vertical frame 11 and the horizontal frame 21 to reinforce the side panel 10 and the slab panel 20, A side wall fixing member 40 for fixing the corner reinforcement 30 to the vertical frame 11 of the side wall panel 10; Fastening structure of the prefabricated formwork comprising a slab fixing member 50 for fixing the corner reinforcement 30 to the horizontal frame 21 of the slab panel (20). The method of claim 1, The side wall fixing member 40, A wedge pin 46 fitted into a pin hole 12 formed in the vertical frame 11; Side wall pin bolts 44 are provided with fitting holes 44a into which the wedge pins 46 are fitted and coupled to the fastening holes 13 formed in the vertical frame 11. A support bracket 43 for supporting the corner reinforcement 30 to the vertical frame 11 is provided with a coupling hole (41a) is coupled to the side wall pin bolt 44, Fastening structure of the prefabricated formwork, characterized in that consisting of a fixing nut 45 is screwed with the side wall pin bolt 44 to fix the support bracket (43). The method of claim 2, The support bracket 43, A vertical piece 41 supporting the outer surface of the corner reinforcing bar 30 by drilling the coupling hole 41a, Fastening structure of the prefabricated formwork, characterized in that it is formed integrally with the vertical piece 41, one end is composed of a horizontal piece (42) supported by the vertical frame (11). The method of claim 3, wherein Fastening structure of the prefabricated formwork, characterized in that the horizontal piece 42 is formed with a flow preventing groove 42a at one end supported by the vertical frame (11). The method according to claim 3 or 4, The vertical piece 41 is a fastening structure of the prefabricated formwork, characterized in that the support piece (41b) is further provided to support the bottom surface of the corner reinforcement (30). The method of claim 1, The slab fixing member 50, Slab pin bolt 54 is provided with a linch pin (54a) that is fitted into the pin hole 22 formed in the horizontal frame (21), A support bracket 53 supporting the corner reinforcement 30 to be supported by the horizontal frame 21 by drilling the through hole 52a to which the slab pin bolt 54 is coupled; Fastening structure of the prefabricated formwork, characterized in that the support bracket 53 is composed of a fastening nut 55 that is fastened to the slab pin bolt 54 and screwed to fix the horizontal frame 21. The method of claim 6, Fastening structure of the prefabricated formwork further comprises a pinhole (54b) is formed so that the release preventing pin 56 is fitted to the linch pin (54a) to prevent the separation of the slab pin bolt (54). The method of claim 6, The support bracket 53 is, A support piece 52 for drilling the through hole 52a coupled to the slab pin bolt 54 to support the bottom surface of the corner reinforcement 30, Fastening structure of the prefabricated formwork, characterized in that the support piece 51 is formed integrally with the support piece 52, one end is supported on the horizontal frame (21). The method of claim 8, Fastening structure of the prefabricated formwork, characterized in that the support piece 51 is formed with a flow preventing groove (51a) at one end supported by the horizontal frame (21). The method according to claim 8 or 9, The supporting piece 52 is a fastening structure of the prefabricated formwork, characterized in that the contact piece 52b is further provided in close contact with the outer surface of the corner reinforcement 30. In the fastening method of the prefabricated formwork for fastening the side wall panel 10 and the slab panel 20, (A) mounting the horizontal frame 21 provided along the edge of the slab panel 20 to the upper end of the vertical frame 11 provided along the edge of the side wall panel 10, (b) disposing the corner reinforcing bar 30 at an inner corner to which the vertical frame 11 and the horizontal frame 21 are connected to reinforce the side panel 10 and the slab panel 20; (c) fixing the corner reinforcement 30 to the vertical frame 11 of the side wall panel 10 with the side wall fixing member 40; (d) a method of fastening the prefabricated formwork comprising the step of fixing the corner reinforcement 30 to the slab fixing member 50 to the horizontal frame 21 of the slab panel 20.

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