KR102119106B1 - Line forming apparatus for exposed concrete wall - Google Patents

Abstract

The present invention relates to an apparatus for forming joints of an exposed concrete wall, capable of forming joints at accurate positions of a concrete wall at regular intervals. According to the present invention, the apparatus for forming joints of the exposed concrete wall comprises: at least one joint supporting part fixed to the front surface of a base plate; at least one width supporting part fixed to the front surface of the base plate in a first direction; at least one length supporting part fixed to the front surface of the base plate in a second direction; at least one width line bar; and at least one length line bar.

Description

{LINE FORMING APPARATUS FOR EXPOSED CONCRETE WALL}

The present invention relates to a joint forming device for exposed concrete walls and a formwork panel comprising the same.

More specifically, the present invention relates to an apparatus for forming joints in an exposed concrete wall and a formwork panel comprising the same for forming joints of a straight shape sufficiently straight at an exact position in the exposed concrete wall.

Today, most building structures are constructed using concrete.

In recent years, exposed concrete (Exposed Concrete) method is used to express a solid and solid texture by revealing the original shape of concrete.

The exposed concrete construction method is a construction finishing technique that reveals the concrete properties of the basic framework that constitutes the structure of the exterior wall (exterior) when constructing a structure such as a building or retaining wall.

The exposed concrete industry is a construction method that shows the finish with the color and texture of the concrete itself, and it can be said to be an architectural form that emphasizes the unique beauty and profoundness of the concrete itself by exposing the form after removing the concrete. have.

In this exposed concrete construction method, there is an advantage in that maintenance is easy because a separate plaster does not enter the concrete wall.

In the conventional exposed concrete construction method, there was a problem in that the uneven surface or irregular lines are formed after the formwork is removed, thereby reducing the vibrancy and regularity of the concrete structure and deteriorating the completeness of the building.

For this reason, in the conventional exposed concrete construction method, there was a hassle and inconvenience of performing a surface repair work, and there was a problem that time and cost increased.

As a prior art for the exposed concrete construction method to solve such a problem, in Korean Patent Registration No. 10-1717737 [Document 1], a double-sided adhesive tape or screw is used on the surface of a gang form (corresponding to a formwork panel) to form a joint. Posting a technical configuration to fix).

However, in the technique according to document 1, there is no publication of a technical configuration of aligning the joints installed in the horizontal direction and the joints installed in the vertical direction.

Therefore, in the technique according to Document 1, there is a problem that it is difficult to precisely set the positions where the joints cross each other.

As another conventional technique for the exposed concrete construction method, in Korean Registered Patent Publication No. 10-1308043 [Document 2], a technical configuration in which a plurality of concave bar forming convex bars (corresponding to a joint bar) is combined with a formwork body (corresponding to a formwork panel) Post it.

In addition, Document 2 further discloses a technical configuration in which the convex rods for forming four concave lattices cross each other.

However, in the technique according to Document 2, there is a problem that it is difficult to precisely set the position where the convex rods for forming four concave ridges intersect.

[Document 1] Republic of Korea Patent Registration No. 10-1717737 [Document 2] Republic of Korea Patent Publication No. 10-1308043

An object of the present invention is to provide a formwork panel and a formwork panel comprising the exposed concrete wall for forming the joints precisely and to form uniform joints.

Apparatus for forming a joint of an exposed concrete wall according to the present invention includes at least one joint supporting part fixed to a front surface of a base plate; At least one horizontal supporting part fixed to a first direction of a horizontal direction on a front surface of the base plate, and at least one end connected to the joint support; At least one longitudinal supporting part fixed to a second direction intersecting the first direction in the horizontal direction on the front surface of the base plate and having at least one end connected to the joint support; At least one horizontal joint bar coupled to the horizontal support portion and including a portion in which a width decreases toward a vertical direction intersecting the horizontal direction and at least one end coupled to the joint support portion ( Width Line Bar); And at least one vertical line bar coupled side by side to the vertical support, including a portion in which the width decreases toward the vertical direction, and at least one end of which is coupled to the joint support; Including, but, the joint support is a first area (First Area), a second area facing the first area (Second Area), the first area and the third area adjacent to the second area (Third Area) And a fourth area adjacent to the first area and the second area and facing the third area, wherein the first area includes a first width line among the horizontal line bars. A first horizontal line connecting part corresponding to a bar) is formed, and a second horizontal line connecting part corresponding to a second horizontal line bar among the horizontal line bars is formed in the second area. (Second Width Line Connecting Part) is formed, and in the third region, a first length line connecting part corresponding to a first length line bar is formed in the third area. , In the fourth area, a second vertical line connecting part corresponding to a second vertical line bar among the vertical joint bars is formed, and the joint support part is the first horizontal joint The first horizontal joint bar, the second horizontal joint bar in an area that is covered by the second horizontal joint bar, the first vertical joint bar, and the second vertical joint bar and overlaps the joint support. , At least two of the first vertical joint bar and the second vertical joint bar may be adjacent to each other.

The apparatus for forming a joint of an exposed concrete wall according to the present invention and a formwork panel comprising the same have an effect capable of forming joints at uniform intervals at an exact position on the exposed concrete wall.

1 to 2 is a view for explaining a formwork panel including a joint forming device of the exposed concrete wall according to the present invention.
3 to 4 are views for explaining the joint support.
5 to 8 are views for explaining the horizontal support, the vertical support and the joint support.
9 to 10 are views for explaining a joint bar.
11 to 12 are views for explaining a method of installing a joint bar.
13 to 17 are views for explaining another form of a joint bar and a joint support.

Hereinafter, with reference to the accompanying drawings will be described in detail for the joint forming apparatus and the formwork panel comprising the exposed concrete wall according to the present invention.

The present invention can be applied to various changes and can have various embodiments, and specific embodiments will be illustrated in the drawings and described in detail in the detailed description. This is not intended to limit the present invention to specific embodiments, and can be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. The terms may be used only for the purpose of distinguishing one component from other components. For example, the first component may be referred to as a second component without departing from the scope of the present invention, and similarly, the second component may be referred to as a first component.

The term and/or may include a combination of a plurality of related described items or any one of a plurality of related described items.

When a component is said to be "connected" or "connected" to another component, it may be directly connected to or connected to the other component, but other components may exist in the middle. Can be understood. On the other hand, when a component is referred to as being “directly connected” or “directly connected” to another component, it can be understood that no other component exists in the middle.

The terms used in this document are only used to describe specific embodiments and are not intended to limit the present invention. Singular expressions may include plural expressions unless the context clearly indicates otherwise.

In this document, terms such as “include” or “have” are intended to indicate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, one or more other features. It may be understood that the existence or addition possibilities of fields or numbers, steps, operations, components, parts or combinations thereof are not excluded in advance.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. Terms, such as those defined in a commonly used dictionary, may be interpreted as having meanings that are consistent with meanings in the context of related technologies, and are interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. It may not be.

In addition, the embodiments disclosed in this document are provided to more fully explain to those of ordinary skill in the art, and the shapes and sizes of elements in the drawings may be exaggerated for clearer explanation.

In describing the present invention in this document, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description may be omitted.

Hereinafter, the first direction (DR1) intersects (vertical) with the second direction (DR2) and the third direction (third direction), and the second direction (DR2) is the third direction (DR3). ) And cross (vertical).

Here, the first direction DR1 and the second direction DR2 may be collectively referred to as a horizontal direction. In addition, the first direction DR1 may be referred to as a width direction, and the second direction DR2 may be referred to as a length direction.

In addition, the third direction DR3 may be referred to as a vertical direction or a height direction.

1 to 2 is a view for explaining a formwork panel including a joint forming device of the exposed concrete wall according to the present invention.

Referring to FIG. 1, a formwork panel (10A, hereinafter referred to as a'panel') including a joint forming device of an exposed concrete wall according to the present invention is provided on a base plate (20) and a base plate (20). It may include a joint forming device (10, hereinafter referred to as'joint forming device') of the exposed concrete wall disposed.

The base plate 20 may provide a basic frame for the panel 10A. The base plate 20 may serve to contain concrete having fluidity during the process.

The joint forming apparatus 10 may form joints on a concrete wall. To this end, the joint forming device 10A may be disposed on the front surface of the base plate 20.

In FIG. 1,'before' and'after' of the panel 10A are indicated.

The front surface (front) of the panel 10A may face a space where concrete is poured. Accordingly, the rear surface (rear surface) of the panel 10A may face the outside.

A plurality of panels 10A of this type may be woven to form a formwork.

The joint forming device 10 installed on the base plate 20 includes at least one joint supporting part (100), at least one supporting part (200), and at least one joint line (Width Line Bar, 300). ).

The joint support 100 may be fixedly disposed on the front surface of the base plate 20.

The joint support 100 may be disposed at a point where the joint bars 300 intersect. In addition, the joint support 100 may securely fix the end of the joint bar 300 at a position where the joint bars 300 intersect.

The support part 200 is fixedly arranged on the front surface of the base plate 20, and its end may be connected to the joint support part 100.

The support part 200 may support an intermediate portion between both ends of the joint bar 300.

The support part 200 may include a horizontal support part (210) and a vertical support part (Length Supporting Part, 220).

The horizontal support 210 is fixed to the front of the base plate 20 in the first direction (horizontal direction) of the horizontal direction (First Direction, DR1) (or horizontal direction (Width Direction)), at least one end of the joint support ( 100).

The vertical support 220 is fixed to the front of the base plate 20 in a second direction (or second direction) (or longitudinal direction) that intersects the first direction DR1 among the horizontal directions, and at least one side The end may be connected to the joint support 100.

At least one end of the joint bar 300 is fastened to the joint support portion 100, and at least a portion of an intermediate portion between both ends of the joint bar 300 can be fastened to the support portion 200.

The joint bar 300 is not directly connected to the base plate 20, and may be supported by the joint support 100 and the support 200.

The joint bar 300 may include a horizontal line bar (310) and a vertical line bar (Length Line Bar, 320).

The horizontal joint bar 310 is coupled to the horizontal support 210 side by side among the support parts 200, and includes a part in which the width decreases toward the vertical direction crossing the horizontal direction (3rd direction DR3). And, at least one end may be coupled to the joint support (100).

The vertical joint bar 320 is coupled to the vertical support portion 220 side by side of the support portion 200, and includes a portion that decreases in width in the vertical direction (third direction DR3), and at least one end of the joint support portion It can be coupled to (100).

The horizontal support 210, the vertical support 220, the horizontal joint bar 310, and the vertical joint bar 320 may all be connected to the joint support 100.

As described above, the joint support portion 100, the horizontal support portion 210, and the vertical support portion 220 are strongly fixed to the front surface of the base plate 10 using fastening means such as screws to complete a basic shape, and thereafter The joint bar 310 and the vertical joint bar 320 may be fastened to the joint support 100, the horizontal support 210, and the vertical support 220.

Accordingly, it is easy to fasten various types of joint bars 300 before construction, and it is easy to remove the joint bars 300 after construction, thereby reducing the time required for the process.

In addition, it is possible to prevent deformation of the joint bars 300 due to the pressure of concrete when pouring concrete by sufficiently supporting the middle portion of the joint bars 300 as well as the intersection positions of the joint bars 300. Accordingly, it is possible to form joints in a uniform pattern and a uniform shape on the concrete wall.

Hereinafter, the joint forming apparatus 10 will be described in more detail.

3 to 4 are views for explaining the joint support. Hereinafter, a description of the parts described in detail above may be omitted.

Referring to Figure 3, the joint support 100 is a first area (First Area, AR1), a second area (Second Area, AR2), a third area (Third Area, AR3) and a fourth area (Fourth Area, AR4) Can be divided into: Here, the first area AR1, the second area AR2, the third area AR3, and the fourth area AR4 are virtual areas arbitrarily set, and division of these areas does not limit the present invention. Can be.

The second area AR2 may be an area facing the first area AR1.

The third area AR3 may be an area adjacent to the first area AR1 and the second area AR2.

It may be an area adjacent to the fourth area AR4 and the first area AR1 and the second area AR2 and facing the third area AR3.

The joint support 100 may include a plurality of line connecting parts 110 (110a, 110b, 110c, 110d) for connecting the plurality of joint bars 300.

The joint connection part 110 may include a protruding part protruding in a vertical direction (third direction DR3) from the base part 101.

These joints 110 include a first horizontal line connecting part (110a), a second horizontal line connecting part (110b), and a first vertical line connecting part (110c). ) And a second vertical line connecting part (110d).

Here, the first horizontal joint connection portion 110a is formed in the first area AR1 of the joint support portion 100 and corresponds to the first horizontal line bar 310TA among the horizontal joint bars 310. Can be. That is, the first horizontal joint bar 310TA may be connected to the joint support 100 through the first horizontal joint connection 110a.

The second horizontal joint connection part 110b is formed in the second area AR2 of the joint support part 100 and may correspond to a second horizontal line bar (310TB) of the horizontal joint bars 310. .

The first vertical joint part 110c is formed in the third area AR3 of the joint support 100 and may correspond to a first vertical line bar (320TA) of the vertical joint bars 320. .

The second vertical joint 110d is formed in the fourth area AR4 of the joint support 100, and may correspond to a second vertical length line bar (320TB) of the vertical joint bars 320. .

Here, although the joint connection portion 110 is described as having a protruding shape, any shape may be possible as long as the joint connection portion 110 can connect the joint bar 300. For example, the joint connection 110 may be a hook, a groove or a hole.

In addition, the joint support 100 may further include a supporting connecting part 120 for connecting the horizontal support 210 or the vertical support 220.

The support connecting part 120 includes a first horizontal supporting connecting part (120a), a second horizontal supporting connecting part (120b), and a first vertical supporting connecting part (120c). And it may include a second vertical support connecting portion (Second Length Supporting Connecting Part, 120d).

In FIG. 3, due to the structural shape of the joint support 100, at least a portion of the second horizontal support connection 120b and/or the second vertical support connection 120d may not be exposed.

The first horizontal support connecting portion 120a is formed in the first area AR1 of the joint support 100 and may correspond to a first width supporting part (210TA) of the horizontal support 210. That is, the first horizontal support connection part 120a may serve to connect the first horizontal support part 210TA to the joint support part 100.

The first horizontal support connecting portion 120a is formed at the left and right ends of the first horizontal extension portion 121a and the first horizontal extension portion 121a extending from the base portion 101 in the first direction DR1 among the horizontal directions. A vertical direction (first) from the first horizontal extension 121a in the region between the first vertical extensions 122a and the two first vertical extensions 122a, respectively, extending in the vertical direction (third direction DR3). It may include at least one first vertical protrusion (123a) extending in three directions (DR3).

The second horizontal support connecting portion 120b is formed in the second area AR2 of the joint support 100, and may correspond to a second width supporting part (210TB) of the horizontal support 210.

The second horizontal support connecting portion 120b is formed at the left and right ends of the second horizontal extension portion 121b and the second horizontal extension portion 121b extending from the base portion 101 in the first direction DR1 among the horizontal directions. Each vertical direction (third direction DR3) extends in the vertical direction from the second horizontal extension 121b in the region between the second vertical extension 122b and the two second vertical extensions 122b, respectively. It may include at least one second vertical protrusion (123b) extending in the three direction (DR3).

The first vertical support connection part 120c is formed in the third area AR3 of the joint support part 100 and may correspond to a first length supporting part (220TA) of the vertical support parts 220.

The first vertical support connecting portion 120c is provided at the left and right ends of the third horizontal extension portion 121c and the third horizontal extension portion 121c extending from the base portion 101 in the first direction DR1 among the horizontal directions. The vertical direction (third) from the third horizontal extension 121c in the region between the third vertical extension 122c and the two third vertical extensions 122c, respectively, extending in the vertical direction (third direction DR3). It may include at least one third vertical protrusion (123c) extending in the three direction (DR3).

The second vertical support connection part 120d is formed in the fourth area AR4 of the joint support part 100 and may correspond to a second vertical support part (220TB) of the vertical support part 220.

The second vertical support connecting portion 120d is formed at the left and right ends of the fourth horizontal extension 121d and the fourth horizontal extension 121d extending from the base 101 in the first direction DR1 among the horizontal directions. The vertical direction from the fourth horizontal extension portion 121d in the region between the fourth vertical extension portion 122d and the two fourth vertical extension portions 122d, respectively, extending in the vertical direction (third direction DR3). It may include at least one fourth vertical protrusion 123d extending in three directions DR3).

In addition, the joint support portion 100 may further include a first fastening hole 130 formed in the vertical direction (third direction DR3) in the base portion 101.

The first fastening member (FM1), such as a screw, can securely fix the joint support 100 to the base plate 20 through the first fastening hole 130 as shown in FIG. 4.

The joint support 100 described above may have an approximately cross shape.

The identification code'H1' not described in FIG. 4 may mean a hole through which the first fastening means FM1 formed in the base plate 20 passes.

Hereinafter, the horizontal support 210 and the vertical support 220 connected to the joint support 100 will be described.

5 to 8 are views for explaining the horizontal support, the vertical support and the joint support. Hereinafter, a description of the parts described in detail above may be omitted. Hereinafter, in the case where the parts are equally applied to the horizontal support 210 and the vertical support 220, the horizontal support 210 and the vertical support 220 will be collectively referred to as the support 200.

Referring to Figure 5, the support 200 is a horizontal direction (first direction (DR1) or second direction (DR2)) located at both ends of the end connecting portion (End Connecting part, 230), both ends connecting portion 230 ) Between the at least one fastening part (Fastening Part 240) and the end connection part 230 and the fastening part 240 or between the fastening parts 240 middle part (Middle Part, 250).

The end connection portion 230 may be connected to the support connection portion 120 of the joint support portion 100. In the case of the horizontal support portion 210, the end connection portion 230 may be connected to the first horizontal support connection portion 120a or the second horizontal support connection portion 120b. Alternatively, in the case of the vertical support 220, the end connection portion 230 may be connected to the first vertical support connection 120b or the second vertical support connection 120d.

The end connection portion 230 is a first extension portion (First Extended Part, 232) extending from the end of the intermediate portion 250 toward the front of the base plate 20 in the vertical direction (third direction (DR3)), From the ends of the first extending portion 232 to the second extending portion (Second Extended Part, 233) and the second extending portion 233 extending in the horizontal direction (first direction (DR1) or second direction (DR2)) It may include at least one connection hole 231 is formed.

The fastening part 240 may serve to fasten the support part 200 and the joint bar 300.

The fastening part 240 is a second fastening formed in the protruding base part 241, the protruding base part 241 that protrudes more in the vertical direction (third direction DR3) than the intermediate part 250 It may be formed on the upper surface of the hole 242 and the protruding base portion 241, and may include a fastening protruding part (243) protruding in a vertical direction (third direction (DR3)).

The fastening protrusion 243 may strongly fasten the joint bar 300 and the support part 200 by a method of engaging with a predetermined structure formed on the joint bar 300, for example, another fastening part.

In detail, the horizontal support portion 210 of the support portion 200 may include a first horizontal fastening part (240-1) for connecting the horizontal joint bar 310 of the joint bars 300. .

In addition, the vertical support 220 of the support 200 may include a first vertical fastening part (240-2) for connecting the vertical joint bar 320 of the joint bars 300.

Here, the first horizontal fastening unit 240-1 and the first vertical fastening unit 240-2 are not distinguished in the drawings, but different identification codes are designated to prevent misunderstanding.

In addition, although not shown, the horizontal joint bar 310 among the joint bars 300 includes a second horizontal fastening part (not shown) corresponding to the first horizontal joint part 240-1, and joints The bar 300 vertical joint bar 320 may include a second vertical fastening part (not shown) corresponding to the first vertical fastening part 240-2.

The second horizontal fastening part and the second vertical fastening part will be described later in detail.

The second fastening member (Second Fastening Member, FM2), such as a screw, can securely fix the support 200 to the base plate 20 through the second fastening hole 242, as shown in FIG. 5.

The identification code'H2' not described in FIG. 5 may mean a hole through which the second fastening means FM2 formed in the base plate 20 passes.

Meanwhile, the support part 200 described with reference to FIG. 5 has end connecting portions 230 located at both ends, and may be located between two joint support parts 100.

The support unit 200 of this type may be referred to as a first type support unit 200T1.

Alternatively, a support part 200 of a type in which one end is connected to the joint support part 100 may be possible. The support unit 200 of this type may be referred to as a first type support unit 200T2.

The first type and the second type may correspond to both the horizontal support 210 and the vertical support 220.

For example, a type in which both ends of the horizontal support 210 are connected to the joint support 100 is called a first type horizontal support, and a type in which one end is connected to the joint support 100 is called a second type horizontal support. It is possible to do.

6 shows an example of the second type support 200T2.

Referring to FIG. 6, the second type support portion 200T2 may have an end connection portion 230 including a connection hole 231 at one end.

In addition, the number of fastening parts 240 included in the second type support part 200T2 may also be less than the number of fastening parts 240 included in the first type support part 200T1.

The second type support 200T2 may be positioned relatively closer to the edge between the base plates 20 than the first type support 200T1.

Accordingly, in order to more strongly support the joint bar 300 in the edge region of the base plate 20, the distance D2 between the end connection portion 230 and the fastening portion 240 in the second type support portion 200T2 In the first type support portion 200T1, the distance D1 between the end connection portion 230 and the fastening portion 240 may be greater.

Hereinafter, unless otherwise specified, it is assumed that the first type support 200T1 and the second type support 200T2 are not distinguished.

An example in which the support part 200 is connected to the joint support part 100 is posted in FIG. 7.

Referring to FIG. 7, a first horizontal support portion 210TA, a second horizontal support portion 210TB, a first vertical support portion 220TA, and a second vertical support portion 220TB may be connected to one joint support portion 100.

Here, the first horizontal support 210210 may be a first type horizontal support, and the second horizontal support 210210 may be a second type horizontal support. Alternatively, the first horizontal support portion 210TA and the second horizontal support portion 210TB may be of the same type. This may be equally applied to the first vertical support 220TA and the second vertical support 220220.

Referring to FIG. 8, the vertical protrusion 123 of the support connection portion 120 of the joint support portion 100 in the connection hole 231 formed in the second extension portion 233 of the end connection portion 230 of the support portion 200 Can be (inserted). Accordingly, the support 200 and the joint support 100 may be strongly connected.

9 to 10 are views for explaining a joint bar. Hereinafter, a description of the parts described in detail above may be omitted. Hereinafter, in the case where the horizontal joint bar 310 and the vertical joint bar 320 are not distinguished, the contents are commonly applied to the horizontal joint bar 310 and the vertical joint bar 320. May be

The joint bar 300 may form a predetermined joint on the exposed concrete wall formed by the exposed concrete construction method.

The joint bar 300, as shown in (A), (B), (C) of Figure 9, the first part (First Part, 301) and the second part located on at least one side of the first part (301) ( Second Part, 302).

9(A) is an oblique view of the joint bar 300, (B) shows a side cross-section of the joint bar 300, and (C) shows a lower portion of the joint bar 300.

Here, the first portion 301 may correspond to the support portion 200 on the base plate 20, and the second portion 302 may correspond to the joint support portion 100.

The second portion 302 of the joint bar 300 may be located at both ends of the first portion 301, respectively. In this case, the joint bar 300 is positioned between two joint supports 100, and the joint bar 300 may be referred to as a first type joint bar.

Alternatively, the second part 302 may be formed only at one end of the first part 301 in the joint bar 300. In this case, the joint bar 300 is located between the edge of the base plate 20 and the joint support 100, and this joint bar 100 may be referred to as a second type joint bar.

Hereinafter, unless otherwise specified, it is assumed that the first type joint bar and the second type joint bar are not distinguished.

A structure for connection with the joint support 100 may be formed on the second part 302 of the joint bar 300, that is, a connecting part 322.

In detail, a recess 322 for securing a space for accommodating the joint support 100 is formed in the second part 302 of the joint bar 300, and the joint connection 322 is provided in the recess 322. ) May be formed.

The shape of the joint connection portion 322 may be interlocked with the shape of the joint connection portion 100 of the joint support portion 100. For example, when the joint connection portion 100 has a protruding shape, the joint connection portion 322 may have a recessed shape.

Hereinafter, the joint connecting portion 322 will be described as a recessed shape, that is, a groove shape.

Suppose that the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB are connected to one joint support 100. .

A first horizontal joint connecting part corresponding to the first horizontal joint connection portion 110a of the joint support portion 100 may be formed at an end of the first horizontal joint bar 310TA. Here, the first horizontal joint bar 310TA may be strongly connected to the joint support 100 by combining the first horizontal joint connection 110a and the first horizontal joint connection.

In addition, a second horizontal joint connecting part corresponding to the second horizontal joint connecting portion 110b of the joint support 100 is formed at an end of the second horizontal joint bar 310TB, and the first vertical joint is formed. A first length joint connecting part corresponding to the first vertical joint connection part 110c of the joint support part 100 is formed on the bar 320TA, and the joint support part (320TB) is provided on the second vertical joint bar 320TB. A second vertical joint connecting part corresponding to the second vertical joint connecting portion 110d of 100) may be formed.

In addition, the first portion 301 of the joint bar 300 may be formed with a structure for connection with the support part 200, that is, another fastening part 311 corresponding to the fastening part 240 of the support part 200. have.

Here, another fastening part 311 may correspond to the aforementioned second horizontal fastening part and the second vertical fastening part.

Another fastening part 311 may be formed at least one in one joint bar (300). For example, in the case of the first type joint bar, a plurality of other fastening parts 311 are formed in one joint bar, and in the case of the second type joint bar, another fastening part 311 is formed in one joint bar. It is possible.

9(A), (B), and (C) may correspond to the first type joint bar.

In the first type joint bar, the second parts 302 formed on both sides of the first part 301 may have a form of crossing each other.

For example, in the first type joint bar, when the second portion 302 located on the left side of the first portion 301 is biased to the lower side, the second portion 302 located on the right side of the first portion 301 May be biased upward.

Another fastening part 311 is, as shown in (B) of FIG. 10, the joint bar 300 at the periphery of the insertion hole 311a and the insertion hole 311a for inserting the fastening part 24 of the support part 200 It may include a peripheral projection (311b) protruding toward.

When the fastening protrusion 243 is inserted into the insertion hole 311a, the fastening protrusion 243 and the peripheral protrusion 311b mesh with each other, and accordingly the joint bar 300 may be fastened to the support 200.

Accordingly, when the concrete is poured, it is possible to prevent the joint bar 300 from being detached due to the pressure of the concrete, the position of the joint bar 300 is changed, or the shape of the joint bar 300 is deformed.

On the other hand, as shown in Figure 10 (A), the joint bar 300 is a part that gradually decreases in width in the vertical direction (third direction (DR3)) for structural stability of the joint formed on the exposed concrete wall It can contain.

In addition, a predetermined space 330 in which the support part 200 is accommodated may be provided inside the joint bar 300. Accordingly, the joint bar 300 may sufficiently cover the support part 200.

Here, the case where the cross section of the joint bar 300 is trapezoidal is described, but the present invention may not be limited thereto. For example, the cross-section of the joint bar 300 in the present invention may be various, such as a triangular shape, a semicircle shape.

11 to 12 are views for explaining a method of installing a joint bar. Hereinafter, a description of the parts described in detail above may be omitted.

11 and 12, the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar in an area overlapping the joint support 100 While (320TB) is connected to the joint support 100, they can be meshed with each other.

In FIG. 11, the joint support 100 is indicated by a dotted line.

In this case, in the region where the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB intersect, the Buddhist symbol'man' ( Iii) A form may appear.

Accordingly, the joint bar 300 is positioned in an area where the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB intersect. It is possible to prevent the deviation or deformation. Accordingly, the spacing of the joints in the exposed concrete wall can be made more uniform, and deformation of the shape can be prevented.

In addition, the joint support 100 may be covered by a first horizontal joint bar 310TA, a second horizontal joint bar 310TB, a first vertical joint bar 320TA, and a second vertical joint bar 320TB. That is, the shape of the joint support 100 may not be directly related to the shape of the joint formed on the concrete wall. Accordingly, the degree of freedom to select the joint support 100 can be improved. In addition, even when the shape of the joint is changed, the degree of freedom of the process can be improved since the joint support unit 100 is not replaced, and only the joint bar 300 is replaced.

In addition, the joint bar 300 can be strongly fastened to the joint support 100 and the support 200 even without the aid of a fastening member such as a screw. Accordingly, by easily replacing the joint bars 300, it may be possible to easily form joints of various patterns and shapes.

13 to 17 are views for explaining another form of a joint bar and a joint support. Hereinafter, a description of the parts described in detail above may be omitted.

Looking at Figure 17, when viewed from the top, the first horizontal joint bar (310TA), the second horizontal joint bar (310TB), the first vertical joint bar (320TA), the end of the second vertical joint bar (320TB) is a triangle It can take the form.

In addition, the ends of the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB may be engaged with each other to exhibit a cross shape.

Even in this case, the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB may be connected to the joint support 100, respectively. .

As such, the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB in an area overlapped with the joint support 100 At least two of them may be adjacent to each other.

Alternatively, as illustrated in FIG. 14, the first vertical joint bar 320TA among the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB. ) And the second vertical joint bar 320TB are adjacent to each other, and the first horizontal joint bar 310TA and the second horizontal joint bar 310TB are the first vertical joint bar 320TA and the second vertical joint bar 320TB. A face to face may also be possible.

In this case, the first vertical joint bar 320TA and the second vertical joint bar 320TB can more strongly resist the pressure of the concrete being poured.

As described above, when two joint bars of the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB are adjacent, the joint support 100 ) May be changed accordingly.

For example, as shown in FIG. 15, the width L1 of the joint support 100 in the first direction DR1 may be greater than the width L2 of the second direction DR2.

In this case, the joint support 100 more stably supports the first horizontal joint bar 310TA, the second horizontal joint bar 310TB, the first vertical joint bar 320TA, and the second vertical joint bar 320TB. Can be.

On the other hand, the joint support 100 may be possible to include an inclined surface (First Incline Plane).

For example, as in the case of FIG. 16, the first area AR1, the second area AR2, the third area AR3 and the fourth area AR4 of the joint support 100 are each inclined first. It may include a slope (First Incline Plane, P1).

In addition, a first auxiliary connecting part (140) may be formed on the first inclined surface of the joint support part 100 to further strengthen the connection with the joint bar 300.

As such, when the joint support 100 includes a first inclined surface, the joint bar 300 may also include a second inclined surface (Second Incline Plane, P2) corresponding to the first inclined surface.

Referring to FIG. 17, it can be seen that an inclined surface was formed under the joint bar 300.

In this case, the joint bar 300 can be more easily connected to the joint support 100.

In addition, a second auxiliary connection part 141 corresponding to the first auxiliary connection part 140 may be formed on the inclined surface P2 of the joint bar 300.

If the first auxiliary connecting portion 140 is a protruding shape, the second auxiliary connecting portion 141 may have a recessed shape such as a groove or a hole.

A plurality of panels 10A including the joint forming apparatus 10 according to the present invention described in detail above can be arranged/fixed to form a formwork.

Thereafter, concrete may be poured into the formwork to form an exposed concrete wall. Here, a joint may be formed on the exposed concrete wall by the joint forming apparatus 10.

Since the method of pouring concrete using formwork is already known, a detailed description thereof will be omitted.

As described above, it will be understood that the technical configuration of the present invention described above can be implemented in other specific forms without changing the technical spirit or essential characteristics of the present invention by those skilled in the art to which the present invention pertains.

Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the above detailed description, and the meaning and scope of the claims And it should be construed that all modifications or variations derived from the equivalent concept are included in the scope of the present invention.

Claims (3)

At least one joint supporting part fixed to the front surface of the base plate;
At least one horizontal support part fixed to a first direction of a horizontal direction on a front surface of the base plate, and at least one end connected to the joint support;
At least one longitudinal support part fixed to a second direction intersecting the first direction among the horizontal directions on the front surface of the base plate, wherein at least one end is connected to the joint support;
It is coupled to the horizontal support side by side, and includes a portion that decreases in width in the vertical direction (Vertical Direction) crossing the horizontal direction, at least one end of the at least one horizontal joint that is coupled to the joint support Bar (Width Line Bar); And
At least one longitudinal line bar coupled side by side to the vertical support, including a portion that decreases in width in the vertical direction, wherein at least one end is coupled to the joint support; Including,
The joint support,
A first area, a second area facing the first area, a third area adjacent to the first area and the second area, and a third area and the first area and the first area A fourth area adjacent to the second area and facing the third area (Fourth Area),
In the first area, a first horizontal line connecting part corresponding to a first horizontal line bar among first horizontal line bars is formed,
A second width line connecting part corresponding to a second width line bar among the horizontal line bars is formed in the second area,
In the third area, a first length line connecting part corresponding to a first length line bar among the vertical line bars is formed,
In the fourth region, a second vertical line connecting part corresponding to a second vertical line bar among the vertical bar is formed,
The joint support is covered by the first horizontal joint bar, the second horizontal joint bar, the first vertical joint bar, and the second vertical joint bar,
At least two of the first horizontal joint bar, the second horizontal joint bar, the first vertical joint bar, and the second vertical joint bar in an area overlapped with the joint support part of the exposed concrete wall adjacent to each other. Joint forming device. According to claim 1,
The first area, the second area, the third area, and the fourth area each include a first Incline Plane that is inclined,
The first horizontal line connecting part, the second width line connecting part, the first length line connecting part, and the second vertical line connecting part Connecting Part) are respectively formed on the first inclined surface,
A second inclined surface inclined at each end of the first horizontal joint bar, an end of the second horizontal joint bar, an end of the first vertical joint bar, and an end of the second vertical joint bar and corresponding to the first inclined surface ( Second Incline Plane) joint forming device of the exposed concrete wall. The method according to claim 2,
In the first area, a first width supporting connecting part corresponding to a first width supporting part is further formed among the horizontal supporting parts,
In the second region, a second width supporting connecting part corresponding to a second width supporting part is further formed among the horizontal supporting parts,
In the third region, a first length supporting connecting part corresponding to a first length supporting part among the vertical supports is further formed,
In the fourth area, the second vertical support (Second Length Supporting Part) corresponding to the second vertical support (Second Length Supporting Connecting Part) of the vertical support is further formed joint forming device of the exposed concrete wall.

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