KR101035423B1 - Timber steel beam and system panel using the same - Google Patents

Abstract

Disclosed is a reinforcement beam for formwork and a system panel using the same. Reinforcing beam for formwork of the present invention, the first support having a shape that the upper side is opened so that the plywood fixing member insertion portion is inserted into the plywood fixing member is formed; A plurality of connection parts disposed to be spaced apart from each other such that an upper end portion is connected to a lower end portion of the first support portion, and provided along a length direction of the first support portion; A second support part connecting a lower end of the connection part; And a third support part connecting the other end of the lower part of the connection part and spaced apart from the second support part by a predetermined distance. According to the present invention, while reducing the consumption of the member, it is possible to provide a formwork reinforcement beam that can be easily combined and dismantled and reused in the manufacture of system panels.

Reinforcement beam for formwork, formwork, yoke, Jang Sun-jae

Description

Reinforcement beam for formwork and system panel using it {Timber steel beam and system panel using the same}

The present invention relates to a reinforcing beam for formwork and a system panel using the same, and more particularly, to reduce the consumption of the member, in the manufacture of a system panel, such as a reinforcing beam for formwork reinforcement and easy to combine and dismantle, and the same It relates to a system panel used.

When building an apartment or other high-rise building, in order to pour concrete, formwork is usually formed by a plurality of panels manufactured to have a predetermined area. That is, by extending the plurality of panels in the longitudinal and transverse directions, and placing the concrete in a space formed by standing up to face the panels under such a state, so that the walls forming the building as the curing of the concrete is formed.

Formwork is largely classified into gangform and euroform, where gangform refers to all forms made of steel plate, and Euroform is composed of plywood on the surface in contact with concrete, and profile of plywood on which the edge of plywood is seated. Refers to the dies that have light weight.

However, since both gangforms and euroforms are produced in a standardized manner, a separate gangform or euroform is used after the construction of a wall or post of a specific size that does not fit the size of the standardized gangforms and euroforms. Or, after making a formwork consisting of plywood and a plurality of yoke, Jangsunjae is used.

However, fabricating gangforms and euroforms different from the standardized size has a problem of increasing construction costs. In addition, the production of formwork consisting of plywood and yoke, Jangsunjae is a work done through a professional manpower, there is a problem not only to increase the air but also increase the construction cost.

In addition, when manufacturing the formwork consisting of plywood and yoke, jangjaejae is done dismantling work to separate the yoke, jangjaejae from plywood when the formwork is finished, in this case the yoke, jangjangjae is often broken, difficult to reuse have.

It is an object of the present invention to provide a reinforcement beam for formwork and a system panel using the same, which can be easily combined and dismantled and reused in the manufacture of a system panel while reducing the consumption of the member.

The object is, according to the present invention, the first support having an upper side open shape so that the plywood fixing member insertion portion is inserted into the plywood fixing member is formed; A plurality of connection parts disposed to be spaced apart from each other such that an upper end of the first support part is connected to a lower end of the first support part, and provided along a length direction of the first support part; A second support part connecting a lower end of the connection part; And a third support part connecting the other end of the lower part of the connection part and spaced apart from the second support part by a predetermined distance.

The first support unit may include: a first unit member in contact with a lower surface of the plywood fixing member inserted into the plywood fixing member insertion unit; A second unit member bent to be inclined in an upward direction from one end of the first unit member; And a third unit member which is bent to be inclined in an upward direction from the other end of the first unit member, wherein a separation distance between an upper end of the second unit member and an upper end of the third unit member is separated from the first unit member. It may be less than the width of.

The formwork reinforcing beam is bent in an outward direction from the upper end of the second unit member and the upper end of the third unit member, respectively, and both ends of one side of the second unit member and one of the third unit member, respectively. It may further include a pair of contact area enlargement bent toward the side.

The plurality of connection parts may connect the first support part, the second support part, and the third support part to have a zigzag shape between the first support part, the second support part, and the third support part.

The formwork reinforcement beam further includes a connection portion protrusion formed to protrude from the surface of the connecting portion of the first unit member and the second unit member and the connecting portion of the first unit member and the third unit member, respectively. It may include.

The second unit member and the third unit member are each formed with a plurality of through holes penetrating the second unit member and the third unit member along a length direction, and the plywood fixing member is formed with the plurality of through holes. It may be fixed to the first support part by a plurality of fastening members fastened through the holes, respectively.

The second support part and the third support part may be provided as hollow steel pipes each having a 'ㅁ' shaped cross-sectional shape.

The formwork reinforcing beam, a pair of connecting plates provided to have a '' 'shape and arranged to face each other; A pair of first contact plates which are each bent in an upward direction from one end of the connecting plate to be in contact with both lower ends of the first support part; And a pair of second contact plates each extending and bent downward from the other end of the connecting plate to be in contact with the lower one end of the second support and the lower one end of the third support, respectively. It may further include a connection unit for connecting the two reinforcement beam for the formwork.

The formwork reinforcing beam, a pair of first cover is provided to cover both ends of the first support portion; And a pair of second covers provided to cover one end portion of the second support portion and one end portion of the third support portion, the other end portion of the second support portion, and the other end portion of the third support portion, respectively. have.

The plywood fixing member may be provided with a synthetic resin composition for the replacement of wood using waste plastics.

The object is, according to the present invention, one side of the plywood portion is in contact with the concrete to be poured; And a support unit supporting the other side of the plywood part, wherein the support unit comprises: a first support part having an open side at an upper side such that a plywood fixing member insert part into which the plywood fixing member is inserted is formed; A plurality of connection parts disposed to be spaced apart from each other such that an upper end of the first support part is connected to a lower end of the first support part, and provided along a length direction of the first support part; A second support part connecting a lower end of the connection part; And a plurality of formwork reinforcement beams connecting a lower end of the connecting portion and having a third support portion spaced apart from the second support portion by a predetermined distance. .

The support unit may further include a plurality of horizontal reinforcement coupled to the formwork reinforcement beam in a direction crossing the longitudinal direction of the formwork reinforcement beam.

According to the present invention, a member is formed by a first support part into which a plywood fixing member is inserted and fixed, a plurality of connection parts connected to the first support part, and a second support part and a third support part arranged to be spaced apart from each other and connecting the plurality of connection parts. It is possible to provide a reinforcing beam for formwork and a system panel using the same, which can be easily combined and dismantled in the manufacture of a system panel while reducing the consumption of the same.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in the following description of the present invention, descriptions of already known functions or configurations will be omitted to clarify the gist of the present invention.

1 is a perspective view of a formwork reinforcement beam according to a first embodiment of the present invention, Figure 2 is a front view of the formwork reinforcement beam of Figure 1, Figure 3 is a perspective view of the connection unit, Figure 4 is a connection of Figure 3 Figure 1 is a state of use of the formwork reinforcement beam of Figure 1 connected by the unit, Figure 5 is a perspective view of a completed system panel using the formwork reinforcement beam of Figure 1, Figure 6 is a system of Figure 5 connected to the support when the column construction Figure 7 is a state diagram of the panel, Figure 7 is a schematic diagram showing the principle of connecting the reinforcement beam and the horizontal reinforcement for the formwork of Figure 6, Figure 8 is a diagram showing the state of use of the system panel of Figure 5 connected to the base when the column construction, 9 is a state diagram used in the system panel of Figure 5 used in the construction of the wall.

Referring to these drawings, the formwork reinforcing beam 100 according to the first embodiment of the present invention has a first support portion 110, the one end portion is formed, the first support portion 110, the plywood fixing member insert (TS) is formed; A plurality of connection parts 120 connected to one end of the second support part, a second support part 130 connecting the lower end part of the connection part 120, and a distance from the second support part 130 at a predetermined interval, and the lower side of the connection part 120. It includes a third support portion 140 for connecting the other end.

The first support part 110 is a part having an open shape at an upper side so that the plywood fixing member insertion part TS for inserting the plywood fixing member T is formed, and includes a first unit member 111 and a first unit. And a second unit member 112 and a third unit member 113 extended and bent in an upward direction from both ends of the member 111.

The first unit member 111 is a plate-shaped metallic member in contact with the lower surface of the plywood fixing member T inserted into the plywood fixing member insertion part TS, and the second unit member 112 is a first unit member ( It is a metal member in the shape of a plate member which is bent to be inclined in an upward direction from one end of the 111 and a part of one side surface of the plywood fixing member T inserted into the plywood fixing member insertion part TS, and the third unit member 113 ) Is a plate-shaped metallic member which is bent to be inclined upwardly from the other end of the first unit member 111 to be in contact with a part of the other side of the plywood fixing member T inserted into the plywood fixing member insertion part TS. .

Since the second unit member 112 and the third unit member 113 are each extended to be inclined upwardly from both ends of the first unit member 111, the upper end portion and the third unit member of the second unit member 112 are respectively bent. The separation distance W2 between the upper ends of the 113 is hereinafter referred to as 'the width W2 of the upper end of the first support 110'. The width W1 of the first unit member 111 is hereinafter referred to as 'first'. It is formed smaller than the width (W1 ') of the lower end of the support 110. In addition, the width TW of the plywood fixing member T is slightly smaller than the width W1 of the lower end of the first support 110, and is slightly larger than the width W2 of the upper end of the first support 110. do.

As such, varying the width W2 of the upper end of the first support part 110 and the width W1 of the lower end of the first support part 110 facilitates the insertion of the plywood fixing member T, while being inserted into the plywood fixing member insertion part TS. This is to prevent the flow of the plywood fixing member (T).

That is, since the width TW of the plywood fixing member T is slightly larger than the width W2 of the upper end of the first supporting part 110, the width TW of the plywood fixing member T is along the plywood fixing member insertion part TS of the first supporting part 110. When the plywood fixing member T is inserted, the plywood fixing member T is inserted while the upper end of the second unit member 112 and the upper end of the third unit member 113 are slightly opened. When inserting the plywood fixing member T to the lower side of the first unit member 111 and inserting the plywood fixing member T into the first support 110 is completed, the second support 130 and the third Since the support part 140 presses the upper end of the plywood fixing member T with a constant force, the movement of the plywood fixing member T inserted into the first support part 110 is prevented.

A plurality of through holes 112b are formed through the second unit member 112 and the third unit member 113, and the plywood fixing member is formed through the pieces P and the like through the through holes 112b. Coupling (T) to the first support (110).

Meanwhile, as shown in FIGS. 1 and 2, the first support part 110 extends from the upper end of the second unit member 112 and the upper end of the third unit member 113 in an outward direction, and both ends thereof are respectively. And a pair of contact area enlargements 112a and 113a that are bent toward one side of the second unit member 112 and one side of the third unit member 113.

The contact area expansion parts 112a and 113a make the plywood part 11 more stable by increasing the contact area of the formwork reinforcing beam 100 in contact with the plywood part 11 when manufacturing the system panel 10 described later. It can be supported by, and not only to prevent the second unit member 112 and the third unit member 113 bent arbitrarily in the repeated use of the formwork reinforcement beam 100, the overall rigidity of the first support 110 Serves to increase.

In addition, the contact area enlarged parts 112a and 113a may form a corner of the first support part 110 in a smooth curve so that a safety accident that may occur when the reinforcement beam 100 for formwork is used, for example, a worker may cause a second unit member ( 112 and the third unit member 113 serves to prevent the back of the hand to prevent accidents.

On the other hand, the connection portion 120 is a plurality of along the longitudinal direction of the first support portion 110 so that the upper one end is connected to the lower one end of the first support portion 110 in the direction crossing the longitudinal direction of the first support portion 110, respectively. It is a member provided with a dog. The reinforcing beam 100 for formwork of the present embodiment by the plurality of connecting parts 120 are spaced apart from each other can reduce the consumption of the member used in the manufacturing, thereby reducing the cost.

As shown in FIG. 1, the connection parts 120 are spaced apart from each other by a predetermined distance along the length direction of the first support part 110, and thus a constant space CS is formed between the adjacent connection parts 120. The space CS is a fastening member for fastening the connection beam 14 and the formwork reinforcement beam 100 to each other connecting one end of the plurality of formwork reinforcement beam 100 during the production of the system panel 10 to be described later. 20a may serve to provide a space for fastening and other fastening members (not shown) for fastening a pedestal and a support, and the like (see FIGS. 5 to 9).

In the present embodiment, the connection part 120 is provided using a hollow steel pipe, but according to another embodiment of the present invention may be provided as a different steel pipe than the hollow type.

On the other hand, the second support 130 is a member connecting the lower ends of the plurality of connecting portion 120, the third support portion 140 is spaced apart from the second support portion 130 by a predetermined distance from the lower side of the plurality of connecting portion 120 It is a member connecting the other end.

The second support part 130 and the third support part 140 are provided using hollow steel pipes having a cross-sectional shape of ㅁ, like the connection part 120, respectively.

In addition, as described above, since the second support part 130 and the third support part 140 are provided to be spaced apart from each other by a predetermined interval, a constant space S1 is formed between the second support part 130 and the third support part 140. do. These spaces (S1), respectively, to provide a space in which the fastening member 20b for fastening the formwork reinforcement beam 100 and the horizontal reinforcing material 13 during the manufacture of the system panel 10 to be described later can be fastened Play a role (see FIG. 7).

On the other hand, the plywood fixing member (T) of the present embodiment is provided with a synthetic resin composition for replacement of lumber using waste plastic, wherein the synthetic synthetic resin composition for lumber is used for general thermoplastics such as polystyrene, polyethylene, and polypropylene due to environmental problems such as wood depletion. It means a building material made of waste plastic using resin or mixed with various components.

However, according to another embodiment of the present invention, the plywood fixing member (T) may be provided by using a general wooden box instead of the synthetic resin composition for the wooden box replacement.

On the other hand, the formwork reinforcement beam 100 of the present embodiment is a pair of first cover 161, respectively, covering both ends of the first support portion 100, both ends of the second support portion 130 and the third support portion 140. It further comprises a pair of second cover 162 covering each.

Covers 161 and 162 are intended to prevent moisture from being absorbed into the inside of the plywood fixing member T when the material of the plywood fixing member T is made of wood, and the first cover 161 may include a first support part ( 100 is provided to cover both ends, and the second cover 162 is provided to cover both ends of the second support part 130 and the third support part 140 together (see FIG. 1).

As described above, the cover (161, 162) is used when the plywood fixing member (T) is provided with a wooden block, it may be omitted when the plywood fixing member (T) is provided with a synthetic resin composition for replacing the wooden box.

On the other hand, the formwork reinforcement beam 100 according to the present embodiment further includes a connection unit 150 for connecting two formwork reinforcement beams 100 disposed adjacent to each other.

The connection unit 150 is a configuration for connecting the formwork reinforcement beams 100 disposed adjacent to each other to produce a formwork reinforcement beam 100 of a length corresponding to the size of the system panel 10 to be manufactured is 3, a pair of connecting plates 151, a pair of first contact plates 152 extending upward from one end of the connecting plate 151, and a connecting plate 151. And a pair of second contact plates 153 extending in a downward direction from the other end of the panel.

The pair of connecting plates 151 are each provided with a 'c' shape and are plate-like metallic members disposed to face each other, and the pair of first contact plates 152 are each pair of connecting plates 151. Is a plate-shaped metallic member which is bent in an upward direction from one end of the c) to be in contact with both lower ends of the first support part 110, and the pair of second contact plates 153 are each a pair of connecting plates 151. It is a metal member in the shape of a plate member extending in a downward direction from the other end of the lower end portion of the second support portion 130 and in contact with the lower end portion of the third support portion 140.

The pair of connecting plates 151 includes a plurality of connecting member through-holes 151a and a plurality of pinholes 151b respectively formed through the lengthwise direction. The connecting member through hole 151a is provided in a plurality of positions corresponding to each other along the longitudinal direction of the connecting plate 151, and the pin hole 151b is connected to the connecting plate 151 at the upper side and the lower side of the connecting member through hole 151a. It is provided in plurality in positions corresponding to each other along the longitudinal direction of the.

After arranging the two formwork reinforcement beams 100 adjacent to each other, the connection unit 150 is disposed at one end of the formwork reinforcement beam 100 and bolts B are formed along the connection member through-holes 151a. And the like, by fastening the fixing pins (not shown) along the pinhole 151b to combine the reinforcement beams 100 for the formwork.

In this case, the pair of first contact plates 152 press the lower ends of the first support portion 110 of the reinforcement beam 100 for the formwork, respectively, the pair of second contact plates 153 for the formwork respectively Two formwork reinforcement beams 100 are connected to each other by pressing the lower end of the second support 130 and the lower end of the third support 140 of the reinforcement beam 100.

In general, only by fastening the bolt (B) along the connecting member through hole (151a), the reinforcing beams 100 for formwork are connected to each other, and only if the strong connection force is required, such as pinhole (151b) Further fasten the fixing pin (not shown) accordingly. The fixing pin (not shown) is connected to the two formwork reinforcement beams 100 to be connected by being fastened to the pinhole (151b) in the form of fit fitting.

On the other hand, as shown in Figure 5, the system panel 10 manufactured by using the formwork reinforcement beam 100 of the present embodiment, the plywood part 11 and the plywood part in which one side is in contact with the concrete to be poured It supports the other side and includes a support unit 12 composed of a plurality of formwork reinforcement beam 100 and a plurality of horizontal reinforcement (13). Hereinafter, the system panel 10 is manufactured to meet the purpose required for the construction of the reinforced concrete structure, and means a formwork in which the plywood and the yoke and the Jangjae are integrally combined.

Plywood portion 11 is a rectangular plate-like configuration in which one side is in contact with the concrete to be poured to form the outer circumferential surface of the wall or pillar, is provided on the plywood 11b and the one side of the plywood 11b The plastic fusion | melting part 11a and the film part 11c provided in the other side surface of the plywood 11b are included.

The plywood 11b is to provide a plate surface for fusion of the plastic fusion portion 11a or to coat the film portion 11c, and the plastic fusion portion 11a is a portion in which one side is in direct contact with the concrete to be poured. And the plastic is fused to one side of the plywood 11b, and the film portion 11c is provided by hot pressing the film to the other side of the plywood 11b.

 The plastic fusion portion 11a prevents the plywood 11b from being damaged by preventing moisture in the poured concrete from penetrating the plywood 11b according to the properties of the plastic to be fused, and provides a smooth plate surface to provide a smooth plate surface. Not only do not press on, but also serves to clean the surface of the wall (Wall) or post (Post) to be installed when the curing of concrete is completed.

The film portion 11c is completed by impregnating a phenolic resin in kraft paper and drying the bonded Tego film on the other side of the plywood (not shown). Here, kraft paper refers to brown paper made of unbleached kraft pulp, and phenol resin refers to a resin made by condensation of phenols and aldehydes, and impregnation refers to filling resin in a gap in a structure such as fabric, wood, and paper. Say to put. The film portion (not shown) of the present embodiment is completed by impregnating phenolic resin in kraft paper, so it is not easily broken and hard, and has a heat-resistant property without burning well.

However, the plastic fusion portion 11a and the film portion 11c of the present embodiment may be omitted as necessary.

On the other hand, the support unit 12 is a configuration provided to resist the surface pressure of the concrete to be poured during the concrete pouring direction of the plurality of formwork reinforcement beams 100 and the formwork reinforcement beams 100 intersect with the longitudinal direction It includes a plurality of horizontal reinforcement (13) provided.

The plurality of formwork reinforcement beams 100 are mutually coupled by the aforementioned connection unit 150, the number of formwork reinforcement beams 100 to be connected based on the overall size of the system panel 10 to be manufactured is Is selected in advance. That is, the system panel 10 shown in FIG. 5 shows a state in which two formwork reinforcement beams 100 are connected in a vertical direction, but when the size of the system panel 10 to be manufactured is larger, The support unit 12 may be configured by connecting the reinforcement beam 100 for formwork.

After connecting the plurality of formwork reinforcement beams 100 through the connecting unit 150, and arranged a plurality of formwork reinforcement beams 100 spaced apart at a predetermined interval, using the connecting beam 14 for the formwork One ends of the reinforcing beams 100 are interconnected.

The connecting beam 14 is a member of which one end of the reinforcement beams 100 for formwork is fixed to each other by a material such as wood. As described above, since the connection portion 120 is provided spaced apart from each other by a predetermined interval along the longitudinal direction of the formwork reinforcement beam 100, adjacent to the connection portion 120a provided at one end of the formwork reinforcement beam 100. A constant space CS is formed between the connection portions 120b provided, and the reinforcing beam 100 for formwork and the connecting beam 14 are coupled by fastening the fastening member 20a using the space CS.

That is, after arranging one end of the formwork reinforcement beam 100 to be adjacent to the connection beam 14, the space CS formed between the connection parts 120a and 120b and one end of the formwork reinforcement beam 100 are provided. Fastening the 'U' shaped fastening bolt used as the fastening member (20a) along the circumference of the connecting portion (120a), by tightening a nut (not shown) on the other side of the connecting beam 14 for the formwork reinforcement beam 100 It will be fixed to the connecting beam (14).

As shown in FIG. 5, the connecting beam 14 is sufficient to connect one end of the plurality of formwork reinforcing beams 100, and the connecting beam 14 later supports the system panel 10 from the ground. It also serves as a role (see FIGS. 6 to 9).

After connecting one end of the plurality of formwork reinforcement beams 100 using the connecting beam 14, the plurality of horizontal reinforcement material 13 is coupled in a direction intersecting the longitudinal direction of the formwork reinforcement beam 100. . The plurality of horizontal stiffeners 13 are disposed in a direction crossing the longitudinal direction of the formwork reinforcement beam 100 so that each two pairs, the space (S2) and the second support portion formed between the horizontal stiffeners 13 mutually Fastening the formwork reinforcing beam 100 and the horizontal reinforcing material 13 by fastening the 'T' shaped bolt 20b along the space (S1) formed between the 130 and the third support (140).

That is, as shown in Figure 7, first insert the 'T' shaped bolt (20b) into the space (S2) formed between the horizontal reinforcing material 13 (Step 1, Step 2), the second support by rotating it Inserted into the space (S1) formed between the 130 and the third support portion 140 (Step 3, Step 4), and after the insertion is completed by rotating it again the head portion of the 'T'-shaped bolt (20c) In contact with one side of the second support 130 and the third support 140 (Step 5). After that, by fastening the nut (N) by fastening the plate (PL) to the tail portion of the 'T' shaped bolt (20c) protruding to the outside, the reinforcement beam 100 and the horizontal reinforcement (13) for formwork are firmly bound to each other. (Step 6).

After joining the formwork reinforcement beam 100 and the horizontal reinforcing material 13 mutually, the plywood part 11 is disposed on the upper end of the first support part 110 and the plywood fixing member T and the plywood part 11 are disposed. By fastening using nails, etc., the entire system panel 10 is completed.

6 and 8, the system panel 10 manufactured using the formwork reinforcement beam 100 of the present embodiment may be used for post construction. That is, after arranging the system panels 10 to form a rectangular cross-sectional shape, the system panels 10 are fastened to each other using clamps (not shown), and the system panels 10 are supported from the ground. By combining a plurality of supports 16 for the formwork reinforcement beam 100 or horizontal reinforcement 13 to complete the overall formwork structure.

Later, the concrete is placed on the inner side of the completed formwork and cured to complete the construction of the column.The system panel 10 is separated from the completed curing column, and the plywood 11 and the support unit 12 are separated and reused. Be prepared.

In addition, when the work table 17 is installed on the upper end of the pillar, the work table 17 is reinforced with formwork through a wire fastened along a space CS provided between the connecting portions 120 of the reinforcement beam 100 for formwork. It is bound with the beam 100.

In addition, as shown in Figure 9, the system panel 10 manufactured using the formwork reinforcement beam 100 of the present embodiment can be used for the purpose of building the wall (Wall), in this case and Similarly, after the arrangement of the system panel 10 is completed, the support panel (not shown) is used to support the system panel 10 from the ground. The tie bar 18 shown in FIG. 9 is a member that maintains a constant distance between the system panels 10 arranged opposite to each other, and may be used as needed even in the above-described column construction.

System panel 10 of the present embodiment, by using a plurality of formwork reinforcement beams 100 can be easily manufactured formwork of the desired size, it is possible to provide a system panel 10 that is easy to combine and dismantle. .

10 is a perspective view of a reinforcement beam for formwork according to a second embodiment of the present invention.

Referring to FIG. 10, the formwork reinforcing beam 200 according to the second embodiment of the present invention includes a plurality of connecting portions each connected to one end of the first support portion 210 and one end of the first support portion 210. 220, a second support part 230 connecting the lower end of the connection part 220, and a third support part 240 connecting the other end of the lower part of the connection part 220 at a predetermined interval from the second support part 230. It includes.

The matters related to the second support part 230 and the third support part 240 of the present embodiment are the same as those of the second support part 130 and the third support part 140 of the first embodiment described above, and thus redundant description will be omitted. do.

The first support part 210 is a part having an open shape at an upper side so that the plywood fixing member insertion part TS for inserting the plywood fixing member T is formed, and includes a first unit member 211 and a first unit. The second unit member 212 and the third unit member 213 extending from both ends of the member 211, respectively.

The first unit member 211 is a metal member of a plate shape in contact with the lower surface of the plywood fixing member T inserted into the plywood fixing member insertion part TS, the second unit member 212 is a first unit member ( It is a metal member in the shape of a plate member which is bent to be inclined in an upward direction from one end of 211 in contact with a part of one side of the plywood fixing member T inserted into the plywood fixing member insertion part TS, and the third unit member 213. ) Is a plate-shaped metallic member which is bent to be inclined upwardly from the other end of the first unit member 211 to be in contact with a part of the other side of the plywood fixing member T inserted into the plywood fixing member insertion part TS. .

The first support part 210 is bent in an outward direction from the upper end of the second unit member 212 and the upper end of the third unit member 213, respectively, and both ends thereof have one side surface of the second unit member 212 and And a pair of contact area enlargements 212a and 213a that are bent toward one side of the third unit member 213. The matters related to the contact area enlargements 212a and 213a are the same as those of the contact area enlargements 112a and 113a of the above-described first embodiment, and thus redundant description thereof will be omitted.

On the other hand, the first support portion 210 of the present embodiment, the connecting portion of the first unit member 211 and the second unit member 212 and the connection of the first unit member 211 and the third unit member 213. It further includes connecting portion protrusions 212b and 213b protruding from each other to protrude from the surface of the portion.

The connecting portion protrusions 212b and 213b are respectively formed from the surfaces of the connecting portions of the first unit member 211 and the second unit member 212 and the connecting portions of the first unit member 211 and the third unit member 213. The lower side of the plywood fixing member (T) inserted into the inner side of the first support portion 210 is formed to protrude convex to be in close contact with the upper side of the first unit member (211).

That is, when forming the formwork reinforcement beam 200 of the present embodiment, the connecting portion of the first unit member 211 and the second unit member 212 and the first unit member 211 and the third unit member 213. The connecting portion of each is formed by bending a sheet of metallic sheet through the press working, in this case, both ends of the first unit member 211 is bent to some extent during this bending operation, so that the first unit member 211 has a horizontal plane Problems are difficult to achieve.

When the first unit member 211 does not form a horizontal plane, since the plywood fixing member T may not be in contact with the entire upper surface of the first unit member 211, the connection part protrusion 212b may occur. , 213b) to provide a certain tolerance in advance so that the lower side of the plywood fixing member T inserted inside the first support part 210 is in close contact with the lower side of the first unit member 211. .

However, when the forming method of the formwork reinforcement beam 200 is different, the connecting portion protrusions 212b and 213b may be omitted, in which case the formwork reinforcement beam 200 of the present embodiment is the formwork of the first embodiment described above. It has the same configuration as the reinforcement beam 100 for construction.

The reinforcement beam 200 for formwork of this embodiment has the advantage that the lower side of the plywood fixing member T inserted into the inner side of the first support portion 210 can be in close contact with the upper side of the first unit member 211. Has

11 is a perspective view of a reinforcing beam for formwork according to a third embodiment of the present invention.

Referring to FIG. 11, a formwork reinforcing beam 300 according to a third embodiment of the present invention includes a plurality of connecting portions each having a first support portion 310 and one end thereof connected to one end portion of the first support portion 310. 320, the second support part 330 connecting the lower end of the connection part 320, and the third support part 340 spaced apart from the second support part 330 by a predetermined distance and connecting the other end of the lower part of the connection part 320. It includes.

Regarding the first support part 310, the second support part 330, and the third support part 340 of the present embodiment, the first support part 110, the second support part 130, and the third support part of the first embodiment described above are described. Since it is the same as the matter regarding 140, the overlapping description is abbreviate | omitted.

Meanwhile, the connection part 320 is provided to have a zigzag shape between the first support part 310, the second support part 330, and the third support part 340. That is, unlike the first embodiment described above, the connection part of the present embodiment is not connected to the longitudinal direction of the first support part 310 but is connected in an oblique direction so that the strength of the connection part 320 can be improved. do.

As described above, since the connection part 320 is provided as a hollow steel pipe, there is a risk that the connection part 320 is damaged when the surface pressure due to the installation of the concrete is large. Therefore, by providing the shape of the connecting portion 320 in a zigzag as in this embodiment, it is possible to sufficiently resist the surface pressure caused by the pouring of concrete.

Formwork reinforcement beam 300 of the present embodiment has the advantage that can provide a connection 320 with increased durability.

12 is a perspective view of the reinforcement beam for formwork according to the fourth embodiment of the present invention.

Referring to FIG. 12, a formwork reinforcing beam 400 according to a fourth embodiment of the present invention includes a plurality of connecting portions each having a first support portion 410 and one end thereof connected to one end portion of the first support portion 410. 420, a second support part 430 connecting the lower end of the connection part 420, and a third support part 440 spaced apart from the second support part 430 by a predetermined distance and connecting the other end of the connection part 420. It includes.

The matters related to the second support part 430 and the third support part 440 of the present embodiment are the same as the matters of the second support part 130 and the third support part 140 of the first embodiment described above, and thus redundant description will be omitted. do.

On the other hand, the first support portion 410 is a first unit member 411 in contact with the lower surface of the inserted plywood fixing member (T), and the second bent extending in the upward direction from both ends of the first unit member 411, respectively. The unit member 412 and the third unit member 413 are included.

The first unit member 411 is a metal member having a plate shape in contact with the lower surface of the plywood fixing member T inserted into the plywood fixing member inserting portion, and the second unit member 412 is formed of the first unit member 411. It is bent in an upward direction from one end portion and is a plate-shaped metallic member contacting one side of the plywood fixing member T, and the third unit member 413 extends upward from the other end of the first unit member 411. It is a metal member of plate shape bent and contacting the other side surface of the plywood fixing member (T). In addition, the connection point between the first unit member 411 and the second unit member 412, the connection point between the first unit member 411 and the third unit member 413, the second unit member 412 On the upper end and the upper end of the third unit member 413, bent portions 414, 415, 416, and 417 are bent to protrude outward from the surface, respectively.

The bent portions 414, 415, 416, and 417 serve to increase the rigidity of the first support portion 410 by changing the surface of the first support portion 410, thereby repeating the reinforcement beam 400 for formwork. It plays a role of giving durability that is not easily broken even in use.

Meanwhile, the connection part 420 is provided to have a zigzag shape between the first support part 410, the second support part 430, and the third support part 440. The reason for having such a shape is the same as in the above-described third embodiment, and thus redundant description is omitted. Of course, the shape of the connection portion 420 may be provided in the same manner as the shape of the connection portion 120 of the first embodiment described above, the scope of the present invention is not limited by the shape of the connection portion 420.

Formwork reinforcing beam 400 of the present embodiment has the advantage that can provide a first support portion 410 and the connection portion 420 with increased durability.

While specific embodiments of the invention have been described and illustrated above, it is to be understood that the invention is not limited to the described embodiments, and that various modifications and changes can be made without departing from the spirit and scope of the invention. It is obvious to those who have. Therefore, such modifications or variations are not to be understood individually from the technical spirit or point of view of the present invention, the modified embodiments will belong to the claims of the present invention.

1 is a perspective view of a reinforcing beam for formwork according to a first embodiment of the present invention.

Figure 2 is a front view of the reinforcement beam for formwork of Figure 1;

3 is a perspective view of the connection unit.

4 is a state diagram used in the formwork reinforcing beam of FIG. 1 connected by the connecting unit of FIG.

5 is a perspective view of a completed system panel using the reinforcement beam for formwork of FIG.

6 is a state diagram used in the system panel of Figure 5 connected to the support when constructing the column.

Figure 7 is a schematic diagram showing the principle of connecting the reinforcement beam and the horizontal reinforcement for the formwork of Figure 6 connected.

8 is a state diagram used in the system panel of FIG.

FIG. 9 is a state diagram of the system panel of FIG. 5 used in wall construction. FIG.

10 is a perspective view of a reinforcement beam for formwork according to a second embodiment of the present invention.

11 is a perspective view of a reinforcing beam for formwork according to a third embodiment of the present invention.

12 is a perspective view of the reinforcement beam for formwork according to the fourth embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: reinforcement beam for formwork 110: first support

120 connection part 130 second support part

140: third support portion 10: system panel

Claims (12)

A first support part having an open upper side to form a plywood fixing member insertion part into which the plywood fixing member is inserted; A plurality of connection parts disposed to be spaced apart from each other such that an upper end of the first support part is connected to a lower end of the first support part, and provided along a length direction of the first support part; A second support part connecting a lower end of the connection part; And Reinforcing beam for formwork, characterized in that it comprises a third support portion which is connected to the other end of the connecting portion spaced apart from the second support portion. The method of claim 1, The first support portion, A first unit member in contact with a lower surface of the plywood fixing member inserted into the plywood fixing member insertion unit; A second unit member bent to be inclined in an upward direction from one end of the first unit member; And A third unit member extending and bent to be inclined in an upward direction from the other end of the first unit member, Reinforcing beam for formwork, characterized in that the separation distance between the upper end of the second unit member and the upper end of the third unit member is smaller than the width of the first unit member. The method of claim 2, A pair of bends extending in an outward direction from the upper end of the second unit member and the upper end of the third unit member, respectively, and both ends are bent toward one side of the second unit member and one side of the third unit member, respectively. Reinforcement beam for formwork, characterized in that it further comprises a contact area enlargement of the. The method of claim 1, The plurality of connection parts, Reinforcing beam for formwork, characterized in that for connecting the first support, the second support and the third support to have a zigzag shape between the first support, the second support and the third support. The method of claim 2, A formwork further comprising a connecting portion protrusion formed to protrude from the surface of the connecting portion of the first unit member and the second unit member and the connecting portion of the first unit member and the third unit member, respectively. Reinforcement beam for construction. The method of claim 2, Each of the second unit member and the third unit member, A plurality of through holes penetrating the second unit member and the third unit member is formed along the longitudinal direction, The plywood fixing member, Reinforcement beam for formwork, characterized in that fixed to the first support by a plurality of fastening members fastened through each of the plurality of through holes. The method of claim 1, The second support and the third support, respectively, Reinforcement beam for formwork, characterized in that provided with a hollow steel pipe having a 'ㅁ' shaped cross-sectional shape. The method of claim 1, A pair of connecting plates provided to have a 'c' shape and disposed to face each other; A pair of first contact plates which are each bent in an upward direction from one end of the connecting plate to be in contact with both lower ends of the first support part; And It is arranged adjacent to each other including a pair of second contact plate which is extended and bent in the downward direction from the other end of the connecting plate, respectively contacting the lower one end of the second support and the lower one end of the third support. Reinforcement beam for formwork, characterized in that it further comprises a connecting unit for connecting the two reinforcement beam for the formwork. The method of claim 1, A pair of first covers provided to cover both ends of the first support; And And a pair of second covers provided to cover one end portion of the second support portion and one end portion of the third support portion, the other end portion of the second support portion, and the other end portion of the third support portion, respectively. Reinforcement beam for formwork. The method of claim 1, The plywood fixing member, Reinforcement beam for formwork, characterized in that provided by the synthetic resin composition for the replacement of wood using waste plastic. A plywood portion having one side contacted with concrete to be poured; And It includes a support unit for supporting the other side of the plywood portion, The support unit, A first support part having an open upper side to form a plywood fixing member insertion part into which the plywood fixing member is inserted; A plurality of connection parts disposed to be spaced apart from each other such that an upper end of the first support part is connected to a lower end of the first support part, and provided along a length direction of the first support part; A second support part connecting a lower end of the connection part; And And a plurality of formwork reinforcement beams connected to the other end of the connecting portion and having a third support portion spaced apart from the second support portion by a predetermined distance. The method of claim 11, The support unit, System panel using a formwork reinforcement beam further comprises a plurality of horizontal reinforcing material coupled to the formwork reinforcement beam in a direction crossing the longitudinal direction of the formwork reinforcement beam.

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