KR102641227B1 - Steel Reinforced Concrete Clolumn - Google Patents

Abstract

In the present invention, the core material is made of H-beam steel and the outside is covered and reinforced with bent steel plates, so it is pre-manufactured in advance to simplify field work, and the use of bent steel plates makes it easy to join and serves as a formwork. At the same time, economic efficiency can be increased, and the external force is borne by the H-beam and the reinforced concrete surrounding it is reinforced as covering in the event of a fire. This relates to a pre-assembled SRC column assembly using H-beam and bent steel plates.
A preferred embodiment of the present invention is a corner steel plate formed into a square corner by bending a corner portion having an L-shaped cross section and both ends of the corner portion in a right angle direction to form a joint, and a plate-shaped connection portion of a certain length and a width of the connection portion. A slope-type bent steel plate form made of a central steel plate formed between adjacent corner steel plates and corner steel plates by bending each end in a right angle direction inward to form a joint; A core material composed of H-beam steel and configured vertically inside the slope-type bent steel plate form; a plurality of space maintaining members arranged at intervals in the height direction to horizontally connect the upper and lower flanges of the core material and the inner surface of the central steel plate facing them; It consists of a band of reinforcing bars bent in a square shape and arranged at regular intervals in the longitudinal direction inside the slope-shaped bent steel plate form, and each side of the band of reinforcing bars is connected longitudinally on both sides of the edge of the band to connect a plurality of band reinforcing bars. It includes a reinforcing bar network made of main reinforcing bars.

Description

Assembly for pre-assembled SRC columns using H-beam steel and bent steel plates {Steel Reinforced Concrete Clolumn}

The present invention relates to a pre-assembled SRC column assembly, and more specifically, the core material is made of H-beam steel, and the outside is covered and reinforced with bent steel plates, so that it can be pre-fabricated in advance to simplify field work and bending. The use of steel plates makes it easy to join, serves as a formwork, and increases economic efficiency. External forces are borne by the H-beams, and the surrounding reinforced concrete is reinforced as covering in the event of a fire. H-beams and bent steel plates This relates to an assembly for pre-assembled SRC columns using .

In general, steel framed reinforced concrete construction (SRC) is a structure made of a single body by surrounding a steel frame with reinforcing bars and pouring concrete into it, that is, it is an intermediate structure between a reinforced concrete structure and a steel frame structure.

This type of steel framed large concrete structure is a type in which the steel frame is covered and reinforced with reinforced concrete. The external force is borne by the steel frame, and the surrounding reinforced concrete provides reinforcement as covering in the event of a fire.

The technology behind the present invention includes Patent Registration No. 0898283, “Steel frame pillar for SRC column with pre-assembled rebar and steel frame construction method using the same.”

In the above background technology, the construction of the steel column is carried out after the steel column is manufactured by pre-assembling the main reinforcing bar and the band reinforcing bar on the H-beam, thereby preventing safety accidents due to work at heights, improving the construction precision of the reinforcing bar, and improving the construction precision of the reinforcing bar. The construction period is shortened compared to the method of assembling reinforcing bars, and the main reinforcing bar placed at one corner of the connecting reinforcing bar is formed in a structure in close contact with the connecting reinforcing bar, making it easy to install the steel beam on the steel column without interference with the main reinforcing bar. , there were problems such as the rebar assembly process being difficult and the form having to be constructed separately.

Patent Registration No. 0898283 “Steel column for SRC columns with pre-assembled rebar and steel frame construction method using the same”

The present invention is intended to solve the above problems, and is a pre-assembly structure that enables self-supporting support by securing rigidity and promotes economic efficiency by facilitating pre-assembly of reinforcing bar networks, etc. without using separate temporary members. The purpose is to provide assemblies for SRC columns.

The present invention relates to a corner steel plate having an L-shaped cross-section and a joint formed by bending inward at a right angle to both ends of the corner to form a corner of a square, a plate-shaped connection portion of a certain length, and a perpendicular direction at both ends in the width direction of the connection portion. A slope-type bent steel plate form made of a central steel plate formed between adjacent corner steel plates and corner steel plates by bending them inward to form joints; A core material composed of H-beam steel and configured vertically inside the slope-type bent steel plate form; a plurality of space maintaining members arranged at intervals in the height direction to horizontally connect the upper and lower flanges of the core material and the inner surface of the central steel plate facing them; It consists of a band of reinforcing bars bent in a square shape and arranged at regular intervals in the longitudinal direction inside the slope-shaped bent steel plate form, and each side of the band of reinforcing bars is connected longitudinally on both sides of the edge of the band to connect a plurality of band reinforcing bars. It includes a reinforcing bar network made of main reinforcing bars, and includes a torsion prevention member made of a steel pipe in the shape of a square tube with an empty interior, and a torsion reinforcement plate in the shape of a plate formed by joining one end at the outer surface of each side of the steel pipe. A pre-assembled SRC column using H-beams and bent steel plates, characterized in that a core material is inserted into the steel pipe at the longitudinal end of the inclined bent steel plate formwork, and a torsional reinforcement plate is configured to be joined to the inner surface of the inclined bent steel plate formwork. We would like to provide an assembly for the purpose.

In addition, the object is to provide an assembly for pre-assembled SRC columns using H-beam steel and bent steel plates, wherein the gap maintenance member is made of any one of angles, channels, and plates.

In addition, a pre-assembled SRC column assembly using H-beam steel and bent steel plates is characterized in that a plurality of spacing maintenance members are arranged at intervals in the height direction to horizontally connect the web of the core material and the inner surface of the central steel plate facing it. We would like to provide.

In addition, a vertical plate-shaped joint plate is formed on the inner surface of the central steel plate joined to the gap maintenance member, and the end of the gap maintenance member is joined to the joint plate. A pre-assembled SRC column assembly using H-beams and bent steel plates. We would like to provide.

In addition, the aim is to provide an assembly for a pre-assembled SRC column using H-beam steel and bent steel plates, wherein the reinforcing bar network consists of auxiliary strip reinforcing bars connecting a pair of main reinforcing bars on each side of the strip reinforcement.

In addition, it is intended to provide an assembly for a line-assembled SRC column using H-beam steel and bent steel plates, characterized in that a plurality of corner reinforcement members are formed to diagonally connect the inner corners of the corner steel plates.

In addition, the aim is to provide an assembly for a pre-assembled SRC column using H-beams and bent steel plates, wherein both ends of the corner reinforcement member are respectively joined to the ends of the joints of the corner steel plates.

In addition, the purpose of the present invention is to provide an assembly for a pre-assembled SRC column using H-beams and bent steel plates, wherein both ends of the corner reinforcement member are joined to each other to connect the inner surfaces of the edge portions of the corner steel plates.

In addition, it is intended to provide an assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, wherein the corner reinforcement member is formed on the same plane as the gap maintenance member.

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In addition, the object is to provide an assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, wherein the torsion prevention member is configured so that the steel pipe protrudes a predetermined length further to the outside of the slope-type bent steel plate form.

In addition, the object is to provide an assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, wherein the torsion prevention member is composed of a plurality of through holes formed in a torsion reinforcement plate.

The pre-assembled SRC column assembly using H-beam and bent steel plates of the present invention is made up of a core material made of H-beam steel and covered and reinforced on the outside with bent steel plates, and is pre-fabricated to simplify field work. The use of bent steel plates makes it easy to join, serves as a formwork, and increases economic efficiency. The external force is borne by the H-beam, and the reinforced concrete surrounding it can be used as a covering in the event of a fire. , by configuring a plurality of spacing members to connect the core material and the formwork, not only can the spacing be kept constant, but it has the very useful effect of reinforcing the concrete pouring pressure and increasing the composite effect between the core material and concrete.

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention along with the detailed description of the invention. Therefore, the present invention is limited to the matters described in the attached drawings. It should not be interpreted as limited.
Figure 1 is a perspective view of an assembly for a pre-assembled SRC column using H-beams and bent steel plates of the present invention.
Figure 2 is a plan view of Figure 1.
Figure 3 is a cross-sectional view of Figure 1.
Figure 4 is a plan view of another embodiment of the assembly for pre-assembled SRC columns using H-beams and bent steel plates of the present invention.
Figure 5a is a perspective view of another embodiment of the assembly for pre-assembled SRC columns using H-beams and bent steel plates of the present invention.
Figure 5b is a perspective view of the twist prevention member in Figure 5a.
Figure 5c is a top view of Figure 5a.

Below, the present invention will be described in detail with reference to embodiments shown in the attached drawings, but the presented embodiments are illustrative for a clear understanding of the present invention, and the present invention is not limited thereto.

Hereinafter, the technical configuration of the present invention will be described in detail according to a preferred embodiment as follows.

Figure 1 is a perspective view of an assembly for a pre-assembled SRC column using H-beams and bent steel plates of the present invention, Figure 2 is a plan view of Figure 1, Figure 3 is a cross-sectional view of Figure 1, and Figure 4 is a H of the present invention. This is a plan view of another embodiment of a pre-assembled SRC column assembly using section steel and bent steel plates.

As shown in Figure 1, the pre-assembled SRC column assembly using H-shaped steel and bent steel plate of the present invention includes a core material 30 made of H-shaped steel, a reinforcing bar network 20 formed on the outside of the core material 30, and It is configured on the outside of the reinforcing bar network 20 and is arranged in plural pieces at intervals in the height direction to connect the inner surface of the central steel plate 120 of each side with the inclined bent steel plate form 10 and the core material 30 made of bent steel plates. It consists of a gap maintenance member 40 that is.

The core material 30 is made of H-beam steel consisting of a web 310 and upper and lower flanges 320 and 320. In the present invention, the core material 30 is made of H-beam steel and a bent steel plate is placed on the outer surface of the core material 30. It is used to form a slope-type bent steel plate form (10).

The slope-type bent steel plate form 10 is formed by joining a plurality of bent steel plates to have a square cross-section. The corner portion 111 has an L-shaped cross-section and both ends of the corner portion 111 are bent inward in a right angle direction to form a joint portion 112. A corner steel plate 110 is formed at the corner of a square, a plate-shaped connecting portion 121 of a certain length, and a joint portion 121 is formed by bending each of the widthwise ends of the connecting portion 121 inward in a perpendicular direction to form an adjacent joint portion 121. It consists of a corner steel plate 110 and a central steel plate 120 formed between the corner steel plates 110.

In this way, by constructing the slope-type bent steel plate form 10 using bent steel plates, not only can it respond to various cross-sections, but it is also easy to manufacture and has excellent economic efficiency, and can be used in various ways by varying the specifications of the central steel plate 12. It can be manufactured to have a standard cross section.

The corner steel plate 110 is configured to be spaced a certain distance apart from the portion corresponding to each side of the square in the pre-assembled SRC column assembly having a square cross-section, and the central steel plate 120 is configured at a position corresponding to each side of the square cross-section. If possible, connect the corner steel plate 110 and the corner steel plate 110.

In particular, the corner steel plate 110 and the central steel plate 120 are formed with joints 112 and 122 at each end, and the joints 112 and 122 are overlapped and joined by contacting each other to form a joint 112 ( 122) serves as reinforcement to increase bending rigidity, etc., and can prevent the slope-type bent steel plate form 10 from bursting or deforming due to pouring pressure, etc. even when pouring concrete.

The central steel plate 120 as described above can be formed in various specifications according to the size of the cross section of the column by connecting the corner steel plates 110, so that it can not only respond to various cross sections of the column, A joint surface of the gap maintenance member 40 connecting the core material 30 and the inclined bent steel plate form 10 is provided so that the pre-assembled SRC column assembly can stand on its own.

A plurality of gap maintenance members 40 are arranged at intervals in the height direction to horizontally connect the upper and lower flanges 320 and 320 of the core material 30 and the inner surface of the central steel plate 120 facing them. By bonding and fixing the inclined bent steel plate form 10 to (30), it serves to maintain the gap between the core material 30 and the inclined bent steel plate form 10, and at the same time, the gap maintaining member 40 is used to maintain the gap between the core material 30 and the inclined bent steel plate form 10. While serving as an assembly with (30), it increases the composite effect between the core material (30) and the concrete poured inside, and further prevents deformation due to the concrete pouring pressure of the slope-type bent steel plate formwork (10). can do.

In addition, as shown in FIG. 4, a plurality of gap maintenance and weak axis reinforcement members 41 are provided at intervals in the height direction to horizontally connect the web 310 of the core material 30 and the inner surface of the central steel plate 120 facing it. is configured so that it serves to reinforce the weak axis of the core material 30 made of H-beam steel and also functions to maintain the gap.

The gap maintenance member 40 and the gap maintenance and weak axis reinforcement member 41 may be made of various members such as plates, angles, channels, and steel bars, and may be formed on the inner surface of the core material 30 and the central steel plate 120 of each side. A plurality of them are arranged at intervals in the height direction so that they can be connected.

The gap maintenance member 40 and the gap maintenance and weak axis reinforcement member 41 may be formed at the same height or, if necessary, may be formed at different heights.

At this time, the gap maintenance member 40 is formed with a vertical plate-shaped joint plate 140 on the inner surface of the central steel plate 120 joined to the gap maintenance member 40, so that the gap maintenance member 40 is attached to the joint plate 140. By ensuring that the ends are joined, it serves to prevent perforation due to welding in the thin plate inclined bent steel plate form 10 while reinforcing the joint surface with the gap maintenance member 40.

A reinforcing bar network 20 is formed inside the slope-type bent steel plate form 10. The reinforcing bar network 20 is bent into a square shape and is constant in the longitudinal direction within the slope-type bent steel sheet form 10. Band reinforcing bars 220 arranged at intervals, and main reinforcing bars 210 formed on each side of the band reinforcing bars 220, are connected longitudinally on both sides of the edges of the band reinforcing bars 220 to connect a plurality of band reinforcing bars 220. ), and is inserted into the interior of the slope-type bent steel plate formwork (10).

At this time, the gap maintenance member 40 is arranged to avoid the band reinforcement 220 of the reinforcement network 20 to prevent interference between the reinforcement network 20 and the gap maintenance member 40, and the reinforcement mesh 20 is fixed to the reinforcement network 20. The band reinforcement 220 of the net 20 may be welded in contact with the gap maintenance member 40.

In addition, the reinforcing bar network 20 serves to reinforce the corners by forming auxiliary band reinforcing bars 230 to surround the main reinforcing bars 210 on each side.

In the present invention, in order to reinforce the corners of the pre-assembled SRC column assembly, a plurality of corner reinforcement members 150 can be formed to connect the inner corners of the corner steel plates 110 diagonally.

Such corner reinforcement member 150 may be made of various members such as plates, steel bars, angles, etc. As shown in FIG. 2, both ends of the corner reinforcement member 150 are inside the corner portion 111 of the corner steel plate 110. It can be joined to connect the sides.

As shown in FIG. 3, the edge reinforcement member 150 may be configured at a different height from the gap maintenance member 40, but may be configured on the same plane as the gap maintenance member 40. It can act as a resistance member to the concrete pouring pressure by acting organically.

Figure 5a is a perspective view of another embodiment of the pre-assembled SRC column assembly using H-beams and bent steel plates of the present invention, Figure 5b is a perspective view of the torsion prevention member in Figure 5a, and Figure 5c is a plan view of Figure 5a.

In particular, in the present invention, as shown in FIG. 5, a twist prevention member 70 is formed at one end or both ends in the longitudinal direction of the slope-shaped bent steel plate form 10 to prevent the twist of the twist prevention member 70 against the concrete placing pressure. It can be used as a guide when installing the core material 30 while resisting it.

As shown in FIG. 5, such torsion prevention member 70 is a plate composed of a steel pipe 710 in the shape of a square tube with an empty interior, and one end joined at a certain height on the outer surface of each side of the steel pipe 710. It is made of a torsion reinforcement plate 720 of the same shape.

The steel pipe 710 is made of a vertical tube body having a square cross-section into which the core material 30 can be inserted.

The torsion reinforcement plate 720 is made in the shape of a horizontal plate, and one end is joined to the outer surface of each side of the steel pipe 710, and is configured at a certain height of the steel pipe 710.

The twist prevention member 70 configured in this way allows the core material 30 to be inserted into the steel pipe 710 at the longitudinal end of the slope-type bent steel plate formwork 10, and the torsion reinforcement plate 720 is formed into the slope-type bent steel plate formwork 10. It is configured to be joined to the inner surface of (10). In a state where the steel pipe 710 is inserted and fixed into the core material 30, both ends of the torsion reinforcement plate 720 are connected to the steel pipe 710 and the inclined bent steel plate formwork 10, respectively. Because it is joined to the inner surface, the slope-shaped bent steel plate formwork 10 is consequently fixed to the core material 30 and is restrained when twisting occurs to prevent twisting.

In particular, the twist prevention member 70 can be configured to allow the steel pipe 710 to protrude a certain length further to the outside of the slope-type bent steel plate formwork 10, that is, as shown in Figure 5a, the slope-type bent steel plate formwork ( 10), when inserted into the upper end of the steel pipe 710, a certain section of the upper part of the steel pipe 710 protrudes upward, so that the core material 30 adjacent to the upper part is It can also serve as an inserted socket.

Additionally, the torsion prevention member 70 may be configured to have a plurality of through holes 721 formed in the torsion reinforcement plate 720.

As described above, the pre-assembled SRC column assembly using H-beam steel and bent steel plates of the present invention is made up of a core material made of H-beam steel and covered and reinforced on the outside with bent steel plates, so it can be pre-fabricated to simplify field work. In addition, the use of bent steel plates makes it easy to join, serves as a formwork, and increases economic efficiency. The external force is borne by the H-beam, and the reinforced concrete surrounding it can be used as a covering in the event of a fire. In particular, by configuring a plurality of spacing members to connect the core material and the formwork, not only can the spacing be kept constant, but it has the very useful effect of reinforcing the concrete pouring pressure and increasing the composite effect between the core material and concrete. there is.

So far, the present invention has been described in detail with reference to the presented embodiments, but those skilled in the art can make various variations and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. will be. The present invention is not limited by such variations and modifications, but is limited by the claims appended below.

10: Slope type bent steel plate form
110: corner steel plate
120: Central steel plate
20: rebar mesh
30: Heartwood
40: Absence of gap maintenance
70: Torsion prevention member

Claims (11)

A corner 111 having an L-shaped cross section and a joint 112 formed by bending inward at a right angle to both ends of the corner 111, forming a corner steel plate 110 in a square corner, and a plate shape of a certain length. A joint portion 121 is formed by bending the connecting portion 121 and both widthwise ends of the connecting portion 121 inward in a right angle direction, and the central steel plate 120 is formed between the adjacent corner steel plate 110 and the corner steel plate 110. A slope-type bent steel plate form (10) made of;
A core material (30) made of H-beam steel, which is vertically configured inside the inclined bent steel plate formwork (10) and includes a web (310) and upper and lower flanges (320) (320);
A plurality of space maintaining members 40 arranged at intervals in the height direction to horizontally connect the upper and lower flanges 320 of the core material 30 and the inner surface of the central steel plate 120 facing them;
The band reinforcing bars 220 are bent in a square shape and arranged at regular intervals in the longitudinal direction inside the slope-type bent steel plate form 10, and are connected longitudinally on both sides of the corners of the band reinforcing bars 220, forming a plurality of bands. It includes a reinforcing bar network (20) made of main reinforcing bars (210) formed on each side of the band reinforcing bars (220) to connect the reinforcing bars (220),
The torsion prevention member 70 is made of a square tube-shaped steel pipe 710 with an empty interior, and a plate-shaped torsion reinforcement plate 720 formed by joining one end at the outer surface of each side of the steel pipe 710, The core material 30 is inserted into the steel pipe 710 at the longitudinal end of the inclined bent steel plate formwork 10, and the torsional reinforcement plate 720 is configured to be joined to the inner surface of the inclined bent steel plate formwork 10. A pre-assembled SRC column assembly using H-beam steel and bent steel plates. In claim 1,
The gap maintenance member 40 is an assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, characterized in that it is made of any one of an angle, a channel, and a plate. In claim 1,
H, characterized in that a plurality of gap maintenance and weak axis reinforcement members 41 are formed at intervals in the height direction to horizontally connect the web 310 of the core material 30 and the inner surface of the central steel plate 120 facing it. Assembly for pre-assembled SRC columns using section steel and bent steel plates. In claim 1,
A vertical plate-shaped joint plate 140 is formed on the inner surface of the central steel plate 120 joined to the gap maintenance member 40, and the end of the gap maintenance member 40 is joined to the joint plate 140. Assembly for pre-assembled SRC columns using H-beam steel and bent steel plates. In claim 1,
The reinforcing bar network (20) is an assembly for a pre-assembled SRC column using H-beam steel and bent steel plates, characterized in that auxiliary band reinforcing bars (230) are formed to surround the main reinforcing bars (210) on each side. In claim 1,
An assembly for a line-assembled SRC column using H-beam steel and a bent steel plate, characterized in that a plurality of corner reinforcement members 150 are formed to diagonally connect the inner corners of the corner steel plate 110. In claim 1,
The corner reinforcement member 150 is an assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, characterized in that both ends are joined to each other to connect the inner surface of the corner portion 111 of the corner steel plate 110. In claim 1,
An assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, wherein the corner reinforcement member 150 is constructed on the same plane as the gap maintenance member 40. delete In claim 1,
The torsion prevention member 70 is an assembly for a pre-assembled SRC column using H-beam steel and a bent steel plate, characterized in that the steel pipe 710 is configured to protrude a predetermined length further to the outside of the inclined bent steel plate formwork 10. In claim 1,
The torsion prevention member 70 is an assembly for a line-assembled SRC column using H-beam steel and a bent steel plate, characterized in that the torsion reinforcement plate 720 is formed with a plurality of through holes 721.

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