KR101215060B1 - Steel reinforcement and concrete composite column having vertically coupling means and construction method using the same - Google Patents

Abstract

The present invention is a concrete body 10 extending in the longitudinal direction; Joining steel frame 20 is installed on the upper end of the concrete body; A mounting plate 30 attached to an upper surface of the joining steel frame and having a passing hole 32 formed therein; A connection reinforcing rod 12 embedded in the concrete body in a longitudinal direction and extending through the passing hole; And a plurality of insertion holes 14 formed in the bottom surface of the lower end of the concrete body at a position corresponding to the point at which the connecting reinforcing rod 12 is formed.

Reinforced concrete composite columns, splicing steel

Description

Steel reinforcement and concrete composite column having vertically coupling means and construction method using the same}

The present invention relates to a reinforced concrete composite column and a construction method using the same, and more particularly, by forming a through hole through which the slab reinforcing bars are formed in the column itself, it is easy to reinforce the connecting reinforcing bar, and the columns are vertically constructed. The present invention relates to a reinforced concrete composite column having a vertical connection means capable of easily connecting the ends, and a construction method using the same.

The structural form of the so-called 'ramenjo' consists of columns, beams, and slabs. In the case of constructing such a concrete ramen building, pillars and beams are installed, and slab formwork is formed with reinforcing bars on it and concrete is poured. In general, in the construction as described above, all the processes of installing the pillars, beams and slab formwork, and placing concrete are performed at the construction site, which requires complicated steps, manpower and time.

Korean Patent Registration No. 0797194 proposes a concrete composite column composed of H-beam and concrete body in order to minimize the amount of work and reduce the air at the construction site.

According to the patent, since the operator can complete the building structure by installing a pre-fabricated concrete composite column and simply connect the beam to it, there is an advantage that the construction is simpler and shorter air than the conventional method.

However, such concrete composite columns are easy to connect beams and reinforce slab reinforcing bars, but the work of connecting the ends between columns arranged vertically is still performed by conventional welding or high-strength bolting. Discomfort is bound to follow.

The present invention has been made in view of the above problems, by allowing the reinforcing bar to be continuously extended through the column to be installed reinforcement is very easy, vertical connection that can easily connect the upper and lower ends of the column It is an object of the present invention to provide a reinforced concrete composite column and a construction method using the same by employing the means at each pillar end, which is very convenient and shortens the construction.

In order to achieve the above object, the reinforced concrete composite column according to the first preferred aspect of the present invention includes: a concrete body extending in the longitudinal direction; Joining steel frame installed on the upper end of the concrete body; A seating plate attached to an upper surface of the joining steel frame and having a passing hole formed therein; A connection reinforcing bar embedded in the concrete body in a longitudinal direction and extending through the passing hole; And a plurality of insertion holes formed in the bottom surface of the lower end of the concrete body at a position corresponding to the point where the connecting reinforcing bar is formed.

Reinforced concrete composite column according to a second preferred embodiment of the present invention, the concrete body extending in the longitudinal direction; Connecting reinforcing bars embedded in the concrete body in the longitudinal direction such that both ends thereof are exposed; Joining steel frame installed on the top of the concrete body; An anchor plate attached to an upper surface of the joining steel frame and having a plurality of receiving holes formed therein; And a plurality of anchor bolts provided at a bottom surface of the bottom of the concrete body at a position corresponding to a receiving hole formed in the anchor plate.

Reinforced concrete composite column according to a third independent claim of the present invention, the concrete body extending in the longitudinal direction; Connecting reinforcing bars embedded in the concrete body in the longitudinal direction such that both ends thereof are exposed; Joining steel frame installed on the top of the concrete body; And a receiving plate attached to an upper end of the joining steel frame and having a plurality of passing holes formed at a position corresponding to the connecting steel.

Reinforced concrete composite column according to a fourth preferred claim of the present invention, the concrete body extending in the longitudinal direction; A connection bar embedded in the concrete body in a longitudinal direction such that both ends thereof are exposed, and an upper end thereof extends longer than a thickness of the slab to be constructed; A joining steel frame installed at an upper end of the concrete body and extending longer than the thickness of the slab being constructed; An anchor plate attached to an upper surface of the joining steel frame and having a plurality of receiving holes formed therein; And a plurality of anchor bolts provided at a bottom surface of the bottom of the concrete body at a position corresponding to a receiving hole formed in the anchor plate.

Reinforced concrete composite column according to the fifth preferred claim of the present invention, the concrete body extending in the longitudinal direction; A connection bar embedded in the concrete body in a longitudinal direction such that both ends thereof are exposed, and an upper end thereof extends longer than a thickness of the slab to be constructed; A joining steel frame installed at an upper end of the concrete body and extending longer than the thickness of the slab being constructed; And a receiving plate attached to an upper end of the joining steel frame and having a plurality of passing holes formed at a position corresponding to the connecting steel.

Reinforced concrete composite pillar according to the sixth preferred aspect of the present invention, the concrete body extending in the longitudinal direction; Connecting reinforcing bars embedded in the concrete body in the longitudinal direction such that both ends thereof are exposed; It is installed on the top of the concrete body, provided in parallel with each other and a pair of flange portion is formed with a first through hole through which the slab reinforcement, and provided to connect across the flange portion and different from the first through hole A joining steel frame composed of a web part in which a second through hole is formed; And a mounting bracket provided on the bottom surface of the bottom of the concrete body, wherein the pair of 'c'-shaped bracket members are spaced apart in a symmetrical structure by an interval corresponding to the thickness of the web portion.

Reinforced concrete composite column according to the seventh independent claim of the present invention, the concrete body extending in the longitudinal direction; A connection bar embedded in the concrete body in a longitudinal direction such that both ends thereof are exposed, and an upper end thereof extends longer than a thickness of the slab to be constructed; It is installed on the top of the concrete body, provided in parallel with each other and a pair of flange portion is formed with a first through hole through which the slab reinforcement, and provided to connect across the flange portion and different from the first through hole A joining steel frame composed of a web portion having a second through hole formed therein and extending longer than a thickness of the slab to be constructed; And a mounting bracket provided on the bottom surface of the bottom of the concrete body, wherein the pair of 'c' shaped bracket members are spaced apart in a symmetrical structure by an interval corresponding to the thickness of the web portion.

According to another aspect of the invention, the concrete body extending in the longitudinal direction, the joining steel frame provided on the upper end of the concrete body, the seating plate is attached to the upper surface of the joining steel frame and a plurality of passing holes are formed, Installing a lower reinforced concrete composite column embedded in the concrete body in a longitudinal direction and including a connecting rebar extending through the passing hole; Connecting an end of a beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; Pouring concrete into the joint and slab formwork and curing to build a joint and the slab structure; Connect the upper reinforced concrete composite column having a plurality of insertion holes formed on the bottom surface of the lower end portion corresponding to the point where the connecting reinforcing bar is formed, vertically downward to the seating plate upper surface of the lower reinforced concrete composite column, the insertion hole Coupling the connecting reinforcement of the lower reinforced concrete composite beam to be inserted into the inside; And filling the mortar with the insertion hole is provided.

The construction method provided according to the second preferred method independent claim of the present invention, the concrete body extending in the longitudinal direction, the connecting reinforcement is longitudinally embedded in the concrete body to expose the upper end, and the top of the concrete body Installing a lower reinforced concrete composite column including a bonded steel frame attached to the upper surface of the bonded steel frame and an anchor plate having a plurality of receiving holes formed therein;

A concrete body extending in the longitudinal direction, a connecting reinforcing bar embedded in the concrete body in the longitudinal direction so that the lower end thereof is exposed, and a plurality of anchor bolts provided on the bottom surface of the lower end of the concrete body at a position corresponding to the receiving hole. Connecting the upper reinforced concrete composite column to a vertical downward direction to an upper surface of the anchor plate of the lower reinforced concrete composite column, and inserting the anchor bolt into the receiving hole of the anchor plate to fasten it; Interconnecting corresponding connecting bars of the upper and lower reinforced concrete composite columns; Connecting an end of a beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; And constructing and curing concrete at the joint and the slab formwork to build the joint and the slab structure.

Building construction method provided according to the third preferred method independent claim of the present invention, the concrete body extending in the longitudinal direction, the connecting reinforcement is embedded in the longitudinal direction in the concrete body to expose the upper end, and the top of the concrete body Installing a lower reinforced concrete composite column including a joining steel frame installed in the upper portion of the joining steel frame, and a receiving plate having a plurality of passing holes formed at a position corresponding to the connecting steel frame; The upper reinforced concrete composite column including a concrete body extending in the longitudinal direction and a connecting reinforcement embedded in the concrete body in the longitudinal direction so that the lower end thereof is exposed, is vertically downward to an upper surface of the storage plate of the lower reinforced concrete composite column. Connecting to each other, wherein the connection reinforcing bars pass through the passing holes of the receiving plate; Interconnecting corresponding connecting bars of the upper and lower reinforced concrete composite columns; Coupling an end of the beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; And constructing the joints and the slab structure by pouring concrete and curing the joints and the slab formwork.

The construction method provided according to the fourth preferred method independent claim of the present invention is a concrete body extending in the longitudinal direction, and is embedded in the concrete body in the longitudinal direction and the upper end is extended longer than the thickness of the slab to be constructed Lower reinforced concrete composite column including a connecting reinforcing bar, a joint steel frame installed on the upper end of the concrete body and extending longer than the thickness of the slab to be constructed, and an anchor plate attached to the upper surface of the joint steel frame and formed with a plurality of receiving holes. Installing it; Connecting an end of a beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; Placing concrete on the joint and slab formwork and curing to build a joint and a slab structure such that the upper ends of the connecting reinforcing bars and the joining steel are exposed to the upper surface of the constructed slab structure; The anchor bolt is seated vertically downward on the anchor plate upper surface of the anchor plate of the lower reinforced concrete composite column having a plurality of anchor bolts formed on the bottom surface of the lower portion corresponding to the receiving hole formed in the anchor plate. Passing through the receiving hole; And simultaneously fixing the anchor bolts and interconnecting connecting bars of the upper and lower reinforced concrete composite columns.

The construction method provided according to the fifth preferred method independent claim of the present invention is a concrete body extending in the longitudinal direction, and is embedded in the concrete body in the longitudinal direction and the upper end is extended longer than the thickness of the slab to be constructed A connection steel bar, a connecting steel frame installed on the top of the concrete body and extending longer than the thickness of the slab to be constructed, and a plurality of passing holes are formed at a position corresponding to the connection steel bar and attached to the top of the connecting steel frame. Installing a lower reinforced concrete composite column including an accommodating plate; Connecting an end of a beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; Placing concrete on the joint and slab formwork and curing to build a joint and a slab structure, such that the upper ends of the connecting reinforcing bars and the joining steel are exposed to the upper surface of the constructed slab structure; Seating an upper reinforced concrete composite column having a connecting rebar vertically downward on an upper surface of a storage plate of the lower reinforced concrete composite column so that connecting reinforcing bars of the upper reinforced concrete composite column penetrate the passing hole; And interconnecting connecting bars of the upper and lower reinforced concrete composite columns.

Construction method provided according to the sixth preferred method independent claim of the present invention, the concrete body extending in the longitudinal direction, the connecting reinforcement in the longitudinal direction embedded in the concrete body to expose the upper end, and the top of the concrete body It is installed in, and provided in parallel with each other and a pair of flange portion formed with a first through hole and a web portion provided to connect across the flange portion and the second through hole is formed at a different height from the first through hole Installing a lower reinforced concrete composite column including a joining steel frame; A concrete body extending in the longitudinal direction, a connecting reinforcing bar embedded in the concrete body in the longitudinal direction so that the lower end is exposed, and is provided on the bottom surface of the lower end of the concrete body, a pair of bracket members are the thickness of the web portion Connect the upper reinforced concrete composite column including a mounting bracket spaced apart in a symmetrical structure by an interval corresponding to the vertically downward direction on the lower reinforced concrete composite column, wherein the web portion has a pair of brackets in the mounting bracket. Engaging to be inserted between the members; Interconnecting corresponding connecting bars of the upper and lower reinforced concrete composite columns; Coupling an end of the beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; And constructing the joints and the slab structure by pouring concrete and curing the joints and the slab formwork.

The construction method provided according to the seventh preferred method independent claim of the present invention is a concrete body extending in the longitudinal direction, and the upper end is embedded in the concrete body in the longitudinal direction so as to expose the upper end is more than the thickness of the slab to be constructed A pair of flanges and a flange having a first through hole through which connecting reinforcing rods extending long and extending longer than the thickness of the slab constructed at the upper end of the concrete body are provided in parallel with each other and through which the slab reinforcing bars pass. Installing a lower reinforced concrete composite column including a joining steel frame which is provided to connect across the branch and includes a web part having a second through hole formed at a different height from the first through hole; Connecting an end of a beam to the joining steel frame; Installing formwork for the joint and slab of the lower concrete composite column and beam; Placing concrete on the joint and slab formwork and curing to build a joint and a slab structure such that the upper ends of the connecting reinforcing bars and the joining steel are exposed to the upper surface of the constructed slab structure; A concrete body extending in the longitudinal direction, a connecting reinforcing bar embedded in the concrete body in the longitudinal direction so that the lower end is exposed, and is provided on the bottom surface of the lower end of the concrete body, a pair of bracket members are the thickness of the web portion Connect the upper reinforced concrete composite column including a mounting bracket spaced apart in a symmetrical structure by an interval corresponding to the vertically downwards on the lower reinforced concrete composite column, wherein the web portion is a pair of Inserting between bracket members; And interconnecting connecting bars of the upper and lower reinforced concrete composite columns.

Reinforced concrete composite column having a vertical connection means according to the present invention has the following effects.

First, the slab reinforcing bars extending along the beam can be continuously extended through the through holes formed in the H-beam without cutting at the point where they meet the column, so the reinforcement work is very easy when the slab is constructed.

Second, since the slab reinforcing bars extend continuously to the opposite side through the column, it is possible to secure the moment strength around the column without securing the fixing length through welding. In other words, the slab reinforcement is continuously connected to both sides around the pillar to ensure structural stability and reliability.

Third, it is possible to quickly and conveniently connect the vertical column arranged vertically through the vertical connection means provided at the end of the column has the advantage of excellent workability and work efficiency and shorten the air.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

1 and 2 show a schematic configuration of a reinforced concrete composite column according to a first preferred embodiment of the present invention. Here, Figure 1 shows a partial enlarged view and a perspective view of the reinforced concrete composite column, Figure 2 shows a side view.

Referring to the drawings, the reinforced concrete composite column according to the present invention is a concrete body 10 extending in the longitudinal direction, the connecting reinforcement 12 is embedded in the concrete body 10 in the longitudinal direction, and the concrete body And vertical connecting means provided at the end of (10).

The concrete body 10 is preferably a portion constituting the pillar body, the cross section may be configured in a variety of shapes, such as square and round.

In addition, the length of the concrete body 10 may be appropriately set in consideration of the height of the building.

The connecting reinforcement 12 is preferably embedded in the longitudinal direction at the edge or corner of the concrete body 10, the upper end extends exposed to the upper surface of the concrete body 10. However, the position of the connecting reinforcement 12 is not necessarily limited to the present invention.

The vertical connection means is for connecting the concrete columns arranged in the upper and lower parts, specifically, the connecting steel 12, including the connecting steel 12, the connecting steel 20 installed on the top of the concrete body 10, and the connecting steel ( A mounting plate 30 attached to the upper surface of the 20 and a plurality of insertion holes 14 formed on the bottom surface of the lower end of the concrete body 10 to correspond to the position where the connecting reinforcing bar 12 is installed.

3 shows a cross-sectional view taken along line II-II of FIG. 2, in which the construction of the bonded steel frame 20 is shown in more detail.

Referring to the drawings together, the joining steel frame 20 is composed of a pair of flange portions 22 parallel to each other, a web portion 24 connecting across the flange portion 22, the bottom is the concrete It may be fixed while embedded in the upper end of the body (10). As another alternative, an embedded plate 28 may be embedded in the upper end of the concrete body 10 and the lower end of the joining steel 20 may be fixed to the upper surface by welding.

According to the present invention, a plurality of through holes 16 and 18 are formed in the joining steel frame 20 so that the slab reinforcing bars, which will be described later, penetrate. This through hole is composed of a first through hole (16 in Fig. 1) formed in the flange portion 22 of the joining steel frame 20, and a second through hole 18 formed in the web portion 24. do.

The first through hole 16 and the second through hole 18 are formed to be shifted to different heights so that the slab rebars extending through the respective through holes 16 and 18 do not interfere with each other. For sake. Therefore, the slab rebars penetrating the first through hole 16 extend at right angles with respect to the slab rebars penetrating the second through holes 18 at different heights.

The number of the through holes 16 and 18 is not particularly limited by the present invention, and may be appropriately set in consideration of the scale and required strength of the pillars, beams, and slabs.

In addition, a plurality of T-shaped brackets 26 are attached to side surfaces of the joining steel frame 20, that is, side surfaces of the flange part 22 and the web part 24.

The T-shaped bracket 26 may be formed by welding a steel frame member having a 'T' shape having a fastening hole 26a to the side surface of the joining steel frame 20. In the present embodiment, the use of the T-shaped bracket 26 as described above is for connecting the T-shaped steel-reinforced concrete composite beam as described below.

However, the configuration of the bracket is not necessarily limited to the embodiment of the present invention, it should be understood that any manner can be employed as long as the configuration can be coupled by the end of the beam and the fastening member.

The seating plate 30 is a member attached to the upper surface of the joining steel frame 20 by welding, for example, a lower end portion of the upper concrete column connected to the upper part is seated and supported.

A plurality of passing holes 32 are formed in the seating plate 30. The passing holes 32 pass through connecting bars 12 extending upward. In an embodiment of the present invention, each reinforcing bar is passed through a corresponding one passing hole 32, but as another alternative, a plurality of reinforcing bars to penetrate one large passing hole at a time instead of an individual passing hole It is also possible to be configured.

On the other hand, the bottom surface of the bottom of the concrete body 10 has a plurality of insertion holes 14 are inserted in the longitudinal direction in which the connecting reinforcing bars 12 extending through the passing hole 32 of the seating plate 30 is inserted It is. To this end, the insertion hole 14 is formed at a position corresponding to the portion where the connecting reinforcing bar 12 is formed. In the present invention, the position and the number of the connecting reinforcing bar 12 and the insertion hole 14 are not particularly limited and may be appropriately set according to the size and cross-sectional area of the reinforced concrete composite column connected to each other.

Then, a method of constructing a building using the reinforced concrete composite column of the present invention having the above configuration will be described. According to the present invention, the reinforced concrete composite pillars at the top and the bottom may be connected before or after slab casting, where the reinforced concrete composite columns described in FIGS. 1 to 3 belong to the latter.

First, the reinforced concrete composite column prepared in advance according to the present invention is installed on the foundation plate of the construction site. At this time, the lower end of the concrete body 10 is installed to be fixed on the base plate, this pillar installation method is not particularly limited by the present invention. The reinforced concrete column thus installed is referred to as a lower reinforced concrete composite column as distinguished from the reinforced concrete composite column installed above.

The end of the beam is then connected to the reinforced concrete composite column. In the present specification, 'beam' refers to a steel structure (H-beam) itself or a composite structure made of steel (H-beam) and concrete. More preferably, the beam includes a T-shaped steel-reinforced concrete composite beam (hereinafter referred to as a 'T-shaped composite beam') as shown in FIG.

Referring to FIG. 4, the T-shaped composite beam has a cross-section T-shaped steel frame 100, a stirrup rebar 102 installed at predetermined intervals on the T-shaped steel frame 100, and the T-shaped steel frame 100. A concrete member 104 that is poured to bury at least a portion of the portion thereof.

The T-shaped steel frame 100 is composed of a web 110 extending along the longitudinal direction, and a lower flange 120 extending while connected at a right angle to the lower end of the web 110.

The concrete member 104 is integrally poured to bury at least a portion of the web 110 of the T-shaped steel frame 100 and the lower flange 120 is formed.

The concrete member 104 to effectively resist the bending stress and the compressive force acting in the axial direction with the T-shaped steel frame (100). In addition, the concrete member 104 is configured to effectively respond to the bending stress by increasing the cross-sectional area of the steel concrete composite beam.

Preferably, the T-shaped composite beam further includes a plurality of embedded reinforcement 106 is embedded in the concrete member 104 in the longitudinal direction. This buried reinforcement 106 functions to resist tensile and compressive stresses acting on the composite beam.

More preferably, a cavity 108 may be formed in at least a portion or the entirety of the concrete member 104 of the T-shaped composite beam in a longitudinal direction, the cavity 108 having an inverse cross section. It may have a trapezoidal or quadrangular shape, and may be formed by installing metal lath and pouring concrete in an area where a cavity is to be formed when manufacturing the concrete member 104. The cavity 108 reduces the overall weight of the composite beam by not filling concrete in at least a portion of the concrete member 104.

In addition, the web 110 or the lower flange 120 of the T-shaped steel 100 is provided with a plurality of studs 112, when embedded in the concrete member 104, T-shaped steel 100 and concrete member It serves to strengthen the combination of (104).

Both ends of the T-shaped steel frame 100 remains exposed without being embedded in the concrete member 104, which is to connect the concrete composite beam to the reinforced concrete composite column according to the present embodiment. To this end, a plurality of fastening holes 100a are formed at ends of the exposed T-shaped steel frame 100.

So far, the configuration of the T-shaped composite beam has been described in detail with reference to the drawings, but the beam which can be constructed by the method of the present invention is not limited thereto. Patent No. 0040250, Patent No. 0761785, Patent No. 071786, and the like. It is to be understood that all of the described beams can be applied to the present invention.

The T-shaped composite beam having the above structure is coupled to the T-shaped bracket 26 attached to the side of the bonded steel frame 20 of the reinforced concrete composite beam, which is illustrated in FIGS. 5 and 6.

More specifically, the coupling plate 130 is fastened with the web 110 and the lower flange 120 of the T-shaped composite beam arranged to correspond to the web portion and the flange portion of the T-shaped bracket 26, respectively. After the alignment to match the (26a) (100a) is fixed by inserting the fastening bolt 132. In addition, the end of the T-shaped composite beam can be connected to the joining steel 20 using a weld or a bracket of various structures, of course.

As described above, after the installation of the reinforced concrete composite column and the T-shaped composite beam, the slab reinforcement and the formwork are subsequently installed. 6 to 8 show a process of reinforcing slab reinforcing bars 140 and 150 according to a preferred embodiment of the present invention.

According to the present invention, the slab reinforcing bars 140 and 150 extending along the T-shaped composite beam are disposed to pass through the through holes 16 and 18 formed in the joining steel frame 20 of the reinforced concrete composite column. That is, the first slab reinforcing bar 140 extending in one direction along the T-shaped composite beam passes through the first through hole 16 formed in the flange portion 22 of the joining steel frame 20, and the first slab reinforcing bar ( The second slab reinforcing bars 150 extending in a direction perpendicular to the 140 are installed to pass through the second through holes 18 formed in the web part 24 of the joining steel frame 20.

In this case, since the first through hole 16 and the second through hole 18 are formed at different heights, the first slab reinforcing bar 140 and the second slab reinforcing bar 150 may extend without interfering with each other. .

According to a more preferred embodiment of the present invention, the slab reinforcing bars 140 and 150 can be easily inserted into the through holes 16 and 18 using an auxiliary insertion tool, which auxiliary insertion tool is for example. It may be configured as shown in FIG.

Referring to the drawings, one side of the auxiliary insertion tool is inserted into the first and second through holes 16 and 18, while the other end is for inducing easy insertion of the slab reinforcing bars 140 and 150. Insertion pipe 200 is formed with a funnel-shaped guide portion (200a) and may be composed of a mounting rod 210 for supporting the insertion pipe (200).

Preferably, the insertion tube 200 has a semi-cylindrical shape in which an upper surface thereof is cut off, and thus, the operator may have one end of the first and second through holes 16 at the one end of the insertion tube 200 as shown in FIG. 6. In the state inserted into the predetermined depth (18), the slab reinforcing bars 140, 150 through the induction portion 200a is seated and then can be easily inserted into the through hole.

As another embodiment of the present invention, as shown in Figure 43, it is also possible to insert a plurality of rebars at the same time using a plurality of insertion pipes (200). In this case, the plurality of insertion pipes 200 are disposed at appropriate intervals on the cradle 230 connected to the tip of the cradle 220. That is, the holder 230 has a long hole 231 is formed, the end of the insertion pipe 200 is coupled to be slidable, for example, the insertion tube 200 is positioned in the bolt-nut coupling Can be fixed.

More preferably, the cradle 230 is engraved on the scale can be accurately set according to the interval of the insertion tube 200.

As described above, formwork for slab casting is installed in the state in which the installation of the T-shaped composite beam and the slab reinforcing bars 140 and 150 is completed, more specifically, as shown in FIG. An auxiliary formwork 300 is installed at a point where the steel frame 20 is connected, and a deck plate or a precast slab (not shown) is mounted on the concrete member 104 of the T-shaped composite beam. The deck plate is typically manufactured integrally with the crank reinforcing bar and its configuration and function are already well known in the art, so detailed description thereof will be omitted.

In addition, if necessary with the installation of the deck plate can further reinforce the slab reinforcement.

When the installation of the deck plate and the auxiliary formwork 300 is completed as described above, the concrete is poured on it to build a slab structure. 11 schematically shows an example of such a constructed slab structure. Here, the area indicated by the light solid line represents a part which is embedded in the slab concrete and is not actually visible.

According to the present invention, in the state in which the slab structure is poured as described above, the connecting bar 12 extending through the seating plate 30 and the seating plate 30 is exposed to the upper surface of the slab. Therefore, the upper reinforced concrete composite column is coupled using the exposed seating plate 30 and the connecting reinforcement 12.

To this end, the upper reinforced concrete composite columns to be joined are joined vertically downward from the top, as shown in FIGS. 11 and 12. At this time, the connecting reinforcement 12 of the lower reinforced concrete composite beam is inserted into the insertion hole 14 formed in the bottom of the concrete body 10 in the upper reinforced concrete composite column, whereby the upper reinforced concrete composite column is shown in Figure 13 As shown in FIG. 3, the mounting plate 30 may be positioned on the seating plate 30.

Preferably, the length of the connecting reinforcing bar 12 is set to an appropriate level to be inserted into the plurality of insertion holes 14 formed in the bottom surface of the bottom of the concrete body 10, as will be described later.

Subsequently, in order to fix the connecting rod 12 more firmly, it is preferable to inject mortar into the insertion hole 14.

Since the upper end of the upper reinforced concrete composite column is provided with a joining steel frame and a T-bracket, the upper layer slab can be constructed by repeating the operation of connecting the beam in the same manner as described above.

14 to 16 show a schematic configuration of a reinforced concrete composite column according to a second embodiment of the present invention. Here, FIG. 14 is a perspective view and a partially enlarged view of the reinforced concrete composite column according to the present embodiment, FIG. 15 is a front view, and FIG. 16 is a plan view, respectively. Couplers are omitted in FIGS. 15 and 16. In addition, in these drawings, the same reference numerals as in the previously shown drawings indicate members having the same function.

Referring to the drawings, the reinforced concrete composite column according to the present invention is a concrete body 10 extending in the longitudinal direction, the connecting reinforcement 12 is embedded in the concrete body 10 in the longitudinal direction, and the concrete body The joining steel frame 20 provided in the upper end of the 10, and the storage plate 70 attached to the upper end of the joining steel frame 20 is included.

In the present embodiment, unlike the above-described embodiment, the connecting reinforcing bar 12 does not penetrate the receiving plate 70 and extends in the longitudinal direction to be exposed at the upper end and the lower end of the concrete body 10. At this time, the exposed length of the connecting reinforcing bar 12 is set to an appropriate level to connect the connecting reinforcing bar of the upper and lower reinforced concrete composite column with a coupler as described below.

The joining steel 20, like the previous embodiment, is composed of a pair of flange portion 22 and the web portion 24, the lower end is embedded in the upper end of the concrete body 10 or embedded plate ( 28 is fixed by welding. In addition, the flange portion 22 and the web portion 24 of the joining steel 20 is formed with a first through hole 16 and a second through hole 18 at different heights, respectively, and a plurality of side surfaces thereof. T-shaped bracket 26 is attached.

The receiving plate 70 is a member attached to the upper end of the joining steel frame 20, for example, by welding, and is a part of which the bottom surface of the lower end of the upper reinforced concrete composite column connected vertically is seated and supported.

In addition, a plurality of passing holes 70a are formed in the receiving plate 70, and the connecting bars 12 ′ of the upper reinforced concrete composite column vertically connected therethrough are penetrated therein. Therefore, the passing hole 70a is formed to correspond to the position where the connecting reinforcing bars 12 'are embedded.

A process of constructing a building using a reinforced concrete composite column according to the present embodiment is schematically illustrated in FIGS. 17 and 21. According to this embodiment, the reinforced concrete composite columns at the top and the bottom are connected to each other before slab casting, which is different from the above-described embodiment.

Specifically, the bottom reinforced concrete composite column having the configuration of the present embodiment is installed on the foundation plate of the construction site. At this time, the lower end of the concrete body 10 is installed to be fixed on the base plate, for this purpose, the lower end of the concrete body 10 may not be provided with a connecting reinforcement 12 or the like.

As described above, the installation method of the lower reinforced concrete composite column is not particularly limited, various construction methods can be applied.

When the installation of the lower reinforced concrete composite column is completed, the upper reinforced concrete composite column is connected thereto, as shown in FIG. 17. That is, the upper reinforced concrete composite column is coupled vertically downward from the top toward the storage plate 70, wherein the connecting reinforcement 12 ′ exposed to the lower end of the upper reinforced concrete composite column is formed in the storage plate 70. It passes through the passing hole 70a.

At the same time, the connecting bars 12 'and 12 of the upper and lower reinforced concrete composite columns are placed in corresponding positions.

Then, as shown in FIG. 18, the connecting bars 12 ′ and 12 ′ of the upper and lower reinforced concrete composite columns are connected to the coupler C. The coupler (C) is a tool for interconnecting by using a thread formed on the outer peripheral surface of the end of the connecting reinforcing bars 12 and 12 ', and thus a detailed function or description thereof will be omitted.

Then, the ends of the T-shaped composite beams are connected to the connection sites of the upper and lower reinforced concrete composite columns, for example, as shown in FIG. In the same manner as in the above-described embodiment, the T-shaped steel frame 100 of the T-shaped composite beam using the connecting plate 130 and the fastening bolt 132 to the T-shaped bracket 26 attached to the joining steel 20 Tighten by

Then, as shown in Figure 19 and 20, copper slab reinforcing bars 140, 150 to pass through the first and second through holes 16, 18 formed in the joining steel frame 20 In the city, a slab formwork is installed and concrete is poured on it to complete the slab structure. The slab structure completed by this process is schematically illustrated in FIG. Here, the area indicated by the light solid line represents a part which is embedded in the slab concrete and is not actually visible.

Subsequently, since the upper end of the upper reinforced concrete composite column is provided with a joining steel frame and a T-shaped bracket, the upper layer slab can be constructed by repeating the operation of connecting the beam in the same manner as described above.

22 to 24 show a schematic configuration of a reinforced concrete composite column according to a third embodiment of the present invention. Here, the same reference numerals as in the above-described drawings indicate members having the same function.

Referring to the drawings, the reinforced concrete composite column according to the present invention is a concrete body 10 extending in the longitudinal direction, the connecting reinforcement 12 is embedded in the longitudinal direction of the concrete body 10, and the concrete body Bonding steel 20 is installed on the upper end of the 10, and the anchor plate 40 attached to the upper surface of the bonding steel 20.

According to the present embodiment, the connecting reinforcing bar 12 does not penetrate the anchor plate 40, and both ends thereof are extended to be exposed at the upper end and the lower end of the concrete body 10, and the exposed length thereof is the upper part. And it is set to a suitable degree to connect the connecting reinforcement of the lower reinforced concrete composite column with a coupler.

The joining steel frame 20, as described above, is composed of a pair of flange portion 22 and the web portion 24, the lower end is embedded in the upper end of the concrete body 10 or embedded plate 28 Can be fixed by welding. In addition, the flange portion 22 and the web portion 24 of the joining steel 20 is formed with a first through hole 16 and a second through hole 18 at different heights, respectively, and a plurality of side surfaces thereof. T-shaped bracket 26 is attached.

The upper surface of the anchor plate 40 is mounted on the bottom surface of the lower end of the upper reinforced concrete composite column vertically connected, a plurality of receiving holes (40a) is formed.

On the other hand, the bottom surface of the bottom of the concrete body 10, a plurality of anchor bolts 50 are provided at a position corresponding to the receiving hole 40a formed in the anchor plate 40. Preferably, the anchor bolt 50 is installed so that the head portion (not shown) is embedded in the bottom surface of the lower end of the concrete body 10 at the same time the body portion is exposed to extend downward, more preferably to reinforce the rigidity The buried plate 52 may be further provided. The buried plate 52 is embedded in the bottom surface of the lower end of the concrete body 10, a plurality of holes through which the body portion of the anchor bolt 50 is formed.

A process of constructing a building using a reinforced concrete composite column according to the present embodiment is schematically illustrated in FIGS. 25 and 26. Also in the building construction method according to the present embodiment, the reinforced concrete composite columns at the top and bottom are connected in advance before slab casting.

In the same manner as described above, the lower reinforced concrete composite column according to the present embodiment is installed on the foundation plate of the construction site.

When the installation of the lower reinforced concrete composite column is completed, as shown in Figure 25 to connect the upper reinforced concrete composite column thereon. That is, the upper reinforced concrete composite column is coupled vertically downward from the top toward the anchor plate 40, wherein a plurality of anchor bolts 50 formed on the bottom surface of the lower end of the concrete body 10 in the upper reinforced concrete composite column Is inserted into the receiving hole 40a formed in the anchor plate 40, and thus, the connecting bars 12 'and 12' of the upper and lower reinforced concrete composite columns are placed at corresponding positions.

Then, the anchor bolt 50 inserted into the receiving hole 40a is fixed by tightening with a nut 54, as shown in FIG. 26, connecting bars 12 'of the upper and lower reinforced concrete composite columns ( 12) are interconnected by a coupler (C).

In the state in which the upper and lower reinforced concrete composite columns are connected as described above, the process of pouring the slab after connecting the ends of the T-shaped composite beam and installing the formwork is the same as in the above-described embodiments, and thus, repetitive description thereof will be omitted. Shall be.

27 to 30 show a schematic configuration of a reinforced concrete composite column according to a fourth embodiment of the present invention. Here, FIG. 27 is a perspective view and a partially enlarged view of the reinforced concrete composite column according to the present embodiment, FIG. 28 is a front view, FIG. 29 is a plan view, and FIG. 30 is a bottom view, respectively. In addition, in these drawings, the same reference numerals as in the previously shown drawings indicate members having the same function.

Referring to the drawings, the reinforced concrete composite column according to the present invention is a concrete body 10 extending in the longitudinal direction, the connecting reinforcement 12 is embedded in the longitudinal direction of the concrete body 10, and the concrete body It includes a joining steel frame 20 installed on the top of the (10).

According to this embodiment, the connecting reinforcement 12 is extended in the longitudinal direction to be exposed from the upper end and the lower end of the concrete body 10, the exposure length is to connect the connecting reinforcement of the upper and lower reinforced concrete composite column with a coupler To the appropriate degree.

The joining steel frame 20, as described above, is composed of a pair of flange portion 22 and the web portion 24, the lower end is embedded in the upper end of the concrete body 10 or embedded plate 28 Can be fixed by welding. In addition, the flange portion 22 and the web portion 24 of the joining steel 20 is formed with a first through hole 16 and a second through hole 18 at different heights, respectively, and a plurality of side surfaces thereof. T-shaped bracket 26 is attached.

According to this embodiment, a plurality of fastening holes 22a and 24a are formed in the flange portion 22 and the web portion 24 of the joining steel frame 20 in addition to the through holes. Bracket 60 and is for coupling to each other with a bolt.

On the other hand, the bottom surface of the bottom of the concrete body 10 is provided with a mounting bracket 60, the mounting bracket 60 is a symmetrical structure of a pair of 'c'-shaped brackets spaced apart from each other by a predetermined distance (D) It is composed of members. In addition, the bracket member is formed with a fastening hole 60a for bolting.

The spacing D between the pair of bracket members corresponds to the thickness of the web portion 24 of the joining steel frame 20. Therefore, when the joining steel frame 20 is coupled to the mounting bracket 60, the web portion 24 is seated while being inserted between the pair of bracket members, while the flange portion 22 is the pair of bracket members. In contact with both ends of the bent.

The mounting bracket 60 may be fixed to the bottom surface of the bottom of the concrete body 10 by embedding, or preferably by welding to the buried plate 29 embedded in the bottom surface.

A process of constructing a building using a reinforced concrete composite column according to the present embodiment is schematically illustrated in FIGS. 31 and 32. Also in the building construction method according to the present embodiment, the reinforced concrete composite columns at the top and bottom are connected in advance before slab casting.

The process of installing the lower reinforced concrete composite column having the configuration of the present embodiment on the foundation plate of the construction site is the same as described above.

The upper reinforced concrete composite column is vertically connected to the lower reinforced concrete composite column as shown in FIG. 31. At this time, the web portion 24 of the joining steel 20 is inserted between the pair of bracket members in the mounting bracket 60, and at the same time the flange portion 22 is in contact with both ends of the bent portion of the pair of bracket members. do.

In this state, the fastening bolts 134 are inserted into the fastening holes 22a and 24a of the joining steel frame 20 and the fastening holes 60a of the pair of bracket members aligned with each other as shown in FIG. Done. Preferably, it is also possible to weld the contact portion of the joining steel 20 and the buried plate 29 or seating bracket 60 to further reinforce the bonding force.

In addition, the connecting bars 12 'and 12 of the upper and lower reinforced concrete composite columns are connected by the mutual coupler (C).

In the state in which the upper and lower reinforced concrete composite columns are connected as described above, the process of pouring the slab after connecting the ends of the T-shaped composite beam and installing the formwork is the same as in the above-described embodiments, and thus, repetitive description thereof will be omitted. Shall be.

33 is a schematic configuration of a reinforced concrete composite column according to a fifth preferred embodiment of the present invention. Here, the same reference numerals as in the above-described drawings indicate members having the same function.

Referring to the drawings, the reinforced concrete composite column according to the present invention includes a concrete body 10 extending in the longitudinal direction, a connecting reinforcing bar 12A embedded in the concrete body 10 in the longitudinal direction, and the concrete body The joining steel 20A provided in the upper end of the 10, and the storage plate 70 attached to the upper end of the joining steel 20A are included.

In the present embodiment, unlike the above-described embodiment, the connecting reinforcing bars 12A do not penetrate the receiving plate 70 and extend in the longitudinal direction to be exposed at the upper end and the lower end of the concrete body 10. The connecting reinforcing bars 12A are connected to the connecting reinforcing bars 12 'of the upper reinforced concrete composite column by a coupler as described below.

The joining steel 20A is composed of a pair of flange portion 22A and a web portion 24A, the lower end of which is embedded in the upper end of the concrete body 10 or fixed by welding to the buried plate 28 have.

In addition, as in the above-described embodiment, the first through hole 16 and the second through hole 18 are formed in the flange portion 22A and the web portion 24A of the joining steel frame 20A at different heights, respectively. On the side, a plurality of T-shaped brackets 26 are attached.

According to this embodiment, the length of the joining steel frame 20A and the extending reinforcing bar 12A is configured to be longer than the thickness of the slab to be constructed. Therefore, the upper end portions of the joining steel frame 20A and the connecting reinforcing bars 12A are kept exposed to the upper surface of the slab after the slab is constructed.

This is not only convenient, but also very advantageous for safety accident prevention, since the operator can perform work on the slab when connecting the connecting bars 12 'and 12A in the upper and lower parts with the coupler C.

The receiving plate 70 is a member attached to the upper end of the joining steel frame 20A, for example, by welding, and is a part on which the bottom surface of the lower end of the upper reinforced concrete composite column connected vertically is seated and supported.

In addition, the receiving plate 70 is formed with a plurality of passing holes 70a through which the connecting bars 12 'provided in the upper reinforced concrete composite column connected vertically.

A process of constructing a building using a reinforced concrete composite column according to the present embodiment is schematically illustrated in FIGS. 34 to 38. According to this embodiment, the reinforced concrete composite columns at the top and the bottom are connected after slab casting.

Specifically, as shown in Figure 34, the lower reinforced concrete composite column having the configuration of the present embodiment is installed on the base plate of the construction site, and connects the end of the T-shaped composite beam to the joining steel frame 20A.

Then, the slab reinforcing bars 140 and 150 are disposed to pass through the first and second through holes 16 and 18 formed in the joining steel frame 20A, and at the same time, a slab formwork is installed and concrete is placed thereon. To finish the slab structure. The slab structure completed by this process is schematically illustrated in FIG. 35. Here, the area indicated by the light solid line represents a part which is embedded in the slab concrete and is not actually visible.

According to the construction method of this embodiment, as can be seen in Figure 35, the upper end of the joining steel 20A and the connecting reinforcing bar 12A is exposed over the upper surface of the slab.

When the slab construction is completed as described above, as shown in Figure 36 to connect the upper reinforced concrete composite column thereon. That is, the upper reinforced concrete composite column is coupled vertically downward from the top toward the storage plate 70, wherein the connecting reinforcement 12 ′ exposed to the lower end of the upper reinforced concrete composite column is formed in the storage plate 70. It passes through the passing hole 70a.

At the same time, the connecting bars 12 'and 12A of the upper and lower reinforced concrete composite columns are placed in corresponding positions, and then the connecting bars 12 of the upper and lower reinforced concrete composite pillars are shown in FIG. 12A is connected to the coupler C.

Subsequently, as shown in FIG. 38, the formwork 310 is installed at the portion to which the connecting reinforcing bars 12 'and 12A are connected, and the concrete is poured to finish the column bottom.

Figure 39 shows a schematic configuration of a reinforced concrete composite column according to a sixth preferred embodiment of the present invention. Here, the same reference numerals as in the above-described drawings indicate members having the same function.

The overall configuration of the reinforced concrete composite column according to the present embodiment is substantially the same as the embodiment described with reference to FIG. 22, except that the lengths of the bonded steel frame and the extended reinforcing bars are different.

Specifically, the reinforced concrete composite column according to the present invention includes a concrete body 10 extending in the longitudinal direction, a connecting reinforcing bar 12A embedded in the longitudinal direction of the concrete body 10, and the concrete body 10 20A and the anchor plate 40 attached to the upper surface of the joining steel frame 20 is installed on the upper end of the).

As in the above-described embodiment, the length of the joining steel frame 20A and the extending reinforcing bar 12A is configured to be longer than the thickness of the slab to be constructed. Therefore, the upper ends of the joining steel frame 20A and the connecting reinforcing bars 12A are exposed to the upper surface of the slab after the slab is constructed.

The process of constructing the slab using the reinforced concrete composite column according to the present embodiment is the same as the above-described embodiment. 40 shows a state in which the slab is constructed by placing concrete after connecting the T-shaped composite beam to the reinforced concrete composite column and installing the formwork according to the present embodiment.

Also in this embodiment, the upper end of the joining steel frame 20A and the connecting reinforcing bar 12A is exposed on the upper surface of the built slab, and the upper reinforced concrete composite column is connected thereon.

At this time, the plurality of anchor bolts 50 formed on the bottom bottom surface of the concrete body 10 in the upper reinforced concrete composite column is inserted into the receiving hole 40a formed in the anchor plate 40 and this nut 54 Tighten to fix. At the same time, the connecting bars 12 'and 12A of the upper and lower reinforced concrete composite columns are interconnected by a coupler C.

Subsequently, the process of installing the formwork at the portion to which the connecting reinforcing bars 12 'and 12A are connected and placing concrete to finish the lower end of the column is the same as described above.

41 shows a schematic configuration of a reinforced concrete composite column according to a seventh preferred embodiment of the present invention. Here, the same reference numerals as in the above-described drawings indicate members having the same function.

The overall configuration of the reinforced concrete composite column according to the present embodiment is similar to the embodiment described with reference to FIG. 27, except that the lengths of the bonded steel frame and the extended reinforcing bar are different.

That is, the reinforced concrete composite column according to the present invention includes a concrete body 10 extending in the longitudinal direction, a connecting reinforcing bar 12A embedded in the longitudinal direction of the concrete body 10, and the concrete body 10 It includes a joining steel frame 20A installed on the top.

As in the above-described embodiment, the length of the joining steel frame 20A and the extending reinforcing bar 12A is configured to be longer than the thickness of the slab to be constructed. Therefore, the upper ends of the joining steel frame 20A and the connecting reinforcing bars 12A are exposed to the upper surface of the slab after the slab is constructed.

In addition, the bottom surface of the bottom of the concrete body 10 is provided with a mounting bracket 60, the mounting bracket 60 is a symmetrical structure of a pair of 'c' shaped brackets spaced apart from each other by a predetermined distance (D). The point comprised by a member is the same as that of the Example mentioned above.

Part of the process of constructing the slab using the reinforced concrete composite column according to the present embodiment is shown in FIG. As can be seen from the figure, in this embodiment, the upper end of the joining steel frame 20A and the connecting reinforcing bars 12A are exposed on the upper surface of the built slab, and the upper reinforced concrete composite column is connected thereon.

At this time, the web portion 24 of the joining steel frame 20A is inserted between the pair of bracket members provided in the seating bracket 60 in the upper reinforced concrete composite column, and at the same time the flange portion 22 is a pair of brackets It comes into contact with both ends of the bend in the member. In this state, the fastening bolts are inserted into the fastening holes 22a and 24a of the joining steel frame 20A and the fastening holes 60a of the pair of bracket members to be fixed to each other.

In addition, the connecting bars 12 'and 12A of the upper and lower reinforced concrete composite columns are connected by mutual couplers C.

Subsequently, the process of installing the formwork at the portion to which the connecting reinforcing bars 12 'and 12A are connected and placing concrete to finish the lower end of the column is the same as described above.

Although the present specification has been described in detail only for the configuration in which the joining steel frame 20 is provided at the top of the concrete body 10, as another alternative, the present invention is reinforced concrete provided at the bottom of the concrete body 10. The same applies to composite columns. In this case, only the positions of the joining steel frame and the corresponding connecting member are different, and the process of connecting the upper and lower concrete composite columns is the same, so those skilled in the art have special difficulties or difficulties in connecting these columns. There will be no. That is, the process of connecting the upper and lower concrete composite columns to each other and connecting the T-shaped composite beams to their connections and then installing the formwork and placing concrete can be easily carried out from the embodiments disclosed in the present invention. .

Although the present invention will be described in detail with reference to the following drawings, these drawings illustrate preferred embodiments of the present invention, and the technical concept of the present invention is not limited to the drawings and should not be interpreted.

1 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a first preferred embodiment of the present invention.

2 is a front view showing a schematic configuration of a concrete composite column according to a first preferred embodiment of the present invention.

3 is a plan view showing a schematic configuration of a concrete composite column according to a first preferred embodiment of the present invention.

Figure 4 is a perspective view showing a schematic configuration of the T-shaped steel- reinforced concrete composite beam according to a preferred embodiment of the present invention.

5 to 7 are schematic partial perspective views showing a process of constructing a slab structure using a concrete composite column according to a first preferred embodiment of the present invention.

8 is a schematic partial plan view showing a process of constructing a slab structure using a concrete composite column according to a first preferred embodiment of the present invention.

Figure 9 is a perspective view showing an example of an auxiliary tool for easily inserting the slab reinforcement when constructing a slab structure using a concrete composite column according to a first preferred embodiment of the present invention.

10 to 13 are some schematic perspective views showing a process of constructing a slab structure using a concrete composite column according to a first preferred embodiment of the present invention.

14 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a second preferred embodiment of the present invention.

15 is a front view showing a schematic configuration of a concrete composite column according to a second preferred embodiment of the present invention.

16 is a plan view showing a schematic configuration of a concrete composite column according to a second preferred embodiment of the present invention.

17 to 21 are some schematic perspective views showing a process of constructing a slab structure using a concrete composite column according to a second preferred embodiment of the present invention.

22 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a third preferred embodiment of the present invention.

Figure 23 is a front view showing a schematic configuration of a concrete composite column according to a third preferred embodiment of the present invention.

24 is a plan view showing a schematic configuration of a concrete composite column according to a third preferred embodiment of the present invention.

25 and 26 are some schematic perspective views showing a process of constructing a slab structure using a concrete composite column according to a third preferred embodiment of the present invention.

27 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a fourth preferred embodiment of the present invention.

28 is a front view showing a schematic configuration of a concrete composite column according to a fourth preferred embodiment of the present invention.

29 is a plan view showing a schematic configuration of a concrete composite column according to a fourth preferred embodiment of the present invention.

30 is a bottom view showing a schematic configuration of a concrete composite column according to a fourth preferred embodiment of the present invention.

31 and 32 are schematic partial perspective views showing a process of constructing a slab structure using a concrete composite column according to a fourth preferred embodiment of the present invention.

33 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a fifth preferred embodiment of the present invention.

34 to 38 are partial schematic perspective views illustrating a process of constructing a slab structure using a concrete composite column according to a fifth exemplary embodiment of the present invention.

39 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a sixth preferred embodiment of the present invention.

40 is a schematic partial perspective view showing a part of a process of constructing a slab structure using a concrete composite column according to a sixth preferred embodiment of the present invention.

41 is a perspective view and a partially enlarged view showing a schematic configuration of a concrete composite column according to a seventh preferred embodiment of the present invention.

42 is a schematic partial perspective view showing a part of a process of constructing a slab structure using a concrete composite column according to a seventh preferred embodiment of the present invention.

43 is a perspective view showing another example of an auxiliary tool for easily inserting a slab rebar according to the present invention.

Claims (24)

A concrete body 10 extending in the longitudinal direction; Joining steel frame 20 is installed on the upper end of the concrete body; A mounting plate 30 attached to an upper surface of the joining steel frame and having a passing hole 32 formed therein; A connection reinforcing rod 12 embedded in the concrete body in a longitudinal direction and extending through the passing hole; And Reinforced concrete composite column comprising a; a plurality of insertion holes (14) formed in the bottom surface of the lower end of the concrete body at a position corresponding to the point where the connecting reinforcement (12) is formed. The method of claim 1, The passing hole 32 is a reinforced concrete composite column, characterized in that a plurality of connecting reinforcing bars are configured to pass through one passing hole at a time. A concrete body 10 extending in the longitudinal direction; A connecting reinforcing bar 12 embedded in the concrete body in a longitudinal direction such that both ends thereof are exposed; Joining steel frame 20 installed on the top of the concrete body; An anchor plate 40 attached to an upper surface of the joining steel frame and having a plurality of receiving holes 40a formed therein; And Reinforced concrete composite column comprising a; a plurality of anchor bolts (50) provided at a position corresponding to the receiving hole (40a) formed in the anchor plate 40, the bottom surface of the concrete body. The method of claim 3, The anchor bolt is reinforced concrete composite column, characterized in that consisting of the head portion embedded in the bottom surface of the bottom of the concrete body, the body portion is exposed to extend below the bottom surface. A concrete body 10 extending in the longitudinal direction; A connecting reinforcing bar 12 embedded in the concrete body in a longitudinal direction such that both ends thereof are exposed; Joining steel frame 20 installed on the top of the concrete body; And Reinforced concrete composite column, characterized in that it comprises ;; is attached to the upper end of the steel frame, the receiving plate 70 is formed with a plurality of passing holes (70a) in a position corresponding to the connecting reinforcing bar. A concrete body 10 extending in the longitudinal direction; A connecting reinforcing bar 12A embedded in the concrete body in a lengthwise direction such that both ends thereof are exposed, and an upper end thereof extending longer than a thickness of the slab to be constructed; A joining steel frame 20A installed at an upper end of the concrete body and extending longer than a thickness of the slab to be constructed; An anchor plate 40 attached to an upper surface of the joining steel frame and having a plurality of receiving holes 40a formed therein; And Reinforced concrete composite column comprising a; a plurality of anchor bolts (50) provided at a position corresponding to the receiving hole (40a) formed in the anchor plate 40, the bottom surface of the concrete body. A concrete body 10 extending in the longitudinal direction; A connecting reinforcing bar 12A embedded in the concrete body in a lengthwise direction such that both ends thereof are exposed, and an upper end thereof extending longer than a thickness of the slab to be constructed; A joining steel frame 20A installed at an upper end of the concrete body and extending longer than a thickness of the slab to be constructed; And Reinforced concrete composite column, characterized in that it comprises ;; is attached to the upper end of the steel frame, the receiving plate 70 is formed with a plurality of passing holes (70a) in a position corresponding to the connecting reinforcing bar. The method according to any one of claims 1 to 7, The joining steel frame, A pair of flange parts 22 provided in parallel with each other and having a first through hole 16 through which the slab rebars pass; And Reinforced concrete composite column comprising a; web portion 24 provided to connect across the flange portion and the second through hole (18) is formed at a different height from the first through hole. The method according to any one of claims 1 to 7, Reinforced concrete composite column further comprises a plurality of T-type brackets (26) attached to the side of the joining steel frame. A concrete body 10 extending in the longitudinal direction; A connecting reinforcing bar 12 embedded in the concrete body in a longitudinal direction such that both ends thereof are exposed; As installed on the top of the concrete body, provided in parallel with each other and a pair of flange portion 22 formed with a first through hole 16 through which the slab reinforcement, and provided to connect across the flange portion A joining steel frame 20 having a web part 24 having a second through hole 18 formed at a different height from the first through hole; And It is provided on the bottom surface of the bottom of the concrete body, a pair of 'c'-shaped bracket member is a mounting bracket 60 which is spaced apart in a symmetrical structure by an interval corresponding to the thickness of the web portion; Reinforced concrete composite pillars. A concrete body 10 extending in the longitudinal direction; A connecting reinforcing bar 12A embedded in the concrete body in a lengthwise direction such that both ends thereof are exposed, and an upper end thereof extending longer than a thickness of the slab to be constructed; As installed on the top of the concrete body, provided in parallel with each other and a pair of flange portion 22 formed with a first through hole 16 through which the slab reinforcement, and provided to connect across the flange portion A joining steel frame 20A which is composed of a web portion 24 having a second through hole 18 formed at a different height from the first through hole, and extending longer than the thickness of the slab to be constructed; And It is provided on the bottom surface of the bottom of the concrete body, a pair of 'c'-shaped bracket member is a mounting bracket 60 which is spaced apart in a symmetrical structure by an interval corresponding to the thickness of the web portion; Reinforced concrete composite pillars. The method according to claim 10 or 11, Reinforced concrete composite column further comprises a plurality of T-type brackets (26) attached to the side of the joining steel frame. Concrete body 10 extending in the longitudinal direction, the joining steel frame 20 is installed on the upper end of the concrete body, and the seating plate 30 is attached to the upper surface of the joining steel frame and a plurality of passing holes 32 are formed And a lower reinforced concrete composite column embedded in the concrete body in a longitudinal direction and including a connecting reinforcement 12 extending through the passing hole; Connecting the end of the beam to the joining steel frame (20); Installing formwork for the joint and slab of the lower concrete composite column and beam; Pouring concrete into the joint and slab formwork and curing to build a joint and the slab structure; The upper reinforced concrete composite column having a plurality of insertion holes 14 formed on the bottom surface of the lower portion corresponding to the point where the connecting reinforcing rod 12 is formed, is perpendicular to the upper surface of the seat plate of the lower reinforced concrete composite column Connecting to, but coupled to insert the connecting reinforcement of the lower reinforced concrete composite beam into the insertion hole (14); And Building construction method comprising a; filling the mortar into the insertion hole (14). Concrete body 10 extending in the longitudinal direction, connecting reinforcing bars 12 are embedded in the concrete body in the longitudinal direction so that the upper end is exposed, the joining steel 20 installed on the upper end of the concrete body, and the joining Installing a lower reinforced concrete composite column including an anchor plate 40 attached to an upper surface of the steel frame and having a plurality of receiving holes 40a formed therein; A concrete body extending in the longitudinal direction, a connecting reinforcing bar 12 'embedded in the concrete body in a longitudinal direction so that the lower end thereof is exposed, and a bottom surface of the bottom of the concrete body at a position corresponding to the receiving hole 40a. Connect the upper reinforced concrete composite column including a plurality of anchor bolts 50 provided in the vertical downward direction to the upper surface of the anchor plate of the lower reinforced concrete composite column, the anchor bolt 50 to the anchor plate 40 Inserting into the receiving hole 40a of the fastening step; Interconnecting corresponding connecting bars 12 'and 12 of the upper and lower reinforced concrete composite columns; Connecting the end of the beam to the joining steel frame (20); Installing formwork for the joint and slab of the lower concrete composite column and beam; And Building the joint and slab structure by pouring concrete and curing the joint and slab formwork; building construction method comprising a. Concrete body 10 extending in the longitudinal direction, connecting reinforcing bars 12 are embedded in the concrete body in the longitudinal direction so that the upper end is exposed, the joining steel 20 installed on the upper end of the concrete body, and the joining Installing a lower reinforced concrete composite column including a storage plate (70) attached to an upper end of the steel frame and having a plurality of passing holes (70a) formed at positions corresponding to the connection bars; An upper reinforced concrete composite column including a concrete body extending in the longitudinal direction and a connecting reinforcement 12 ′ embedded in the concrete body in a longitudinal direction so that the lower end thereof is exposed, a storage plate of the lower reinforced concrete composite column ( 70) connecting to the upper surface in the vertical direction, the coupling reinforcing bars (12 ') to pass through the passing hole (70a) of the receiving plate; Interconnecting corresponding connecting bars 12 'and 12 of the upper and lower reinforced concrete composite columns; Coupling an end of the beam to the joining steel frame (20); Installing formwork for the joint and slab of the lower concrete composite column and beam; And Building the joint and slab structure by pouring concrete and curing the joint and slab formwork; building construction method comprising a. Concrete body 10 extending in the longitudinal direction, the connecting rod 12A is embedded in the concrete body in the longitudinal direction and the upper end is extended longer than the thickness of the slab to be built, and installed on the top of the concrete body And a lower reinforced concrete composite column including a joining steel 20A extending longer than a thickness of the slab to be constructed, and an anchor plate 40 attached to an upper surface of the joining steel and having a plurality of receiving holes 40a formed therein. Installing; Connecting the end of the beam to the joining steel frame (20A); Installing formwork for the joint and slab of the lower concrete composite column and beam; Placing concrete on the joint and slab formwork and curing to build a joint and a slab structure such that the upper ends of the connecting reinforcing bars and the joining steel are exposed to the upper surface of the constructed slab structure; Anchor plate 40 of the lower reinforced concrete composite column to the upper reinforced concrete composite column having a plurality of anchor bolts 50 is formed on the bottom surface of the lower end portion corresponding to the receiving hole 40a formed in the anchor plate 40 Seating in a vertical direction perpendicular to an upper surface of the anchor bolt to penetrate the receiving hole; And Simultaneously fixing the anchor bolts and interconnecting the connecting reinforcing bars (12 ') (12A) of the upper and lower reinforced concrete composite columns. Concrete body 10 extending in the longitudinal direction, the connecting rod 12A is embedded in the concrete body in the longitudinal direction and the upper end is extended longer than the thickness of the slab to be built, and installed on the top of the concrete body And a receiving steel plate 20A extending longer than a thickness of the slab to be constructed, and a receiving plate 70 attached to an upper end of the connecting steel frame and having a plurality of passing holes 70a formed at a position corresponding to the connecting steel bar. Installing a lower reinforced concrete composite column comprising a); Connecting the end of the beam to the joining steel frame (20A); Installing formwork for the joint and slab of the lower concrete composite column and beam; Placing concrete on the joint and slab formwork and curing to build a joint and a slab structure such that the upper ends of the connecting reinforcing bars and the joining steel are exposed to the upper surface of the constructed slab structure; The upper reinforced concrete composite column having the connecting reinforcing bars 12 'is seated vertically downward on the upper surface of the storage plate of the lower reinforced concrete composite column so that the connecting reinforcing bars 12' of the upper reinforced concrete composite column are connected to the passing holes. Penetrating; And And connecting interconnecting bars (12 ') (12A) of the upper and lower reinforced concrete composite columns. The method according to any one of claims 13 to 17, The joining steel frame is provided in parallel with each other and a pair of flange portion 22 formed with a first through hole 16, and is provided to connect across the flange portion and the second to a different height from the first through hole A web portion 24 having a through hole 18 formed therein, And installing each of the first and second slab reinforcing bars (140) (150) so as to pass through the first and second through holes, respectively. 19. The method of claim 18, The first and second slab reinforcement, One end portion is inserted into the first and second through holes, while the other end portion is formed using an insertion tube 200 having a funnel-shaped guide portion 200a for inducing the insertion of the slab reinforcement. Building construction method characterized in that it is inserted into the second through hole. Concrete body 10 extending in the longitudinal direction, the connecting reinforcement 12 is embedded in the concrete body in the longitudinal direction so that the upper end is exposed, and is installed on the top of the concrete body, provided side by side A web portion having a pair of flange portions 22 having a first through hole 16 formed therebetween and a second through hole 18 formed at a different height from the first through hole. Installing a lower reinforced concrete composite column including a joining steel frame 20 composed of 24); A concrete body extending in the longitudinal direction, a connecting reinforcement 12 'embedded in the longitudinal direction in the concrete body so that the lower end is exposed, and a pair of bracket members are provided on the bottom surface of the lower end of the concrete body While connecting the upper reinforced concrete composite column including a seating bracket 60 is configured to be spaced apart in a symmetrical structure by an interval corresponding to the thickness of the web portion 24, vertically downward on the lower reinforced concrete composite column, Engaging the web portion 24 so as to be inserted between a pair of bracket members in the seating bracket 60; Interconnecting corresponding connecting bars 12 'and 12 of the upper and lower reinforced concrete composite columns; Coupling an end of the beam to the joining steel frame (20); Installing formwork for the joint and slab of the lower concrete composite column and beam; And Building the joint and slab structure by pouring concrete and curing the joint and slab formwork; building construction method comprising a. Concrete body 10 extending in the longitudinal direction, the connecting rod 12A is embedded in the concrete body in the longitudinal direction so that the upper end is exposed and the upper end is extended longer than the thickness of the slab to be constructed, and the concrete body It is installed to extend longer than the thickness of the slab constructed at the top of the mutually provided side by side and a pair of flanges 22 and the first through-hole 16 through which the slab reinforcing bars are formed and across the flanges Installing a lower reinforced concrete composite column including a joining steel frame (20A) formed of a web part (24) provided with a connection and having a second through hole (18) formed at a different height from the first through hole; Connecting the end of the beam to the joining steel frame (20A); Installing formwork for the joint and slab of the lower concrete composite column and beam; Placing concrete on the joint and slab formwork and curing to build a joint and a slab structure such that the upper ends of the connecting reinforcing bars and the joining steel are exposed to the upper surface of the constructed slab structure; A concrete body extending in the longitudinal direction, a connecting reinforcement 12 'embedded in the longitudinal direction in the concrete body so that the lower end is exposed, and a pair of bracket members are provided on the bottom surface of the lower end of the concrete body While connecting the upper reinforced concrete composite column including a seating bracket (60) spaced apart in a symmetrical structure by an interval corresponding to the thickness of the web portion 24, vertically downward on the lower reinforced concrete composite column, The web portion 24 is inserted between a pair of bracket members in the seating bracket 60; And And connecting interconnecting bars (12 ') (12A) of the upper and lower reinforced concrete composite columns. The method of claim 20 or 21, The seating bracket is composed of a 'c' shaped bracket member having a bent portion at both ends, When joining the upper and lower reinforced concrete composite columns, the flange portion 22 is in contact with the both ends of the building construction method. The method of claim 20 or 21, A first through hole 16 is formed in the flange portion of the joining steel frame 20, The web portion has a second through hole 18 is formed at a different height from the first through hole, And installing each of the first and second slab reinforcing bars (140) (150) so as to pass through the first and second through holes, respectively. 24. The method of claim 23, The first and second slab reinforcement, One end portion is inserted into the first and second through holes, while the other end portion is formed using an insertion tube 200 having a funnel-shaped guide portion 200a for inducing the insertion of the slab reinforcement. Building construction method characterized in that it is inserted into the second through hole.

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