JP5340700B2 - Connection structure of steel column and beam concrete main reinforcement - Google Patents

Description

  The present invention provides, for example, a steel column and a beam concrete main body in which a lower end portion of a steel column embedded in a foundation beam concrete in a building structure is coupled to a main reinforcing bar in the foundation beam concrete via an intermediate coupling member. The present invention relates to a reinforcing bar connection structure.

As a conventional connecting structure of a steel column and a beam concrete main reinforcing bar, for example, there is a connecting structure of a steel column and a basic beam concrete main reinforcing bar as shown in FIG. This steel column and foundation beam concrete main reinforcing bar connection structure is such that a single plate-like intermediate connecting member 20 is sandwiched between the upper and lower parts of a steel column 11 that is divided into upper and lower parts, and intermediate connected by welding. The member 20 is integrally fixed to the upper part and the lower part of the steel column 11. Then, by connecting the main reinforcing bar 16 of the foundation beam concrete to the intermediate connecting member 20, the main reinforcing bar 16 is connected to the lower end portion of the steel column 11 through the intermediate connecting member 20. It has become.
Japanese Patent No. 4033340

  However, in the connection structure of the conventional steel column and the basic beam concrete main reinforcing bar, the intermediate connecting member is screwed into the female screw hole provided in the intermediate connecting member 20 so that the intermediate connecting member 20 is screwed. Main reinforcement 16 is connected to 20. For this reason, the intermediate connecting member 20 has a structure in which the length of the female screw hole provided in the intermediate connecting member 20 is greatly extended in the horizontal direction from the side surface of the steel column to increase the size. There was a problem that the weight would increase.

  Therefore, in view of the above problems, the present invention can reduce the size of the mediation connecting member, and can easily attach the male screw-like member and the female screw-like member to the mediation connecting member. It is an object of the present invention to provide a connection structure of beam concrete main reinforcing bars.

In order to solve the above problems, the present invention
A steel column embedded in beam concrete, and a steel column and beam concrete main rebar structure in which the main reinforcement of beam concrete is connected via an intermediate connecting member,
The outer peripheral surface of the intermediate connecting member is formed substantially continuously in the vertical direction with the outer peripheral surface of the steel column so as not to protrude greatly outward in the horizontal direction from the outer peripheral side surface of the steel column.
Oite a vertical plane on the side connected to the main reinforcement of the outer peripheral portion of the intermediary coupling member, in the horizontal and vertical directions of the plurality of locations, the shaft the ends of the horizontal direction of the plurality of external thread-like member or the female screw member Are joined.

In addition, the connecting structure of the steel column and the beam concrete main reinforcement is
The male screw-like member provided on the vertical surface of the outer peripheral portion of the mediating connecting member is connected to the male screw-like end of the main reinforcing bar through a female screw-like member shorter than the main reinforcing bar. It is.

In addition, the connecting structure of the steel column and the beam concrete main reinforcement is
The female threaded member provided on the vertical surface of the outer peripheral part of the intermediate coupling member is connected to the male threaded end of the main reinforcing bar by screw coupling.

In addition, the connecting structure of the steel column and the beam concrete main reinforcement is
The female screw-like member provided on the vertical surface of the outer peripheral portion of the mediation connecting member is screw-coupled to one end of a male screw-like member shorter than the main reinforcing bar, and the other end of the male screw-like member is shorter than the main reinforcing bar. It is connected to the male thread end of the main reinforcing bar through a female thread member.

In addition, the connecting structure of the steel column and the beam concrete main reinforcement is
It said male screw-like member, when via the female screw member is coupled to the male screw-shaped end portion of the main reinforcing bars, and the male screw portion in the male screw-shaped end portion of the main reinforcing bars and the male screw-like portion of the male screw member Is characterized in that the inclination directions of the leads have a reverse screw-like relationship in opposite directions.

Moreover, the connection structure of the steel column of the present invention and the beam concrete main reinforcement is as follows:
A steel column embedded in beam concrete, and a steel column and beam concrete main rebar structure in which the main reinforcement of beam concrete is connected via an intermediate connecting member,
The intermediate connection member has a thickness that allows a shaft to form a female screw-shaped hole having a horizontal axis on the periphery thereof, and the outer peripheral surface of the intermediate connection member protrudes greatly outward in the horizontal direction from the outer peripheral side surface of the steel column. So as to be formed substantially continuously in the vertical direction with the outer peripheral surface of the steel column,
Oite a vertical plane on the side connected to the main reinforcement of the outer peripheral portion of the intermediary coupling member, the horizontal in the horizontal direction and the vertical direction opening to each of the plurality of positions, the axis is horizontal female screw-like hole the mediation connecting member Formed within the thickness of the direction ,
The female threaded hole is screw-coupled to one end of a male screw-like member shorter than the main reinforcing bar, and the other end of the male screw-like member is connected to the male threaded end of the main reinforcing bar via a female screw-like member shorter than the main reinforcing bar. It is connected with these.

It said male screw-like member, when via the female screw member is coupled to the male screw-shaped end portion of the main reinforcing bars, and the male screw portion in the male screw-shaped end portion of the main reinforcing bars and the male screw-like portion of the male screw member Is characterized in that the inclination directions of the leads have a reverse screw-like relationship in opposite directions.

According to such a connection structure of the steel column and the beam concrete main reinforcing bar of the present invention,
A steel column embedded in beam concrete, and a steel column and beam concrete main rebar structure in which the main reinforcement of beam concrete is connected via an intermediate connecting member,
By connecting the end face of the male screw-like member or female screw-like member whose axis is horizontal to the vertical surface of the outer peripheral portion of the mediation connecting member,
The mediation connecting member can be reduced in size, and the attachment work of the male screw-like member and the female screw-like member to the mediation connecting member can be facilitated.

Moreover, according to the connection structure of the steel column of the present invention and the beam concrete main reinforcement,
A steel column embedded in beam concrete, and a steel column and beam concrete main rebar structure in which the main reinforcement of beam concrete is connected via an intermediate connecting member,
A female screw hole with a horizontal axis that is open in the vertical surface of the outer peripheral portion of the intermediate connecting member is formed in the peripheral portion of the intermediate connecting member,
The female screw hole is screw-coupled to one end portion of a male screw-like member shorter than the main reinforcing bar, and the other end portion of the male screw-like member is connected to the male screw-like end portion of the main reinforcing bar via the female screw member. By
In addition to reducing the size of the mediation connecting member, it is possible to facilitate the attachment work of the male screw-like member and the female screw-like member to the mediation connecting member, and to attach the male end of the main reinforcing bar to the mediation connecting member. Work can be facilitated.

Hereinafter, the best mode for carrying out the connecting structure of a steel column and a beam concrete main reinforcing bar according to the present invention will be specifically described with reference to the drawings.
FIG.1 and FIG.2 is a figure referred in order to demonstrate the connection structure 2 of the steel column and foundation beam concrete main reinforcement which concerns on the 1st Embodiment of this invention.

  As shown in FIG. 1, the connection structure 2 of the steel column and the basic beam concrete main reinforcement according to the present embodiment includes a lower end portion 4 </ b> A embedded in the foundation beam concrete 6 of the steel column 4 and the foundation beam concrete 6. The main reinforcing bar 12 to be embedded is connected via an intermediate connecting member 8.

  The lower end portion 4A of the steel column 4 of the connection structure 2 is divided into an upper portion 4b and a lower portion 4c in the vertical direction, and the intermediate connection member 8 is sandwiched between the upper portion 4b and the lower portion 4c and is welded. The upper part 4b, the lower part 4c, and the mediation connecting member 8 of the steel column lower end part 4A are fixed integrally.

  Moreover, the same mediation connection member 8 as the mediation connection member 8 is also integrally fixed to the lower end surface of the lower portion 4c of the steel column lower end portion 4A by welding.

  As shown also in FIG. 2, the intermediate | middle connection member 8 is formed in the square frame shape (endless shape) in which the edge parts of each side continue and comprise a corner part. On each of the vertical surfaces of the two sides of the outer periphery of the square frame-shaped intermediate connecting member 8, there are six couplers 10 (female screw members) in the length direction of each side. Two are provided in the vertical direction (see FIG. 1).

  And the end surface of the coupler 10 is joined to the vertical surface of each side of the mediation connecting member 8 by using so-called pressure welding processing means. The pressure welding processing means means processing means for joining by melting and pressure-bonding portions that are in contact with each other by frictional heat generated by rotating the coupler 10 around an axis at high speed and pressing the coupler 10 against each side of the intermediate connecting member 8. .

  Needless to say, the coupler 10 is not limited to the two sides of the square frame-shaped intermediate connecting member 8 and is not limited to the above number. Since the steel column 4 according to the present embodiment is set up at the corner of the building, the coupler 10 connected to the main reinforcing bar 12 is formed in each of the two sides of the square frame shape of the intermediate connecting member 8. However, when the steel column 4 is stood at a position other than the corner of the building, the coupler 10 can be provided on each of the three sides or the four sides of the square frame.

  As shown in FIG. 2, the end of the main rebar 12 is connected to each of the couplers 10. That is, as shown in the figure, the end portion of the main reinforcing bar 12 is formed with a male threaded end portion 12a in which a male screw is formed by machining, and a female screw formed by machining in the shaft hole portion of the coupler 10. The male threaded end 12a of the main rebar 12 is connected to each of the couplers 10 by screwing the male threaded end 12a therein.

  According to the connection structure 2 between the steel column and the foundation beam concrete main reinforcing bar according to the first embodiment, since the coupler 10 is joined to the intermediate connection member 8, the outer peripheral portion of the intermediate connection member 8 is Since it is not necessary to project from the side surface of the steel column in the horizontal direction as in the prior art, the intermediate connection member 8 can be reduced in size.

  In addition, the coupler 10 is joined to the mediation connecting member 8 because the end face of the coupler 10 is joined to the vertical surface of each side of the mediation connecting member 8 using a press-working means. The attachment work of the coupler 10 can be facilitated.

  3 and 4 are views referred to for explaining a connection structure 21 of a steel column and a foundation beam concrete main reinforcing bar according to a second embodiment of the present invention.

  In the first embodiment, the coupler 10 is provided on each side of the square frame-shaped intermediate connecting member 8. However, in this second embodiment, the outer peripheral portion of the square frame-shaped intermediate connecting member 8. The end face of the screw rod member 23 (male-like member) in which the male screw is formed on the outer peripheral portion by machining is joined to the vertical surfaces of the two sides.

  The end surface of the screw rod member 23 is not formed by the press contact processing means like the coupler 10 in the first embodiment, but by an arc generated between the screw rod member 23 and the intermediate connecting member 8. 23 is joined to the mediation connection member 8 by so-called stud welding such that it is joined to the mediation connection member 8.

  As shown in FIG. 4, the distal end side (right end side in the figure) of the screw rod member 23 provided on each side of the mediation connecting member 8 is a coupler 25 (female thread-like) longer than the coupler 10 in the first embodiment. It is connected to the male threaded end 12a of the main reinforcing bar 12 via a member. That is, the threaded rod member 23 provided on the intermediate connecting member 8 and the male threaded end 12a of the main reinforcing bar 12 are mutually reverse screws.

  In connection with this, between the female thread formed inside one half length of the coupler 25 and the female thread formed inside the other half length part, there is also a reverse screw. It has become. Therefore, even if the main rebar 12 having a long length is not held and rotated by hand, it can be easily connected only by rotating the coupler 25. At this time, the screw rod member 23 and the main reinforcing bar 12 receive a force that is pulled by each other, and can be firmly tensioned and connected without sagging.

  According to the connection structure 21 of the steel column and the foundation beam concrete main reinforcing bar according to the second embodiment, since the screw rod member 23 is joined to the intermediate connection member 8, the outer peripheral portion of the intermediate connection member 8. However, since it is not necessary to extend from the side surface of the steel column in the horizontal direction as in the prior art, the intermediate connecting member 8 can be reduced in size.

  Further, the screw rod member 23 is joined to the intermediate connecting member 8 by stud welding so that the end face of the coupler 10 is joined to the vertical surface of each side of the intermediate connecting member 8 by stud welding. The attachment work of the screw rod member 23 can be facilitated.

  Further, the distal end side (the right end side in FIG. 4) of the screw rod member 23 is connected to the male threaded end portion 12a of the main reinforcing bar 12 via a coupler 25 (female threaded member) longer than the coupler 10 in the first embodiment. Therefore, the screw rod member 23 and the main rebar 12 can be easily connected by simply rotating the coupler 25 without having to rotate the main rebar 12 having a long length by hand. Since it can do, the connection operation | work of the main reinforcement 12 to the mediation connection member 8 can be made easy.

  In the first and second embodiments, the lower end 4A of the steel column 4 is divided into the upper part 4b and the lower part 4c in the vertical direction, and mediation is provided between the upper part 4b and the lower part 4c. Although the connecting member 8 is configured to be sandwiched, the illustration is omitted, but the horizontal shape of the intermediate connecting member 8 is further increased so that the lower end portion 4A of the steel column 4 has an upper portion 4b and a lower portion 4c. The lower end portion 4A of the steel column 4 is fitted in the frame-like intermediate connection member 8 in a state where the lower end portion 4A of the steel column 4 is continuous in the vertical direction, so that the intermediate connection member 8 is connected to the lower end portion of the steel column 4 You may make it fix to 4A by welding.

  FIG. 5 is a diagram used for explaining the third embodiment. In the first embodiment, as shown in FIG. 2, the male threaded end 12a of the main reinforcing bar 12 is directly screwed into the female thread of the coupler 10, but as shown in FIG. The male screw of one half of the screw rod member 32 that is much shorter than the main reinforcing bar 12 is screwed into the female screw of the coupler 10 provided in the connecting member 8, and the other half of the screw rod member 32 is about half of the other. The male screw in the length portion is screwed to the female screw in the length portion of one half of the coupler 25 used in the second embodiment, which is longer than the coupler 10, and the other half of the coupler 25 is screwed in. The male threaded end 12a of the main reinforcing bar 12 is screwed to the female thread in the opposite direction of the length.

  By configuring the third embodiment such that the second embodiment is combined with the first embodiment as described above, the second embodiment can also be used in the first embodiment. Similar to the embodiment, it is possible to easily connect the male end 12a of the main reinforcing bar 12 to the intermediate connecting member 8 by rotating the coupler 25 without rotating the main reinforcing bar 12 having a long length by hand. Can be linked.

  FIGS. 6 and 7 are views referred to for explaining a connection structure 40 of a steel column and a foundation beam concrete main reinforcing bar according to a fourth embodiment of the present invention. In the above embodiment, the frame-shaped intermediate connecting member 8 is used, whereas in the fourth embodiment, a single plate-shaped intermediate connecting member 38 is used. This is different from the above embodiment.

  The steel column and the basic beam concrete main reinforcing bar connection structure 40 according to the fourth embodiment of the present invention can obtain the same effect as that of the above embodiment, The strength of the connection structure 40 of the foundation beam concrete main reinforcement can be improved.

  FIG. 8 is a view referred to for explaining a connection structure 50 between a steel column and a foundation beam concrete main reinforcing bar according to a fifth embodiment of the present invention.

  In the first to third embodiments, a frame-like (endless) intermediate connecting member 8 with continuous corners is used, whereas the steel frame according to the fifth embodiment is used. The connection structure 50 between the pillar and the foundation beam concrete main reinforcing bar is different from the first to third embodiments in that four intermediate connection members 48 in which the corners of the frame-shaped intermediate connection members are separated are used. It is.

  In order to maintain the positional relationship of the four intermediate connecting members 48 on each side in the same manner as in the frame shape, the central portions of the respective sides of the intermediate connecting member 48 are connected by four plate-like connecting members 46. Has been.

  The four connecting members 46 are assembled in a cross-beam shape (lattice shape), and at a position where the four connecting members 46 cross each other, the depth is a little more than half the height of the connecting member 46 and the width is the connecting member. The slits (not shown) slightly larger than the plate thickness of 46 are assembled so as to mesh with each other.

  In addition, the length of the two plate members having the same length as that of the connecting member 46 other than the connecting member 46 is assembled in a cross beam shape so that the slits of the plate-like connecting member 46 are engaged with each other as described above. The plate members may be formed in a cross-beam shape by other assembling methods, such as assembling in a cross-beam shape by welding the end portions of each of the six short plate members at right angles at two locations.

  According to the connection structure 50 of the steel column and the foundation beam concrete main reinforcing bar according to the fifth embodiment as described above, in addition to obtaining the same effect as the above-described embodiment, It can be used in the field where the embodiments are most suitable or preferred.

  FIG. 9 is a diagram referred to for explaining a connection structure 60 between a steel column and a foundation beam concrete main reinforcing bar according to a sixth embodiment of the present invention.

  In the fifth embodiment, in order to maintain the positional relationship of the four intermediate connecting members 48 on each side in the same manner as in the frame shape, the center portion of each side of the intermediate connecting member 48 has four plates. The connection structure 60 of the steel column and the basic beam concrete main reinforcing bar according to the sixth embodiment is connected to the four intermediate connection members 48 on each side, whereas the connection structure 60 is connected by the connection member 46 having the shape of a ring. Is maintained in the same manner as in the frame shape, the central portion of each side of the intermediate connecting member 48 is connected to the tip ends of the four arms 66a of the connecting member 66 having a cross-shaped planar shape and a height. This is different from the fifth embodiment.

  The connecting member 66 having a cross shape and a height can be manufactured by any manufacturing method such as casting or forging.

  According to the connection structure 60 of the steel column and the foundation beam concrete main reinforcing bar according to the sixth embodiment as described above, in addition to obtaining the same effect as that of the above-described embodiment, the sixth embodiment Can be used in the field where it is most suitable or preferred.

  FIG.10 and FIG.11 is a figure referred in order to demonstrate the connection structure 70 of the steel column and foundation beam concrete main reinforcement which concerns on the 7th Embodiment of this invention. In the first embodiment, the end surface of the coupler 10 is joined to the vertical surface of the outer peripheral portion of the frame-shaped intermediate connecting member 8, whereas the seventh embodiment has a frame-like shape. A female screw hole 8 a having a horizontal axis is provided in the horizontal thickness of the intermediate connecting member 8.

  Then, a screw rod member 23 (male screw-like member) having a male screw formed on the outer peripheral portion is screwed into and connected to the female screw hole 8a of the mediation connecting member 8. As shown in FIG. 11, the length of the screw rod member 23 that protrudes to the outside (right side in the figure) is the male screw of the main reinforcing bar 12 via the coupler 25, as in the second embodiment. The end portions 12a are connected.

  In this embodiment, the case where the female screw hole 8a has penetrated the thickness of the frame-shaped intermediate coupling member 8 has been described. However, the female screw hole 8a is not penetrated in this way. You may form so that it may become a dead end in the middle of thickness.

  The connecting structure 70 of the steel column and the foundation beam concrete main reinforcing bar according to the seventh embodiment can also reduce the size of the intermediate connecting member 8 and the screw rod member 23 to the intermediate connecting member 8. Installation work can be facilitated. Further, the connecting operation of the male threaded end 12a of the main reinforcing bar 12 to the intermediate connecting member 8 can be facilitated.

  Further, when the coupler is joined to the upper surface of the intermediate connecting member by welding as in Patent Document 2, it is necessary to weld the coupler along the side surface of the coupler. Therefore, a certain amount of space is required, and the number of couplers that can be joined is limited.

  On the other hand, according to the present invention, the end portion of the coupler 10 or the screw rod member 23 is joined to the side surface of the mediation connecting member by means of pressure welding means or stud welding. Since the couplers or male screw-like members can be joined at intervals smaller than 1, the number of couplers or male screw-like members that can be joined can be increased.

  In the above embodiment, the case where the present invention is applied to the main reinforcing bar of the foundation beam concrete has been described.However, the present invention is not necessarily limited to the application to the main reinforcing bar of the foundation beam concrete. For example, the present invention can also be applied to the main rebar of beam concrete on the ceiling side of the first floor and the main rebar of beam concrete on the upper floor.

  Moreover, in the said embodiment, although the male screw-shaped edge part 12a of the main rebar 12 and the male screw of the screw rod members 23 and 32 were explained about the machine screw formed by machining, You may use the threaded reinforcing bar (male-like member) in which the male thread-like part was formed spirally along the length direction, and the male thread-like part is other than machining such as forging and drawing along the spiral. It may be formed by this manufacturing method.

  Moreover, in the said embodiment, although the internal thread of the couplers 10 and 25 demonstrated the mechanical thread formed by machining, the internal thread-shaped part which can be screw-coupled to the external thread-shaped part of the said threaded reinforcing bar is formed. A coupler (female threaded member) may be used, and the female threaded part may be formed by a manufacturing method other than machining, similar to the male threaded part.

  In the above-described embodiment, the end surface of the coupler 10 is joined to the vertical surface of the outer peripheral portion of the intermediate connecting member 8 by the pressure welding processing means for joining using pressure friction heat, and the end surface of the screw rod member 23 is stud welded. Although each member is joined by a preferred joining means, a joining means other than such pressure welding means or stud welding may be used for each member.

It is a section side view showing connection structure 2 of a steel frame pillar and foundation beam concrete main reinforcement concerning a 1st embodiment of the present invention. It is a top view of the intermediate | middle connection member 8 etc. of the connection structure 2 of the steel column shown in FIG. 1, and a foundation beam concrete main reinforcement. It is a cross-sectional side view which shows the connection structure 21 of the steel frame column and foundation beam concrete main reinforcement which concerns on the 2nd Embodiment of this invention. It is a partial expanded side view of the connection structure 21 of the steel column shown in FIG. 3 and a foundation beam concrete main reinforcement. It is the elements on larger scale of the connection structure of the steel column and foundation beam concrete main reinforcement which concern on the 3rd Embodiment of this invention. It is a cross-sectional side view which shows the connection structure 40 of the steel frame pillar and foundation beam concrete main reinforcement which concerns on the 4th Embodiment of this invention. FIG. 7 is a plan view of an intermediate connection member 38 and the like of the connection structure 40 of the steel column and the basic beam concrete main reinforcing bar shown in FIG. 6. It is the elements on larger scale which show the connection structure 50 of the steel column and foundation beam concrete main reinforcement which concerns on the 5th Embodiment of this invention, Fig.8 (a) is a top view of the connection structure 50, FIG.8 (b). These are the sectional views on the AA line of the connection structure 50 in Fig.8 (a). It is the elements on larger scale which show the connection structure 60 of the steel column and foundation beam concrete main reinforcement which concerns on the 6th Embodiment of this invention, Fig.9 (a) is a top view of the connection structure 60, FIG.9 (b). FIG. 9 is a cross-sectional view of the connection structure 60 in FIG. It is a cross-sectional side view which shows the connection structure 70 of the steel frame pillar and foundation beam concrete main reinforcement which concerns on the 7th Embodiment of this invention. It is the elements on larger scale of the connection structure 70 of the steel column in FIG. 10, and a foundation beam concrete main reinforcement.

Explanation of symbols

2 Steel column 4 and foundation beam concrete main reinforcement 4 Steel column 4A Lower end 4b Upper 4c Lower 6 Foundation beam concrete 8 Intermediary connecting member 8a Female thread 10 Coupler 12 Main reinforcement 12a Male threaded end 21 Steel column and foundation beam concrete Connection structure of main reinforcing bars 23 Screw rod member 25 Coupler 32 Screw rod member 38 Intermediary connection member 40 Connection structure of steel column and foundation beam concrete main reinforcement 46 Connection member 48 Intermediary connection member 50 Connection structure of steel column and foundation beam concrete main reinforcement 60 Connection structure of steel column and foundation beam concrete main reinforcement 66 Connection member 66a Arm 70 Connection structure of steel column and foundation beam concrete main reinforcement

Claims (7)

A steel column embedded in beam concrete, and a steel column and beam concrete main rebar structure in which the main reinforcement of beam concrete is connected via an intermediate connecting member,
The outer peripheral surface of the intermediate connecting member is formed substantially continuously in the vertical direction with the outer peripheral surface of the steel column so as not to protrude greatly outward in the horizontal direction from the outer peripheral side surface of the steel column.
Oite a vertical plane on the side connected to the main reinforcement of the outer peripheral portion of the intermediary coupling member, in the horizontal and vertical directions of the plurality of locations, the shaft the ends of the horizontal direction of the plurality of external thread-like member or the female screw member A connection structure of a steel column and a beam concrete main reinforcing bar, characterized in that The male screw-like member provided on the vertical surface of the outer peripheral portion of the mediating connecting member is connected to the male screw-like end of the main reinforcing bar via a female screw-like member shorter than the main reinforcing bar. Item 1. A connecting structure of a steel column and a beam concrete main reinforcing bar according to item 1. The steel column according to claim 1, wherein the female screw-like member provided on a vertical surface of the outer peripheral portion of the mediation connecting member is connected to a male screw-like end portion of the main reinforcing bar by screw connection. And connection structure of beam concrete main reinforcement. The female screw-like member provided on the vertical surface of the outer peripheral portion of the mediation connecting member is screw-coupled to one end of a male screw-like member shorter than the main reinforcing bar, and the other end of the male screw-like member is shorter than the main reinforcing bar. The connection structure of the steel column and the beam concrete main reinforcing bar according to claim 1, wherein the connecting structure is connected to the male threaded end portion of the main reinforcing bar via a female screw-like member. It said male screw-like member, when via the female screw member is coupled to the male screw-shaped end portion of the main reinforcing bars, and the male screw portion in the male screw-shaped end portion of the main reinforcing bars and the male screw-like portion of the male screw member 5. The connection structure of a steel column and a beam concrete main reinforcing bar according to claim 2, wherein the inclination directions of the leads are in a reverse screw-like relationship in opposite directions. A steel column embedded in beam concrete, and a steel column and beam concrete main rebar structure in which the main reinforcement of beam concrete is connected via an intermediate connecting member,
The intermediate connection member has a thickness that allows a shaft to form a female screw-shaped hole having a horizontal axis on the periphery thereof, and the outer peripheral surface of the intermediate connection member protrudes greatly outward in the horizontal direction from the outer peripheral side surface of the steel column. So as to be formed substantially continuously in the vertical direction with the outer peripheral surface of the steel column,
Oite a vertical plane on the side connected to the main reinforcement of the outer peripheral portion of the intermediary coupling member, the horizontal in the horizontal direction and the vertical direction opening to each of the plurality of positions, the axis is horizontal female screw-like hole the mediation connecting member Formed within the thickness of the direction ,
The female threaded hole is screw-coupled to one end of a male screw-like member shorter than the main reinforcing bar, and the other end of the male screw-like member is connected to the male threaded end of the main reinforcing bar via a female screw-like member shorter than the main reinforcing bar. Connecting structure of steel column and beam concrete main reinforcing bar, characterized by being connected to. It said male screw-like member, when via the female screw member is coupled to the male screw-shaped end portion of the main reinforcing bars, and the male screw portion in the male screw-shaped end portion of the main reinforcing bars and the male screw-like portion of the male screw member 7. The connecting structure of the steel column and the beam concrete main reinforcing bar according to claim 6, wherein the inclination directions of the leads are in a reverse screw-like relationship with the directions opposite to each other.

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