JP7060428B2 - Connecting structure of filler accommodating member and threaded rebar - Google Patents

Description

The present invention relates to a connecting structure of a filler accommodating member and a threaded reinforcing bar.

Conventionally, for example, when a reinforced concrete column is erected using a threaded bar, a mortar-filled mechanical joint is provided on the upper part of each threaded bar forming a plurality of column main bars erected from the floor. Join the lower half, join the lower part of the threaded rebar that forms the main bars of multiple columns to the upper half of this mechanical joint, and after joining, use a mortar inside the mechanical joint using a mortar etc. Work is being done to fill.
For example, when eight threaded joint reinforcing bars are used for one column, the filling operation of mortar with an injection gun is performed eight times for one column.

JP-A-9-263438

Therefore, when constructing a large-scale logistics facility or a high-rise building, the number of columns is 100, so that it takes time to fill the mortar and some improvement is required in the joining work of the threaded rebar.
In addition, when connecting the upper threaded bar to the mechanical joint, only the specified dimensions are connected, but in reality, it is done by the scale, and the amount of threaded bar to be inserted into the mechanical joint. There is a disadvantage in ensuring the rigidity of the structure.
The present invention has been devised in view of the above circumstances, and an object of the present invention is to improve the efficiency of the joining work between the threaded rebar and the threaded rebar joint, and to use the threaded rebar and the threaded rebar joint. It is an object of the present invention to provide a connecting structure of a filler accommodating member and a threaded reinforcing bar, which is advantageous in shortening the construction period of the structure and reducing the cost, and is also advantageous in ensuring the rigidity of the structure.

In order to achieve the above object, the present invention has a tubular shape and is provided with a female threaded portion screwed to the male threaded portion of the threaded joint bar at the inner peripheral portion thereof, and at both ends in the longitudinal direction of the inner peripheral portion of the threaded node reinforcing bar. A filler accommodating member inserted into the inner peripheral portion of a threaded barb joint provided with an annular seal member that can be attached and detached. The filler accommodating member is elastically deformable and the threaded barb. A hollow member formed in an elongated shape inserted into the inner peripheral portion of the joint, and both threaded joints screwed into the female threaded portion from both sides in the longitudinal direction of the threaded barbed joint and the threaded barb joint. The hollow member includes a filler filled inside the hollow member in an amount sufficient to fill the gap between the inner peripheral portion and the hollow member, and the hollow member is compressed by the ends of the threaded joint reinforcing bars on both sides. It is characterized in that, in a state where the filler is discharged to the outside of the hollow member, the filler is elastically contacted with the ends of the screw joint reinforcements on both sides and urged in a direction in which the screw joint reinforcements on both sides are separated from each other.
Further, the present invention is characterized in that the hollow member is provided with an outlet which is broken when the hollow member is compressed in the longitudinal direction thereof and allows the filler to flow out to the outside of the hollow member. do.
Further, in the present invention, the filler is a mixed type filler that is cured by mixing the first filler and the second filler, and the inside of the hollow member is first formed by a partition wall. The partition wall is divided into a first storage chamber for accommodating the filler and a second accommodating chamber for accommodating the second filler, and when the hollow member is compressed in the longitudinal direction thereof, the partition wall precedes the outlet. It is characterized in that it is formed with a strength that can be destroyed.
Further, the present invention is characterized in that the shape obtained by cutting the hollow member in a plane orthogonal to the longitudinal direction thereof is formed with a contour smaller than the inner diameter of the seal member.
Further, the present invention is characterized in that both ends of the hollow member in the longitudinal direction are formed by a spherical surface convex outward in the longitudinal direction of the hollow member.
Further, in the present invention, the hollow member is provided with one or a plurality of deformation promoting portions so that the hollow member is deformed in a predetermined shape when compressed by the ends of the threaded reinforcing bars on both sides. It is characterized by being.
Further, in the present invention, the hollow member is formed in a shape in which a large diameter portion and a small diameter portion having a smaller outer diameter than the large diameter portion are alternately arranged in the longitudinal direction thereof, and the deformation promoting portion has a large diameter portion. It is characterized by being composed of a diameter portion and a small diameter portion.
Further, in the present invention, a tubular shape is provided on the inner peripheral portion thereof, and a female threaded portion to be screwed into the male threaded portion of the threaded joint reinforcing bar is provided, and the threaded joint reinforcing bar can be attached or detached at both ends in the longitudinal direction of the inner peripheral portion. It is a connecting structure of a threaded barbar having a threaded barb joint provided with an annular sealing member and a filler accommodating member inserted into the inner peripheral portion of the threaded barb joint. The material accommodating member is screwed into the female threaded portion from both sides of the threaded barb joint in the longitudinal direction with a hollow member that is elastically deformable and is formed in an elongated shape so as to be inserted into the inner peripheral portion of the threaded barb joint. The hollow member includes a filler filled inside the hollow member in an amount sufficient to fill the gap between the threaded bar and the inner peripheral portion of the threaded bar joint, and the hollow member is provided on both sides. In a state where the filler is compressed by the end of the threaded bar and flows out of the hollow member, the filler is elastically contacted with the ends of the threaded bar on both sides and attached in a direction in which the threaded bar on both sides is separated from each other. The filler has a different color from the threaded reinforced joint, and a communication hole for communicating the inside and the outside of the threaded reinforced joint is provided in the center of the longitudinal direction of the threaded reinforced joint. It is characterized by being.

In order to achieve the above object, the present invention has a tubular shape and is provided with a female threaded portion screwed to the male threaded portion of the threaded joint bar at the inner peripheral portion thereof, and at both ends in the longitudinal direction of the inner peripheral portion of the threaded node reinforcing bar. It is a filler accommodating member inserted into the inner peripheral portion of a threaded joint reinforced joint provided with an annular sealing member capable of being attached and detached, and the filler accommodating member is made of rubber or a synthetic resin having elasticity. A hollow member formed in an elongated shape inserted into the inner peripheral portion of the threaded barb joint, and threaded barbars on both sides screwed into the female threaded portion from both sides in the longitudinal direction of the threaded barb joint. The hollow member includes a filler filled inside the hollow member in an amount sufficient to fill the gap between the threaded joint and the inner peripheral portion, and the hollow member is formed by the ends of the threaded reinforcing bars on both sides. It is characterized in that, in a state of being compressed and flowing out of the hollow member, the filler is elastically contacted with the ends of the screw joint reinforcements on both sides and urged in a direction in which the screw joint reinforcements on both sides are separated from each other.
Further, the present invention is a filler accommodating member inserted into the inner peripheral portion of a tubular threaded barb joint screwed to the threaded bar, and the filler accommodating member is inside the threaded bar joint. The hollow member includes an elongated hollow member inserted into the peripheral portion and a filler filled inside the hollow member, and the hollow member is formed of rubber or a synthetic resin having elasticity, and is formed of the thread-knot reinforced joint. It is characterized in that the filler is urged in a direction of separating the threaded reinforcing bars from each other in a state where the filler is discharged to the outside of the hollow member by compression of the threaded bar bars inserted from both ends.
Further, the present invention is characterized in that the hollow member is provided with an outlet which is broken when the hollow member is compressed in the longitudinal direction thereof and allows the filler to flow out to the outside of the hollow member. do.
Further, in the present invention, the filler is a mixed type filler that is cured by mixing the first filler and the second filler, and the inside of the hollow member is first formed by a partition wall. The partition wall is divided into a first storage chamber for accommodating the filler and a second accommodating chamber for accommodating the second filler, and when the hollow member is compressed in the longitudinal direction thereof, the partition wall precedes the outlet. It is characterized in that it is formed with a strength that can be destroyed.
Further, in the present invention, both ends of the hollow member in the longitudinal direction are formed of outwardly convex spherical surfaces, and the hollow member is compressed by the ends of the threaded reinforcing bars on both sides of the hollow member. A plurality of deformation promoting portions are provided so as to deform in a predetermined shape, and the plurality of deformation promoting portions have a curved large-diameter portion that is convex outward and an outer diameter that is smaller than the large-diameter portion and is inward. It is characterized in that convex curved small diameter portions are alternately arranged in the longitudinal direction of the hollow member .
Further, in the present invention, a tubular shape is provided on the inner peripheral portion thereof, and a female threaded portion to be screwed into the male threaded portion of the threaded joint reinforcing bar is provided, and the threaded joint reinforcing bar can be attached or detached at both ends in the longitudinal direction of the inner peripheral portion. It is a connecting structure of a threaded barbar having a threaded barb joint provided with an annular sealing member and a filler accommodating member inserted into the inner peripheral portion of the threaded barb joint. The material accommodating member is a hollow member formed elongated in a shape inserted into the inner peripheral portion of the threaded barb joint by rubber or synthetic resin having elasticity, and the female threaded portion from both sides in the longitudinal direction of the threaded barb joint. The hollow member includes a filler filled inside the hollow member in an amount sufficient to fill the gap between the threaded reinforcing bars on both sides screwed into the screw joint and the inner peripheral portion of the threaded bar joint. Is compressed by the ends of the threaded reinforcing bars on both sides, and the filler is discharged to the outside of the hollow member. Energized in the direction of separation, the filler has a different color from the threaded barbed joint, and is communicated between the inside and the outside of the threaded barbed joint in the center of the longitudinal direction of the threaded barbed joint. It is characterized in that a hole is provided.
Further, the present invention includes a screw having a threaded bar, a tubular threaded bar joint screwed into the thread bar, and a filler accommodating member inserted into the inner peripheral portion of the thread bar joint. The threaded barb joint has a connecting structure of barbs, and the threaded bar joint is provided with an annular sealing member at both ends in the longitudinal direction of the inner peripheral portion so that the threaded bar can be attached and detached, and accommodates the filler. The member includes an elongated hollow member inserted into the inner peripheral portion of the threaded joint and a filler filled inside the hollow member, and the hollow member is made of rubber or a synthetic resin having elasticity. In a state where the filler is discharged to the outside of the hollow member by compression of the threaded bar, which is formed by the above and inserted from both ends of the threaded bar joint, the thread bar is urged in a direction to separate from each other. The filler has a color different from that of the threaded barbed joint, and a communication hole for communicating the inside and the outside of the threaded barbed joint is provided in the center of the longitudinal direction of the threaded barbed joint. It is a feature.

It is sectional drawing of the state in which the upper part of the threaded rebar protruding from the floor is connected to the substantially lower half part of the threaded rebar joint. It is sectional drawing which inserted the filler accommodating member inside the thread joint rebar joint. It is sectional drawing of the state in which the lower part of the upper threaded rebar is connected to the upper part of the threaded rebar joint into which the filler accommodating member is inserted. It is sectional drawing of the state in which the filler accommodating member is compressed by the end of the threaded rebar protruding from the floor and the end of the upper threaded rebar inserted later inside the threaded rebar joint. It is sectional drawing of the filler accommodating member of 1st Embodiment. It is sectional drawing of the filler accommodating member of 2nd Embodiment. In the explanatory view of the third embodiment, the filler accommodating member is formed at the end of the threaded rebar protruding from the floor and the end of the upper threaded rebar inserted later inside the threaded rebar joint. It is a cross-sectional view of the state in which is compressed and the colored filler flows out from the communication hole to the outer peripheral portion of the threaded rebar joint.

Hereinafter, the present embodiment will be described with reference to the accompanying drawings.
(First Embodiment)
As shown in FIG. 2, the filler accommodating member 12 of the present embodiment is used by being inserted into the thread joint rebar joint 14.
As shown in FIG. 1, the threaded rebar joint 14 has an elongated hollow main body portion 1402 made of steel, and the male threaded portion 1602 of the threaded rebar 16 is screwed into the inner peripheral portion of the main body portion 1402. A female threaded portion 1404 is formed.
An annular sealing member 1406 is provided at both ends of the inner peripheral portion of the main body portion 1402 in the longitudinal direction (axial center direction) so that the threaded joint reinforcing bar 16 can be attached and detached. The seal member 1406 is inserted from both ends of the main body 1402 in the longitudinal direction by screwing the male thread portion 1602 into the female thread portion 1404, and the seal member 1406 is inserted at both ends of the main body 1402 in the longitudinal direction. The inner peripheral portion of the main body portion 1402 is in close contact with the outer peripheral portion of the threaded joint reinforcing bar 16 and airtightly closes the inside of the main body portion 1402.
The main body portion 1402 may have female threaded portions 1404 formed over the entire length of the inner peripheral portion thereof, or female threaded portions 1404 are formed on both sides in the longitudinal direction of the inner peripheral portion, and the ends of the female threaded portions 1404 are formed. It may be communicated in a columnar space.

As shown in FIG. 5, the filler accommodating member 12 includes a hollow member 20 and a filler 22.
The hollow member 20 is made of rubber or an elastic synthetic resin.
The hollow member 20 is elastically deformable and is formed in an elongated shape so as to be easily inserted into the inner peripheral portion of the threaded rebar joint 14.
The hollow member 20 has a function of accommodating the filler 22, and as shown in FIG. 4, the filler 22 is compressed by the ends of the screw joint reinforcing bars 16 on both sides screwed to the female thread portion 1404 to bring the filler 22 to the outside of the hollow member 20. It has a function of elastically contacting the ends of the threaded rebars 16 on both sides and urging the threaded rebars 16 on both sides in a direction of separating from each other.

The cross section cut along the plane orthogonal to the longitudinal direction of the hollow member 20 is formed in a circle having an outer diameter smaller than the inner diameter of the sealing member 1406 so that it can be easily inserted into the inner peripheral portion of the threaded rebar joint 14.
Further, both ends of the hollow member 20 in the longitudinal direction are formed of spherical surfaces 2002 having a convex shape on the outer side in the longitudinal direction of the hollow member 20 so that the hollow member 20 can be easily inserted into the inner peripheral portion of the threaded rebar joint 14.
The hollow member 20 is provided with an outlet 2004 which is broken when the hollow member 20 is compressed in the longitudinal direction thereof and allows the filler 22 to flow out to the outside of the hollow member 20.
In the present embodiment, the outlet 2004 is provided in the center of the hollow member 20 in the longitudinal direction, and is formed by making the wall thickness of the portion constituting the hollow member 20 thinner than that of the other portions.
Providing such an outlet 2004 is advantageous in deforming the hollow member 20 into a predetermined shape when the hollow member 20 is compressed by the ends of the threaded rebars 16 on both sides, and the threaded rebars on both sides are provided. It is advantageous in obtaining a large urging force that is elastically contacted with the end portion of 16 and urges the screw joint reinforcing bars 16 on both sides in a direction in which they are separated from each other.

When the hollow member 20 is compressed by the ends of the threaded reinforcing bars 16 on both sides, the hollow member 20 is deformed in a predetermined shape and is elastically contacted with the ends of the threaded reinforcing bars 16 on both sides. One or more deformation promoting units 2006 are provided so as to obtain a large urging force that urges the 16 to be separated from each other.
In the present embodiment, the large diameter portion 2006A and the small diameter portion 2006B having an outer diameter smaller than that of the large diameter portion 2006A are alternately arranged and provided at equal intervals in the longitudinal direction of the hollow member 20, and these large diameter portions are provided. The 2006A and the small diameter portion 2006B constitute the deformation promoting portion 2006. That is, when the hollow member 20 is compressed in the longitudinal direction, the large diameter portion 2006A is easily deformed outward in the radial direction of the hollow member 20, and the small diameter portion 2006B is easily deformed inward in the radial direction of the hollow member 20. The diameter portion 2006A and the small diameter portion 2006B promote the deformation of the hollow member 20 so that the hollow member 20 is deformed in a predetermined shape.

The filler 22 is housed inside the hollow member 20.
As the filler 22, various conventionally known materials such as an adhesive having a low viscosity and curing when it comes into contact with air and an adhesive which cures when the solvent is removed can be used.
The filler 22 is filled in the gap between the threaded rebar 16 on both sides screwed into the female threaded portion 1404 from both sides in the longitudinal direction of the threaded rebar joint 14 and the inner peripheral portion of the threaded rebar joint 14, and they are filled. It prevents rattling of the screw connection.
The filler 22 is provided on both sides over the entire length of the inner peripheral portion of the threaded rebar joint 14 in a state where the male threaded portion 1602 of the threaded rebar 16 is screwed into the female threaded portion 1404 from both sides in the longitudinal direction of the threaded rebar joint 14. The hollow member 20 is housed in an amount that closes the gap between the threaded rebar 16 and the inner peripheral portion of the threaded rebar joint 14.

Next, a method of using the filler accommodating member 12 will be described.
In this embodiment, a case where a reinforced concrete column is erected on the floor will be described.
As shown in FIG. 1, the upper portions of a plurality of lower threaded joint reinforcing bars 16A forming the column main bars of the reinforced concrete column project on the floor.
Here, the male threaded portion 1602 of the lower threaded rebar 16A protruding above the floor is inserted into the inner peripheral portion of the seal member 1406 and screwed into substantially the lower half of the female threaded portion 1404 of the threaded rebar joint 14.
The screwing of the threaded rebar joint 14 to the lower threaded rebar 16A is performed without variation because the height from the floor surface to the lower end surface of the threaded rebar joint 14 can be visually measured.

As shown in FIG. 2, the filler accommodating member 12 is then inserted into the inner peripheral portion of the threaded rebar joint 14 from the inner peripheral portion of the sealing member 1406 at the upper end of the threaded rebar joint 14 and dropped.
The filler accommodating member 12 can be inserted into the inner peripheral portion of the threaded rebar joint 14 by dropping the filler accommodating member 12 from the inner peripheral surface of the sealing member 1406 to the inner peripheral portion of the threaded rebar joint 14. The lower end of the filler accommodating member 12 is placed on the end of the lower threaded joint rebar 16A, easily and quickly.
As shown in FIG. 3, next, the male threaded portion 1602 at the lower part of the upper threaded rebar 16B to be connected is inserted into the inner peripheral portion of the seal member 1406 and screwed into the female threaded portion 1404 of the threaded rebar joint 14. ..
Even if the filler accommodating member 12 is caught in the female thread portion 1404 above the end of the lower thread bar bar 16A by the screwing of the upper thread bar bar 16B, the upper thread bar The catch is released by the end portion of the reinforcing bar 16B, and the lower end of the filler accommodating member 12 is placed on the upper end of the lower threaded joint reinforcing bar 16A.

Further screwing of the upper threaded rebar 16B to the female threaded portion 1404 brings the end of the upper threaded rebar 16B into contact with the end of the filler accommodating member 12.
Further screwing of the upper threaded rebar 16B to the female threaded portion 1404 causes the filler accommodating member 12 to be compressed by the end of the upper threaded rebar 16B and the end of the lower threaded rebar 16A. , The hollow member 20 is compressed and deformed into a predetermined shape.
Eventually, when the pressure inside the hollow member 20 reaches a predetermined value, the thin portion of the hollow member 20 constituting the outlet 2004 is destroyed, and the filler 22 flows out from the outlet 2004 to the outside of the hollow member 20. ..

As shown in FIG. 4, the hollow member 20 is compression-deformed into a predetermined shape by further screwing the upper threaded rebar 16B to the female threaded portion 1404, and the compression-deformed hollow member 20 is the lower threaded rebar. The 16A and the upper threaded rebar 16B are urged in a direction away from each other, and the upper threaded rebar 16B coupled to the threaded rebar joint 14 is urged upward afterwards.
The worker can determine that the lower portion of the upper threaded rebar 16B has reached a predetermined depth by the urging force of the hollow member 20.
On the other hand, the filler 22 fills the gap between the threaded reinforcing bars 16 on both sides and the inner peripheral portion of the threaded reinforcing bar joint 14 over the entire length of the inner peripheral portion of the threaded reinforcing bar joint 14 between the sealing members 1406 at both ends. And prevent the rattling of those screw connections.
In the present embodiment, the lower threaded rebar 16A is the threaded rebar 16 to be inserted into the threaded rebar joint 14 first, and the upper threaded rebar 16B is inserted into the threaded rebar joint 14 later. It is a screw joint reinforcing bar 16.

According to the present embodiment, the filler accommodating member 12 is simply dropped onto the inner peripheral portion of the threaded rebar joint 14 to fill the inside of the threaded rebar joint 14 of the mortar with a conventional injection gun. Since the work can be omitted, the efficiency of the joining work of the threaded rebar 16 by the threaded rebar joint 14 can be improved, the construction period of large-scale distribution facilities and high-rise buildings where a large number of reinforced concrete columns are provided can be shortened, and the cost can be reduced. It will be advantageous in planning.
Further, since the compression-deformed hollow member 20 urges the upper threaded rebar 16B upward, the worker can use the urging force of the hollow member 20 to urge the lower portion of the upper threaded rebar 16B to a predetermined depth. It can be determined that the rebar has reached this point, and the bonding depth of the plurality of upper threaded reinforcing bars 16B to the threaded reinforcing bar joint 14 can be made uniform, which is advantageous in ensuring the rigidity of the structure using the reinforced concrete column.

Further, since the hollow member 20 is provided with an outlet 2004 which is broken when the hollow member 20 is compressed and allows the filler 22 to flow out to the outside of the hollow member 20, the hollow member 20 is deformed into a predetermined shape. It is advantageous in the above, and it is advantageous in obtaining a large urging force that urges the screw joint reinforcing bars 16 on both sides in the direction of separating from each other.
Further, since the shape obtained by cutting the hollow member 20 in a plane orthogonal to the longitudinal direction thereof is formed with a contour smaller than the inner diameter of the seal member 1406, the filler accommodating member 12 is inserted into the threaded rebar joint 14. In addition, since both ends of the hollow member 20 in the longitudinal direction are formed of a spherical spherical surface 2002 that is convex outward in the longitudinal direction of the hollow member 20, the tip of the hollow member 20 is a female threaded portion 1404. It is advantageous for the filler accommodating member 12 to surely reach the end portion of the lower threaded joint reinforcing bar 16A without being caught in the hollow member 20, and it is advantageous for deforming the hollow member 20 in a predetermined shape.
Further, since the hollow member 20 is provided with a deformation promoting portion 2006 that deforms the hollow member 20 in a predetermined shape when compressed, the lower portion of the upper threaded joint reinforcing bar 16B is provided by the large urging force of the hollow member 20. In order to secure the rigidity of the structure using the reinforced concrete column, it can be determined that has reached a predetermined depth, the bonding depth of the plurality of upper threaded reinforcing bars 16B to the threaded reinforcing bar joint 14 can be made uniform. It will be advantageous.

(Second embodiment)
Next, the second embodiment will be described with reference to FIG.
In the subsequent embodiments, the same parts and members as those in the first embodiment are designated by the same reference numerals, the description thereof will be omitted, and the parts different from the first embodiment will be mainly described. ..
In the second embodiment, the filler 22 is different from the first embodiment.
In the second embodiment, as the filler 22, a mixed type that is cured by mixing the first filler 22A and the second filler 22B is used.
As such a filler 22, the first filler 22A is a mixture of sand and cement, the second filler 22B is water, or the first filler 22A is a mixture of sand and cement. , When the second filler 22B is water glass, or when the first filler 22A and the second filler 22B are mixed, such as a two-component mixed type epoxy resin adhesive, it is cured by a conventionally known known method. Various materials can be used.

The inside of the hollow member 20 corresponding to the filler 22 is partitioned by a partition wall 2010 into a first storage chamber 2012 for accommodating the first filler 22A and a second storage chamber 2014 for accommodating the second filler 22B. ing.
Further, after the first filler 22A and the second filler 22B are mixed inside the hollow member 20, the hollow member 20 is compressed so that the filler 22 flows out of the hollow member 20 and the filler 22 is surely cured. The partition wall 2010 is formed with a strength that breaks before the outlet 2004.
In the present embodiment, the partition wall 2010 is provided over the inner peripheral surface of the large diameter portion 2006A facing each other.
The same effect as that of the first embodiment is obtained by such a second embodiment.

(Third embodiment)
Next, the third embodiment will be described with reference to FIG. 7.
The third embodiment is a connecting structure of the threaded joint reinforcing bars 16, and is a modification of the first and second embodiments.
In the third embodiment, the filler 22 of the first and second embodiments is colored with a color different from that of the threaded rebar joint 14, and the longitudinal direction of the main body portion 1402 of the threaded rebar joint 14 is also formed. A communication hole 1420 for communicating the inside and the outside of the threaded rebar joint 14 is provided in the central portion of the above.
In the third embodiment, the hollow member 20 is compressed, and the filling material 22 flows out from the outlet 2004 to the outside of the hollow member 20. It flows out to the surface.
According to the third embodiment, the same effect as that of the first embodiment is obtained, and the worker can visually recognize the filler 22A flowing out to the outer peripheral surface of the threaded joint rebar joint 14. , It can be determined that the filler accommodating member 12 is inserted in the inner peripheral portion of the threaded rebar joint 14, whereby the bonding depth of the upper threaded rebar 16B to the threaded rebar joint 14 becomes uniform. It can be determined that the reinforcing bars are used, which is advantageous in ensuring the rigidity of the structure using the reinforced concrete columns.

In the present embodiment, the case where the connecting structure of the filler accommodating member 12 and the threaded reinforcing bar 16 of the present invention is applied to the erection of the reinforced concrete column has been described, but the filler accommodating member 12 and the threaded bar of the present invention have been described. The connecting structure of the reinforcing bar 16 is not limited to the reinforced concrete column, and of course, it can be applied to other reinforced concrete members using the threaded reinforcing bar 16 and the threaded reinforcing bar joint 14, such as a reinforced concrete beam.

12 …… Filler accommodating member 14 …… Screw joint rebar joint 1402 …… Main body 1404 …… Female thread 1406 …… Seal member 1420 …… Communication hole 16 …… Thread rebar 1602 …… Male thread 20 …… Hollow member 2002 …… Spherical surface 2004 …… Outlet 2006 …… Deformation promotion part 2006A …… Large diameter part 2006B …… Small diameter part 22 …… Filler 22A …… First filler 22B …… Second filler

Claims (7)

An annular seal that has a tubular shape and is provided with a female threaded portion that is screwed into the male threaded portion of the threaded joint reinforcing bar at the inner peripheral portion thereof and at both ends in the longitudinal direction of the inner peripheral portion that enables the attachment / detachment of the threaded joint reinforcing bar. A filler accommodating member inserted into the inner peripheral portion of a threaded rebar joint provided with a member.
The filler accommodating member is a hollow member formed elongated in a shape inserted into the inner peripheral portion of the threaded barbed joint by rubber or a synthetic resin having elasticity, and from both sides in the longitudinal direction of the threaded barbed joint. It contains a filler filled inside the hollow member in an amount sufficient to fill the gap between the threaded reinforcing bars on both sides screwed into the female threaded portion and the inner peripheral portion of the threaded joint.
The hollow member is compressed by the ends of the threaded rebars on both sides, and in a state where the filler flows out of the hollow member, the hollow member is elastically contacted with the ends of the threaded rebars on both sides and the threaded bars on both sides. Encourage the reinforcing bars to separate from each other,
A filler accommodating member. A filler accommodating member inserted into the inner peripheral portion of a tubular threaded rebar joint that is screwed into the threaded rebar.
The filler accommodating member includes an elongated hollow member inserted into the inner peripheral portion of the threaded rebar joint and a filler filled inside the hollow member.
The hollow member is formed of rubber or a synthetic resin having elasticity, and the filler is discharged to the outside of the hollow member by compression of the threaded rebar inserted from both ends of the threaded rebar joint. Encourage the threaded rebars away from each other,
A filler accommodating member. The hollow member is provided with an outlet that is broken when the hollow member is compressed in the longitudinal direction and allows the filler to flow out of the hollow member.
The filler accommodating member according to claim 1 or 2 , wherein the filler accommodating member. The filler is a mixed type filler that is cured by mixing the first filler and the second filler.
The inside of the hollow member is partitioned by a partition wall into a first storage chamber for accommodating the first filler and a second accommodation chamber for accommodating the second filler.
When the hollow member is compressed in its longitudinal direction, the partition wall is formed with a strength that breaks before the outlet.
The filler accommodating member according to claim 3 . Both ends of the hollow member in the longitudinal direction are formed by an outwardly convex spherical surface.
The hollow member is provided with a plurality of deformation promoting portions so that the hollow member is deformed in a predetermined shape when compressed by the ends of the threaded reinforcing bars on both sides.
In the plurality of deformation promoting portions, an outwardly convex curved large diameter portion and an inwardly convex curved small diameter portion having a smaller outer diameter than the large diameter portion are alternately arranged in the longitudinal direction of the hollow member. Consists of being lined up,
The filler accommodating member according to any one of claims 1 to 4 , wherein the filler accommodating member. An annular seal that has a tubular shape and is provided with a female threaded portion that is screwed into the male threaded portion of the threaded joint reinforcement at the inner peripheral portion thereof and at both ends in the longitudinal direction of the inner peripheral portion that enables the attachment / detachment of the threaded joint reinforcing bar. It is a connecting structure of a threaded rebar having a threaded rebar joint provided with a member and a filler accommodating member inserted into the inner peripheral portion of the threaded rebar joint.
The filler accommodating member is a hollow member formed elongated in a shape inserted into the inner peripheral portion of the threaded barbed reinforced joint by rubber or a synthetic resin having elasticity , and the filled material accommodating member from both sides in the longitudinal direction of the threaded barbed reinforced joint. It contains a filler filled inside the hollow member in an amount sufficient to fill the gap between the threaded reinforcing bars on both sides screwed into the female threaded portion and the inner peripheral portion of the threaded joint.
The hollow member is compressed by the ends of the threaded rebars on both sides, and in a state where the filler flows out of the hollow member, the hollow member is elastically contacted with the ends of the threaded rebars on both sides and the threaded bars on both sides. Encourage the reinforcing bars to separate from each other,
The filler has a different color than the threaded rebar joint and has a different color.
A communication hole for communicating the inside and the outside of the threaded rebar joint is provided in the center of the threaded rebar joint in the longitudinal direction.
The connecting structure of the threaded rebar is characterized by this. In a connecting structure of a threaded rebar, a tubular threaded rebar joint screwed into the threaded rebar, and a filler accommodating member inserted into the inner peripheral portion of the threaded rebar joint. There,
The threaded rebar joint is provided with an annular sealing member at both ends of the inner peripheral portion in the longitudinal direction so that the threaded rebar can be attached and detached.
The filler accommodating member includes an elongated hollow member inserted into the inner peripheral portion of the threaded rebar joint and a filler filled inside the hollow member.
The hollow member is formed of rubber or a synthetic resin having elasticity, and the filler is discharged to the outside of the hollow member by compression of the threaded rebar inserted from both ends of the threaded rebar joint. Encourage the reinforcing bars to separate from each other,
The filler has a different color than the threaded rebar joint and has a different color.
A communication hole for communicating the inside and the outside of the threaded rebar joint is provided in the center of the threaded rebar joint in the longitudinal direction.
The connecting structure of the threaded rebar is characterized by this.

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