JP6878128B2 - Joining structure between wall balustrades - Google Patents

Description

The present invention relates to a structure for joining wall balustrades arranged adjacent to each other along the bridge axis direction.

Conventionally, as a structure for joining wall balustrades arranged adjacent to each other along the bridge axis direction, a groove is provided in the end face of one wall balustrade adjacent to each other and the end face of the other wall balustrade adjacent to each other. Is provided with a joint to be inserted into the groove, and a structure is known in which wall balustrades are joined to each other by filling the groove with a filler such as mortar after inserting the joint into the groove (patented). Reference 1).
The structure uses a perforated steel plate gibber as a joint, and resists the pulling force in the bridge axis direction and the impact force in the direction perpendicular to the bridge axis applied to the wall balustrade by the shear resistance of the perforated steel plate gibber at the joint. It has become.

Japanese Patent No. 5851757

However, in the conventional joint structure described above, the perforated steel plate gibber as a joint is firmly fixed in the concrete at the end of the wall balustrade by the anchor steel material so as to protrude from the end face of the wall balustrade. That is, a perforated steel plate gibber is embedded in the concrete at the end of the wall balustrade.
Therefore, when replacing the wall balustrade, if cutting at the joint, the perforated steel plate gibber will be cut and the perforated steel plate gibber cannot be used. Therefore, the perforated steel plate gibber should be avoided and the perforated steel plate gibber should be chipped. There was a problem that it was necessary to pull it out, and the labor required for the replacement work of the wall balustrade was enormous.
Further, if the perforated steel plate gibber is deformed, it is necessary to replace the wall balustrade to which the perforated steel plate gibber is attached, which is problematic in terms of cost.
INDUSTRIAL APPLICABILITY The present invention can sufficiently resist the pulling force in the bridge axis direction and the impact force in the direction perpendicular to the bridge axis applied to the wall balustrade, and can facilitate the replacement work of the wall balustrade and reduce the cost. It provides the structure.

The structure for joining wall balustrades according to the present invention is a structure for joining wall balustrades arranged so as to be adjacent to each other along the bridge axis direction, and is adjacent to each other along the bridge axis direction with a joint interval. Each groove is formed so as to extend in the vertical direction at each end face of each wall balustrade arranged so as to extend in the vertical direction, and a core material inserted and arranged in each groove so as to straddle each groove. The core material is provided in each groove in which the core material is arranged and in the filling material filled within the joint spacing, and the core material extends in the vertical direction and extends along the bridge axis direction in each groove. Each groove is provided with a portion and each end portion extending in a direction away from each other along a direction perpendicular to the bridge axis from both ends in the bridge axis direction of the central portion, and each groove has a groove bottom surface facing the end portion of the core material. Each groove inner wall surface reaches the end face from both ends in the direction perpendicular to the bridge axis of the bottom surface of the groove, and each groove inner wall surface is formed so as to approach each other as it approaches the end face, and the end face of the wall balustrade is a bridge of the wall balustrade. A wall surface side end face portion close to a wall surface extending along the axial direction, a groove side end face portion close to a groove, and a relay end face portion connecting the wall surface side end face portion and the groove side end face portion are provided, and the relay end face portion is a wall surface. Since it is formed so as to incline and extend from the groove side edge of the side end face portion in a direction away from the center position in the direction perpendicular to the bridge axis of the groove, the pulling force in the bridge axis direction applied to the wall balustrade and It is possible to provide a joint structure between wall balustrades that can sufficiently resist the impact force in the direction perpendicular to the bridge axis, facilitate the replacement work of the wall balustrades, and reduce the cost, and further, it is possible to suppress the shrinkage of the joint material. Since the permeation of rainwater and salt into the joints is suppressed, the structure is such that the corrosion of the core material such as H-shaped steel installed at the joints of the joints can be suppressed.
Further, the joint structure between the wall balustrades according to the present invention is a structure for joining the wall balustrades arranged adjacent to each other along the bridge axis direction, and is a structure for joining the wall balustrades along the bridge axis direction through joint spacing. Each groove is formed so as to extend in the vertical direction on each facing end face of each wall railing arranged so as to be adjacent to each other, and each groove is inserted and arranged so as to straddle each groove. The core material is provided with a core material, a filling material filled in each groove in which the core material is arranged, and a filling material filled within the joint spacing, and the core material extends in the vertical direction in each groove and extends along the bridge axis direction. It is provided with a central portion to be formed and ends extending in a direction away from each other along a direction perpendicular to the bridge axis from both ends in the bridge axis direction of the central portion, and each groove is a groove bottom surface facing the end portion of the core material. And each groove inner wall surface that reaches the end face from both ends in the direction perpendicular to the bridge axis of the bottom surface of the groove, and each groove inner wall surface is formed so as to approach each other as it approaches the end face, and extends in the vertical direction in the groove. Since it is equipped with the reinforcing bars provided in the above manner, it can sufficiently resist the pulling force in the bridge axis direction and the impact force in the direction perpendicular to the bridge axis applied to the wall balustrade, and the wall balustrade can be easily replaced. It is possible to provide a joint structure between wall balustrades that can reduce the cost and cost, and further improve the pull-out shear resistance of a core material such as H-shaped steel when a force acts on the wall balustrade.
Further, it is provided with a concave groove formed so as to extend in the vertical direction at the end surface between the edge of the wall surface extending along the bridge axis direction of the wall balustrade and the groove, and the filling material is filled in the concave groove. Therefore, the shear resistance of the joint is further improved.
Further, since the plate material attached to the groove bottom surface and the groove inner wall surface of the groove is provided and the surface of the plate material in contact with the filler is provided with an uneven portion, the adhesive force between the plate material and the joint material is improved. The pull-out shear resistance of the core material such as H-shaped steel is further improved when a force acts on the core material .

The perspective view which shows the joint structure of the wall balustrades. A perspective view showing a wall column. A process chart showing a construction procedure of a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades. A cross-sectional view showing a joint structure between wall balustrades.

Embodiment 1
As shown in FIG. 1; FIG. 2, the precast concrete wall balustrade 1 used for the joint structure between the wall balustrades according to the first embodiment has an inner wall surface 1u and an outer wall surface as wall surfaces extending along the bridge axis direction. It is composed of a concrete block long in the bridge axial direction X having 1f, an upper surface 1a and a lower surface 1b, and both end faces 2; 2 in the bridge axial direction X, and both end faces 2; 2 are in the vertical direction ( A groove 3 extending in the Z direction to reach the upper surface 1a and the lower surface 1b is formed.
As shown in FIG. 2, the outer wall surface 1f is formed by, for example, a wall surface extending vertically in the vertical direction Z. The inner wall surface 1u includes, for example, an upper inclined wall surface 1v and a lower inclined wall surface 1w, and the upper inclined wall surface 1v is formed by an inclined surface that gradually inclines from the upper surface 1a to the lower surface 1b so as to be gradually separated from the outer wall surface 1f. The lower inclined wall surface 1w is formed by an inclined surface that is inclined so as to gradually move away from the outer wall surface 1f from the lower end of the upper inclined wall surface 1v toward the lower surface 1b. The lower inclined wall surface 1w is formed on an inclined surface having a gentler inclination angle than the upper inclined wall surface 1v.

2; As shown in FIG. 3A, the groove 3 has both an edge 32; 32 of the groove bottom 31 located on a plane parallel to the end face 2 and the bridge axis perpendicular direction Y on the groove bottom 31. It is formed by a space surrounded by left and right groove inner wall surfaces 33; 33 reaching the end surface 2.
The left and right groove inner wall surfaces 33; 33 are formed by inclined surfaces that are inclined so as to approach each other as they approach the end surface 2.

As shown in FIG. 1, the joint structure between the wall balustrades according to the first embodiment is such that the wall balustrades are formed on the upper surfaces of both ends of the floor portion 4 formed by laying a plurality of floor slabs in the direction perpendicular to the bridge axis. 1; 1 is arranged so as to be adjacent to each other along the bridge axis direction X with a joint spacing of 5, and H as a core material so as to straddle each groove 3; 3 formed in each adjacent end surface 2; 2. By installing the shaped steel 6 and filling the groove 3; 3 and the joint spacing 5 with the filler 7 such as mortar, the H-shaped steel 6 installed so as to straddle the respective grooves 3; 3 One wall balustrade 1 and the other wall balustrade 1 arranged adjacent to each other along the bridge axis direction X by the filler 7 filled in the groove 3; 3 and in the joint spacing 5. It is a structure in which and is joined.

That is, first, as shown in FIG. 3A, the opening 35 of the groove 3 of the end face 2 of one wall railing column 1 adjacent to each other along the bridge axis direction X and the groove 3 of the end face 2 of the other wall railing column 1 Each wall balustrade 1; 1 so that the openings 35 face each other and the end face 2 of one wall balustrade 1 and the end face 2 of the other wall balustrade 1 are separated by a predetermined joint spacing 5. Is installed.
Then, the web 61 as the central portion of the H-shaped steel 6 is vertically Z in the groove 3 formed in the end surface 2 of one wall column 1 and in the groove 3 formed in the end surface 2 of the other wall column 1. As shown in FIG. 3B, the flange surface of one flange 62 as the end portion of the H-section steel 6 is one of the flange surfaces. The flange surface of the other flange 62 as the end portion of the H-shaped steel 6 faces the groove bottom surface 31 of one groove 3 formed on the end surface 2 of the wall column 1 in parallel with the end surface of the other wall column 1. The H-shaped steel 6 is installed in each groove 3; 3 so as to face parallel to the groove bottom surface 31 of the other groove 3 formed in 2.

That is, the H-shaped steel 6 installed in each groove 3; 3 has a web 61 as a central portion extending in the vertical direction Z and extending along the bridge axis direction X in each groove 3; 3, and the said. It functions as a core material provided with flanges 62; 62 as ends extending from both ends of the web 61 in the bridge axis direction X in directions away from each other along the bridge axis perpendicular direction Y.
The H-shaped steel 6 is inserted into each of the grooves 3; 3 from above the groove 3 of one wall railing column 1 and the groove 3 of the other wall railing column 1 installed so as to be adjacent to each other in the bridge axis direction X. Will be installed.
In this way, after the H-shaped steel 6 as the core material is inserted into each groove 3; 3 and installed, as shown in FIG. 3C, the inside of the groove 3; 3 and the joint spacing 5 Is filled with a filler 7 such as mortar, and the adjacent wall railings 1; 1 are integrated along the bridge axis direction X.

If necessary, in the present invention, the portion filled with the filler 7 such as mortar in each groove 3; 3 and in the joint interval 5 is defined as a “joint”, in each groove 3; 3 and in the joint interval 5. The filled filler is referred to as a "joint material" and will be described.

The joint structure between the wall railings according to the first embodiment has a structure that can sufficiently resist the pulling force in the bridge axis direction X and the impact force in the bridge axis perpendicular direction Y applied to the wall railings 1.
In this structure, when a force acts on the wall height column 1, as shown in FIG. 4, both ends 62t of the flange 62 of the H-section steel 6 in the direction perpendicular to the bridge axis; 62t have a pulling force in the direction indicated by the two-point chain line. Although P is added, in the first embodiment, the left and right groove inner wall surfaces 33; 33 of the groove 3 formed on the end surface 2 of the wall railing column 1 are formed on inclined surfaces that incline so as to approach each other as they approach the end surface 2. Therefore, the binding force to the joint material and the binding force to the flange 62 are increased by the left and right groove inner wall surfaces 33; 33, and the resistance force to the pulling force P of the H-shaped steel 6 is increased to prevent the H-shaped steel 6 from being pulled out. The effect will be greater.
That is, the pull-out shear resistance of the H-shaped steel 6 increases with respect to the tensile force generated when the wall height column 1; 1 is displaced due to the impact load, and when a force acts on the wall height column 1, the pull-out shear of the H-shaped steel 6 It has a structure that resists by resistance.

Further, in the joint structure between the wall balustrades according to the first embodiment, since the H-shaped steel 6 is not embedded in the concrete of the wall balustrade 1, when the wall balustrade 1 is replaced, the joint (joint portion) is H-shaped. It may be cut together with the steel, and the replacement work of the wall railing column 1 can be facilitated and the cost can be reduced.
That is, after removing half of the H-shaped steel 6 and the filler 7 remaining in the groove 3 of the remaining wall railing column 1 from the groove 3, the groove 3 and the groove 3 of the new wall railing column 1 face each other. After arranging the new wall rail 1 and inserting the H-shaped steel 6 into the groove 3; 3 so as to straddle the groove 3 of the remaining wall rail 1 and the groove 3 of the new wall rail 1, the groove 3; 3 Since it is sufficient to fill the inner and joint spacing 5 with a filler 7 such as mortar and integrate the remaining wall railing column 1 with the new wall railing column 1, it is easy to replace the wall railing column 1. It will be possible to reduce the cost and cost.

Therefore, according to the joint structure between the wall railings according to the first embodiment, the structure can sufficiently resist the pulling force of the bridge axis direction X and the impact force of the bridge axis perpendicular direction Y applied to the wall railings 1. The replacement work of the wall railing column 1 can be facilitated and the cost can be reduced.

Further, according to the joint structure between the wall balustrades according to the first embodiment, the H-shaped steel 6 as the core material is inserted into each groove 3; 3, so that even if a construction error between the deck slabs occurs. Since the H-section steel 6 can be freely inserted into each groove 3; 3, construction is facilitated.

Embodiment 2
As shown in FIG. 5, in the joint structure between the wall railings according to the second embodiment, in addition to the structure of the joint structure between the wall railings according to the first embodiment, the groove bottom surface 31 of the groove 3 and the groove inner wall surface 33; 33; As a plate material attached to and, a striped steel plate 8 having an uneven surface on the surface in contact with the filler 7 is provided, and the top and bottom are located near the boundary between the groove bottom surface 31 and the groove inner wall surface 33 in the concrete forming the wall balustrade 1. The configuration includes a reinforcing bar 9 provided so as to extend in the direction, and a reinforcing bar 10 provided so as to extend in the vertical direction along the groove inner wall surface 33 on the end surface 2 side of the groove 3.

As the striped steel plate 8, a long material that is formed in a concave cross section that matches the cross-sectional shape of the groove 3 and is continuous in the vertical direction is used. That is, the striped steel plate 8 includes a base portion 81 facing the bottom surface 31 of the groove, and side portions 82; 82 provided so as to extend from the left and right long edges of the base portion 81 and facing the inner wall surface 33; 33 of the groove. Use a long material.
For example, after installing the striped steel plate 8 to which the reinforcing bars 9 and the reinforcing bars 10 are attached in a formwork (not shown) for forming the wall railing column 1, in the molding space surrounded by the formwork and the striped steel plate 8. By pouring concrete, a wall formwork 1 provided with a striped steel plate 8, a reinforcing bar 9, and a reinforcing bar 10 is formed in the groove 3. Then, after inserting the H-shaped steel 6 into each of the grooves 3; 3 from above the groove 3 of one wall railing column 1 and the groove 3 of the other wall railing column 1 installed so as to be adjacent to each other in the bridge axis direction X. , Grooves 3; 3 and joint spacing 5 are filled with a filler 7 such as mortar to integrate adjacent wall railings 1: 1 along the bridge axis direction X.

According to the joint structure between the wall balustrades according to the second embodiment, the adhesive force between the striped steel plate 8 and the joint material is improved by the adhesion between the uneven portion of the striped steel plate 8 and the joint material, so that the wall balustrade 1 has a force. When acted, the pull-out shear resistance of the H-shaped steel 6 is further improved.
Further, according to the joint structure between the wall balustrades according to the second embodiment, by arranging the reinforcing bars 9; 10, the pull-out shear resistance of the H-shaped steel 6 is further improved when a force acts on the wall balustrade 1. ..
Further, since the reinforcing bar 9 is provided, the adhesive force between the striped steel plate 8 and the wall railing column 1 is improved, so that the pull-out shear resistance of the H-shaped steel 6 is further improved when a force acts on the wall railing column 1.

Therefore, according to the joint structure between the wall railings according to the second embodiment, the structure can sufficiently resist the pulling force in the bridge axis direction X and the impact force in the bridge axis perpendicular direction Y applied to the wall railings 1. In addition to the effect of the first embodiment that the replacement work of the wall balustrade can be facilitated and the cost can be reduced, the striped steel plate 8 and the reinforcing bar 9: 10 are provided, so that the H-shaped steel is provided when a force acts on the wall balustrade 1. The joint structure has the effect of further improving the pull-out shear resistance of 6.
The reinforcing bar 10 may be inserted into the groove 3 after the one wall balustrade 1 and the other wall balustrade 1 are installed so as to be adjacent to each other in the bridge axis direction X. Further, the reinforcing bar 10 may be provided so as to extend in the vertical direction in the groove 3.

Embodiment 3
In the joint structure between the wall balustrades according to the third embodiment, in addition to the configuration of the first embodiment, the end face 2 of the wall balustrade 1 is formed into a shape capable of suppressing the shrinkage of the joint material.
That is, as shown in FIG. 6, the end surface 2 of the wall column 1 is the wall surface side end surface portion 21; 21 close to the wall surface (inner wall surface 1u or outer wall surface 1f) extending along the bridge axis direction X of the wall column 1. , The groove side end face portion 22; 22 close to the groove 3 and the relay end face portion 23 connecting the wall surface side end face portion 21 and the groove side end face portion 22 are provided, and the relay end face portion 23 is the groove side of the wall surface side end face portion 21. The structure is formed on an inclined surface extending from the edge 24 in a direction away from the center position in the direction Y perpendicular to the bridge axis of the groove 3.

In other words, the end surface 2 of the wall railing column 1 is an acute-angled surface that is folded back from the groove-side end edge 24, which is an extension end of the wall surface-side end surface portion 21 extending from the inner wall surface 1u toward the outer wall surface 1f, to the inner wall surface 1u side. The relay end face portion 23 and the relay end face portion 23 which is an acute-angled surface which is folded back from the groove side end edge 24 which is an extension end of the wall surface side end face portion 21 extending from the outer wall surface 1f toward the inner wall surface 1u toward the outer wall surface 1f are provided. The angle formed by the wall surface side end face portion 21 and the relay end face portion 23 is formed at an acute angle.

According to the joint structure between the wall balustrades according to the third embodiment, the end face 2 of the wall balustrade 1 includes a wall surface side end face portion 21, a groove side end face portion 22, and a relay end face portion 23, and the relay end face portion 23 is a wall surface. A configuration formed on an inclined surface extending in a direction away from the groove 3 from the groove side edge 24 of the side end surface portion 21, that is, the angle formed by the wall surface side end surface portion 21 and the relay end surface portion 23 is formed at an acute angle. Therefore, when a crack occurs at the boundary between the wall surface side end surface portion 21 and the joint material from the wall surface (inner wall surface 1u or outer wall surface 1f) side toward the groove side end edge 24, it becomes easy to stop at the groove side end edge 24. ..
That is, the shrinkage of the joint material can be suppressed, the cracking of the joint can be prevented, and the permeation of rainwater and salt into the joint can be suppressed, so that the corrosion of the H-shaped steel 6 installed at the joint of the joint can be prevented. It has a structure that can be suppressed.

Therefore, according to the joint structure between the wall railings according to the third embodiment, the structure can sufficiently resist the pulling force in the bridge axis direction X and the impact force in the bridge axis perpendicular direction Y applied to the wall railings 1. In addition to the effect of the first embodiment that the replacement work of the wall railing column 1 can be facilitated and the cost can be reduced, the angle formed by the wall surface side end face portion 21 and the relay end face portion 23 is formed at an acute angle, so that the joint material shrinks. It is possible to suppress the cracking of the joint, and the permeation of rainwater and salt into the joint is suppressed, so that the effect of suppressing the corrosion of the H-shaped steel 6 installed at the joint of the joint is obtained. It becomes a joint structure.

Embodiment 4
As shown in FIG. 7, the joint structure between the wall railings according to the fourth embodiment is a combination of the configuration of the third embodiment and the configuration of the second embodiment.
That is, a wall height column 1 provided with the striped steel plate 8, reinforcing bars 9, and reinforcing bars 10 described in the second embodiment is formed in the groove 3 of the third embodiment, and the wall height columns 1; 1 are adjacent to each other along the bridge axis direction X. After inserting the H-shaped steel 6 into the grooves 3; 3 of the adjacent wall railings 1; 1, the filler such as mortar is inserted into the grooves 3; 3 and the joint spacing 5. 7 is filled to integrate the adjacent wall railings 1; 1 along the bridge axis direction X.
According to the joint structure between the wall balustrades according to the fourth embodiment, the structure can sufficiently resist the pulling force of the bridge axis direction X and the impact force of the bridge axis perpendicular direction Y applied to the wall balustrade 1, and also the wall balustrade. In addition to the effect of the first embodiment that the replacement work can be facilitated and the cost can be reduced, the striped steel plate 8 and the reinforcing bars 9; 10 are provided. The effect of the second embodiment that the pull-out shear resistance is further improved, and further, since the angle formed by the wall surface side end face portion 21 and the relay end face portion 23 is formed at a sharp angle, the shrinkage of the joint material can be suppressed and the joint can be suppressed. Since cracks can be prevented and the permeation of rainwater and salt into the joints can be suppressed, the structure can obtain the effect of the third embodiment that the corrosion of the H-shaped steel 6 installed at the joint of the joints can be suppressed. Become.
In addition, in FIG. 7, an example using a striped steel plate 8 formed in a concave cross section according to the cross-sectional shape of the groove 3 shown in FIG. 5 is shown, but the groove 3 shown in FIG. 7 (groove 3 in FIG. 5) is shown. A striped steel plate 8 formed with a concave cross section that matches the cross-sectional shape of the groove 3) having a shorter groove depth than the groove 3) may be used.

Embodiment 5
In the joint structure between the wall balustrades according to the fifth embodiment, the shape of the end face 2 of the wall balustrade 1 was devised to improve the shear resistance of the joint.
That is, as shown in FIG. 8, the wall surface (inner wall surface 1u or outer wall surface 1f) extending along the bridge axis direction X of the wall railing column 1 extends in the vertical direction on the end surface 2 between the edge 1s and the groove 3. A structure is provided in which the concave groove 41 is provided so as to be formed, and the filler 7 is filled in the concave groove 41 to improve the shear resistance of the joint.

Therefore, according to the joint structure between the wall balustrades according to the fifth embodiment, the structure can sufficiently resist the pulling force in the bridge axis direction X and the impact force in the bridge axis perpendicular direction Y applied to the wall balustrade 1. In addition to the effect of the first embodiment that the replacement work of the wall balustrade can be facilitated and the cost can be reduced, the effect that the shear resistance of the joint is further improved by filling the recessed groove 41 with the filler 7 is obtained. It becomes a joint structure.
Further, since the concave groove 41 is provided between the edge 1s of the wall surface (inner wall surface 1u or outer wall surface 1f) of the wall height column 1 and the groove 3, the presence of the concave groove 41 causes rainwater to the joint portion of the joint. The permeation of salt can be suppressed, and the corrosion of the H-shaped steel 6 installed at the joint of the joint can be suppressed.

Embodiment 6
As shown in FIG. 9, the joint structure between the wall railings according to the sixth embodiment is a combination of the configuration of the fifth embodiment and the configuration of the second embodiment.
Therefore, according to the joint structure between the wall railings according to the sixth embodiment, the joint structure is such that the effects of the second embodiment and the effects of the fifth embodiment can be obtained in addition to the effects of the first embodiment described above.

Embodiment 7
The joint structure between the wall balustrades according to the seventh embodiment has a configuration having both the configuration of the third embodiment (FIG. 6) and the configuration of the fifth embodiment (FIG. 8).
That is, as shown in FIG. 10, it is formed so as to extend in the vertical direction on the end surface 2 between the wall surface (inner wall surface 1u or outer wall surface 1f) extending along the bridge axis direction X of the wall height column 1 and the groove 3. The recessed groove 51 is provided with an acute-angled portion for suppressing shrinkage of the joint material.

That is, the concave groove 51 formed so as to extend in the vertical direction on the end surface 2 between the inner wall surface 1u and the groove 3 is located on the surface parallel to the end surface 2 in the groove bottom surface 52 and the groove bottom surface 52. The groove inner wall surface 54 that reaches the end surface 2 from the end edge 53 on the inner wall surface 1u side in the bridge axis perpendicular direction Y and the end surface 2 from the edge 55 on the outer wall surface 1f side in the bridge axis perpendicular direction Y at the groove bottom surface 52. It is formed by a space surrounded by a groove inner wall surface 56.
Further, the concave groove 51 formed so as to extend in the vertical direction on the end surface 2 between the outer wall surface 1f and the groove 3 is located on the surface parallel to the end surface 2 in the groove bottom surface 52 and the groove bottom surface 52. The groove inner wall surface 54 that reaches the end surface 2 from the edge 53 on the inner wall surface 1u side in the direction perpendicular to the bridge axis Y, and the end surface 2 reaches the end surface 2 from the edge 55 on the inner wall surface 1u side in the direction perpendicular to the bridge axis Y at the bottom surface 52 of the groove. It is formed by a space surrounded by a groove inner wall surface 56.
The angle formed by the end surface 2 and the groove inner wall surface 54 is formed at an acute angle.
Further, the groove inner wall surface 54 and the groove inner wall surface 56 are formed in parallel.

Therefore, according to the joint structure between the wall balustrades according to the seventh embodiment, in addition to the effect of the first embodiment, the filling material 7 is filled in the concave groove 51, so that the shear resistance of the joint is further improved. Since the effect of Form 5 is obtained and the angle formed by the groove inner wall surface 54 of the concave groove 51 and the end surface 2 is formed at a sharp angle, shrinkage of the joint material can be suppressed and cracking of the joint can be prevented. Since the permeation of rainwater and salt into the joints is suppressed, the joint structure has the effect of the third embodiment that the corrosion of the H-shaped steel 6 installed at the joint portion of the joints can be suppressed.

8th Embodiment
As shown in FIG. 11, the joint structure between the wall railings according to the eighth embodiment is a combination of the configuration of the seventh embodiment and the configuration of the second embodiment.
Therefore, according to the joint structure between the wall railings according to the eighth embodiment, in addition to the effect of the seventh embodiment described above, the effect of the second embodiment (the H-shaped steel provided by the striped steel plate 8 and the reinforcing bars 9; 10) is provided. The joint structure is such that the pull-out shear resistance of 6 is further improved).

In the above description, the configuration in which the striped steel plate 8, the reinforcing bar 9, and the reinforcing bar 10 are provided together is illustrated, but the configuration may not include the striped steel plate 8, or the configuration may not include the reinforcing bar 9 and the reinforcing bar 10.

Further, the left and right groove inner wall surfaces 33; 33 of the groove 3 may be formed by curved surfaces, stepped surfaces, or the like that approach each other as they approach the end surface 2.

Further, if the above-mentioned wall balustrade and floor slab are manufactured integrally, the wall balustrade can also be installed when the floor slab is installed, so that the process can be significantly shortened as compared with the conventional method.

Further, although the H-shaped steel 6 is used as the core material, for example, an I-shaped steel other than the H-shaped steel may be used as the core material. That is, they are formed so as to extend in the vertical direction on the end faces 2; 2 facing each other of the wall height columns 1; 1 arranged so as to be adjacent to each other along the bridge axis direction X with the joint spacing 5 in between. The core material inserted and arranged in each groove 3; 3 so as to straddle each groove 3; 3 facing each other extends in the vertical direction in each groove 3 and extends along the bridge axial direction X with the central portion. , The structure including each end extending from both ends in the bridge axis direction X of the central portion in the direction away from each other along the bridge axis perpendicular direction Y may be used.

1 wall height column, 1u inner wall surface (wall surface), 1f outer wall surface (wall surface), 2 end surface, 3 grooves,
5 joint spacing, 6 H-shaped steel (core material), 7 filler, 8 striped steel plate (plate material),
9; 10 Reinforcing bar, 21 Wall side end face, 22 Groove side end face, 23 Relay end face,
31 groove bottom surface, 33 groove inner wall surface, 41; 51 concave groove.

Claims (4)

It is a structure that joins wall balustrades arranged so as to be adjacent to each other along the direction of the bridge axis.
Grooves that are formed to extend in the vertical direction at each facing end face of each wall railing that is arranged adjacent to each other along the bridge axis direction with a joint spacing, and each groove facing each other.
A core material inserted and arranged in each groove so as to straddle each groove,
Each groove in which the core material is arranged and the filler filled in the joint spacing are provided.
The core material extends in the vertical direction in each groove and extends in the direction away from each other along the bridge axis perpendicular direction from both ends in the bridge axis direction of the central portion extending along the bridge axis direction. With each end,
Each groove includes a groove bottom surface facing the end portion of the core material, and an inner wall surface of each groove reaching the end surface from both ends in the direction perpendicular to the bridge axis of the groove bottom surface.
The inner wall surface of each groove is formed so as to approach each other as it approaches the end face .
The end face of the wall balustrade extends along the bridge axis direction of the wall balustrade. The wall surface side end face portion close to the wall surface, the groove side end face portion close to the groove, and the relay end face portion connecting the wall surface side end face portion and the groove side end face portion. With and
A joint structure between wall balustrades, characterized in that the relay end face portion is formed so as to incline and extend in a direction away from the center position in the direction perpendicular to the bridge axis of the groove from the groove side end face portion of the wall surface side end face portion. It is a structure that joins wall balustrades arranged so as to be adjacent to each other along the direction of the bridge axis.
Grooves that are formed to extend in the vertical direction at each facing end face of each wall railing that is arranged adjacent to each other along the bridge axis direction with a joint spacing, and each groove facing each other.
A core material inserted and arranged in each groove so as to straddle each groove,
Each groove in which the core material is arranged and the filler filled in the joint spacing are provided.
The core material extends in the vertical direction in each groove and extends in the direction away from each other along the bridge axis perpendicular direction from both ends in the bridge axis direction of the central portion extending along the bridge axis direction. With each end,
Each groove includes a groove bottom surface facing the end portion of the core material, and an inner wall surface of each groove reaching the end surface from both ends in the direction perpendicular to the bridge axis of the groove bottom surface.
The inner wall surface of each groove is formed so as to approach each other as it approaches the end face.
Joining structure between the wall railings you comprising the reinforcing bars provided so as to extend in the vertical direction in the groove. A concave groove formed so as to extend in the vertical direction at the end surface between the edge of the wall surface extending along the bridge axis direction of the wall balustrade and the groove is provided, and the groove is filled with a filler. The joint structure between wall railings according to claim 1 or 2, wherein the wall railings are joined to each other. The invention according to any one of claims 1 to 3, wherein a plate material attached to the groove bottom surface and the groove inner wall surface of the groove is provided, and the surface of the plate material in contact with the filler is provided with an uneven portion. The joint structure between the wall balustrades.

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