JPH09184242A - Reinforcing plate structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of good quality which can make easy fixing works and allows execution of works in a short time at a low cost. SOLUTION: A plurality of reinforcing plates 2, 2 are adjoiningly installed on a structure concerned in such a way as enclosing and coupled together, and a hardening filler is injected into the gaps between the structure and reinforcing plates 2, 2 so that they are fastened in reinforcement. Each reinforcing plate 2 is furnished with joint members 4, 5 to generate coupling in the overlapped condition, and projections and recesses 4a, 4b, 5a, 5b to engage one another are formed on/in the mating surfaces of these joint members 4, 5, wherein the angle α to the reference surface P formed by the engaging surface to generate engagement when adjoining reinforcing plates 2 are pulled toward the base ends 11 and foremost extremities 12 of the joint member 4, 5 should meet the condition 90 deg.>α>=45 deg.. Also α>=β should be met, where β represents the angle to the reference surface P formed by the engaging surface opposing to the above-mentioned engaging surface, and the thicknesses of the joint members 4, 5 should be constant substantially from their base ends toward the foremost.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to the surface of a structure,
The present invention relates to a reinforcing plate structure for a structure, in which a plurality of reinforcing plates are arranged adjacent to each other, covered, and fixed to each other to reinforce the structure.

[0002]

As is known in the art, for example,
Structures such as reinforced concrete applied to high-rise buildings are composed of columns and beams made of reinforced concrete with main bars and stirrups, and have excellent earthquake resistance. Various reinforcement methods have been proposed and adopted for the above-mentioned structures made of reinforced concrete in order to provide an earthquake-resistant structure.

In particular, for a reinforced concrete structure such as a pillar, a plurality of reinforcing plates are wound around the structure and connected by welding or the like, and epoxy resin or a resin is further provided in the gap between the reinforcing plate and the structure. A reinforcing method is adopted to increase the strength by filling mortar or the like. This reinforcement method is
It is particularly effective against radial expansion due to a load such as compression applied to a column or the like, and has an advantage that it can be applied to an existing structure.

[0004]

However, the following problems remain in the method of reinforcing a structure described above. That is, welding work is required to connect a plurality of reinforcing plates to each other, and it is necessary to secure a large number of skilled welders depending on the construction scale, and a large amount of work cost is required accordingly. become. Further, in the method of connecting the reinforcing plates by welding, there is a problem that the quality, particularly the strength, of the reinforcing plates tends to vary, and the work takes time.

The present invention has been made in view of the above-mentioned problems, and is a reinforcing plate of a good quality structure which can be easily fixed and can be constructed at low cost and in a short time. It is intended to provide a structure.

[0006]

In order to solve the above-mentioned problems, the present invention adopts the following reinforcing plate structure for structures. That is, the reinforcing plate structure of the structure according to claim 1,
A plurality of reinforcing plates are arranged adjacent to each other on the surface of the structure to cover them, and they are connected to each other, and the curable filler is injected into the gap between the structure and the reinforcing plate to fix the structure and the reinforcing plate. In the reinforcing plate structure of a structure that reinforces each other, joint members that connect the side portions of the adjacent reinforcing plates in a state of being overlapped with each other are respectively formed, and these joint members are connected to each other by screwing. In addition, concave and convex portions that engage with each other and restrain the movement of the reinforcing plate in the adjoining direction are formed on the overlapping surfaces of these joint members, respectively. The angle α formed by each engagement surface that engages when the reinforcing plate is pulled in the direction between the base end and the tip of the joint member and the reference surface parallel to the plate surface of the side portion is 90 °> α. Engagement that is ≧ 45 ° and that opposes the engagement surface Angle β between the surface and the reference surface
Is α ≧ β, and further, each of the joint members is formed so that the thickness dimension thereof becomes substantially constant from the base end to the tip.

The reinforcing plate is made of a steel plate, a stainless steel plate, a duralumin plate, an aluminum plate, a fiber reinforced plastic (FRP) having glass fiber as a reinforcing material, and is welded, bonded, welded, crimped, etc. A plate material that can be connected is preferably used.

In the reinforcing plate structure of this structure, the adjacent reinforcing plates are engaged with each other when the adjacent reinforcing plates are pulled in the direction between the base end and the distal end of the joint member, and the plate surface of the side portion. The angle α with the parallel reference plane is 90 °> α ≧ 45 °, and
By setting the angle β formed by the engaging surface facing the engaging surface and the reference surface to be α ≧ β, the adjacent reinforcing plates are separated from each other in the adjacent direction, that is, the mutually fixed reinforcing plates are separated from each other. When the tensile force acts in the direction, the engagement surfaces of the joint members are firmly engaged with each other, and the joint strength between the joint members is improved. As a result, the reinforcement of the structure becomes stronger. Furthermore, by forming each of the joint members such that the thickness dimension thereof is substantially constant from the base end to the tip, the manufacturing cost of the joint members is low, and in addition, Positioning at the time of stacking and screwing becomes easy.

According to a second aspect of the present invention, there is provided a reinforcing plate structure for a structure according to the first aspect, wherein one of the joint members on the side of the structure penetrates in the thickness direction of each joint member. The hole, the other through hole in the outer joint member, the through holes are formed so as to communicate with each other, bolts are inserted from the joint member on the structure side in each of the through holes,
A nut is tightened on the tip of the bolt protruding to the outer surface of the outer joint member, and the other through hole is a long hole extending in the direction between the base end and the tip of the joint member.

In the reinforcing plate structure of this structure, the other through hole is a long hole extending in the direction between the base end and the tip of the joint member, and the bolts are tentatively aligned with the overlapping surfaces of the joint members. -Tightening the nut temporarily and engaging these joint members with each other in this temporarily tightened state facilitates the engagement of these joint members.

A reinforcing plate structure for a structure according to a third aspect is the reinforcing plate structure for a structure according to the first or second aspect, wherein each of the engagement surfaces facing the respective engagement surface has the respective engagement surface. The angle β is set to be substantially equal to the angle α so as to form a guide surface for engaging the surfaces.

In the reinforcing plate structure of this structure, the angle β is set so that the engagement surfaces facing the engagement surfaces form guide surfaces for engaging the engagement surfaces. Since the angle is set to be substantially equal to the angle α, the convex portion of one joint member is guided by the guide surface and promptly enters and engages with the concave portion of the other joint member. This makes it possible to engage the joint members more easily and quickly.

The reinforcing plate structure for a structure according to claim 4 is the reinforcing plate structure for a structure according to claim 3, wherein the joint surface forming the guide surface is in the thickness direction of the joint member. A step portion along the reference plane is provided at the center position of the engaging portion of the concave portion and the convex portion.

In the reinforcing plate structure of this structure, the joint surface forming the guide surface is in the thickness direction of the joint member, and extends along the reference plane at the center position of the engaging portion of the concave portion and the convex portion. By having the step portion, the convex portion of one joint member once abuts on the step portion of the other joint member, and then enters the concave portion of the other joint member to be engaged. This makes it possible to engage the joint members more easily and quickly.

A reinforcing plate structure for a structure according to claim 5 is the reinforcing plate structure for a structure according to claim 1, 2, 3 or 4, wherein the structure is a pillar or a beam. Is arranged to cover the peripheral surface of the pillar or the beam.

In the reinforcing plate structure of this structure, since the reinforcing plates are connected and fixed so as to cover the peripheral surfaces of the columns and the beams, the strength against the expansion force in the radial direction due to the compressive force applied to the columns and the like. The strength against bending moment of beams and beams is increased.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. [First Embodiment] FIGS. 1 to 5 are views showing a first embodiment of the present invention. In the drawings, reference numeral 1 is a pillar, 2 is a reinforcing plate, 3 is mortar, and 4 and 5 are joint members. Is.

In this reinforcing plate structure, a reinforced concrete column 1 having a rectangular cross section, which is a structure, is surrounded by reinforcing plates 2 and 2 made of two metal plates such as iron plates and steel plates having a U-shaped cross section. The reinforcing plates 2 and 2 are arranged adjacent to each other so as to face each other with the entire circumference of the pillar 1 being covered, and the reinforcing plates 2 and 2 cover the surface of the pillar 1 and side portions 2a of each other.
2b is connected and fixed in a state of being overlapped by the joint members 4 and 5.

The joint members 4 and 5 are provided in the vicinity of the corners of the rectangular column 1 so that the joint member 5 on the corner side is on the outer surface side, so that the column 1 expands in the radial direction. The engaging portions of the joint members 4 and 5 are difficult to disengage due to the force. Further, the gap between the pillar 1 and the reinforcing plates 2 and 2 is filled with mortar 3, which is a curable filler.

The column 1 may be any of a steel frame column, a steel pipe column, a filled concrete steel pipe column, or a horizontal member such as a truss beam or a beam member such as a diagonal member. Further, the cross-sectional shape of the pillar, the beam, etc. is not limited to the rectangular shape.

The side portions 2a and 2b of the reinforcing plate 2 are shown in FIG.
As shown in FIG. 3, joint members 4 and 5 for connecting the side portions 2a and 2b in a superposed state are formed respectively.
A through hole 4a for inserting a bolt is formed in the joint member 4, a bolt 6 is inserted into the through hole 4a from the inner surface side, and the head of the bolt 6 is spotted on the joint member 4 by welding. It is fixed. On the other hand, the joint member 5 has a base end 11 that has the same axis as the through hole 4a and is fixed to the side portion 2b of the joint member 5, and a tip 12 that is located forward in the extension direction of the side portion 2b. Long hole 5 that is a through hole that is long in the space direction
a is formed.

The joint member 4 is superposed on the joint member 5, and the joint members 4 and 5 are screwed with a nut 8 via a washer 7 to a bolt 6 protruding from the through hole 4a to the outer surface side. It is fixed by screws.
On the overlapping surface of the joint member 4 with the joint member 5,
A plurality of concave portions 4b, ... and a plurality of convex portions 4c, ... for restraining the movement of the reinforcing plates 2 and 2 in the adjacent direction are formed, and the joint member 5 has a superposed surface on which the joint member 4 is superposed. A plurality of concave portions 5 having a shape complementary to the concave portions 4b, ... And the convex portions 4c, ... That restrain the movement of the reinforcing plates 2, 2 in the adjacent direction.
, and a plurality of convex portions 5c ,.

As shown in FIG. 4, in the joint member 4, the adjacent reinforcing plates 2 and 2 of the joint surfaces of the concave portions 4b, ... And the convex portions 4c ,. When it is pulled in the direction between the base end 11 fixed to 2a and the tip 12 located in the extension direction of the side portion 2a, it engages with the concave portions 5b, ... And the convex portions 5c ,. Recess 4b, ...
And an angle α formed between each engagement surface 13 of the convex portions 4c, ... With a reference plane P parallel to the plate surface of the side portion 2a is 90 °> α ≧ 45.
And each engaging surface 1 facing the engaging surface 13
An angle β formed by 4 and the reference plane P is set to be substantially equal to the angle α so as to form a guide surface when engaging the engagement surfaces 13.

A step portion 15 is formed along the reference plane P on the engaging surface 14 on the base end 11 side.
The engagement surface 14 has a primary guide surface 16 and a secondary guide surface 17 having an angle substantially equal to the angle α.

In the joint member 4, a plane passing through the center of each of the engaging surfaces 13, ..., 14 of the concave portions 4b, ... And the convex portions 4c ,. It is configured so as to coincide with the passing surface, and is formed such that its thickness dimension is substantially constant from the base end 11 to the tip 12. The outer surface sides of the base end 11 and the tip 12 serve as fixing portions for fixing the side portions 2b of the joint members 5 to be overlapped.

As shown in FIG. 5, the joint member 5 has recesses 5b, ... And protrusions 5c, just like the joint member 4.
Of the joint surfaces of ..., the adjacent reinforcing plates 2 and 2 are fixed to the side portion 2a of the joint member 5, and the base end 11 and the side portion 2 are fixed.
When being pulled in the direction between the tips 12 located forward of the extension direction of a, the concave portions 4b, ... And the convex portions 4 of the joint member 4 are drawn.
The angle α formed by each of the engaging surfaces 13 of the concave portions 5b, ... And the convex portions 5c, ... that engage with c, ... With the reference plane P parallel to the plate surface of the side portion 2a is 90 °> α ≧ 45. And the angle β formed by each of the engagement surfaces 14 facing the engagement surface 13 and the reference surface P is an angle so as to form a guide surface when engaging each of the engagement surfaces 13. It is set to be approximately equal to α.

A step portion 15 is formed along the reference plane P on the engagement surface 14 on the base end 11 side.
The engagement surface 14 has a primary guide surface 16 and a secondary guide surface 17 having an angle substantially equal to the angle α.

Also in the joint member 5, exactly the same as the joint member 4, the surfaces passing through the centers of the engaging surfaces 13, 14, 14, ... Of the concave portions 5b, ... And the convex portions 5c ,. The side part 2a is formed so as to coincide with a plane passing through the center of the side part 2a in the thickness direction, and is formed such that its thickness dimension is substantially constant from the base end 11 to the tip 12. The inner surface sides of the base end 11 and the tip 12 are fixed parts for fixing the side parts 2a of the joint members 4 to be overlapped.

Next, a method of manufacturing the joint members 4 and 5 will be described. In order to manufacture the joint member 4, as shown in FIG. 6, the steel material 22 is rolled so that the engagement surface 21 is perpendicular to the reference plane P, and then the engagement surface 21 is changed to the reference plane P.
And the through hole 4a is formed, the side part 2a of the reinforcing plate 2 is welded to the base end 11, and then the bolt 6 is welded to the through hole 4a. To form the joint member 4. As shown in FIG. 7, the joint member 5 can also be manufactured in exactly the same manner as the joint member 4 except that the bolt 6 is not welded.

In this reinforcing plate structure, the reinforcing plates 2 and 2 are fixed to each other by screwing the bolts 6 and the nuts 8, and the joint members 4 and 5 have adjacent reinforcing plates 2 and 2.
The angle α formed between each engagement surface 13 that engages when 2 is pulled in the direction between the base end 11 and the tip 12 of the joint members 4 and 5 and the reference plane P parallel to the plate surface of the side portion 2a is 90 °> α ≧ 45 °, and an angle β between the engaging surface 14 facing the engaging surface 13 and the reference surface P constitutes a guide surface for engaging each engaging surface 13. As described above, by setting the angle α to be substantially equal to each other, the adjacent reinforcing plates 2 and 2 in the adjacent direction,
That is, the engaging surface 1 of each joint member 4 and 5 when a tensile force acts in a direction in which the reinforcing plates fixed to each other are separated from each other.
The engagement between the joint members 3 and 13 is strengthened, and the joint strength between the joint members 4 and 5 is improved. As a result, the reinforcement of the structure becomes stronger.

When the joint members 4 and 5 are engaged with each other, the convex portion 4c of the joint member 4 is the engaging surface 14 which is a guide surface.
And, guided by the engaging surface 13, the concave portion 5b of the joint member 5 is promptly entered and engaged. This allows the joint members 4 and 5 to be engaged with each other more easily and quickly.

Further, a step portion 15 is formed along the reference plane P on the engaging surface 14 on the base end 11 side of each of the joint members 4 and 5, whereby the engaging surface 14 has an angle α. Since the primary guide surface 16 and the secondary guide surface 17 having substantially the same angle are provided, the protrusion 4c on the tip 12 side of the joint member 4 is guided by the primary guide surface 16 of the joint member 5. After once contacting the stepped portion 15, the secondary guide surface 17 further guides the recessed portion 5b to engage with it. This makes it possible to engage the joint members 4 and 5 with each other more easily and quickly. Further, since the reinforcing plates 2 and 2 are connected and fixed so as to surround the periphery of the pillar 1, it has a high strength against a radial expansion force due to a compressive force or the like applied to the pillar 1.

Next, a method of constructing this reinforcing plate structure will be described with reference to FIGS. In the figure,
Reference numeral 41 is a base portion, and reference numeral 42 is a mounting jig for mounting the reinforcing plates 2 and 2.

[Mounting Jig Assembling Step] As shown in FIG. 8, on the base portion 1 a of the pillar 1 erected on the foundation portion 41,
The mounting jig 42 is assembled and fixed. The mounting jig 42 is
A base 42a fixed to the root portion 1a, and the base 42a
In addition, the base end is rotatably attached, and two ladder-shaped reinforcing plate mounting portions 42b that rotate in a direction in which the pillar 1 is clamped are provided.

[Standing Step of Reinforcing Plate] The reinforcing plate mounting portions 42b, 42b of the mounting jig 42 are rotated to fall on the base portion 41. Then, the reinforcing plate 2 is placed on the reinforcing plate mounting portions 42b, 42b with the inner surface side facing upward. Next, as shown in FIG. 9, the reinforcing plate mounting portions 42b, 42b are rotated toward the direction in which the column 1 is sandwiched (the direction of the arrow in the figure), and the reinforcing plates 2, 2 in the mounted state are respectively moved. Make it stand.
At this time, the reinforcing plates 2 and 2 are arranged so as to face each other and to surround the pillar 1 with a certain gap therebetween.

[Reinforcing Plate Connecting Step] Reinforcement Plates 2 Standed Upright
2 The respective joint members 4 and 5 are superposed on each other, and the bolts 7 and the nuts 8 are fastened to fix and connect them. At this time, the concave portions 4b, ... And the convex portions 4 of the joint member 4
, and the convex portions 5c, ... And the concave portions 5b, ... Of the joint member 5.
And are engaged with each other and brought into the above-mentioned engaged state.

Here, first, the concave portions 4b of the joint member 4,
... and the convex portions 4c, ... and the convex portions 5c, ... and the concave portions 5b, ... of the joint member 5 are arranged to face each other, and the tips of the bolts 6 are inserted into the elongated holes 5a. Next, the protrusions 4c and 5c on the side of each tip 12 are guided by the primary guide surface 16 and pressed against each step 15, and in this state, the bolt 6 and the washer 7
Temporarily tighten the nut 8 via. Then each tip 1
The convex portions 4c and 5c on the second side are guided by the secondary guide surface 17 to engage the concave portions 4b, ... And the convex portions 4c, ... With the convex portions 5c ,. While letting
Tighten the nut 8.

As described above, the joint members 4 and 5 have the bolts 7
By fastening the nut 8 and the nut 8, they are fixedly connected to each other. Furthermore, as shown in FIG.
A spacer 43 for securing a constant gap with the column 1 and a sealing member 44 for sealing mortar to be injected later are attached to the inner surface side of the upper end of the by adhesive or the like.

[Reinforcing Plate Raising Step] Next, as shown in FIG. 11, the assembled reinforcing plates 2 and 2 are raised upward along the pillar 1, and the upper ends of the reinforcing plates 2 and 2 are raised to the pillar 1. Upper beam 4
Abut the lower part of 5. At this time, the temporary fixing bolt 46
Through a temporary fixing through hole (not shown) formed in the lower portion of the reinforcing plates 2 and 2, and a temporary fixing hole (formed in the pillar 1 at a position corresponding to the temporary fixing through hole ( (Not shown), the reinforcement plates 2 and 2 are temporarily fixed so that they do not slip off. Further, the step of standing the reinforcing plate, the step of connecting the reinforcing plates and the step of raising the reinforcing plate are repeated to attach the plurality of reinforcing plates 2 and 2 to the entire peripheral surface of the column 1 in a temporarily fixed state.

[Reinforcing plate fixing step] All reinforcing plates 2 and 2
After temporarily fixing, these reinforcing plates 2 and 2 are finally fixed and fixed. At this time, the vertically adjacent reinforcing plates 2 are connected and fixed by welding or the like. Then, the upper ends of the reinforcing plates 2 and 2 are sealed using the sealing members 44, respectively.

[Mortar Injecting Step] Furthermore, mortar 3
Is injected into the gap between the reinforcing plates 2 and 2 and the column 1 to be filled, and is cured until it is sufficiently solidified. Then, the mounting jig 42 is disassembled.

As described above, according to this embodiment, the concave portions 5b, ... And the convex portions 5c, ... Of the joint member 5 among the joint surfaces of the concave portions 4b, ... And the convex portions 4c ,.
The engaging surfaces 1 of the concave portions 4b, ... And the convex portions 4c ,.
The angle α formed by the reference plane P parallel to the plate surface of the side portion 2a of 3 is 90 °> α ≧ 45 °, and each engagement surface 14 facing the engagement surface 13 and the reference plane P. Angle β with
Is set to be substantially equal to the angle α so as to form a guide surface for engaging the engagement surfaces 13, and the joint member 5 has the same complementary shape as the joint member material 4, so that the joint members 4, 5
The mutual engagement can be performed more easily and quickly.
In addition, the engagement surfaces 13, 13 of the joint members 4, 5 are more firmly engaged with each other, and there is no risk of disengagement.
The joint strength between them can be improved. Therefore, the reinforcement of the structure can be made stronger.

In the above embodiment, the reinforcing plate structure for the pillar 1 was described as a structure, but it is of course possible to apply it to another structure as another form. For example, when reinforcing a column having a rectangular cross-section and a large cross-sectional area, by using a plurality of reinforcing plates each having joint members 4 and 5 on both side portions 2a and 2b and having an L-shaped or flat plate-shaped cross section. The pillar can be reinforced.

When reinforcing the column, both side portions 2
By using a plurality of half-divided cylindrical reinforcing plates each having joint members 4 and 5 on a and 2b, it is possible to reinforce the column. In addition, when reinforcing the beam instead of the column, the joint members 4 are provided on both sides or both ends along the longitudinal direction of the beam.
The reinforcing plates 2 and 2 each having a U-shape in cross section are joined to the beam by engaging the joint members so as to extend in the horizontal direction and connecting the side plates and the bottom surface of the beam. High strength can be obtained even with respect to a load such as bending.

Further, in the case of reinforcing a wall or floor, a plurality of reinforcing plates each having joint members 4 and 5 on both sides or both ends and having a flat cross section are used to add to the wall or floor. High strength can be obtained even under load.

Further, the recesses 4b, ... Of the joint member 4 (5).
The number and shape of (5b, ...) And the convex portions 4c, ... (5c, ...) Are not limited to those in the above embodiment, and various shapes and numbers can be implemented. Furthermore, although the mortar 3 is injected into the space between the structure and the reinforcing plate to fix the structure and the reinforcing plate, a non-shrinkable curable filler other than the mortar 3 may be injected. . For example, you may inject and fill with an epoxy resin.

[Second Embodiment] FIG. 12 shows a second embodiment of the present invention.
5 is a diagram showing an embodiment of the present invention, in which reference numerals 51, 5
2 is a joint member. The second embodiment is different from the above-described first embodiment in that the joint member 4 of the first embodiment has two concave portions 4b and convex portions 4c, and the joint member 5 has two concave portions 5b and convex portions. 5c, respectively, and the concave portions 4b, ..., The convex portions 4c, ... Of the joint member 4 and the convex portions 5c ,. The joint member 51 of the second embodiment has one concave portion 4b and one convex portion 4c, and the joint member 52 has one concave portion 5b and one convex portion 5c, respectively. And the convex portion 5 of the joint member 52
The point is that the c and the recess 5b are engaged with each other.

In this reinforcing plate structure, since the concave portions 4b and the convex portions 4c of the joint member 51 and the convex portions 5c and the concave portions 5b of the joint member 52 are engaged with each other, the engaging portions are small due to the small concave and convex portions. The configuration is simple and construction is easy,
There is an advantage. Further, in FIG. 12, when the material of the joint members 51 and 52 is made equal to the material of the reinforcing plate 2, the length L from the tip 12 of the convex portions 4c and 5c of the joint members 51 and 52 is reinforced. It is desirable to set the thickness t of the plate 2 so as to satisfy the relationship of L ≧ 3t.

[Third Embodiment] FIG. 13 shows a third embodiment of the present invention.
It is a figure which shows the embodiment of FIG.
2 is a joint member. The difference of the third embodiment from the above-described second embodiment is that the tip ends 12 of the joint members 61, 62 are extended along the reference plane P so that the primary guide surface 1 is formed.
It is the point that it comes into contact with No. 6.

When the joint members 61 and 62 are fixedly connected to each other, the protuberance 4c of the joint member 61 and the protuberance 5c of the joint member material 62 are subjected to a breaking force due to the pulling force.
When the material of the joint members 61 and 62 is made equal to the material of the reinforcing plate 2, the length L from the tip 12 of the convex portions 4c and 5c of the joint members 61 and 62 is set to the thickness t of the reinforcing plate 2. , L ≧
It is set to satisfy the relationship of 3t.

In this reinforcing plate structure, the joint members 61, 62 are
The length L from the tip 12 of the convex portions 4c, 5c of the
The thickness t is set so as to satisfy the relationship of L ≧ 3t, thereby preventing the joint members 61 and 62 from being broken by the breaking force.

[0052]

As described above, according to the first aspect of the present invention.
According to the reinforcing plate structure of the structure described above, the adjacent reinforcing plates are respectively formed with joint members that connect the side portions thereof in a state of being overlapped with each other, and these joint members are connected to each other by screwing. An uneven portion that engages with each other to restrain the movement of the reinforcing plate in the adjoining direction is formed on each of the overlapping surfaces of the joint members, and each of the adjacent reinforcing plates among the joint surfaces of the concave portion and the convex portion. The angle α between each engagement surface that engages when the joint member is pulled in the direction between the base end and the tip of the joint member and the reference surface parallel to the plate surface of the side portion is 90 °> α ≧ 45 ° And, since the angle β formed between each engaging surface facing the engaging surface and the reference surface is α ≧ β, the adjacent reinforcing plates are adjacent to each other, that is, the reinforcing plates fixed to each other. Each joint member when a pulling force acts in the direction to separate the two from each other The engagement between the engaging surfaces can be made stronger, the risk of disengagement is eliminated, and the joint strength between the joint members can be improved. Therefore, the reinforcement of the structure can be made stronger.

Further, since the respective joint members are formed so that the thickness dimension thereof becomes substantially constant from the base end to the tip, the joint members can be easily positioned when they are superposed and screwed. It can be carried out.

According to the structure reinforcing plate structure of the second aspect, one through hole is formed in the joint member on the structure side and the other through hole is formed in the outer joint member in the thickness direction of each joint member. Is formed so that these through-holes communicate with each other, a bolt is inserted from the joint member on the structure side into each of the through-holes, and a nut is attached to the tip of the bolt protruding to the outer surface of the outer joint member. After tightening, the other through hole is a long hole that is long in the direction between the base end and the tip of the joint member.Temporarily tighten the bolts and nuts with the overlapping surfaces of these joint members temporarily aligned. By engaging the joint members with each other in the temporarily tightened state, the joint members can be easily engaged with each other.

According to the reinforcing plate structure of the structure of the third aspect, each of the engaging surfaces facing each of the engaging surfaces constitutes a guide surface for engaging the engaging surfaces. Since the angle β is set to be substantially equal to the angle α, the convex portion of one joint member is guided by the guide surface and quickly enters the concave portion of the other joint member to be engaged with each other. Can be engaged more easily and quickly.

According to the reinforcing plate structure of the structure of claim 4, the joint surface forming the guide surface is in the thickness direction of the joint member, and the center position of the engaging portion of the concave portion and the convex portion. Since it has a step portion along the reference surface, after the convex portion of one joint member once abuts the step portion of the other joint member,
The other joint member enters the recess and engages with each other, so that the joint member materials can be engaged with each other more easily and quickly.

According to the reinforcing plate structure for a structure of claim 5, the structure is a pillar or a beam, and the reinforcing plate is arranged so as to cover the peripheral surface of the pillar or the beam. It is possible to increase the strength against the expansion force in the radial direction due to the compressive force applied to the beam and the strength against the bending moment of the beam.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view showing a first embodiment of a reinforcing plate structure for a structure according to the present invention.

FIG. 2 is a cross-sectional view showing a joined state of the joint member according to the first embodiment of the present invention.

FIG. 3 is a plan view showing a joined state of the joint member according to the first embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a joint member of the first embodiment according to the present invention.

FIG. 5 is a cross-sectional view showing the joint member of the first embodiment according to the present invention.

FIG. 6 is a cross-sectional view showing the method of manufacturing the joint member of the first embodiment according to the present invention.

FIG. 7 is a cross-sectional view showing the method of manufacturing the joint member according to the first embodiment of the present invention.

FIG. 8 is a front view for explaining a mounting jig assembling process of the construction method in the first embodiment of the reinforcing plate structure for a structure according to the present invention.

FIG. 9 is a front view illustrating a reinforcing plate standing step of the construction method according to the first embodiment of the reinforcing plate structure for a structure according to the present invention.

FIG. 10 is a schematic cross-sectional view illustrating a reinforcing plate connecting step of the construction method in the first embodiment of the reinforcing plate structure for a structure according to the present invention.

FIG. 11 is a schematic cross-sectional view illustrating a step of raising the reinforcing plate of the construction method according to the first embodiment of the reinforcing plate structure for a structure according to the present invention.

FIG. 12 is a cross-sectional view showing a joined state of a joint member according to a second embodiment of the present invention.

FIG. 13 is a cross-sectional view showing a joined state of the joint member of the third embodiment according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 pillar 2 reinforcement plate 2a, 2b side part 3 mortar 4,5 joint member 4a, 5a through hole 4b, 5b concave part 4c, 5c convex part 6 bolt 7 washer 8 nut 11 base end 12 tip 13, 14 engaging surface 15 steps Part 16 Primary guide surface 17 Secondary guide surface 51,52 Joint member 61,62 Joint member P Reference surface α Angle formed by the reference surface of the engagement surface β Between the engagement surface facing the engagement surface and the reference surface Angle

Claims (5)

[Claims] 1. A structure comprising a plurality of reinforcing plates arranged adjacent to each other on the surface of a structure, covered with the reinforcing plates, and connected to each other, and a curable filler is injected into a space between the structure and the reinforcing plate. A reinforcing plate structure of a structure for fixing and reinforcing a reinforcing plate, wherein adjacent reinforcing plates are formed with joint members for connecting their side portions in a state of being overlapped with each other. Concave and convex portions that are connected to each other by screwing and that engage with each other and restrain the movement of the reinforcing plate in the adjacent direction are formed on the overlapping surfaces of these joint members. Among them, an angle α formed by each engaging surface that engages when each adjacent reinforcing plate is pulled in the direction between the base end and the tip of the joint member and the reference surface parallel to the plate surface of the side portion. Is 90 °> α ≧ 45 °, and the engagement is The angle β formed between each of the engagement surfaces facing each other and the reference surface is α ≧ β, and further, the thickness of each of the joint members is substantially constant from the base end to the tip. A reinforcing plate structure for a structure characterized by being formed. 2. The reinforcing plate structure for a structure according to claim 1, wherein one through hole is formed in the joint member on the structure side and the other is penetrated in the outer joint member in a thickness direction of each joint member. A hole is formed such that each of these through holes communicates with each other,
A bolt is inserted from the joint member on the structure side into each of the through holes, a nut is tightened at the tip of the bolt protruding to the outer surface of the outer joint member, and the other through hole is a base of the joint member. Reinforcement plate structure for structures, characterized by a long hole extending in the direction between the ends. 3. The reinforcing plate structure for a structure according to claim 1, wherein the engagement surfaces facing the engagement surfaces form guide surfaces when engaging the engagement surfaces. So that the angle β
Is set to be substantially equal to the angle α, and a reinforcing plate structure for a structure. 4. The reinforcing plate structure for a structure according to claim 3, wherein the joint surface forming the guide surface is in the thickness direction of the joint member, and the center position of the engaging portion of the concave portion and the convex portion. A reinforcing plate structure for a structure having a step portion along the reference plane. 5. The reinforcing plate structure for a structure according to claim 1, 2, 3 or 4, wherein the structure is a pillar or a beam, and the reinforcing plate covers a peripheral surface of the pillar or the beam. A reinforcing plate structure for a structure, which is characterized by being installed as.