JP2018159255A - Earthquake-proof structure member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an earthquake-proof structure member that can prevent degradation of fiber sheet, assemble to various shape, and is available as a construction member of structure or a reinforcement member of building.SOLUTION: In an earthquake-proof structure member, a fiber sheet is secured between erected parts of a pair of L-shaped steels, and another fiber sheet is secured between horizontal parts of the pair of L-shaped steels and a pressing plate, and thereby forming a cross section T-shaped component. The single cross section T-shaped component, or mutually coupled plural same components is/are used as a structure construction member or a structure reinforcement member.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an earthquake-resistant structural member used for a construction member or a reinforcing member of a structure.

  Conventionally, as a reinforcing structure for a structure, a seismic reinforcing structure has been proposed in which a fiber sheet is arranged on the surface to improve the tensile strength and vibration damping of the structure.

JP 2011-26786 A

  However, the conventional reinforcing structure in which the fiber sheet is arranged on the surface of the structure has a problem that the reinforcing effect of the fiber sheet is reduced because the fiber sheet is exposed and deteriorates due to ultraviolet rays or the like.

  The present invention provides a seismic structural member that solves the problems of the prior art, prevents deterioration of the fiber sheet, can be assembled into various shapes, and can be used as a structural construction member or a structural reinforcement member. Objective.

  In order to solve the above-mentioned problem, the seismic structural member of the present invention is formed by fixing a fiber sheet between upright portions of a pair of L-shaped steels and fixing the fiber sheet between a horizontal portion of the pair of L-shaped steels and a presser plate. The cross-sectional T-shaped member to be used is used alone or in combination as a structure construction member or a structure reinforcement member.

  The seismic structure member of the present invention is arranged so that the cut portions of the pair of cross-sectional T-shaped members whose ends are cut at an angle of 45 degrees are in contact with each other, and the pair of cross-sectional T-shaped members are connected by a connecting member. It is a character-shaped member.

  Moreover, the seismic structure member of the present invention is characterized in that a pair of the T-shaped cross-section presser plates are arranged so as to contact each other and are connected by a connecting member to form a cross-shaped cross-section member.

  Moreover, the earthquake-resistant structural member of the present invention is characterized in that the cross-sectional T-shaped member is fixed to the surface of the structure to serve as a reinforcing member for the structure.

  In addition, the earthquake-resistant structural member of the present invention is characterized in that the L-shaped member is fixed to a corner portion or a corner portion of the structure to be a reinforcing member for the structure.

  The seismic structural member of the present invention is characterized in that the cross-shaped cross-sectional member is an axial reinforcing member of a structure reinforcing structure in which a solidifying material is filled and integrated between an existing structure and a reinforcing mold. To do.

Construction of a structure by fixing a fiber sheet between upright portions of a pair of L-shaped steels and connecting a single or a plurality of T-shaped members formed by fixing the fiber sheet between a horizontal portion of a pair of L-shaped steels and a presser plate By using it as a member or structural reinforcement member, the fiber sheet that improves tensile strength and vibration energy attenuation is not exposed to the surrounding environment, and deterioration due to ultraviolet rays or the like is prevented and its performance can be maintained for a long time. It becomes possible, and it becomes possible to make an earthquake-resistant structural member excellent in earthquake resistance and durability as a structural construction member and a reinforcing member.
By arranging a pair of cross-section T-shaped members cut off at an angle of 45 degrees and contacting the cut-out portions of the pair of cross-section T-shaped members, the pair of cross-sectional T-shaped members are connected by a connecting member to form an L-shaped member. As a structural member for a frame structure, a corner member of a structure, and a reinforcing member for a corner portion, it is possible to provide an earthquake-resistant structural member having excellent earthquake resistance and durability.
As a cross member having a cross-section of a structure, such as a pair of T-shaped members having a cross-sectional shape and connected by a connecting member to form a cross-shaped member of a cross-section, as a structural reinforcing member An earthquake-resistant structural member having excellent earthquake resistance and durability can be obtained.
By fixing the cross-section T-shaped member to the surface of the structure to make the structure reinforcing member, it becomes possible to make the structure reinforcing member easy to be fixed to the structure and excellent in earthquake resistance and durability. .
By fixing the L-shaped cross-section member to the corner or corner of the structure to make it a reinforcing member for the structure, it is easy to fix to the corner or corner of the structure, and the earthquake resistance and durability of the structure It is possible to provide a structure reinforcing member that improves the above.
It is possible to improve the bending strength of the structure by making the cross-shaped cross-section member an axial reinforcing member of the structure reinforcing structure in which the solidified material is filled between the existing structure and the reinforcing formwork and integrated. Become.

It is a figure which shows embodiment of this invention. (A) (b) It is a figure which shows embodiment of this invention. (A) (b) It is a figure which shows embodiment of this invention. It is a figure which shows embodiment of this invention. It is a figure which shows embodiment of this invention. It is a figure which shows embodiment of this invention. It is a figure which shows embodiment of this invention. It is a figure which shows embodiment of this invention.

  An embodiment of the earthquake-resistant structural member of the present invention will be described with reference to the drawings. FIG. 1, FIG. 2 (a) (b) is a figure which shows the cross-sectional T-shaped member which is a basic shape of a fiber sheet sandwich earthquake proof structural member.

  In the cross-section T-shaped member 1, the fiber sheet 3 is stuck between the upright portions 2a of the pair of L-shaped steels 2 in a sandwich shape via an adhesive. Moreover, the fiber sheet 3 is stuck between the horizontal part 2b of a pair of L-shaped steel plates 2, and the presser plate 4 via an adhesive agent in the shape of a sandwich.

  The L-shaped steel 2 may be equilateral or unequal, but a shape in which the upright portion 2a and the horizontal portion 2b are orthogonal to each other is used. The fiber sheet 3 is formed of carbon fiber, aramid fiber, polyethylene fiber, polyarate fiber or the like having high tensile strength.

  When the cross-section T-shaped member 1 is used as a structural construction member or a structural reinforcing member, as shown in FIG. 5, the upright portion 2a in which the fiber sheet 3 is disposed in a sandwich shape and the fiber sheet 3 are disposed in a sandwich shape. The horizontal portion 2b and the presser plate 4 are connected by a connecting bolt 5.

  In the T-shaped member 1 formed in this way, the fiber sheet 3 that improves the tensile strength and vibration energy attenuation is not exposed to the surrounding environment, and deterioration due to ultraviolet rays or the like is prevented. Further, since the pair of L-shaped steels 2 are firmly connected by the connecting bolts 5, an earthquake-resistant structural member having excellent bending strength is obtained. The cross-sectional T-shaped member 1 is used as a construction member such as a crosspiece of a roof structure of a building, for example. Moreover, it fixes to the surface of a structure and uses it as a structure reinforcement member.

  FIGS. 3A and 3B are views showing an embodiment in which a pair of T-shaped members 1 and 1 are connected to form an L-shaped member 6. The end portions of the pair of cross-section T-shaped members 1 are cut at an angle of 45 degrees, and the cut-out portions of the pair of cross-section T-shaped members 1 are arranged to contact each other. In the embodiment shown in FIG. 3A, the horizontal portion 2b and the presser plate 4 in which the fiber sheets 3 having a pair of T-shaped members are arranged in a sandwich shape are positioned at the L-shaped outer right angle portion. An L-shaped connecting plate 6 is arranged at the outer right corner or the inner right corner, and a horizontal portion 2b and a presser plate 4 in which the L-shaped connecting plate 6 and the fiber sheet 3 of the pair of T-shaped members 1 are arranged in a sandwich shape. The L-shaped member 7 is formed by connecting with the connecting bolt 4.

  In the embodiment shown in FIG. 3 (b), the ends of the pair of cross-section T-shaped members 1 are cut at an angle of 45 degrees, and are arranged so that the cut-out portions of the pair of cross-section T-shaped members 1 are in contact with each other. Are formed in such a manner that the horizontal portion 2b and the presser plate 4 arranged in a sandwich shape are positioned at the L-shaped inner right-angle corner portion. An L-shaped connecting plate 6 is disposed at the inner right corner or the outer right corner, and a horizontal portion 2b and a presser plate 4 in which the L-shaped connecting plate 6 and the fiber sheet 3 of the pair of T-shaped members 1 are disposed in a sandwich shape. The L-shaped member 7 is formed by connecting with the connecting bolt 5.

  The L-shaped member 7 formed in this way is used as, for example, a construction member for a frame structure of a structure. Further, the L-shaped member 7 is used as a structure reinforcing member that is fixed to a corner or corner of a structure to be described later. The L-shaped member 7 of the embodiment shown in FIGS. 3 (a) and 3 (b) is selected and used according to the usage situation. The L-shaped member 7 prevents the fiber sheet 3 that improves the tensile strength and vibration energy attenuation from being exposed to the surrounding environment and prevents deterioration due to ultraviolet rays or the like.

  FIG. 4 is a view showing an embodiment in which a pair of cross-sectional T-shaped members 1, 1 are connected to form a cross-shaped cross-shaped member 8. The presser plates 4 of the pair of cross-section T-shaped members 1 are arranged so as to contact each other, and the horizontal portion 2b in which the fiber sheets 3 of the pair of cross-section T-shaped members 1 are arranged in a sandwich shape and the presser plate 4 are connected by connecting bolts 5. Thus, the cross-shaped member 8 is formed. The cross-shaped cross-section member is used as a member that is long in the axial direction, and is used as a structure building member such as a pillar or beam of a structure, or as an axial reinforcing material for a structure. The cross-shaped member 8 has a structure construction member and a structure reinforcement with high bending strength, in which the fiber sheet 3 that improves tensile strength and vibration energy attenuation is not exposed to the surrounding environment, is prevented from being deteriorated by ultraviolet rays, etc. It becomes possible to make it a member.

  FIG. 6 shows an embodiment in which the L-shaped member 7 shown in FIG. 3B is applied as a reinforcing member at the corner of the square steel column 9. The horizontal portion 2b in which the fiber sheet 3 located inside the L-shaped member 7 shown in FIG. 3 (b) is sandwiched and the presser plate 4 are arranged so as to be in contact with the four corners of the square steel column 9, The fiber sheet 3 is fixed to the square steel column 9 with a fixing bolt 10 penetrating the horizontal portion 2b and the presser plate 4 arranged in a sandwich shape. The L-shaped member 7 does not expose the fiber sheet 3 for improving tensile strength and vibration energy attenuation to the surrounding environment, prevents deterioration due to ultraviolet rays, etc., and can maintain its performance for a long period of time. It functions as a high reinforcing member.

  FIG. 7 shows an embodiment in which the L-shaped member 7 shown in FIG. 3A is applied as a reinforcing member at the intersection of the concrete column 11 and the concrete beam 12. The horizontal portion 2b in which the fiber sheet 3 located outside the L-shaped member 7 shown in FIG. 3A is arranged in a sandwich shape and the presser plate 4 are in contact with the corner of the intersection of the concrete column 11 and the concrete beam 12. Then, the fiber sheet 3 is fixed to the concrete beam 12 with a fixing bolt 10 penetrating the horizontal portion 2b and the presser plate 4 in which the fiber sheet 3 is sandwiched. The L-shaped member 7 does not expose the fiber sheet 3 for improving tensile strength and vibration energy attenuation to the surrounding environment, prevents deterioration due to ultraviolet rays, etc., and can maintain its performance for a long period of time. It functions as a high reinforcing member.

  FIG. 8 shows an embodiment in which the cross-sectional T-shaped member 1 and the cross-shaped cross-shaped member 8 are applied as reinforcing members to the reinforcing structure of the H-shaped steel column 13. The frame member 14 and the reinforcing plate 15 are fixed to the end of the flange 13a of the H-shaped steel column 13 composed of the flange 13a and the web 13b by the fixing bolt 16, and the space surrounded by the H-shaped steel column 13 and the mold member 14 In the reinforcing structure of the H-shaped steel column 13 which is solidified by filling a solidified material such as cement mortar and solidifying it, the cross-section T-shaped member 1 is fixed to the surface of the web 13b, and the cross-shaped cross-shaped member 8 is solidified material such as concrete mortar. It arranges in the space where is filled. The cross-section T-shaped member 1 functions as a reinforcing member that promotes the integration of the H-shaped steel column 13 and the solidified material and increases the rigidity of the H-shaped steel column 13. The cross-shaped cross-shaped member 8 functions as a reinforcing member that is arranged instead of the axial streak and increases the bending strength. Since the cross-section T-shaped member 1 and the cross-shaped cross-shaped member 8 both have the fiber sheet 3 disposed in a sandwich shape, it is possible to improve the tensile strength and vibration energy attenuation.

  As described above, according to the fiber sheet sandwich earthquake-resistant structural member of the present invention, the fiber sheet that improves tensile strength and vibration energy attenuation is not exposed to the surrounding environment, and deterioration due to ultraviolet rays or the like is prevented, and long-term performance is achieved. Therefore, it is possible to provide an earthquake-resistant structural member having excellent earthquake resistance and durability as a construction member and a reinforcing member for a structure.

  1: T-shaped member in section, 2: L-shaped steel, 2a: upright part, 2b: horizontal part, 3: fiber sheet, 4: presser plate, 5: connecting bolt, 6: L-shaped connecting plate, 7: L-shaped member 8: Cross-shaped cross section member, 9: Square steel column, 10: Fixing bolt, 11: Concrete column, 12: Concrete beam, 13: H-shaped steel column, 13a: Flange, 13b: Web, 14: Formwork member, 15: Reinforcement plate, 16: Fixing bolt

In order to solve the above-mentioned problem, the seismic structural member of the present invention is formed by fixing a fiber sheet between upright portions of a pair of L-shaped steels and fixing the fiber sheet between a horizontal portion of the pair of L-shaped steels and a presser plate. A structure construction member, or a structure having at least one of a cross-sectional T-shaped member, a plurality of cross-sectional T-shaped members connected, or a part of a cross-sectional T-shaped member cut and connected together It is used as a reinforcing member.

The seismic structure member of the present invention is characterized in that the ends of a pair of T-shaped members are cut at an angle of 45 degrees so that the cut portions are in contact with each other and are connected by a connecting member to form an L-shaped member. To do.

A cross-sectional T-shaped member formed by fixing a fiber sheet between a horizontal portion of a pair of L-shaped steels and a presser plate, or a plurality of cross-sectional T-shaped members are connected, or a part of the cross-sectional T-shaped member is cut off. By using at least one of a plurality of connected members as a structure building member or a structure reinforcing member, a fiber sheet that improves tensile strength and vibration energy attenuation is not exposed to the surrounding environment, such as ultraviolet rays. Therefore, it is possible to maintain the performance for a long period of time, and it is possible to provide an earthquake-resistant structural member having excellent earthquake resistance and durability as a structural construction member and a reinforcing member.
By constructing an L-shaped member by arranging the end portions of a pair of cross-section T-shaped members so as to be cut off at an angle of 45 degrees and contacting the cut-out portions and connecting them with a connecting member, As a reinforcing member for the corner portion and the corner portion, it is possible to provide an earthquake-resistant structural member having excellent earthquake resistance and durability.
As a cross member having a cross-section of a structure, such as a pair of T-shaped members having a cross-sectional shape and connected by a connecting member to form a cross-shaped member of a cross-section, as a structural reinforcing member An earthquake-resistant structural member having excellent earthquake resistance and durability can be obtained.
By fixing the cross-section T-shaped member to the surface of the structure to make the structure reinforcing member, it becomes possible to make the structure reinforcing member easy to be fixed to the structure and excellent in earthquake resistance and durability. .
By fixing the L-shaped cross-section member to the corner or corner of the structure to make it a reinforcing member for the structure, it is easy to fix to the corner or corner of the structure, and the earthquake resistance and durability of the structure It is possible to provide a structure reinforcing member that improves the above.
It is possible to improve the bending strength of the structure by making the cross-shaped cross-section member an axial reinforcing member of the structure reinforcing structure in which the solidified material is filled between the existing structure and the reinforcing formwork and integrated. Become.

Claims (6)

  Construction of a structure by fixing a fiber sheet between upright portions of a pair of L-shaped steels and connecting a single or a plurality of T-shaped members formed by fixing the fiber sheet between a horizontal portion of a pair of L-shaped steels and a presser plate An earthquake-resistant structural member characterized by being used as a member or a structural reinforcement member.   The pair of cross-sectional T-shaped members whose ends are cut at an angle of 45 degrees are disposed so as to contact each other, and the pair of cross-sectional T-shaped members are connected by a connecting member to form an L-shaped member. Item 2. The earthquake-resistant structural member according to item 1.   The seismic structural member according to claim 1, wherein the presser plates of the pair of T-shaped members are arranged so as to contact each other and are connected by a connecting member to form a cross-shaped member in cross section.   The seismic structural member according to claim 1, wherein the T-shaped member in cross section is fixed to a surface of the structure to be a reinforcing member for the structure.   The seismic structural member according to claim 2, wherein the L-shaped member is fixed to a corner portion or a corner portion of the structure to be a reinforcing member for the structure.   The seismic structural member according to claim 3, wherein the cross-shaped cross-sectional member is an axial reinforcing member of a structural reinforcing structure in which a solidifying material is filled and integrated between an existing structure and a reinforcing formwork. .

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