High-ductility energy dissipating brace

Abstract

This invention provides a high-toughness, buckling-resistant diagonal brace comprising an energy-dissipating core component and a confinement unit. The energy-dissipating core component has a core segment, and the confinement unit covers the outside of the core segment to provide lateral support. A key feature of this invention is that the core segment has a plurality of micro-holes, which can be configured according to a specific arrangement and shape. This invention overcomes the material limitations of traditional solid core components, effectively enhancing the overall diagonal brace's axial elongation and toughness through the perforated structural design, achieving superior seismic energy dissipation performance.

Description

High-toughness energy dissipation support device HIGH-DUCTILITY ENERGY DISSIPATING BRACE Technical Field

[0001] This invention relates to a shock-absorbing support device, and more particularly to an energy-dissipating support device that improves ductility by opening holes in the force transmission component. Prior Technology

[0002] In earthquake-prone areas, displacement-type energy dissipation bracing devices are frequently used in buildings. These devices are primarily buckling-restrained supports, such as the steel side-bracing buckling-restrained structure in Republic of China Patent No. 1369434, or the precast buckling-restrained support in Republic of China Patent No. 1304451. The common feature of these buckling-restrained supports is that when the core energy dissipation component is under pressure, it needs to be encased in restraint material to prevent buckling, thereby stabilizing the core energy dissipation component.

[0003] Core energy dissipation components are typically assembled from solid, straight, cross-shaped, and H-shaped steel sections. Their tensile and compressive deformation capacity (elongation) is mainly limited by the material properties of the steel itself and its length configuration. In designs requiring extremely high toughness or specific deformation requirements, the design flexibility of traditional solid sections is low. Increasing elongation usually requires a significant increase in the length of the diagonal braces, resulting in wasted space or design difficulties. Summary of the Invention

[0004] The purpose of this invention is to provide a support device that can improve overall toughness and elongation. The technical means is to create multiple "micro-holes" in the "energy dissipation section" (Yielding Core) of the core component.

[0005] To achieve the above objectives, this invention provides a support device that improves overall toughness and elongation. The support device includes an outer sleeve, a force-transmitting component, a pair of sleeve end plates, and several micro-holes. The outer sleeve has opposing first and second open ends. The force-transmitting component is composed of several or a single steel plate and is disposed within the internal space of the outer sleeve, wherein the cross-sectional area of ​​the opposing ends of the force-transmitting component is larger than the cross-sectional area of ​​the middle portion. A pair of sleeve end plates are disposed on opposing sides of the outer sleeve, one sleeve end plate having an opening shape based on the cross-sectional shape of the end of the force-transmitting component, and the other sleeve end plate having an opening shape based on the cross-sectional shape of the end of the other force-transmitting component. The sleeve end plates pass through both ends of the force-transmitting component and are fixed to both sides of the outer sleeve. Several micro-holes are disposed in the middle portion of the force-transmitting component.

[0006] In one embodiment of this invention, the aforementioned energy dissipation support device that can increase toughness has an outer tube with a cross-sectional shape of a rectangular square tube or a circular square tube.

[0007] In one embodiment of this invention, the aforementioned energy dissipation support device that can increase toughness is wherein the sleeve end plate is fixed to the outer sleeve by welding.

[0008] In one embodiment of this invention, the above-mentioned energy dissipation support device that can increase toughness has a cross-sectional shape of the force transmission component, which is straight, cross-shaped, or H-shaped.

[0009] In one embodiment of this invention, the aforementioned energy-dissipating support device that increases resilience has several micro-holes in the middle portion of the force-transmitting member.

[0010] In one embodiment of this invention, the above-mentioned energy dissipation support device that can increase toughness may have micro-holes shaped as rectangles, circles, triangles, ellipses, rhombuses, pentagons, hexagons, or polygons.

[0011] In one embodiment of this invention, the aforementioned energy dissipation support device that can increase toughness may have micro-holes located in the flanges and webs of the composite steel plate.

[0012] In one embodiment of this invention, the above-mentioned energy dissipation support device that can increase toughness can have micro-holes arranged in a single row, double row, matrix, or random arrangement.

[0013] In one embodiment of this invention, the above-described energy dissipation support device that can increase toughness has a radial gap between the outer sleeve and the force transmission member.

[0014] In one embodiment of this invention, the above-described energy dissipation support device that can increase toughness has a radial gap greater than or equal to 2 mm.

[0015] As described above, the energy dissipation support device of this invention has several tiny holes located in the middle part of the force transmission component. These holes can increase the toughness and elongation of the energy dissipation support device. In design projects that require extremely high toughness or specific deformation requirements, this device can replace the traditional solid cross-section design, avoiding a significant increase in the length of the diagonal brace, which would result in wasted space or design difficulties. Simple Explanation of the Diagram

[0016] Figure 1 is a perspective view of an embodiment of a support device for improving resilience according to the present invention.

[0017] Figure 2 is a side view of an embodiment of a support device that can improve resilience according to the present invention.

[0018] Figure 3 is a cross-sectional view along sections AA, BB, and CC of Figure 2.

[0019] Figure 4 is a schematic diagram of the shape of the micropores.

[0020] Figure 5 is a schematic diagram of the micropore arrangement. Implementation

[0021] To make the above and other objects, features, and advantages of this invention more apparent and understandable, preferred embodiments of this invention will be specifically described below in conjunction with the accompanying drawings. Furthermore, the directional terms used in this invention, such as up, down, top, bottom, front, back, left, right, inside, outside, side, surrounding, center, horizontal, transverse, vertical, longitudinal, axial, radial, uppermost, or lowermost, are merely for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this invention, and not for limiting this invention.

[0022] Please refer to Figures 1 through 5. This invention provides a support device (hereinafter referred to as support device 1) that can improve the toughness of the structure and can be used to install on the steel frame support of a building. Several tiny holes 50 are machined in the middle part of the force transmission member 40, which can increase the toughness and elongation of the energy dissipation support device.

[0023] Specifically, the support device 1 of this embodiment mainly includes an outer sleeve 20, a force-transmitting member 40, a pair of sleeve sealing plates 30, and one or more micro-holes 50 provided in the middle section 41 of the force-transmitting member. The outer sleeve 20 is a hollow tube with opposing open ends (i.e., a first open end 11 and a second open end 12). The force-transmitting member 40 is disposed in the internal space of the outer sleeve 20, and the cross-sectional area of ​​the opposing two ends (e.g., end 21 and end 22) of the force-transmitting member 40 is larger than the cross-sectional area of ​​the middle part 41. In some examples, the cross-sectional shape of the force-transmitting member 40 is I-shaped, cross-shaped, or H-shaped, and the steel plate of the middle part 41 is machined with several micro-holes 50.

[0024] In this embodiment, one end of one of the force transmission components 40 is connected to the end 21 of the outer sleeve 20 and the other end extends outside the first opening end 11 of the outer sleeve 20; the two ends of the force transmission component 40 pass through the sleeve sealing plate 30 and are fixed to the end 21 and end 22 of the outer sleeve 20. The force transmission component 40 is located in the internal space of the outer sleeve 20, and the internal space is filled with concrete material or other support structure.

[0025] Please refer to Figures 2 and 3. The length of the middle portion 41 of the force transmission member 40 is less than the length of the outer sleeve 20, so it can be completely accommodated within the internal space of the outer sleeve 20. The force transmission member 40 is mainly used to transmit external force to the middle portion 41. The force transmission member 40 fixes the sleeve sealing plate 30 to the end 21 and end 22 by welding. The force transmission member 40 can freely expand and contract and has a radial gap with the outer sleeve 20. That is to say, the force transmission member 40 does not directly fit against the inner wall of the outer sleeve 20, but has a small gap. This gap allows the force transmission member 40 to move axially or deform under the action of external force without affecting the axial force that the middle portion 41 can withstand. In one embodiment, the radial gap between the outer sleeve 20 and the force transmission member 40 is greater than or equal to 2 mm. The cross-sectional shape of the force transmission member 40 is I-shaped, cross-shaped, and H-shaped, and the steel plate of the middle portion 41 is machined with several small holes 50.

[0026] As can be seen from the above, when a building is subjected to external forces such as earthquakes or wind, causing vibration or structural deformation, the force transmission member 40 can transmit the deformation force to the middle part 41. On the other hand, since the cross-sectional area of ​​the middle part 41 of the force transmission member 40 is smaller than that of the end 21 and end 22, the middle part 41 will first enter the yield state. Through plastic deformation, energy is dissipated, enabling the building to achieve the effect of vibration reduction or earthquake resistance. The steel plate of the middle part 41 is processed with several small holes 50 to improve the toughness and elongation of the support device to meet the design requirements.

[0027] Please refer to Figures 4 and 5. Several tiny holes 50 are machined into the steel plate of the middle section 41. The hole shapes include: square 51, rhombus 52, circle 53, triangle 54, rectangle 55, rhombus 56, ellipse 57, and hexagon 58. The tiny holes 50 are arranged in the following ways: single hole 61, single row 62, multiple rows 63, and randomly scattered 64 on the steel plate of the middle section 41.

[0028] Although this invention has been disclosed with reference to preferred embodiments, it is not intended to limit this invention. Any person skilled in the art may make various modifications and alterations without departing from the spirit and scope of this invention. Therefore, the scope of protection of this invention shall be determined by the appended claims.

[0029] 1: Energy dissipation support device

[0030] 11: First open end

[0031] 12: Second opening end

[0032] 20: Outer tube

[0033] 21:End

[0034] 22:End

[0035] 30: Casing sealing plate

[0036] 40: Force transmission components

[0037] 41: Middle section

[0038] 50: Tiny holes

Claims

1. An energy dissipation support device that can increase resilience, comprising: An outer sleeve having a first open end and a second open end opposite to each other; A force-transmitting component, consisting of several or a single steel plate combined and disposed within the internal space of an outer sleeve, wherein the cross-sectional area of ​​the two opposite ends of the combined steel plate is larger than the cross-sectional area of ​​the middle portion; a pair of sleeve sealing plates, disposed on opposite sides of the outer sleeve, wherein the opening shape of one sleeve sealing plate is based on the cross-sectional shape of the end of the force-transmitting component, and the opening shape of the other sleeve sealing plate is based on the cross-sectional shape of the end of the other force-transmitting component, the sleeve sealing plates passing through both ends of the force-transmitting component and fixed to both sides of the outer sleeve; and several small holes disposed in the middle portion of the force-transmitting component.

2. An energy dissipation support device that can increase toughness as described in claim 1, wherein the outer tube has a cross-sectional shape of a rectangular square tube or a circular square tube.

3. The energy dissipation support device that can increase toughness as described in claim 1, wherein the sleeve end plate is fixed to the outer sleeve by welding.

4. An energy dissipation support device that can increase toughness as described in claim 1, wherein the cross-sectional shape of the force transmission member is I-shaped, cross-shaped, or H-shaped.

5. An energy dissipation support device that can increase toughness as described in claim 1, wherein the middle portion of the force transmission member is provided with several micro-holes.

6. An energy dissipation support device that can increase toughness as described in claim 5, wherein the shape of the micro-holes can be rectangular, circular, triangular, elliptical, rhomboid, pentagonal, hexagonal, or polygonal.

7. An energy dissipation support device that can increase toughness as described in claim 5, wherein the micro-holes may be provided in the flanges and webs of the composite steel plate.

8. An energy dissipation support device that can increase toughness as described in claim 5, wherein the arrangement of the micro-holes can be single row, double row, matrix, or random arrangement.

9. An energy dissipation support device for increasing toughness as described in claim 1, wherein the outer sleeve has a radial gap with the force transmission member.

10. An energy dissipation support device that can increase toughness as described in claim 9, wherein the radial clearance is greater than or equal to 2 mm.

Images