A steel-inorganic adhesive composite bamboo buckling restraint support device and construction method

Abstract

The present invention discloses a steel-inorganic adhesive composite bamboo buckling restraint support device and construction method, belonging to the field of building structure technology, comprising: a core member and a restraint member; the core member is longer than the restraint member, the core member comprises a straight steel plate, the straight steel plate is provided with a plurality of long strip-shaped holes, the two ends of the straight steel plate are provided with connecting end plates, and the two sides of the connecting end plates are provided with stiffening ribs; the restraint member comprises two inorganic adhesive composite bamboos, two side bearing plates and two pads, the side bearing plates are arranged on the inner sides of the two inorganic adhesive composite bamboos, the straight steel plate and the pad are arranged between the two side bearing plates and clamped by a first connecting member to form an integral restraint member, the pad is thicker than the straight steel plate, and a PVC film is provided between the two side bearing plates and the core member. The present invention solves the problem that buckling restraint supports have poor energy absorption effect and short fatigue life, which lead to the inability to achieve effective buffering.

Description

Technical Field

[0001] The invention belongs to the technical field of building structures, and particularly relates to a steel-inorganic adhesive composite bamboo buckling restraint support device and a construction method. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] Buckling-restrained braces are a type of building structural component that has both energy dissipation and load-bearing functions. They absorb energy through compression or tension deformation to improve the seismic performance of buildings. Under normal working conditions, buckling-restrained braces are only used as ordinary supports; when encountering an earthquake, they efficiently dissipate seismic energy through the elastic-plastic deformation of the metal core material, ensuring that the building structure remains elastic during small and moderate earthquakes, and avoid damage to the main structure through controllable deformation during large earthquakes. Traditional buckling-restrained brace structures are mainly in the form of outsourced concrete or steel tube concrete. This structure has significant limitations. The components have a large deadweight, which increases the structural load. They rely on on-site pouring and curing of concrete materials, which poses construction quality control problems. At the same time, their long production cycle leads to rising project costs.

[0004] There is also a steel structure buckling restraint support with a self-resetting function in the prior art. The self-resetting core plate is located in the restraint shell and extends through both ends of the restraint shell to the outside of the restraint shell. Diamond structures are provided at both ends of the self-resetting core plate, and diamond groove structures are provided at both ends of the restraint shell. A sliding displacement is reserved between the diamond structure and the diamond groove to achieve relative sliding between the self-resetting core plate and the restraint shell. However, it still has the following problems: on the one hand, its energy absorption effect is poor, and it is easy to break from the end of the self-resetting core plate; on the other hand, its self-resetting core plate has a short fatigue life and cannot achieve a buffering effect. Summary of the Invention

[0005] In response to the above problems, the present invention provides a steel-inorganic adhesive composite bamboo buckling restraint support device and a construction method, which solves the problem that the buckling restraint support device is heavy and difficult to construct, and solves the problem that the buckling restraint support has poor energy absorption effect and short fatigue life, resulting in the inability to achieve effective buffering.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0007] In the first aspect, the present invention provides a steel-inorganic adhesive composite bamboo flexural restraint support device, comprising: a core component and a restraint component; the core component is composed of a straight steel plate, a connecting end plate and stiffening ribs, the straight steel plate is provided with a plurality of long strip holes, the connecting end plates are provided at both ends of the straight steel plate, and the stiffening ribs are provided on both sides of the connecting end plate; the restraint component comprises two inorganic adhesive composite bamboos, two side bearing plates are provided on the inner sides of the two inorganic adhesive composite bamboos, two pads and the straight steel plate are provided between the two side bearing plates, the straight steel plate is provided between the two pads, the two inorganic adhesive composite bamboos are clamped by a first connecting piece, and a PVC film is provided between the two side bearing plates and the core component.

[0008] As a further implementation method, the thickness of the pad is greater than the thickness of the I-shaped steel plate, so that a weak axis gap of a set range is formed between the I-shaped steel plate and the side support plate, and the spacing between the two pads is greater than the width of the I-shaped steel plate, so that a strong axis gap of a set range is formed between the I-shaped steel plate and the pad, and the strong axis gap is greater than the weak axis gap.

[0009] As a further implementation method, a limit piece is set on the surface of the I-shaped steel plate, and a limit groove is set on the inner side of the inorganic glue composite bamboo. The position of the limit groove corresponds to the position of the limit piece, and the size of the limit groove is slightly larger than the size of the limit piece.

[0010] As a further implementation method, the I-shaped steel plate and the connecting end plate are welded, the stiffening ribs are welded to the I-shaped steel plate and form a cross fixed end plate with the connecting end plate, and the PVC film is adhered to the I-shaped steel plate.

[0011] As a further implementation method, the multiple elongated holes on the I-shaped steel plate have four arc corners, and the elongated holes are arranged in two rows along the width direction of the I-shaped steel plate. The width of the elongated holes is equal to the spacing between radially adjacent elongated holes, and the spacing between axially adjacent elongated holes is twice the length of the elongated holes.

[0012] As a further implementation method, a through rectangular groove is provided on the side of the inorganic glue composite bamboo of the restraining member close to the core member, and the end of the rectangular groove and the end of the side supporting plate are provided with a stiffening rib groove; the groove depth of the stiffening rib groove is greater than the size of the stiffening rib extending into the restraining member.

[0013] As a further implementation method, the inorganic glue composite bamboo, side support plate and pad are all provided with fastening holes and are fastened by the first connecting piece. Both ends of the inorganic glue composite bamboo are also provided with transverse reinforcement holes. The transverse reinforcement holes and the fastening holes are arranged perpendicular to each other in the horizontal direction. A second connecting piece is provided in the transverse reinforcement hole. The adjacent hole spacing of the fastening holes and the transverse reinforcement holes is 10 times the diameter of the first connecting piece and the second connecting piece.

[0014] As a further implementation, the limiting member is a circular steel cylinder or a square cylinder.

[0015] As a further implementation, the buckling restraint support is connected to the beam column through a cross-fixed end plate and a pin.

[0016] In a second aspect, the present invention further provides a construction method of a steel-inorganic adhesive composite bamboo buckling restraint support device, comprising the following steps:

[0017] S1. Drill holes in the I-shaped steel plate according to the design requirements, connect the connecting end plate to the I-shaped steel plate by welding, and perform flaw detection on the welds after welding. Weld the stiffening ribs to the I-shaped steel plate and the connecting end plate to form a cross-fixed end plate.

[0018] S2. Accurately insert the limiting pieces on the surface of the I-shaped steel plate into the limiting grooves of the inorganic adhesive composite bamboo to limit the displacement of the core component;

[0019] S3. Glue the PVC film to both sides of the straight steel plate, attach the side support plate, the backing plate, and the straight steel plate through two inorganic adhesive composite bamboos, and clamp the inorganic adhesive composite bamboos, the side support plate, and the backing plate through a first connecting piece; fill the space between the first connecting piece and the fastening hole with a colloid material;

[0020] S4. After the steel-bamboo buckling restrained brace is manufactured, it is transported to the construction site and the cross-fixed end plates are connected to the beams and columns using pins to complete the construction.

[0021] Compared with the prior art, the present invention has the following advantages and positive effects:

[0022] The present invention's I-shaped steel plate serves as the primary energy dissipation component. By providing elongated holes, the I-shaped steel plate's strength is weakened, creating a graded energy dissipation pattern. When subjected to tensile loads, the I-shaped steel plate weakens the core energy dissipation portion of the core component, achieving yielding at a specific point, thereby strengthening other portions and preventing fracture at the ends of the stiffening ribs supporting the core component. The elongated holes disperse stress, preventing premature failure at the ends of the core component and thereby increasing its fatigue life. Under earthquake action, the holes yield first, forming a controllable plastic deformation zone. The holes deform and dissipate energy, improving energy dissipation capacity. Subsequently, other locations yield, ultimately achieving yielding across the entire core unit energy dissipation zone, creating a graded energy dissipation pattern. The shape of the holes also disperses stress concentration, preventing premature failure at the ends of the core unit and increasing fatigue life. The holes also reduce the amount of steel used in the core section. Two side support plates are positioned inside two inorganic adhesive composite bamboo sheets. The I-shaped steel plate and two backing plates are positioned between the two side support plates. A first connector clamps the two inorganic adhesive composite bamboo sheets together to form a single, integrated restraining member.

[0023] The thickness of the pad of the present invention is greater than that of the I-shaped steel plate, so that a gap within a set range is formed between the I-shaped steel plate and the side support plate, avoiding premature contact between the I-shaped steel plate and the side support plate when under pressure, preventing the bearing capacity from being degraded when bearing a compressive load, and improving the plastic deformation and energy consumption capacity of the constraint support. At the same time, it is also necessary to avoid the gap being too large, which causes the I-shaped steel plate to deform too much when under pressure, resulting in premature damage and failure of the constraint component; a PVC film is provided between the two side support plates and the core component, which can reduce the friction between the I-shaped steel plate and the inorganic glue composite bamboo. The I-shaped steel plate and the constraint component are independent of each other, reducing the impact of friction on both, so that the entire device has a higher bearing capacity and good energy consumption performance, which can effectively improve the seismic performance of the building structure.

[0024] The size of the limiting groove of the present invention is larger than the diameter of the limiting piece. This design not only ensures that there is a certain relative sliding space between the core component and the constraint component to adapt to the deformation requirements of the core component when subjected to force, but also prevents excessive misalignment between the two, ensuring that the constraint component can always play an effective constraint role on the constraint yield section and the constraint non-yield section of the core component.

[0025] The core steel plate of the present invention is a straight-line steel plate, and stiffening ribs are welded on the upper and lower surfaces of the connecting ends on both sides. The stiffening ribs become smaller in size from the end to the inside, and adopt an arc transition to prevent stress concentration. When an earthquake occurs, the buckling restraint support connecting end always maintains an elastic working state. The restraining component needs to be grooved, and the groove depth is greater than the stiffening rib extending into the restraining component, to ensure that the stiffening rib and the inorganic glue composite bamboo can work normally during the compression process of the core steel plate, and to prevent the stiffening rib from being unable to expand and contract normally and damaging the restraining unit.

[0026] The inorganic glue composite bamboo, side bearing plates and pads of the present invention are all provided with fastening holes and are fastened by a first connecting piece. Transverse grain reinforcement holes are also provided at both ends of the inorganic glue composite bamboo. The transverse grain reinforcement holes and the fastening holes are arranged perpendicular to each other in the horizontal direction, which are used to improve the transverse grain tensile strength of the inorganic glue composite bamboo and prevent the inorganic glue composite bamboo from splitting prematurely, resulting in premature failure of the buckling restraint support device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0028] Figure 1 This is an exploded schematic diagram of the steel-bamboo buckling restraint support device of the present invention;

[0029] Figure 2 Schematic diagram of the steel-bamboo buckling restraint support device of the present invention;

[0030] Figure 3 This is a structural diagram of the core components of the present invention;

[0031] Figure 4 This is a structural diagram of the pad of the present invention;

[0032] Figure 5 It is a schematic diagram of the restraining member of the present invention;

[0033] Figure 6 This is a cross-sectional view of the constrained non-yielding section of the present invention;

[0034] Figure 7 is a cross-sectional view of the first connecting member of the present invention;

[0035] Figure 8 It is a cross-sectional view of the limiting member and the limiting groove of the present invention.

[0036] In the figure: 1. I-shaped steel plate; 2. Inorganic glue composite bamboo; 3. Connecting end plate; 4. Stiffening rib; 5. Side support plate; 6. Pad; 7. Fastening hole; 8. Second connecting piece; 9. First connecting piece; 10. Transverse reinforcement hole; 11. Rectangular groove; 12. Stiffening rib groove; 13. Long strip hole; 14. Limiting piece; 15. Limiting groove. DETAILED DESCRIPTION

[0037] It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those skilled in the art to which the present invention belongs.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise clearly indicated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "comprising" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or their combinations;

[0039] Example 1

[0040] This embodiment provides a steel-inorganic adhesive composite bamboo buckling restraint support device, such as Figures 1-8 As shown, it includes: a core component and a constraint component; the length of the core component is greater than the length of the constraint component, and the core component is composed of a straight steel plate 1, a connecting end plate 3 and a stiffening rib 4. The straight steel plate 1 is provided with a plurality of long strip holes 13, and the connecting end plates 3 are provided at both ends of the straight steel plate 1. The stiffening ribs 4 are provided on both sides of the connecting end plate 3; the straight steel plate 1 is the main energy-absorbing component, and the strength of the straight steel plate 1 is weakened by providing the long strip holes 13 to form graded energy absorption. When the straight steel plate is subjected to a tensile load, the core energy-absorbing part of the core component is weakened to achieve fixed-point yielding, so as to strengthen other parts and avoid fracture of the end of the stiffening rib 4 supported on the core component. The long strip holes 13 can disperse the stress to avoid premature damage to the end of the core component, thereby improving the deformation capacity of the core component.

[0041] The constraint member includes two inorganic glue composite bamboos 2, two side bearing plates 5 and two pads 6. The two side bearing plates 5 are arranged on the inner sides of the two inorganic glue composite bamboos 2, and the I-shaped steel plate 1 and the two pads 6 are arranged between the two side bearing plates 5. The I-shaped steel plate 1 is arranged between the two pads 6, and the two inorganic glue composite bamboos 2 are clamped by the first connecting member 9 to form an integral constraint member. The thickness of the pad 6 is greater than the thickness of the I-shaped steel plate 1, so that a weak axis gap of a set range is formed between the I-shaped steel plate 1 and the side bearing plate 5. The spacing between the two pads 6 is greater than the width of the I-shaped steel plate 1, so that a strong axis gap of a set range is formed between the I-shaped steel plate 1 and the pad 6. The strong axis gap is greater than the weak axis gap. By limiting the gap size, the controllable The strong axis expands before the weak axis, and the I-shaped steel plate 1 contacts the pad 6 first when under pressure, avoiding premature contact between the I-shaped steel plate 1 and the side bearing plate 5 when under pressure, which may cause the inorganic glue composite bamboo 2 to split, prevent the bearing capacity from degrading when bearing compressive loads, and improve the plastic deformation and energy consumption capacity of the constraint support. At the same time, it is also necessary to avoid excessive gaps, which may cause excessive deformation of the I-shaped steel plate 1 when under pressure, resulting in premature damage and failure of the constraint member; a PVC film is provided between the two side bearing plates 5 and the core member, which can reduce the friction between the I-shaped steel plate 1 and the inorganic glue composite bamboo 2. The I-shaped steel plate 1 and the constraint member are independent of each other, reducing the impact of friction on both, so that the entire device has a higher bearing capacity and good energy consumption performance, which can effectively improve the seismic performance of the building structure.

[0042] The portion of the core component exposed at both ends of the constraining component is an unconstrained non-yielding section, which is used to connect buildings and mainly plays the role of transferring loads during the force-bearing process. Since it does not bear any constraint, it can maintain an elastic state under normal use loads and minor earthquakes. The portion of the core component connected to the stiffening ribs 4 at both ends and located inside the constraining component is a constrained non-yielding section, which ensures the continuity of load transfer. Under the wrapping of the constraining component, it can limit its own deformation to a certain extent and maintain the overall stability of the structure. The portion of the I-shaped steel plate between the stiffening ribs 4 at both ends of the core component is a constrained yielding section, which is used for graded energy dissipation and fixed-point yielding to improve the energy dissipation capacity of the core component.

[0043] As a further implementation method, a limit piece 14 is provided on the surface of the I-shaped steel plate 1, and a limit groove 15 is provided on the inner side of the inorganic glue composite bamboo 2. The position of the limit groove 15 corresponds to the position of the limit piece 14, and the size of the limit groove 15 is slightly larger than the size of the limit piece 14, that is, there is a clearance fit between the limit groove 15 and the limit piece 14; the relative sliding between the core component and the constraint component is limited to adapt to the deformation requirements of the core component when subjected to force, prevent the two from being excessively misaligned, and ensure that the constraint component can always play an effective constraint role on the constraint yield section and the constraint non-yield section of the core component.

[0044] As a further implementation method, the I-shaped steel plate 1 and the connecting end plate 3 are welded, and the stiffening rib 4 is welded to the I-shaped steel plate 1 and forms a cross fixed end plate with the connecting end plate 3. The stiffening rib 4 becomes smaller from the end to the inside, and adopts an arc transition to prevent stress concentration. It is connected to the building through a pin to ensure that the load can be smoothly transferred to the I-shaped steel plate 1. The PVC film is adhered to the I-shaped steel plate 1 to reduce the friction between the I-shaped steel plate 1 and the side support plate 5.

[0045] As a further implementation method, the multiple elongated holes 13 on the I-shaped steel plate 1 have four arc corners to prevent stress concentration. The elongated holes 13 are arranged in two rows along the width direction of the I-shaped steel plate. The width of the elongated holes 13 is equal to the spacing between radially adjacent elongated holes 13, and the spacing between axially adjacent elongated holes 13 is twice the length of the elongated holes 13, so as to avoid the I-shaped steel plate having too dense openings, which may cause its strength to be severely weakened and the performance of the buckling restraint support device to be reduced.

[0046] As a further implementation, the side of the inorganic glue composite bamboo 2 of the restraining member, near the core member, is provided with a through rectangular groove 11. This rectangular groove 11 is cut to the dimensions of the core member. Stiffening rib grooves 12 are formed at the ends of the rectangular groove 11 and the side bearing plate in the shape of the stiffening ribs 4 at the ends of the core member. The groove depth of the stiffening rib grooves 12 is greater than the length of the stiffening ribs 4 extending into the restraining member. During an earthquake, the buckling restrained brace connection remains elastic. The restraining member is slotted to a depth approximately 50 mm greater than the length of the stiffening ribs 4 extending into the restraining member. This ensures that the stiffening ribs 4 and the inorganic glue composite bamboo 2 can function properly when the core steel plate is under compression, preventing the stiffening ribs 4 from failing to expand or contract normally and damaging the restraining unit.

[0047] As a further implementation method, the inorganic glue composite bamboo 2, the side support plate 5 and the pad 6 are all provided with fastening holes 7 and are fastened by the first connecting member 9. The two ends of the inorganic glue composite bamboo 2 are also provided with transverse reinforcement holes 10. The transverse reinforcement holes 10 and the fastening holes 7 are arranged perpendicular to each other in the horizontal direction, which are used to improve the transverse tensile strength of the inorganic glue composite bamboo 2 and prevent the inorganic glue composite bamboo 2 from splitting prematurely. A second connecting member 8 is provided in the transverse reinforcement hole 10. The first connecting member 9 and the second connecting member 8 have the same structure and model. The adjacent hole spacings of the fastening holes 7 and the transverse reinforcement holes 10 are both 10 times the diameter of the first connecting member 9 and the second connecting member 8.

[0048] As a further implementation, the limiting member 14 is a circular steel cylinder or a square cylinder, and cooperates with the limiting groove 15 to limit the relative movement between the core component and the restraining component.

[0049] As a further implementation method, the buckling restraint support is connected to the beams and columns through a cross-fixed end plate and a pin. The pin connection can be rotated to form a hinge, thereby better adapting to the deformation of the beams and columns under loads such as earthquakes, ensuring the coordinated operation between the support device and the building structure. In actual operation, when the building structure is subjected to external forces, the load is transmitted through the beams and columns to the connecting end plate 3 of the support device, and then from the connecting end plate 3 to the core component. Under the constraint of the restraint member, the core component deforms according to the design requirements. The restrained yield section weakens the strength of the I-shaped steel plate 1 by setting long strip holes 13, forming graded energy dissipation and achieving fixed-point yield, thereby reducing the response time of the building structure to the earthquake and protecting the safety of the building structure.

[0050] Example 2

[0051] This embodiment provides a construction method of a steel-inorganic adhesive composite bamboo buckling restraint support device, comprising the following steps:

[0052] S1. Drill holes in the I-shaped steel plate 1 according to the design requirements, and connect the connecting end plate 3 to the I-shaped steel plate 1 by welding. The weld quality should be ensured during welding, and the weld height and length should meet the design requirements. After welding, the weld should be polished and inspected by flaw detection. Weld the stiffening ribs 4 to the I-shaped steel plate 1 and the connecting end plate 3 to form a cross fixed end plate.

[0053] S2. Insert the limiting piece 14 on the surface of the I-shaped steel plate 1 into the limiting groove 15 of the inorganic adhesive composite bamboo 2 so as to accurately correspond to each other and limit the displacement of the core component;

[0054] S3. Glue the PVC film to both sides of the straight steel plate 1, attach the side support plate 5, the backing plate 6, and the straight steel plate 1 through two inorganic adhesive composite bamboos 2, and clamp the inorganic adhesive composite bamboos 2, the side support plate 5, and the backing plate 6 through the first connecting member 9; fill the space between the first connecting member 9 and the fastening hole 7 with a colloid material;

[0055] S4. After the steel-bamboo buckling restrained support is manufactured, it is transported to the construction site. The cross-fixed end plates are connected to the beams and columns using pins. During the connection process, the pins are ensured to be installed in place, the connection is firm, and the rotation is flexible. The installation position, verticality, and horizontality of the support device are checked and adjusted to complete the construction.

[0056] Although the above describes the specific embodiments of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without any creative work are still within the scope of protection of the present invention.

Claims

1. A steel-inorganic adhesive composite bamboo buckling restraint support device, characterized in that: include: A core component and a restraining component; the core component is composed of a straight steel plate, a connecting end plate and a stiffening rib, the straight steel plate is provided with a plurality of long strip holes, the connecting end plates are provided at both ends of the straight steel plate, and the stiffening ribs are provided on both sides of the connecting end plate; the restraining component includes two inorganic glue composite bamboos, two side bearing plates are provided on the inner sides of the two inorganic glue composite bamboos, two pads and the straight steel plate are provided between the two side bearing plates, the straight steel plate is provided between the two pads, the two inorganic glue composite bamboos are clamped by a first connecting piece, and a PVC film is provided between the two side bearing plates and the core component; The thickness of the pad is greater than that of the straight steel plate, so that a weak axis gap within a set range is formed between the straight steel plate and the side bearing plate; the spacing between the two pads is greater than the width of the straight steel plate, so that a strong axis gap within a set range is formed between the straight steel plate and the pad, and the strong axis gap is greater than the weak axis gap; A limiting piece is provided on the surface of the I-shaped steel plate, and a limiting groove is provided on the inner side of the inorganic glue composite bamboo. The position of the limiting groove corresponds to the position of the limiting piece, and the size of the limiting groove is slightly larger than the size of the limiting piece.

2. The steel-inorganic adhesive composite bamboo buckling restraint support device according to claim 1, characterized in that: The reinforcing rib is welded to the I-shaped steel plate and forms a cross fixed end plate with the connecting end plate, and the PVC film is adhered to the I-shaped steel plate.

3. The steel-inorganic adhesive composite bamboo buckling restraint support device according to claim 2, characterized in that: The multiple elongated holes on the I-shaped steel plate have four arc corners, and the elongated holes are arranged in two rows along the width direction of the I-shaped steel plate. The width of the elongated holes is equal to the spacing between radially adjacent elongated holes, and the spacing between axially adjacent elongated holes is twice the length of the elongated holes.

4. The steel-inorganic adhesive composite bamboo buckling restraint support device according to claim 3, characterized in that: A through rectangular groove is provided on the side of the inorganic glue composite bamboo of the restraining member close to the core member, and stiffening rib grooves are provided at the ends of the rectangular groove and the ends of the side bearing plate; the groove depth of the stiffening rib groove is greater than the dimension of the stiffening rib extending into the restraining member.

5. The steel-inorganic adhesive composite bamboo buckling restraint support device according to claim 4, characterized in that: The inorganic glue composite bamboo, side support plate and pad are all provided with fastening holes and are fastened by the first connecting piece. Both ends of the inorganic glue composite bamboo are also provided with transverse reinforcement holes. The transverse reinforcement holes and the fastening holes are arranged perpendicular to each other in the horizontal direction. A second connecting piece is provided in the transverse reinforcement hole. The adjacent hole spacings of the fastening holes and the transverse reinforcement holes are both 10 times the diameters of the first connecting piece and the second connecting piece.

6. The steel-inorganic adhesive composite bamboo buckling restraint support device according to claim 4, characterized in that: The limiting member is a circular steel column or a square column.

7. The steel-inorganic adhesive composite bamboo buckling restraint support device according to claim 4, characterized in that: The buckling restraint support is connected to the beam column through a cross-fixed end plate and a pin shaft.

8. A construction method for a steel-inorganic adhesive composite bamboo buckling restrained support device according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1. Drill holes in the I-shaped steel plate according to the design requirements, connect the connecting end plate to the I-shaped steel plate by welding, and perform flaw detection on the welds after welding. Weld the stiffening ribs to the I-shaped steel plate and the connecting end plate to form a cross-fixed end plate. S2. Accurately insert the limiting pieces on the surface of the I-shaped steel plate into the limiting grooves of the inorganic adhesive composite bamboo to limit the displacement of the core component; S3. Glue the PVC film to both sides of the straight steel plate, attach the side support plate, the backing plate, and the straight steel plate through two inorganic adhesive composite bamboos, and clamp the inorganic adhesive composite bamboos, the side support plate, and the backing plate through a first connecting piece; fill the space between the first connecting piece and the fastening hole with a colloid material; S4. After the steel-bamboo buckling restrained brace is manufactured, it is transported to the construction site and the cross-fixed end plates are connected to the beams and columns using pins to complete the construction.

Images