CN115341658A - Toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node - Google Patents
Toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node Download PDFInfo
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- CN115341658A CN115341658A CN202211218795.4A CN202211218795A CN115341658A CN 115341658 A CN115341658 A CN 115341658A CN 202211218795 A CN202211218795 A CN 202211218795A CN 115341658 A CN115341658 A CN 115341658A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention relates to the field of civil engineering and mechanical engineering, and discloses a toughness assembly type multi-element energy-consumption limiting anti-collapse beam-column node which comprises a prefabricated core section, a prefabricated column section and a prefabricated beam section; the prefabricated core section takes a square steel pipe with high-strength concrete poured inside and a stamped convex end plate at the end part as a main body, an outer vertical surface is provided with an annular plate and stiffening ribs, and two lateral surfaces are respectively and symmetrically provided with a pincer-type lug plate, a double-U-shaped plate and a T-shaped stiffening clamping groove; the prefabricated column section consists of a square steel tube concrete column head and a common column section; the outer side of the end plate of the precast beam section is provided with a common lug plate, a hole-expanding U-shaped plate and a T-shaped stiffening clamping groove; the prefabricated column section is connected with the prefabricated core section through a prestressed high-strength inhaul cable, a shape memory alloy rod and a sandwich weakened steel plate energy dissipater; the precast beam sections are connected through ear plate pin shafts and are connected through high-strength bolts among U-shaped plates and sandwich weakened steel plate energy dissipaters; arc spout locating part bottom and precast beam section tip bolted connection with the function of falling down is prevented in spacing, and the tip inlays in prefabricated core section jaw formula otic placode portion. The prefabricated sections and the connection areas are clear and definite, the energy consumption mode is diversified, the energy consumption components are unitized, the mounting and dismounting are convenient, the bearing-energy consumption cooperative partitioning work of the toughness assembly type structure is realized, the earthquake resistance and collapse prevention performance of the structure is improved, and the toughness assembly type frame structure can be formed.
Description
Technical Field
The invention relates to the field of civil engineering and mechanical engineering, and discloses a toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node.
Background
Based on the comprehensive development of the toughness urban and rural areas, the building earthquake-resistant toughness and the assembly type structure, the toughness assembly type structure is formed, the building modularization is realized, the construction and the disassembly are easy, the energy consumption and the bearing are dual-functional, the repair is easy after the earthquake damage, the structural function is quickly recovered, the life and property loss is reduced, and the green low-carbon of the whole period of the building is realized. The assembled frame column and beam column nodes are used as key vertical bearing and lateral force resisting structural members of the frame structure, a prestress technology and a shape memory alloy material are fused to form a toughness energy consumption bearing connection structure, a toughness assembled structure system is constructed by using an off-site prefabricating and on-site assembling mode, and the anti-seismic toughness of the frame structure can be effectively improved.
The connection mode of beam column nodes is an important factor influencing the anti-seismic performance of a frame structure, the existing beam column nodes mainly adopt welding and bolt connection, and have the characteristics of detachability, restorability and the like, but energy consumption parts are huge and are complicated to disassemble. The beam-column connection based on the mechanical hinge has a single energy consumption form, no protective measures are taken for nodes, once an energy consumption part fails, the mechanical hinge can freely rotate to bring the risk of structural collapse, each assembly partition is undefined, certain restrictions are brought to assembly development, a toughness assembly type structure system is difficult to construct, and the connection is not applicable any more.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide a toughness assembly type multi-element energy-consumption limiting anti-collapse beam-column joint, which is based on the construction concepts of field prefabrication and field assembly, is clear and definite in each prefabricated section and connection area, combines column-column splicing and beam-column connection, and forms a toughness energy-consumption bearing connection structure by using a prestress technology, a shape memory alloy material and the like. The energy consumption mode is diversified, the energy consumption components are unitized, the replacement is convenient, the bearing-energy consumption cooperative partitioning work of the toughness assembly type structure is realized, the limiting device is added, the anti-seismic and anti-collapse performance of the structure is improved, and the toughness assembly type frame structure can be formed.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows.
A toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node comprises a prefabricated core section, prefabricated column sections and prefabricated beam sections, and is characterized in that the prefabricated column sections and the prefabricated beam sections are respectively positioned on two sides of the prefabricated core section in a vertical and horizontal symmetrical mode, and the node splicing is completed; high-strength concrete is poured inside the prefabricated core section square steel tube, two sides of the end part are respectively provided with a stamping convex end plate, and the outer vertical surface is provided with an annular plate, a pincer-type ear plate, a double-U-shaped plate and a T-shaped stiffening clamping groove; the prefabricated column section consists of a prefabricated column head and a common column section, two ends of a prestressed high-strength cable respectively penetrate through the annular plate and the prefabricated column head base plate to be connected in a post-tensioning mode, two ends of a shape memory alloy rod respectively penetrate through the annular plate and the prefabricated column head base plate to be connected through bolts, and sandwich weakening steel plate energy dissipaters are symmetrically arranged on the outer sides of the periphery of the splicing part of the prefabricated core section and the prefabricated column section; the end part of the precast beam section is provided with a common lug plate, a T-shaped stiffening clamping groove and a hole-enlarging U-shaped plate, the double U-shaped plates and the hole-enlarging U-shaped plates are connected by high-strength bolts, and the sandwich weakened steel plate energy dissipater is arranged in the T-shaped stiffening clamping grooves on the two sides and connected by bolts.
Furthermore, the annular plate on reserve the hole and be used for prestressing force high strength cable and the connection of shape memory alloy pole, its four corners carries out the fillet and handles, at its periphery symmetrical arrangement stiffening rib and be connected with square steel pipe, the other side symmetrical arrangement division bolt hole square steel plate and be connected with square steel pipe.
Further, the inside high-strength concrete that is of prefabricated column cap, the tip sets up the punching press evagination end plate the same with prefabricated core section main part tip, and the direction is unanimous, counterpoint and form the shear key when prefabricated column section splices with prefabricated core section, prefabricated column cap bottom is the solid steel sheet the same with the annular slab size and shape, open the bar hole in bottom plate department, insert the overhanging edge of a wing of ordinary column section, the overhanging edge of a wing symmetry of ordinary column section of perpendicular to sets up the end plate and is connected with overhanging edge of a wing and bottom plate, the inside concreting that excels in, the square steel plate of bolt hole is opened to bottom plate symmetrical arrangement all around to set up the strong axle direction of stiffening rib and ordinary column section and be connected.
Furthermore, the prestress high-strength inhaul cable is symmetrically arranged along the direction of a weak axis of the common column section, the shape memory alloy rods are symmetrically arranged along the direction of a strong axis of the common column section, and the column section connecting area provides resetting and energy consumption capabilities.
Furthermore, the hole-enlarging U-shaped plate is arranged on the inner side of the double U-shaped plate and is connected with the friction pads through high-strength bolts, and friction energy consumption is provided for a beam section connecting area.
Furthermore, the two sides of the sandwich weakened steel plate energy dissipater are weakened mild steel, stiffening bars are arranged on the inner sides of the sandwich weakened steel plate energy dissipater to form lattice clamping grooves, and energy-absorbing material foamed aluminum blocks are filled in the lattice clamping grooves; the sandwich weakening steel plate energy dissipater is reasonably designed according to the lengths of the prefabricated column section, the prefabricated beam section and the prefabricated core section connecting area, the periphery of the column section connecting area is symmetrically arranged, two ends of the sandwich weakening steel plate energy dissipater are connected with square steel plate bolts, the beam section connecting area is vertically symmetrically arranged, two ends of the sandwich weakening steel plate energy dissipater are connected with the T-shaped stiffening clamping groove through bolts, and metal yield energy dissipation is provided for the column section and the beam section connecting area.
Further, arc spout locating part bottom and precast beam section end plate bolted connection, the tip inlays in prefabricated core section jaw formula otic placode pincers portion.
Compared with the prior art, the invention has the following beneficial effects.
(1) The prefabricated sections and the connecting areas are clear and definite, off-site prefabrication can be realized, welding-seam-free full-bolt in-site assembly is realized, hidden engineering is reduced, bearing and energy-consuming partition cooperative work is realized, beam-column joint connection is considered, column-column splicing mainly based on prefabricated core sections is formed, a toughness and toughness assembly type structure system is favorably constructed, the earthquake resistance and toughness of a building structure are realized, and long-term development of an assembly type structure is facilitated.
(2) According to the invention, the prestress steel strand and the shape memory alloy rod are arranged in the column section connecting area, so that the structure resetting and energy consumption capabilities are improved.
(3) According to the energy dissipation device, the lattice component is formed by two layers of weakened mild steel and stiffening bars, the energy absorption material foamed aluminum blocks are filled inside the lattice component to form the sandwich weakened steel plate energy dissipation device, and the energy dissipation device is arranged at the connecting area of the column section and the beam section, so that energy dissipation components have consistency, and the energy dissipation device has a unitized characteristic and is convenient to replace.
(4) The invention provides friction energy dissipation through the high-strength bolt connection of the double U-shaped plates and the chambered U-shaped plates, and forms multiple energy dissipation in the whole structural connection together with the shape memory alloy rod and the sandwich weakened steel plate energy dissipater.
(5) The arc-shaped sliding groove limiting piece is arranged, so that the risk of collapse caused by failure of the energy consumption piece due to the fact that the beam column node is connected based on the mechanical hinge can be effectively prevented.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a detailed view of a prefabricated core segment.
Fig. 3 is a detailed view of a prefabricated column section.
Fig. 4 is a detailed view of a precast beam segment.
Fig. 5 is an exploded view of the connection of the prefabricated column section and the prefabricated core section.
Fig. 6 is an exploded view of the connection of the precast beam segment and the precast core segment.
FIG. 7 is a detailed view of the energy dissipater with sandwich weakened steel plates.
Fig. 8 is a detail view of the connection of the double U-shaped plate and the U-shaped reaming plate.
Fig. 9 is an arc chute limiting member and a limiting schematic diagram thereof.
In the figure: 1. prefabricating a core section; 2. prefabricating a column section; 3. prefabricating a beam section; 4. a square steel pipe; 5. high-strength concrete; 6. stamping a convex end plate; 7. an annular plate; 8. a pincer-type ear plate; 9. a double U-shaped plate; 10. t-shaped stiffening clamping grooves; 11. prefabricating column heads; 12. a common column section; 13. a prestressed high-strength stay cable; 14. a shape memory alloy rod; 15. a sandwich weakening steel plate energy dissipater; 16 common ear plates; 17. reaming the U-shaped plate; 18. a square steel plate; 19. a high-strength bolt; 20. a stiffening rib; 21. a pin shaft; 22. a rubbing pad; 23. weakening mild steel; 24. a stiffening bar; 25. a foamed aluminum block; 26. arc spout locating part.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the toughness assembly type multi-element energy-consumption limiting anti-collapse beam-column node according to the embodiment of the invention comprises a prefabricated core section 1, prefabricated column sections 2 and prefabricated beam sections 3, the prefabricated sections and the connection areas are definite in partition, and the prefabricated column sections (2) and the prefabricated beam sections (3) are respectively positioned on two sides of the prefabricated core section (1) in an up-down and left-right symmetrical manner.
As shown in fig. 2, the main body of the prefabricated core section is a square steel tube 4 with high-strength concrete 5 poured inside, stamping convex end plates 6 arranged on two sides of the end part, two annular plates 7 arranged on the outer side, and square steel plates 18 with bolt holes and an additional rib 20 symmetrically arranged on the periphery; the convex parts of the convex end plates face downwards in the same direction, and the column sections can be used for alignment and forming shear keys when being connected; and the outer vertical surfaces of the main bodies of the prefabricated core sections are symmetrically provided with pincer-type ear plates 8, double U-shaped plates 9 and T-shaped stiffening clamping grooves 10 for reliable connection of the prefabricated beam sections 3.
As shown in fig. 3, the end of a prefabricated column cap 11 in a prefabricated column section 3 is provided with a stamping convex end plate 6 which is the same as that in a prefabricated core area and is used for alignment and shear key formation when the column section is connected, the bottom of the prefabricated column cap is a solid steel plate with the same size and shape as that of an annular plate 7, a strip-shaped hole is formed in a bottom plate, an outward flange of a common column section 12 is inserted, end plates are symmetrically arranged perpendicular to the outward flange of the common column section 12 and are connected with the outward flange and the bottom plate, high-strength concrete 5 is poured inside the prefabricated column cap, and square steel plates 18 with bolt holes are symmetrically arranged around the bottom plate; the stiffening ribs 20 are symmetrically arranged on both sides of the common column section 12 along the strong axis direction.
As shown in figure 4, the end of the precast beam segment is provided with a common lug plate 16, a hole-enlarging U-shaped plate 17 and a T-shaped stiffening clamping groove 10 which is the same as that in the precast core segment 1 and is used for reliably connecting with the precast core segment 1.
As shown in fig. 5 and 6, which are respectively an explosion schematic diagram of a column section and a beam section connecting area, in the column section connecting area, prestressed high-strength guy cables (13) are symmetrically arranged along the direction of a weak axis of a common column section (12), shape memory alloy rods (14) are symmetrically arranged along the direction of a strong axis of the common column section (12), and sandwich weakening steel plate energy dissipators (15) are arranged among square steel plates (18), so that the column section connection has better resetting and energy dissipation capabilities; in a beam section connecting area, after a common lug plate 16 and a pincer-type lug plate 8 are aligned and connected through a pin shaft, a double-U-shaped plate 9 and a hole-expanding U-shaped plate 17 are internally provided with friction gaskets 22 and then connected through high-strength bolts 19, and then a sandwich weakening steel plate energy dissipater 15 is arranged in a T-shaped stiffening clamping groove 10 and connected through bolts to complete column section and beam section splicing.
As shown in figure 7, the weakening mild steel (23) is arranged on two sides of the sandwich weakening steel plate damper (15), a stiffening bar (24) is arranged on the inner side to form lattice clamping grooves, and a foamed aluminum block (25) is filled in each lattice.
As shown in fig. 9, the bottom of the arc chute limiting part (26) is connected with the end plate bolt of the prefabricated beam section, the end part is embedded in the jaw-type ear plate (8) of the prefabricated core section, when the beam section rotates to reach a preset limiting angle, the middle steel block of the chute is contacted with the end head and the tail part of the jaw-type ear plate respectively to achieve the purpose of limiting and preventing collapse, and the length of the chute is changed to meet different limiting requirements.
Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.
Claims (10)
1. A toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node comprises a prefabricated core section (1), a prefabricated column section (2) and a prefabricated beam section (3), and is characterized in that the prefabricated column section (2) and the prefabricated beam section (3) are respectively positioned on two sides of the prefabricated core section (1) in an up-down and left-right symmetrical mode; the main body of the prefabricated core section (1) is internally poured with high-strength concrete (5), two sides of the end part are respectively provided with a square steel pipe (4) for stamping a convex end plate (6), and the outer vertical surface of the main body is provided with an annular plate (7), a jaw-type ear plate (8), a double-U-shaped plate (9) and a T-shaped stiffening clamping groove (10); the prefabricated column section (2) is composed of a prefabricated column head (11) and a common column section (12), two ends of a prestressed high-strength stay cable (13) respectively penetrate through an annular plate (7) and a bottom plate of the prefabricated column head (11) to be connected in a post-tensioning mode, two ends of a shape memory alloy rod (14) respectively penetrate through the annular plate (7) and the bottom plate of the prefabricated column head (11) to be connected through bolts, and sandwich weakening steel plate energy dissipators (15) are symmetrically arranged on the outer side of the periphery of the joint of the prefabricated core section (1) and the prefabricated column section (2); the end part of the precast beam section (3) is provided with a common lug plate (16), a T-shaped stiffening clamping groove (10) and a hole-expanding U-shaped plate (17), a double-U-shaped plate (9) and the hole-expanding U-shaped plate (17) are connected by utilizing a high-strength bolt (19), and a sandwich weakening steel plate energy dissipater (15) is arranged in the T-shaped stiffening clamping grooves (10) at the two sides for bolt connection.
2. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein holes are reserved in the annular plate (7) and used for connecting the prestressed high-strength stay cable (13) and the shape memory alloy rod (14), fillets are processed at four corners of the annular plate, stiffening ribs (20) are symmetrically arranged on the periphery of the annular plate and connected with the square steel pipe (4), and square steel plates (18) with bolt holes are symmetrically arranged on the other side of the annular plate and connected with the square steel pipe (4).
3. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein the end of the prefabricated column head (11) is provided with a stamping outer convex end plate (6) which is the same as the end of the main body of the prefabricated core section (1), the direction of the stamping outer convex end plate is consistent, when the prefabricated column section (2) is connected with the prefabricated core section (1), alignment can be carried out, a shear key can be formed, the bottom plate of the prefabricated column head (11) is a solid steel plate which is the same as the annular plate (7) in size and shape, a strip-shaped hole is formed in the position of the bottom plate and used for being inserted into an outer convex flange of the common column section (12), the end plates are symmetrically arranged perpendicular to the outer convex flange of the common column section (12) and connected with the outer convex flange and the bottom plate, high-strength concrete (5) is arranged inside, square steel plates (18) with bolt holes are symmetrically arranged around the bottom plate, and stiffening ribs (20) are arranged and connected with the common column section (12) in the direction of a strong shaft.
4. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam-column node as claimed in claim 1, wherein the pre-stressed high-strength inhaul cables (13) are symmetrically arranged along the weak axis direction of the common column section (12).
5. The toughness assembly type multi-component energy-consumption limiting anti-collapse beam-column joint as claimed in claim 1, wherein the shape memory alloy rods (14) are symmetrically arranged along the direction of the strong axis of the common column section (12).
6. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein the outer side of the end of the precast beam section (3) is provided with a stiffening rib (20), and the common lug plate (16) and the pincer-type lug plate (8) are connected by means of a pin shaft (21).
7. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein the U-shaped hole-enlarging plate (17) is placed on the inner side of the double U-shaped plate (9), friction gaskets (22) are arranged on the U-shaped hole-enlarging plate, and then the U-shaped hole-enlarging plate and the double U-shaped hole-enlarging plate are connected through high-strength bolts (19).
8. The toughness assembly type multi-component energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein the sandwich weakened steel plate energy dissipater (15) is provided with weakened mild steel (23) at both sides and stiffening bars (24) at the inner side to form lattice clamping grooves, and the lattice clamping grooves are filled with aluminum foam blocks (25).
9. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein the sandwich weakened steel plate energy dissipaters (15) are reasonably designed according to the lengths of the connection areas of the prefabricated column sections (2) and the prefabricated beam sections (3) and the prefabricated core sections (1), are symmetrically arranged around the column section connection area, are connected with square steel plates (18) at two ends through bolts, are symmetrically arranged up and down in the beam section connection area, and are connected with the T-shaped stiffening clamping grooves (10) through bolts at two ends.
10. The toughness assembly type multi-element energy-consumption limiting anti-collapse beam column node as claimed in claim 1, wherein the bottom of the arc chute limiting part (26) is connected with the inner side of the end part of the precast beam section through a bolt, and the arc chute is embedded in the jaw part of the jaw-type ear plate (8) of the precast core section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218795.4A CN115341658B (en) | 2022-10-07 | 2022-10-07 | Toughness assembly type multi-element energy consumption limiting collapse-preventing beam column node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218795.4A CN115341658B (en) | 2022-10-07 | 2022-10-07 | Toughness assembly type multi-element energy consumption limiting collapse-preventing beam column node |
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| Publication Number | Publication Date |
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| CN115341658A true CN115341658A (en) | 2022-11-15 |
| CN115341658B CN115341658B (en) | 2023-05-16 |
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| CN202211218795.4A Active CN115341658B (en) | 2022-10-07 | 2022-10-07 | Toughness assembly type multi-element energy consumption limiting collapse-preventing beam column node |
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| CN103255841A (en) * | 2013-05-31 | 2013-08-21 | 江苏科技大学 | Assembly-type concrete column-steel beam overhanging end plate type node connecting device |
| WO2019056715A1 (en) * | 2017-09-20 | 2019-03-28 | 中国建筑股份有限公司 | Mixed-connection post-tensioned prestressed assembly concrete frame architecture and construction method therefor |
| CN112049243A (en) * | 2020-10-19 | 2020-12-08 | 兰州理工大学 | Self-resetting steel frame beam-column connecting joint with transition connecting piece and construction method |
| CN114086807A (en) * | 2021-11-26 | 2022-02-25 | 福建工程学院 | Assembled concrete frame structure system with replaceable beam column connecting nodes |
-
2022
- 2022-10-07 CN CN202211218795.4A patent/CN115341658B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817413A (en) * | 2012-07-05 | 2012-12-12 | 北京工业大学 | Steel frame precast prestressed beam column joint with post-earthquake recovering function |
| CN103255841A (en) * | 2013-05-31 | 2013-08-21 | 江苏科技大学 | Assembly-type concrete column-steel beam overhanging end plate type node connecting device |
| WO2019056715A1 (en) * | 2017-09-20 | 2019-03-28 | 中国建筑股份有限公司 | Mixed-connection post-tensioned prestressed assembly concrete frame architecture and construction method therefor |
| CN112049243A (en) * | 2020-10-19 | 2020-12-08 | 兰州理工大学 | Self-resetting steel frame beam-column connecting joint with transition connecting piece and construction method |
| CN114086807A (en) * | 2021-11-26 | 2022-02-25 | 福建工程学院 | Assembled concrete frame structure system with replaceable beam column connecting nodes |
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