CN115341658B - Toughness assembly type multi-element energy consumption limiting collapse-preventing beam column node - Google Patents
Toughness assembly type multi-element energy consumption limiting collapse-preventing beam column node Download PDFInfo
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- CN115341658B CN115341658B CN202211218795.4A CN202211218795A CN115341658B CN 115341658 B CN115341658 B CN 115341658B CN 202211218795 A CN202211218795 A CN 202211218795A CN 115341658 B CN115341658 B CN 115341658B
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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
Abstract
The invention relates to the field of civil engineering and mechanical engineering, and discloses a tough assembled type multi-element energy consumption limiting collapse-preventing beam column node which comprises a prefabricated core section, a prefabricated column section and a prefabricated beam section; the prefabricated core section takes high-strength concrete poured in the prefabricated core section and a square steel pipe with a stamping convex end plate at the end part as a main body, an annular plate is arranged on the outer vertical surface, stiffening ribs are arranged on the outer vertical surface, and a clamp type ear plate, a double U-shaped plate and a T-shaped stiffening clamping groove are symmetrically arranged on the two side surfaces respectively; the prefabricated column section consists of a square steel pipe concrete column head and a common column section; the outer side of the precast beam section end plate is provided with a common lug plate, a reaming U-shaped plate and a T-shaped stiffening clamping groove; the prefabricated column section is connected with the prefabricated core section through a prestress high-strength inhaul cable, a shape memory alloy rod and a sandwich weakening steel plate energy dissipation device; the precast beams Duan Tongguo are connected through lug plate pins and connected through high-strength bolts among U-shaped plates and the sandwich weakening steel plate energy dissipater; the bottom of the arc chute limiting piece with the limiting collapse preventing function is connected with the end part of the precast beam section through bolts, and the end part of the arc chute limiting piece is embedded in the jaw-type ear plate jaw part of the precast core section. The prefabricated sections and the connecting areas are clear and definite, the energy consumption mode is multiple, the energy consumption components are unitized, the assembly and disassembly are convenient, the load-energy consumption collaborative partition work of the toughness assembly type structure is realized, the anti-seismic and anti-collapse performances of the structure are 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 assembled type multi-element energy-consumption limiting collapse-preventing beam column node.
Background
Based on the comprehensive development of toughness urban and rural, building anti-seismic toughness and assembly type structures, a toughness assembly type structure is formed, the building is modularized, the construction and disassembly are easy, the energy consumption bearing dual-function is realized, the repair is easy after the earthquake damage, the structure function is quickly recovered, the life and property loss is reduced, and the full-cycle green low carbonization of the building is realized. The assembled frame column and beam column joints are used as key vertical bearing and side force resisting structural members of the frame structure, a pre-stress technology and a shape memory alloy material are fused to form a flexible energy consumption bearing connection structure, and a flexible assembled structural system is constructed in an off-site prefabrication and on-site assembly mode, so that the seismic toughness of the frame structure can be effectively improved.
The connection mode of beam column node is the important factor that influences frame construction shock resistance, and current beam column node is mainly welded, bolted connection, has characteristics such as detachable, recoverable, but the power consumption piece is huge and dismantle complicacy. The beam column connection based on the mechanical hinge has single energy consumption form, no protection measures are taken for the node, once the energy consumption piece fails, the mechanical hinge can freely rotate to bring structural collapse risk, each assembly partition is ambiguous, certain restriction is brought to assembly development, a tough assembly type structural 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 collapse-preventing beam column node, which is based on the construction concepts of on-site prefabrication and on-site assembly, has clear and definite prefabrication sections and connection areas, and combines column-column splicing and beam column connection, and forms a toughness energy consumption bearing connection structure by using a prestress technology, shape memory alloy materials and the like. The energy consumption mode is multiple, the energy consumption components are unitized, the replacement is convenient, the flexible assembled structure bearing-energy consumption collaborative partition work is realized, the limiting device is added, the anti-seismic and anti-collapse performances of the structure are improved, and the flexible assembled frame structure can be formed.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows.
The toughness assembly type multi-element energy consumption limiting collapse-preventing beam column joint comprises a prefabricated core section, a prefabricated column section and a prefabricated beam section, and is characterized in that the prefabricated column section and the prefabricated beam section are respectively and symmetrically positioned at two sides of the prefabricated core section in an up-down and left-right mode, and joint positions are spliced; casting high-strength concrete inside the prefabricated core section square steel pipe, respectively arranging stamping outer convex end plates on two sides of the end part, and arranging annular plates, clamp-type ear plates, double U-shaped plates and T-shaped stiffening clamping grooves on the outer vertical surface; the prefabricated column section consists of a prefabricated column head and a common column section, two ends of a prestress high-strength guy cable respectively penetrate through an annular plate and a prefabricated column head bottom plate and are in tensioning connection, two ends of a shape memory alloy rod respectively penetrate through bolts at the annular plate and the prefabricated column head bottom plate, and sandwich weakening steel plate energy dissipaters are symmetrically arranged at the outer sides of the periphery of a spliced part of the prefabricated core section and the prefabricated column section; the prefabricated beam section tip sets up ordinary otic placode, T type stiffening draw-in groove and reaming U template, utilizes high strength bolt to connect two U templates and reaming U template, and the double-deck steel sheet energy consumption ware of weakening is arranged in both sides T type stiffening draw-in groove and uses bolted connection.
Further, the reserved holes on the annular plate are used for connecting the prestress high-strength inhaul cable and the shape memory alloy rod, four corners of the annular plate are subjected to round corner treatment, stiffening ribs are symmetrically arranged on the periphery of the annular plate and are connected with the square steel pipe, and square steel plates with bolt holes are symmetrically arranged on the other side of the annular plate and are connected with the square steel pipe.
Further, the inside high-strength concrete that is of prefabricated column cap, the tip set up with the punching press evagination end plate of prefabricated core section main part tip the same, and the direction is unanimous, counterpoint and form the shear key when prefabricated column section and prefabricated core section concatenation, prefabricated column cap bottom is the solid steel sheet the same with annular slab size shape, open the bar hole in bottom plate department, insert the overhanging edge of ordinary column section, perpendicular to the overhanging edge of ordinary column section symmetry sets up the end plate and is connected with overhanging edge and bottom plate, pour high-strength concrete inside, the square steel board of bolt hole is opened to bottom plate symmetry all around to set up the stiffening rib and be connected with the strong axial direction of ordinary column section.
Furthermore, the prestress high-strength inhaul cable is symmetrically arranged along the weak axis direction of the common column section, the shape memory alloy rods are symmetrically arranged along the strong axis direction of the common column section, and the reset and energy consumption capability is provided at the column section connecting area.
Furthermore, the reaming U-shaped plates are arranged on the inner sides of the double U-shaped plates and are connected by high-strength bolts after friction gaskets are arranged, and friction energy consumption is provided in a beam section connecting area.
Further, the two sides of the sandwich weakening steel plate energy dissipation device are provided with weakening mild steel, stiffening strips are arranged on the inner side to form lattice clamping grooves, and the inner parts of the lattice clamping grooves are filled with energy absorption material foam aluminum blocks; the sandwich weakening steel plate energy dissipater is reasonably designed according to the length of the connecting area of the prefabricated column section and the prefabricated beam section and the prefabricated core section, is symmetrically arranged around the connecting area of the column section, two ends of the sandwich weakening steel plate energy dissipater are connected with square steel plates through bolts, the connecting area of the beam section is symmetrically arranged up and down, two ends of the sandwich weakening steel plate energy dissipater are connected with T-shaped stiffening clamping grooves through bolts, and metal yield energy dissipation is provided in the connecting area of the column section and the beam section.
Further, the bottom of the arc chute limiting piece is connected with the precast beam Duan Duanban through bolts, and the end part of the arc chute limiting piece is embedded in the jaw-type ear plate jaw part of the precast core section.
Compared with the prior art, the invention has the following beneficial effects.
(1) The invention has clear and definite prefabricated sections and connecting areas, can realize the on-site outer prefabrication, avoids the welding line full-bolt on-site assembly, reduces hidden engineering, realizes the cooperative work of bearing and energy consumption partitions, not only considers the beam-column joint connection, but also forms the column-column splicing mainly comprising the prefabricated core sections, thereby being beneficial to constructing a tough assembled structural system, realizing the anti-seismic toughness of the building structure and being beneficial to the long-term development of the assembled structure.
(2) According to the invention, the prestress steel strand and the shape memory alloy rod are arranged in the column section connecting region, so that the resetting and energy consumption capabilities of the structure are improved.
(3) According to the invention, the lattice member is formed by two layers of weakened soft steel and stiffening strips, the energy absorbing material foam aluminum blocks are filled in the lattice member to form the sandwich weakened steel plate energy dissipater, and the sandwich weakened steel plate energy dissipater is simultaneously arranged in the connection area of the column section and the beam section, has consistency of energy dissipation components, has unitization characteristic, and is convenient to replace.
(4) The invention provides friction energy consumption through high-strength bolt connection of the double U-shaped plates and the reaming U-shaped plates, and forms multiple energy consumption in the whole structural connection together with the shape memory alloy rod and the sandwich weakening steel plate energy dissipater.
(5) The arc-shaped chute limiting piece is arranged, so that the collapse risk of the beam column node connected based on the mechanical hinge due to failure of the energy dissipation piece can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of an example structure of the present invention.
Fig. 2 is a detail view of a prefabricated core segment.
Fig. 3 is a detail view of a prefabricated column section.
Fig. 4 is a view of a precast beam Duan Xijie.
Fig. 5 is an exploded schematic view of a prefabricated column section and prefabricated core section connection.
Fig. 6 is an exploded schematic view of the connection of a precast beam segment to a precast core segment.
Fig. 7 is a detail view of the sandwich weakened steel panel energy dissipater.
Fig. 8 is a detail view of a double U-shaped plate and a reamed U-shaped plate connection.
Fig. 9 is a schematic illustration of an arcuate chute stop and its stop.
In the figure: 1. prefabricating a core segment; 2. prefabricating a column section; 3. prefabricating a beam section; 4. square steel pipes; 5. high-strength concrete; 6. stamping the convex end plate; 7. an annular plate; 8. a pincer-type ear plate; 9. double U-shaped plates; 10. t-shaped stiffening clamping grooves; 11. prefabricating column heads; 12. a common column section; 13. prestress high-strength inhaul cable; 14. a shape memory alloy rod; 15. the sandwich weakens the steel plate energy dissipater; 16 ordinary ear plates; 17. reaming the U-shaped plate; 18. square steel plates; 19. a high-strength bolt; 20. stiffening ribs; 21. a pin shaft; 22. a friction pad; 23. weakening the mild steel; 24. stiffening strips; 25. a foamed aluminum block; 26. arc chute locating part.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the toughness assembly type multi-element energy consumption limiting collapse-preventing beam column node comprises a prefabricated core section 1, a prefabricated column section 2 and a prefabricated beam section 3, wherein the prefabricated sections and the connecting areas are clearly partitioned, and the prefabricated column section (2) and the prefabricated beam section (3) are respectively and symmetrically located on two sides of the prefabricated core section (1) in an up-down and left-right mode.
As shown in fig. 2, the prefabricated core section main body is a square steel pipe 4 with high-strength concrete 5 poured inside, two end parts provided with stamping convex end plates 6 at two sides, two annular plates 7 arranged outside, square steel plates 18 with bolt holes symmetrically arranged around and an adding rib 20; the protruding part of the protruding end plate faces downwards in a consistent direction, and the column section can be used for aligning and forming shear keys when connected; the clamp type ear plates 8, the double U-shaped plates 9 and the T-shaped stiffening clamping grooves 10 are symmetrically arranged on the outer vertical surface of the main body of the prefabricated core section and are used for reliably connecting the prefabricated beam sections 3.
As shown in fig. 3, the end of a prefabricated column head 11 in the prefabricated column section 3 is provided with a stamped outer convex end plate 6 which is the same as that in a prefabricated core area and is used for aligning and forming a shear key when the column sections are connected, the bottom of the prefabricated column section 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 bottom plate, an overhanging flange of a common column section 12 is inserted, the end plate is symmetrically arranged perpendicular to the overhanging flange of the common column section 12 and is connected with the overhanging flange and the bottom plate, high-strength concrete 5 is poured inside, and square steel plates 18 with bolt holes are symmetrically arranged around the bottom plate; stiffening ribs 20 are symmetrically arranged on both sides of the common column section 12 along the strong axis direction.
As shown in fig. 4, the ends of the precast beam segments are provided with a common ear plate 16, a reamer U-shaped plate 17 and the same T-shaped stiffening card slot 10 as in the precast core segment 1 for reliable connection with the precast core segment 1.
As shown in fig. 5 and 6, the explosion diagrams of the column section and beam section connecting areas are respectively shown, in the column section connecting areas, the prestress high-strength inhaul cables (13) are symmetrically arranged along the weak axis direction of the common column section (12), the shape memory alloy rods (14) are symmetrically arranged along the strong axis direction of the common column section (12), and the sandwich weakening steel plate energy dissipaters 15 are arranged between the square steel plates 18, so that the column section connection has better resetting and energy dissipation capability; in the beam section connecting area, after the common lug plate 16 and the clamp-type lug plate 8 are aligned and connected through a pin shaft, the double U-shaped plate 9 and the reaming U-shaped plate 17 are internally provided with friction gaskets 22 and then are connected through high-strength bolts 19, and then the sandwich weakening steel plate energy dissipater 15 is arranged in the T-shaped stiffening clamping groove 10 and is connected through bolts, so that the column section and the beam section are spliced.
As shown in fig. 7, the two sides of the sandwich weakened steel plate energy dissipation device (15) are weakened soft steel (23), stiffening strips (24) are arranged on the inner side to form lattice clamping grooves, and each lattice is internally filled with foam aluminum blocks (25).
As shown in fig. 9, the bottom of the arc chute limiting part (26) is connected with the precast beam Duan Duanban through bolts, the end part of the arc chute limiting part is embedded in the jaw part of the precast core segment jaw-type lug plate (8), when the beam segment rotates to reach a preset limiting angle, the middle steel block of the chute is contacted with the end part of the arc chute and the end part of the arc chute respectively with the end head and the end part of the arc chute jaw-type lug plate to achieve the purpose of limiting and collapse prevention, and meanwhile, different limiting requirements can be met by changing the length of the arc chute.
Of course, the foregoing is merely preferred embodiments of the present invention and is not to be construed as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and those skilled in the art will appreciate that the present invention is capable of equally varying and improving within the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a toughness assembled type multi-element energy consumption limiting collapse-preventing beam column node, includes prefabricated core section (1), prefabricated column section (2) and prefabricated beam section (3), characterized in that, prefabricated column section (2) and prefabricated beam section (3) are respectively with upper and lower, bilateral symmetry be located prefabricated core section (1) both sides; the prefabricated core section (1) is characterized in that a main body is formed by pouring high-strength concrete (5) inside, square steel pipes (4) for stamping an outer convex end plate (6) are respectively arranged on two sides of an end part, and an annular plate (7), a clamp-type ear plate (8), a double U-shaped plate (9) and a T-shaped stiffening clamping groove (10) are arranged on the outer vertical surface of the main body; the prefabricated column section (2) consists of a prefabricated column head (11) and a common column section (12), two ends of a prestress high-strength guy cable (13) respectively penetrate through an annular plate (7) and a bottom plate of the prefabricated column head (11) and are in tensioning connection, 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) and are in bolt connection, and sandwich weakening steel plate energy dissipaters (15) are symmetrically arranged at the outer sides 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 reaming U-shaped plate (17), and the double U-shaped plate (9) and the reaming U-shaped plate (17) are connected by using high-strength bolts (19);
the annular plate (7) is reserved with holes for connecting the prestress high-strength inhaul cable (13) and the shape memory alloy rod (14), four corners of the annular plate are subjected to round corner treatment, stiffening ribs (20) are symmetrically arranged on the periphery of one side, close to the prefabricated column section (2), of the annular plate (7), the stiffening ribs are connected with square steel pipes (4), and square steel plates (18) are symmetrically arranged on the periphery of one side, far from the prefabricated column section (2), of the annular plate (7) and are connected with the steel pipes (4);
the inside of the prefabricated column head (11) is high-strength concrete (5), square steel plates (18) with bolt holes are symmetrically arranged on the periphery of the outside, the square steel plates (18) are connected with square steel pipes (4), the end parts of the prefabricated column head (11) are provided with stamping convex end plates (6) which are the same as the end parts of the square steel pipes (4), when the prefabricated column section (2) is connected with the prefabricated core section (1), the prefabricated column head (11) can be aligned and form shear keys, the bottom of the prefabricated column head (11) is a solid steel plate which is the same as the annular plate (7) in size and shape, stiffening ribs (20) are arranged, and the stiffening ribs (20) on the solid steel plate are connected with the common column section (12) in the strong axis direction;
stiffening ribs (20) are arranged on the outer side of the end part of the precast beam section (3), and the common lug plate (16) is connected with the clamp type lug plate (8) by virtue of pin shafts (21); the two sides of the sandwich weakening steel plate energy dissipation device (15) are provided with weakening mild steel (23), stiffening strips (24) are arranged on the inner side of the sandwich weakening steel plate energy dissipation device to form lattice clamping grooves, and foam aluminum blocks (25) are filled in each lattice;
the sandwich weakening steel plate energy dissipater (15) is reasonably designed according to the length of the connecting area of the prefabricated column section (2) and the prefabricated beam section (3) and the prefabricated core section (1), the periphery of the connecting area of the column section is symmetrically arranged, two ends of the sandwich weakening steel plate energy dissipater (15) are respectively connected with a square steel plate (18) on a bottom plate of the prefabricated column head (11) and a square steel plate (18) on the annular plate (7) through bolts, the sandwich weakening steel plate energy dissipater (15) is symmetrically arranged up and down in the connecting area of the beam section, and two ends of the sandwich weakening steel plate energy dissipater (15) are respectively connected with a T-shaped stiffening clamping groove (10) on the main body of the prefabricated core section (1) and a T-shaped stiffening clamping groove (10) on the end part of the prefabricated beam section (3) through bolts;
the bottom of the arc chute limiting piece (26) is connected with the precast beam Duan Duanban through bolts, and the end part of the arc chute limiting piece is embedded in the clamp part of the clamp-type lug plate (8) of the precast core section.
2. The ductile fabricated multi-element energy-consuming limiting collapse-preventing beam column joint according to claim 1, wherein the prestressed high-strength guy wires (13) are symmetrically arranged along the weak axis direction of the common column section (12).
3. The ductile fabricated multi-element energy-consuming spacing collapse-preventing beam-column joint according to claim 1 wherein said shape memory alloy rods (14) are symmetrically arranged along the strong axis of the common column section (12).
4. The ductile assembled multi-element energy-consumption limiting collapse-preventing beam column joint according to claim 1 is characterized in that the reaming U-shaped plates (17) are arranged on the inner sides of the double U-shaped plates (9) and are connected through high-strength bolts (19) after friction gaskets (22) are arranged.
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 CN115341658A (en) | 2022-11-15 |
| CN115341658B true 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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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 |
-
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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| CN115341658A (en) | 2022-11-15 |
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