CN112302166A - Assembled special-shaped column-beam connecting node capable of being repaired after earthquake - Google Patents
Assembled special-shaped column-beam connecting node capable of being repaired after earthquake Download PDFInfo
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- CN112302166A CN112302166A CN202010986068.7A CN202010986068A CN112302166A CN 112302166 A CN112302166 A CN 112302166A CN 202010986068 A CN202010986068 A CN 202010986068A CN 112302166 A CN112302166 A CN 112302166A
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
- E04B2001/2472—Elongated load-supporting part formed from a number of parallel profiles
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明公开了一种震后可修复的装配式异形柱‑梁连接节点，属于结构工程技术领域，本发明的梁柱节点连接装置由异形柱、带端板的工形梁、削弱连梁段、角钢和高强螺栓群组成。钢构件的制作和焊接部分在工厂内完成，焊接质量容易控制，施工现场仅需将预制好的构件吊装并通过螺栓连接。震后仅需拆卸螺栓和角钢即可实现波纹板和削弱连梁的更换，修复难度低。本发明的连接节点同时具备力学性能和实用性能上的优点：在力学性能方面，本发明充分了利用异形柱的承载能力和抗侧刚度，具有良好的抗震性能；在实用性能方面，本发明着重实现快速装配理念和解决房屋中“突柱”问题。
The invention discloses a post-earthquake repairable assembled special-shaped column-beam connection node, which belongs to the technical field of structural engineering. , angle steel and high-strength bolt groups. The fabrication and welding of steel components are completed in the factory, and the welding quality is easy to control. The construction site only needs to hoist the prefabricated components and connect them with bolts. After the earthquake, the corrugated plate and the weakened coupling beam can be replaced only by removing the bolts and angle steel, and the repair difficulty is low. The connecting node of the invention has the advantages of both mechanical performance and practical performance: in terms of mechanical performance, the invention makes full use of the bearing capacity and lateral stiffness of the special-shaped column, and has good seismic performance; in terms of practical performance, the invention focuses on Realize the concept of quick assembly and solve the problem of "protruding column" in the house.
Description
Technical Field
The patent relates to an assembled special-shaped column-beam connecting node capable of being repaired after an earthquake, and belongs to the technical field of structural engineering.
Background
The development of steel structure buildings is closely related to the development of steel structure housing industrialization, the standardization of parts is to be realized by realizing the steel structure housing industrialization, and the high-rise buildings are the main direction of the building industry in China at present, so that the novel efficient assembled standardized steel structure system suitable for the high-rise buildings and the assembled standardized component based on the novel steel structure system are the basis for realizing the steel structure housing industrialization and promoting the development of the steel structure buildings.
At present, a large number of welding seams exist in plate-type reinforced and flange-enlarged reinforced rigid beam-column joints which are frequently adopted in high-rise steel structure industry and civil buildings, stress concentration is easy to occur at the welding seams under the action of an earthquake, so that the welding seams are cracked, the beam-column joints are subjected to brittle failure before plastic hinges are formed, and serious economic loss and casualties are caused. In addition, the traditional joint connection modes require a large amount of field welding operation, the construction speed is low, the assembly rate is low, and the development of an assembly type high-rise steel structure system is greatly limited, so that the assembly type beam-column joint which can reduce the welding of the construction field and has enough bearing capacity and anti-seismic performance is urgently needed. The existing research shows that the steel special-shaped column with the corrugated plate has the advantages of light dead weight, large ductility, high bearing efficiency, good earthquake resistance and the like, and can be used as a main stress member in a high-rise steel structure system. In addition, the beam member and the long special-shaped column are connected through the high-strength bolt to form the assembled beam column node, so that the influence of welding residual stress can be reduced on the premise of ensuring the anti-seismic performance and the bearing capacity of the node, the node is prevented from being damaged brittleness too early, and higher assembling efficiency can be ensured; the plastic hinge can be controlled to occur at the beam end by adjusting the thicknesses of the special-shaped column and the I-shaped beam plate, so that the safety of the structure is ensured, and the design requirements of a strong node weak component and a strong column weak beam are met. In addition, a recoverable functional structure capable of recovering the use function by slightly repairing after an earthquake is a research hotspot in the field of international earthquake engineering in recent years, and the novel structure not only can protect the life and property safety of people in the earthquake, but also can recover the use function as soon as possible after the earthquake. In order to meet the requirements, the invention provides an assembly type special-shaped column-beam connecting node capable of being repaired after an earthquake.
The beam-column connecting node comprises a special-shaped column, an I-shaped beam with an end plate, a weakened connecting beam section, angle steel and a high-strength bolt group; the special-shaped column comprises a square steel pipe column, a section steel column, a corrugated plate, corrugated angle steel, a high-strength bolt group and a single-side bolt group; the end part of the I-shaped beam is welded with an end plate with a bolt hole, a bolt hole is reserved in a factory on the lower flange of the end part of the I-shaped beam, a supporting plate with a bolt hole is arranged on a section steel column corresponding to the lower flange of the I-shaped beam, a longitudinal stiffening rib is arranged at a web plate position of the section steel column corresponding to the flange of the beam, and the I-shaped beam is connected with the special-shaped column through a high-strength bolt; the beam flanges of the weakened beam connecting sections are subjected to dog bone weakening and are connected with the square steel pipe columns and the section steel columns through angle steel connecting pieces, high-strength bolts and single-side bolts; the buckled plate is removable after even roof beam section shakes with weakening, shakes the back if the buckled plate with weaken even roof beam section serious plastic deformation or destruction appear, through dismantling high strength bolt and unilateral bolt, can realize the change of buckled plate.
The I-shaped beam, the weakened connecting beam section and the steel special-shaped column with the full length are connected through the high-strength bolt to form a connecting node, and the connecting node has good anti-seismic performance and bearing capacity of the steel special-shaped column and also has high assembling efficiency; the purpose of outward movement of the node plastic hinge can be achieved by adjusting the thickness ratio of the steel member plates, so that the beam column node is protected. Corrugated plate and weakening even beam section can be changed after the earthquake in this beam column connected node, and the beam column connected node after changing the corrugated plate and weakening even beam section still has original mechanical properties.
Disclosure of Invention
The invention provides an assembled special-shaped column-beam connecting node capable of being repaired after an earthquake, aims to overcome the technical problems in the technical background, and provides a beam-column node structure which has excellent bearing capacity, can reasonably utilize the lateral stiffness resistance of a special-shaped column, improves the lateral stability of a component, and realizes outward movement of a plastic hinge.
In order to achieve the above purpose, the invention provides the following technical scheme:
1. the utility model provides an after-shock repairable assembled dysmorphism post-roof beam connected node which characterized in that: the connecting node comprises a special-shaped column, an I-shaped beam with an end plate, a weakened beam connecting section, an angle steel connecting piece, a single-side bolt group and a high-strength bolt group; the special-shaped column comprises a square steel pipe column, a section steel column, a corrugated plate, corrugated angle steel, a supporting plate, a first high-strength bolt group, a second high-strength bolt group and a third single-side bolt group; the section of the section steel column is I-shaped; the height of the square steel pipe column is equal to that of the section steel column, and the height of the section steel column is larger than that of the corrugated plate; the corrugated plate is positioned between the square steel pipe column and the section steel column, the central line of the corrugated plate, the central line of a wallboard of the square steel pipe column and the central line of a flange of the H-shaped steel column are positioned in the same plane, the corrugation direction of the corrugated plate is longitudinal, and the width of the corrugated plate is not more than 2 times of the width of the wallboard of the square steel pipe column; the corrugated angle steel is formed by welding a corrugated plate and a single-side corrugated flat plate; the section steel column is connected with the corrugated angle steel through a first high-strength bolt group, the corrugated plate is connected with the corrugated angle steel through a second high-strength bolt group, and the corrugated angle steel is connected with the square steel pipe column through a third single-side bolt group to form a special-shaped column; the weakened connecting beam section consists of a connecting beam and a flange outer end plate; the flange of the coupling beam is weakened by a dog bone, two flange outer end plates are welded outside the flange of each side of the coupling beam, and the distance between the two flange outer end plates on the same side is the total thickness of the corrugated plate clamped between the two flange outer end plates; the weakened connecting beam section is connected with the section steel column through a fourth high-strength bolt group, connected with the angle steel connecting piece through the fourth high-strength bolt group, connected with the corrugated plate through the fourth high-strength bolt group and connected with the square steel pipe column through a third single-side bolt group; the end part of the I-shaped beam is welded with an end plate with a bolt hole, a bolt hole is reserved in a factory on the lower flange of the end part of the I-shaped beam, a supporting plate with a bolt hole is welded on a section steel column corresponding to the lower flange of the I-shaped beam, a stiffening rib is welded on a web plate of the section steel column corresponding to the flange of the beam, the end plate of the I-shaped beam is connected with the section steel column through a fifth high-strength bolt group, and the lower flange of the I-shaped beam is connected with the supporting; the buckled plate is removable after shaking with the weakening even beam section, through dismantling high strength bolt, unilateral bolt and angle steel connecting piece, can realize the buckled plate and weaken the change of even beam section.
As a further scheme of the invention: the corrugated shape of the corrugated angle steel is the same as that of the corrugated plate; the corrugated plate is in a sine wave form, a triangular wave form, a trapezoidal wave form or a right-angle wave form; the corrugated plate is in a single-layer corrugated plate or a double-layer corrugated plate.
Compared with the prior art, the patent has the advantages that:
1. the special-shaped column is based on the idea of double-column bearing and corrugated plate lateral resistance, and has the advantages of reasonable force flow transmission, clear stress, simple components and convenient design; when bearing horizontal load, because the buckled plate has retrained the relative deformation of square steel tubular column and shaped steel post, the cross-section of square steel tubular column, shaped steel post and buckled plate can combine to form a complete anti side cross-section, and the square steel tubular column has greatly improved the anti side rigidity of dysmorphism post, can effectively reduce the interlayer side of structure and move. The special-shaped column has enough lateral stiffness while ensuring vertical bearing capacity, is a special-shaped column component between a frame column and a shear wall, and has higher lateral stiffness, vertical and horizontal bearing capacity and better anti-seismic performance compared with a structural column in a common steel frame, so that the lateral deformation of the structure can be effectively reduced, the damage of a non-structural component is reduced, and the special-shaped column can be applied to high-rise buildings; compare with the shear force wall in the shear force wall structure, this application patent special-shaped post has the advantage that the quality is light, connect simply, can assemble fast, spatial arrangement is nimble when having good anti-seismic performance.
2. This application patent only with high strength bolted connection between connected node's beam column, assembly efficiency is high, has reduced the welding seam quality problem because of the construction environment is poor and lead to. The connecting node inherits good bearing capacity, anti-seismic performance and ductility of the special-shaped column, and the plastic hinge can be controlled at the beam end through the thickness design of the plate, so that the column component is prevented from being damaged before the beam component, and the strong column and weak beam are realized.
3. This application patent connected node can restore the theory based on after the vibrations, and through factors such as the wave amplitude and wavelength, the plate width and thickness ratio and the height and thickness ratio of control corrugated plate, make the plasticity damage take place at the buckled plate and weaken even beam section, shake the back through dismantling high strength bolt and unilateral bolt, can realize the buckled plate and weaken the change of even beam section, change the buckled plate and weaken the spliced pole node of even beam section and still have the mechanical properties of former node.
4. The cross-sectional width of the member in the special-shaped column and the cross-sectional width of the I-shaped beam are not larger than the thickness of a wall body in a building, the problem of 'protruding columns' is effectively solved, the indoor space is saved, and the special-shaped column has good attractiveness.
Drawings
FIG. 1 is a three-dimensional view of a fabricated profiled column-beam connection node that is repairable after an earthquake;
FIG. 2 is an exploded view of a modular profiled column-beam connection node that is repairable after an earthquake;
FIG. 3 is an elevation view of a modular profiled column-beam connection node that is repairable after an earthquake;
FIG. 4 is a top view of a fabricated profiled column-beam connection node that is repairable after an earthquake;
FIG. 5 is a schematic diagram of structural parameters of a fabricated profiled column-beam connection node that is repairable after an earthquake;
FIG. 6 is a corrugated plate schematic view of a modular profiled column-beam connection node that is repairable after an earthquake;
FIG. 7 is a schematic view of a single-sided bolt of a post-seismic repairable fabricated profiled column-beam connection node;
FIG. 8 is a schematic view of an angle steel of an assembled profiled column-beam connection node that is repairable after an earthquake;
FIG. 9 is a schematic view of a weakened beam connecting section of a post-seismic repairable fabricated profiled column-beam connection node;
Detailed Description
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 9.
As shown in fig. 1 to 9, an assembled special-shaped column-beam connection node capable of being repaired after earthquake comprises the following components:
1-square steel pipe column
2-section steel column
3-corrugated plate
4-supporting plate
5-I-beam
6-end plate
7-stiffening rib plate
8-corrugated angle steel
9-weakening connecting beam section
10-first high-strength bolt group
11-second high-strength bolt group
12-third unilateral bolt group
13-fourth high-strength bolt group
14-fifth high-strength bolt group
15-sixth high-strength bolt group
16-angle steel connecting piece
17-connecting beam
18-flange outer end plate
The concrete connection mode of the beam-column joint connection device of the present invention will be described in detail below with reference to the accompanying drawings.
The node connecting device of the invention comprises the following components: the steel structure comprises a square steel pipe column (1), a section steel column (2), corrugated plates (3), a supporting plate (4), I-shaped beams (5), end plates (6), stiffening rib plates (7), corrugated angle steel (8), angle steel connecting pieces (16), a high-strength bolt group and a single-side bolt group; wherein a steel beam consisting of a square steel pipe column (1), a section steel column (2) with a stiffening rib plate (7) and a supporting plate (4), a corrugated plate (3), corrugated angle steel (8), an angle steel connecting piece (16), an I-shaped beam (5) and an end plate (6) is prefabricated in a factory; the prefabricated steel members are then transported to the construction site for installation and complete joining.
As shown in fig. 1-4, during installation, firstly, the special-shaped column member is hoisted at a preset position, the corrugated angle steel (8) is connected with the section steel column (2) through the first high-strength bolt group (10), the corrugated plate (3) is connected with the corrugated angle steel (8) through the second high-strength bolt group (11), the corrugated angle steel (8) is connected with the square steel pipe column (1) through the third single-side bolt group (12), installation of the special-shaped column is completed, the weakened beam connecting section (9) is connected with the section steel column (2) through the angle steel connecting piece (16) and the fourth high-strength bolt group (13), the weakened beam connecting section (9) is connected with the square steel pipe column (1) through the angle steel connecting piece (16) and the third single-side bolt group (12), then the I-shaped beam (5) is arranged on the supporting plate (4) of the flange outside the section steel column, and the I-shaped beam end plate (6) is connected with the section steel column (2) through the fifth high-strength bolt group (, and the lower flange of the I-shaped beam (5) is connected with the outer flange supporting plate (4) of the section steel column through a sixth high-strength bolt group (15).
As shown in fig. 5, definitions of the corrugated plate thickness, the corrugated plate height, the corrugated plate width, the corrugated plate center line, the flange width of the H-shaped steel column, the H-shaped steel column height, the flange center line of the H-shaped steel column, the wall plate thickness of the square steel pipe column, the height of the square steel pipe column, the wall plate center line of the square steel pipe column, and the plane and the longitudinal direction of the corrugated plate center line are given. The height of the square steel pipe column is equal to that of the section steel column, and the height of the section steel column is larger than that of the corrugated plate; the buckled plate is located between square steel pipe column and the shaped steel post, and buckled plate central line, square steel pipe column wallboard central line and H shaped steel post flange central line are located the coplanar, and the ripple direction of buckled plate is vertical, and the width of buckled plate should not be greater than 2 times of square steel pipe column wallboard width.
As shown in fig. 6, the corrugated plate (3) adopts a sine wave form, a triangular wave form, a trapezoidal wave form, a right-angle wave form or a spliced double-layer trapezoidal wave form. The double-layer trapezoidal wave folded corrugated plate is formed by welding and connecting two trapezoidal wave folded corrugated plates at the plate edge contact part.
As shown in fig. 7, when the third single-sided bolt group (12) is installed, the sliding block is firstly folded in the sliding groove before installation, the nut is installed on the screw rod during installation, one section with the sliding block is installed in the screw hole, the sliding block is released by rotating 90 degrees to be perpendicular to the screw rod, and finally the nut is screwed to complete installation.
As shown in fig. 8, the corrugated angle steel (8) is formed by welding a corrugated plate (3) and a single-side corrugated flat plate, and bolt holes are reserved on the steel plate.
As shown in fig. 9, the weakened beam connecting section (9) is composed of a connecting beam (17) and a flange outer end plate (18); the flanges of the connecting beam (17) are weakened by dog bones, and two flange outer end plates (18) are welded outside the flange of each side of the connecting beam (17); the distance between the two flange outer end plates (18) outside the flange on each side of the connecting beam is the total thickness of the corrugated plate (3) clamped between the two flange outer end plates.
Claims (2)
1. The utility model provides an after-shock repairable assembled dysmorphism post-roof beam connected node which characterized in that: the connecting node comprises a special-shaped column, an I-shaped beam with an end plate, a weakened beam connecting section, an angle steel connecting piece, a single-side bolt group and a high-strength bolt group; the special-shaped column comprises a square steel pipe column, a section steel column, a corrugated plate, corrugated angle steel, a supporting plate, a first high-strength bolt group, a second high-strength bolt group and a third single-side bolt group; the section of the section steel column is I-shaped; the height of the square steel pipe column is equal to that of the section steel column, and the height of the section steel column is larger than that of the corrugated plate; the corrugated plate is positioned between the square steel pipe column and the section steel column, the central line of the corrugated plate, the central line of a wallboard of the square steel pipe column and the central line of a flange of the H-shaped steel column are positioned in the same plane, the corrugation direction of the corrugated plate is longitudinal, and the width of the corrugated plate is not more than 2 times of the width of the wallboard of the square steel pipe column; the corrugated angle steel is formed by welding a corrugated plate and a single-side corrugated flat plate; the section steel column is connected with the corrugated angle steel through a first high-strength bolt group, the corrugated plate is connected with the corrugated angle steel through a second high-strength bolt group, and the corrugated angle steel is connected with the square steel pipe column through a third single-side bolt group to form a special-shaped column; the weakened connecting beam section consists of a connecting beam and a flange outer end plate; the flange of the coupling beam is weakened by a dog bone, two flange outer end plates are welded outside the flange of each side of the coupling beam, and the distance between the two flange outer end plates on the same side is the total thickness of the corrugated plate clamped between the two flange outer end plates; the weakened connecting beam section is connected with the section steel column through a fourth high-strength bolt group, connected with the angle steel connecting piece through the fourth high-strength bolt group, connected with the corrugated plate through the fourth high-strength bolt group and connected with the square steel pipe column through a third single-side bolt group; the end part of the I-shaped beam is welded with an end plate with a bolt hole, a bolt hole is reserved in a factory on the lower flange of the end part of the I-shaped beam, a supporting plate with a bolt hole is welded on a section steel column corresponding to the lower flange of the I-shaped beam, a stiffening rib is welded on a web plate of the section steel column corresponding to the flange of the beam, the end plate of the I-shaped beam is connected with the section steel column through a fifth high-strength bolt group, and the lower flange of the I-shaped beam is connected with the supporting; the buckled plate is removable after shaking with the weakening even beam section, through dismantling high strength bolt, unilateral bolt and angle steel connecting piece, realizes the change of buckled plate and weakening even beam section.
2. The beam-column connection node of claim 1, wherein: the corrugated shape of the corrugated angle steel is the same as that of the corrugated plate; the corrugated plate is in a sine wave form, a triangular wave form, a trapezoidal wave form or a right-angle wave form; the corrugated plate is in a single-layer corrugated plate or a double-layer corrugated plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986068.7A CN112302166A (en) | 2020-09-18 | 2020-09-18 | Assembled special-shaped column-beam connecting node capable of being repaired after earthquake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986068.7A CN112302166A (en) | 2020-09-18 | 2020-09-18 | Assembled special-shaped column-beam connecting node capable of being repaired after earthquake |
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| CN112302166A true CN112302166A (en) | 2021-02-02 |
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| CN202010986068.7A Pending CN112302166A (en) | 2020-09-18 | 2020-09-18 | Assembled special-shaped column-beam connecting node capable of being repaired after earthquake |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497934A (en) * | 2023-03-21 | 2023-07-28 | 北京工业大学 | A cross-shaped special-shaped column and its node device |
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