CN114837484A - Bolt type energy consumption node integrated with mild steel damper and construction method - Google Patents
Bolt type energy consumption node integrated with mild steel damper and construction method Download PDFInfo
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- CN114837484A CN114837484A CN202210526334.7A CN202210526334A CN114837484A CN 114837484 A CN114837484 A CN 114837484A CN 202210526334 A CN202210526334 A CN 202210526334A CN 114837484 A CN114837484 A CN 114837484A
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- 229910001209 Low-carbon steel Inorganic materials 0.000 title claims abstract description 50
- 238000005265 energy consumption Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 137
- 239000010959 steel Substances 0.000 claims abstract description 137
- 210000001503 joint Anatomy 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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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
- E04H9/0237—Structural braces with damping devices
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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
- E04H9/025—Structures with concrete columns
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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 a bolt type energy consumption node of an integrated mild steel damper and a construction method, wherein the bolt type energy consumption node comprises a concrete column and a concrete beam which are connected by a node connecting component, and the connecting component comprises a plug connector, a mild steel damper and I-shaped steel; the plug connector is pre-embedded at a connection node of the side surface of the concrete column; one end of the mild steel damper is spliced with the plug connector, and the other end of the mild steel damper is connected with the concrete beam; the I-shaped steel is arranged at the lower part of the plug connector and comprises a left I-shaped steel, a right I-shaped steel, a left I-shaped steel fixing end and a right I-shaped steel, wherein the left I-shaped steel fixing end is embedded in the concrete column; the energy consumption node does not need wet operation during site construction, is high in construction speed, improves the integrity of dry connection, has equivalent energy consumption capacity, and improves the strength, the energy consumption capacity and the anti-seismic performance of a node area.
Description
Technical Field
The invention relates to the field of energy consumption connection of beam-column joints in fabricated buildings, in particular to a bolt type energy consumption joint integrated with a mild steel damper and a construction method.
Background
The building industry of China is continuously and rapidly developed in recent years, the industrial scale is continuously expanded, but the modernization level of the building industry is not high, and the traditional mode of the building industry of China at the present stage has the problems of long construction period, high resource and energy consumption, low production efficiency, technology content, low standardization degree and the like. The prefabricated concrete structure has the advantages of high production efficiency, short construction period, good product quality, small environmental influence, less labor consumption and the like, so the development of the prefabricated concrete structure is a necessary trend in the development of the building field in China.
However, the prefabricated structure has a plurality of technical problems, and particularly in the prefabricated frame structure, the problems of poor structural integrity, weak seismic performance and the like exist. In addition, the structure of the conventional assembled integral building mainly adopts wet connection, all prefabricated components are connected together by pouring concrete behind nodes, although the wet connection can effectively improve the structural integrity, the assembled integral building has the advantages of being high in efficiency and high in speed, such as complex construction process, complex operation and seriously weakened, and the maintenance after the construction is finished has the same problem and cannot realize the full assembly of the structural type. Although the fabricated concrete frame structure node adopting the dry type node is convenient to construct and greatly shortens the construction period, compared with the cast-in-place structure node, the fabricated concrete frame structure node has a certain difference in anti-seismic performance and is weaker in connection integrity.
Disclosure of Invention
Aiming at the defects, the invention provides a bolt type energy consumption node integrated with a mild steel damper and a construction method.
The invention solves the technical problem by adopting the scheme that the bolt type energy consumption node of the integrated mild steel damper comprises a concrete column and a concrete beam which are connected by a node connecting component, wherein the connecting component comprises a plug connector, the mild steel damper and an I-shaped steel;
the plug connectors are pre-embedded at the connection nodes on the side surfaces of the concrete columns;
one end of the mild steel damper is spliced with the plug connector, and the other end of the mild steel damper is connected with the concrete beam;
the I-shaped steel is arranged on the lower portion of the plug connector and comprises a left I-shaped steel, a right I-shaped steel, a left I-shaped steel fixing end is embedded in the concrete column, a right I-shaped steel fixing end is embedded in the concrete beam, and the connecting end of the left I-shaped steel and the right I-shaped steel is connected and locked through a locking piece.
Furthermore, the concrete column is provided with a column side steel plate on the opposite side of the plug connector, and the mild steel damper, the plug connector and the column side steel plate are connected through a column high-strength bolt penetrating through the concrete column.
Furthermore, a vertical slot for installing the mild steel damper is formed in the plug connector.
Furthermore, wing plates at the upper end or the lower end of the connecting end of the left I-shaped steel are cut to form a left butt joint part, and wing plates at the opposite side of the connecting end of the right I-shaped steel on the left butt joint part are cut to form a right butt joint part;
the web plates of the left butt joint part and the right butt joint part are provided with connecting holes matched with each other, and the locking piece locks the left I-shaped steel and the right I-shaped steel through the connecting holes.
Furthermore, a slot for accommodating the web plate of the left butt joint part is formed in the web plate of the right butt joint part.
Furthermore, stiffening ribs are arranged on two sides of a web plate of the right I-shaped steel and are connected with the web plate and wing plates at the upper end and the lower end into a whole.
Furthermore, the locking piece is connected to a high-strength bolt with a node.
Further, the concrete column is a prefabricated column, the concrete beam is a prefabricated beam, and steel reinforcement frameworks are arranged in the prefabricated column and the prefabricated beam.
Furthermore, a vertical hole A is formed in the position, embedded in the concrete column, of the plug connector, a vertical hole B is correspondingly formed in the upper wing plate and the lower wing plate of the fixed end of the left I-shaped steel, vertical steel bars correspondingly penetrating through the vertical hole A and the vertical hole B are arranged on a steel bar framework in the concrete column, and the column high-strength bolt, the plug connector and the left I-shaped steel are bound and fixed with the steel bar framework in the concrete column; and a beam high-strength bolt for connecting the mild steel damper is embedded above the right I-shaped steel in the concrete beam, and the beam high-strength bolt and the right I-shaped steel are bound and fixed with a steel reinforcement framework in the concrete beam.
A beam column node energy-consumption connecting method comprises the following steps:
s1, prefabricating and pre-burying a concrete column provided with a plug connector and a left I-shaped steel; prefabricating and pre-burying a concrete beam provided with beam high-strength bolts and right I-shaped steel,
s2, mounting the mild steel damper at the beam end through a beam high-strength bolt;
s3, correcting and aligning the concrete columns and the concrete beams to be connected;
s4, inserting the mild steel damper at the beam end into the plug connector to splice the connecting ends of the left I-shaped steel and the right I-shaped steel;
and S5, connecting and locking the left I-shaped steel and the right I-shaped steel through locking pieces, arranging column side steel plates on opposite sides of the plug connectors, and connecting and fixing the mild steel damper, the plug connectors and the column side steel plates through column high-strength bolts penetrating through the concrete column.
Compared with the prior art, the invention has the following beneficial effects: the dry-type connection structure has the advantages that wet operation is not needed during field construction, the construction speed is high, the integrity of dry-type connection is improved, the equivalent energy consumption capability is realized, and the strength, the energy consumption capability and the anti-seismic performance of a node area are improved.
Drawings
The invention is further described with reference to the following figures.
Fig. 1 is a schematic diagram of a node-out connection structure.
Fig. 2 is a schematic exploded view of fig. 1.
Fig. 3 is a schematic diagram of a specific connection of nodes.
Fig. 4 is a schematic view of a lower portion of a node connection.
In the figure: 1. a concrete column; 2, concrete beams; 3. the node is connected with the upper component; 4. the node is connected with the lower component; 5. a column high-strength bolt; 6. a plug-in unit; 7. a mild steel damper; 8. beam high-strength bolts; 9. a column-side steel plate; 10. left I-shaped steel; 11. right I-shaped steel; 12. a high-strength bolt with a node; 13. a stiffening rib; 14. the vertical reinforcing steel bars of the reinforcing steel bar framework in the column.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, a bolt-type energy dissipation node integrated with a mild steel damper comprises a concrete column 1 and a concrete beam 2 which are connected by a node connecting member, wherein the connecting member comprises a plug connector 6, a mild steel damper 7 and an i-shaped steel;
the connector clip is pre-embedded in a connecting node on the side face of the concrete column, the connector clip is made of groove-shaped steel, a vertical partition plate is arranged in the middle of the groove-shaped steel to divide the inner area of the section steel into a rectangular closed area and an open area, the foot of a steel plate at the tail end of the open area is bent inwards by 90 degrees to form a vertical slot for mounting the mild steel damper, and the rectangular closed area forms a vertical hole A for a vertical steel bar 14 of a steel reinforcement framework in the column to penetrate through;
one end of the mild steel damper is spliced with the plug connector, and the other end of the mild steel damper is connected with the concrete beam;
the I-shaped steel is arranged on the lower portion of the plug connector and comprises a left I-shaped steel, a right I-shaped steel, a left I-shaped steel fixing end is embedded in the concrete column, a right I-shaped steel fixing end is embedded in the concrete beam, and the connecting end of the left I-shaped steel 10 and the connecting end of the right I-shaped steel 11 are connected and locked through a locking piece.
In this embodiment, left I-shaped steel, right I-shaped steel are pre-buried in node core area lower part, and the plug connector is pre-buried in node core area.
In this embodiment, the mild steel damper is composed of two steel plates and two energy-consuming steel plates, the two energy-consuming steel plates are horizontally spaced from top to bottom and connected to each other, the two steel plates are vertically disposed on two sides, the steel plates are made of common steel, and the energy-consuming steel plates are made of steel with low yield point.
In this embodiment, the concrete column is provided with a column-side steel plate 9 on the side opposite to the plug connector, and the mild steel damper, the plug connector, and the column-side steel plate are connected through a column high-strength bolt 5 penetrating through the concrete column. The column side steel plate is arranged and then fastened by the column high-strength bolt, so that the tail part of the bolt is prevented from crushing concrete due to stress concentration when the tail part of the bolt is stressed; the diameter and the number of the high-strength bolts connected with the nodes are determined according to the calculation result of the internal force of the structure. Preferably, the column high-strength bolt holes are provided one at each of four corners of the column-side steel plate.
In this embodiment, the wing plate at the upper end or the lower end of the connecting end of the left i-shaped steel is cut to form a left butt joint part, and the wing plate at the opposite side of the connecting end of the right i-shaped steel on the left butt joint part is cut to form a right butt joint part;
the web plates of the left butt joint part and the right butt joint part are provided with connecting holes matched with each other, and the locking piece locks the left I-shaped steel and the right I-shaped steel through the connecting holes.
In this embodiment, the web of the right docking portion is provided with a slot for accommodating the web of the left docking portion.
In this embodiment, stiffening ribs 13 are disposed on two sides of the web of the right i-shaped steel, and the stiffening ribs are welded with the web and the wing plates at the upper and lower ends into a whole.
In this embodiment, the locking member is connected to a high strength bolt 12.
In this embodiment, the concrete column is prefabricated post, and the concrete beam is the precast beam, all is provided with steel reinforcement framework in prefabricated post, the precast beam.
In this embodiment, vertical holes B are correspondingly formed in the upper and lower wing plates at the fixed end of the left i-shaped steel, preferably, the vertical holes B are located right below the vertical holes a, vertical steel bars correspondingly penetrating through the vertical holes a and the vertical holes B are arranged on a steel bar framework in the concrete column, and the column high-strength bolt, the plug connector and the left i-shaped steel are bound and fixed with the steel bar framework in the concrete column; and a beam high-strength bolt for connecting the mild steel damper is embedded above the right I-shaped steel in the concrete beam, and the beam high-strength bolt and the right I-shaped steel are bound and fixed with a steel reinforcement framework in the concrete beam. Preferably, the beam high-strength bolt holes are respectively arranged at four corners of the mild steel damper.
In the embodiment, if the stirrups of the column embedded section steel are in contact with the embedded section steel in the height area of the column embedded section steel, the stirrups are directly welded, and the contact part of the beam embedded I-shaped steel and the beam longitudinal steel bar is also welded; in the construction process, the components needing to be embedded are poured and transported to the site to be installed, the left I-shaped steel and the right I-shaped steel which are embedded in the lower portion of the node connection can play a role of a hidden bracket, temporary support can be provided for the structure during construction, the structure can be adjusted more conveniently, and support can be provided for alignment installation and fixation of the components connected with the node.
A beam column node energy-consumption connecting method comprises the following steps:
s1, prefabricating and pre-burying a concrete column provided with a plug connector and a left I-shaped steel; prefabricating and pre-burying a concrete beam provided with a beam high-strength bolt and a right I-shaped steel; when the concrete column is prefabricated, the left I-shaped steel and the plug connector are fixedly installed in place, and then concrete is poured; when the concrete beam is prefabricated, the right I-shaped steel beam high-strength bolt is installed in place, and then concrete is poured;
s2, mounting the mild steel damper at the beam end through a beam high-strength bolt;
s3, correcting and aligning the concrete columns and the concrete beams to be connected;
s4, inserting the mild steel damper at the beam end into the plug connector to splice the connecting ends of the left I-shaped steel and the right I-shaped steel;
and S5, connecting and locking the left I-shaped steel and the right I-shaped steel through locking pieces, arranging column side steel plates on opposite sides of the plug connectors, and connecting and fixing the soft steel damper, the plug connectors and the column side steel plates through column high-strength bolts penetrating through the concrete column to enable the concrete column and the concrete beam to be connected into an integral structure to bear force.
In this embodiment, use the material to be steel in the nodal connection, improved the regional intensity of node, in addition because the elastic modulus of steel is higher than the concrete, can improve the deformability of node, the use of mild steel attenuator and the steel member that whole node adopted can guarantee that the structure can make the structure carry out effectual energy dissipation under the earthquake action under the prerequisite of normal use, improve the shock resistance of node. The node steel members are connected through the high-strength bolts, so that the fatigue strength of the node can be effectively improved, and the quality problem of welding seams caused by field welding construction is avoided. Meanwhile, the main body member of the joint can be prefabricated in a factory, wet operation is not needed during field construction, the construction speed is high, and certain economic benefits are achieved.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a bolt type power consumption node of integrated mild steel attenuator, includes concrete column, the concrete beam that nodal connection component is connected, its characterized in that: the connecting component comprises a plug connector, a mild steel damper and an I-shaped steel;
the plug connectors are pre-embedded at the connection nodes on the side surfaces of the concrete columns;
one end of the mild steel damper is spliced with the plug connector, and the other end of the mild steel damper is connected with the concrete beam;
the I-shaped steel is arranged on the lower portion of the plug connector and comprises a left I-shaped steel, a right I-shaped steel, a left I-shaped steel fixing end is embedded in the concrete column, a right I-shaped steel fixing end is embedded in the concrete beam, and the connecting end of the left I-shaped steel and the right I-shaped steel is connected and locked through a locking piece.
2. The bolt type energy consumption node of the integrated mild steel damper according to claim 1, wherein: the concrete column is provided with a column side steel plate on the opposite side of the connector clip, and the mild steel damper, the connector clip and the column side steel plate are connected through a column high-strength bolt penetrating through the concrete column.
3. The bolt type energy consumption node of the integrated mild steel damper according to claim 1, wherein: and the plug connector is provided with a vertical slot for mounting the mild steel damper.
4. The bolt type energy consumption node of the integrated mild steel damper according to claim 1, wherein: the wing plate at the upper end or the lower end of the connecting end of the left I-shaped steel is cut to form a left butt joint part, and the wing plate at the opposite side of the connecting end of the right I-shaped steel on the left butt joint part is cut to form a right butt joint part;
the web plates of the left butt joint part and the right butt joint part are provided with connecting holes matched with each other, and the locking piece locks the left I-shaped steel and the right I-shaped steel through the connecting holes.
5. The pin-type energy dissipation node of integrated mild steel damper according to claim 4, wherein: and a slot for accommodating the web plate of the left butt joint part is arranged on the web plate of the right butt joint part.
6. The pin-type energy consumption node of the integrated mild steel damper according to claim 4 or 5, wherein: stiffening ribs are arranged on two sides of a web plate of the right I-shaped steel and are connected with the web plate and wing plates at the upper end and the lower end into a whole.
7. The pin-type energy dissipation node of the integrated mild steel damper according to claim 1 or 4, wherein: the locking piece is connected with a high-strength bolt with a node.
8. The pin-type energy dissipation node of the integrated mild steel damper according to any one of claims 1 to 5, wherein: the concrete column is a prefabricated column, the concrete beam is a prefabricated beam, and reinforcing steel bar frameworks are arranged in the prefabricated column and the prefabricated beam.
9. The pin-type energy dissipating node of the integrated mild steel damper according to claim 8, wherein: the vertical hole A is formed in the position, embedded in the concrete column, of the plug connector, the vertical hole B is correspondingly formed in the upper wing plate and the lower wing plate of the fixed end of the left I-shaped steel, vertical steel bars correspondingly penetrating through the vertical hole A and the vertical hole B are arranged on a steel bar framework in the concrete column, and the column high-strength bolt, the plug connector and the left I-shaped steel are bound and fixed with the steel bar framework in the concrete column; and a beam high-strength bolt for connecting the mild steel damper is embedded above the right I-shaped steel in the concrete beam, and the beam high-strength bolt and the right I-shaped steel are bound and fixed with a steel reinforcement framework in the concrete beam.
10. A beam column node energy consumption connection method, which adopts the bolt type energy consumption node of the integrated mild steel damper according to the claim 1, 2, 3, 4, 5 or 9, and is characterized by comprising the following steps:
s1, prefabricating and pre-burying a concrete column provided with a plug connector and a left I-shaped steel; prefabricating and pre-burying a concrete beam provided with beam high-strength bolts and right I-shaped steel,
s2, mounting the mild steel damper at the beam end through a beam high-strength bolt;
s3, correcting and aligning the concrete columns and the concrete beams to be connected;
s4, inserting the mild steel damper at the beam end into the plug connector to splice the connecting ends of the left I-shaped steel and the right I-shaped steel;
and S5, connecting and locking the left I-shaped steel and the right I-shaped steel through locking pieces, arranging column side steel plates on opposite sides of the plug connectors, and connecting and fixing the mild steel damper, the plug connectors and the column side steel plates through column high-strength bolts penetrating through the concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526334.7A CN114837484A (en) | 2022-05-16 | 2022-05-16 | Bolt type energy consumption node integrated with mild steel damper and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526334.7A CN114837484A (en) | 2022-05-16 | 2022-05-16 | Bolt type energy consumption node integrated with mild steel damper and construction method |
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| CN114837484A true CN114837484A (en) | 2022-08-02 |
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| CN202210526334.7A Pending CN114837484A (en) | 2022-05-16 | 2022-05-16 | Bolt type energy consumption node integrated with mild steel damper and construction method |
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| CN111335466A (en) * | 2020-03-20 | 2020-06-26 | 哈尔滨工业大学 | Fabricated concrete self-resetting beam-column joint connecting structure and assembling method |
| CN112854442A (en) * | 2021-01-08 | 2021-05-28 | 哈尔滨工业大学 | Self-resetting combined node connecting structure and assembling method for beam column of assembled concrete frame |
| CN113718950A (en) * | 2021-07-30 | 2021-11-30 | 华北水利水电大学 | Novel rapid Assembly formula beam column nodal connection structure |
-
2022
- 2022-05-16 CN CN202210526334.7A patent/CN114837484A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002173977A (en) * | 2000-12-08 | 2002-06-21 | Takenaka Komuten Co Ltd | Steel framed column-beam joint part equipped with earthquake control mechanism |
| CN203213304U (en) * | 2013-02-06 | 2013-09-25 | 原康幸 | Column beam jointing bracket |
| CN103243819A (en) * | 2013-05-27 | 2013-08-14 | 江苏科技大学 | Fabricated concrete column-steel beam energy dissipation type panel point connecting device |
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| CN113718950A (en) * | 2021-07-30 | 2021-11-30 | 华北水利水电大学 | Novel rapid Assembly formula beam column nodal connection structure |
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