CN217538101U - Energy consumption node of integrated mild steel damper - Google Patents
Energy consumption node of integrated mild steel damper Download PDFInfo
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- CN217538101U CN217538101U CN202221159918.7U CN202221159918U CN217538101U CN 217538101 U CN217538101 U CN 217538101U CN 202221159918 U CN202221159918 U CN 202221159918U CN 217538101 U CN217538101 U CN 217538101U
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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
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- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention relates to an energy consumption node integrated with a mild steel damper, which comprises a concrete column, a concrete beam, 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 on the lower portion of the plug connector and comprises a left I-shaped steel, a right I-shaped steel and a left I-shaped steel fixed end, wherein the left I-shaped steel fixed end is embedded in the concrete column, the right I-shaped steel fixed end is embedded in the concrete beam, the connecting end of the left I-shaped steel and the right I-shaped steel is connected and locked through the locking piece, the concrete column is a prefabricated column, the concrete beam is a prefabricated beam, the prefabricated column and the prefabricated beam are internally provided with a steel reinforcement framework, and the pre-embedded portions of the plug connector, the soft steel damper, the left I-shaped steel and the right I-shaped steel are connected with the corresponding steel reinforcement framework.
Description
Technical Field
The invention relates to the field of energy consumption connection of beam-column joints in fabricated buildings, in particular to an energy consumption joint integrated with a mild steel damper.
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, the fabricated concrete frame structure node has a certain difference in anti-seismic performance compared with a cast-in-place structure node, and the integrity of connection is weaker.
Disclosure of Invention
Aiming at the defects, the invention provides an energy consumption node of an integrated mild steel damper.
The invention solves the technical problem by adopting the scheme that the energy consumption node of the integrated mild steel damper comprises a concrete column, a concrete beam, a plug connector, the mild steel damper and 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, the other end is connected with a 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 concrete column is prefabricated post, and the concrete beam all is provided with steel reinforcement framework in prefabricated post, the precast beam for precast beam, and the pre-buried position of plug connector, mild steel attenuator, left I shaped steel, right I shaped steel is connected with the steel reinforcement framework that corresponds.
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.
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 the lower part of the 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 H-shaped steel; 12. a node high-strength bolt; 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, an energy consumption 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 and a fixed end of the left I-shaped steel, wherein the fixed end of the left I-shaped steel is embedded in the concrete column, the fixed end of the right I-shaped steel 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 hole is 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 abutting portion is provided with a slot for accommodating the web of the left abutting 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 a mild steel damper is pre-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 pre-embedded are transported to the site to be installed after being poured, the left I-shaped steel and the right I-shaped steel which are pre-embedded at the lower part of the node connection can play the 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 the alignment installation and fixation of the components of the node connection.
The construction steps are as follows:
s1, prefabricating a concrete column which is pre-buried and 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 a locking piece, arranging a column side steel plate on the opposite side of the plug connector, and connecting and fixing the soft steel damper, the plug connector and the column side steel plate through a column high-strength bolt penetrating through the concrete column so as 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 parts are understood to be, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding) can, of course, also be replaced by one-piece structures (e.g. manufactured in one piece using a casting process) (unless it is obvious that one-piece processes cannot be used).
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 (5)
1. The utility model provides an energy consumption node of integrated mild steel attenuator which characterized in that: the concrete beam comprises a concrete column, a concrete beam, a plug connector, a mild steel damper and 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 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 concrete column is prefabricated post, and the concrete beam all is provided with steel reinforcement framework in prefabricated post, the precast beam for precast beam, and the pre-buried position of plug connector, mild steel attenuator, left I shaped steel, right I shaped steel is connected with the steel reinforcement framework that corresponds.
2. The energy dissipating node of an 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.
3. The energy dissipating node of an 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 off 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, which is positioned at the left butt joint part, is cut off to form a right butt joint part;
and the web plates of the left butt joint part and the right butt joint part are provided with matched connecting holes, and the locking piece locks the left I-shaped steel and the right I-shaped steel through the connecting holes.
4. The energy dissipating node of the integrated mild steel damper according to claim 3, 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.
5. The energy dissipating node of an integrated mild steel damper according to claim 3 or 4, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159918.7U CN217538101U (en) | 2022-05-16 | 2022-05-16 | Energy consumption node of integrated mild steel damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159918.7U CN217538101U (en) | 2022-05-16 | 2022-05-16 | Energy consumption node of integrated mild steel damper |
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| Publication Number | Publication Date |
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| CN217538101U true CN217538101U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221159918.7U Active CN217538101U (en) | 2022-05-16 | 2022-05-16 | Energy consumption node of integrated mild steel damper |
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| CN (1) | CN217538101U (en) |
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2022
- 2022-05-16 CN CN202221159918.7U patent/CN217538101U/en active Active
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