CN218091303U - Assembled concrete frame and steel shotcrete's connected node - Google Patents
Assembled concrete frame and steel shotcrete's connected node Download PDFInfo
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- CN218091303U CN218091303U CN202222093796.2U CN202222093796U CN218091303U CN 218091303 U CN218091303 U CN 218091303U CN 202222093796 U CN202222093796 U CN 202222093796U CN 218091303 U CN218091303 U CN 218091303U
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Abstract
The utility model discloses an assembled concrete frame and steel shotcrete's connected node. The concrete frame comprises a concrete frame column and a concrete precast beam which are connected, the concrete precast beam is connected with the steel support through a node connecting piece, and the node connecting piece is arranged by being attached to the concrete frame column; the node connecting piece comprises a connecting piece bottom plate and a connecting piece web plate which are connected with each other, and connecting piece anchoring ribs are arranged on the connecting piece bottom plate. The utility model discloses a precast beam independently links to each other with the frame post through the node connecting plate respectively with the steel shotcrete, and the connection method is simple easily controlled, easily guarantees construction quality. The precast beam is connected with the frame column through the bolts, and when the precast beam is damaged, the precast beam can be independently maintained and replaced. Generally, the utility model provides an assembled concrete frame has the succinct high-efficient of construction, the quality easily controls, shakes the easy prosthetic characteristics in back with steel shotcrete's connected node.
Description
Technical Field
The utility model relates to an assembled concrete frame and steel shotcrete's connected node belongs to building technical field.
Background
The prefabricated component of the assembly type concrete frame structure is simple, efficient in construction and installation, easy to control in quality and is a main structural system in an assembly type building. However, the frame structure has poor lateral rigidity, low structural redundancy and low height. In order to improve the anti-seismic performance of the concrete frame structure, steel supports can be introduced into the assembled concrete frame structure to form an assembled concrete frame-steel support structure system, so that the lateral rigidity of the structure is increased, and the anti-seismic performance is improved.
In an assembly type concrete frame-steel support structure system, the reliability of the connection nodes of concrete frame beams, frame columns and steel supports is the key for ensuring the anti-seismic performance of the structure. Chinese utility model patent (CN 211007084U) (as shown in fig. 7) proposes a method of connecting joint of steel support and fabricated concrete frame: node connecting pieces are respectively embedded in the precast columns and the superposed beams and are fixedly connected with the steel supporting bolts through connecting steel plates, and the frame beams are connected with the frame columns through post-cast strips arranged at the tops and two ends of the precast beams.
The technical scheme provided by the patent has the following problems: (1) The post-cast strip is arranged at the top of the precast beam and at the end part connected with the precast column, a large number of steel bars need to be reserved and extended in the precast beam for ensuring the reliable connection of the precast part and the post-cast part, on one hand, the manufacturing and transportation difficulty is large, on the other hand, when the post-cast composite beam steel bars and the extended steel bars, the precast beam and the precast column joint part reserved steel bars are easy to interfere, and the construction difficulty is large. (2) The precast beam and the precast column are connected with the steel support connecting plate through the embedded screws, the positioning of the embedded screws is constrained, and the requirements on production and installation accuracy are increased. (3) The precast beam and the column are connected into a whole through the post-cast strip, and if the precast beam and the column are damaged under the earthquake, the precast beam and the column are difficult to independently maintain and replace. Therefore, the technical scheme provided by the patent still has inconvenience in practical application.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an assembled concrete frame and steel shotcrete's connected node.
The utility model discloses a realize through following technical scheme:
a connection node of an assembled concrete frame and a steel support comprises the concrete frame and the steel support, wherein the concrete frame comprises a concrete frame column and a concrete precast beam which are connected with each other, the concrete precast beam is connected with the steel support through a node connecting piece, and the node connecting piece is arranged in a manner of being attached to the concrete frame column; the node connecting piece comprises a connecting piece bottom plate and a connecting piece web plate which are connected with each other, and connecting piece anchoring ribs are arranged on the connecting piece bottom plate.
The connection node of the assembly type concrete frame and the steel support is characterized in that a connecting piece stiffening rib is arranged on a connecting piece web plate.
A connected node of assembled concrete frame and steel shotcrete, the concrete frame post is including continuous prefabrication upper prop, frame post-cast strip and the prefabrication lower prop in proper order.
The utility model provides a connected node of assembled concrete frame and steel shotcrete, the column bottom of prefabricating the upper prop is provided with first overhanging muscle of indulging, and the capital of prefabricating the lower prop is provided with the second and stretches out and indulges the muscle outward, and first overhanging muscle of indulging and the second stretches out and indulges the muscle and aligns each other and pass through adjustable connecting sleeve and connect outward.
A connected node of assembled concrete frame and steel shotcrete, prefabricated bottom surface of the upper column and prefabricated bottom surface of the lower column should be rough treatment.
The connection node of the assembled concrete frame and the steel support comprises a precast beam main body and an embedded part which are connected with each other, wherein the embedded part comprises an embedded part bottom plate and an embedded part web plate which are connected with each other, and embedded part anchoring ribs are arranged at the embedded part bottom plate; the embedded part anchoring ribs are vertically welded to the embedded part base plate and embedded into the precast beam main body.
According to the connection node of the assembled concrete frame and the steel support, the embedded part web plate is vertically welded to the embedded part base plate, and the embedded part web plate is provided with an embedded part bolt hole; and is connected with the power-saving connecting piece through a detachable high-strength bolt.
A connected node of assembled concrete frame and steel shotcrete, the steel shotcrete is including the steel shotcrete main part, steel shotcrete connection end plate and the steel shotcrete connection otic placode that link to each other.
The connector anchor bars and embedment anchor bars have rough surfaces or are roughened to enhance bonding with concrete.
The utility model discloses the beneficial effect who reaches:
the utility model discloses a precast beam independently links to each other with the frame post through the node connecting plate respectively with the steel shotcrete, and the connection method is simple easily to be controlled, easily guarantees construction quality. The precast beam is connected with the frame column through the bolts, and when the precast beam is damaged, the precast beam can be independently maintained and replaced. Generally, the utility model provides an assembly type concrete frame and steel shotcrete's connected node has the succinct high-efficient of construction, the quality easily controls, shakes the easy prosthetic characteristics in back.
The utility model discloses only set up the post-cast strip between prefabricated post about, avoided a large amount of overhanging reserved steel bars, can prevent effectively that the emergence reinforcing bar from interfering in the regional installation of node from interfering, improve the construction convenience.
The utility model discloses a precast concrete roof beam, steel shotcrete adopt detachable connection to simplify the beam column node, reduce the construction degree of difficulty of assembled node, promote the efficiency of construction, reduce manpower resources cost, accelerate holistic project progress; the precast concrete beam connecting embedded parts are completely embedded into concrete and are installed to the side surface, so that the production difficulty of the precast concrete beam is reduced, and the problem of interference between longitudinal steel bars at the top of the precast concrete beam and the connecting embedded parts during field placement is solved; the precast concrete beam and the steel support are detachably connected, and can be replaced and repaired after being damaged by earthquake, so that the service life of the building is prolonged. By the technical method, the connecting node of the steel support and the precast concrete beam and column is optimized, so that the steel support can be widely applied to the fabricated concrete frame structure, and the lateral stiffness and stability of the structure are improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic of a steel support structure.
Fig. 3 is a front view of an embedment.
Fig. 4 is a top view of an embedment.
FIG. 5 is an elevation view of a node connector.
FIG. 6 is a top view of a node connection.
FIG. 7 is a schematic diagram of the prior art
In the figure: 1. supporting steel; 2. a concrete frame column; 3. prefabricating a beam by concrete; 4. a node connecting member; 5. a detachable pin shaft; 6. a detachable high-strength bolt; 11. a support body; 12. the steel support is connected with the end plate; 13. the steel support is connected with the lug plate; 131. a steel support pin shaft hole; 21. pre-preparing an upper column; 22. prefabricating a lower column; 23. post-pouring a belt of the frame column; 24. an adjustable connecting sleeve; 211. a first overhanging longitudinal bar; 221. a second externally extending longitudinal rib; 31. embedding parts; 32. prefabricating a beam main body; 311. a pre-embedded part base plate; 312. embedding part webs; 313. anchoring ribs of the embedded part; 314. embedding part bolt holes; 41. a connector base plate; 42. a connector web; 43. a connecting member stiffener; 44. the connecting piece anchors the rib; 421. a connecting piece pin shaft hole; 422. and a connecting piece bolt hole.
Detailed Description
The present invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 6, the connection node of the assembled concrete frame and the steel support comprises a steel support 1, a concrete frame column 2, a concrete precast beam 3 and a node connecting piece 4.
The concrete frame column 2 includes a prefabricated upper column 21, a prefabricated lower column 22, and a frame column post-cast strip 23. A first outward extending longitudinal rib 211 is arranged at the bottom of the prefabricated upper column 21, a second longitudinal rib 221 is arranged at the top of the prefabricated lower column 22, a threaded section is reserved between the first outward extending longitudinal rib 211 of the prefabricated upper column and the second outward extending longitudinal rib 221 of the prefabricated lower column, the first outward extending longitudinal rib 211 of the prefabricated upper column and the second outward extending longitudinal rib 221 of the prefabricated lower column are aligned with each other and connected through an adjustable connecting sleeve 24, and the prefabricated upper column 21 and the prefabricated lower column 22 are kept vertical by adjusting the adjustable connecting sleeve 24; and a frame column post-cast strip 23 is arranged between the prefabricated upper column 21 and the prefabricated lower column 22, cast-in-place concrete is cast in the frame column post-cast strip, and the bottom surface of the prefabricated upper column 21 and the top surface of the prefabricated lower column 22 are subjected to rough treatment to strengthen the bonding with the cast-in-place concrete in the frame column post-cast strip 23.
The node connector 4 comprises a connector base plate 41, a connector web 42, a connector stiffening rib 43 and a connector anchoring rib 44; the connecting piece bottom plate 41 is attached to the end face of the frame post-cast strip 23 and arranged, the connecting piece anchoring rib 44 is vertically welded to the connecting piece bottom plate 41, and the surface of the connecting piece anchoring rib 44 is subjected to rough treatment and is embedded into the frame post-cast strip 23; the connecting piece web 42 is vertically welded on the connecting piece bottom plate 41, the connecting piece web 42 is respectively provided with a connecting piece pin hole 421 and a connecting piece bolt hole 422, and the connecting piece bolt holes 422 can be arranged in multiple rows to enhance the transfer capability of bending moment; the connecting piece stiffening ribs 43 are symmetrically arranged on two sides of the connecting piece web plate 42 perpendicular to the connecting piece web plate 42, and the connecting piece stiffening ribs 43 are connected with the connecting piece web plate 42 and the connecting piece bottom plate 41 by welding.
The concrete precast beam 3 comprises an embedded part 31 and a precast beam main body 32, wherein the embedded part 31 comprises an embedded part base plate 311, an embedded part web plate 312 and embedded part anchoring ribs 313; the embedded part base plate 311 is attached to the end face of the precast beam main body 32 and arranged, the embedded part anchoring ribs 313 are vertically welded to the embedded part base plate 311, the surface of the embedded part anchoring ribs 313 is subjected to rough treatment and embedded into the precast beam main body 32, the embedded part web 312 is vertically welded to the embedded part base plate 311, and the embedded part web 312 is provided with embedded part bolt holes 314; the embedded part bolt holes 314 and the connecting piece bolt holes 422 are matched with each other and are connected through detachable high-strength bolts 6.
The steel support 1 comprises a steel support main body 11, a steel support connecting end plate 12 and a steel support connecting lug plate 13; the steel support connecting end plate 12 is perpendicular to the axial direction of the support main body 11 and is connected with the support main body 11 in a welding mode, the steel support connecting lug plate 13 is perpendicularly welded on the steel support connecting end plate 12, a steel support pin shaft hole 131 is formed in the steel support connecting lug plate 13, and the steel support pin shaft hole 131 is matched with the connecting piece pin shaft hole 421 and is connected with the connecting piece pin shaft hole 421 through the detachable pin shaft 5.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A connection node of an assembled concrete frame and a steel support comprises the concrete frame and the steel support and is characterized in that the concrete frame comprises a concrete frame column and a concrete precast beam which are connected, the concrete precast beam is connected with the steel support through a node connecting piece, and the node connecting piece is arranged in a manner of being attached to the concrete frame column; the node connecting piece comprises a connecting piece base plate and a connecting piece web plate which are connected with each other, and connecting piece anchoring ribs are arranged on the connecting piece base plate.
2. A fabricated concrete frame and steel bracing connection node according to claim 1, wherein the connector web is provided with connector stiffeners.
3. A fabricated concrete frame and steel support connection node as claimed in claim 1, wherein the concrete frame column comprises a prefabricated upper column, a frame column post-cast strip and a prefabricated lower column which are connected in sequence.
4. A fabricated concrete frame and steel bracing joint according to claim 3, wherein the column bottom of the prefabricated upper column is provided with a first outward extending longitudinal rib, the column top of the prefabricated lower column is provided with a second outward extending longitudinal rib, and the first outward extending longitudinal rib and the second outward extending longitudinal rib are aligned with each other and connected through an adjustable connecting sleeve.
5. A joint for a fabricated concrete frame and steel shotcrete according to claim 3, wherein the underside of the prefabricated upper column and the topside of the prefabricated lower column are roughened.
6. The connection node of the assembled concrete frame and the steel support according to claim 1, wherein the concrete precast beam comprises a precast beam main body and an embedded part which are connected with each other, the embedded part comprises an embedded part bottom plate and an embedded part web plate which are connected with each other, and embedded part anchoring ribs are arranged at the embedded part bottom plate; the embedded part anchoring ribs are vertically welded to the embedded part base plate and embedded into the precast beam main body.
7. The connection node of an assembled concrete frame and a steel support according to claim 6, wherein the embedded part web is vertically welded to an embedded part base plate, and the embedded part web is provided with embedded part bolt holes; and is connected with the power-saving connecting piece through a detachable high-strength bolt.
8. A fabricated concrete frame and steel shotcrete connection node as claimed in claim 1, wherein the steel shotcrete includes a main steel shotcrete body, a steel shotcrete connection end plate and a steel shotcrete connection lug connected thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222093796.2U CN218091303U (en) | 2022-08-10 | 2022-08-10 | Assembled concrete frame and steel shotcrete's connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222093796.2U CN218091303U (en) | 2022-08-10 | 2022-08-10 | Assembled concrete frame and steel shotcrete's connected node |
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| CN218091303U true CN218091303U (en) | 2022-12-20 |
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| CN202222093796.2U Active CN218091303U (en) | 2022-08-10 | 2022-08-10 | Assembled concrete frame and steel shotcrete's connected node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007835A (en) * | 2024-04-08 | 2024-05-10 | 山东大学 | Connecting node of concrete member and steel support piece |
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- 2022-08-10 CN CN202222093796.2U patent/CN218091303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007835A (en) * | 2024-04-08 | 2024-05-10 | 山东大学 | Connecting node of concrete member and steel support piece |
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