CN217001018U - Be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure - Google Patents
Be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure Download PDFInfo
- Publication number
- CN217001018U CN217001018U CN202220289085.XU CN202220289085U CN217001018U CN 217001018 U CN217001018 U CN 217001018U CN 202220289085 U CN202220289085 U CN 202220289085U CN 217001018 U CN217001018 U CN 217001018U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- concrete
- existing
- newly
- secondary beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The reinforcing structure is suitable for the connecting nodes of the new and old concrete primary and secondary beams, the connecting nodes of the old concrete primary and secondary beams comprise an existing concrete main beam and an existing concrete secondary beam which are vertically connected with each other, and steel plates are wrapped outside the beam top, the beam side and the beam bottom of the existing concrete main beam; the new concrete primary and secondary beam connecting node comprises mutually perpendicular's newly-increased concrete secondary beam and the existing concrete main beam, and the reinforced structure includes welded beam, a plurality of steel sheet and a plurality of chemical crab-bolt, and welded beam wherein imbeds inside newly-increased concrete secondary beam, and welded beam one end is connected perpendicularly on existing main beam side direction steel sheet. The embedded welding beam can effectively solve the anchoring problem of the longitudinal steel bars of the newly added concrete secondary beam and effectively improve the shearing resistance of the primary and secondary beam nodes; through for existing girder and newly-increased secondary roof beam outsourcing steel sheet, strengthened the whole atress performance of primary and secondary roof beam node for the atress is more even, safe and reliable, easy operation.
Description
Technical Field
The application relates to building structure technical field, especially relates to a be applicable to new and old concrete primary and secondary beam connected node reinforced structure.
Background
The main beam is a main framework for bearing the structural safety of the whole building, is an essential component for meeting the requirements of strength and stability, and has higher strength requirement. The secondary beam is a secondary framework arranged for meeting the building requirements (such as functional area division) and the effective connection of the main beam, the column and the like, and emphasizes the structural requirements. The position where the main beam is connected with the secondary beam is a connecting node. With the increasing of building transformation projects, a concrete secondary beam needs to be added to an original structure to meet the requirement of increasing building functions. When newly increasing concrete secondary beam also relate to the reinforcement of primary and secondary roof beam connected node.
In the traditional node reinforcement mode at present, a large number of newly-increased secondary beams are connected with an original main beam in a bar planting mode, but the method can generate a large number of bar planting holes in the connection area of the main beam and the secondary beams, so that the original structure is greatly damaged, and the method is not suitable for ensuring the reliable connection of the primary beam and the secondary beam connection nodes. Therefore, the steel bar planting of the structural node is reduced, the shearing resistance of the node is enhanced, and the bearing capacity of the structural node is improved.
SUMMERY OF THE UTILITY MODEL
The application provides a be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure to solve the poor problem of the connected reliability of the primary and secondary roof beam connected node that current node reinforcement mode exists.
The technical scheme adopted by the application is as follows:
a new connection node comprises a newly added concrete secondary beam and an existing concrete main beam which are perpendicular to each other, wherein the newly added concrete secondary beam is opposite to the existing concrete secondary beam, a newly added concrete slab is arranged on the top of the newly added concrete secondary beam, and the newly added concrete slab is connected with the existing concrete slab;
reinforced structure includes welding roof beam, a plurality of steel sheet and a plurality of chemical crab-bolt, specifically does:
the existing main beam lateral steel plates arranged on two sides of the existing concrete main beam are mutually fixed in a counter-pulling manner through chemical anchor bolts; arranging an existing girder top steel plate at the top of the existing concrete slab and the part of the existing concrete slab, which is overlapped with the existing concrete girder, arranging an existing slab bottom steel plate at the bottom of the existing concrete slab, and fixing the existing slab bottom steel plate and the existing girder top steel plate in a counter-pulling manner through a chemical anchor bolt; an existing main beam bottom steel plate is arranged at the bottom of the existing concrete main beam;
the existing plate bottom steel plate and the existing main beam bottom steel plate are respectively and vertically welded with the existing main beam lateral steel plate;
the welding beam is embedded in the newly-added concrete secondary beam, and one end of the welding beam is vertically connected to the lateral steel plate of the existing main beam.
Furthermore, the welding beam is a T-shaped welding beam and comprises a transverse steel plate and a longitudinal steel plate, wherein one end of the longitudinal steel plate is vertically connected to the middle of the transverse steel plate;
the welding beam embedded in the newly added concrete secondary beam comprises a first T-shaped welding beam and a second T-shaped welding beam, the longitudinal steel plates of the first T-shaped welding beam and the second T-shaped welding beam are opposite, and the first T-shaped welding beam is close to the beam top of the newly added concrete secondary beam; the second T-shaped welding beam is close to the beam bottom of the newly added concrete secondary beam;
and a plurality of newly added concrete longitudinal ribs are welded on the second T-shaped welding beam and the transverse steel plate of the second T-shaped welding beam.
Furthermore, the newly added secondary beam lateral steel plates arranged on two sides of the newly added concrete secondary beam are mutually fixed in a counter-pulling manner through chemical anchor bolts; a newly added secondary beam top steel plate is arranged on the top of the newly added concrete slab and the part of the newly added concrete secondary beam overlapping with the newly added secondary beam; a newly added slab bottom steel plate is arranged at the bottom of the newly added concrete slab, and the newly added secondary beam top steel plate and the newly added slab bottom steel plate are fixed in a counter-pulling manner through chemical anchor bolts; a newly-added secondary beam bottom steel plate arranged at the beam bottom of the newly-added concrete secondary beam is welded with the newly-added secondary beam lateral steel plate;
and the newly added plate bottom steel plate and the newly added secondary beam bottom steel plate are respectively and vertically welded with the newly added secondary beam lateral steel plate.
Furthermore, the existing main beam lateral steel plate and the existing main beam bottom steel plate are respectively bonded with the existing concrete main beam through structural adhesives;
the existing girder top steel plate and the existing slab bottom steel plate are respectively bonded with the existing concrete slab through structural adhesives;
the newly added secondary beam lateral steel plate and the newly added secondary beam bottom steel plate are respectively bonded with the newly added concrete secondary beam through structural adhesives;
and the newly added secondary beam top steel plate and the newly added plate bottom steel plate are respectively bonded with the newly added concrete plate through structural adhesives.
Furthermore, the newly-added secondary beam top steel plate and the existing main beam top steel plate are positioned on the same horizontal plane, and one ends of the newly-added secondary beam top steel plate and the existing main beam top steel plate, which are in contact with each other, are welded;
one end of the lateral steel plate of the newly added secondary beam, which is close to the existing concrete main beam, is vertically welded with the lateral steel plate of the existing main beam;
the newly-added secondary beam bottom steel plate is perpendicular to the existing main beam lateral steel plate, and the newly-added secondary beam bottom steel plate is close to one end of the existing concrete main beam and welded with the existing main beam lateral steel plate.
Further, performing chiseling treatment on the area, connected with the existing main beam top steel plate, of the existing concrete plate and the area, connected with the existing plate bottom steel plate, of the existing concrete plate;
and performing chiseling treatment on the areas, connected with the existing main beam top steel plate, of the existing concrete slabs and the areas connected with the existing slab bottom steel plate.
The technical scheme of the application has the following beneficial effects:
the embedded welding beam can effectively solve the anchoring problem of the longitudinal steel bars of the newly added concrete secondary beam and effectively improve the shearing resistance of the primary and secondary beam nodes; through being existing concrete girder and newly-increased concrete secondary beam outsourcing steel sheet, strengthened the whole atress performance of primary and secondary beam node for the atress is more even, safe and reliable, easy operation.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view between an existing concrete main beam and an existing concrete secondary beam;
FIG. 2 is a schematic structural diagram of a new concrete secondary beam and a new concrete slab;
FIG. 3 is a schematic top view of a new and old concrete primary and secondary beam connection node reinforcing structure;
FIG. 4 is a schematic front view of a reinforcing structure suitable for a connecting joint of a new concrete primary beam and an old concrete secondary beam;
FIG. 5 is a right-view schematic diagram of a new and old concrete primary and secondary beam connection joint reinforcing structure;
FIG. 6 is a view of FIG. 3a-aA schematic cross-sectional view;
illustration of the drawings:
wherein, 1 is existing concrete girder, 2 is existing concrete secondary beam, 3 is existing concrete slab, 4 is newly-increased concrete secondary beam, 5 is new concrete slab, 6 is T shape welded beam, 7 is the muscle is indulged to newly-increased concrete, 8 is existing girder side direction steel sheet, 9 is existing girder top steel sheet, 10 is steel sheet at the bottom of the existing girder, 11 is steel sheet at the bottom of the existing board, 12 is newly-increased secondary beam side direction steel sheet, 13 is newly-increased secondary beam top steel sheet, 14 is newly-increased secondary beam bottom steel sheet, 15 is steel sheet at the bottom of the newly-increased board, 16 is the chemical crab-bolt.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood and make the above objects, features and advantages of the embodiments of the present application more comprehensible, the technical solutions in the embodiments of the present application are described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view between an existing concrete main beam and an existing concrete secondary beam; FIG. 2 is a schematic structural diagram of a new concrete secondary beam and a new concrete slab; FIG. 3 is a schematic top view of a new and old concrete primary and secondary beam connection node reinforcing structure; FIG. 4 is a schematic front view of a reinforcing structure suitable for a connecting joint of a new concrete primary beam and an old concrete secondary beam; FIG. 5 is a right-side schematic view of a reinforcing structure suitable for a connecting joint of a new concrete primary beam and an old concrete secondary beam; FIG. 6 is a view of FIG. 3a-aA schematic cross-sectional view.
Example one
The reinforcing structure is suitable for the connecting node of the new and old concrete primary and secondary beams, the connecting node of the old concrete primary and secondary beams comprises an existing concrete primary beam 1 and an existing concrete secondary beam 2 which are vertically connected with each other, and the beam tops of the existing concrete primary beam 1 and the existing concrete secondary beam 2 are both connected with an existing concrete slab 3; the new concrete primary and secondary beam connecting node comprises a new concrete secondary beam 4 and an existing concrete main beam 1 which are perpendicular to each other, the new concrete secondary beam 4 is opposite to the existing concrete secondary beam 2, a new concrete slab 5 is arranged on the top of the new concrete secondary beam 4, and the new concrete slab 5 is welded with the existing concrete slab 3.
The reinforcing structure of this application includes welded beam 6, a plurality of steel sheet and a plurality of chemical crab-bolt 16, specifically is:
the existing main beam lateral steel plates 8 arranged on two sides of the existing concrete main beam 1 are mutually fixed in a mutual opposite pulling way through chemical anchor bolts 16; the method comprises the following steps that an existing girder top steel plate 9 is arranged on the top of an existing concrete slab 3 and the part of the existing concrete slab 1, which is overlapped with an existing concrete girder 1, an existing slab bottom steel plate 11 is arranged at the bottom of the existing concrete slab 3, and the existing slab bottom steel plate 11 and the existing girder top steel plate 9 are fixed in a counter-pulling mode through a chemical anchor bolt 16; an existing main beam bottom steel plate 10 is arranged at the beam bottom of an existing concrete main beam 1;
the existing plate bottom steel plate 11 and the existing main beam bottom steel plate 10 are respectively and vertically welded with the existing main beam lateral steel plate 8;
the welded beam 6 is embedded in the newly-added concrete secondary beam 4, and one end of the welded beam 6 is vertically connected to the lateral steel plate 8 of the existing main beam.
In the embodiment, the welding beam 6 is additionally arranged at the connecting node formed by the existing concrete main beam 1 and the newly-added concrete secondary beam 4, the problem of anchoring the longitudinal steel bars of the newly-added concrete secondary beam 4 is effectively solved, and the anti-shearing capacity of the connecting node of the main beam and the secondary beam is improved.
Example two
On the basis of the first embodiment, the welding beam 6 in the embodiment is a T-shaped welding beam, and comprises a transverse steel plate and a longitudinal steel plate, wherein one end of the longitudinal steel plate is vertically connected to the middle part of the transverse steel plate;
the welded beam 6 embedded in the newly added concrete secondary beam 4 comprises a first T-shaped welded beam and a second T-shaped welded beam, the longitudinal steel plates of the first T-shaped welded beam and the second T-shaped welded beam are opposite, the first T-shaped welded beam is close to the top of the newly added concrete secondary beam 4, and the second T-shaped welded beam is close to the bottom of the newly added concrete secondary beam 4;
and a plurality of newly-added concrete longitudinal ribs 7 are welded on the transverse steel plates of the first T-shaped welding beam and the first T-shaped welding beam. A plurality of newly-added concrete longitudinal bars 7 are welded on the transverse steel plates of the second T-shaped welded beam and the second T-shaped welded beam, so that the purpose of further reinforcing the primary and secondary concrete beams is achieved.
EXAMPLE III
On the basis of the second embodiment, the second embodiment further comprises that the existing main beam lateral steel plate 8 and the existing main beam bottom steel plate 10 are respectively bonded with the existing concrete main beam 1 through structural adhesive;
the existing girder top steel plate 9 and the existing slab bottom steel plate 11 are respectively bonded with the existing concrete slab 3 through structural adhesives;
the newly added secondary beam lateral steel plate 12 and the newly added secondary beam bottom steel plate 14 are respectively bonded with the newly added concrete secondary beam 4 through structural adhesive;
the newly added secondary beam top steel plate 13 and the newly added plate bottom steel plate 15 are respectively bonded with the newly added concrete plate 5 through structural adhesive.
The newly added secondary beam top steel plate 13 and the existing main beam top steel plate 9 are positioned on the same horizontal plane, and one end of the newly added secondary beam top steel plate, which is in contact with the existing main beam top steel plate, is welded;
one end of the newly added secondary beam lateral steel plate 12 close to the existing concrete main beam 1 is vertically welded with the existing main beam lateral steel plate 8;
the newly-added secondary beam bottom steel plate 14 is perpendicular to the existing main beam lateral steel plate, and one end, close to the existing concrete main beam 1, of the newly-added secondary beam bottom steel plate 14 is welded with the existing main beam lateral steel plate 8.
In the above embodiments, when the steel plate is added, the corresponding area needs to be chiseled, and the chiseling is to use a tool of a "chopping axe" to chisel a dent on the finished concrete structural surface, so as to firmly bond the construction surfaces of the two construction stages. Specifically, roughening treatment is carried out on the area of an existing concrete plate 3 connected with an existing girder top steel plate 9 and the area of an existing plate bottom steel plate 11;
the areas where the existing concrete slabs 3 are connected to the existing girder top steel plates 9 and the areas where the existing slab bottom steel plates 11 are connected are roughened.
The chemical anchor bolts 16 in the above embodiments are formed by cementing and fixing the screws in the concrete base material drilled holes by using a special chemical adhesive, so as to realize anchoring connection between the existing concrete main beam 1 and the steel plate and between the newly added concrete secondary beam 4 and the steel plate. The chemical anchor bolt 16 has the advantages of strong anchoring force, embedded shape, no expansion stress, small edge distance, quick installation, quick solidification, construction time saving and the like.
On the basis of embodiment one and two, this embodiment is at roof beam top, beam bottom and the roof beam side respectively outsourcing steel sheet of existing concrete girder 1 and newly-increased concrete secondary beam 4 to it is fixed to draw through welded connection or through chemical crab-bolt 16 with the steel sheet, this has effectively strengthened the whole atress performance of primary and secondary beam connected node, makes the atress more even, safe and reliable.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (6)
1. A reinforced structure suitable for connecting nodes of a new concrete primary beam and an old concrete secondary beam is characterized in that the connecting nodes of the new concrete primary beam and the old concrete secondary beam comprise newly increased concrete secondary beams and the existing concrete primary beams which are perpendicular to each other, the newly increased concrete secondary beams are opposite to the existing concrete secondary beams, newly increased concrete plates are arranged on the tops of the newly increased concrete secondary beams, and the newly increased concrete plates are connected with the existing concrete plates;
reinforced structure includes welding roof beam, a plurality of steel sheet and a plurality of chemical crab-bolt, specifically does:
the existing main beam lateral steel plates arranged on two sides of the existing concrete main beam are mutually fixed in a counter-pulling manner through chemical anchor bolts; arranging an existing main beam top steel plate on the existing concrete slab top and the part overlapped with the existing concrete girder, arranging an existing slab bottom steel plate at the bottom of the existing concrete slab, and fixing the existing slab bottom steel plate and the existing main beam top steel plate in a counter-pulling manner through chemical anchor bolts; an existing main beam bottom steel plate is arranged at the bottom of the existing concrete main beam;
the existing plate bottom steel plate and the existing main beam bottom steel plate are respectively and vertically welded with the existing main beam lateral steel plate;
the welding beam is embedded in the newly-added concrete secondary beam, and one end of the welding beam is vertically connected to the lateral steel plate of the existing main beam.
2. The new and old concrete primary and secondary beam connection node reinforcing structure according to claim 1,
the welding beam is a T-shaped welding beam and comprises a transverse steel plate and a longitudinal steel plate, wherein one end of the longitudinal steel plate is vertically connected to the middle of the transverse steel plate;
the welded beam embedded in the newly added concrete secondary beam comprises a first T-shaped welded beam and a second T-shaped welded beam, the longitudinal steel plates of the first T-shaped welded beam and the second T-shaped welded beam are opposite, the first T-shaped welded beam is close to the top of the newly added concrete secondary beam, and the second T-shaped welded beam is close to the bottom of the newly added concrete secondary beam;
and a plurality of newly added concrete longitudinal ribs are welded on the second T-shaped welding beam and the transverse steel plate of the second T-shaped welding beam.
3. The new and old concrete primary and secondary beam connection node reinforcing structure according to claim 2,
the newly added secondary beam lateral steel plates arranged on two sides of the newly added concrete secondary beam are mutually fixed in a counter-pulling manner through chemical anchor bolts; a newly added secondary beam top steel plate is arranged on the top of the newly added concrete slab and the part of the newly added concrete secondary beam overlapping with the newly added secondary beam; a newly added slab bottom steel plate is arranged at the bottom of the newly added concrete slab, and the newly added secondary beam top steel plate and the newly added slab bottom steel plate are fixed in a counter-pulling manner through chemical anchor bolts; a newly-added secondary beam bottom steel plate arranged at the beam bottom of the newly-added concrete secondary beam is connected with the newly-added secondary beam lateral steel plate;
and the newly added plate bottom steel plate and the newly added secondary beam bottom steel plate are respectively and vertically welded with the newly added secondary beam lateral steel plate.
4. The new and old concrete primary and secondary beam connection node reinforcing structure according to claim 3,
the existing main beam lateral steel plate and the existing main beam bottom steel plate are respectively bonded with the existing concrete main beam through structural adhesive;
the existing girder top steel plate and the existing slab bottom steel plate are respectively bonded with the existing concrete slab through structural adhesives;
the newly added secondary beam lateral steel plate and the newly added secondary beam bottom steel plate are respectively bonded with the newly added concrete secondary beam through structural adhesives;
and the newly added secondary beam top steel plate and the newly added plate bottom steel plate are respectively bonded with the newly added concrete plate through structural adhesives.
5. The new and old concrete primary and secondary beam connection node reinforcing structure according to claim 3,
the newly-added secondary beam top steel plate and the existing main beam top steel plate are positioned on the same horizontal plane, and the contact ends of the newly-added secondary beam top steel plate and the existing main beam top steel plate are welded;
one end of the lateral steel plate of the newly added secondary beam, which is close to the existing concrete main beam, is vertically welded with the lateral steel plate of the existing main beam;
the newly-added secondary beam bottom steel plate is perpendicular to the existing main beam lateral steel plate, and one end, close to the existing concrete main beam, of the newly-added secondary beam bottom steel plate is welded with the existing main beam lateral steel plate.
6. The primary and secondary beam connection node reinforcing structure suitable for new and old concrete according to claim 3,
performing chiseling treatment on the area of the existing concrete slab connected with the existing girder top steel plate and the area connected with the existing slab bottom steel plate;
and performing chiseling treatment on the area of the existing concrete slab connected with the existing girder top steel plate and the area connected with the existing slab bottom steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289085.XU CN217001018U (en) | 2022-02-14 | 2022-02-14 | Be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289085.XU CN217001018U (en) | 2022-02-14 | 2022-02-14 | Be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217001018U true CN217001018U (en) | 2022-07-19 |
Family
ID=82393658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220289085.XU Active CN217001018U (en) | 2022-02-14 | 2022-02-14 | Be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217001018U (en) |
-
2022
- 2022-02-14 CN CN202220289085.XU patent/CN217001018U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107130716B (en) | Post-pouring tooth slot connection assembly type building roof | |
| CN212582889U (en) | Splicing reinforced building beam column joint connecting structure | |
| CN210421448U (en) | Connection node of assembled girder and two side secondary girders | |
| CN107130734B (en) | Corrugated plate dst Horizontal H-shaped structure beam and its construction method | |
| CN210238768U (en) | Prefabricated assembled concrete rectangular beam column connected node | |
| CN217001018U (en) | Be applicable to new and old concrete primary and secondary roof beam connected node reinforced structure | |
| CN210976073U (en) | Steel tube bundle combined shear wall and steel beam connecting node | |
| CN216787643U (en) | Steel beam with mutual butt joint structure | |
| CN217001017U (en) | Be applicable to new and old concrete beam column node reinforced structure | |
| CN218346250U (en) | Connecting structure of crossbeam-free high-penetrating V-shaped column joint | |
| CN206681262U (en) | A kind of prefabricated Concrete-Filled Square Steel Tube coupling beam of multilayer | |
| CN210508035U (en) | Assembly type combination beam secondary beam structure | |
| CN114753489A (en) | Prefabricated beam column node and novel assembled reinforced concrete building thereof | |
| CN210767230U (en) | Full-assembly type functional restorable RCS node with supporting connection | |
| CN113802741A (en) | Pin shear connection assembly type beam-slab combination system based on orthogonal corrugated steel plate bending-resistant tie-bar composite floor slab | |
| CN209799123U (en) | Laminated plate | |
| CN219825584U (en) | Frame type beam column node | |
| CN217680821U (en) | Prefabricated assembled stand board connection structure | |
| CN110344528B (en) | Connecting node for reinforcing integrity of assembled floor slab | |
| CN210216718U (en) | Primary and secondary beam joint suitable for prefabricated concrete structure | |
| CN218622757U (en) | Heat preservation and insulation wall panel for steel structure building | |
| CN213925826U (en) | T-shaped beam bridge diaphragm | |
| CN213142761U (en) | Steel structure web for bridge engineering | |
| CN218264498U (en) | Laminated slab with steel pipe truss | |
| CN219011476U (en) | Assembled beam column connected node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |