CN213115027U - Connection structure of steel skeleton beam and column joint area - Google Patents
Connection structure of steel skeleton beam and column joint area Download PDFInfo
- Publication number
- CN213115027U CN213115027U CN202021494598.1U CN202021494598U CN213115027U CN 213115027 U CN213115027 U CN 213115027U CN 202021494598 U CN202021494598 U CN 202021494598U CN 213115027 U CN213115027 U CN 213115027U
- Authority
- CN
- China
- Prior art keywords
- roof beam
- stirrup
- beam longitudinal
- connection structure
- steel
- 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
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a connection structure of a steel beam and a column joint area, which comprises a plurality of groups of closed stirrup assemblies, a plurality of rows of X-direction beam longitudinal bars, a plurality of rows of Y-direction beam longitudinal bars and stiffening plates, wherein the groups of closed stirrup assemblies, the rows of X-direction beam longitudinal bars, the rows of Y-direction beam longitudinal bars and the stiffening plates are arranged in the beam and column joint area; the outer row of X is buckled to the outside of roof beam longitudinal muscle from outer row of Y to roof beam longitudinal muscle and is passed, and the X of inner row is straight passed to the inboard of roof beam longitudinal muscle from the Y of inner row to roof beam longitudinal muscle, and Y is buckled to the roof beam longitudinal muscle respectively from the outside of sleeve stiffening plate and the inboard of sleeve stiffening plate and is passed. The utility model has the characteristics of improve concrete placement quality and improve work efficiency.
Description
Technical Field
The utility model relates to a building structure, especially a connection structure in reinforcing bar roof beam and post node region.
Background
With the increasing number of construction projects and the diversification of construction forms at the present stage, steel reinforced beams and steel reinforced columns are increasingly applied to large-span and large-load engineering projects. The steel skeleton beam and the steel skeleton column structural member organically combine the respective advantages of the steel structure and the concrete, so that the steel skeleton beam and the steel skeleton column structural member can bear larger load. In the structural design of the steel reinforced beam and the steel reinforced column, the design of the complex joint for connecting the beam and the column is a big difficulty. On one hand, the steel rib beam and the column are connected with the node, the three materials of the steel bar, the steel rib and the concrete are involved, the stress at the node is complex, and the shearing force, the bending moment, the axial force and the torque are comprehensively involved, so that certain difficulty is brought to theoretical analysis; on the other hand, at the joint of the steel beam and the column, the beam column steel rib, the stiffening plates, the column longitudinal ribs, the column stirrups, the beam longitudinal ribs, the beam waist ribs and the like are complicated and complicated, concrete pouring is difficult, and the column closed stirrups need to pass through the four stiffening plates, so that the construction process is very complicated, and the construction period is prolonged.
The existing conventional structure of the steel skeleton beam and the column joint area center column stirrup is as follows: the concrete pouring device is characterized in that a plurality of groups of stirrup assemblies are arranged, the distance between the stirrup assemblies is not more than 100mm, the distance between limbs of the stirrup assemblies is small, as shown in figure 1, the node areas of beams 1-1 and columns 2-1 are complicated, the distances between the beam column steel ribs, the stiffening plates, the column longitudinal ribs, the column stirrups, the beam longitudinal ribs, the beam waist ribs and the like are too tight, the closed stirrup assemblies 3-1 are too tight in the node areas, the distances between the limbs are too tight, the concrete pouring is easy to loose, the concrete pouring quality is reduced, and the beam steel ribs are damaged greatly due to too tight perforation distances of the stirrups.
And because the closed stirrup component 3-1 needs to penetrate through the steel skeleton beam, the closed stirrup needs to be divided into four independent L-shaped reinforcing steel bars, then the four L-shaped independent reinforcing steel bars are welded in pairs to form the closed stirrup, the closed stirrup penetrating through the steel skeleton beam needs to be welded for four times, the on-site welding workload is large, the civil engineering construction period is prolonged, and the working efficiency is reduced.
To the mode of arranging of roof beam vertical bar and stiffened plate, the roof beam vertical bar that generally is a direction among the prior art is straight to be passed, and the roof beam vertical bar of another direction buckles and passes, to thick reinforcing bar diameter (for example the diameter is 40 mm's reinforcing bar), adopts this kind of connected mode often to need can guarantee the protective layer thickness of buckling the roof beam vertical bar after the column boundary beam adds the armpit, and the construction is troublesome, efficiency reduces.
Therefore, the conventional steel reinforced beam and column joint area column stirrup has the problems of reduced concrete pouring quality and reduced working efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connection structure in reinforcing bar roof beam and post node region. The utility model has the characteristics of improve concrete placement quality, reduce to roof beam reinforcing bar damage and improve work efficiency.
The technical scheme of the utility model: the connecting structure of the steel skeleton beam and the column joint area comprises a plurality of groups of closed stirrup assemblies, a plurality of rows of X-direction beam longitudinal bars, a plurality of rows of Y-direction beam longitudinal bars and stiffening plates, wherein the closed stirrup assemblies are arranged in the beam and column joint area, the stiffening plates comprise sleeve stiffening plates and steel beam stiffening plates, each closed stirrup assembly comprises a rectangular stirrup and an octagonal stirrup, each rectangular stirrup and each octagonal stirrup comprises four independent L-shaped steel bars, two groups of groove-shaped steel bars are formed by welding two pairs of L-shaped steel bars, and the two groups of groove-shaped steel bars are mechanically connected through a connecting piece; the outer row of X is buckled to the outside of roof beam longitudinal muscle from outer row of Y to roof beam longitudinal muscle and is passed, and the X of inner row is straight passed to the inboard of roof beam longitudinal muscle from the Y of inner row to roof beam longitudinal muscle, and Y is buckled to the roof beam longitudinal muscle respectively from the outside of sleeve stiffening plate and the inboard of sleeve stiffening plate and is passed.
The space formed between the adjacent closed stirrup components is 110-130mm, and the diameters of the L-shaped reinforcing steel bars are 16-25 mm.
In the connection structure between the steel skeleton beam and the column joint area, the distance between the adjacent closed stirrup components is 120mm, and the diameter of each L-shaped steel bar is 18 mm.
In the connection structure of the steel skeleton beam and the column joint region, the mechanical connection includes sleeve extrusion connection, taper thread connection or straight thread connection.
In the connection structure between the steel skeleton beam and the column joint region, the stiffening plates are in a cross shape, and the cross-shaped intersections of the stiffening plates form a fillet structure.
In the aforementioned connection structure of steel skeleton roof beam and column node region, be equipped with web in the roof beam, web's both sides are equipped with a plurality of lacing wires of symmetry, and the one end and the beam lateral wall of lacing wire are connected, and the other end and the web of lacing wire are connected, and the lacing wire is equipped with the waist muscle with the one end of being connected with web of beam side, and the one end that lacing wire and web of beam are connected is equipped with the constructional steel muscle.
Compared with the prior art, the utility model discloses an improvement at the stirrup structure in reinforcing bar roof beam, post nodal area, on the one hand reduce the intensive degree of stirrup, make things convenient for concrete placement, be favorable to concrete placement's closely knit degree, improve concrete placement quality to reduce the perforation density of stirrup to the roof beam reinforcing bar, reduce to the roof beam reinforcing bar damage degree; on the other hand, the on-site welding quantity of the steel bars can be reduced, the working efficiency is improved, the construction period is shortened, and the construction time cost is saved.
Through the improvement of the connection arrangement mode of the beam longitudinal bars and the stiffening plates in the steel reinforced beam and column joint areas, the protective layer thickness of the beam longitudinal bars can be guaranteed, beam haunches are avoided, construction is greatly facilitated, the construction efficiency is improved, and meanwhile the requirements of buildings can be met.
Therefore, the utility model has the characteristics of improve concrete placement quality and improve work efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a conventional steel skeleton beam, a column stirrup in a column joint area;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic view of a connection structure of rectangular stirrups;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a schematic view of the construction of a stiffener;
fig. 6 is a cross-sectional view B-B of fig. 1.
The labels in the figures are: 1-1, a beam; 2-1, column; 3-1, closing the stirrup component; 1. a beam; 2. a column; 3. closing the stirrup assembly; 4. a rectangular stirrup; 5. octagonal stirrups; 6. l-shaped reinforcing steel bars; 7. longitudinal ribs of the beam in the X direction; 8. y-direction beam longitudinal ribs; 9. a sleeve stiffener plate; 10. a web; 11. stretching a rib; 12. waist tendon; 13. constructing a steel bar; 14. the steel beam adds the stiffening plate.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples
As shown in fig. 2-3, the connection structure of the steel skeleton beam and the column node region includes a plurality of groups of closed stirrup assemblies 3, a plurality of rows of X-direction beam longitudinal bars 7, a plurality of rows of Y-direction beam longitudinal bars 8 and stiffening plates arranged in the beam 1 and column 2 node region, each stiffening plate includes a sleeve stiffening plate 9 and a steel girder stiffening plate 14, the space formed between adjacent closed stirrup assemblies 3 is 110 and 130mm, preferably 120mm, each closed stirrup assembly 3 is composed of a rectangular stirrup 4 and an octagonal stirrup 5, each rectangular stirrup 4 and the octagonal stirrup 5 is composed of four independent L-shaped steel bars 6, two groups of groove-shaped steel bars 6 are welded between every two groups of L-shaped steel bars 6, the two groups of groove-shaped steel bars are mechanically connected through connectors, and the diameter of each L-shaped steel bar 6 is 16-25mm, preferably 18 mm. The limb distance of the closed stirrup component 3 is a limb hoop.
Increase the interval of adjacent closed stirrup subassembly 3 by original 100mm to 120mm, the reinforcing bar diameter of closing stirrup subassembly 3 is revised as 18mm from original 12mm, limb apart from being revised as four limbs apart from original six limbs, through the area equivalence principle, optimize and improve reinforcing bar 1, post 2 nodal point district stirrup interval and limb apart from, a large amount of stirrups have been got rid of, with the intensity that reduces nodal point district reinforcing bar, save the stirrup material, still be favorable to concrete placement's closely knit degree, guarantee the quality of pouring of nodal point district concrete, and reduce the perforation density of stirrup to the roof beam reinforcing bar, reduce to roof beam reinforcing bar damage degree.
In addition, the connection form of the steel bars in the stirrups in the joint areas of the steel skeleton beam 1 and the column 2 is improved, namely, the stirrups in the prior art are all welded structures, and the two-position welding and two-position mechanical connection structures of the stirrups are changed, so that the welding amount of the steel bars on site is reduced, the working efficiency is improved, and the construction period is shortened.
The octagonal stirrup 5 is arranged inside the rectangular stirrup 4, and the bevel edge of the octagonal stirrup 5 is positioned at the diagonal angle of the rectangular stirrup 4.
The mechanical connection comprises a sleeve compression connection, a tapered threaded connection or a straight threaded connection.
As shown in fig. 4 to 6, the outer row of X-direction beam longitudinal ribs 7 is bent and passed through from the outer row of Y-direction beam longitudinal ribs 8, the inner row of X-direction beam longitudinal ribs 7 is straight and passed through from the inner side of the inner row of Y-direction beam longitudinal ribs 8, and the Y-direction beam longitudinal ribs 8 are bent and passed through from the outer side of the sleeve stiffener 9 and the inner side of the sleeve stiffener 9, respectively.
In this embodiment, two rows of X-direction beam longitudinal ribs 7 and two rows of Y-direction beam longitudinal ribs 8 are arranged on the upper layer of the steel skeleton beam and column node region, the outer row of X-direction beam longitudinal ribs 7 is bent and passed from the outer row of Y-direction beam longitudinal ribs 8, the inner row of X-direction beam longitudinal ribs 7 is bent and passed from the inner row of Y-direction beam longitudinal ribs 8, the outer row of Y-direction beam longitudinal ribs 8 is bent and passed from the outer side of the sleeve stiffening plate 9, and the inner row of Y-direction beam longitudinal ribs 8 is bent and passed from the inner side of the sleeve stiffening plate 9.
The lower layer of the steel skeleton beam and column joint area is provided with two rows of X-direction beam longitudinal ribs 7 and two rows of Y-direction beam longitudinal ribs 8 which are symmetrically arranged with the upper layer.
The stiffening plates are in a cross shape, and the cross-shaped cross positions of the steel beam stiffening plates form fillet structures. The width of the stiffening plate is equal to the width of the flange of the beam steel, so that the transmission of internal force is not influenced, the process of keeping grouting holes in the stiffening plate is not needed, and the concrete pouring in a node area is facilitated due to the fact that the area is reduced, and the construction is convenient.
Be equipped with web 10 in the roof beam 1, the both sides of web 10 are equipped with a plurality of lacing wires 11 of symmetry, and the one end and the 1 lateral wall of roof beam of lacing wire 11 are connected, and the other end and the web 10 of roof beam of lacing wire 11 are connected, and lacing wire 11 is equipped with waist muscle 12 with the one end of being connected with 1 lateral wall of roof beam, and the one end that lacing wire 11 and web 10 are connected is equipped with construction reinforcing bar 13. The diameter of the construction steel bar may be chosen to be 12 mm. The lacing wire 11 does not penetrate through the beam web 10, so that the damage to the beam web 10 is reduced, the on-site drag hook treatment of the lacing wire is not needed, the construction is greatly facilitated, and the time is saved.
The part of the utility model not detailed is prior art.
Claims (6)
1. Steel skeleton roof beam and regional connection structure of post node, including setting up at roof beam (1), a plurality of groups of post (2) node region and seal stirrup subassembly (3), a plurality of rows of X to roof beam longitudinal rib (7), a plurality of rows of Y to roof beam longitudinal rib (8) and stiffening plate, the stiffening plate includes sleeve stiffening plate (9) and girder steel stiffening plate (14), its characterized in that: the closed stirrup assembly (3) is composed of a rectangular stirrup (4) and an octagonal stirrup (5), the rectangular stirrup (4) and the octagonal stirrup (5) are composed of four independent L-shaped steel bars (6), two groups of groove-shaped steel bars are formed by welding every two L-shaped steel bars (6), and the two groups of groove-shaped steel bars are mechanically connected through a connecting piece; the outer row of X to roof beam longitudinal ribs (7) is bent from the outer row of Y to the outside of roof beam longitudinal ribs (8) and passes, the inner row of X to roof beam longitudinal ribs (7) is straight from the inner row of Y to the inboard of roof beam longitudinal ribs (8) and passes, and Y is bent from the outside of sleeve stiffening plate (9) and the inboard of sleeve stiffening plate (9) to roof beam longitudinal ribs (8) respectively and passes.
2. The connection structure of the steel skeleton beam and the column joint region according to claim 1, wherein: the space formed between the adjacent closed stirrup components (3) is 110-130mm, and the diameters of the L-shaped reinforcing steel bars (6) are 16-25 mm.
3. The connection structure of the steel skeleton beam and the column joint region according to claim 2, wherein: the space formed between the adjacent closed stirrup components (3) is 120mm, and the diameters of the L-shaped reinforcing steel bars (6) are 18 mm.
4. The connection structure of the steel skeleton beam and the column joint region according to claim 1, wherein: the mechanical connection comprises a sleeve compression connection, a tapered threaded connection or a straight threaded connection.
5. The connection structure of the steel skeleton beam and the column joint region according to claim 1, wherein: the stiffening plates are in a cross shape, and the cross-shaped cross positions of the stiffening plates form a fillet structure.
6. The connection structure of the steel skeleton beam and the column joint region according to claim 1, wherein: be equipped with web (10) in roof beam (1), the both sides of web (10) are equipped with a plurality of lacing wires (11) of symmetry, and the one end and the roof beam (1) lateral wall of lacing wire (11) are connected, and the other end and web (10) of lacing wire (11) are connected, and the one end that lacing wire (11) and roof beam (1) lateral wall are connected is equipped with kidney muscle (12), and the one end that lacing wire (11) and web (10) are connected is equipped with construction reinforcing bar (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494598.1U CN213115027U (en) | 2020-07-24 | 2020-07-24 | Connection structure of steel skeleton beam and column joint area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494598.1U CN213115027U (en) | 2020-07-24 | 2020-07-24 | Connection structure of steel skeleton beam and column joint area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213115027U true CN213115027U (en) | 2021-05-04 |
Family
ID=75680827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021494598.1U Active CN213115027U (en) | 2020-07-24 | 2020-07-24 | Connection structure of steel skeleton beam and column joint area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213115027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809298A (en) * | 2022-05-24 | 2022-07-29 | 中国十七冶集团有限公司 | Node structure of beam-column core area of steel reinforced concrete composite structure and construction method |
-
2020
- 2020-07-24 CN CN202021494598.1U patent/CN213115027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809298A (en) * | 2022-05-24 | 2022-07-29 | 中国十七冶集团有限公司 | Node structure of beam-column core area of steel reinforced concrete composite structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109707104B (en) | Concrete-filled steel tube casting body with tie bars and construction method | |
| CN110067186B (en) | Steel pipe stiffening web steel-concrete combined box girder | |
| CN101638916A (en) | Connecting joint of coating composite steel concrete transformation column with composite steel concrete transformation box beam | |
| CN109024915B (en) | PVC-FRP pipe constraint steel reinforced concrete column-reinforced concrete beam L-shaped node | |
| CN201296977Y (en) | Concrete and profiled steel composite structural member | |
| CN112922235A (en) | Fabricated concrete prefabricated column and construction method thereof | |
| CN213115027U (en) | Connection structure of steel skeleton beam and column joint area | |
| CN111576641A (en) | Novel section steel concrete beam column joint | |
| CN209874079U (en) | Quick-assembly type T-shaped steel concrete column-reinforced concrete beam connecting node | |
| CN210216122U (en) | Steel pipe stiffening web steel-concrete combined box girder | |
| CN202520017U (en) | Construction structure of variable cross-section prestress overhanging type folding beam for stand | |
| CN114687479B (en) | Built-in batten type lattice column type double-steel-plate shear wall with wall-beam node domain | |
| CN206144237U (en) | Prefabricated assembled large -scale steel structure rectangle storehouse and rectangle crowd storehouse | |
| CN110725402A (en) | Multi-cavity combined shear wall and H-shaped steel beam assembled node and construction method thereof | |
| CN114687478B (en) | Built-in lattice column type double-steel-plate shear wall with shear wall-beam node domain | |
| CN214302263U (en) | Node connection structure of reinforced concrete beam and shaped steel concrete column | |
| CN201459913U (en) | Joint of composite steel concrete transition box beam wrapping composite steel concrete transition column | |
| CN111058569B (en) | Multi-steel-beam and concrete combined super-flat beam and construction method of flat beam | |
| CN213233789U (en) | Assembled prefabricated beam column connected node | |
| CN211257555U (en) | Novel steel bar drawknot structure of outrigger truss | |
| CN212317182U (en) | Steel beam and precast concrete column rigid connection joint | |
| CN209941897U (en) | Quick-assembly type T-shaped steel concrete beam column connecting node | |
| CN212053233U (en) | Assembly type steel structure beam-plate connecting structure adopting snakelike rib connecting piece | |
| CN211228929U (en) | Assembled beam column reinforcing bar node | |
| CN218970268U (en) | Connecting structure of steel reinforced concrete beam and steel pipe superposed column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |