CN215054021U - Beam column joint for concrete column and steel beam mixed frame structure - Google Patents
Beam column joint for concrete column and steel beam mixed frame structure Download PDFInfo
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- CN215054021U CN215054021U CN202120373337.2U CN202120373337U CN215054021U CN 215054021 U CN215054021 U CN 215054021U CN 202120373337 U CN202120373337 U CN 202120373337U CN 215054021 U CN215054021 U CN 215054021U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 222
- 239000010959 steel Substances 0.000 title claims abstract description 222
- 239000004567 concrete Substances 0.000 title claims abstract description 91
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 230000001788 irregular Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract 1
- 238000012946 outsourcing Methods 0.000 description 12
- 238000010008 shearing Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of building construction, and relates to a beam column node for a concrete column and steel beam mixed frame structure, which comprises a concrete column, an outer steel plate, a steel beam and an outer ring plate; the number of the steel beams is at least 2 and the steel beams are distributed in the peripheral direction of the concrete column; an included angle alpha is formed between the adjacent steel beams in the axial direction; the axial direction of the concrete column is vertical to the axial direction of the steel beam; the outer steel plate is arranged on the outer wall of the concrete column and fixed with the concrete column; the outer ring plate is arranged between the outer steel plate and the steel beam; the outer steel plate is connected with the outer ring plate and the steel beam. The utility model is suitable for the effective connection of the beam-column joint of the plane irregular frame, and the connection is flexible; and convenient operation improves the efficiency of construction, and the difficult warpage that takes place of node junction, and is of high quality, and the security is high.
Description
Technical Field
The utility model belongs to the technical field of the construction, a beam column node that is used for concrete column and girder steel mixed frame structure is related to.
Background
In the existing building structure design, when a mixed framework of a reinforced concrete column and a steel beam is adopted, the reasonable beam column joint method can effectively ensure the overall stability, the anti-seismic performance, the bearing capacity and the like of the building. However, in the existing building design, the plane relation of the beam column is often complex, the span or stress condition is not uniform, the height of the beam around the column can not be uniform, and the existing beam column node can not be simultaneously suitable for various different conditions or can not ensure the seismic concept requirement of 'strong node weak member' required by the specification. In addition, the conventional beam-column joint or structure is complex, the construction efficiency is low, or the shearing resistance of the joint is poor, so that the design requirement cannot be met, and certain influence is brought to the quality and the safety of the whole structure. In addition, in the transformation design of concrete frame structure, also often appear the problem that beam column node construction is difficult or node intensity is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems of the existing beam column node, the utility model provides a beam column node for a concrete column and steel beam mixed frame structure, which is suitable for the effective connection of the beam column node with an irregular plane frame and is flexible in connection; and convenient operation improves the efficiency of construction, and the difficult warpage that takes place of node junction, and shear resistance is good, and the security is high.
In order to realize the purpose, the utility model discloses a technical scheme is:
a beam column node for a concrete column and steel beam mixed frame structure comprises a concrete column, an outer steel plate, a steel beam and an outer ring plate; the number of the steel beams is at least 2 and the steel beams are distributed in the peripheral direction of the concrete column; an included angle alpha is formed between the adjacent steel beams in the axial direction; the axial direction of the concrete column is mutually vertical to the axial direction of the steel beam; the outer steel plate is arranged on the outer wall of the concrete column and fixed with the concrete column; the outer ring plate is arranged between the outer-coated steel plate and the steel beam; the outer steel plate is connected with the outer ring plate and the steel beam.
Furthermore, the outer ring plate is formed by splicing a plurality of steel plates with the thickness not less than 20mm to form an outer ring plate surface; the connecting line of the outer edge of the outer ring plate surface is polygonal or circular; the connecting line of the inner edge of the outer ring plate surface is square, rectangular or circular.
Further, the outer ring plate comprises an upper outer ring plate and a lower outer ring plate which are arranged in sequence from top to bottom; the upper outer ring plate is arranged at the position of 100mm below the upper end of the outer wrapping steel plate; the lower outer ring plate is arranged at the position which is 100mm above the lower end of the outer wrapping steel plate.
Furthermore, the included angle is more than 0 degree and less than or equal to 180 degrees.
Further, the cross section of the concrete column is square, rectangular or circular.
Further, the outer steel plate is composed of a steel plate with the thickness not less than 20 mm; the cross section of the externally-wrapped steel plate is square, rectangular or circular.
Furthermore, the beam-column joint for the concrete column and steel beam mixed frame structure also comprises an anchor bar; the anchor bars are multiple, and the multiple anchor bars are welded between the inner walls of the outer steel plates in a criss-cross mode.
Furthermore, the beam-column joint for the concrete column and steel beam mixed frame structure also comprises a stiffening plate; the outer steel plate is connected with the outer ring plate and the steel beam through the stiffening plate.
Further, the thickness of the stiffening plate is not less than 12 mm.
The utility model has the advantages that:
1. the utility model provides a beam column node for a concrete column and steel beam mixed frame structure, which comprises a concrete column, an outer steel plate, a steel beam and an outer ring plate; the number of the steel beams is at least 2 and the steel beams are distributed in the peripheral direction of the concrete column; an included angle alpha is formed between the adjacent steel beams in the axial direction; the axial direction of the concrete column is mutually vertical to the axial direction of the steel beam; the outer steel plate is arranged on the outer wall of the concrete column and fixed with the concrete column; the outer ring plate is arranged between the outer-coated steel plate and the steel beam; the outer steel plate is connected with the outer ring plate and the steel beam. The utility model discloses can realize the effective connection between each direction roof beam and the post, application scope is wide, and convenient operation improves the efficiency of construction.
2. The utility model provides a beam column node for concrete column and girder steel mixed frame structure sets up outsourcing steel sheet and outer crown plate in the roof beam height within range, and the girder steel is connected with outer crown plate, mainly transmits the moment of flexure through outer crown plate, guarantees the node quality.
3. The utility model provides a beam column node that is used for concrete column and girder steel mixed frame structure still includes the many anchor bars that the welding just vertically and horizontally staggered between the relative inner wall of outsourcing steel sheet. The anchor bars form opposite tension in the outer steel plates, the shearing resistance of the joints can be enhanced, the outer steel plates at the joints of the beam-column joints are not easy to warp, and the building performance is good.
Drawings
Fig. 1 is a schematic sectional top view of a beam-column joint (center pillar joint) provided in example 1;
FIG. 2 is a schematic sectional top view of a beam-column joint (side-column joint) provided in example 2;
FIG. 3 is a schematic sectional top view of a beam-column joint (corner-column joint) provided in example 3;
FIG. 4 is a schematic sectional top view of a beam-column joint (cylindrical joint) provided in example 4;
FIG. 5 is a schematic sectional top view of a beam-column joint (a joint at a cross-beam) provided in example 5;
FIG. 6 is a schematic sectional top view of a beam-column node (rectangular column node) provided in example 6;
FIG. 7 is a schematic sectional view A-A of FIG. 1;
FIG. 8 is a schematic sectional view taken along line B-B of FIG. 1;
FIG. 9 is a schematic view of FIG. 6 at different beam heights on both sides;
wherein:
1-a concrete column; 2, coating a steel plate; 3, a steel beam; 31 — upper flange; 32-a web; 33-lower flange; 4-outer ring plate; 5, stiffening plates; 6, anchor bars; 7-outer ring plate splicing part.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1, 7 and 8, the beam-column joint for a concrete column and steel beam hybrid frame structure provided by the present embodiment includes a concrete column 1, an outer clad steel plate 2, a steel beam 3 and an outer ring plate 4; the concrete column 1 is arranged in the vertical direction; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3.
In this embodiment, the concrete column 1 is arranged in the vertical direction; the number of the steel beams 3 is 4, the steel beams are uniformly and symmetrically distributed around the concrete column 1, and an included angle alpha between the axial center lines of the left steel beam 3 and the right steel beam 3 is 180 degrees; the included angles between the axial center line of the left steel beam 3 and the axial center line of the upper steel beam or the lower steel beam are both alpha-90 degrees, 4 steel beams 3 are in bilateral symmetry and vertical symmetry, and 4 steel beams 3 form a cross shape; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3, and the node of the concrete column 1 and the steel beam 3 is positioned at the position of the center column.
In the embodiment, the outer-coated steel plate 2 is arranged on the outer wall of the concrete column 1 and is welded and fixed with the concrete column 1, and the outer ring plate 4 is arranged between the outer-coated steel plate 2 and the steel beam 3; the outer steel plate 2 is welded and fixed with the outer steel plate 2, the outer ring plate 4 and the steel beam 3 in sequence through the stiffening plate 5; the outer ring plates 4 are connected as a whole by outer ring plate splices 7. The outer ring plate 4 is an outer ring plate surface formed by splicing a plurality of steel plates with the thickness not less than 20 mm; specifically, outer ring plate 4 includes four steel sheet, and four steel sheet 4 are arranged in between outsourcing steel sheet 2 and girder steel 3. Specifically, the four steel plates are spliced into the shape shown in fig. 1 through the splicing part 7 of the outer ring plate by full penetration welding, the connecting line of the outer edge of the outer ring plate surface is polygonal, the center of the outer ring plate surface is a square through hole, and the size of the through hole is matched with the size of the outer wrapping steel plate 2.
In practice, the concrete column 1 is a square column (800 × 800 mm); the cross section of the outer steel plate 2 is square. The cross section of the outer ring plate surface is square, the outer ring plate surface is arranged in four directions, and the concrete column 1, the edge of the outer steel plate 2, the outer ring plate 4 and the steel beam 3 are sequentially connected and fixed through the stiffening plate 5.
Referring to fig. 7 and 8, in the present embodiment, the outer ring plate 4 includes an upper outer ring plate 41 and a lower outer ring plate 42 which are arranged in this order from the top; the distance between the upper outer ring plate 41 and the lower outer ring plate 42 is 640 mm; the upper outer ring plate 41 is arranged at the position of 100mm below the upper end of the outer steel plate 2; the lower outer ring plate 42 is placed 100mm upward from the lower end of the outer clad steel plate 2.
In the embodiment, the outer-coated steel plate 2 is composed of a steel plate with the thickness of 25mm (the thickness of the outer-coated steel plate 2 cannot be lower than 20 mm); the thickness of the outer ring plate 4 is 24 mm; the thickness of the stiffening plate 5 is 12 mm.
In this embodiment, the beam-column joint for the concrete column and steel beam hybrid frame structure further includes an anchor bar 6; the anchor bars 6 are multiple, and the multiple anchor bars 6 are welded between the inner walls of the outer steel plates 2 in a criss-cross mode. Specifically, 6 layers of four rows and four columns of anchor bars are distributed between symmetrical edges of the square outer-wrapped steel plate 2 in a criss-cross mode, the anchor bars 6 form counter-pulling anchor bars, the shearing resistance of the joints can be enhanced, the outer-wrapped steel plate 2 at the joint of the beam column joints is not prone to warping, and the building safety is good.
Example 2
Referring to fig. 2, the present embodiment is different from embodiment 1 in that:
in this embodiment, the concrete column 1 is arranged in the vertical direction; 3 steel beams 3 are uniformly distributed outside the periphery of the concrete column 1, and an included angle alpha between the axial center lines of the left and right steel beams 3 is 180 degrees; an included angle alpha between the axial center line of the left steel beam 3 and the axial center line of the upper steel beam is 90 degrees, and the 3 steel beams form a T shape; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3, and the joint of the concrete column 1 and the steel beam 3 is positioned at the side column.
In the implementation, the concrete column 1 is a square column; the cross section of the outer steel plate 2 is square. The cross section of outer loop face is the pentagon, and pentagon bilateral symmetry, outer crown plate off-plate edge line is the pentagon, pentagon bilateral symmetry, and outer crown plate in-plane edge line is the square and contacts with outsourcing steel sheet 2, and outer crown plate and girder steel 3 junction make the arris of outsourcing steel sheet 2, outer crown plate 4 and girder steel 3 connect gradually fixedly through stiffening plate 5.
In the embodiment, the outer steel plate 2 is composed of steel plates with the thickness of 25 mm; the thickness of the outer ring plate 4 is 24 mm; the thickness of the stiffening plate 5 is 12 mm.
Example 3
Referring to fig. 3, the present embodiment is different from embodiment 1 in that:
in this embodiment, the concrete column 1 is arranged in the vertical direction; 2 steel beams 3 are distributed outside the periphery of the concrete column 1, an included angle alpha between the axial center line of the left steel beam 3 and the axial center line of the upper steel beam is 90 degrees, and the 2 steel beams form an L shape; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3, and the joint of the concrete column 1 and the steel beam 3 is positioned at the position of the corner column.
In the implementation, the concrete column 1 is a square column; the cross section of the outer steel plate 2 is square. The outer edge connecting line of the outer ring plate surface is an irregular polygon, and the inner edge connecting line of the outer ring plate surface is a square and is contacted with the outer wrapping steel plate 2; the joint of the outer ring plate and the steel beam 3 is fixed by connecting the edge of the outer steel plate 2, the outer ring plate 4 and the steel beam 3 in sequence through the stiffening plate 5.
In the embodiment, the outer steel plate 2 is composed of steel plates with the thickness of 25 mm; the thickness of the outer ring plate 4 is 24 mm; the thickness of the stiffening plate 5 is 12 mm.
Example 4
Referring to fig. 4, the present embodiment is different from embodiment 1 in that:
in this embodiment, the concrete column 1 is arranged in the vertical direction; the number of the steel beams 3 is 5, and the steel beams are distributed outside the periphery of the concrete column 1, wherein the four steel beams 3 are symmetrical left and right and are symmetrical up and down to form a cross shape; in addition, 1 steel beam 3 is uniformly distributed between the upper side steel beam and the right side steel beam to form an oblique beam,
an included angle alpha between the axial center lines of the left and right steel beams 3 is 180 degrees; the included angle between the axial center line of the left steel beam 3 and the axial center line of the upper steel beam or the lower steel beam is alpha-90 degrees; an included angle alpha between the axial center line of the right steel beam 3 and the axial center line of the oblique steel beam is 45 degrees; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3, and the node of the concrete column 1 and the steel beam 3 is positioned at the center of the column.
In practice, the concrete column 1 is a cylinder (d is 700 mm); the cross section of the outer steel plate 2 is circular. Outer ring plate off-plate edge line is circular, and outer loop face inward flange line is circular and contacts with outsourcing steel sheet 2, and outer ring plate and girder steel 3 junction make outsourcing steel sheet 2, outer ring plate 4 and girder steel 3 connect gradually fixedly through stiffening plate 5.
In the embodiment, the outer steel plate 2 is composed of a steel plate with the thickness of 25 mm; the thickness of the outer ring plate 4 is 25 mm; the thickness of the stiffening plate 5 is 12 mm.
Example 5
Referring to fig. 5, the present embodiment is different from embodiment 1 in that:
in this embodiment, the concrete column 1 is arranged in the vertical direction; the number of the steel beams 3 is 5, and the steel beams are distributed outside the periphery of the concrete column 1; the 5 steel beams 3 form an oblique beam, and the included angle alpha between the axial center lines of two adjacent steel beams 3 is 45 degrees, 90 degrees, 45 degrees and 90 degrees; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3, and the node of the concrete column 1 and the steel beam 3 is positioned at the position of the oblique crossing beam and the central column of the concrete column. The included angle of the oblique steel beam can be replaced by other angle values larger than 0 degree.
In the implementation, the concrete column 1 is a square column; the cross section of the outer steel plate 2 is square. Outer ring plate off-plate edge line is circular, and outer loop face inward flange line is the square and contacts with outsourcing steel sheet 2, and outer ring plate and 3 junctions make 2 edges and corners of outsourcing steel sheet, outer ring plate 4 and girder steel 3 connect gradually fixedly through stiffening plate 5 with girder steel 3.
In the embodiment, the outer steel plate 2 is composed of a steel plate with the thickness of 25 mm; the thickness of the outer ring plate 4 is 25 mm; the thickness of the stiffening plate 5 is 14 mm.
Example 6
Referring to fig. 6, the present embodiment is different from embodiment 1 in that:
in this embodiment, the concrete column 1 is arranged in the vertical direction; the number of the steel beams 3 is 2, and the steel beams are symmetrically distributed on the left side and the right side of the concrete column 1; the 2 steel beams 3 form a straight beam, and an included angle alpha between the axial center lines of the left and right steel beams 3 is 180 degrees; the axial direction of the concrete column 1 is vertical to the axial direction of the steel beam 3, and the node of the concrete column 1 and the steel beam 3 is positioned at the position of the rectangular column.
In practice, the concrete column 1 is a rectangular column (800 × 1000 mm); the cross section of the outer steel plate 2 is rectangular. The outer edge connecting line of the outer ring plate is hexagonal, and the inner edge is rectangular and is contacted with the outer steel plate 2; and is symmetrical left and right, and up and down; the outer ring plate is connected with the steel beam 3, and the long edge of the outer steel plate 2, the outer ring plate 4 and the steel beam 3 are sequentially connected and fixed through the stiffening plate 5.
In the embodiment, the outer steel plate 2 is composed of a steel plate with the thickness of 25 mm; the thickness of the outer ring plate 4 is 28 mm; the thickness of the stiffening plate 5 is 16 mm.
Example 7
Referring to fig. 9, on the basis of embodiment 6, when the heights of the left and right beams 3 are not consistent, the upper flange 31 of the right steel beam 3 is consistent with the height of the upper flange 31 of the left steel beam 3, and the length of the web 32 of the right steel beam 3 is shorter than that of the web 32 of the left steel beam 3; the bottom flange 33 of the left steel beam 3 is parallel to the top flange 31, and the bottom flange 33 of the right steel beam 3 extends downwards to the same height as the left steel beam, so that the joint connection between the steel beam 3 and the concrete column is the same as that in the embodiment 6. The joints of the steel beams with different heights and the concrete columns are connected and fixed through the haunching of the lower flange 31.
The utility model provides a beam column node for a concrete column and steel beam mixed frame structure, which can realize the connection between beams and concrete columns in all directions, has simple operation and flexible connection and improves the construction efficiency; during the implementation, set up outsourcing steel sheet and outer crown plate in the roof beam height within range, the girder steel is connected with outer crown plate, mainly transmits the moment of flexure through outer crown plate, and in concrete core area, the split anchor bar between the outsourcing steel sheet strengthens the node ability of shearing to guarantee that the outsourcing steel sheet can not take place local warpage, beam column node connection quality is good, and anti-shear performance is good, and the security is high.
Claims (9)
1. The utility model provides a beam column node that is used for concrete column and girder steel mixed frame structure which characterized in that: the beam column node for the concrete column and steel beam mixed frame structure comprises a concrete column (1), an outer-coated steel plate (2), a steel beam (3) and an outer ring plate (4); the number of the steel beams (3) is at least 2 and the steel beams are distributed in the peripheral direction of the concrete column (1); an included angle alpha is formed between the adjacent steel beams (3) in the axial direction; the axial direction of the concrete column (1) is vertical to the axial direction of the steel beam (3); the outer steel plate (2) is arranged on the outer wall of the concrete column (1) and is fixed with the concrete column (1); the outer ring plate (4) is arranged between the outer wrapping steel plate (2) and the steel beam (3); the outer steel plate (2) is connected with the outer ring plate (4) and the steel beam (3).
2. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 1, characterized in that: the outer ring plate (4) is formed by splicing a plurality of steel plates with the thickness not less than 20mm to form an outer ring plate surface; the connecting line of the outer edge of the outer ring plate surface is polygonal or circular; the connecting line of the inner edge of the outer ring plate surface is square, rectangular or circular.
3. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 2, characterized in that: the outer ring plate (4) comprises an upper outer ring plate (41) and a lower outer ring plate (42) which are arranged from top to bottom in sequence; the upper outer ring plate (41) is arranged at the position of 100mm below the upper end of the outer wrapping steel plate (2); the lower outer ring plate (42) is arranged at the position of 100mm above the lower end of the outer wrapping steel plate (2).
4. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 3, characterized in that: the included angle alpha is more than 0 degree and less than or equal to 180 degrees.
5. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 4, characterized in that: the cross section of the concrete column (1) is square, rectangular or circular.
6. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 5, characterized in that: the outer wrapping steel plate (2) is composed of a steel plate with the thickness not less than 20 mm; the cross section of the outer wrapping steel plate (2) is square, rectangular or circular.
7. A beam column joint for a concrete column and steel beam hybrid frame structure according to any one of claims 1 to 6, wherein: the beam-column joint for the concrete column and steel beam mixed frame structure further comprises an anchor bar (6); the anchor bars (6) are multiple, and the anchor bars (6) are welded between the inner walls of the outer steel plates (2) in a criss-cross mode.
8. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 7, characterized in that: the beam-column joint for the concrete column and steel beam mixed frame structure further comprises a stiffening plate (5); the outer steel plate (2) is connected with the outer ring plate (4) and the steel beam (3) through the stiffening plate (5).
9. A beam column joint for a concrete column and steel beam hybrid frame structure according to claim 8, characterized in that: the thickness of the stiffening plate (5) is not less than 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120373337.2U CN215054021U (en) | 2021-02-10 | 2021-02-10 | Beam column joint for concrete column and steel beam mixed frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120373337.2U CN215054021U (en) | 2021-02-10 | 2021-02-10 | Beam column joint for concrete column and steel beam mixed frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215054021U true CN215054021U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120373337.2U Expired - Fee Related CN215054021U (en) | 2021-02-10 | 2021-02-10 | Beam column joint for concrete column and steel beam mixed frame structure |
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| Country | Link |
|---|---|
| CN (1) | CN215054021U (en) |
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2021
- 2021-02-10 CN CN202120373337.2U patent/CN215054021U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |