CN214784716U - Node structure of steel frame beam column - Google Patents
Node structure of steel frame beam column Download PDFInfo
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- CN214784716U CN214784716U CN202023338425.3U CN202023338425U CN214784716U CN 214784716 U CN214784716 U CN 214784716U CN 202023338425 U CN202023338425 U CN 202023338425U CN 214784716 U CN214784716 U CN 214784716U
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- steel frame
- post
- node structure
- roof beam
- column
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Abstract
The utility model discloses a node structure of steel frame beam column, including the steel frame post and set up the first steel frame roof beam at steel frame post both ends, the steel frame post is connected through the flange board of width gradual change with the first steel frame roof beam of both sides, the both ends of flange board are connected through the double side shroud with first steel frame roof beam, the both sides correspondence of the web of steel frame post is connected with post web reinforcing plate through the plug weld point, the steel frame post middle part is connected with the horizontal stiffening rib of post through the welding seam of dissolving completely, the outer end of the horizontal stiffening rib of post is connected with the stub beam, the outer end of stub beam is connected with the second steel frame roof beam through the double side shroud. The utility model discloses steel frame beam column nodal connection stability is good, and the construction is simple and convenient, passes power clearly, and the ductility is good, and fatigue performance is good, has fine application prospect.
Description
Technical Field
The utility model relates to a steel frame beam column structure node design technical field especially relates to a node structure of steel frame beam column.
Background
The beam-column joint connection requires reliable force transmission and large enough ductility. The welded connection has large residual stress and welding deformation. The welding residual stress is very unfavorable for the fatigue strength of the node, and the welding deformation influences the bearing capacity of the node under the normal use condition. When the stress of the joint is small and the welding seam only plays a role of connection, a partially-welded butt welding seam is used, and when the earthquake function is considered, the welding seam connection of the frame joint needs to adopt a fully-welded welding seam connection, so that the construction time is long. High strength bolted connection construction convenience, but it is big to warp, and the consumptive material is many, and the cost is high.
SUMMERY OF THE UTILITY MODEL
For solving the shortcoming and the not enough of prior art, provide a node structure of steel frame beam column, on the basis of the security and the stability that satisfy the structure, overcome the not enough of current node design.
For realizing the utility model aims at providing a node structure of steel frame beam column, including the steel frame post and set up the first steel frame roof beam at steel frame post both ends, the steel frame post is connected through the flange board of width gradual change with the first steel frame roof beam of both sides, the both ends of flange board are connected through the double side apron with first steel frame roof beam, the both sides correspondence of the web of steel frame post is connected with post web reinforcing plate through the plug weld point, steel frame post middle part is connected with the horizontal stiffening rib of post through the welding seam of dissolving completely, the outer end of the horizontal stiffening rib of post is connected with the stub beam, the outer end of stub beam is connected with the second steel frame roof beam through the double side apron.
As a further improvement of the scheme, the steel frame columns, the first steel frame beam and the second steel frame beam are arranged to be H-shaped sections or box-shaped sections.
As a further improvement of the scheme, the flange plate and the short beam are connected with the first steel frame beam and the second steel frame beam in a mode of hybrid connection of shear bolts and welding seams.
As a further improvement of the scheme, the shear bolts are provided as friction type high-strength bolts, and the contact surfaces of the components connected with the shear bolts are treated by spraying hard quartz sand.
The utility model has the advantages that:
compared with the prior art, the utility model provides a pair of node structure of steel frame beam column, first steel frame roof beam adopts the moment of flexure that the rigid coupling can reduce the roof beam and stride with second steel frame roof beam, rigid coupling has both required node transmission shear force, require effectual transmission moment of flexure again, through flange plate, the short beam attach welding seam transmits moment of flexure for the steel frame column, the shear force passes through the shear bolt transmission, the steel frame roof beam is passed to superstructure's internal force, the steel frame column is passed to reliably to beam column node among this technical scheme of rethread, the basis is passed again to the steel frame column, guarantee the security and the stability of structure. The utility model discloses steel frame beam column nodal connection stability is good, and the construction is simple and convenient, passes power clearly, and the ductility is good, and fatigue performance is good, has fine application prospect.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial enlarged view of B of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a cross-sectional view B-B of FIG. 1;
fig. 6 is a large sample diagram of the plug welding point arrangement of the column web reinforcing plate of the present invention.
Detailed Description
As shown in fig. 1-6, the utility model provides a pair of node structure of steel frame beam column, including steel frame column 1 and set up the first steel frame roof beam 2 at steel frame column 1 both ends, steel frame column 1 is connected through the flange plate 3 of width gradual change with the first steel frame roof beam 2 of both sides, the both ends of flange plate 3 are connected through bilateral apron 4 with first steel frame roof beam 2, the both sides correspondence of the web 10 of steel frame column 1 is connected with post web reinforcing plate 5 through the plug welding point, prevent that web 10 of steel frame column 1 from producing local buckling, there is horizontal stiffening rib 6 of post at steel frame column 1 middle part through the welding seam of dissolving completely, the outer end of the horizontal stiffening rib 6 of post is connected with stub beam 7, the outer end of stub beam 7 is connected with second steel frame roof beam 9 through bilateral apron 4. The flange plate 3 of width gradual change, the cross-section of flange plate 3 changes uniformly along with the change of moment of flexure, practices thrift steel, changes the width of flange plate 3 and does not change its thickness, avoids the sudden change of thickness to produce stress concentration.
The steel frame column 1, the first steel frame beam 2 and the second steel frame beam 9 are arranged to be H-shaped cross sections or box-shaped cross sections, and the cross sections are economical and reasonable.
In further improvement, the flange plate 3 and the short beam 7 are connected with the first steel frame beam 2 and the second steel frame beam 9 in a mode of mixed connection of shear bolts and welding seams.
The improved structure has the advantages that the shear bolts are friction type high-strength bolts, contact surfaces of components connected with the shear bolts are treated by spraying hard quartz sand, the anti-sliding coefficient of the friction surfaces is improved, welding seams are required to be polished to be smooth, and the flatness of the roof profiled steel sheet is not affected. Because the field welding condition is poor, the quality of the welding seam is difficult to ensure, and the requirement can be met for large beams, particularly beams bearing dynamic load by adopting high-strength bolts for connection.
The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides a node structure of steel frame beam column which characterized in that: including the steel frame post and set up the first steel frame roof beam at steel frame post both ends, the steel frame post is connected through the flange board of width gradual change with the first steel frame roof beam of both sides, the both ends of flange board are connected through the double side apron with first steel frame roof beam, the both sides correspondence of the web of steel frame post is connected with post web reinforcing plate through the plug welding point, steel frame post middle part is connected with the horizontal stiffening rib of post through the welding seam of dissolving completely, the outer end of the horizontal stiffening rib of post is connected with the stub beam, the outer end of stub beam is connected with the second steel frame roof beam through the double side apron.
2. The node structure of a steel frame beam column according to claim 1, wherein: the steel frame column, the first steel frame beam and the second steel frame beam are arranged to be H-shaped cross sections or box-shaped cross sections.
3. The node structure of a steel frame beam column according to claim 1, wherein: the flange plate, the short beam, the first steel frame beam and the second steel frame beam are connected in a mode of hybrid connection of shear bolts and welding seams.
4. The node structure of a steel frame beam column according to claim 3, wherein: the shear bolts are friction type high-strength bolts, and the contact surfaces of the components connected with the shear bolts are treated by spraying hard quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023338425.3U CN214784716U (en) | 2020-12-31 | 2020-12-31 | Node structure of steel frame beam column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023338425.3U CN214784716U (en) | 2020-12-31 | 2020-12-31 | Node structure of steel frame beam column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784716U true CN214784716U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023338425.3U Active CN214784716U (en) | 2020-12-31 | 2020-12-31 | Node structure of steel frame beam column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214784716U (en) |
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2020
- 2020-12-31 CN CN202023338425.3U patent/CN214784716U/en active Active
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