CN211007083U - Node connecting piece and steel pipe concrete frame node with replaceable seismic damage - Google Patents
Node connecting piece and steel pipe concrete frame node with replaceable seismic damage Download PDFInfo
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- CN211007083U CN211007083U CN201921396186.1U CN201921396186U CN211007083U CN 211007083 U CN211007083 U CN 211007083U CN 201921396186 U CN201921396186 U CN 201921396186U CN 211007083 U CN211007083 U CN 211007083U
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Abstract
The utility model discloses a node connecting piece and shake and lose removable steel core concrete frame node, this node connecting piece is including the first connecting plate that is used for connecting the steel core concrete column, a second connecting plate for connecting H shaped steel roof beam flange plate, a shear plate and the stiffening rib board that are used for connecting H shaped steel roof beam flange plate, first connecting plate and second connecting plate are connected and are formed T type structure, stiffening rib board and shear plate set up the both sides at the second connecting plate respectively, be provided with between shear plate and the second connecting plate and supply to be connected H shaped steel roof beam flange plate male clearance. The utility model discloses a steel pipe concrete frame node is the frame node of high strength core bolt and node connection spare, belongs to semi-rigid node, to main part roof beam, the column member does not have the welding heat affected zone, and anti-seismic performance is excellent, the ductility is good, the power consumption ability is strong, node rigidity is big.
Description
Technical Field
The utility model belongs to the technical field of building structure takes precautions against earthquakes and subtracts disaster, concretely relates to node connection spare and the removable steel pipe concrete frame node of loss of earthquake.
Background
The square steel tube concrete column integrates good compression resistance of concrete and excellent tensile resistance of steel, no additional formwork is required to be erected during site construction, and the H-shaped steel beam has the characteristics of light dead weight, high bearing capacity and the like. The two are combined into the square steel tube concrete frame, and the square steel tube concrete frame has the advantages of high lateral bearing capacity, strong energy consumption capability, light structure dead weight, high rigidity and the like.
The beam column node is very critical to ensure the exertion of the excellent performance of the frame. The conventional node is roughly classified into an inner partition type, an outer partition type, and a through partition type, and a short beam type is additionally provided based on the three. But the inner clapboard type node can influence the pouring of concrete; the outer clapboard type nodes occupy the space outside the column, thus influencing the appearance and the use function; the through type partition plate has high precision on the vertical alignment requirement of the column; the short beam type node is not convenient to transport and hoist; and a large amount of welding work cannot be avoided. After two major earthquakes of Kobe and North bridge, researchers find that the main body member of the steel structure welding joint is easy to break and break through investigation, and the repair work after the earthquakes is very unfavorable.
Disclosure of Invention
In order to solve the problem, the utility model provides a node connection spare and shake and lose removable steel pipe concrete frame node, the welding work volume of solving the existence of current beam column node is big, beam column node has welding heat affected zone, difficult realization building assembly ization and shake the difficult prosthetic series construction and technical problem in back and be constructed.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a node connecting piece comprises a first connecting plate, a second connecting plate, a shear-resistant plate and a stiffening rib plate, wherein the first connecting plate is used for connecting a steel pipe concrete column, the second connecting plate is used for connecting an H-shaped steel beam flange plate, the shear-resistant plate and the stiffening rib plate are used for connecting the H-shaped steel beam flange plate, the first connecting plate and the second connecting plate are connected to form a T-shaped structure, the stiffening rib plate and the shear-resistant plate are respectively arranged on two sides of the second connecting plate, the shear-resistant plate is perpendicular to the second connecting plate, and a gap for inserting the H-shaped steel beam flange plate is arranged between the shear-resistant plate and the; the first connecting plate is provided with a first connecting hole, the second connecting plate is provided with a second connecting hole, and the shear resistant plate is provided with a third connecting hole.
Specifically, the stiffening rib plates are perpendicular to the first connecting plate and the second connecting plate, and one or two stiffening rib plates are arranged in parallel.
Specifically, the first connecting holes are multiple and are arranged in a centrosymmetric mode according to the position of the flange plate of the H-shaped steel beam.
The invention also discloses a steel tube concrete frame node with replaceable shock loss, which comprises a steel tube concrete column, an H-shaped steel beam and a node connecting piece arranged at the connecting node of the steel tube concrete column and the H-shaped steel beam, wherein the node connecting piece is the connecting piece of the utility model, and the connecting piece is arranged between the steel tube concrete column and each flange plate of the H-shaped steel beam;
the steel tube concrete column is provided with a fourth connecting hole corresponding to the first connecting hole, the fourth connecting hole penetrates through the whole steel tube concrete column, the H-shaped steel beam flange plate is provided with a fifth connecting hole corresponding to the second connecting hole, and the H-shaped steel beam web plate is provided with a sixth connecting hole corresponding to the third connecting hole; two first connecting plates on two sides of the steel tube concrete column are fixed through bolts, a second connecting plate is fixed on a flange plate of the H-shaped steel beam through bolts, and a shear plate is fixed on a web plate of the H-shaped steel beam through bolts.
Specifically, the shear resisting plates on the two node connecting pieces on the same side of the steel pipe concrete column can be arranged on the same side or two sides of the H-shaped steel beam web.
Specifically, a PCV pipe is preset in the fourth connecting hole.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a node connecting piece need not the on-the-spot welding construction, and required few weldment work volume (like the welding of stiffening rib board etc.) to this node connecting piece all accomplishes in the mill, has both guaranteed welding quality, has practiced thrift the time limit for a project again, only need with this node connecting piece fortune to the on-the-spot assembly can.
(2) The utility model discloses a steel pipe concrete frame node is the frame node of high strength core bolt and node connection spare, belongs to semi-rigid node, to main part roof beam, the column member does not have the welding heat affected zone, and anti-seismic performance is excellent, the ductility is good, the power consumption ability is strong, node rigidity is big.
(3) Through the finite element simulation discovery, the utility model discloses a node connecting piece can carry out antidetonation damage control to the frame node, concentrates on this node connecting piece with frame node plasticity damage power consumption, makes main part roof beam, post component be in the harmless stage of elasticity, in the restoration after the earthquake, only needs to carry out simple change operation to the node connecting piece and can make the structure resume normal use function.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural diagram of the node connecting member of the present invention.
Fig. 2 is the structural schematic diagram of the steel pipe concrete frame node of the utility model.
Fig. 3 is a main sectional view of fig. 2.
The reference numerals in the figures denote:
1-a steel pipe concrete column, 2-an H-shaped steel beam, 3-a node connecting piece, 4-a bolt and 5-concrete;
11-fourth connecting hole, 12-PCV pipe;
21-H-shaped steel beam flange plates and 22-H-shaped steel beam web plates;
31-a first connecting plate, 32-a second connecting plate, 33-a shear resisting plate, 34-a stiffening rib plate and 35-a gap;
311-first connection hole, 321-second connection hole, 331-third connection hole.
The following detailed description of the present invention is provided in connection with the accompanying drawings and the detailed description of the invention.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper and lower" are generally defined with reference to the drawing plane of the corresponding drawing, and "inner and outer" are defined with reference to the outline of the corresponding drawing.
As shown in fig. 1, the utility model discloses an embodiment provides a node connecting piece, this node connecting piece is including the first connecting plate 31 that is used for connecting steel core concrete column 1, a second connecting plate 32 for connecting H shaped steel roof beam flange board 21, a shear resisting board 33 and the stiffener 34 for connecting H shaped steel web 22, first connecting plate 31 and second connecting plate 32 are connected and are formed T type structure, stiffener 34 and shear resisting board 33 set up the both sides at second connecting plate 32 respectively, shear resisting board 33 and second connecting plate 32 mutually perpendicular, and be provided with between shear resisting board 33 and the second connecting plate 32 and supply H shaped steel roof beam flange board male clearance 35.
The stiffening rib plates 34 are arranged perpendicular to the first connecting plate 31 and the second connecting plate 32, specifically, one side of each stiffening rib plate 34 is welded to the upper half of the first connecting plate 31, the other side of each stiffening rib plate is welded to the second connecting plate 32, and the intersection corner points of the two vertical sides are provided with welding holes. In practice, the stiffening rib 34 may be disposed in the middle of the second connecting member 32 or two stiffening ribs may be disposed in parallel. The shear-resistant plate 33 is welded to the lower half of the first connecting member 31.
The first connecting plate 31 is provided with a first connecting hole 311, the second connecting plate 32 is provided with a second connecting hole 321, and the shear plate 33 is provided with a third connecting hole 331. In an embodiment of the present invention, there are four first connection holes 311, which are symmetrically disposed on the first connection plate 31 with the position of the H-beam flange plate 21 as the center, four second connection holes 321, which are symmetrically disposed on the second connection plate 32, and two third connection holes 331.
As shown in fig. 2, the utility model discloses a removable steel core concrete frame node is lost in earthquake in another embodiment, this frame node includes steel core concrete column 1, H shaped steel roof beam 2 and sets up the node connecting piece 3 in steel core concrete column 1 and H shaped steel roof beam 2 connected node, wherein, node connecting piece 3 is the node connecting piece that records in above-mentioned embodiment, and this node connecting piece 3 sets up between every flange board 21 of steel core concrete column 1 and H shaped steel roof beam.
The concrete-filled steel tube column 1 is provided with a fourth connecting hole 11 corresponding to the first connecting hole, the fourth connecting hole 11 penetrates through the whole concrete-filled steel tube column, and two first connecting plates 31 corresponding to two sides of the concrete-filled steel tube column 1 are fixed through bolts 4, so that the two first connecting plates are fixed on the concrete-filled steel tube column 1. Specifically, in this embodiment, there are also four fourth connection holes 11, and the forming process of the fourth connection holes is as follows: and a hole is formed in the position corresponding to the first connecting hole 311, the PVC pipe 12 is embedded, and a gap between the PVC pipe 12 and the hole is tightly filled with sealing materials such as glass cement and the like, so that slurry leakage is prevented. Concrete 5 is poured into the square steel tube at a construction site to form a steel tube concrete column 1, and a hole formed by the PVC tube is a fourth connecting hole 11.
A fifth connecting hole (not shown) corresponding to the second connecting hole 321 is formed in the H-beam flange plate 21, and a sixth connecting hole (not shown) corresponding to the third connecting hole 331 is formed in the H-beam web plate 22. The second connecting plate 32 is fixed on the flange plate 21 of the H-shaped steel beam through bolts 4, and the shear resisting plate 33 is fixed on the web plate 22 of the H-shaped steel beam through bolts 4. In this embodiment, there are four fifth connection holes and two sixth connection holes, and the bolt 4 is a high-strength bolt.
In addition, the shear resisting plates 33 on the two joint connecting pieces on the same side of the steel pipe concrete column 1 can be arranged on the same side or two sides of the H-shaped steel beam web plate 22, so that the shear resisting force is provided for the frame joint.
When the node is repaired after earthquake, one of the node connecting pieces 3 can be replaced, and the other node connecting piece can be used as a temporary support of the H-shaped steel beam 2.
The utility model discloses a connected node guarantees that main part beam column component is in elastic state in the earthquake, and the moulding deformation of structure is concentrated on node connection spare department basically under the earthquake effect, forms the energy that the earthquake of plasticity hinge dissipation transmitted for the structure through node connection spare.
The various features described in the foregoing detailed description can be combined in any suitable manner without departing from the spirit of the invention, and should also be construed as disclosed in the invention.
Claims (6)
1. A node connecting piece is characterized by comprising a first connecting plate (31) used for connecting a steel pipe concrete column (1), a second connecting plate (32) used for connecting an H-shaped steel beam flange plate (21), a shear-resistant plate (33) used for connecting an H-shaped steel beam web plate (22) and a stiffening rib plate (34), wherein the first connecting plate (31) and the second connecting plate (32) are connected to form a T-shaped structure, the stiffening rib plate (34) and the shear-resistant plate (33) are respectively arranged on two sides of the second connecting plate (32), the shear-resistant plate (33) is perpendicular to the second connecting plate (32), and a gap (35) for inserting the H-shaped steel beam flange plate is arranged between the shear-resistant plate (33) and the second connecting plate (32);
the first connecting plate (31) is provided with a first connecting hole (311), the second connecting plate (32) is provided with a second connecting hole (321), and the shear resistant plate (33) is provided with a third connecting hole (331).
2. A nodal connection according to claim 1, characterised in that said stiffening ribs (34) are arranged perpendicularly to the first and second connection plates (31, 32), one or two stiffening ribs (34) being arranged side by side.
3. The node connecting member as claimed in claim 1, wherein the first connecting holes (311) are symmetrically arranged with respect to the position of the flange plate (21) of the H-beam.
4. A steel pipe concrete frame node with replaceable earthquake damage, which comprises a steel pipe concrete column (1), an H-shaped steel beam (2) and a node connecting piece (3) arranged at the connecting node of the steel pipe concrete column (1) and the H-shaped steel beam (2), and is characterized in that the node connecting piece (3) is a connecting piece according to any one of claims 1 to 3, and the node connecting piece (3) is arranged between the steel pipe concrete column (1) and each flange plate (21) of the H-shaped steel beam;
a fourth connecting hole (11) corresponding to the first connecting hole (311) is formed in the steel tube concrete column (1), the fourth connecting hole (11) penetrates through the whole steel tube concrete column, a fifth connecting hole corresponding to the second connecting hole (321) is formed in the H-shaped steel beam flange plate (21), and a sixth connecting hole corresponding to the third connecting hole (331) is formed in the H-shaped steel beam web plate (22); two first connecting plates (31) corresponding to two sides of the steel tube concrete column (1) are fixed through bolts (4), a second connecting plate (32) is fixed on an H-shaped steel beam flange plate (21) through the bolts (4), and a shear plate (33) is fixed on an H-shaped steel beam web plate (22) through the bolts (4).
5. A steel tube concrete frame joint with shock replaceable according to claim 4, characterized in that the shear plates (33) on the two joint connectors on the same side of the steel tube concrete column (1) can be arranged on the same side or on both sides of the H-beam web (22).
6. The earthquake damage replaceable concrete filled steel tube frame node as recited in claim 4, characterized in that PCV pipe (12) is preset in the fourth connecting hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396186.1U CN211007083U (en) | 2019-08-26 | 2019-08-26 | Node connecting piece and steel pipe concrete frame node with replaceable seismic damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396186.1U CN211007083U (en) | 2019-08-26 | 2019-08-26 | Node connecting piece and steel pipe concrete frame node with replaceable seismic damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211007083U true CN211007083U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921396186.1U Expired - Fee Related CN211007083U (en) | 2019-08-26 | 2019-08-26 | Node connecting piece and steel pipe concrete frame node with replaceable seismic damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211007083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319590A (en) * | 2022-02-25 | 2022-04-12 | 西安建筑科技大学 | Self-resetting composite structure beam column joint and construction method thereof |
| CN115370002A (en) * | 2022-08-05 | 2022-11-22 | 浙江绿筑集成科技有限公司 | Beam-column rigid connection node and construction method |
-
2019
- 2019-08-26 CN CN201921396186.1U patent/CN211007083U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319590A (en) * | 2022-02-25 | 2022-04-12 | 西安建筑科技大学 | Self-resetting composite structure beam column joint and construction method thereof |
| CN115370002A (en) * | 2022-08-05 | 2022-11-22 | 浙江绿筑集成科技有限公司 | Beam-column rigid connection node and construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20210826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |