CN220246652U - X-shaped intersecting node structure in building structure - Google Patents
X-shaped intersecting node structure in building structure Download PDFInfo
- Publication number
- CN220246652U CN220246652U CN202322045821.4U CN202322045821U CN220246652U CN 220246652 U CN220246652 U CN 220246652U CN 202322045821 U CN202322045821 U CN 202322045821U CN 220246652 U CN220246652 U CN 220246652U
- Authority
- CN
- China
- Prior art keywords
- ring
- stiffening
- pipe
- main pipe
- shaped
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 230000035515 penetration Effects 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses an X-shaped intersecting node structure in a building structure. The X-shaped intersecting node structure is formed by two branch pipes which are coaxially and intersecting and penetration welded with the outer walls of two sides of a main pipe, and a stiffening structure is arranged in the main pipe of an X-shaped intersection point; the stiffening structure is composed of a plurality of groups of stiffening rings which are arranged in parallel, and the planes of the stiffening rings of each group are arranged in parallel along the axial direction of the branch pipe; each group of stiffening rings consists of a ring plate and a ring pipe, wherein the ring pipe is positioned in the radial center of the stiffening ring, the outer wall of the stiffening ring is fixed with the peripheral wall of the inner hole of the ring plate in a penetration welding manner, and the peripheral wall of the ring plate is fixed with the inner wall of the main pipe in a penetration welding manner. The stiffening structure can effectively improve the rigidity and strength of the joint of the intersecting welded steel pipes, transfer force evenly, reduce stress concentration degree and improve the overall bearing capacity and stability of the joint; the bridge has the advantages of simple structure, stability, reliability, easy manufacturing process and convenient installation, can effectively improve the overall performance and service life of the bridge, reduces the construction difficulty and cost, and has wide application prospect.
Description
Technical Field
The utility model belongs to the technical field of building structure design, relates to a node structure of a building structure cross brace, and particularly relates to an X-shaped intersecting node structure in a building structure.
Background
In the building structure, the net shell structure is used for steel structure designs of modern gymnasiums, exhibition halls, bridges and the like due to the fact that the net shell structure is symmetrical in shape and uniform in stress, for example, in the bridge net shell structure, the net shell structure bears the effects of pressure, shearing force and bending torsion, X-shaped intersecting nodes of the structure are more and more stressed and complex, high in manufacturing difficulty and difficult to install and construct, meanwhile, the overall rigidity and stability of the nodes are poor, and the requirements of high strength and high stability of bridge construction are difficult to meet. The fatigue damage problem of the bridge intersecting points is always one of five difficulties in the world bridge construction, and has not been solved perfectly so far.
Disclosure of Invention
The utility model discloses an X-shaped intersecting node structure in a building structure. The utility model aims to provide an X-shaped bridge intersecting node structure with internal stiffening, which is used for improving the bearing capacity and stability of the node.
The utility model is realized by the following technical scheme:
an X-shaped intersecting node structure in a building structure, characterized in that: the X-shaped intersecting node structure is formed by two branch pipes which are coaxially intersecting and penetration welded with the outer walls of two sides of the main pipe, and a stiffening structure is arranged in the main pipe of the X-shaped intersection point; the stiffening structure is composed of a plurality of groups of stiffening rings which are arranged in parallel, and the planes of the stiffening rings of each group are arranged in parallel along the axial direction of the branch pipe; each group of stiffening rings consists of a ring plate and a ring pipe, wherein the ring pipe is positioned in the radial center of the stiffening ring, the outer wall of the stiffening ring is fixed with the peripheral wall of the inner hole of the ring plate in a penetration welding manner, and the peripheral wall of the ring plate is fixed with the inner wall of the main pipe in a penetration welding manner. The number, the material and the material thickness of the stiffening structures are determined according to the stress condition and the construction difficulty.
The stiffening rings which are arranged in parallel are provided with ring plates and ring pipes with the same size, and the construction sizes of the ring plates and the ring pipes are in accordance with the following formula:
wherein: bs0 is 1/2 of the loop length (mm); ts0 is the thickness (mm) of the collar; hs is the width (mm) of the ring plate; ts is the wall thickness (mm) of the annular plate; fy is the yield strength (Mpa) of the steel;
the stiffening rings which are further arranged in parallel are provided with ring plates and ring pipes, wherein the thickness of the ring plates is not less than the wall thickness of the branch pipes, not less than 2/3 of the wall thickness of the main pipe and 1/40 of the inner diameter of the main pipe, and the thickness of the ring pipes is less than 5mm than the thickness of the ring plates;
the main pipe and the two branch pipes are equal-diameter steel pipes, and the included angle between the main pipe and the branch pipes is smaller than 90 degrees.
The spacing between the forming weld joint of the stiffening ring and the main pipe and the intersecting weld joint of the main pipe and the branch pipe is more than 100mm.
Compared with the prior art, the X-shaped intersecting node structure has the following beneficial effects:
the X-shaped joint with the internal stiffening structure can effectively improve the rigidity and strength of the joint of the intersecting welded steel pipes, transfer force evenly, reduce stress concentration degree and improve the overall bearing capacity and stability of the joint. The number of the internal stiffening structures arranged at the X-shaped intersecting nodes, and the thickness of the stiffening structures and the material are positively correlated with the bearing capacity and the stability of the nodes. The X-shaped node structure has the advantages of simple structure, stability, reliability, easy manufacturing process, convenient installation and the like, can effectively improve the overall performance and the service life of a bridge, can reduce the volume and the weight of the node, and reduces the construction difficulty and the cost. The cross brace node structure is suitable for cross brace node structures of various bridge structures, and has wide application prospect.
Drawings
Fig. 1 is a schematic diagram of a bridge reticulated shell structure according to an embodiment of the present utility model.
FIG. 2 is a schematic plan view of an X-type node of the present utility model.
FIG. 3 is a schematic cross-sectional view of a intersecting node of the utility model.
FIG. 4 is a schematic view of a stiffening structure according to the present utility model.
Fig. 5 is a schematic view of the constructional dimensions of the ring plate and collar.
The reference numerals in the figures illustrate: 1-main pipe, 2-branch pipe I, 3-branch pipe II, 4-annular plate, 5-annular pipe and A-penetration welding.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
The X-shaped intersecting node structure in the building structure of the utility model comprises: one is responsible for 1, two branch pipes, branch pipe one 2 and branch pipe two 3, inside stiffening structure. The main pipe 1 and the branch pipe are intersected to form an X-type, and an internal stiffening structure is arranged at the X-type intersection point.
The main pipe 1 is a through pipe, and the two branch pipes, the first branch pipe 2 and the second branch pipe 3 are welded on the outer wall of the main pipe 1 in a penetration way, and the main pipe 1 and the branch pipes are equal-diameter steel pipes.
As shown in the figure, a plurality of groups of stiffening structures parallel to the branch pipes are arranged in the main pipe 1, and the number and the material thickness of the stiffening structures are determined according to the stress condition and the construction difficulty.
The stiffening structure consists of two parts, namely a ring plate 4 and a ring pipe 5, wherein the ring stiffening plate at the outer side is the ring plate 4, and the short round pipe at the center is the ring pipe 5. The inner side of the annular plate 4 is welded with the annular pipe 5 in a penetration way, and the outer side of the annular plate 4 is welded with the main pipe 1 in a penetration way.
The welding of each part of the utility model is penetration welding, wherein the interval between the forming welding seam of the main pipe 1 and the stiffening structure and the intersecting welding seam of the main pipe 1 and each branch pipe is more than 100mm.
The main pipe 1, each branch pipe and the internal stiffening structure are made of Q235 steel, Q345 steel, Q420 steel, Q460 steel, weldable aluminum alloy materials or intersecting connection composite materials.
As shown in fig. 1, the latticed shell arch structure of the bridge of the embodiment comprises a plurality of transverse struts, wherein the transverse struts are connected through X-shaped intersecting node structures, and the nodes directly participate in the stress of the bridge.
As shown in fig. 2, the present utility model provides an internally stiffened X-shaped intersecting node structure comprising: one main pipe 1, two branch pipes, a branch pipe I2 and a branch pipe II 3, a ring plate 4 with an internal stiffening structure and a ring pipe 5. The main pipe 1 and the branch pipes are intersected to form an X-shaped, and 4 stiffening structures parallel to the branch pipe I2 and the branch pipe II 3 are arranged in the main pipe 1 at the X-shaped intersection point.
As shown in fig. 2 and 3, the main pipe 1 of the X-shaped tubular joint is a through pipe, the branch pipe 1 and the branch pipe 3 are welded on the main pipe 1, and the included angle between the main pipe and the branch pipe 2 and the branch pipe 3 is 66.8 degrees. The pipe diameters of the main pipe 1 and each branch pipe are 1000mm, and the wall thickness is 40mm.
As shown in fig. 3 and 4, the stiffening structure consists of two parts, namely a ring plate 4 and a ring pipe 5, wherein the plate thickness of the ring plate 4 is 35mm, the wall thickness of the ring pipe 5 is 30mm, and the inner diameter is 450mm; the inner side of the annular plate 4 is welded with the annular pipe 5, and the outer side of the annular plate 4 is welded with the main pipe 1.
As shown in the figure, the welding in the embodiment is penetration welding A, and the distance between the forming weld joint of the main pipe and the intersecting weld joint of the main pipe and the branch pipe is more than 100mm; the main pipe, the branch pipe and the internal stiffening structure are made of Q420qdZ25 steel.
The utility model researches the influence of the arrangement direction of the inner reinforcing rings, the number of the reinforcing rings and the thickness of the reinforcing rings on the static performance of the X-shaped node. The study proves that: the X-shaped intersecting node has better stress performance and static load capacity when being arranged parallel to the branch pipes by adopting an internal reinforcing structure; the number and thickness of the internal stiffening formations is positively correlated with the X-type node force capability and static load capacity.
The X-shaped node structure has the advantages of simple structure, stability, reliability, easy manufacturing process, convenient installation and the like. The rigidity and the strength of the joint of the intersecting welded steel pipes can be effectively improved, the force transmission is uniform, the stress concentration degree is reduced, and the overall bearing capacity and the stability of the joint are improved. The cross brace node structure is suitable for cross brace node structures of various bridge structures, and has wide application prospect.
Claims (5)
1. An X-shaped intersecting node structure in a building structure, characterized in that: the X-shaped intersecting node structure is formed by two branch pipes which are coaxially intersecting and penetration welded with the outer walls of two sides of the main pipe, and a stiffening structure is arranged in the main pipe of the X-shaped intersection point; the stiffening structure is composed of a plurality of groups of stiffening rings which are arranged in parallel, and the planes of the stiffening rings of each group are arranged in parallel along the axial direction of the branch pipe; each group of stiffening rings consists of a ring plate and a ring pipe, wherein the ring pipe is positioned in the radial center of the stiffening ring, the outer wall of the stiffening ring is fixed with the peripheral wall of the inner hole of the ring plate in a penetration welding manner, and the peripheral wall of the ring plate is fixed with the inner wall of the main pipe in a penetration welding manner.
2. The X-shaped intersecting node structure in a building structure according to claim 1, wherein: the stiffening rings which are arranged in parallel are provided with ring plates and ring pipes with the same size, and the construction sizes of the ring plates and the ring pipes meet the following formula:
wherein: bs0 is 1/2 of the loop length in mm; ts0 is the thickness of the collar in mm; hs is the width of the annular plate, and the unit is mm; ts is the wall thickness of the annular plate, in mm; fy is the yield strength of the steel material, and is expressed in Mpa.
3. The X-shaped intersecting node structure in a building structure according to claim 1, wherein: the stiffening rings which are arranged in parallel are provided with ring plates and ring tubes with the same size, the thickness of the ring plates is not less than the wall thickness of the branch tubes, not less than 2/3 of the wall thickness of the main tubes and 1/40 of the inner diameter of the main tubes, and the thickness of the ring tubes is less than 5mm of the thickness of the ring plates.
4. A construction of an X-shaped intersecting node in a building structure according to claim 1 or 2 or 3, characterized in that: the main pipe and the two branch pipes are equal-diameter steel pipes, and the included angle between the main pipe and the branch pipes is smaller than 90 degrees.
5. The X-shaped intersecting node structure in a building structure as defined in claim 4, wherein: the spacing between the forming weld joints of the stiffening ring and the main pipe and the intersecting weld joints of the main pipe and the branch pipe is more than 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045821.4U CN220246652U (en) | 2023-08-01 | 2023-08-01 | X-shaped intersecting node structure in building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045821.4U CN220246652U (en) | 2023-08-01 | 2023-08-01 | X-shaped intersecting node structure in building structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246652U true CN220246652U (en) | 2023-12-26 |
Family
ID=89229451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322045821.4U Active CN220246652U (en) | 2023-08-01 | 2023-08-01 | X-shaped intersecting node structure in building structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246652U (en) |
-
2023
- 2023-08-01 CN CN202322045821.4U patent/CN220246652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4276005B1 (en) | Floating-type foundation structure of steel tube-supported prestressed concrete | |
| CN104847015A (en) | Assembled joint applicable to monolayer triangular space grid structure | |
| CN213233784U (en) | Reinforced aluminum alloy single-layer space grid structure | |
| CN112854602A (en) | Hollow corrugated pipe interlayer steel pipe concrete column | |
| CN220246652U (en) | X-shaped intersecting node structure in building structure | |
| CN204475668U (en) | A kind of FRP pipe-concrete-many steel pipe hollows combine single case or many casees multicell beam | |
| CN110108151B (en) | Natural ventilation cooling tower and reinforced steel pipe concrete X pillar thereof | |
| CN218543520U (en) | Welded corrugated pipe | |
| CN216739227U (en) | Super-long strong-energy-consumption self-resetting buckling-restrained brace | |
| CN104563390A (en) | FRP (fiber reinforce plastic) tube-concrete-multiple steel tube hollow combined single-box or multi-box multi-compartment beam | |
| CN111663663B (en) | Non-central intersection stiffening bulb tube node of multi-rod space tube truss and application | |
| CN210217263U (en) | Cross plane truss system steel structure cooling tower | |
| CN210439540U (en) | Pipeline building block | |
| CN110685352A (en) | Assembled node with prestressed aluminum alloy combined component | |
| CN108951859B (en) | Building steel structure composite node adopting CrNiMn high-alloy welding material and cast-weld structure | |
| CN214302550U (en) | Pipe truss built-up connection structure | |
| CN210917769U (en) | Novel steel-pipe column beam column node | |
| CN105297896A (en) | Punching corbel haunch type compound steel pipe concrete column-steel beam node | |
| CN207063156U (en) | Connection node for single-layer grid structure | |
| CN216810613U (en) | Large-span steel truss structure | |
| CN210658700U (en) | Assembled node with prestressed aluminum alloy combined component | |
| CN210422645U (en) | Prefabricated joint structure for space steel pipe net rack | |
| CN214368291U (en) | Metal steel pipe with good stability | |
| CN208268180U (en) | A kind of bracing members with a variety of mounting structures | |
| CN215367841U (en) | Composite section steel pipe concrete column and steel beam connection node structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |