CN206681149U - A kind of aluminium alloy compound concrete filled steel tubular member - Google Patents
A kind of aluminium alloy compound concrete filled steel tubular member Download PDFInfo
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- CN206681149U CN206681149U CN201720160674.7U CN201720160674U CN206681149U CN 206681149 U CN206681149 U CN 206681149U CN 201720160674 U CN201720160674 U CN 201720160674U CN 206681149 U CN206681149 U CN 206681149U
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- Prior art keywords
- concrete
- aluminium
- pipe
- tubular member
- steel pipe
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- 239000004567 concrete Substances 0.000 title claims abstract description 130
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 118
- 239000010959 steel Substances 0.000 title claims abstract description 118
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 90
- 150000001875 compounds Chemical class 0.000 title claims abstract description 37
- 239000011083 cement mortar Substances 0.000 claims description 12
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003755 preservative agent Substances 0.000 abstract description 5
- 230000002335 preservative effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Revetment (AREA)
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Abstract
The utility model discloses a kind of aluminium alloy compound concrete filled steel tubular member, including core concrete, steel pipe, middle layer concrete and the aluminium-alloy pipe set gradually from the inside to the outside, the core concrete is filled in the steel pipe, the aluminium-alloy pipe is set in outside the steel pipe, and the middle layer concrete is annularly filled between the outer wall of the steel pipe and the inwall of the aluminium-alloy pipe.A kind of aluminium alloy compound concrete filled steel tubular member of the utility model, there is more preferable decay resistance on the basis of excellent mechanical performances and economic performance is ensured.A kind of theory of constitution of aluminium alloy compound concrete filled steel tubular member of the utility model is clear, simple structure, is not required to special preservative treatment, can be widely used in the environment of the media that are corrosive such as offshore structures, ocean platform and special industry building.
Description
Technical field
The utility model is related to technical field of civil engineering, and in particular to be a kind of aluminium alloy compound concrete filled steel tube structure
Part.
Background technology
Concrete filled steel tube is made up of outside steel pipe and core concrete two parts, is a kind of steel-concrete combined structure structure
Part.Two kinds of combinations of different materials, form the excellent mechanics of concrete filled steel tube and workability, reason are：Outside steel pipe
Lateral confinement effect is played to core concrete so that concrete be in triaxial stress state, improve the intensity of concrete with
Deformability；Core concrete can effectively prevent the steel pipe of relative thin-walled from buckling failure occurs to early；In addition, outside steel pipe can be made
For the permanent template of core concrete, working procedure is reduced, accelerates speed of application.Therefore, concrete filled steel tube is because of its superior power
Learn and workability obtains extensive engineer applied.
In Practical Project, the outside steel pipe Chang Yinwei in concrete filled steel tube obtains regular and strict preservative treatment, corrosion
Phenomenon is of common occurrence, influences the normal use of building, the mechanical property of structural elements can be caused to weaken when serious, causes safety hidden
Suffer from.The shortcomings that steel pipe corrosion-proof ability, the later maintenance expense of concrete filled steel tube component is not only increased, while also limited
Application of such structural elements in perishable environment.Therefore, it not only can guarantee that good economic performance but also can avoid or subtract
Under the precondition of few preservative treatment process, the decay resistance of concrete filled steel tube component how is improved, is to promote steel pipe
One of key technology of concrete structure broader applications.
Utility model content
The purpose of this utility model is to provide a kind of aluminium alloy compound concrete filled steel tubular member, mixed compared to common steel tube
Native component is coagulated, the aluminium alloy compound concrete filled steel tubular member has more preferable on the basis of mechanical property and economic performance is ensured
Decay resistance.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of aluminium alloy compound concrete filled steel tubular member, including set gradually from the inside to the outside core concrete, steel pipe, in
Between layer concrete and aluminium-alloy pipe, the core concrete is filled in the steel pipe, and the aluminium-alloy pipe is set in described
Outside steel pipe, the middle layer concrete is annularly filled between the outer wall of the steel pipe and the inwall of the aluminium-alloy pipe.
The steel pipe is carbon steel tubing or alloy pipe.
The wall thickness of the aluminium-alloy pipe is not more than the wall thickness of the steel pipe.
The length of the aluminium-alloy pipe is identical with the length of the steel pipe.
The core concrete is armored concrete, cement mortar, cement mortar or other different types of concrete, institute
It is cement mortar, cement mortar or other different types of concrete to state middle layer concrete.
The shape of cross section of the aluminium alloy compound concrete filled steel tubular member is circular, ellipse or polygon.
The shape of cross section of the aluminium alloy compound concrete filled steel tubular member is square or rectangle.
The preparation method of the aluminium alloy compound concrete filled steel tubular member, comprises the following steps：
(1) material prepares：Steel pipe and aluminium-alloy pipe are cut to by corresponding length according to design requirement；
(2) localization process：Steel pipe and aluminium-alloy pipe are positioned so that the centre of form of steel pipe and the centre of form phase of aluminium-alloy pipe
Overlap, the both ends of steel pipe and the both ends flush of aluminium-alloy pipe；
(3) core concrete is poured：It is using the instrument of vibrating that concrete vibrating is close by the inside of filling concrete to steel pipe
It is real, form the core concrete of filling steel pipe；
(4) middle layer concrete is poured：By filling concrete between steel pipe and aluminium-alloy pipe, will be mixed using the instrument of vibrating
Native vibration compacting is coagulated, forms middle layer concrete；
(5) concrete curing：Maintenance processing is carried out to the core concrete and middle layer concrete for pouring completion, obtain by
The aluminium alloy compound concrete filled steel tubular member that core concrete, steel pipe, middle layer concrete and aluminium-alloy pipe combine.
In step (4), when the space between steel pipe and aluminium-alloy pipe leads to not vibrate less than certain distance, it can also adopt
It is filled into Self-leveling self-compaction grouting material between steel pipe and aluminium-alloy pipe, so as to complete pouring for middle layer concrete.
After said structure, a kind of aluminium alloy compound concrete filled steel tubular member of the utility model, have below beneficial to effect
Fruit：
(1) combined member collectively constituted by the steel pipe of the aluminium-alloy pipe of outer layer, middle layer concrete and internal layer can have
Effect constraint core concrete, improve the bearing capacity ability of core concrete；
(2) core concrete and middle layer concrete provide effective lateral support effect for the steel pipe of internal layer, prevent or
Delay the steel pipe of internal layer that buckling failure occurs, improve the stability of steel pipe positioned at internal layer and effective utilization of steel strength
Rate；
(3) aluminium-alloy pipe of outer layer and middle layer concrete annular in shape isolate the steel pipe of inside with external environment condition, have
Effect improves integrally-built decay resistance；
(4) layer concrete provides effect of contraction for the aluminium-alloy pipe of outer layer among, prevents in the aluminium-alloy pipe generation of outer layer
Recessed buckling failure, the aluminium-alloy pipe of outer layer have good corrosion resistance in itself, can be according to actual environment from different grades of
Aluminium alloy pipe, the engineer applied demand being suitable under most of the circumstances.
To sum up, compared to common steel tube concrete component, the aluminium alloy compound concrete filled steel tubular member can be with saving member
Later maintenance expense, reduce safeguard it is improper caused by potential safety hazard, and good appearance；Compared to stainless steel tube concrete structure
Part, the aluminium alloy compound concrete filled steel tubular member have more preferable economy.Therefore, a kind of aluminium alloy compound steel of the utility model
Pipe concrete component, there is more preferable decay resistance on the basis of mechanical property and economic performance is ensured.The utility model
A kind of aluminium alloy compound concrete filled steel tubular member clear principle, the simple structure proposed, is not required to special preservative treatment, can be near
Widely used in the environment for the medium that is corrosive such as sea building, ocean platform and special industry building.
Brief description of the drawings
Fig. 1 is a kind of structural representation of aluminium alloy compound concrete filled steel tubular member of the utility model；
Fig. 2 is a kind of cross-sectional view of aluminium alloy compound concrete filled steel tubular member of the utility model.
In figure：
The steel pipe 2 of core concrete 1
The middle aluminium-alloy pipe 4 of layer concrete 3
Embodiment
In order to which the technical solution of the utility model is explained further, the utility model is entered below by specific embodiment
Row elaborates, in description of the present utility model, it is to be understood that orientation or position on the instruction such as " interior ", " outer "
It is based on orientation shown in the drawings or position relationship to put relation.
A kind of aluminium alloy compound concrete filled steel tubular member, as shown in figure 1, including the core coagulation set gradually from the inside to the outside
Soil 1, steel pipe 2, middle layer concrete 3 and aluminium-alloy pipe 4, core concrete 1 are filled in steel pipe 2, and aluminium-alloy pipe 4 is set in
Outside steel pipe 2, middle layer concrete 3 is annularly filled between the outer wall of steel pipe 2 and the inwall of aluminium-alloy pipe 4.
Preferably, steel pipe 2 is carbon steel tubing or alloy pipe.
Preferably, the wall thickness of aluminium-alloy pipe 4 is not more than the wall thickness of steel pipe 2, and the main function of aluminium-alloy pipe 4 is to improve entirety
The decay resistance of component.
Preferably, the length of aluminium-alloy pipe 4 is identical with the length of steel pipe 2, can effectively be filled so as to the aluminium-alloy pipe 4 of outer layer
Prevent or delay the steel pipe 2 of internal layer that corrosion occurs with dividing.
Preferably, core concrete 1 is armored concrete, cement mortar, cement mortar or other different types of coagulations
Soil, middle layer concrete 3 is cement mortar, cement mortar or other different types of concrete, to adapt to different engineerings
Need.
Preferably, the shape of cross section of aluminium alloy compound concrete filled steel tubular member be circular, oval, square, rectangle or
Other polygons of person, as shown in Fig. 2 the shape of cross section of the aluminium alloy compound concrete filled steel tubular member is circle, it is ensured that by
Power is uniform, and performance is more preferable.
The preparation method of the aluminium alloy compound concrete filled steel tubular member, comprises the following steps：
(1) material prepares：The steel pipe 2 of circle and aluminium-alloy pipe 4 are cut to by identical length according to design requirement, wherein
The internal diameter of aluminium-alloy pipe 4 is more than the external diameter of steel pipe 2, and the wall thickness of aluminium-alloy pipe 4 is not more than the wall thickness of steel pipe 2；
(2) localization process：Steel pipe 2 is fixed on an interim steel plate vertically by way of welding, then by aluminium-alloy pipe 4
Be enclosed on outside steel pipe 2, enable aluminum alloy to pipe 4 the center of circle overlapped with the center of circle of steel pipe 2 after, aluminium-alloy pipe 4 is also welded to interim steel plate
On, the steel pipe 2 of internal layer is concordant with the both ends difference of the aluminium-alloy pipe 4 of outer layer；
(3) core concrete is poured：Mixing concrete is matched by design, by the filling concrete prepared to steel pipe 2
Portion, the closely knit formation of concrete vibrating is filled to the core concrete 1 of steel pipe using the instrument of vibrating；
(4) middle layer concrete is poured：By filling concrete between steel pipe 2 and aluminium-alloy pipe 4, incited somebody to action using the instrument that vibrates
Concrete vibrating is closely knit, forms middle layer concrete 3；
(5) concrete curing：Maintenance processing is carried out to the core concrete 1 and middle layer concrete 3 for pouring completion, obtained
The aluminium alloy compound concrete filled steel tube combined by core concrete 1, steel pipe 2, middle layer concrete 3 and aluminium-alloy pipe 4
Component.
In step (4), the raw material of middle layer concrete 3 can use identical construction material with core concrete 1, work as steel pipe
When space between 2 and aluminium-alloy pipe 4 leads to not vibrate less than certain distance, Self-leveling self-compaction grouting material can also be used
Deng other construction materials.
After said structure, a kind of aluminium alloy compound concrete filled steel tubular member of the utility model, have below beneficial to effect
Fruit：
(1) combined member collectively constituted by the steel pipe 2 of the aluminium-alloy pipe 4 of outer layer, middle layer concrete 3 and internal layer can
Operative constraint core concrete 1, improve the bearing capacity ability of core concrete；
(2) core concrete 1 and middle layer concrete 3 provide effective lateral support effect for the steel pipe 2 of internal layer, prevent
Or delay the steel pipe 2 of internal layer that buckling failure occurs, improve the stability of steel pipe and effective profit of steel strength positioned at internal layer
With rate；
(3) aluminium-alloy pipe 4 of outer layer and middle layer concrete 3 annular in shape isolate the steel pipe 2 of inside with external environment condition,
Effectively increase integrally-built decay resistance；
(4) layer concrete 3 provides effect of contraction for the aluminium-alloy pipe 4 of outer layer among, prevents the aluminium-alloy pipe 4 of outer layer from occurring
Indent buckling failure, the aluminium-alloy pipe 4 of outer layer itself have good corrosion resistance, can select different brackets according to actual environment
Aluminium alloy pipe, the engineer applied demand being suitable under most of the circumstances.
To sum up, compared to common steel tube concrete component, the aluminium alloy compound concrete filled steel tubular member can be with saving member
Later maintenance expense, reduce safeguard it is improper caused by potential safety hazard, and good appearance；Compared to stainless steel tube concrete structure
Part, the aluminium alloy compound concrete filled steel tubular member have more preferable economy.Therefore, a kind of aluminium alloy compound steel of the utility model
Pipe concrete component, there is more preferable decay resistance on the basis of mechanical property and economic performance is ensured.
The utility model proposes a kind of aluminium alloy compound concrete filled steel tubular member clear principle, simple structure, be not required to spy
Different preservative treatment, can be in the environment of the media that are corrosive such as offshore structures, ocean platform and special industry building extensively
Use.
Above-described embodiment and schema and non-limiting product form of the present utility model and style, any art
The appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from patent category of the present utility model.
Claims (7)
1. a kind of aluminium alloy compound concrete filled steel tubular member, including set gradually from the inside to the outside core concrete, steel pipe, centre
Layer concrete and aluminium-alloy pipe, it is characterised in that：The core concrete is filled in the steel pipe, the aluminium alloy pipe sleeve
It is located at outside the steel pipe, the middle layer concrete is annularly filled in the outer wall of the steel pipe and the inwall of the aluminium-alloy pipe
Between.
A kind of 2. aluminium alloy compound concrete filled steel tubular member according to claim 1, it is characterised in that：The steel pipe is carbon
Plain steel pipe or alloy pipe.
A kind of 3. aluminium alloy compound concrete filled steel tubular member according to claim 1, it is characterised in that：The aluminium-alloy pipe
Wall thickness be not more than the steel pipe wall thickness.
A kind of 4. aluminium alloy compound concrete filled steel tubular member according to claim 1, it is characterised in that：The aluminium-alloy pipe
Length it is identical with the length of the steel pipe.
A kind of 5. aluminium alloy compound concrete filled steel tubular member according to claim 1, it is characterised in that：The core coagulation
Soil is armored concrete, cement mortar, cement mortar or other different types of concrete, and the middle layer concrete is cement
Mortar, cement mortar or other different types of concrete.
A kind of 6. aluminium alloy compound concrete filled steel tubular member according to claim 1, it is characterised in that：The aluminium alloy is answered
The shape of cross section for closing concrete filled steel tubular member is circular, ellipse or polygon.
A kind of 7. aluminium alloy compound concrete filled steel tubular member according to claim 6, it is characterised in that：The aluminium alloy is answered
The shape of cross section for closing concrete filled steel tubular member is square or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160674.7U CN206681149U (en) | 2017-02-22 | 2017-02-22 | A kind of aluminium alloy compound concrete filled steel tubular member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160674.7U CN206681149U (en) | 2017-02-22 | 2017-02-22 | A kind of aluminium alloy compound concrete filled steel tubular member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206681149U true CN206681149U (en) | 2017-11-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720160674.7U Expired - Fee Related CN206681149U (en) | 2017-02-22 | 2017-02-22 | A kind of aluminium alloy compound concrete filled steel tubular member |
Country Status (1)
| Country | Link |
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| CN (1) | CN206681149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677345A (en) * | 2017-02-22 | 2017-05-17 | 黎明职业大学 | Aluminum alloy composite steel pipe concrete member and manufacture method thereof |
-
2017
- 2017-02-22 CN CN201720160674.7U patent/CN206681149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677345A (en) * | 2017-02-22 | 2017-05-17 | 黎明职业大学 | Aluminum alloy composite steel pipe concrete member and manufacture method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |