CN205935408U - Steel pipe concrete coincide component - Google Patents
Steel pipe concrete coincide component Download PDFInfo
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- CN205935408U CN205935408U CN201620693308.3U CN201620693308U CN205935408U CN 205935408 U CN205935408 U CN 205935408U CN 201620693308 U CN201620693308 U CN 201620693308U CN 205935408 U CN205935408 U CN 205935408U
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- steel pipe
- concrete layer
- described steel
- shear connector
- steel tube
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 193
- 239000010959 steel Substances 0.000 title claims abstract description 193
- 239000004567 concrete Substances 0.000 title claims abstract description 134
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 210000003205 muscle Anatomy 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000012946 outsourcing Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a steel pipe concrete coincide component, steel pipe concrete coincide component includes: the steel pipe, the steel reinforcement cage, the steel reinforcement cage is established the steel pipe outer and with the steel pipe interval sets up, the core concrete layer, core concrete pours on the layer the steel pipe is inboard, outsourcing concrete layer, the outsourcing concrete layer pour is pouring in the steel pipe outside the core concrete layer with before the outsourcing concrete layer apply along the outside prestressing force of axial at the both ends of steel pipe, and pouring the core concrete layer with release behind the outsourcing concrete layer prestressing force. According to the utility model discloses steel pipe concrete coincide component has the limit of fire resistance height, ductility is good, anti -seismic performance is excellent, bear the weight of advantages such as reinforce.
Description
Technical field
The utility model is related to construction engineering technical field, in particular to a kind of steel tube concrete superposed component.
Background technology
Building structure in correlation technique, its vertical supporting member is divided into clean steel column and reinforced column.Clean steel column resists
Fire, poor corrosion resistance, stability problem are serious, and the economic benefit of pure steel structure is relatively low；Armored concrete major gene section
Greatly, the low reason of crack stress, easily ftractures under the operating mode of axial tension or eccentric force, leads to too early the losing of structure to be held
Loading capability, and reinforced column easily produces larger pulling force under earthquake operating mode, leads to concrete in tension to destroy serious, makes
Become huge casualties and economic loss.
Utility model content
The utility model is intended at least solve to a certain extent one of above-mentioned technical problem of the prior art.For this reason,
The utility model proposes a kind of steel tube concrete superposed component, this steel tube concrete superposed component has that fire endurance is high, ductility
Well, the advantages of anti-seismic performance is excellent, bearing capacity is strong.
For achieving the above object, according to the utility model proposes a kind of steel tube concrete superposed component, described steel tube concrete
Native superposed member includes：Steel pipe；Steel reinforcement cage, described steel reinforcement cage be located at described steel pipe outer and with described steel pipe interval setting；Core
Concrete layer, described core concrete layer is cast in inside described steel pipe；External wrapping concrete layer, described external wrapping concrete layer pours
Outside described steel pipe, apply at the two ends of described steel pipe before pouring described core concrete layer and described external wrapping concrete layer
Prestressing force axially outward, and discharge after pouring described core concrete layer and described external wrapping concrete layer described pre- should
Power.
According to steel tube concrete superposed component of the present utility model, have that fire endurance is high, ductility is good, anti-seismic performance is excellent
The advantages of different, bearing capacity is strong.
In addition, it is special to have, according to the above-mentioned steel tube concrete superposed component of the utility model, the technology added as follows
Levy：
Described steel pipe is provided with the shear connector that the normal direction of the perisporium along described steel pipe extends.
Described shear connector includes：Interior shear connector, described interior shear connector is located at the inner side of described steel pipe；Outward
Shear connector, described outer shear connector is located at the outside of described steel pipe and with described interior shear connector in described steel pipe
Diametrically opposite.
Described shear connector is multiple and is arranged in the multigroup of the axially spaced-apart setting along described steel pipe, every group includes edge
Circumferentially spaced multiple described shear connectors of described steel pipe.
Described prestressing force is less than the 85% of the yield strength standard value of described steel pipe.
The cross section of described steel pipe is annular and described steel tube concrete superposed element cross-section is rectangle, described steel pipe
Diameter be less than or equal to described steel tube concrete superposed element cross-section the length of minor face 80% and be more than or equal to described steel
The 20% of the length of minor face of the cross section of pipe concrete superposed member, the wall thickness of described steel pipe is more than or equal to the diameter of described steel pipe
2.5% and less than or equal to described steel pipe diameter 5%.
Described steel reinforcement cage includes：Multiple stirrups, multiple described stirrups are along the axially spaced-apart setting of described steel pipe；Multiple vertical
Muscle, along the axial orientation of described steel pipe and being provided at circumferentially spaced along multiple described stirrup, each vertical muscle divides multiple described vertical muscle
It is not connected with multiple described stirrups.
Brief description
Fig. 1 is the structural representation of the steel tube concrete superposed component according to one specific embodiment of the utility model.
Fig. 2 is the structural representation of the steel tube concrete superposed component according to one specific embodiment of the utility model.
Fig. 3 is the structural representation of the steel tube concrete superposed component according to another specific embodiment of the utility model.
Fig. 4 is the structural representation of the steel tube concrete superposed component according to another specific embodiment of the utility model.
Fig. 5 is that the manufacture process of the steel tube concrete superposed component according to one specific embodiment of the utility model is illustrated
Figure.
Fig. 6 is that the manufacture process of the steel tube concrete superposed component according to another specific embodiment of the utility model is illustrated
Figure.
Fig. 7 is the flow chart of the manufacture method of the steel tube concrete superposed component according to the utility model embodiment.
Reference：Steel tube concrete superposed component 1, steel pipe 100, shear connector 110, steel reinforcement cage 200, stirrup 210,
Vertical muscle 220, core concrete layer 300, external wrapping concrete layer 400.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining the utility model, and it is not intended that to the utility model
Restriction.
Below with reference to the accompanying drawings steel tube concrete superposed component 1 according to the utility model embodiment is described.
As shown in figs 1 to 6, steel pipe 100, steel reinforcement cage 200, core are included according to the steel pipe 100 of the utility model embodiment
Concrete layer 300 and external wrapping concrete layer 400.
Steel reinforcement cage 200 be located at steel pipe 100 outer and with steel pipe 100 interval setting.Core concrete layer 300 is cast in steel pipe
Inside 100.External wrapping concrete layer 400 is cast in outside steel pipe 100, is pouring core concrete layer 300 and external wrapping concrete layer
Apply prestressing force axially outward at the two ends of steel pipe 100 before 400 and pour core concrete layer 300 and external wrapping concrete
Described prestressing force is discharged after layer 400.
According to the steel tube concrete superposed component 1 of the utility model embodiment, permissible by arranging external wrapping concrete layer 400
Protect steel pipe 100 using external wrapping concrete layer 400, can not only avoid steel pipe 100 directly exposed in atmosphere, effectively lifted
The Corrosion Protection of steel pipe 100, and steel tube concrete superposed component 1 is when by fire, external wrapping concrete layer 400 conduct heat relatively slow,
The rising of steel pipe 100 temperature can be delayed, thus the process slowing down steel pipe 100 material to raise with temperature and degenerating.Simultaneously because
The heat-blocking action of external wrapping concrete layer 400, core concrete layer 300 can keep relatively low temperature under fire, therefore can hold
Load external wrapping concrete layer 400 is because of the load unloading after high temperature failure, thus reaching, the steel tube concrete superposed component of lifting 1 is overall to be tied
The effect of structure fire endurance.
Additionally, by applying at the two ends of steel pipe 100 before pouring core concrete layer 300 and external wrapping concrete layer 400
Prestressing force axially outward and discharge described prestressing force after pouring core concrete layer 300 and external wrapping concrete layer 400, can
To realize applying prestressing force on steel pipe 100.So after pouring, discharge described prestressing force, steel pipe 100 produces tendencies toward shrinkage
Stress, makes external wrapping concrete layer 400 and core concrete layer 300 be in pressured state, effectively improves external wrapping concrete layer 400
Tensile capacity, it is to avoid external wrapping concrete premature rupture, improves the rigidity of steel tube concrete superposed component 1 and tension, by curved
Bearing capacity.
And, by arranging core concrete layer 300 and external wrapping concrete layer 400, steel pipe 100 can be made to be subject to core to mix
Solidifying soil layer 300 and the double constraints of external wrapping concrete layer 400, thus being prevented effectively from the local buckling in stress for the high strength steel pipe,
Improve ductility and the anti-seismic performance of steel tube concrete superposed component 1.Core concrete layer 300 is subject to the effect of contraction of steel pipe 100,
Effectively improve its later stage bearing capacity.External wrapping concrete layer 400 is subject to the prestressed effect of steel pipe 100, effectively improves its cracking
Load.Compare the reinforced concrete member in correlation technique, can effectively delay steel pipe 100 compressive buckling, lift concrete filled steel tube
The ductility of superposed member 1 and bearing capacity.
That is, steel tube concrete superposed component 1 can be by steel pipe 100 and core concrete layer 300 and outsourcing
The compound action of concrete layer 400, delays the flexing of steel pipe 100, improves the bearing capacity of core concrete layer 300, improves outer
The cracking load of bag concrete layer 400, thus lift ductility and the bearing capacity of steel tube concrete superposed component 1.
Therefore, have that fire endurance is high, ductility is good according to the steel tube concrete superposed component 1 of the utility model embodiment,
The advantages of anti-seismic performance is excellent, bearing capacity is strong.
Below with reference to the accompanying drawings steel tube concrete superposed component 1 according to the utility model specific embodiment is described.
In some specific embodiments of the present utility model, as shown in figs 1 to 6, according to the steel of the utility model embodiment
Pipe concrete superposed member 1 includes steel pipe 100, steel reinforcement cage 200, core concrete layer 300 and external wrapping concrete layer 400.
In a specific embodiment of the present utility model, as shown in Fig. 3, Fig. 4 and Fig. 6, steel pipe 100 is provided with along steel pipe
The shear connector 110 that the normal direction of 100 perisporium extends.Specifically, the cross section of steel pipe 100 can be annular and shearing resistance
Connector 110 is along the radial directed of steel pipe 100.Steel pipe 100 and core concrete layer 300 and/or outsourcing so not only can be made
The connection of concrete layer 400 is relatively reliable, and can enable steel pipe 100 prestressing force more efficiently act on core mix
On solidifying soil layer 300 and/or external wrapping concrete layer 400.
Alternatively, as shown in Fig. 3, Fig. 4 and Fig. 6, shear connector 110 includes interior shear connector and outer shear connections
Part.Described interior shear connector is located at the inner side of steel pipe 100.Described outer shear connector be located at steel pipe 100 outside and with institute
State interior shear connector diametrically opposite in steel pipe 100.Steel pipe 100 and core concrete layer 300 and outsourcing so can be made
The connection of concrete layer 400 is relatively reliable, and the prestressing force of steel pipe 100 can be made more efficiently to act on core concrete
On layer 300 and external wrapping concrete layer 400.
It will be appreciated by those skilled in the art that, shear connector 110 can also be only located at steel pipe 100 inner side or
Outside.
Advantageously, as shown in Fig. 3, Fig. 4 and Fig. 6, shear connector 110 is multiple and is arranged in the axial direction along steel pipe 100
Spaced multigroup, every group of circumferentially spaced multiple shear connectors 110 including along steel pipe 100.So can profit
With multiple shear connector 110 joint steel pipes 100 and concrete layer, it is further ensured that the reliability of steel tube concrete superposed component 1
Property.
In another specific embodiment of the present utility model, as shown in Fig. 1, Fig. 3 and Fig. 5, can not also on steel pipe 100
Setting shear connector 110.
Specifically, whether shear connector 110 arranges, arranges quantity, interval, position can be folded according to concrete filled steel tube
Close the actual conditions such as the size of cross section of component 1 to be adjusted.For example, in the cross-sectional area of steel tube concrete superposed component 1
Shear connector 110 can be set when larger, can be not required to when the cross-sectional area of steel tube concrete superposed component 1 is less arrange
Shear connector 110.
Specifically, described prestressing force is less than the 85% of the yield strength standard value of steel pipe 100.So steel pipe can avoided
100 surrender in the case of improve act on steel pipe 100 prestressing force, to ensure the constraint to concrete layer for the steel pipe 100
Effect.
More specifically, the cross section of steel pipe 100 be annular and steel tube concrete superposed component 1 cross section be rectangle,
The diameter of steel pipe 100 is less than or equal to the 80% of the length of minor face of cross section of steel tube concrete superposed component 1 and is more than or equal to steel
The 20% of the length of minor face of the cross section of pipe concrete superposed member 1, the wall thickness of steel pipe 100 is more than or equal to the diameter of steel pipe 100
2.5% and less than or equal to steel pipe 100 diameter 5%.So not only can ensure that steel pipe 100 has enough intensity, and
And can ensure that the prestressing force of steel pipe 100 can more efficiently act on concrete layer.
It will be appreciated by those skilled in the art that, the cross section of steel pipe 100 can also be rectangle and concrete filled steel tube
The cross section of superposed member 1 can also be circle.
Certainly, described prestressing force, the thickness of steel pipe 100 and diameter can also be adjusted according to actual needs.
Fig. 2, Fig. 4, Fig. 5 and Fig. 6 show the steel tube concrete superposed component according to some specific examples of the utility model
1.As shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 6, steel reinforcement cage 200 includes multiple stirrups 210 and multiple vertical muscle 220.Multiple stirrup 210 edges
The axially spaced-apart setting of steel pipe 100.Multiple vertical muscle 220 are along the axial orientation of steel pipe 100 and circumferentially-spaced along multiple stirrups 210
Setting, each vertical muscle 220 is connected with multiple stirrups 210 respectively.Specifically, stirrup 210 and vertical muscle 220 can be welded to each other.
So in order to the formation of steel reinforcement cage 200, and the structural strength of steel reinforcement cage 200 can be can ensure that.
Alternatively, steel pipe 100 can be by hot-roll forming, cold roll forming, welding fabrication or spicing forming type.
The manufacturer of the steel tube concrete superposed component according to the utility model embodiment is described below with reference to Fig. 1-Fig. 7
Method.The manufacture method of the steel tube concrete superposed component according to the utility model embodiment comprises the following steps：
Steel pipe and steel reinforcement cage are provided, so that described steel pipe is located inside described steel reinforcement cage and with described steel reinforcement cage interval setting；
In the two ends of steel pipe applying prestressing force axially outward；
In described steel pipe inner side and outer side casting concrete；
Discharge described prestressing force.
The manufacture method of the steel tube concrete superposed component according to the utility model embodiment, has and can improve component
The advantages of ductility, bearing capacity and anti-seismic performance.
Described steel pipe is provided with the shear connector of the normal direction orientation along its perisporium.So not only can make steel pipe 100 with
The connection of core concrete layer 300 and/or external wrapping concrete layer 400 is relatively reliable, and can enable the prestressing force of steel pipe 100
Enough more efficiently act on core concrete layer 300 and/or external wrapping concrete layer 400.
Described steel reinforcement cage includes：Multiple stirrups, multiple described stirrups are along the axially spaced-apart setting of said inner tube；Multiple vertical
Muscle, along the axial orientation of said inner tube and being provided at circumferentially spaced along multiple described stirrup, each vertical muscle divides multiple described vertical muscle
It is not connected with multiple described stirrups.So in order to the formation of steel reinforcement cage 200, and the structure of steel reinforcement cage 200 can be can ensure that
Intensity.
Other of steel tube concrete superposed component according to the utility model embodiment constitute and operate for this area
It is all known for those of ordinary skill, be not detailed herein.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation of instruction such as hour hands ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description, rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
It is mechanically connected or electrically connect or can communicate each other；Can be to be joined directly together it is also possible to pass through the indirect phase of intermediary
Even, can be the connection of two element internals or the interaction relationship of two elements, limit unless otherwise clear and definite.For this
For the those of ordinary skill in field, concrete meaning in the utility model for the above-mentioned term can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combines.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
Interior above-described embodiment can be changed, change, replacing and modification.
Claims (7)
1. a kind of steel tube concrete superposed component is it is characterised in that include：
Steel pipe；
Steel reinforcement cage, described steel reinforcement cage be located at described steel pipe outer and with described steel pipe interval setting；
Core concrete layer, described core concrete layer is cast in inside described steel pipe；
External wrapping concrete layer, described external wrapping concrete layer is cast in outside described steel pipe, pour described core concrete layer and
Apply prestressing force axially outward at the two ends of described steel pipe before described external wrapping concrete layer and pour described core coagulation
Described prestressing force is discharged after soil layer and described external wrapping concrete layer.
2. steel tube concrete superposed component according to claim 1 is it is characterised in that described steel pipe is provided with along described steel
The shear connector that the normal direction of the perisporium of pipe extends.
3. steel tube concrete superposed component according to claim 2 is it is characterised in that described shear connector includes：
Interior shear connector, described interior shear connector is located at the inner side of described steel pipe；
Outer shear connector, described outer shear connector is located at the outside of described steel pipe and with described interior shear connector described
Steel pipe diametrically opposite.
4. steel tube concrete superposed component according to claim 2 it is characterised in that described shear connector be multiple and
It is arranged in multigroup, every group of circumferentially spaced multiple institutes including along described steel pipe of the axially spaced-apart setting along described steel pipe
State shear connector.
5. steel tube concrete superposed component according to claim 1 is it is characterised in that described prestressing force is less than described steel pipe
Yield strength standard value 85%.
6. steel tube concrete superposed component according to claim 1 is it is characterised in that the cross section of described steel pipe is annular
And described steel tube concrete superposed element cross-section is rectangle, the diameter of described steel pipe is less than or equal to described concrete filled steel tube and folds
Close element cross-section the length of minor face 80% and the shortest more than or equal to described steel tube concrete superposed element cross-section
The 20% of the length of side, the wall thickness of described steel pipe is more than or equal to the 2.5% of the diameter of described steel pipe and is less than or equal to the straight of described steel pipe
The 5% of footpath.
7. steel tube concrete superposed component according to claim 1 is it is characterised in that described steel reinforcement cage includes：
Multiple stirrups, multiple described stirrups are along the axially spaced-apart setting of described steel pipe；
Multiple vertical muscle, multiple described vertical muscle along the axial orientation of described steel pipe and being provided at circumferentially spaced along multiple described stirrup,
Each vertical muscle is connected with multiple described stirrups respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693308.3U CN205935408U (en) | 2016-07-04 | 2016-07-04 | Steel pipe concrete coincide component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693308.3U CN205935408U (en) | 2016-07-04 | 2016-07-04 | Steel pipe concrete coincide component |
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| Publication Number | Publication Date |
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| CN205935408U true CN205935408U (en) | 2017-02-08 |
Family
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| CN201620693308.3U Active CN205935408U (en) | 2016-07-04 | 2016-07-04 | Steel pipe concrete coincide component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049757A (en) * | 2016-07-04 | 2016-10-26 | 清华大学 | Steel tube reinforced concrete member and manufacturing method thereof |
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2016
- 2016-07-04 CN CN201620693308.3U patent/CN205935408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049757A (en) * | 2016-07-04 | 2016-10-26 | 清华大学 | Steel tube reinforced concrete member and manufacturing method thereof |
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