CN107060208B - Profile steel concrete column and its casting method - Google Patents
Profile steel concrete column and its casting method Download PDFInfo
- Publication number
- CN107060208B CN107060208B CN201710306884.7A CN201710306884A CN107060208B CN 107060208 B CN107060208 B CN 107060208B CN 201710306884 A CN201710306884 A CN 201710306884A CN 107060208 B CN107060208 B CN 107060208B
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- Prior art keywords
- reinforcement
- spiral
- spiral reinforcement
- cage
- concrete column
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Abstract
The present invention relates to building structure and construction field, it is intended to solve the problems, such as that profile steel concrete column in the prior art has structure total bearing capacity not high enough and pour inconvenience of vibrating, provide a kind of profile steel concrete column and its casting method.Profile steel concrete column includes the concrete structure of reinforced frame and package reinforced frame.Reinforced frame includes fashioned iron cylinder, outer steel reinforcement cage and connection cage.Cage spiral coiling is connected in the periphery of fashioned iron cylinder and envelope formation helical duct.It is connected to fashioned iron cylinder on the inside of connection cage, connects outer steel reinforcement cage on the outside of connection cage.Concrete structure includes the outer filling part for being filled on the outside of fashioned iron cylinder and wrapping up outer steel reinforcement cage and connection cage.The complete cycle of column and vibrating for overall height can be completed the beneficial effects of the invention are as follows structure overall stiffness and bearing capacity height and once, vibration efficiency is high and effect is good.
Description
Technical field
The present invention relates to building structure and construction field, in particular to a kind of profile steel concrete column and its side of pouring
Method.
Background technique
Profile steel concrete column is a kind of common building structure of building trade.
However due to the effect of the various factors such as casting method, skeleton structure composition, steel reinforced concrete in the prior art
Column has structure total bearing capacity not high enough and pours inconvenient problem of vibrating.
Summary of the invention
The present invention is intended to provide a kind of profile steel concrete column, to solve profile steel concrete column in the prior art with structure
Total bearing capacity is not high enough and pours inconvenient problem of vibrating.
The profile steel concrete column that another object of the present invention is to provide a kind of for forming aforementioned profile steel concrete column is poured
Building method.
The embodiment of the present invention is achieved in that
A kind of profile steel concrete column comprising the concrete structure of reinforced frame and package reinforced frame.Reinforced frame includes fashioned iron
Cylinder, outer steel reinforcement cage and connection cage.Cage spiral coiling is connected in the periphery of fashioned iron cylinder and envelope formation helical duct.It connects in cage
Side is connected to fashioned iron cylinder, connects outer steel reinforcement cage on the outside of connection cage.Concrete structure includes outside being filled on the outside of fashioned iron cylinder and wrapping up
The outer filling part of steel reinforcement cage and connection cage.
In one embodiment of the invention:
Concrete structure further includes the interior filling part for being filled in fashioned iron cylinder inner space.
In one embodiment of the invention:
Fashioned iron cylinder has multiple intercommunicating pores through its surfaces externally and internally, is filled in concrete at intercommunicating pore for interior filling part
It links into an integrated entity with outer filling part.
In one embodiment of the invention:
Outer steel reinforcement cage includes that a plurality of circumferentially spaced main reinforcement and multiple extending direction intervals along main reinforcement are arranged and connect each
The stirrup of a main reinforcement.
In one embodiment of the invention:
Connection cage includes the first spiral reinforcement extended along the first helix, the second spiral steel extended along the second helix
Muscle and the third spiral reinforcement extended along third helix.Basal diameter between first spiral reinforcement and the second spiral reinforcement and
Screw pitch is equal, and the first spiral reinforcement and the second spiral reinforcement are spaced apart from each other along axial direction.The basal diameter of third spiral reinforcement is small
In the basal diameter of the first spiral reinforcement, the screw pitch of third spiral reinforcement is equal to the screw pitch of the first spiral reinforcement.Third spiral steel
Fixation connects respectively for muscle fixation screw winding and the outer peripheral surface for being fixedly connected on fashioned iron cylinder, the first spiral reinforcement and the second spiral reinforcement
It is connected to outer steel reinforcement cage.First spiral reinforcement, the second spiral reinforcement, third spiral reinforcement are on the plane perpendicular to the first helix
Section in isosceles triangle be distributed.It is connected between first spiral reinforcement and third spiral reinforcement multiple along the first helix side
To the first web member being spaced apart.It is connected between second spiral reinforcement and third spiral reinforcement multiple along the second hand of helix
The second web member being spaced apart.The enveloping surface and outer steel of enveloping surface, the formation of multiple second web members that multiple first web members are formed
The cylindrical envelope surface that muscle cage surrounds surrounds helical duct jointly.
In one embodiment of the invention:
First web member to far from the second spiral reinforcement side protrude, the second web member to far from the first spiral reinforcement side
Protrusion.
In one embodiment of the invention:
The diameter of first web member is equal to the half of the diameter of the first spiral reinforcement.The diameter of second web member is equal to the first spiral
The half of the diameter of reinforcing bar.
In one embodiment of the invention:
Third spiral reinforcement is welded to connect in the periphery of fashioned iron cylinder.
In one embodiment of the invention:
First spiral reinforcement and the second spiral reinforcement are connected by metal binding wire binding and the binding of outer steel reinforcement cage respectively.
A kind of profile steel concrete column casting method to form profile steel concrete column above-mentioned for pouring.Profile steel concrete column
Casting method the following steps are included:
Fashioned iron cylinder installs step: fashioned iron cylinder is connected to basis；
Connection cage installs step: connection cage being placed on fashioned iron cylinder periphery, and will connect cage and connect close to the side of fashioned iron cylinder
In the outer peripheral surface of fashioned iron cylinder；
Outer steel reinforcement cage installs step: outer steel reinforcement cage being placed on the outside of connection cage, and outer steel reinforcement cage and connection cage body are connected
Integrally；
Formwork erection step: the supporting module on the outside of outer steel reinforcement cage；
Concreting step: to casting concrete between template and fashioned iron cylinder, concrete structure is formed；
It vibrates step: being vibrated along helical duct to concrete structure using vibrating spear.
In conclusion the beneficial effect of the profile steel concrete column in the embodiment of the present invention is structure overall stiffness and bearing capacity
High and can once complete the complete cycle of column and vibrating for overall height, vibration efficiency is high and effect is good；Fashioned iron in the embodiment of the present invention
Concrete column casting method is for forming aforementioned profile steel concrete column.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the profile steel concrete column in the embodiment of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 along line A-A；
Fig. 3 is the structural schematic diagram of the reinforced frame in Fig. 1；
Fig. 4 is the structural schematic diagram of the connection cage in Fig. 3；
Fig. 5 is the section view of the connection cage in Fig. 3；
Fig. 6 is the topology view for connecting cage connecting-type steel cylinder and outer steel reinforcement cage；
Fig. 7 is the profile steel concrete column construction schematic diagram in the embodiment of the present invention.
Icon: 10- fashioned iron cylinder；The outer steel reinforcement cage of 20-；21- main reinforcement；22- stirrup；30- connection cage；The first spiral reinforcement of 31-；
The second spiral reinforcement of 32-；33- third spiral reinforcement；The first web member of 34-；The second web member of 35-；40- helical duct；010- fashioned iron
Concrete column；100- reinforced frame；200- concrete structure；The outer filling part of 201-；Filling part in 202-；300- template.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.If only being used in addition, occurring term " first ", " second " etc. in description of the invention
It is described in distinguishing, is not understood to indicate or imply relative importance.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention
Horizontal or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", not
It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment one
Fig. 1 is the structural schematic diagram of the profile steel concrete column 010 in the embodiment of the present invention, and Fig. 2 is Fig. 1 cuing open along line A-A
View.It please refers to Fig. 1 (cooperation is referring to fig. 2), the profile steel concrete column 010 in the present embodiment is wrapped including profile steel concrete column 010
It includes reinforced frame 100 and wraps up the concrete structure 200 of reinforced frame 100.
Fig. 3 is the structural schematic diagram of the reinforced frame 100 in Fig. 1；Fig. 4 is the structural schematic diagram of the connection cage 30 in Fig. 3.Please
Referring to Fig. 3, Fig. 4, the reinforced frame 100 in the present embodiment includes fashioned iron cylinder 10, outer steel reinforcement cage 20 and connection cage 30.Connect cage 30
Spiral coiling is in the periphery of fashioned iron cylinder 10 and envelope formation helical duct 40.It is connected to fashioned iron cylinder 10 on the inside of connection cage 30, is connected
Outer steel reinforcement cage 20 is connected on the outside of cage 30.
In a preferred embodiment of the present embodiment, connection cage 30 includes the first spiral extended along the first helix
Reinforcing bar 31, the second spiral reinforcement 32 along the extension of the second helix and the third spiral reinforcement 33 along the extension of third helix.For
Keep view clear, the first helix, the second helix, third helix is not shown in the figure, it should be noted that above-mentioned first
Helix, the second helix, third helix are the first spiral reinforcement 31, the second spiral reinforcement 32, third spiral reinforcement 33
Central axes.Basal diameter and screw pitch between first spiral reinforcement 31 and the second spiral reinforcement 32 are equal, the first spiral steel
Muscle 31 and the second spiral reinforcement 32 are spaced apart from each other along axial direction.The basal diameter of third spiral reinforcement 33 is less than the first spiral reinforcement 31
Basal diameter, the screw pitch of third spiral reinforcement 33 is equal to the screw pitch of the first spiral reinforcement 31.Third spiral reinforcement 33 fixes spiral shell
Circumvolution around and be fixedly connected on the outer peripheral surface of fashioned iron cylinder 10, the first spiral reinforcement 31 and the second spiral reinforcement 32 are respectively fixedly connected with
In outer steel reinforcement cage 20.First spiral reinforcement 31, the second spiral reinforcement 32, third spiral reinforcement 33 are perpendicular to the first helix
Section in plane is in isosceles triangle distribution (referring to Fig. 5).It is connected between first spiral reinforcement 31 and third spiral reinforcement 33
There are multiple the first web members 34 being spaced apart along the first hand of helix.Between second spiral reinforcement 32 and third spiral reinforcement 33
It is connected with multiple the second web members 35 being spaced apart along the second hand of helix.It is enveloping surface that multiple first web members 34 are formed, more
The cylindrical envelope surface that the enveloping surface and outer steel reinforcement cage 20 that a second web member 35 is formed surround surrounds helical duct 40 jointly.It is preferred that
Ground, third spiral reinforcement 33 are welded to connect in the periphery of fashioned iron cylinder 10.First spiral reinforcement 31 and the second spiral reinforcement 32 difference
It is connected by metal binding wire binding and the binding of outer steel reinforcement cage 20.Please refer to Fig. 6, in the present embodiment, the first spiral steel
Muscle 31, the second spiral reinforcement 32, third spiral reinforcement 33 collectively form the trunk of connection cage 30, and multiple first web members 34 are connected to
Between first spiral reinforcement 31 and third spiral reinforcement 33, envelope forms the first spiral reinforcement 31 of connection and third spiral reinforcement 33
Between gap wire side, multiple second web members 35 are connected between the second spiral reinforcement 32 and third spiral reinforcement 33, envelope shape
At the wire side in gap between the second spiral reinforcement 32 of connection and third spiral reinforcement 33, and the net formed with outer 20 envelope of steel reinforcement cage
Face surrounds helical duct 40 jointly.Trunk is used as by the first spiral reinforcement 31, the second spiral reinforcement 32, third spiral reinforcement 33,
And three is connected by the first web member 34 and the second web member 35, along with the first spiral reinforcement 31 and the second spiral reinforcement 32 connect simultaneously
Connecing outer steel reinforcement cage 20, connection cage 30 has effectively formed a spiral space truss, with the high rigidity of structure, by
It links into an integrated entity fashioned iron cylinder 10 and outer steel reinforcement cage 20 reinforced frame 100 to be formed, the high pressure resistance for combining concrete can and
Durability can form the column of the intensity of super high bearing capacity ability.
In addition, the helical duct 40 that connection 30 envelope of cage is formed can guide the motion profile that vibrates of vibrating spear.At this
Track vibrate for spiral shape, can once realize vibrating for the concrete of concrete complete cycle and overall height, has and vibrates convenient and imitate
The high beneficial effect of rate.The concrete stomata to vibrate is few, and compactness is high, further ensures the structural strength and carrying of column
Ability.
In a preferred embodiment of the present embodiment, the first web member 34 is convex to the side far from the second spiral reinforcement 32
Out, the second web member 35 is protruded to the side far from the first spiral reinforcement 31.First web member 34 is to far from the second spiral reinforcement 32
Side protrusion, the second web member 35 protrude to the side far from the first spiral reinforcement 31, so that helical duct 40 protrudes outward, make
The section circle of helical duct 40, the vibrating spear that can preferably adapt to circular section pass through.
Certainly, vibrating spear used in the helical duct 40 of base in this present embodiment should have enough drawing lengths, with
The working end of vibrating spear is set to be deep into the bottom of column along helical duct 40, realization is completely vibrated.
In a preferred embodiment of the present embodiment, the diameter of the first web member 34 is equal to the straight of the first spiral reinforcement 31
The half of diameter.The diameter of second web member 35 is equal to the half of the diameter of the first spiral reinforcement 31.
In a preferred embodiment of the present embodiment, outer steel reinforcement cage 20 includes a plurality of circumferentially spaced main reinforcement 21 and more
A extending direction interval along main reinforcement 21 is arranged and connects the stirrup 22 of each main reinforcement 21.
Fig. 2 is referred to, concrete structure 200 includes being filled in 10 outside of fashioned iron cylinder and wrapping up outer steel reinforcement cage 20 and connection cage
30 outer filling part 201.Concrete structure 200 further includes the interior filling part 202 for being filled in 10 inner space of fashioned iron cylinder.Fashioned iron cylinder
10 have multiple intercommunicating pores through its surfaces externally and internally, are filled in concrete at intercommunicating pore for interior filling part 202 and outer filling
Portion 201 links into an integrated entity.
In conclusion the fashioned iron cylinder that the profile steel concrete column 010 in the embodiment of the present invention passes through the connection connection of cage 30 inside
10 and the outer steel reinforcement cage 20 in outside form the reinforced frame 100 of the integrally high rigidity of structure and high-bearing capacity, and connect 30 envelope of cage
Helical duct 40 is formed, vibrating spear can be guided to vibrate with disposably carrying out complete cycle overall height, effect of vibrating is good, vibration efficiency is high,
The concrete structure 200 of pore-free high compact can be obtained.Therefore, the reinforced frame 100 of the high rigidity of structure and bearing capacity and highly dense
The splendid profile steel concrete column 010 of mechanical property is collectively formed in real concrete structure 200, is applicable to heavily loaded building structure.
Embodiment two
Second embodiment of the present invention provides a kind of 010 casting methods of profile steel concrete column, are used to pour to form embodiment one
In profile steel concrete column 010.
Refer to Fig. 7,010 casting method of profile steel concrete column in the present embodiment the following steps are included:
Fashioned iron cylinder installs step: fashioned iron cylinder 10 is connected to basis.
Connection cage installs step: connection cage 30 being placed on 10 periphery of fashioned iron cylinder, and by connection cage 30 close to fashioned iron cylinder 10
Side is connected to the outer peripheral surface of fashioned iron cylinder 10.
Outer steel reinforcement cage installs step: outer steel reinforcement cage 20 being placed on 30 outside of connection cage, and by outer steel reinforcement cage 20 and connects cage
30 bodies link into an integrated entity.
Formwork erection step: in outer 20 outside supporting module 300 of steel reinforcement cage.
Concreting step: to casting concrete between template 300 and fashioned iron cylinder 10, concrete structure 200 is formed.
It vibrates step: being vibrated along helical duct 40 to concrete structure 200 using vibrating spear.
Concreting step may also include the casting concrete into fashioned iron cylinder 10.Pour the concrete in fashioned iron cylinder 10
And the concrete poured between fashioned iron cylinder 10 and template 300 is interpenetrated by the connecting cylinder on fashioned iron cylinder 10 and connects into one
Body, it is ensured that the globality of structure.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of profile steel concrete column, it is characterised in that:
The profile steel concrete column includes reinforced frame and the concrete structure for wrapping up the reinforced frame；
The reinforced frame includes fashioned iron cylinder, outer steel reinforcement cage and connection cage；
The connection cage spiral coiling is in the periphery of the fashioned iron cylinder and envelope forms helical duct, and the connection cage includes along the
One helix extend the first spiral reinforcement, along the second helix extend the second spiral reinforcement and along third helix extend
Third spiral reinforcement, first spiral reinforcement and second spiral reinforcement are spaced apart from each other along axial direction, the third spiral steel
The fixed screw winding of muscle and the outer peripheral surface for being fixedly connected on the fashioned iron cylinder, first spiral reinforcement and the second spiral steel
Muscle is respectively fixedly connected in the outer steel reinforcement cage；
It is connected between first spiral reinforcement and the third spiral reinforcement multiple along first hand of helix interval
First web member of distribution；It is connected between second spiral reinforcement and the third spiral reinforcement multiple along second spiral
The second web member that line direction is spaced apart；
The enveloping surface and the outer steel reinforcement cage of enveloping surface, multiple second web member formation that multiple first web members are formed
The cylindrical envelope surface surrounded surrounds the helical duct jointly；And
The concrete structure includes be filled on the outside of the fashioned iron cylinder and wrap up the outer steel reinforcement cage and the connection cage outer
Filling part.
2. profile steel concrete column according to claim 1, it is characterised in that:
The concrete structure further includes the interior filling part for being filled in the fashioned iron cylinder inner space.
3. profile steel concrete column according to claim 2, it is characterised in that:
The fashioned iron cylinder has multiple intercommunicating pores through its surfaces externally and internally, and the concrete being filled at the intercommunicating pore will be described
Interior filling part and the outer filling part link into an integrated entity.
4. profile steel concrete column according to claim 1, it is characterised in that:
The outer steel reinforcement cage includes that a plurality of circumferentially spaced main reinforcement and multiple extending direction intervals along main ribs are arranged and connect
Connect the stirrup of each main ribs.
5. profile steel concrete column according to claim 1-4, it is characterised in that:
Basal diameter and screw pitch between first spiral reinforcement and second spiral reinforcement are equal；
The basal diameter of the third spiral reinforcement is less than the basal diameter of first spiral reinforcement, the third spiral reinforcement
Screw pitch be equal to first spiral reinforcement screw pitch；
First spiral reinforcement, second spiral reinforcement, the third spiral reinforcement are perpendicular to first helix
Plane on section in isosceles triangle be distributed.
6. profile steel concrete column according to claim 5, it is characterised in that:
First web member is protruded to the side far from second spiral reinforcement, and second web member is to far from first spiral shell
Revolve the side protrusion of reinforcing bar.
7. profile steel concrete column according to claim 5, it is characterised in that:
The diameter of first web member is equal to the half of the diameter of first spiral reinforcement；The diameter of second web member is equal to
The half of the diameter of first spiral reinforcement.
8. profile steel concrete column according to claim 5, it is characterised in that:
The third spiral reinforcement is welded to connect in the periphery of the fashioned iron cylinder.
9. profile steel concrete column according to claim 5, it is characterised in that:
First spiral reinforcement and second spiral reinforcement pass through metal binding wire respectively and the outer steel reinforcement cage binding connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306884.7A CN107060208B (en) | 2017-05-04 | 2017-05-04 | Profile steel concrete column and its casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306884.7A CN107060208B (en) | 2017-05-04 | 2017-05-04 | Profile steel concrete column and its casting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060208A CN107060208A (en) | 2017-08-18 |
| CN107060208B true CN107060208B (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710306884.7A Expired - Fee Related CN107060208B (en) | 2017-05-04 | 2017-05-04 | Profile steel concrete column and its casting method |
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| CN (1) | CN107060208B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112538816A (en) * | 2020-12-22 | 2021-03-23 | 沈阳建筑大学 | Be applied to marine building's novel anticorrosive steel pipe concrete pier that excels in |
| CN113700224A (en) * | 2021-08-26 | 2021-11-26 | 中国二十二冶集团有限公司 | Horizontal annular steel bar connecting method for wall of cyclone well |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3730581B2 (en) * | 2002-02-26 | 2006-01-05 | 東日本旅客鉄道株式会社 | Concrete parts |
| CN103615072A (en) * | 2013-11-25 | 2014-03-05 | 广西大学 | Steel-encased concrete steel column with built-in spiral stirrup |
| CN105133790A (en) * | 2015-08-28 | 2015-12-09 | 风范绿色建筑（常熟）有限公司 | High-strength square steel tube concrete pillar |
| CN204960135U (en) * | 2015-09-23 | 2016-01-13 | 滨州学院 | Interior steel core concrete column of establishing wave form web |
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| CN107060208A (en) | 2017-08-18 |
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Granted publication date: 20190917 Termination date: 20210504 |