CN108166833A - A kind of prefabricated multitube confined concrete double-walled open tubular column, building technology and column tube tower - Google Patents
A kind of prefabricated multitube confined concrete double-walled open tubular column, building technology and column tube tower Download PDFInfo
- Publication number
- CN108166833A CN108166833A CN201711138894.0A CN201711138894A CN108166833A CN 108166833 A CN108166833 A CN 108166833A CN 201711138894 A CN201711138894 A CN 201711138894A CN 108166833 A CN108166833 A CN 108166833A
- Authority
- CN
- China
- Prior art keywords
- frp
- multitube
- prefabricated
- tube
- open tubular
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
Abstract
The present invention discloses a kind of prefabricated multitube confined concrete double-walled open tubular column, including steel outer tube, FRP inner tubes and annulus FRP tube bodies and the screed of filling, annulus FRP tube bodies manage and fill the self-compacting concrete in it including minor diameter FRP, and annulus FRP tube bodies are circumferentially uniformly distributed about tube hub in FRP.The present invention also proposes a kind of building technology and column tube tower of prefabricated multitube confined concrete double-walled open tubular column, column tube tower includes multiple prefabricated multitube confined concrete double-walled open tubular column segments being sequentially connected up and down, and adjacent steel outer tube end is connected by lower L-type fixed block with upper L-type fixed block with bolt fastening.The multitube confined concrete double-walled open tubular column of technical solution of the present invention has many advantages, such as that ductility is good, ultimate bearing capacity is strong, suitable for the concrete column requirement of the multiple sections such as round, rectangular, prefabricated assembled method can be used to carry out building column tube tower, so that construction is convenient, situ wet operation quantities is reduced, greatly shortens construction period.
Description
Technical field
The present invention relates to building structure technology field, more particularly to a kind of prefabricated multitube confined concrete double-walled open tubular column,
Building technology and column tube tower.
Background technology
Fibre reinforced composites (FRP) have the advantageous characteristics such as lightweight, high-strength and are widely used in Structural Engineering skill
Art field.In the construction material for distributing the different characteristics such as FRP, concrete, steel rationally, it is excellent to give full play to respective material component
Gesture is combined into novel high-performance structure, disclosure satisfy that the people increasingly improve engineering structure ultimate bearing capacity and shock resistance
Demand, and have become the focus of attention of researcher and engineer in recent years.
Invention content
The main object of the present invention is to propose a kind of prefabricated multitube confined concrete double-walled open tubular column, and the present invention also proposes one
Kind produces the building technology and column tube tower of prefabricated multitube confined concrete double-walled open tubular column, it is intended to improve the ductility of concrete column
Good, ultimate bearing capacity and the efficiency of construction for improving concrete column tower.
To achieve the above object, a kind of prefabricated multitube confined concrete double-walled open tubular column proposed by the present invention, including steel outside
Pipe, the FRP inner tubes with steel outer coaxial tube setting, is perfused between the steel outer tube wall face and the FRP outer wall of inner tube face
There is screed, the screed internal circumferential is uniformly provided with several and manages and be filled in the minor diameter FRP pipes by minor diameter FRP
The annulus FRP tube bodies of internal self-compacting concrete composition.
Preferably, it is fine that reciprocating pressure stochastic distribution, continous way can be used in the FRP inner tubes and the minor diameter FRP pipes
Dimension winding process is made.
Preferably, the Fiber Materials of the FRP inner tubes and the minor diameter FRP pipes are carbon fiber, glass fibre, basalt
Fiber or aramid fiber；The basic material of the FRP inner tubes and the minor diameter FRP pipes is unsaturated polyester (UP), epoxy resin or phenolic aldehyde
Resin.
Preferably, the radial cross-section circumferential profile of the steel outer tube is round, oval, rectangular, rectangle, polygon；
The radial cross-section circumferential profile of the FRP inner tubes is round, oval, rectangular, rectangle, polygon；The minor diameter FRP pipes
Radial cross-section shape is round, ellipse.
The present invention also propose a kind of building technology for producing the prefabricated multitube confined concrete double-walled open tubular column, including with
Lower step：
Step S1：The self-compacting concrete is poured into the minor diameter FRP pipes and forms the annulus FRP tube bodies
And it is conserved；
Step S2：The steel outer tube, the FRP inner tubes and the annulus FRP tube bodies are carried by end template
Preceding fixation, wherein the FRP inner tubes, along the central axial setting of steel outer tube, the annulus FRP tube bodies are circumferentially uniformly arranged
Space between the steel outer tube and the FRP inner tubes；
Step S3：The mortar is injected between the steel outer tube, the FRP inner tubes and the annulus FRP tube bodies
Layer, then using modes such as steaming process, healthy liquid method, full water method, natural curing or blooming maintenances by concrete curing to reaching
It is expected that intensity.
The present invention also proposes a kind of column tube tower using the prefabricated multitube confined concrete double-walled open tubular column, the column tube
Tower include several sections of prefabricated multitube confined concrete double-walled open tubular columns being sequentially connected, the neighbouring steel outer tube,
The FRP inner tubes and the minor diameter FRP pipes are aligned respectively.
Preferably, by being weldingly connected between the neighbouring steel outer tube end.
Preferably, the neighbouring steel outer tube peripheral surface end is respectively equipped with several groups of mutual corresponding lower L-types and consolidates
Determine block and upper L-type fixed block, be bolted between the lower L-type fixed block and the upper L-type fixed block connected.
Technical solution of the present invention has the following advantages relative to the prior art：
In technical solution of the present invention, prefabricated multitube confined concrete double-walled open tubular column is mainly by steel pipe-screed-FRP
Pipe and several annulus FRP tube bodies being set in screed form, prefabricated multitube confined concrete double-walled open tubular column phase
Rectangular or rectangular section traditional double wall open tubular column ultimate bearing capacity and ductility can be improved to the prior art.Prefabricated multitube is about
When beam concrete double-walled open tubular column bears axis pressure, self-compacting concrete expands inside screed and minor diameter FRP pipes, so as to
It by addition to steel outer tube, the constraint of FRP inner tubes, is also constrained by minor diameter FRP pipes, so as to make prefabricated multitube confined concrete double
The ultimate bearing capacity and ductility of wall open tubular column are greatly improved.
At the same time, in technical solution of the present invention, the inside of prefabricated multitube confined concrete double-walled open tubular column is hollow knot
Structure can reduce component own wt in this way so that component shows the characteristic of high-strength light.
In addition, the column tube tower proposed in technical solution of the present invention is by the prefabricated multitube confined concrete double-walled open tubular column of multistage
Under be sequentially connected composition, and prefabricated multitube confined concrete double-walled open tubular column is formed for pre-fabricated factory batch micro operations, in this way
So that concrete column is not limited by poured in place concrete, and construction site environmental protection, live recruitment are less, construction speed compared with
Soon, it is easy for construction, speed of production can be improved and shorten the construction period.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the cross-sectional view of the prefabricated multitube confined concrete double-walled open tubular column embodiment 1 of the present invention；
Fig. 2 is the cross-sectional view of the prefabricated multitube confined concrete double-walled open tubular column embodiment 2 of the present invention；
Fig. 3 is the axial, cross-sectional view of column tube tower of the present invention；
Fig. 4 is the partial enlarged view at A in Fig. 3.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Steel outer tube | 3 | Screed |
| 2 | Annulus FRP tube bodies | 4 | FRP inner tubes |
| 21 | Minor diameter FRP is managed | 5 | Lower L-type fixed block |
| 22 | Self-compacting concrete | 6 | Upper L-type fixed block |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not the present invention claims protection domain within.
Fig. 1 and Fig. 2 are referred to, the present invention proposes a kind of prefabricated multitube confined concrete double-walled open tubular column, including being set to
The steel outer tube 1 of peripheral surface, steel outer tube 1 is central axial and is coaxially arranged with FRP inner tubes 4, outside 1 internal face of steel outer tube and FRP inner tubes 4
Be perfused with screed 3 between wall surface, and 3 inside of screed it is axial be uniformly provided with several by minor diameter FRP pipes 21 and
It is filled in the annulus FRP tube bodies 2 that the self-compacting concrete 22 of 21 central interior of minor diameter FRP pipes forms.
Wherein, in technical solution of the present invention, reciprocating fiber winding work can be used in FRP inner tubes 4 and minor diameter FRP pipes 21
Skill, continuous fibrous winding process are made.The basic material of FRP inner tubes 4 and minor diameter FRP pipes 21 is unsaturated polyester (UP), epoxy
The Fiber Materials of resin or phenolic resin, FRP inner tubes 4 and minor diameter FRP pipes 21 are carbon fiber, glass fibre, basalt fibre
Or aramid fiber.
In addition, the radial cross-section circumferential profile of steel outer tube 1 is round, oval, rectangular, rectangle, polygon；In FRP
The radial cross-section circumferential profile of pipe 4 is round, oval, rectangular, rectangle, polygon；Minor diameter FRP pipes 21 are radially horizontal
Cross-sectional shape is round, ellipse.
Referring to Fig. 1, in the embodiment of the present invention 1, the radial cross-section circumferential profile of steel outer tube 1 is round, FRP inner tubes 4
Radial cross-section circumferential profile is circle, and 21 radial cross-section circumferential profile of minor diameter FRP pipes is circle.
Referring to Fig. 2, in the embodiment of the present invention 2, the radial cross-section circumferential profile of steel outer tube 1 is rectangular, FRP inner tubes 4
Radial cross-section circumferential profile is rectangular, and 21 radial cross-section circumferential profile of minor diameter FRP pipes is circle.
Technical solution of the present invention also proposes a kind of construction work for producing above-mentioned prefabricated multitube confined concrete double-walled open tubular column
Skill includes the following steps：
Step S1：Self-compacting concrete 22 is poured into minor diameter FRP pipes 21 and forms annulus FRP tube bodies 2 and carries out
Maintenance；
Step S2：Steel outer tube 1, FRP inner tubes 4 and annulus FRP tube bodies 2 are fixed in advance by end template,
For middle FRP inner tubes 4 along the 1 central axial setting of steel outer tube, annulus FRP tube bodies 2 are circumferential to be uniformly arranged on steel outer tube 1 and FRP inner tubes 4
Between space；
Step S3：Screed is injected between steel outer tube 1, FRP inner tubes 4 and annulus FRP tube bodies 2, then using steaming
The modes such as vapour method, healthy liquid method, full water method, natural curing or blooming maintenance are by concrete curing to reaching expected intensity.
As shown in Figure 1, the 1 radial cross-section circumferential profile of steel outer tube in the embodiment of the present invention 1 is circle, FRP inner tubes 4
Radial cross-section circumferential profile is circle, and annulus FRP tube bodies 2 are circumferential to be uniformly arranged on group between steel outer tube 1 and FRP inner tubes 4
Into inner space.
As shown in Fig. 2, the 1 radial cross-section circumferential profile of steel outer tube in the embodiment of the present invention 2 is rectangular, FRP inner tubes 4
Radial cross-section circumferential profile is rectangular, and annulus FRP tube bodies 2 are circumferential to be uniformly arranged on group between steel outer tube 1 and FRP inner tubes 4
Into inner space.In other embodiments of the invention, annulus FRP tube bodies 2 are according to prefabricated multitube confined concrete double-walled
The concrete structure of open tubular column carries out corresponding mounting and adjusting.
In the technical solution of the present invention, FRP inner tubes 4 are fixed on end template in advance first, then by annulus FRP
Tube body 2 is fixed on end template corresponding position so that annulus FRP tube bodies 2 in circumferentially disposed except 4 peripheral surface of FRP inner tubes,
Then steel outer tube 1 is put on again and so that steel outer tube 1 is fixed in template, then by auxiliary stand by steel outer tube 1 and FRP inner tubes
4 are fixed temporarily, and screed 3 is injected in the space between most backward steel outer tube 1, FRP inner tubes 4, annulus FRP tube bodies 2, then
It is conserved accordingly.
As shown in Figure 3 and Figure 4, the present invention also propose it is a kind of so that prefabricated multitube confined concrete double-walled open tubular column is set up and
Into column tube tower, column tube tower conserves the prefabricated multitube confined concrete double-walled open tubular column that finishes connected group up and down successively by multiple
Into.Wherein, in order to ensure stress equalization inside column tube tower, it is required that neighbouring steel outer tube 1, FRP inner tubes 4 and small straight
Diameter FRP pipes 21 are aligned respectively.After column tube tower internal structure is mutually aligned, by the modes such as welding by neighbouring steel outer tube
It is fixedly linked between 1 end.
Further, in order to improve the structural stability of column tube tower, in the prefabricated multitube confined concrete double-walled being located above
Open tubular column peripheral surface bottom end stationary phase is connected with lower L-type fixed block 5, hollow in underlying prefabricated multitube confined concrete double-walled
Column peripheral surface top stationary phase is connected with L-type fixed block 6, then by lower L-type fixed block 5 and upper L in a manner that bolt is connected
Type fixed block 6 is fixedly linked, and can further improve the phase of neighbouring prefabricated multitube confined concrete double-walled open tubular column in this way
Even stability.
The column tube tower of technical solution of the present invention when mounted, will conserve the one section of prefabricated multitube confined concrete finished first
Double-walled open tubular column is fixed on foundation, above fixed prefabricated multitube confined concrete double-walled open tubular column segment
Another section of prefabricated multitube confined concrete double-walled open tubular column is placed again, is ensureing neighbouring prefabricated multitube confined concrete double-walled
After steel outer tube 1, FRP inner tubes 4, minor diameter FRP pipes 21 inside open tubular column are aligned respectively, by welding or other modes by phase
Adjacent 1 end of steel outer tube is fixedly linked, and then again pacifies the prefabricated multitube confined concrete double-walled open tubular column of other segments successively
The prefabricated hollow top end of multitube confined concrete double-walled loaded on lower section.
It should be noted that the upper L-type fixed block 5 of the prefabricated hollow column end of multitube confined concrete double-walled is fixed on under
L-type fixed block 6 can in advance be fixed in prefabricated multitube confined concrete double-walled open tubular column batch production batch production, in this way may be used
Internal structure corresponds alignment during later stage prefabricated multitube confined concrete double-walled open tubular column being facilitated to install.Or in reality
In installation, fixed installation is adjusted correspondingly according to actual installation position again, implementation is facilitated to install.
In technical solution of the present invention, prefabricated multitube confined concrete double-walled open tubular column is mainly by steel pipe-screed-FRP
Pipe and several annulus FRP tube bodies 2 being set in screed 3 form, prefabricated multitube confined concrete double-walled open tubular column
Rectangular or rectangular section traditional double wall open tubular column ultimate bearing capacity and ductility can be improved compared with the prior art.Prefabricated multitube
When confined concrete double-walled open tubular column bears axis pressure, screed 3 and 21 inside self-compacting concrete 22 of minor diameter FRP pipes occur swollen
It is swollen, in addition to by being constrained except steel outer tube 1, FRP inner tubes 4, also by the constraint of minor diameter FRP pipes 21, so as to make prefabricated multitube
The ultimate bearing capacity and ductility of confined concrete double-walled open tubular column are greatly improved.
At the same time, in technical solution of the present invention, the inside of prefabricated multitube confined concrete double-walled open tubular column is hollow knot
Structure can reduce component own wt in this way so that component shows the characteristic of high-strength light.
In addition, the column tube tower proposed in technical solution of the present invention is by the prefabricated multitube confined concrete double-walled open tubular column of multistage
Under be sequentially connected composition, and prefabricated multitube confined concrete double-walled open tubular column is formed for pre-fabricated factory batch micro operations, in this way
So that concrete column is not limited by poured in place concrete, and construction site environmental protection, live recruitment are less, construction speed compared with
Soon, it is easy for construction, speed of production can be improved and shorten the construction period.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content or directly/be used in it indirectly
His relevant technical field is included in the scope of patent protection of the present invention.
Claims (8)
1. a kind of prefabricated multitube confined concrete double-walled open tubular column, which is characterized in that including steel outer tube, with the steel outer coaxial tube
The FRP inner tubes of setting are perfused with screed, the screed between the steel outer tube wall face and the FRP outer wall of inner tube face
Internal circumferential is uniformly provided with several and manages and be filled in self-compacting concrete inside the minor diameter FRP pipes by minor diameter FRP
The annulus FRP tube bodies of composition.
2. prefabricated multitube confined concrete double-walled open tubular column as described in claim 1, which is characterized in that the FRP inner tubes and
Reciprocating pressure stochastic distribution can be used in the minor diameter FRP pipes, continuous fibrous winding process is made.
3. prefabricated multitube confined concrete double-walled open tubular column as described in claim 1, which is characterized in that the FRP inner tubes and
The Fiber Materials of the minor diameter FRP pipes are carbon fiber, glass fibre, basalt fibre or aramid fiber；FRP inner tubes and described
The basic material of minor diameter FRP pipes is unsaturated polyester (UP), epoxy resin or phenolic resin.
4. prefabricated multitube confined concrete double-walled open tubular column as described in claim 1, which is characterized in that the diameter of the steel outer tube
It is round, oval, rectangular, rectangle, polygon to cross-sectional circumference profile；The radial cross-section periphery wheel of the FRP inner tubes
Exterior feature is round, oval, rectangular, rectangle, polygon；The minor diameter FRP calibers are round, oval to cross-sectional profile.
5. a kind of building technology for producing the prefabricated multitube confined concrete double-walled open tubular column as described in Claims 1-4 is any,
It is characterized in that, includes the following steps：
Step S1：The self-compacting concrete is poured into the formation annulus FRP tube bodies in the minor diameter FRP pipes to go forward side by side
Row maintenance；
Step S2：The steel outer tube, the FRP inner tubes and the annulus FRP tube bodies are carried out in advance admittedly by end template
It is fixed, wherein the FRP inner tubes, along the central axial setting of steel outer tube, the annulus FRP tube bodies are circumferentially uniformly arranged on institute
State the space between steel outer tube and the FRP inner tubes；
Step S3：The screed is injected between the steel outer tube, the FRP inner tubes and the annulus FRP tube bodies, so
It is using modes such as steaming process, healthy liquid method, full water method, natural curing or blooming maintenances that concrete curing is strong to expection is reached afterwards
Degree.
6. a kind of column tube tower using the prefabricated multitube confined concrete double-walled open tubular column as described in Claims 1-4 is any, special
Sign is that the column tube tower includes several sections of prefabricated multitube confined concrete double-walled open tubular columns being sequentially connected, up and down phase
The adjacent steel outer tube, the FRP inner tubes and the minor diameter FRP pipes is aligned respectively.
7. column tube tower as claimed in claim 6, which is characterized in that pass through welding between the neighbouring steel outer tube end
It is connected.
8. column tube tower as claimed in claim 7, which is characterized in that the neighbouring steel outer tube peripheral surface end is set respectively
Have several groups of mutual corresponding lower L-type fixed blocks and a upper L-type fixed block, the lower L-type fixed block and the upper L-type fixed block it
Between be bolted it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138894.0A CN108166833A (en) | 2017-11-16 | 2017-11-16 | A kind of prefabricated multitube confined concrete double-walled open tubular column, building technology and column tube tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138894.0A CN108166833A (en) | 2017-11-16 | 2017-11-16 | A kind of prefabricated multitube confined concrete double-walled open tubular column, building technology and column tube tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108166833A true CN108166833A (en) | 2018-06-15 |
Family
ID=62527394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711138894.0A Pending CN108166833A (en) | 2017-11-16 | 2017-11-16 | A kind of prefabricated multitube confined concrete double-walled open tubular column, building technology and column tube tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108166833A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922236A (en) * | 2021-02-01 | 2021-06-08 | 浙江理工大学 | Assembled concrete prefabricated column and assembling method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070023993A (en) * | 2005-08-25 | 2007-03-02 | 강영종 | A steel column filled concrete with internally confined hollow |
| CN101117824A (en) * | 2007-07-06 | 2008-02-06 | 沈阳建筑大学 | Fibre reinforced plastic-steel pipe-concrete column |
| CN101177965A (en) * | 2007-12-06 | 2008-05-14 | 合肥工业大学 | Steel pipe-FRP pipe core concrete combination structure |
| CN102071830A (en) * | 2009-11-19 | 2011-05-25 | 香港理工大学 | FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower and segmented construction method thereof |
| CN201943186U (en) * | 2010-11-12 | 2011-08-24 | 北京工业大学 | FRP pipe-RPC-steel pipe combined member |
| US20120124937A1 (en) * | 2010-05-24 | 2012-05-24 | Jin-Guang Teng | Hybrid frp-concrete-steel double-skin tubular beams and hybrid dstb/slab units using the beams |
| CN102808384A (en) * | 2012-08-14 | 2012-12-05 | 清华大学 | Concrete reinforced structure adopting assembled FRP (Fiber Reinforced Plastic)-wrapped steel pipe |
| CN102936941A (en) * | 2012-10-24 | 2013-02-20 | 南京林业大学 | Composite pipe concrete composite structure |
| CN105064613A (en) * | 2015-09-06 | 2015-11-18 | 南京工业大学 | Built-in FRP locally restrained concrete combined member |
| CN106013615A (en) * | 2016-06-21 | 2016-10-12 | 大连理工大学 | Self-stressing-concrete-FRP-pipe-constrained combination column |
| CN106223539A (en) * | 2016-08-22 | 2016-12-14 | 广东工业大学 | A kind of high ductility FRP beams of concrete and production technology |
| CN206487068U (en) * | 2017-02-16 | 2017-09-12 | 沈阳建筑大学 | Assembled FRP strengthens steel core concrete column |
| CN107366386A (en) * | 2017-08-08 | 2017-11-21 | 广东工业大学 | A kind of multitube confined concrete double-walled open tubular column and production technology |
-
2017
- 2017-11-16 CN CN201711138894.0A patent/CN108166833A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070023993A (en) * | 2005-08-25 | 2007-03-02 | 강영종 | A steel column filled concrete with internally confined hollow |
| CN101117824A (en) * | 2007-07-06 | 2008-02-06 | 沈阳建筑大学 | Fibre reinforced plastic-steel pipe-concrete column |
| CN101177965A (en) * | 2007-12-06 | 2008-05-14 | 合肥工业大学 | Steel pipe-FRP pipe core concrete combination structure |
| CN102071830A (en) * | 2009-11-19 | 2011-05-25 | 香港理工大学 | FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower and segmented construction method thereof |
| US20120124937A1 (en) * | 2010-05-24 | 2012-05-24 | Jin-Guang Teng | Hybrid frp-concrete-steel double-skin tubular beams and hybrid dstb/slab units using the beams |
| CN201943186U (en) * | 2010-11-12 | 2011-08-24 | 北京工业大学 | FRP pipe-RPC-steel pipe combined member |
| CN102808384A (en) * | 2012-08-14 | 2012-12-05 | 清华大学 | Concrete reinforced structure adopting assembled FRP (Fiber Reinforced Plastic)-wrapped steel pipe |
| CN102936941A (en) * | 2012-10-24 | 2013-02-20 | 南京林业大学 | Composite pipe concrete composite structure |
| CN105064613A (en) * | 2015-09-06 | 2015-11-18 | 南京工业大学 | Built-in FRP locally restrained concrete combined member |
| CN106013615A (en) * | 2016-06-21 | 2016-10-12 | 大连理工大学 | Self-stressing-concrete-FRP-pipe-constrained combination column |
| CN106223539A (en) * | 2016-08-22 | 2016-12-14 | 广东工业大学 | A kind of high ductility FRP beams of concrete and production technology |
| CN206487068U (en) * | 2017-02-16 | 2017-09-12 | 沈阳建筑大学 | Assembled FRP strengthens steel core concrete column |
| CN107366386A (en) * | 2017-08-08 | 2017-11-21 | 广东工业大学 | A kind of multitube confined concrete double-walled open tubular column and production technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922236A (en) * | 2021-02-01 | 2021-06-08 | 浙江理工大学 | Assembled concrete prefabricated column and assembling method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100393969C (en) | Ribbed concrete column with built-in high-strength or super-strength concrete core column | |
| CN102259386B (en) | Production method of high-strength concrete precast pile doped with fiber enhanced plastic tendon | |
| CN103075158B (en) | Steel plate and steel reinforced concrete well wall | |
| CN103821677A (en) | Assembly type prestress reactive powder concrete wind power tower | |
| CN104594186B (en) | Using the enhanced concrete structure of circle FRP constraint concrete core | |
| Zeng et al. | Experimental study of seismic performance of full-scale basalt FRP-recycled aggregate concrete-steel tubular columns | |
| CN107060210A (en) | A kind of FRP combination dies net post and preparation method thereof | |
| CN103967205A (en) | FRP (Fiber Reinforced Polymer) pipe-recycled concrete-steel pipe double-walled hollow combined member | |
| CN202519664U (en) | High tensile reinforcement reinforced prestressed UHPC (Ultra High Performance Concrete) thin-wall tubular pile component | |
| CN1597286A (en) | Method of manufacturing prestressed high strength concrete hollow square pile centrifugal, steam, maintenance method | |
| CN102121246A (en) | Toughening prestressed centrifugal concrete pile | |
| CN106907163A (en) | A kind of shield tunnel ring intellectuality ruggedized construction and reinforcement means | |
| CN107366386A (en) | A kind of multitube confined concrete double-walled open tubular column and production technology | |
| CN108166833A (en) | A kind of prefabricated multitube confined concrete double-walled open tubular column, building technology and column tube tower | |
| CN206053968U (en) | Tunnel-liner support structure | |
| CN107288030A (en) | The method for making cylindrical concrete pier stud | |
| CN105201144A (en) | Tree ring type high-strength concrete filled square steel tube column equipped with multiple spiral stirrups | |
| CN102071701A (en) | Non-prestressed centrifugal concrete pile | |
| CN110108151B (en) | Natural ventilation cooling tower and reinforced steel pipe concrete X pillar thereof | |
| KR20130048397A (en) | Complex steel pipe pile and manufacturing method thereof | |
| CN212896462U (en) | Grid reinforced composite structure underground well | |
| CN208563759U (en) | Prefabricated assembled multitube confined concrete double-walled open tubular column and process units | |
| CN203603149U (en) | Multipurpose pre-stress preformed pile with changeable strength | |
| CN104908150B (en) | A kind of piping shaft making template and the method based on factorial praluction piping shaft | |
| CN210004859U (en) | natural draft cooling tower and reinforced steel pipe concrete X-pillar thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180615 |