CN112282214A - Prefabricated FRP (fiber reinforced plastic) pipe-concrete-steel pipe combined column and construction method thereof - Google Patents
Prefabricated FRP (fiber reinforced plastic) pipe-concrete-steel pipe combined column and construction method thereof Download PDFInfo
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- CN112282214A CN112282214A CN202010997368.5A CN202010997368A CN112282214A CN 112282214 A CN112282214 A CN 112282214A CN 202010997368 A CN202010997368 A CN 202010997368A CN 112282214 A CN112282214 A CN 112282214A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 172
- 239000010959 steel Substances 0.000 title claims abstract description 172
- 238000010276 construction Methods 0.000 title abstract description 25
- 229920002430 Fibre-reinforced plastic Polymers 0.000 title description 41
- 239000011151 fibre-reinforced plastic Substances 0.000 title description 41
- 239000004567 concrete Substances 0.000 claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 27
- 239000011440 grout Substances 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a prefabricated assembled FRP pipe-concrete-steel pipe combined column and a construction method thereof. The combined column comprises at least two combined column sections, wherein each combined column section comprises an FRP pipe section located on the outer side, a steel pipe section located in the FRP pipe section and a concrete layer located between the FRP pipe section and the steel pipe section, two steel pipe sections of any two adjacent combined column sections are fixedly connected, and two concrete layers of two adjacent combined column sections are fixed through reinforcing steel bars. The invention and the similar columnar structure do not need to carry out complicated concrete pouring on site, and only need to connect the prefabricated combined pipe sections through the steel pipe sections, the locally pre-embedded steel bars and the steel bar sleeves, so that the construction speed is high, the site construction is convenient, and the operation is simple. The flange plate, the reinforcing steel bars and the reinforcing steel bar sleeve for connection can also be used as a stiffening or reinforcing measure of the combined column, so that the structural performance of the combined column is improved.
Description
Technical Field
The invention relates to a novel combined structure, in particular to a prefabricated FRP pipe-concrete-steel pipe combined column and a construction method thereof.
Background
The FRP-concrete-steel double-wall hollow member is a novel combined member provided by Tenglorio professor of hong Kong's science of physics, and consists of an FRP outer pipe, a steel inner pipe and concrete filled between the FRP outer pipe and the steel inner pipe. In the novel combined structure, the concrete filled inside is subjected to the common constraint action of the FRP outer pipe and the steel inner pipe, and has high compressive strength and better deformability compared with the unconfined concrete; the steel pipe is restrained by the outer concrete and the FRP pipe at the same time, so that outward buckling can be effectively avoided, the strength of the steel pipe can be fully utilized, and the steel pipe and the FRP pipe can be used as a template for pouring concrete; the FRP outer pipe not only provides a shearing resistance effect, but also provides restraint for concrete and steel pipes, improves the stress performance of the concrete and the steel pipes, and simultaneously can protect the steel inner pipe and the concrete from being corroded by a corrosive environment.
The prior research shows that the combined column is very suitable for large-scale column-shaped and similar tubular structures. However, the existing cast-in-place construction and construction method is complex and tedious. In order to promote the application of the composite column, a new construction method needs to be invented, so that the construction and the construction of the composite column are carried out quickly, conveniently and simply.
Disclosure of Invention
The invention aims to solve the technical problems that the FRP pipe-concrete-steel pipe combined column relates to the use of three materials (steel, concrete and FRP), and if the concrete is poured on site in the construction process, the materials are stacked on the construction site, the construction process is complex and tedious, and the construction quality is difficult to ensure. Aiming at the defects of the prior art, the prefabricated FRP pipe-concrete-steel pipe combined column and the segmental construction and connection method thereof are provided.
To achieve the object of the present invention, the present invention provides a prefabricated FRP pipe-concrete-steel pipe composite column, comprising at least two composite column segments,
each combined column segment comprises an FRP pipe segment positioned at the outer side, a steel pipe segment positioned in the FRP pipe segment and a concrete layer positioned between the FRP pipe segment and the steel pipe segment;
two steel pipe sections of any two adjacent combined column sections are fixedly connected, and two concrete layers of the two adjacent combined column sections are fixed through reinforcing steel bars.
Furthermore, two steel pipe sections of any two adjacent combined column sections are welded and fixed.
Furthermore, two adjacent steel pipe sections are fixedly provided with steel flanges at opposite ends, and the two adjacent steel pipe sections are fixedly connected with the two steel flanges through bolts in a matched mode. When the inner diameter of the steel pipe section is larger, the connection mode can be adopted, and the steel flange and the bolt connection can be conveniently operated only when the inner diameter of the steel pipe section is larger, so that the steel pipe connected by the steel flange and the bolt is not suitable for the condition that the inner diameter of the steel pipe is smaller; when the steel pipe sections are connected by welding, the steel pipe section is not limited by the inner diameter of the steel pipe.
Further, the inner diameter of each of said steel duct segments is at least 800 mm. The inner diameter of the steel pipe section is limited, so that the steel pipe section is provided with sufficient operation positions, and an operator can enter the steel pipe section to fix two adjacent steel pipe sections.
Further, the cross-sectional shape of the steel pipe segment is any one of circular, oval, square and rectangular, and the cross-sectional shape of the FRP pipe segment is any one of circular, oval, square and rectangular.
Further comprises a steel bar sleeve, wherein one end of the steel bar sleeve is provided with internal threads, the other end of the steel bar sleeve is provided with a pore canal along the length direction,
the reinforcing steel bars comprise a first reinforcing steel bar and a second reinforcing steel bar;
one of any two adjacent combined column sections is defined as a first combined column section, the other one of any two adjacent combined column sections is defined as a second combined column section, one end of the first steel bar is in threaded connection with the steel bar sleeve, the first steel bar and the steel bar sleeve are both embedded in the concrete layer of the first combined column section, one end of the second steel bar is embedded in the concrete layer of the second combined column section, and the other end of the second steel bar extends outwards and is fixed in a pore channel of the steel bar sleeve.
Further, a grouting concrete layer is arranged between the second steel bars and the pore channel. And fixing the second steel bars in the pore channel through a grouting concrete layer.
Furthermore, a grouting opening and a grout outlet are formed in the FRP pipe section of the first combined column section, the grouting opening and the grout outlet are communicated with the hole channel of the steel bar sleeve, the grouting opening is close to the second combined column section, and the grout outlet is close to the other end, far away from the second combined column section, of the hole channel. So set up, through grout mouthful toward pouring into grout material in the pore, when grout material flowed out from the grout outlet, stopped the grout, accomplished grout concrete layer's setting.
Furthermore, the joint of two concrete layers of any two adjacent combined column segments is filled with grouting material, and the joint is communicated with the grouting opening.
The invention also provides a method for constructing the FRP pipe-concrete-steel pipe combined column, which comprises the following steps:
(1) aligning the first combined column segment embedded with the steel bar sleeve with the second combined column segment embedded with the second steel bar, and sleeving the second steel bar into the pore channel of the steel bar sleeve;
(2) fixing the steel pipe sections of the first combined column section and the second combined column section in a welding or bolt connection mode;
(3) sealing at the joint of the FRP pipe segments of the first combined column segment and the FRP pipe segments of the second combined column segment;
(4) injecting grouting material from the grouting port, introducing the grouting material into the pore passage, and blocking the grout outlet with the grouting material by using rubber plugs one by one until all the steel bar sleeves are filled with the grouting material to form a grouting concrete layer; after grouting is finished, the surfaces of a grouting opening and a grout outlet are smoothed; so far, the connection between the two combined column sections is completed;
(5) repeating steps (1) to (4) until the desired integrated column is obtained.
Compared with the prior art, the invention has at least the following beneficial effects: the FRP pipe-concrete-steel pipe combined column needs to be prefabricated into combined column sections in sections, and then the connection between concrete layers of adjacent combined column sections is realized through pre-embedded steel bar sleeves and steel bars and through grouting materials; adjacent steel pipe sections are connected through welding or steel flanges and bolts; the FRP pipe sections of adjacent combined pipes are in direct contact without additional connecting measures. Therefore, only the sleeve is grouted, large-scale concrete pouring on site is not needed, and construction is rapid and convenient. In addition, the steel flanges for connecting the steel pipe sections and the steel bar sleeves for connecting the concrete layers are used as connecting pieces of adjacent combined columns and also used as stiffening or reinforcing measures between the concrete and the two pipes, so that the structural performance of the combined column is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a perspective view of two adjacent prefabricated composite column sections of the present invention prior to being joined.
Fig. 2 is a schematic perspective view of two adjacent prefabricated composite column sections according to the present invention after the connection is completed.
Fig. 3a is a schematic longitudinal sectional view of two adjacent prefabricated composite column segments according to the present invention after the connection is completed.
Fig. 3b is a schematic cross-sectional view a-a in fig. 3 a.
Fig. 3c is a schematic cross-sectional view B-B in fig. 3 a.
Fig. 3d is a schematic cross-sectional view C-C in fig. 3 a.
Fig. 3e is a schematic cross-sectional view D-D in fig. 3 a.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1 to fig. 3e, in the prefabricated FRP pipe-concrete-steel pipe combination column provided in this embodiment, a plurality of (at least two) sections of combination column segments are prefabricated in advance, and then the plurality of sections of combination column segments are connected and fixed to obtain a desired combination column.
Referring to fig. 1 (for convenience, only two combined column sections are shown in fig. 1), each combined column section 1 includes an FRP pipe section 11 located at the outer side, a steel pipe section 12 located in the FRP pipe section 11, and a concrete layer 13 located between the FRP pipe section 11 and the steel pipe section 12. Two steel pipe sections 12 of any two adjacent combined column sections 1 are connected and fixed, and two concrete layers 13 of the two adjacent combined column sections 1 are fixed through steel bars. The two FRP pipe segments 11 of two adjacent composite column segments 1 are in direct contact without additional connecting measures.
In detail, referring to fig. 2, in this embodiment, two steel flanges 4 are fixedly disposed at opposite ends of two adjacent steel pipe segments 12, and the two adjacent steel pipe segments 12 are fixedly connected to each other by bolts 5 and the two steel flanges 4. In the embodiment provided by the invention, the connection of the adjacent steel pipe segments 12 adopts a mode of connecting the steel flanges 4 and the bolts 5. The steel flanges are prefabricated at the factory and then welded into position at the ends of the steel duct segments 112. The bolts are steel bolts, and nuts and washers need to be equipped for use when the steel bolts are used for locking the two steel flanges. And a gasket and a sealing layer are arranged between the contact surfaces of the steel flanges 4, so that adjacent steel pipe sections can be tightly connected, and the construction error can be adjusted. It should be noted that the method of connecting the steel pipe segments is not limited to the bolting in this example, and may be implemented in any other way that is easily grasped by those skilled in the art. For example, in some applications, the segments may be joined by conventional welding.
And, the inner diameter of each steel tube segment is at least 800 mm. The inner diameter of the steel pipe section is limited, so that the inner part of the steel pipe section has sufficient operation positions, and an operator can enter the steel pipe section and fasten two adjacent steel flanges through bolts.
In detail, still be provided with steel sleeve 6, steel sleeve 6's one end is provided with the internal thread, the pore has been seted up along length direction to the other end, one of them is first combination post section in the arbitrary two sets of combination post sections 1 of definition, another is second combination post section, the reinforcing bar includes first reinforcing bar 21 and second reinforcing bar 22, the internal thread threaded connection of one end and steel sleeve 6 of first reinforcing bar 21, and first reinforcing bar 21 and steel sleeve 6 are all buried underground in the concrete layer of first combination post section, the one end of second reinforcing bar 22 is pre-buried in the concrete layer of second combination post section, the other end stretches into outwards and fixes in steel sleeve 6's pore, second reinforcing bar 22 is fixed through setting up grout concrete layer 7 between the inner wall in second reinforcing bar 22 and pore.
A grouting opening 111 and a grout outlet 112 are arranged on the FRP pipe segment of the first combined column segment, the grouting opening 111 and the grout outlet 112 are both communicated with the pore channel of the steel bar sleeve 6, the grouting opening 111 is close to the second combined column segment, and the grout outlet 112 is close to the other end, far away from the second combined column segment, in the pore channel. So set up, can be through pouring into concrete in grout mouth 111 to the pore, when the concrete flows out from the grout outlet, show that the pore has been full of the concrete this moment, form pouring concrete layer 7 with fixed second reinforcing bar 22.
Referring to fig. 1 and 2, in the embodiment, a plurality of second steel bars are uniformly arranged in the concrete layer of the second combined column segment along the circumferential direction of the steel pipe segment, and correspondingly, a plurality of steel bar sleeves 6 and first steel bars are arranged in the first combined column segment, and a plurality of grouting ports and grout outlet ports are correspondingly arranged. So set up, can strengthen the connection stability on two concrete layers of adjacent two combination post sections for it is more firm to connect.
In detail, the joint of two concrete layers 13 of any two adjacent combined column sections 1 is filled with grouting material 8, and the joint is communicated with the grouting opening 111. When grouting material is poured into the pore channel through the grouting opening, the grouting material can be simultaneously filled into the joint of the two adjacent concrete layers 13. Thus, the connection between the two can be more stable.
In detail, the direct contact between the two FRP pipe segments 11 of the two adjacent combined column segments 1 does not need additional connecting measures, and the joint between the two FRP pipe segments is sealed by concrete or mortar or an adhesive.
The section of the steel pipe segment 12 is any one of circular, oval, square and rectangular, and the section of the FRP pipe segment 11 is any one of circular, oval, square and rectangular. The section shapes of the steel pipe sections and the FRP pipe sections in the same combined column section can be the same or different.
The combined column sections with relatively small length are prefabricated in advance in a factory, then the combined column sections with required number are assembled and fixed with each other on a construction site, namely, the steel pipe sections of the adjacent combined column sections are welded and fixed or fixed through steel flange bolts, then the pouring material is filled between the steel bar sleeve and the steel bars to form a pouring concrete layer, so that the adjacent combined column sections can be fixed, large-scale concrete pouring is not needed on the construction site, the construction is quicker and more convenient, and the combined columns with different lengths can be obtained according to requirements. In addition, the steel flanges for connecting the steel pipe sections and the steel bar sleeves for connecting the concrete layer can be used as a connecting piece between adjacent combined column sections, and can also be used as a stiffening or reinforcing measure between the concrete and the steel pipe sections and between the concrete and the FRP pipe sections, so that the structural performance of the combined column is improved.
Example 2
Essentially the same as in example 1, except that: this example also provides a method of constructing the integrated column of example 1.
The method for constructing the FRP pipe-concrete-steel pipe combined column comprises the following steps:
(1) aligning the first combined column segment embedded with the steel bar sleeve with the second combined column segment embedded with the second steel bar, and sleeving the second steel bar into the pore channel of the steel bar sleeve;
(2) fixing the steel pipe sections of the first combined column section and the second combined column section in a welding or bolt connection mode;
(3) sealing the joint of the FRP pipe segments of the first combined column segment and the FRP pipe segments of the second combined column segment, for example, any one of concrete, mortar, adhesive, etc. may be used to prevent the slurry from leaking from the joint during subsequent grouting;
(4) injecting grouting material from the grouting port, introducing the grouting material into the pore passage, and blocking the grout outlet with the grouting material by using rubber plugs one by one until all the steel bar sleeves are filled with the grouting material to form a grouting concrete layer; after grouting is finished, the surfaces of a grouting opening and a grout outlet are smoothed; so far, the connection between the two combined column sections is completed;
(5) repeating steps (1) to (4) until the desired integrated column is obtained. Different numbers of combined column sections can be connected according to actual construction requirements so as to obtain combined columns with different lengths.
Referring to fig. 3a, a grouting material is filled in a joint between the concrete layers 13 of two adjacent combined column segments 1 through a grouting opening 111 to further fix the two concrete layers.
Before the connection construction of the steel bar sleeve 6 and the steel bar, the interior of the steel bar sleeve 6 needs to be flushed with water and moistened by a high-pressure water pipe; grouting materials are injected from the grouting openings 111, and then the grouting openings 112 where the grouting materials flow out are blocked one by rubber plugs until all the pore passages of the steel bar sleeve 6 are filled with the grouting materials.
Although the present invention has been described with reference to the current embodiments, it should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. The invention aims to provide a prefabricated FRP pipe-concrete-steel pipe combined column and a construction method thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. It should be noted that although the present invention provides only the prefabricated FRP pipe-concrete-steel pipe combination column and the construction method thereof, the similar column structure is within the scope of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The prefabricated assembled FRP pipe-concrete-steel pipe combination column is characterized in that: comprising at least two combined post segments,
each combined column segment (1) comprises an FRP pipe segment (11) positioned at the outer side, a steel pipe segment (12) positioned in the FRP pipe segment (11), and a concrete layer (13) positioned between the FRP pipe segment (11) and the steel pipe segment (12);
the two steel pipe sections (12) of any two adjacent combined column sections (1) are fixedly connected, and the two concrete layers (13) of the two adjacent combined column sections (1) are fixed through steel bars.
2. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 1, wherein: and two steel pipe sections (12) of any two adjacent combined column sections (1) are welded and fixed.
3. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 1, wherein: adjacent two the relative one end of steel pipe festival section (12) all is fixed and is provided with steel flange (4), and steel flange (4) are located the inboard of steel pipe festival section (12), adjacent two through bolt (5) and two between steel pipe festival section (12) steel flange (4) cooperation realization fixed connection.
4. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 1, wherein: the inner diameter of each steel tube segment (12) is at least 800 mm.
5. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 1, wherein: the section of the steel pipe section (12) is any one of circular, oval, square and rectangular, and the section of the FRP pipe section (11) is any one of circular, oval, square and rectangular.
6. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 1, wherein: also comprises a steel bar sleeve (6), one end of the steel bar sleeve (6) is provided with an internal thread, the other end is provided with a pore canal along the length direction,
the reinforcing bars comprise a first reinforcing bar (21) and a second reinforcing bar (22);
one of any two adjacent combined column sections (1) is defined as a first combined column section, the other one of the any two adjacent combined column sections is defined as a second combined column section, one end of a first steel bar (21) is in threaded connection with the steel bar sleeve (6), the first steel bar (21) and the steel bar sleeve (6) are both embedded in a concrete layer of the first combined column section, one end of a second steel bar (22) is embedded in a concrete layer of the second combined column section, and the other end of the second steel bar extends outwards and is fixed in a pore channel of the steel bar sleeve (6).
7. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in any one of claims 1 to 6, wherein: and a grouting concrete layer (7) is arranged between the second steel bar (22) and the inner wall of the pore channel.
8. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 7, wherein: the FRP pipe segment of the first combined column segment is provided with a grouting opening (111) and a grout outlet (112), the grouting opening (111) and the grout outlet (112) are communicated with a pore channel of the steel bar sleeve (6), the grouting opening (111) is close to the second combined column segment, and the grout outlet (112) is close to the other end, far away from the second combined column segment, of the pore channel.
9. The prefabricated assembled FRP pipe-concrete-steel pipe combined column as claimed in claim 8, wherein: and grouting materials (8) are filled at the joint of the two concrete layers (13) of any two adjacent combined column segments (1), and the joint is communicated with the grouting opening (111).
The method for constructing the FRP pipe-concrete-steel pipe combined column is characterized by comprising the following steps:
(1) aligning the first combined column segment embedded with the steel bar sleeve with the second combined column segment embedded with the second steel bar, and sleeving the second steel bar into the pore channel of the steel bar sleeve;
(2) fixing the steel pipe sections of the first combined column section and the second combined column section in a welding or bolt connection mode;
(3) sealing at the joint of the FRP pipe segments of the first combined column segment and the FRP pipe segments of the second combined column segment;
(4) injecting grouting material from the grouting port, introducing the grouting material into the pore passage, and blocking the grout outlet with the grouting material by using rubber plugs one by one until all the steel bar sleeves are filled with the grouting material to form a grouting concrete layer; after grouting is finished, the surfaces of a grouting opening and a grout outlet are smoothed; so far, the connection between the two combined column sections is completed;
(5) repeating steps (1) to (4) until the desired integrated column is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997368.5A CN112282214A (en) | 2020-09-21 | 2020-09-21 | Prefabricated FRP (fiber reinforced plastic) pipe-concrete-steel pipe combined column and construction method thereof |
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| CN202010997368.5A CN112282214A (en) | 2020-09-21 | 2020-09-21 | Prefabricated FRP (fiber reinforced plastic) pipe-concrete-steel pipe combined column and construction method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832834A (en) * | 2021-08-26 | 2021-12-24 | 广州市公用事业规划设计院有限责任公司 | Fixed connection node of double-wall hollow pier stud and steel bridge and construction method |
| CN114277937A (en) * | 2022-02-08 | 2022-04-05 | 华北理工大学 | Hollow sandwich steel pipe concrete member connecting structure, composite structure and construction method |
| CN115142616A (en) * | 2022-07-25 | 2022-10-04 | 中国建筑土木建设有限公司 | Fabricated FRP (fiber reinforced plastic) pipe confined concrete pipe column structure and construction method thereof |
| CN116591395A (en) * | 2023-07-17 | 2023-08-15 | 福建农林大学 | Insertion-assembly type steel tube concrete composite column with gradual-change steel tube and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100054889A (en) * | 2008-11-15 | 2010-05-26 | 고려대학교 산학협력단 | Development of fabricated internally confined hollow concrete filled tube using corrugated tube |
| 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 |
| CN105464289A (en) * | 2016-01-11 | 2016-04-06 | 华侨大学 | Assembling type steel tube concrete combination column |
| CN208251467U (en) * | 2018-01-22 | 2018-12-18 | 中国建筑股份有限公司 | A kind of half grout sleeve of reinforcing bar and its connection structure of roll forming |
| JP2020133158A (en) * | 2019-02-15 | 2020-08-31 | 清水建設株式会社 | Method of bonding precast concrete column |
| CN213418235U (en) * | 2020-09-21 | 2021-06-11 | 华南理工大学 | Prefabricated assembled FRP pipe-concrete-steel pipe combination column |
-
2020
- 2020-09-21 CN CN202010997368.5A patent/CN112282214A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100054889A (en) * | 2008-11-15 | 2010-05-26 | 고려대학교 산학협력단 | Development of fabricated internally confined hollow concrete filled tube using corrugated tube |
| 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 |
| CN105464289A (en) * | 2016-01-11 | 2016-04-06 | 华侨大学 | Assembling type steel tube concrete combination column |
| CN208251467U (en) * | 2018-01-22 | 2018-12-18 | 中国建筑股份有限公司 | A kind of half grout sleeve of reinforcing bar and its connection structure of roll forming |
| JP2020133158A (en) * | 2019-02-15 | 2020-08-31 | 清水建設株式会社 | Method of bonding precast concrete column |
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