CN218028479U - FRP rib sea water sand concrete column member with built-in multi-cavity FRP-steel composite pipe - Google Patents
FRP rib sea water sand concrete column member with built-in multi-cavity FRP-steel composite pipe Download PDFInfo
- Publication number
- CN218028479U CN218028479U CN202222279082.0U CN202222279082U CN218028479U CN 218028479 U CN218028479 U CN 218028479U CN 202222279082 U CN202222279082 U CN 202222279082U CN 218028479 U CN218028479 U CN 218028479U
- Authority
- CN
- China
- Prior art keywords
- frp
- cavity
- steel composite
- composite pipe
- steel
- 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.)
- Active
Links
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model belongs to the technical field of ocean engineering structures, in particular to an FRP rib seawater sea sand concrete column component with a built-in multi-cavity FRP-steel composite pipe, which comprises a reinforcement cage, a multi-cavity FRP-steel composite pipe, a plurality of stainless steel rings, FRP cloth and seawater sea sand concrete, wherein the reinforcement cage builds a frame of the column component; the multi-cavity FRP-steel composite pipe is arranged in the middle of the reinforcement cage, and comprises a plurality of steel pipes which are closely arranged to form the multi-cavity FRP-steel composite pipe with a quadrilateral section; a plurality of stainless steel rings are arranged at equal intervals and sleeved outside the multi-cavity FRP-steel composite pipe; the FRP cloth is wrapped in the outer pipe wall of the multi-cavity FRP-steel composite pipe except for the connection part with the stainless steel rings; the seawater sea sand concrete is poured from the outer pipe wall of the multi-cavity FRP-steel composite pipe to the direction of the reinforcement cage, and the multi-cavity FRP-steel composite pipe, the plurality of stainless steel rings and the reinforcement cage are poured into a whole. The utility model discloses be applied to strong corrosive environment such as coastal, be of value to and promote ocean engineering construction.
Description
Technical Field
The utility model belongs to the technical field of the ocean engineering structure, concretely relates to FRP muscle sea water sand concrete column component of built-in multicavity FRP-steel composite pipe.
Background
In recent years, the interest in ocean engineering construction in China has been increasing day by day, so that large-scale construction activities in coastal areas such as islands and the like are required. On one hand, the demand for concrete in engineering is huge, river sand and fresh water resources are in short supply, and the transportation of a large amount of building materials from inland can result in the improvement of engineering transportation cost and long construction period; on the other hand, in environments with strong corrosivity such as coastal areas, steel in structures or members is easy to corrode, so that the bearing capacity and the service life are greatly reduced.
In coastal areas, sea resources such as seawater, sea sand and the like are abundant, and if seawater and sea sand concrete can be developed and utilized, the problems of river sand resource shortage and economic construction can be balanced. In order to solve the problems of high chloride ion content, strong corrosivity and the like in seawater and sea sand concrete, steel materials in a structure or a member need to be replaced by materials with strong corrosion resistance. Research shows that FRP as non-metal fiber composite material has the advantages of high strength, low density, corrosion resistance and the like, can exert good performance in strong corrosive environment and becomes a reinforcing steel bar in a structure or a member
However, in practical application, FRP materials have the defects of low elastic modulus, weak compressive strength and poor ductility, and more materials are needed or the structural deformation requirements are made up, so that the design difficulty is increased. The FRP is combined with steel, so that advantages can be made good, and disadvantages can be avoided, if the FRP and the steel pipe jointly constrain concrete, better comprehensive mechanical properties can be obtained, better ductility of the steel and corrosion resistance and high tensile strength of the FRP can be fully exerted, and meanwhile, the member has good secondary stiffness effect under the load action. Therefore, the steel pipe can be matched with the FRP material to be applied to a structure or a member only by carrying out some specific anticorrosive treatment on the steel pipe.
Disclosure of Invention
The utility model provides a built-in FRP muscle sea water sea sand concrete column component and the preparation method of multicavity FRP-steel composite pipe, the muscle material uses corrosion-resistant FRP muscle in the component, and multicavity FRP-steel composite pipe has taken the mode of outer FRP cloth of pasting to carry out anticorrosive treatment, can be applied to under the strong corrosive environment such as coastal to satisfy structural deformation and durability requirement.
The utility model provides a technical scheme that its technical problem adopted is: a FRP rib seawater sea sand concrete column component with a built-in multi-cavity FRP-steel composite pipe comprises a reinforcement cage, a multi-cavity FRP-steel composite pipe, a plurality of stainless steel rings, FRP cloth and seawater sea sand concrete, wherein:
a framework of the column component is built by the reinforcement cage;
the multi-cavity FRP-steel composite pipe is arranged in the middle of the reinforcement cage, and comprises a plurality of steel pipes which are closely arranged to form the multi-cavity FRP-steel composite pipe with a quadrangular section;
a plurality of stainless steel rings are arranged at equal intervals and sleeved outside the multi-cavity FRP-steel composite pipe;
the FRP cloth is wrapped on the outer pipe wall of the multi-cavity FRP-steel composite pipe except for the connecting parts with the stainless steel rings;
pouring the seawater sea sand concrete from the outer pipe wall of the multi-cavity FRP-steel composite pipe to the direction of the reinforcement cage, pouring the multi-cavity FRP-steel composite pipe, the stainless steel rings and the reinforcement cage into a whole, and completely wrapping the reinforcement cage in the seawater sea sand concrete.
As the utility model discloses a further preferred, the reinforcement cage includes that a plurality of FRP indulges muscle and a plurality of FRP stirrup, and a plurality of FRP indulges muscle longitudinal distribution and encloses into a quadrangle structure, and a plurality of FRP stirrup equidistance cover is established and is indulged the quadrangle structure's that the muscle encloses outside at a plurality of FRP, and a plurality of FRP stirrup and every FRP indulge the muscle and contact.
As a further preferred aspect of the present invention, the multi-cavity FRP-steel composite pipe comprises four square steel pipes, and the four square steel pipes are manufactured into the multi-cavity FRP-steel composite pipe by a 2X 2 arrangement form through a splicing and welding manner.
As the utility model discloses a further preferred, a plurality of stainless steel rings adopt argon arc welding technique to weld on multicavity FRP-steel composite pipe outer pipe wall, and the welding interval is less than or equal to 300mm.
As a further preferred aspect of the present invention, the ring width of the stainless steel ring is not less than 10mm, and the thickness is not less than 5mm.
Through above technical scheme, for prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the muscle material that uses among the column member is corrosion-resistant FRP muscle, and multicavity FRP-steel composite pipe has taken the mode of outer subsides FRP cloth to carry out anticorrosive treatment, can make the column member be applied to strong corrosive environment such as coastal comprehensively, is of value to and promotes ocean engineering construction.
2. The utility model discloses collocation uses FRP material and steel among the column member, compares in the member that is applied to the single FRP that uses in the ocean engineering in the past, has the consumptive material few, the lower advantage of the design degree of difficulty, has good anti-seismic performance simultaneously.
3. The utility model discloses the multicavity FRP-steel composite pipe who uses among the column component is processed and is made according to 2X 2's arrangement form by 4 square steel pipes of equidimension and forms, can prevent effectively that the column component steel pipe wall from buckling to inside under the loading effect.
4. The utility model discloses in the column member outside equidistance welding a plurality of stainless steel rings of multicavity FRP-steel composite pipe, can strengthen the adhesion force between multicavity FRP-steel composite pipe and the sea water sea sand concrete, make sea water sea sand concrete and multicavity FRP-steel composite pipe can better exert a function in coordination.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a cross-sectional view of a column of the present invention;
FIG. 2 is a schematic view of the structure of the multi-cavity FRP-steel composite pipe of the present invention.
In the figure: 1. a square steel pipe; 2. FRP longitudinal ribs; 3. FRP hooping; 4. seawater sea sand concrete; 5. multi-cavity FRP-steel composite pipes; 6. a stainless steel ring; 7. FRP cloth.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
Example 1
This example provides a preferred embodiment, an FRP bar seawater sea sand concrete column member with a multi-cavity FRP-steel composite tube inside, the column member includes a reinforcement cage, a multi-cavity FRP-steel composite tube 5, a plurality of stainless steel rings 6, FRP cloth 7, and seawater sea sand concrete 4, wherein:
the reinforcement cage builds a frame of the column member. Specifically, the reinforcement cage includes that a plurality of FRP indulges muscle 2 and a plurality of FRP stirrup 3, and a plurality of FRP indulges 2 longitudinal distribution of muscle and encloses into a quadrangle structure, and a plurality of FRP stirrup 3 equidistance cover is established and is indulged the quadrangle structure's that muscle 2 encloses outside in a plurality of FRP, and a plurality of FRP stirrup 3 and every FRP indulge muscle 2 and contact.
The multi-cavity FRP-steel composite pipe 5 is arranged in the middle of the reinforcement cage, the multi-cavity FRP-steel composite pipe 5 comprises a plurality of steel pipes, and the plurality of steel pipes are tightly arranged to form the multi-cavity FRP-steel composite pipe 5 with a quadrilateral cross section. Preferably, the multi-cavity FRP-steel composite pipe 5 comprises four square steel pipes 1, and the multi-cavity FRP-steel composite pipe 5 is manufactured by the four square steel pipes 1 according to a 2 x 2 arrangement mode through glue joint and welding.
A plurality of stainless steel rings 6 are arranged at equal intervals and sleeved outside the multi-cavity FRP-steel composite pipe 5. The stainless steel ring 6 is used for increasing the bonding force between the multi-cavity FRP-steel composite pipe 5 and the seawater sea sand concrete 4, so that the two pipes can better play a role in synergy. Preferably, the stainless steel rings 6 are welded on the outer pipe wall of the multi-cavity FRP-steel composite pipe 5 by adopting the argon arc welding technology, and the welding distance is less than or equal to 300mm; the ring width of the stainless steel ring 6 is more than or equal to 10mm, and the thickness is more than or equal to 5mm.
The FRP cloth 7 is wrapped on the outer pipe wall of the multi-cavity FRP-steel composite pipe 5 except the connecting parts with the stainless steel rings 6. The FRP cloth 7 prevents the multi-cavity FRP-steel composite pipe 5 from directly contacting the seawater sea sand concrete 4.
The seawater sea sand concrete 4 is poured from the outer pipe wall of the multi-cavity FRP-steel composite pipe 5 to the direction of the reinforcement cage, the multi-cavity FRP-steel composite pipe 5, the stainless steel rings 6 and the reinforcement cage are poured into a whole, and the reinforcement cage is completely wrapped in the seawater sea sand concrete 4. The seawater sea sand concrete 4 contains a large amount of chloride ions, and the chloride ions can accelerate corrosion of reinforcing steel bars.
The embodiment also provides a manufacturing method of the FRP rib seawater sea sand concrete column component with the built-in multi-cavity FRP-steel composite pipe, which comprises the following steps:
s1, manufacturing a reinforcement cage:
manufacturing a template according to the size of the test piece, and bundling a plurality of FRP longitudinal ribs 2 and a plurality of FRP stirrups 3 into a reinforcement cage;
s2, manufacturing a multi-cavity FRP-steel composite pipe 5:
four square steel pipes 1 are arranged according to 2 multiplied by 2 and a multi-cavity FRP-steel composite pipe 5 is manufactured by adopting a glue joint and welding mode;
specifically, in the step S2, the four square steel pipes 1 are bonded together by adopting acrylate AB glue, and after the glue is dried and solidified, the chamfer angles of the joints of the four square steel pipes 1 are welded and reinforced. Preferably, the multi-lumen FRP-steel composite tube 5 is polished smooth to facilitate welding with the stainless steel ring 6.
Step S3, setting a stainless steel ring 6:
welding a plurality of stainless steel rings 6 on the outer pipe wall of the multi-cavity FRP-steel composite pipe 5 by adopting an argon arc welding technology;
specifically, the stainless steel plate is cut into a ring shape according to the length of the outer edge of the multi-cavity FRP-steel composite pipe 5, and the inner diameter of the stainless steel ring 6 is larger than the outer length of the multi-cavity steel pipe so as to be convenient for sleeving the stainless steel ring 6 on the multi-cavity FRP-steel composite pipe 5.
S4, wrapping the FRP cloth 7:
the FRP cloth 7 is wrapped on the outer pipe wall of the multi-cavity FRP-steel composite pipe 5 except the connecting parts with the stainless steel rings 6;
specifically, in the step S4, the FRP cloth 7 is soaked with the epoxy resin glue before being wrapped, and the FRP cloth 7 soaked with the epoxy resin glue is wrapped on the outer wall of the multi-cavity FRP-steel composite pipe 5, so that the contact with the seawater sea sand concrete 4 to resist the corrosion of chloride ions is effectively avoided.
Step S5, manufacturing a column component:
and (3) placing the reinforcement cage manufactured in the step (S1) and the multi-cavity FRP-steel composite pipe 5 which is provided with the stainless steel ring 6 and wrapped with the FRP cloth 7 into a column member mould, pouring seawater sea sand concrete 4, and demoulding to finish the manufacturing of the column member after the strength of the column member reaches the standard.
The embodiment is suitable for ocean island engineering, local materials are used, seawater and sea sand resources rich in coastal areas are utilized, and the cost is saved while the requirement on durability is met. The reinforcing bars of the embodiment are FRP longitudinal bars 2 and FRP stirrups 3, and stainless steel rings 6 are welded outside a multi-cavity FRP-steel composite pipe 5 to strengthen the bonding force between the multi-cavity FRP-steel composite pipe and seawater sea sand concrete 4; FRP cloth 7 is pasted on the outer wall of the multi-cavity FRP-steel composite pipe 5 between the stainless steel rings 6 for corrosion prevention treatment, so that the corrosion of chloride ions in the seawater sea sand concrete 4 to steel is effectively avoided; the FRP longitudinal ribs 2, the FRP stirrups 3 and the multi-cavity FRP-steel composite pipes 5 which are arranged in the column component in a mixed way can ensure that the column component has good secondary rigidity under the action of horizontal load. In the embodiment, physical measures are adopted to isolate steel from seawater sea sand concrete 4, and specifically, the corrosion of chloride ions in the seawater sea sand concrete 4 on the multi-cavity FRP-steel composite pipe 5 is isolated by winding FRP cloth 7 on the outer surface of the multi-cavity FRP-steel composite pipe 5. In the embodiment, the multi-cavity FRP-steel composite pipe 5 wrapped with the FRP cloth 7 is directly contacted with the seawater sea sand concrete 4 by the corrosion-resistant FRP longitudinal ribs 2 and the FRP hoop ribs 3, and the whole system is naturally corrosion-resistant from a gene layer.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A FRP rib sea water sand concrete column component with built-in multi-cavity FRP-steel composite pipes is characterized in that: the reinforced concrete composite pipe comprises a reinforcement cage, a multi-cavity FRP-steel composite pipe, a plurality of stainless steel rings, FRP cloth and seawater sea sand concrete, wherein:
a framework of the column component is built by the reinforcement cage;
the multi-cavity FRP-steel composite pipe is arranged in the middle of the reinforcement cage, and comprises a plurality of steel pipes which are closely arranged to form the multi-cavity FRP-steel composite pipe with a quadrilateral section;
a plurality of stainless steel rings are arranged at equal intervals and sleeved outside the multi-cavity FRP-steel composite pipe;
the FRP cloth is wrapped in the outer pipe wall of the multi-cavity FRP-steel composite pipe except for the connection part with the stainless steel rings;
pouring the seawater sea sand concrete from the outer pipe wall of the multi-cavity FRP-steel composite pipe to the direction of the reinforcement cage, pouring the multi-cavity FRP-steel composite pipe, the stainless steel rings and the reinforcement cage into a whole, and completely wrapping the reinforcement cage in the seawater sea sand concrete.
2. The FRP rib seawater sea sand concrete column member with built-in multi-cavity FRP-steel composite pipes as claimed in claim 1, which is characterized in that: the reinforcement cage comprises a plurality of FRP longitudinal ribs and a plurality of FRP stirrups, wherein the plurality of FRP longitudinal ribs are longitudinally distributed and enclose a quadrilateral structure, the plurality of FRP stirrups are equidistantly sleeved outside the quadrilateral structure enclosed by the plurality of FRP longitudinal ribs, and the plurality of FRP stirrups are in contact with each FRP longitudinal rib.
3. The FRP rib seawater sea sand concrete column member with built-in multi-cavity FRP-steel composite pipes as claimed in claim 2, which is characterized in that: the multi-cavity FRP-steel composite pipe comprises four square steel pipes, and the four square steel pipes are manufactured into the multi-cavity FRP-steel composite pipe in a 2 x 2 arrangement mode through glue joint and welding.
4. The FRP rib seawater sea sand concrete column member with built-in multi-cavity FRP-steel composite pipes as claimed in claim 3, wherein: the stainless steel rings are welded on the outer pipe wall of the multi-cavity FRP-steel composite pipe by adopting an argon arc welding technology, and the welding distance is less than or equal to 300mm.
5. The FRP rib seawater sea sand concrete column member with built-in multi-cavity FRP-steel composite pipes as claimed in claim 4, wherein: the ring width of the stainless steel ring is more than or equal to 10mm, and the thickness of the stainless steel ring is more than or equal to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279082.0U CN218028479U (en) | 2022-08-29 | 2022-08-29 | FRP rib sea water sand concrete column member with built-in multi-cavity FRP-steel composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279082.0U CN218028479U (en) | 2022-08-29 | 2022-08-29 | FRP rib sea water sand concrete column member with built-in multi-cavity FRP-steel composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218028479U true CN218028479U (en) | 2022-12-13 |
Family
ID=84351845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222279082.0U Active CN218028479U (en) | 2022-08-29 | 2022-08-29 | FRP rib sea water sand concrete column member with built-in multi-cavity FRP-steel composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218028479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188689A (en) * | 2023-07-28 | 2023-12-08 | 保利长大工程有限公司 | FRP-steel composite pipe constraint sea water sea sand concrete column and preparation method thereof |
-
2022
- 2022-08-29 CN CN202222279082.0U patent/CN218028479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188689A (en) * | 2023-07-28 | 2023-12-08 | 保利长大工程有限公司 | FRP-steel composite pipe constraint sea water sea sand concrete column and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202390752U (en) | Fiber-steel composite pipe reinforced concrete pier | |
| CN218028479U (en) | FRP rib sea water sand concrete column member with built-in multi-cavity FRP-steel composite pipe | |
| CN101560816A (en) | FRP rib fibre cloth winding coaxial connection method | |
| CN103806368B (en) | Tensile string wood arch structure | |
| CN102409764A (en) | Reinforced concrete frame variable beam special-shaped node structure and reinforcing method | |
| CN102433962A (en) | Square covering square hollow sandwiched carbon fiber steel rib-steel pipe concrete combined column | |
| CN101328751A (en) | Fiber composite material steel reinforced concrete structure | |
| CN112360059B (en) | Pre-tensioned pre-stressed composite beam adopting FRP (fiber reinforced plastic) combined ribs and construction method thereof | |
| CN102392509A (en) | Hollow carbon fiber steel rib-steel tube concrete column with inner hole sheathed in square cross section | |
| CN201865246U (en) | Fiber reinforce plastic (FRP)-steel composite tube concrete column | |
| CN108360749A (en) | A kind of FRP- steel interlining composite pipes concrete column and preparation method thereof | |
| CN215802679U (en) | Rectangular FRP pipe-concrete combined column adopting spiral stirrups | |
| CN202248269U (en) | Hollow combination of fiber-steel composite pipe and concrete | |
| CN209163221U (en) | A kind of FRP pipe composite reinforcing sea sand concrete columns | |
| CN113047511A (en) | Assembled FRP-gradient sea sand concrete combined wallboard | |
| CN103306431B (en) | Concrete reinforced pipe lattice column | |
| CN205839992U (en) | The assembling structure of precast concrete beam and composite steel tube concrete column | |
| CN105735666B (en) | A kind of method of rapid reinforcement concrete column | |
| CN114775783B (en) | Assembled steel reinforced concrete column-PVC-FRP pipe reinforced concrete beam connection node | |
| CN217557397U (en) | Fiber reinforced composite (FRP) winding type truss connecting node | |
| CN212642223U (en) | CFRP cloth and concrete component assembled steel core concrete column of consolidating | |
| CN202672769U (en) | Reinforced concrete frame reinforced by fibrous composite cloth | |
| CN216276463U (en) | Carbon fiber bar and steel bar composite ICCP-SS seawater sea sand concrete beam | |
| CN211113134U (en) | FRP pipe sea water sand concrete core reinforced concrete beam | |
| CN206438601U (en) | A kind of basalt fibre flexural member and load-carrying members |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |