CN211917773U - Composite material combined column with pultruded profile as core material - Google Patents
Composite material combined column with pultruded profile as core material Download PDFInfo
- Publication number
- CN211917773U CN211917773U CN202020266972.6U CN202020266972U CN211917773U CN 211917773 U CN211917773 U CN 211917773U CN 202020266972 U CN202020266972 U CN 202020266972U CN 211917773 U CN211917773 U CN 211917773U
- Authority
- CN
- China
- Prior art keywords
- section
- composite material
- cross
- composite
- pultrusion
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 95
- 239000011162 core material Substances 0.000 title claims description 21
- 239000000835 fiber Substances 0.000 claims abstract description 66
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 239000002344 surface layer Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 18
- 239000002356 single layer Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 2
- 239000003365 glass fiber Substances 0.000 description 29
- 239000003822 epoxy resin Substances 0.000 description 18
- 229920000647 polyepoxide Polymers 0.000 description 18
- 239000000945 filler Substances 0.000 description 8
- 229920002748 Basalt fiber Polymers 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 229920006231 aramid fiber Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229920001568 phenolic resin Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000005007 epoxy-phenolic resin Substances 0.000 description 3
- 229920006305 unsaturated polyester Polymers 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- -1 stitch-bonded felt Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011185 multilayer composite material Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Images
Abstract
The utility model discloses an use combined material post of pultrude section bar as core, including pultrude section bar, combined material fiber web and combined material surface course, the pultrude section bar is along cross-section direction parcel fibre cloth and built-up connection, and it is polygon cross-section, circular cross-section or hollow cross-section to constitute cross sectional shape, the combined material surface course is along the whole parcel in combined member surface and bonds, the mode of bonding adopts the leading-in technology in resin vacuum or the manual worker of pasting of resin, the combined material fiber web is formed with the resin mixture for pultrude section bar within a definite time fibre cloth, the combined material surface course is formed with the resin mixture for the outer fibre cloth of pultrude section bar. The stripping resistance and the cooperative working capacity of the surface layer and the pultruded profile are greatly improved, the compressive strength and the buckling strength of the pultruded profile are obviously enhanced, the cross section shape is flexibly combined, and the problem that the complex cross section cannot be manufactured by the composite material pultrusion process is solved.
Description
Technical Field
The utility model belongs to the technical field of the combined material structure and specifically relates to a have high specific strength, than rigidity and corrosion resistance ground lattice reinforcing pultrusion section bar pressurized component, be particularly suitable for the cross-section complicated, intensity requirement is high, the strong column member of the environmental corrosivity of locating
Background
Due to the specific forming process and obvious anisotropic characteristics of the composite material pultruded profile, the transverse stress performance of the composite material pultruded profile is weak, and under the action of external load, local buckling or splitting damage is easy to occur along the pultrusion direction, so that the strength of the composite material cannot be fully exerted. Although the defects of the hoop-wrapped composite material fiber cloth can be improved, the interface bonding performance is poor, peeling damage is easy to occur under the load action, and the material strength utilization rate is low. In addition, the existing pultrusion process is limited by technology, cannot manufacture complex sections and is limited in use in engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the prior art problem, provide a combined material combination post that uses pultrusion section bar as core that compressive strength is high, buckling strength is high, interface bonding strength is high, the interface is arranged in a flexible way
The utility model adopts the technical proposal that: a composite material combination column taking a pultruded profile as a core material comprises the pultruded profile, a composite material fiber web and a composite material surface layer;
the composite material composite column is characterized in that the pultruded profile is used as a core material of the composite material composite column, the pultruded profile is wrapped with fiber cloth along the cross section direction and combined to form a composite member, the fiber cloth and resin are mixed to form a composite material fiber web, the fiber cloth is single-layer, double-layer or multi-layer, and the pultruded profile is single-cavity type or multi-cavity type and is triangular, rectangular, trapezoidal or arc-shaped; the section of the pultrusion profile is a polygonal section, a circular section or a hollow section; filling the hollow section with foam, wood or concrete to form a solid profile;
and the composite material surface layer is wrapped and bonded along the surface of the combined member.
Preferably, the pultruded profile is composed of a matrix material (unsaturated polyester, epoxy or phenolic resin), a reinforcement material (continuous glass fibre, stitch-bonded felt, composite felt, continuous felt, nylon felt, polyester surfacing felt, composite surfacing felt) and auxiliary materials (mould release agent, curing agent, low shrinkage additive and filler).
Preferably, the fiber used for each layer of the fiber cloth adopts uniaxial, biaxial or multiaxial carbon fiber, glass fiber, basalt fiber, aramid fiber or hybrid fiber, preferably glass fiber, and is high in cost performance and suitable for engineering
Preferably, the bonding mode adopts a resin vacuum introduction process or a resin hand pasting process.
Preferably, the resin used in the vacuum resin introduction process and the resin hand pasting process is unsaturated polyester, vinyl resin, epoxy resin or phenolic resin, and preferably is unsaturated resin.
Preferably, the hollow section is filled with concrete, so that the hollow section is easy to fill.
Has the advantages that: the utility model discloses use combined material pultrusion section bar as the core, adopt the leading-in technique in vacuum, arrange the cross sectional shape in a flexible way, with the combined material surface course, combined material fiber web and the whole one shot forming of pultrusion section bar (core), solve the unable problem of making complicated cross section of combined material pultrusion technology, greatly improve the anti ability of peeling off and the collaborative work ability of surface course and pultrusion section bar (core), show compressive strength and the buckling strength that strengthens pultrusion section bar (core), simultaneously pultrusion section bar (core) hollow section is convenient for multiple material secondary and is filled, the structure atress performance has the variety.
Drawings
FIG. 1 is a schematic view of a composite hollow tube lattice column with a quadrangular cross section according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a fiber pultrusion rectangular tube in embodiment 1 of the present invention;
fig. 3 is a schematic view of a composite hollow tube lattice column with a circular cross section according to embodiment 2 of the present invention;
fig. 4 is a schematic view of the embodiment 2 of the present invention;
fig. 5 is a schematic view of a composite hollow tube lattice column with a hexagonal cross section according to embodiment 3 of the present invention;
FIG. 6 is a schematic view of a fiber pultrusion triangular tube according to embodiment 3 of the present invention;
fig. 7 is a schematic view of a composite hollow tube lattice column with a circular cross section according to embodiment 4 of the present invention;
FIG. 8 is a schematic view of a fiber pultrusion trapezoid tube in example 4 of the present invention;
fig. 9 is a schematic view of a composite hollow tube lattice column with a hollow rectangular cross section according to example 5 of the present invention;
FIG. 10 is a schematic view of a fiber pultruded multi-lumen rectangular tube according to example 5 of the present invention;
fig. 11 is a schematic view of a composite material solid tube lattice column with a rectangular cross section according to example 6 of the present invention;
FIG. 12 is a schematic view of the fiber pultrusion rectangular tube filled with concrete according to the embodiment of the present invention;
fig. 13 is a schematic view of a composite material solid tube lattice column with a circular ring section according to embodiment 7 of the present invention;
FIG. 14 is a schematic view of the fiber pultrusion ladder-shaped tube filled with concrete according to the embodiment of the present invention;
FIG. 15 is a schematic view of a fiber pultruded profile mounting seal
FIG. 16 is a schematic view of the fiber cloth wrapped along the cross-sectional direction after the sealing of the sealing piece of the fiber pultruded profile
FIG. 17 is a schematic view of a fiber pultruded profile cap closure;
FIG. 18 is a schematic view of a fiber cloth wrapped along the cross-sectional direction after the fiber pultruded profile cap is sealed;
fig. 19 is a schematic view of the assembly member integrally wrapping the fiber cloth along the cross-sectional direction.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example 1
As shown in fig. 1 and 2, the utility model relates to a composite material composite column using a pultrusion section bar as a core material, which comprises a pultrusion section bar 1, a composite material fiber web plate 2 and a composite material surface layer 3. The pultrusion section bar 1 is a glass fiber pultrusion rectangular tube, the height of the rectangular tube is 400mm, the side length is 100mm, the wall thickness is 5mm, and the composite material fiber web plate 2 is epoxy resin filled double-layer four-axial glass fiber cloth. The connecting combined section of the pultruded profile 1 is rectangular, the adjacent pultruded profiles 1 are connected through a composite material fiber web 2, and the composite material surface layer 3 is four layers of quadriaxial glass fiber cloth filled with epoxy resin.
Example 2
As shown in fig. 3 and 4, the utility model relates to a composite material composite column using a pultrusion section as a core material, which comprises a pultrusion section 1, a composite material fiber web 2 and a composite material surface layer 3. The pultrusion section bar 1 is a glass fiber pultrusion arc tube, the height of the arc tube is 400mm, the diameter of the arc tube is 200mm, the central angle of the arc tube is 90 degrees, the wall thickness of the arc tube is 5mm, and the composite material fiber web 2 is epoxy resin filled double-layer four-axial glass fiber cloth. The connecting combined section of the pultruded profile 1 is circular, the adjacent pultruded profiles 1 are connected through a composite material fiber web 2, and the composite material surface layer 3 is six layers of quadriaxial glass fiber cloth filled with epoxy resin.
Example 3
As shown in fig. 5 and 6, the utility model relates to a composite material composite column using a pultrusion section as a core material, which comprises a pultrusion section 1, a composite material fiber web 2 and a composite material surface layer 3. The pultrusion section bar 1 is a glass fiber pultrusion triangular tube, the height of the triangular tube is 400mm, the side length is 100mm, the wall thickness is 5mm, and the composite material fiber web plate 2 is epoxy resin filled four-layer four-axial glass fiber cloth. The connecting combined section of the pultruded profile 1 is hexagonal, the adjacent pultruded profiles 1 are connected through a composite material fiber web 2, and the composite material surface layer 3 is six layers of quadriaxial glass fiber cloth filled with epoxy resin.
Example 4
As shown in fig. 7 and 8, the utility model relates to a composite material composite column using a pultrusion section as a core material, which comprises a pultrusion section 1, a composite material fiber web 2 and a composite material surface layer 3. The pultrusion section bar 1 is a glass fiber pultrusion trapezoid tube, the height of the trapezoid tube is 400mm, the lower edge of the trapezoid tube is 100mm, the bottom angle is 70 degrees, the two waists of the trapezoid tube are equal, the wall thickness of the trapezoid tube is 5mm, and the composite material fiber web plate 2 is epoxy resin filled single-layer biaxial glass fiber cloth 8. The connecting and combining section of the pultruded profile 1 is circular, the adjacent pultruded profiles 1 are connected through a composite material fiber web 2, and the composite material surface layer 3 is six layers of four-axial glass fiber cloth filled with epoxy resin and respectively wraps the inner surface and the outer surface of the combined member.
Example 5
As shown in fig. 9 and 10, the present invention relates to a composite material composite column using a pultrusion section as a core material, which is composed of a pultrusion section 1, a composite material fiber web 2 and a composite material surface layer 3. The pultruded profile 1 is a glass fiber pultruded three-cavity rectangular tube, the three-cavity rectangular tube has the height of 600mm, the length of 300mm, the width of 100mm and the wall thickness of 10mm, and the composite material fiber web 2 is single-layer biaxial glass fiber cloth filled with epoxy resin. The connecting and combining section of the pultruded profile 1 is a hollow rectangle, the adjacent pultruded profiles 1 are connected through a composite material fiber web 2, and the composite material surface layer 3 is six layers of four-axial glass fiber cloth filled with epoxy resin and respectively wraps the inner surface and the outer surface of the combined member.
Example 6
As shown in fig. 11 and 12, the present invention relates to a composite material composite column using a pultrusion section as a core material, which is composed of a pultrusion section 1, a composite material fiber web 2 and a composite material surface layer 3. The pultrusion section bar 1 is a glass fiber pultrusion rectangular tube, the height of the rectangular tube is 400mm, the side length is 100mm, the wall thickness is 5mm, the filler 4 in the pultrusion section bar is self-compacting concrete, and the composite material fiber web plate 2 is epoxy resin filled double-layer four-axial glass fiber cloth. The connecting combined section of the pultruded profile 1 is rectangular, the adjacent pultruded profiles 1 are connected through a composite material fiber web 2, and the composite material surface layer 3 is four layers of quadriaxial glass fiber cloth filled with epoxy resin.
Example 7
As shown in fig. 13 and 14, the present invention relates to a composite material composite column using a pultrusion section as a core material, which is composed of a pultrusion section 1, a composite material fiber web 2 and a composite material surface layer 3. The pultrusion section bar 1 is a glass fiber pultrusion ladder-shaped tube, the height of the ladder-shaped tube is 400mm, the lower edge of the ladder-shaped tube is 100mm, the bottom angle is 70 degrees, the two waists of the ladder-shaped tube are equal, the wall thickness of the ladder-shaped tube is 5mm, the filler 4 in the pultrusion section bar 1 is foam, and the composite material fiber web 2 is epoxy resin filled single-layer biaxial glass fiber cloth. The connecting and combining section of the pultruded profile 1 is circular, the filler 5 in the circular ring is self-compacting concrete, the pultruded profile 1 is connected with the adjacent composite material fiber web 2, and the composite material surface layer 3 is six layers of four-axial glass fiber cloth filled with epoxy resin and respectively wraps the inner surface and the outer surface of the combined member.
As shown in fig. 1 to 19, the preparation process of the composite column using the pultruded profile as the core material in the above example is as follows:
a. firstly, a pultrusion profile 1 is manufactured. In a factory, a section mould of a pultruded profile 1 is firstly manufactured, and then a base material (unsaturated polyester, epoxy resin or phenolic resin), a reinforcing material (continuous glass fiber, stitch-bonded felt, composite felt, continuous felt, nylon felt, polyester surface felt and composite surface felt) and an auxiliary material (a release agent, a curing agent, a low-shrinkage additive and a filler) are manufactured into the pultruded profile 1 through a pultruder and the mould.
b. Assembling the composite material lattice column. Sealing the pultruded profile 1 manufactured and molded in the previous step by adhering a sealing sheet 6 or a cap 7, wrapping a single-layer or multi-layer composite material fiber cloth 8 (carbon fiber, glass fiber, basalt fiber, aramid fiber or hybrid fiber) along the cross section direction, and wrapping a single-layer or multi-layer fiber cloth 9 (carbon fiber, glass fiber, basalt fiber, aramid fiber or hybrid fiber) along the whole surface of the combined member after the required cross section is formed.
c. Wherein step b can also be replaced by this step. Filling the formed pultruded profile 1 manufactured in the previous step with a filler 4, wrapping composite material fiber cloth 8 (carbon fiber, glass fiber, basalt fiber, aramid fiber or hybrid fiber) along the cross section direction, and wrapping a single-layer or multi-layer fiber cloth 9 (carbon fiber, glass fiber, basalt fiber, aramid fiber or hybrid fiber) along the surface of the combined member after forming the required cross section.
d. And (4) integral molding. A vacuum leading-in process is adopted, devices such as a flow guide pipe, demolding cloth, a cover plate and the like are paved and then sealed by using a vacuum bag, and resin (unsaturated polyester, vinyl resin, epoxy resin or phenolic resin) is filled into the vacuum bag to form a composite material fiber web 2 and a composite material surface layer 3.
e. After the resin is cured and molded, the member is removed, the end is cut off or the cap is removed, and the cavity is filled with filler 4 or filler 5.
In the manufacturing and installing process: the structural form and size, the fiber type, the resin type, the content, the laying form and the forming section shape of the pultruded profile 1, the composite fiber web 2 and the composite surface layer 3 can be flexibly adjusted according to the requirement.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art and are intended to be within the scope of the present principles and the spirit of the invention.
Claims (2)
1. The utility model provides an use combined material post of pultrusion as core which characterized in that: the composite material fiber web comprises a pultrusion profile, a composite material fiber web and a composite material surface layer;
the composite material composite column is characterized in that the pultruded profile is used as a core material of the composite material composite column, the pultruded profile is wrapped with fiber cloth along the cross section direction and combined to form a composite member, the fiber cloth and resin are mixed to form a composite material fiber web, the fiber cloth is single-layer, double-layer or multi-layer, and the pultruded profile is single-cavity type or multi-cavity type and is triangular, rectangular, trapezoidal or arc-shaped; the section of the pultrusion profile is a polygonal section, a circular section or a hollow section; filling the hollow section with foam, wood or concrete to form a solid profile;
and the composite material surface layer is wrapped and bonded along the surface of the combined member.
2. The composite material combination column taking the pultruded profile as the core material according to claim 1, wherein: concrete is filled in the hollow section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020266972.6U CN211917773U (en) | 2020-03-06 | 2020-03-06 | Composite material combined column with pultruded profile as core material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020266972.6U CN211917773U (en) | 2020-03-06 | 2020-03-06 | Composite material combined column with pultruded profile as core material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211917773U true CN211917773U (en) | 2020-11-13 |
Family
ID=73346503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020266972.6U Active CN211917773U (en) | 2020-03-06 | 2020-03-06 | Composite material combined column with pultruded profile as core material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211917773U (en) |
-
2020
- 2020-03-06 CN CN202020266972.6U patent/CN211917773U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111186150A (en) | Composite material combined column with pultruded profile as core material | |
| CN103072284B (en) | A kind of sandwich structure composite material and manufacture method thereof containing strengthening muscle | |
| CN101804714B (en) | Composite material member with surface functional layer and RTM preparation method thereof | |
| CN104401011B (en) | Sandwich structure composite material and preparation method thereof | |
| CN109501820B (en) | Composite material electric insulation box and manufacturing method thereof | |
| CN1303979A (en) | Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method | |
| KR20010102186A (en) | Frp structure body and production method therefor | |
| CN106626536A (en) | Reinforced composite material foam sandwich cylinder and preparation method thereof | |
| CN111231442A (en) | Large-size multi-axial composite material bearing plate taking pultruded profile as sandwich and preparation method thereof | |
| CN111893812A (en) | Multi-axial fiber-reinforced pultruded profile sandwich composite spandrel girder and preparation method thereof | |
| CN106313378A (en) | Method for preparing and using fiber-reinforced hat-shaped rib molding soft mold | |
| CN112677517A (en) | RTM (resin transfer molding) forming die and method for embedded metal nut composite material box | |
| KR100982241B1 (en) | Repairing method of steel pipe and concrete pile | |
| CN107795149A (en) | A kind of lattice enhanced type composite material foam core support column and preparation method thereof | |
| CN212021859U (en) | Large-size multi-axial composite material bearing plate taking pultruded profile as sandwich | |
| CN211917773U (en) | Composite material combined column with pultruded profile as core material | |
| CN103485570B (en) | Reinforced composite material shaft tower and preparation method thereof in a kind of | |
| CN106677362A (en) | Vented-box thermal insulation wallboard structure with built-in connecting bolts and construction method thereof | |
| KR20200052728A (en) | Reinforcing Method for Column using FRP and CRC board | |
| CN105690799A (en) | Preparation method of railway vehicle cowl prepared from carbon fiber reinforced resin matrix composite material | |
| CN207829512U (en) | A kind of lattice enhanced type composite material foam core support column | |
| CN111823616A (en) | Novel composite material formwork template and manufacturing process | |
| CN110410388A (en) | A kind of mating connection structure of reinforced composite material and metal material | |
| CN212375639U (en) | Multi-axial fiber-reinforced pultruded profile sandwich composite spandrel girder | |
| CN212803261U (en) | Connecting structure of aluminum alloy carbon fiber composite profile component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |