CN209011289U - 3D printing FRP concrete combined structure - Google Patents
3D printing FRP concrete combined structure Download PDFInfo
- Publication number
- CN209011289U CN209011289U CN201821218359.6U CN201821218359U CN209011289U CN 209011289 U CN209011289 U CN 209011289U CN 201821218359 U CN201821218359 U CN 201821218359U CN 209011289 U CN209011289 U CN 209011289U
- Authority
- CN
- China
- Prior art keywords
- frp
- printing
- box
- enhancing structure
- concrete
- 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.)
- Expired - Fee Related
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 96
- 230000002708 enhancing effect Effects 0.000 claims abstract description 71
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000007569 slipcasting Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 13
- 239000000835 fiber Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 5
- 239000004917 carbon fiber Substances 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000003365 glass fiber Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 229920006253 high performance fiber Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000007639 printing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 1
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 1
- 101710107464 Probable pyruvate, phosphate dikinase regulatory protein, chloroplastic Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model provides a kind of 3D printing FRP concrete combined structure comprising box FRP enhancing structure and 3D printing take shape in the 3D printing shell outside the box FRP enhancing structure, offer injected hole in the box FRP enhancing structure.FRP fibre reinforced composites are to mix the nonmetallic materials being combined by certain processing technology with resin matrix by the high performance fibers such as glass fibre or carbon fiber.It has that lightweight, high-strength, construction molding is convenient, the remarkable advantages such as corrosion-resistant.The 3D printing FRP concrete combined structure of the utility model is by the way that box FRP enhancing structure to be incorporated into 3D printing shell, the intensity of 3D printing concrete structure can effectively be enhanced, and it can use supporting surface of the box FRP enhancing structure as 3D printing, facilitate 3D printing, improves the style-ability of 3D printing concrete structure.
Description
Technical field
The utility model relates to 3D printing building field more particularly to a kind of 3D printing FRP concrete combined structures.
Background technique
3D printing is a kind of rapid shaping technique grown rapidly in recent years, and application range includes aerospace, manufacture
The fields such as industry, biomedicine, food, dress ornament, artistic creation, buildings model.With the improvement of existing 3D printing technique and novel
The research and development of 3D printing technique, large-scale 3D printing equipment come out in succession, and the printing of large scale product is promoted to be possibly realized, and bring and beat
It is printed as reducing rapidly for this.Therefore, 3D printing building comes into being.
3D printing technique constructs three-dimensional by way of successively printing, being layered superposition based on digital three-dimemsional model
Entity.It is divided into according to specific printing type difference and squeezes out accumulation molding, three-dimensional powder bonding molding (3DP), selective laser burning
Tie (SLS), fused glass pellet (FDM), stereolithography apparatus (SLA) etc..But all printing types are all based on layering and beat
It prints, stack molding principle.Therefore 3D printing product all has apparent layering lines, and interlaminar strength is compared to intensity in layer
Reduce it is more, have significant anisotropic properties.Therefore how to enhance the intensity of 3D printing structure, to improve monolithic architecture
The safety of object becomes the task of top priority.
Utility model content
Existed in the prior art or potential shortcoming in view of above-mentioned, the utility model provide a kind of simple process,
The significant 3D printing FRP concrete combined structure of quick construction, reinforcing effect.
To achieve the above object, the utility model provides a kind of 3D printing FRP concrete combined structure comprising box
FRP enhancing structure and 3D printing take shape in the 3D printing shell outside the box FRP enhancing structure, the box FRP enhancing
Injected hole is offered in structure.
Fibre reinforced composites (Fiber Reinforced Polymer, i.e. FRP) are by glass fibre or carbon fiber
Contour performance fibers mix the nonmetallic materials being combined by certain processing technology with resin matrix.It has lightweight,
It is high-strength, construction molding is convenient, the remarkable advantages such as corrosion-resistant.The 3D printing FRP concrete combined structure of the utility model pass through by
Box FRP enhancing structure is incorporated into 3D printing shell, can effectively enhance the intensity of 3D printing concrete structure, and can benefit
Box FRP enhancing structure is used as the supporting surface of 3D printing, facilitates 3D printing, improves the sizing energy of 3D printing concrete structure
Power.
In some embodiments of the utility model, core grouted concrete is marked with inside the box FRP enhancing structure.
In some embodiments of the utility model, the 3D printing FRP concrete combined structure is 3D printing FRP coagulation
Native combination beam, the 3D printing shell include beam bottom plate, beam side plate and back plate.
In some embodiments of the utility model, the box FRP enhancing structure include FRP bottom plate, FRP side plate and
FRP top plate, and the FRP bottom plate, FRP side plate and FRP top plate surround and internal formation slip casting space.
In some embodiments of the utility model, the injected hole is opened on the FRP top plate.
In some embodiments of the utility model, the injected hole is opened in the top of the box FRP enhancing structure.
In some embodiments of the utility model, the outer surface of the box FRP enhancing structure is equipped with concave convex texture.
In some embodiments of the utility model, the concave convex texture is the indentation in matrix arrangements.
In some embodiments of the utility model, the concave convex texture is in lattice-shaped.
In some embodiments of the utility model, the inner surface of the box FRP enhancing structure is equipped with the asperities
Road.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic diagram of the section structure of the 3D printing FRP concrete combined structure of the utility model embodiment.
Fig. 2 is the surface of box FRP enhancing structure in the 3D printing FRP concrete combined structure of the utility model embodiment
Structural schematic diagram.
Fig. 3~6 are each operating condition of the construction process of the 3D printing FRP concrete combined structure of the utility model embodiment
Structural schematic diagram.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
The common enhancing technology of 3D printing product includes the means such as waxdip, impregnation at present.These technologies can be in certain journey
The intensity for enhancing 3D printing product on degree meets not damaged basic demand during its transport and routine use, but for building
The intensity requirement of the load-carrying members such as building structure component is not able to satisfy still.Therefore significantly more efficient enhancing technology and side must be developed
Method.
Fibre reinforced composites (Fiber Reinforced Polymer, i.e. FRP) are by glass fibre or carbon fiber
Contour performance fibers mix the nonmetallic materials being combined by certain processing technology with resin matrix.It has lightweight,
It is high-strength, construction molding is convenient, the remarkable advantages such as corrosion-resistant.Fibre reinforced composites are used the utility model proposes a kind of
(FRP) new technology of 3D printing structure enhancing is carried out, i.e., it is mixed to carry out 3D on the model of fibre reinforced composites (FRP) production
Solidifying soil printing, is integrally formed 3D printing concrete structure.It is beaten in this way, on the one hand can use FRP enhancing structure effectively and enhance 3D
The intensity of concrete structure is printed, on the other hand, the supporting surface that can also be printed using FRP enhancing structure as 3D concrete, side
Just 3D concrete prints, and improves the style-ability of 3D printing concrete structure.
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Referring initially to shown in Fig. 1, a kind of 3D printing FRP concrete combined structure of the utility model embodiment is main
Including 12 two parts of box FRP enhancing structure 11 and 3D printing shell.3D printing shell 12 uses 3D printing technique straight forming
In the outer surface of box FRP enhancing structure 11, wherein by the package of box FRP enhancing structure 11, also, enhance with box FRP
Structure 11 is combined as a whole, and constitutes 3D printing FRP concrete combined structure.Further, in box FRP enhancing structure 11
Inside is perfused with core grouted concrete 13, also, has opened up injected hole 14 at the top of box FRP enhancing structure 11, fills core coagulation
Soil 13 is injected into the inside of box FRP enhancing structure 11 by the injected hole 14, so that box FRP enhancing structure 11,3D printing
Shell 12 and core grouted concrete 13 together constitute the 3D printing FRP concrete combined structure in the utility model implementation.
Box FRP enhancing structure 11 is using the production molding of FRP composite material, fibre reinforced composites (Fiber
Reinforced Polymer, i.e. FRP), existing CFRP, GFRP, AFRP, BFRP etc. are by fibrous material and basis material (tree
Rouge) mix according to a certain percentage after the high-performance profile material that is formed, light and hard, non-conductive, high mechanical strength is corrosion-resistant.?
The inside of 3D printing shell carries out structural strengthening, easy for construction, significant effect using box FRP enhancing structure 11.
In one embodiment of the utility model, 3D printing FRP concrete combined structure is 3D printing FRP coagulation local soil type
Close beam.Wherein, 3D printing shell 12 includes beam bottom plate 121, beam side plate 122 and back plate 123.Box FRP enhancing structure 11 is wrapped
FRP bottom plate 111, FRP side plate 112 and FRP top plate 113 are included, and the FRP bottom plate 111, FRP side plate 112 and FRP top plate 113 surround
And internal formation slip casting space, injected hole 14 are opened on FRP top plate 113, injected hole 14 is communicated with slip casting space, for passing through
Injected hole 14 injects core grouted concrete 13 into slip casting space.
Preferably, the surface of the box FRP enhancing structure 11 in the present embodiment is equipped with concave convex texture 15.As shown in Fig. 2, should
Concave convex texture 15 can be in the indentation of matrix arrangements, the concave convex texture 15 or in lattice-shaped arrangement.By in box
The surface setting concave convex texture 15 of FRP enhancing structure 11 can increase surface and the outside 3D printing of box FRP enhancing structure 11
The contact area of shell 12 (when the outer surface of box FRP enhancing structure is equipped with concave convex texture), the combination enhanced between the two are strong
Degree, it is ensured that box FRP enhancing structure 11 and 3D printing shell 12 condense integrally, anti-detachment；In addition, by increasing in box FRP
The surface setting concave convex texture of strong structure can increase surface and inside core grouted concrete (the box FRP of box FRP enhancing structure
The inner surface of enhancing structure be equipped with concave convex texture when) contact area, enhance bond strength between the two, it is ensured that box FRP
Enhancing structure and core grouted concrete condensation are integral, anti-detachment.To improve integrally formed 3D printing FRP Combined concrete knot
Cementitiousness between structure unlike material structure improves integral strength.
Cooperate shown in Fig. 1 and Fig. 3~6, the 3D printing FRP concrete combined structure in above-described embodiment is described below
Specific production method, key step includes:
Step 1: using the beam bottom plate 121 of 3D printing technique production 3D printing shell 12, as shown in Figure 3.
Step 2: in the installation box FRP enhancing structure 11 on the beam bottom plate 121 of production, box FRP enhancing structure 11 is in
Rectangle, inner hollow and form slip casting space, the FRP bottom plate 111 of box FRP enhancing structure 11 is fixed on the upper of beam bottom plate 121
The middle part on surface, the FRP top plate 113 of FRP enhancing structure 11 opens up injected hole 14, as shown in Figure 4.
Step 3: 3D printing shell 12 is successively printed in the outside of box FRP enhancing structure 11 using 3D printing technique
Beam side plate 122, the outer surface that beam side plate 122 is combined closely with the FRP side plate 112 of box FRP enhancing structure 11；In production beam side
While plate 122, the synchronous injected hole 14 by 11 top of box FRP enhancing structure is to inside box FRP enhancing structure 11
Core grouted concrete 13 is injected in slip casting space, core grouted concrete 13 is combined closely in the FRP side plate of box FRP enhancing structure 11
112 inner surface.Preferably, the printing for pouring height with external 3D printing shell 12 of the core grouted concrete 13 inside control
Height is consistent, or the balance for making the height relationships of the two meet power, and balance as far as possible is inside and outside to box FRP enhancing structure
11 pressure ensures that box FRP enhancing structure 11 is not pressurised deformation, even damages well.As shown in Figure 5.Certainly, box
The 3D printing shell 12 of the outside of FRP enhancing structure 11 and internal core grouted concrete 13 asynchronous can also make, above-mentioned use
The benefit of synchronous production is the external and internal pressure that can be balanced to box FRP enhancing structure 11.
Step 4: the beam side plate 122 to external 3D printing shell 12 completes, and internal core grouted concrete 13 pours
It completes, in the top of box FRP enhancing structure 11, i.e. the upper surface of its FRP top plate 113 makes 3D printing using 3D printing technique
The back plate 123 of shell 12, back plate 123 are combined closely with the upper surface of the FRP top plate 113 of box FRP enhancing structure 11 simultaneously
The injected hole 14 on FRP top plate 113 is closed, completes the production of 3D printing FRP concrete combined structure, as shown in Figure 6.
Wherein, concave convex texture is set in the outer surface of box FRP enhancing structure in advance, is enhanced using setting in box FRP
Concave convex texture on the outer surface of structure can increase surface and the outside 3D printing shell 12 of box FRP enhancing structure 11
Contact area enhances bond strength between the two, it is ensured that box FRP enhancing structure 11 and 3D printing shell 12 condense into one
Body, it is anti-detachment；
Concave convex texture is set in the inner surface of box FRP enhancing structure in advance, using box FRP enhancing structure is arranged in
Concave convex texture on inner surface can increase the inner surface of box FRP enhancing structure and the contact area of internal core grouted concrete,
The bond strength of enhancing between the two, it is ensured that box FRP enhancing structure and core grouted concrete condensation are integral, anti-detachment.
To improve the cementitiousness between integrally formed 3D printing FRP concrete combined structure unlike material structure,
Improve integral strength.
It is worth mentioning that: the 3D printing FRP concrete combined structure of the utility model is in addition to for 3D printing FRP concrete
Except combination beam, 3D printing FRP concrete combination column can also be, alternatively, inside 3D printing FRP concrete combined structure not
It can also be 3D printing FRP Combined concrete shell when injecting core grouted concrete.
The utility model 3D printing FRP concrete combined structure makes concrete structure structure using 3D printing technique first
Then carbon fibre material is attached to the structure of 3D printing technique production by the shell of part with carbon fiber technology by structure glue
On part shell.The technique is combined by building 3D printing technique and carbon fiber technology, realization increase print component intensity,
Beautify the effect of print component appearance.The tensile property for making full use of carbon fibre material simultaneously solves building 3D printing at present
The component enclosure problem lower because of interlayer tensile property that layer-by-layer printing technology generates, can further promote 3D printing structure structure
The stress performance and application range of part.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " in
Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
The above is only the preferred embodiment of the utility model, not does in any form to the utility model
Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with
Professional and technical personnel, in the range of not departing from technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of 3D printing FRP concrete combined structure, it is characterised in that: formed including box FRP enhancing structure and 3D printing
3D printing shell outside the box FRP enhancing structure offers injected hole in the box FRP enhancing structure.
2. 3D printing FRP concrete combined structure as described in claim 1, it is characterised in that: the box FRP enhancing structure
Inside is marked with core grouted concrete.
3. 3D printing FRP concrete combined structure as described in claim 1, it is characterised in that: the 3D printing FRP concrete
Composite structure is 3D printing FRP concrete combination beam, and the 3D printing shell includes beam bottom plate, beam side plate and back plate.
4. 3D printing FRP concrete combined structure as described in claim 1, it is characterised in that: the box FRP enhancing structure
Including FRP bottom plate, FRP side plate and FRP top plate, and the FRP bottom plate, FRP side plate and FRP top plate surround and internal formation slip casting
Space.
5. 3D printing FRP concrete combined structure as claimed in claim 4, it is characterised in that: the injected hole is opened in institute
It states on FRP top plate.
6. 3D printing FRP concrete combined structure as described in claim 1, it is characterised in that: the injected hole is opened in institute
State the top of box FRP enhancing structure.
7. 3D printing FRP concrete combined structure as described in claim 1, it is characterised in that: the box FRP enhancing structure
Outer surface be equipped with concave convex texture.
8. 3D printing FRP concrete combined structure as claimed in claim 7, it is characterised in that: the concave convex texture is in square
The indentation of battle array arrangement.
9. 3D printing FRP concrete combined structure as claimed in claim 7, it is characterised in that: the concave convex texture is in grid
Shape.
10. the 3D printing FRP concrete combined structure as described in any one of claim 7~9, it is characterised in that: the case
The inner surface of type FRP enhancing structure is equipped with the concave convex texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218359.6U CN209011289U (en) | 2018-07-31 | 2018-07-31 | 3D printing FRP concrete combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218359.6U CN209011289U (en) | 2018-07-31 | 2018-07-31 | 3D printing FRP concrete combined structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011289U true CN209011289U (en) | 2019-06-21 |
Family
ID=66830474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821218359.6U Expired - Fee Related CN209011289U (en) | 2018-07-31 | 2018-07-31 | 3D printing FRP concrete combined structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011289U (en) |
-
2018
- 2018-07-31 CN CN201821218359.6U patent/CN209011289U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101992566B (en) | The method of fiber reinforced plastic structure and producd fibers reinforced plastics structure | |
| CN101855396B (en) | A structural mat for reinforcing a wind turbine blade structure, a wind turbine blade and a method for manufacturing a wind turbine blade | |
| CN104129109B (en) | Unidirectional Fiber-reinforced Composite dot-matrix sandwich panel of a kind of integral reinforcing and preparation method thereof | |
| CN101758923B (en) | Composite material box-shaped rib and manufacturing method thereof | |
| CN105346070B (en) | Method for preparing pyramid-shaped composite three-dimensional lattice sandwich structure | |
| CN107521124A (en) | Carbon fiber dual platen reinforced structure part and its manufacture method | |
| CN106132696A (en) | Composite construction and manufacture method thereof | |
| CN101837664B (en) | Integrally-reinforced composite lattice coreboard and preparation method thereof | |
| CN107599445B (en) | A kind of composite material dot matrix structure and preparation method | |
| US20100196654A1 (en) | Process for producing composite laminate structures and composite laminate structures formed thereby | |
| CN105109066A (en) | Molding technology of single-ring closed type fiber reinforced resin base composite material stirrups | |
| CN205588655U (en) | Preimpregnation silk bundle combined material | |
| CN103538715A (en) | Composite material pi-type lug interface and integral co-curing forming method | |
| CN106739245A (en) | Electronic product casing and its manufacture method | |
| CN104626608B (en) | A kind of light-duty carbon fiber carrying box integral forming technique | |
| CN101837663B (en) | Locally-reinforced composite dot-matrix sandwich panel and preparation method thereof | |
| CN101348012B (en) | Opening reinforcement method and reinforcement sheet of fiber reinforcement resin composite material member | |
| CN209011289U (en) | 3D printing FRP concrete combined structure | |
| CN104924678A (en) | Composite honeycomb sandwich plate | |
| CN104527085A (en) | Composite multi-closed-chamber thick-walled box beam and integral moulding method | |
| CN104154405B (en) | A kind of carbon fibre composite thin-wall tubular structure of imitative bamboo structure | |
| CN109265915A (en) | The preparation method of carbon nanotube enhancing carbon fiber thermal thermosetting resin based composites | |
| CN208870187U (en) | 3D printing concrete carbon fiber construction | |
| CN203567307U (en) | Mixed enhancement mode sandwich panel | |
| CN201148018Y (en) | Fiberglass plastic and metallic material compound structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 |