CN115012587A - Net cage prepared based on FRP (fiber reinforced Plastic) and preparation method thereof - Google Patents
Net cage prepared based on FRP (fiber reinforced Plastic) and preparation method thereof Download PDFInfo
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- CN115012587A CN115012587A CN202210875070.6A CN202210875070A CN115012587A CN 115012587 A CN115012587 A CN 115012587A CN 202210875070 A CN202210875070 A CN 202210875070A CN 115012587 A CN115012587 A CN 115012587A
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- frp
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- 229920002430 Fibre-reinforced plastic Polymers 0.000 title description 131
- 239000011151 fibre-reinforced plastic Substances 0.000 title description 131
- 238000002360 preparation method Methods 0.000 title description 8
- 239000003292 glue Substances 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 26
- 239000004677 Nylon Substances 0.000 claims description 21
- 229920001778 nylon Polymers 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 13
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000005336 cracking Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a cylinder mould prepared based on FRP, which comprises 2 FRP net sheets and a plurality of FRP connecting sheets; the 2 FRP net sheets are symmetrically arranged, and the plurality of FRP connecting sheets are respectively and fixedly connected to the upper end and the lower end of the 2 FRP net sheets; the FRP net piece is formed by fixedly connecting a plurality of FRP transverse ribs and a plurality of FRP longitudinal ribs in a staggered manner; and the crossing part of each FRP transverse rib and each FRP longitudinal rib is bonded and connected by bonding glue or fixedly connected by a binding piece. The net cage prepared based on the FRP material avoids the corrosion phenomenon of the steel bar net cage, and efficiently improves the safety of the wallboard; the FRP mesh cage also has the characteristics of light weight, high strength, small heat conductivity coefficient and expansion coefficient similar to that of concrete. The manufactured wallboard is lighter, is convenient to install, has no hidden trouble of wallboard cracking caused by mesh cage corrosion, and completely meets the use requirement of an outer wall.
Description
Technical Field
The invention relates to the technical field of building assembly and heat preservation, in particular to a net cage prepared based on FRP (fiber reinforced plastic) and a preparation method thereof.
Background
With the development of building technology, the shortage of building manpower and the increasing requirements for heat preservation and energy conservation, the modern buildings are developed towards the direction of assembly, and the outer walls are necessarily developed towards light weight. At present, a large number of assembled walls use autoclaved aerated concrete wallboards, but the aerated concrete wallboards have some important defects, especially when being applied to external walls, because the strength of the walls is not high, the walls have certain use risks when being applied to the external walls, and are not beneficial to earthquake resistance and deformation of buildings; although some wall boards use steel bar net cages as stressed members at present; but because the aerated concrete belongs to porous materials, the aerated concrete has strong water absorption and can cause the corrosion of reinforcing steel bars, and the corrosion of the reinforcing steel bars can cause the delamination and cracking of the wall board, thereby forming a great potential safety hazard; moreover, because the expansion coefficients of the steel bars and the precast concrete of the wallboard are different, the steam curing manufacturing process is easy to crack, and the safety coefficient is relatively low; meanwhile, the use of the steel reinforcement mesh cage anticorrosive paint not only increases the cost, but also causes environmental pollution, and a large amount of welding is needed when the steel reinforcement mesh cage is manufactured, so that the resources are wasted, and the cost is increased greatly. Therefore, it is one of the problems that needs to be solved to provide a netpen structure that has light volume weight and low thermal conductivity, can prevent corrosion, and can replace steel bars as stress members.
Disclosure of Invention
In view of the above, the present invention provides a net cage prepared based on FRP and a preparation method thereof, and aims to solve the above-mentioned disadvantages.
In order to solve the technical problems, the invention adopts the following technical scheme:
a net cage prepared based on FRP comprises 2 FRP net sheets and a plurality of FRP connecting sheets; the 2 FRP net sheets are symmetrically arranged, and the plurality of FRP connecting sheets are respectively and fixedly connected to the upper end and the lower end of the 2 FRP net sheets;
the FRP net piece is formed by fixedly connecting a plurality of FRP transverse ribs and a plurality of FRP longitudinal ribs in a staggered manner; and each FRP transverse bar is connected with each FRP longitudinal bar by adopting bonding glue in a bonding way, or is fixedly connected by adopting a binding piece, or is fixed by adopting the bonding glue and the binding piece;
and a skewing hole is reserved in the middle of each FRP connecting piece.
Preferably, two end parts of each FRP connecting sheet are provided with a placing groove matched with the FRP transverse rib; the FRP connecting sheets are fixedly connected to the upper end and the lower end of the 2 FRP net sheets through the matching of the placing grooves and the FRP transverse ribs.
Preferably, the fitting position of the placing groove and the FRP transverse rib is bonded and connected by using bonding glue, or is fixedly connected by using a binding piece, or is fixed by using the bonding glue and the binding piece.
Preferably, A, B resin glue is used as the bonding glue.
Preferably, the binding piece is made of nylon silk thread.
Preferably, the steel wire rope also comprises a plurality of FRP short ribs; each FRP short rib is vertically arranged among the 2 FRP net sheets; or, the FRP net pieces are obliquely and crossly arranged among the 2 FRP net pieces.
Preferably, the invention also provides a preparation method of the net cage based on FRP preparation, which comprises the following steps:
step 1), preparing a plurality of FRP transverse ribs, a plurality of FRP longitudinal ribs, a plurality of FRP connecting sheets and a plurality of FRP short ribs according to design requirements;
step 2), arranging a plurality of FRP transverse ribs and a plurality of FRP longitudinal ribs in a staggered manner, then injecting A, B resin adhesive into intersections of the FRP transverse ribs and the FRP longitudinal ribs, pressing the FRP transverse ribs and the FRP longitudinal ribs after the resin adhesive is injected, and preparing an FRP mesh after the resin adhesive is quickly condensed;
or binding and locking the intersection of the FRP transverse ribs and the FRP longitudinal ribs by using nylon wires at the intersection of the FRP transverse ribs and the FRP longitudinal ribs, and fixedly connecting the FRP transverse ribs and the FRP longitudinal ribs to form an FRP mesh;
or, the crossing part of the FRP transverse bar and the FRP longitudinal bar is bound and locked by nylon thread, and A, B resin glue is injected into the connecting part, so that the FRP net piece is formed by reinforced fixed connection;
step 3), horizontally placing the 2 FRP net sheets prepared in the step 2) along the height direction, buckling a plurality of FRP connecting sheets on the FRP transverse ribs at the upper and lower ends of the 2 FRP net sheets through a placing groove, and injecting A, B resin glue at the contact positions of the placing groove and the FRP transverse ribs for bonding or binding and locking by using nylon threads;
and 4) fixing a plurality of FRP short ribs among the 2 FRP mesh sheets through A, B resin adhesives or nylon threads to obtain the FEP mesh cage.
Compared with the prior art, the invention has the following technical effects:
the net cage prepared based on the FRP material avoids the corrosion phenomenon of a steel bar net cage, efficiently improves the safety and the economy of a wallboard, does not need welding, and saves a large amount of energy consumption; the special antirust coating for the aerated concrete is not used, the problem of environmental pollution of the aerated concrete wallboard is thoroughly solved, the economic benefit and the social benefit are very high, and the preservative is not used, so that the production is more environment-friendly; the FRP mesh cage has the characteristics of light weight, higher tensile strength than that of reinforcing steel bars, small heat conductivity coefficient and similar expansion coefficient of FRP ribs to that of concrete, and solves the problem of cracking of the wallboard caused by the difference of the expansion coefficients of the reinforcing steel bars and the aerated concrete in a steam curing manufacturing stage; and the wall board made of the FRP mesh cage has the advantages of light weight, convenient installation, no mesh cage corrosion risk, no hidden danger of cracking of the wall board, and capability of completely meeting the use requirement of the outer wall.
Drawings
FIG. 1 is a schematic structural view of a net cage prepared based on FRP according to the present invention;
FIG. 2 is a schematic structural view of an FRP connecting sheet of a netpen prepared based on FRP according to the present invention;
in the figure: 1. FRP mesh sheets; 11. FRP transverse ribs; 12. FRP longitudinal ribs; 2. FRP connecting sheets; 21. inserting holes; 22. a placement groove; 3. FRP short ribs.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the net cage prepared based on FRP comprises 2 FRP mesh sheets 1, a plurality of FRP connecting sheets 2 and a plurality of FRP short ribs 3; (ii) a The 2 FRP net sheets 1 are symmetrically arranged, and the plurality of FRP connecting sheets 2 are respectively and fixedly connected to the upper end and the lower end of the 2 FRP net sheets 1; the FRP net piece 1 is formed by fixedly connecting a plurality of FRP transverse ribs 11 and a plurality of FRP longitudinal ribs 12 in a staggered manner; and each FRP transverse bar 11 is connected with each FRP longitudinal bar 12 by adopting A, B resin adhesive at the crossing position, or is fixedly connected by adopting nylon silk thread, or is fixed by adopting A, B resin adhesive and nylon silk thread at the same time; a skewing hole 21 is reserved in the middle of each FRP connecting piece 2; each FRP short rib 3 is vertically arranged among the 2 FRP net sheets 1; or, the FRP net pieces are obliquely and crossly arranged among the 2 FRP net pieces 1.
In this embodiment, two end portions of each FRP connecting piece 2 are provided with a placing groove 22 matched with the FRP transverse rib 11; the FRP connecting sheets 2 are fixedly connected to the upper end and the lower end of the 2 FRP net sheets 1 through the matching of the placing grooves 22 and the FRP transverse ribs 11.
In this embodiment, the fitting position of the placing groove 22 and the FRP transverse rib 11 is bonded by A, B resin adhesive, or is fixedly connected by nylon thread, or is fixed by A, B resin adhesive and nylon thread.
As a preferable or optional mode of this embodiment, the number of the FRP transverse ribs 11, the FRP longitudinal ribs 12, the FRP connecting pieces 2, and the FRP short ribs 3 and the connection mode therebetween may be adjusted accordingly according to actual needs.
In other embodiments, the FRP connecting sheet may also be made of metal or plastic.
In other embodiments, the FRP short ribs may not be set according to actual requirements.
In other embodiments, A, B resin glue can also be selected from A resin glue and B curing agent, so that the setting time can be adjusted.
In other embodiments, A, B resin glue can also be selected from prepared adhesive glue, so as to solve the problem of non-uniform proportioning of A, B glue.
In other embodiments, the nylon wire may be replaced with a metal wire such as a nylon tie or other fiber tie or galvanized iron wire.
Example 2
The invention also provides a preparation method of the net cage based on FRP preparation, which comprises the following steps:
step 1), preparing a plurality of FRP transverse ribs 11, a plurality of FRP longitudinal ribs 12, a plurality of FRP connecting sheets 2 and a plurality of FRP short ribs 3 according to design requirements;
step 2), a plurality of FRP transverse ribs 11 and a plurality of FRP longitudinal ribs 12 are arranged in a staggered mode, A, B resin glue is injected into the intersection of the FRP transverse ribs 11 and the FRP longitudinal ribs 12, the FRP transverse ribs 11 and the FRP longitudinal ribs 12 are pressed tightly after glue injection, and an FRP mesh 1 is prepared after the resin glue is quickly condensed;
or, at the crossing of the FRP transverse rib 11 and the FRP longitudinal rib 12, the crossing of the FRP transverse rib 11 and the FRP longitudinal rib 12 is bound and locked by using a nylon yarn, and the FRP net piece 1 is fixedly connected by the nylon yarn;
or, the crossing part of the FRP transverse rib 11 and the FRP longitudinal rib 12 is bound and locked by nylon threads, and A, B resin glue is injected into the connecting part, so that the FRP net piece 1 is formed by reinforced fixed connection;
step 3), horizontally placing the 2 FRP net sheets 1 prepared in the step 2) along the height direction, buckling a plurality of FRP connecting sheets 2 on the FRP transverse ribs 11 at the upper and lower ends of the 2 FRP net sheets 1 through a placing groove 22, and injecting A, B resin glue at the contact positions of the placing groove 22 and the FRP transverse ribs 11 for bonding, or binding and locking by using nylon threads;
and 4) fixing a plurality of FRP short ribs 3 among the 2 FRP mesh sheets 1 through A, B resin glue or nylon threads to obtain the FEP cage.
The net cage prepared based on the FRP material avoids the corrosion phenomenon of a steel bar net cage, efficiently improves the safety and the economy of a wallboard, does not need welding, and saves a large amount of energy consumption; the special antirust coating for the aerated concrete is not used, the problem of environmental pollution of the aerated concrete wallboard is thoroughly solved, the economic benefit and the social benefit are very high, and the preservative is not used, so that the production is more environment-friendly; the FRP mesh cage has the characteristics of light weight, higher tensile strength than that of reinforcing steel bars, small heat conductivity coefficient and similar expansion coefficient of FRP ribs to that of concrete, and solves the problem of cracking of the wallboard caused by the difference of the expansion coefficients of the reinforcing steel bars and the aerated concrete in a steam curing manufacturing stage; and the wall board made of the FRP mesh cage has the advantages of light weight, convenient installation, no mesh cage corrosion risk, no hidden danger of cracking of the wall board, and capability of completely meeting the use requirement of the outer wall.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. A net cage prepared based on FRP is characterized by comprising 2 FRP net sheets (1) and a plurality of FRP connecting sheets (2); the 2 FRP net sheets (1) are symmetrically arranged, and the plurality of FRP connecting sheets (2) are respectively and fixedly connected to the upper end and the lower end of the 2 FRP net sheets (1);
the FRP net piece (1) is formed by fixedly connecting a plurality of FRP transverse ribs (11) and a plurality of FRP longitudinal ribs (12) in a staggered manner; and each FRP transverse bar (11) is connected with the cross part of each FRP longitudinal bar (12) by adopting bonding glue, or is fixedly connected by adopting a binding piece, or is fixed by adopting the bonding glue and the binding piece;
a skewing hole (21) is reserved in the middle of each FRP connecting piece (2).
2. The net cage made of FRP as claimed in claim 1, wherein both ends of each FRP connecting sheet (2) are provided with a placing groove (22) matched with the FRP transverse rib (11); the FRP connecting sheets (2) are fixedly connected to the upper ends and the lower ends of the FRP net sheets (1) through the matching of the placing grooves (22) and the FRP transverse ribs (11).
3. The FRP-based netpen according to claim 2, wherein the matching part of the placing groove (22) and the FRP transverse bar (11) is bonded and connected by using bonding glue, or fixedly connected by using a binding piece, or fixed by using both bonding glue and the binding piece.
4. The FRP-based netpen prepared according to the claim 3, wherein the adhesive glue is A, B resin glue.
5. The FRP-based netpen according to claim 3, wherein the binding members are nylon threads.
6. The FRP-based netpen according to claim 1, further comprising a plurality of FRP short ribs (3); each FRP short rib (3) is vertically arranged among the 2 FRP meshes (1); or the FRP net pieces are obliquely and crossly arranged among the 2 FRP net pieces (1).
7. A method for preparing a netpen based on FRP prepared as claimed in any of claims 1 to 6, comprising the steps of:
step 1), preparing a plurality of FRP transverse ribs (11), a plurality of FRP longitudinal ribs (12), a plurality of FRP connecting sheets (2) and a plurality of FRP short ribs (3) according to design requirements;
step 2), arranging a plurality of FRP transverse ribs (11) and a plurality of FRP longitudinal ribs (12) in a staggered manner, then injecting A, B resin adhesive into the intersections of the FRP transverse ribs (11) and the FRP longitudinal ribs (12), pressing the FRP transverse ribs (11) and the FRP longitudinal ribs (12) after the resin adhesive is injected, and obtaining an FRP mesh (1) after the resin adhesive is quickly condensed;
or binding and locking the intersection of the FRP transverse rib (11) and the FRP longitudinal rib (12) by using a nylon wire at the intersection of the FRP transverse rib (11) and the FRP longitudinal rib (12), and fixedly connecting the FRP transverse rib and the FRP longitudinal rib to form an FRP mesh (1);
or, the crossing part of the FRP transverse rib (11) and the FRP longitudinal rib (12) is bound and locked by nylon threads, and A, B resin glue is injected into the connecting part, so that the FRP net piece (1) is formed by reinforced fixed connection;
step 3), horizontally placing the 2 FRP net sheets (1) prepared in the step 2) along the height direction, buckling a plurality of FRP connecting sheets (2) on the FRP transverse ribs (11) at the upper end and the lower end of the 2 FRP net sheets (1) through a placing groove (22), and injecting A, B resin glue at the contact positions of the placing groove (22) and the FRP transverse ribs (11) for bonding or binding and locking by using nylon threads;
and step 4), fixing a plurality of FRP short ribs among the 2 FRP mesh sheets (1) through A, B resin glue or nylon threads to obtain the FEP cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210875070.6A CN115012587A (en) | 2022-07-25 | 2022-07-25 | Net cage prepared based on FRP (fiber reinforced Plastic) and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210875070.6A CN115012587A (en) | 2022-07-25 | 2022-07-25 | Net cage prepared based on FRP (fiber reinforced Plastic) and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115012587A true CN115012587A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210875070.6A Pending CN115012587A (en) | 2022-07-25 | 2022-07-25 | Net cage prepared based on FRP (fiber reinforced Plastic) and preparation method thereof |
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| Country | Link |
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| CN (1) | CN115012587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385645A (en) * | 2022-09-19 | 2022-11-25 | 安徽省高迪循环经济产业园股份有限公司 | High-performance autoclaved aerated concrete plate, preparation method thereof and building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115385645A (en) * | 2022-09-19 | 2022-11-25 | 安徽省高迪循环经济产业园股份有限公司 | High-performance autoclaved aerated concrete plate, preparation method thereof and building |
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