CN203808347U - Fiber reinforce plastic (FRP) aerated concrete composite panel - Google Patents
Fiber reinforce plastic (FRP) aerated concrete composite panel Download PDFInfo
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- CN203808347U CN203808347U CN201420178839.XU CN201420178839U CN203808347U CN 203808347 U CN203808347 U CN 203808347U CN 201420178839 U CN201420178839 U CN 201420178839U CN 203808347 U CN203808347 U CN 203808347U
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- aerated concrete
- cloth
- composite panel
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Abstract
The utility model discloses a fiber reinforce plastic (FRP) aerated concrete composite panel, comprising an aerated concrete plate core, wherein the external surface of the aerated concrete plate core is wrapped with an FRP fiber cloth; the FRP fiber cloth passes through infiltrating resin, and is solidified and is tightly attached to the aerated concrete plate core. The FRP aerated concrete composite panel provided by the utility model has the advantages that the composite panel product has smooth double sides, is free of a release agent, small in demolding post-processing workload, short in molding cycle and high in efficiency, adopts few raw materials and has low energy consumption; the technology is a close-mold molding process, volatilization of toxic gas styrene is reduced, environmental pollution is alleviated, physical health is facilitated, the dosage of the resin is controlled, and the FRP aerated concrete composite panel is applicable to mass production.
Description
Technical field
The utility model relates to constructional materials design field, is specifically related to FRP gas concrete composite plate.
Background technology
China's Development of High-rise Buildings is quick, its constructional materials adopts arrangement of reinforcement aerated concrete panel mostly, but, in traditional arrangement of reinforcement aerated concrete panel, reinforcing bar is less to aerating plate the shear contribution, thus traditional arrangement of reinforcement aerating plate can only rely on and improve thickness and ensure the shear resistance of aerating plate, still, thickening of body of wall also brought a lot of problems, such as having reduced indoor effective area, having brought inconvenience etc. to construction transport.
Not high and need to improve the mode of its thickness based on the above-mentioned intensity due to arrangement of reinforcement aerated concrete panel, use and brought problems to us, and China is high-rise and the fast development of super highrise building, be now badly in need of a kind of lightweight, high-strength, environmental protection, energy-conservation New Building Materials.
Utility model content
Technical problem to be solved in the utility model is to solve the not high problem of traditional arrangement of reinforcement gas concrete precast plate intensity.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is to provide a kind of FRP gas concrete composite plate, comprise aerated concrete panel core, described aerated concrete panel core outer surface is wrapped in FRP cloth, and described FRP cloth fits tightly by infiltrating resin and solidifying with described aerated concrete panel core.
In such scheme, the strength grade of described aerated concrete panel core is A3.5, and severe grade is B04.
In such scheme, on the external surface of described aerated concrete panel core, be provided with the groove of being convenient to resin flows, be also provided with several be convenient to described aerated concrete panel core contact with described FRP cloth paste through hole.
In such scheme, described FRP cloth adopts glass fabric or carbon cloth.
FRP composite material strength is high, member is thin and light, can original structure (aerated concrete panel core) is not almost had in influential situation greatly improve be reinforced member bending resistance, cut, turn round, draw bearing capacity and anti-seismic performance, the ductility of reinforcement and intensity, improve the stress performance of member.Meanwhile, cloth quality is soft, can be manually wrapped in aerated concrete panel wicking surface and without use large-scale instrument, do not need yet welding, noise and dust are minimum; Easy construction is saved trouble, and reduces cost of transportation, and can also suppress carbonation of concrete with the cloth aerated concrete panel core of wrapping, and improves the durability of member.
FRP gas concrete composite plate preparation technology of the present utility model is simple, does not need a large amount of skilled labors, thereby greatly reduces cost of labor and fabrication cycle, thereby advance being widely used of new composite plate.
The FRP gas concrete composite plate that the utility model provides is a kind of existing higher bending stiffness and the intensity that the aerated concrete panel core of the FRP cloth of being wrapped up by skin and internal layer is combined into, quality very light combining structure again.It is the tensile stress producing in order to bear moment of flexure that FRP cloth is placed on outermost layer., and lightweight aerated concrete plate core can bear shearing and pressure etc.Meanwhile, FRP gas concrete composite plate heat-insulating property meets national standard, do not need additionally to paste heat insulating material, and fire resistance is good again.Also solved traditional aerated concrete panel core intensity low, the easy corrosion of reinforcing bar and in transit corner angle are easily knocked the defects such as bad.
The utility model adopts FRP cloth to substitute traditional reinforcing bar, under the essentially identical prerequisite of total cost, has reduced by 1/2 left and right than traditional gas concrete arrangement of reinforcement plate thickness.And, according to lot of experiments and engineering practice, the traditional AAC gas concrete arrangement of reinforcement plate intensity of aerated concrete panel core compressive strength rate of FRP parcel improves 70% left and right, in addition, shear resistance is the corresponding larger raising that obtains 300% left and right also, and bending resistance obtains the raising of 25%～50% left and right.
To sum up can obtain, the moulding of FRP gas concrete composite plate has the following advantages:
1) composite plate goods are two-sided smooth, and without release agent, and demoulding post processing workload is few;
2) molding cycle is short, and efficiency is high, and raw material and energy consumption are few;
3) technique is closed moulding, has reduced the cinnamic volatilization of toxic gas, has reduced environment pollution, is conducive to healthy;
4) be convenient to control the consumption of resin;
5) be applicable to producing in enormous quantities.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model while preparing FRP gas concrete composite plate;
Fig. 2 is the top view of the utility model while preparing FRP gas concrete composite plate;
Fig. 3 is the stereogram of the FRP gas concrete composite plate in the utility model;
Fig. 4 is the structural representation of the FRP gas concrete composite plate cross section in the utility model;
Fig. 5 is the structural representation of A portion in the utility model Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 3 to Figure 4, the utility model provides a kind of FRP gas concrete composite plate, comprise aerated concrete panel core 1, aerated concrete panel core outer surface is wrapped in FRP cloth 2, and FRP cloth 2 fits tightly by infiltrating resin and solidifying with aerated concrete panel core 1 sandwich layer.
The strength grade of aerated concrete panel core 1 is A3.5, and severe grade is B04.On the external surface of aerated concrete panel core 1, be provided with groove, be also provided with several through holes.In order to ensure the better mobility of resin and better to contact bonding with FRP cloth.
FRP cloth 2 adopts glass fabric or carbon cloth, specifically refers to following two kinds of embodiment:
Embodiment 1, while adopting glass fabric, its thickness adopts 250mm specification, modulus of elasticity >=35000Mpa, limiting strain is 0.012mm.Meanwhile, when step 2 is laid aspect, first glass fabric reinforcing material rectangular dimension and thickness is in accordance with regulations cut and is laid in template, the glass fabric here is only laid i.e. 0 ° of direction (single shaft is to the cloth) laying of one deck.The composite plate that employing glass fabric obtains and traditional arrangement of reinforcement aerated concrete panel core are under the equal prerequisite of ultimate bending moment, and novel composite plate thickness can reduce half left and right, and its total price or the half of traditional arrangement of reinforcement aerating plate left and right;
Embodiment 2: adopt the carbon cloth that specification is 200g, its thickness is 0.111mm, tensile strength >=3400Mpa, modulus of elasticity >=240Gpa., when step 2 is laid aspect, first carbon cloth rectangular dimension and thickness is in accordance with regulations laid in template, the two-layer cloth of laying is arranged (twin shaft is to cloth) according to the direction of 0 ° and 90 ° meanwhile.In the time laying, first floor carbon cloth is fixed in surperficial glue spraying after laying, and then lays second layer carbon cloth.The composite plate that adopts carbon cloth to obtain, composite plate novel under equality strength condition reduces half than traditional arrangement of reinforcement plate thickness, and total cost also reduces accordingly.
Prepare the method for FRP gas concrete composite plate, as shown in Figures 1 to 5, the method comprises the following steps,
Step 1: make central layer.
Make gas concrete plate prefabricated member as gas concrete central layer;
Step 2: lay integument on the external surface of aerated concrete panel core 1.
The concrete practice is: first with acetone by clean the cleaning of outer surface of the aerated concrete panel core 1 of making; Then successively by FRP cloth 2, release cloth 3 and flow-guiding screen 4 from-inner-to-outers wrap up on the external surface that is laid on aerated concrete panel core 1, flow-guiding screen 4 is the net structure of many hollow section compositions, on the external surface of hollow section, be laid with multiple for overflowing the pod apertures of resin, flow-guiding screen 4 is provided with mozzle 5, and mozzle 5 is communicated with flow-guiding screen 4; Finally by aerated concrete panel core 1, FRP cloth 2, release cloth 3 and flow-guiding screen 4 integral assemblings in the vacuum bag 6 of left and right open at both ends, the left and right two ends of vacuum bag now keep open state.
Step 3: the interior extracting vacuum of vacuum bag 6.
The opening at vacuum bag 6 two ends, left and right is sealed with fluid sealant 7, meanwhile, the feed pipe 8 that is arranged on vacuum bag one end is clamped to sealing, the extract opening 9 that is arranged on the vacuum bag other end is connected with vacuum pump, vacuum bag is vacuumized; In this step, while laying vacuum bag 6, be very careful, in order to avoid some sharp-pointed article puncture vacuum bag.
Step 4: resin and curing compound are mixed and stirred according to the ratio of certain 1:1.
Step 5: feed pipe is opened and put into the resin cartridge that holds deployed resin, owing to forming vacuum in vacuum bag, form a negative pressure, the suction that utilizes vacuum to produce sucks resin in vacuum bag by feed pipe, and import in flow-guiding screen by mozzle, spread to surrounding by flow-guiding screen again, thereby ensure FRP cloth complete wetting resin; In this step, the method is more saved than traditional hand is stuck with paste technique, and accurately budget makes resin consume reach minimum, the more important thing is saving cost.But the supply of resin needs manual operation, therefore should not carry out this operation when rainy day or moisture are larger.Meanwhile, in injecting, should be noted that resin demand, insufficient time, can supplement in time.
If cloth does not have complete wetting, easily produce the defects such as hole and dry spot in interface, the performance of composite element is had a significant impact.
Step 6: curing molding.
The overall structure of aerated concrete panel core 1, FRP cloth 2, release cloth 3, flow-guiding screen 4 and vacuum bag 6 after using dryer to FRP cloth complete wetting resin in step 5 heats, accelerate to infiltrate the hardening of resin in FRP cloth and between FRP cloth and aerated concrete panel core, ensure fitting tightly of FRP cloth and aerated concrete panel core;
Step 7: the demoulding.
After hardening of resin, successively the vacuum bag helping out, flow-guiding screen and release cloth are peeled, obtain FRP gas concrete composite plate.The composite plate goods that obtain after the demoulding, through the surfacing repair process in later stage, finally obtain the FRP gas concrete composite plate that can directly use.
In step 2, adopt release cloth 3 can effectively the material such as vacuum bag and flow-guiding screen be stripped down from final FRP gas concrete composite plate after resin solidification; Can effectively resin traffic flow be led on flow-guiding screen 4 by many mozzles 5, and ensure that by the pod apertures on flow-guiding screen 4 resin is evenly penetrated into any position of FRP cloth rapidly, it can also dredge air-flow rapidly simultaneously, for draining of air in vacuum plays important positive role.
FRP composite material strength is high, member is thin and light, can original structure (aerated concrete panel core) is not almost had in influential situation greatly improve be reinforced member bending resistance, cut, turn round, draw bearing capacity and anti-seismic performance, the ductility of reinforcement and intensity, improve the stress performance of member.Meanwhile, cloth quality is soft, can be manually wrapped in aerated concrete panel wicking surface and without use large-scale instrument, do not need yet welding, noise and dust are minimum; Easy construction is saved trouble, and reduces cost of transportation, and can also suppress carbonation of concrete with the cloth aerated concrete panel core of wrapping, and improves the durability of member.
FRP gas concrete composite plate preparation technology of the present utility model is simple, does not need a large amount of skilled labors, thereby greatly reduces cost of labor and fabrication cycle, thereby advance being widely used of new composite plate.
The FRP gas concrete composite plate that the utility model provides is a kind of existing higher bending stiffness and the intensity that the aerated concrete panel core of the FRP cloth of being wrapped up by skin and internal layer is combined into, quality very light combining structure again.It is the tensile stress producing in order to bear moment of flexure that FRP cloth is placed on outermost layer., and lightweight aerated concrete plate core can bear shearing and pressure etc.Meanwhile, FRP gas concrete composite plate heat-insulating property meets national standard, do not need additionally to paste heat insulating material, and fire resistance is good again.Also solved traditional aerated concrete panel core intensity low, the easy corrosion of reinforcing bar and in transit corner angle are easily knocked the defects such as bad.
The utility model adopts FRP cloth to substitute traditional reinforcing bar, under the essentially identical prerequisite of total cost, has reduced by 1/2 left and right than traditional gas concrete arrangement of reinforcement plate thickness.And, according to lot of experiments and engineering practice, the traditional AAC gas concrete arrangement of reinforcement plate intensity of aerated concrete panel core compressive strength rate of FRP parcel improves 70% left and right, in addition, shear resistance is the corresponding larger raising that obtains 300% left and right also, and bending resistance obtains the raising of 25%～50% left and right.
To sum up can obtain, the moulding of FRP gas concrete composite plate has the following advantages:
1) composite plate goods are two-sided smooth, and without release agent, and demoulding post processing workload is few;
2) molding cycle is short, and efficiency is high, and raw material and energy consumption are few;
3) technique is closed moulding, has reduced the cinnamic volatilization of toxic gas, has reduced environment pollution, is conducive to healthy;
4) be convenient to control the consumption of resin;
5) be applicable to producing in enormous quantities.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.
Claims (4)
1.FRP gas concrete composite plate, is characterized in that, comprises aerated concrete panel core, and described aerated concrete panel core outer surface is wrapped in FRP cloth, and described FRP cloth fits tightly by infiltrating resin and solidifying with described aerated concrete panel core.
2. FRP gas concrete composite plate as claimed in claim 1, is characterized in that, the strength grade of described aerated concrete panel core is A3.5, and severe grade is B04.
3. FRP gas concrete composite plate as claimed in claim 1, it is characterized in that, on the external surface of described aerated concrete panel core, be provided with the groove of being convenient to resin flows, be also provided with several be convenient to described aerated concrete panel core contact with described FRP cloth paste through hole.
4. FRP gas concrete composite plate as claimed in claim 1, is characterized in that, described FRP cloth adopts glass fabric or carbon cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178839.XU CN203808347U (en) | 2014-04-14 | 2014-04-14 | Fiber reinforce plastic (FRP) aerated concrete composite panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178839.XU CN203808347U (en) | 2014-04-14 | 2014-04-14 | Fiber reinforce plastic (FRP) aerated concrete composite panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203808347U true CN203808347U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178839.XU Expired - Fee Related CN203808347U (en) | 2014-04-14 | 2014-04-14 | Fiber reinforce plastic (FRP) aerated concrete composite panel |
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| Country | Link |
|---|---|
| CN (1) | CN203808347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312573A (en) * | 2018-02-01 | 2018-07-24 | 上海同磊土木工程技术有限公司 | A kind of processing method of GFRP panels |
| CN114633322A (en) * | 2022-03-22 | 2022-06-17 | 无锡聚义盛新材料科技有限公司 | Novel solid wood veneer fireproof plate and processing technology thereof |
-
2014
- 2014-04-14 CN CN201420178839.XU patent/CN203808347U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312573A (en) * | 2018-02-01 | 2018-07-24 | 上海同磊土木工程技术有限公司 | A kind of processing method of GFRP panels |
| CN114633322A (en) * | 2022-03-22 | 2022-06-17 | 无锡聚义盛新材料科技有限公司 | Novel solid wood veneer fireproof plate and processing technology thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140903 Termination date: 20190414 |