CN103772908A - Glass fiber reinforced engineering plastic plate and simple high-damping isolating bearing - Google Patents
Glass fiber reinforced engineering plastic plate and simple high-damping isolating bearing Download PDFInfo
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- CN103772908A CN103772908A CN201410023134.5A CN201410023134A CN103772908A CN 103772908 A CN103772908 A CN 103772908A CN 201410023134 A CN201410023134 A CN 201410023134A CN 103772908 A CN103772908 A CN 103772908A
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Abstract
The invention relates to the technical field of a composite material, and particularly relates to a glass fiber reinforced engineering plastic plate. The engineering plastic plate is mainly prepared from two-way longitude and latitude glass fibers, and engineering plastic injected between the two-way longitude and latitude glass fibers. The invention also relates to the technical field of shock insulation, and particularly relates to a high-damping isolating bearing. By adopting the simple high-damping isolating bearing, common laminated rubber medium steel plate is replaced by using the engineering plastic plate, the simple high-damping isolating bearing is low in price, simple in construction technology, and applicable to broad rural areas with relatively weak economy and technique, and the compressive stress limit is smaller than that of a laminated steel pate rubber bearing.
Description
Technical field
The present invention relates to technical field of composite materials, more specifically relate to a kind of glass fibre and strengthen engineering plastic flitch, and this glass fibre is strengthened the manufacturing process of engineering plastic flitch; The invention still further relates to seismic isolation technology field, specifically a kind of simple and easy shock isolating pedestal of high damping that uses this project plastic plate to substitute normal stack rubber light plate.
Background technology
Shock insulation because concept is simple, successful, stable performance, become one of current the most widely used shock absorbing means, up to now, what the shock-insulation building of 5000 about buildings, the whole world used is laminated steel plate rubber support substantially, but this bearing is because its expensive price and complicated construction technology be not suitable for the earthquake isolation of the weak vast villages and small towns area building construction of economy, technology relative thin.On the other hand, because villages and small towns building storey is low, conduct oneself with dignity little, total input is relatively less, and while adopting laminated steel plate rubber earthquake isolation support, susceptor design face is pressed much smaller than its stress limit value, thereby causes larger waste.
Summary of the invention
The present invention's the first object is, provides the glass fibre that a kind of mechanical property is superior to strengthen engineering plastic flitch.
The present invention's the second object is, provides a kind of glass fibre to strengthen the preparation technology of engineering plastic flitch.
The present invention's the 3rd object is, a kind of simple and easy shock isolating pedestal of high damping that uses this project plastic plate to substitute normal stack rubber light plate is provided, the simple and easy shock isolating pedestal price of this high damping is low, construction technology is simple, its stress limit value is less than the stress limit value of laminated steel plate rubber support, is applicable to economy, the weak area, vast villages and small towns of technology relative thin.
The present invention's the first object is achieved through the following technical solutions:
A kind of glass fibre is strengthened engineering plastic flitch, and it is mainly by warp-weft two-way glass fibre, and the engineering plastics composition of injection moulding between warp-weft two-way glass fibre.
Further, described warp-weft two-way glass fibre is glass fibre woven roving.
Further, described engineering plastics are one or more in epoxy resin, unsaturated polyester, urethane, resol, polyphenylene oxide, polymeric amide, polycarbonate.
The present invention's the second object is achieved through the following technical solutions:
A manufacturing process for engineering plastic flitch, comprises the following steps:
1) some glass fibre woven rovings are stacked successively;
2) with the form of vacuum injection or directly injection moulding by engineering plastics implantation glass fiber woven roving after treatment deaeration;
3) curing molding.
Further, step 2) in, with the form of vacuum injection, by engineering plastics implantation glass fiber woven roving after treatment deaeration time, in vacuum injection process, environmental stress is 3MPa～6MPa.
Further, described engineering plastics are epoxy resin; The engineering plastics that step 3) curing molding obtains after specifically injection moulding being completed and glass fibre woven roving mixture solidify under the environment of 50 ℃～60 ℃.
Further, described engineering plastics are unsaturated polyester; The engineering plastics that step 3) curing molding obtains after specifically injection moulding being completed and glass fibre woven roving mixture solidify under the environment of 20 ℃～35 ℃.
The present invention's the 3rd object is achieved through the following technical solutions:
The simple and easy shock isolating pedestal of a kind of high damping, comprises support body; Described support body is alternately superposeed to vulcanize by rubber layer and engineering plastic flitch and forms; Described engineering plastic flitch is mainly by warp-weft two-way glass fibre, and the engineering plastics composition of injection moulding between warp-weft two-way glass fibre; The subsidence ratio of described rubber layer is 5%～30%.
Further, described warp-weft two-way glass fibre is glass fibre woven roving.
Further, described engineering plastics are one or more in epoxy resin, unsaturated polyester, urethane, resol, polyphenylene oxide, polymeric amide, polycarbonate.
Further, the thickness of the two-layer engineering plastic flitch of outermost is greater than the engineering plastic flitch of other level, and the two-layer engineering plastic flitch of outermost is respectively as upper sealing plate, lower shrouding.
As the improvement of technique scheme, the simple and easy shock isolating pedestal of described high damping also comprises the rubber cover that wraps up support body.
As the improvement of technique scheme, the upper/lower terminal of the simple and easy shock isolating pedestal of described high damping is equipped with some grooves.
The mechanical property that glass fibre of the present invention is strengthened engineering plastic flitch is superior; Frictional coefficient between glass fibre and engineering plastics is large, makes this project plastic plate have high damping characteristic.
The simple and easy shock isolating pedestal of high damping of the present invention uses this project plastic plate to substitute normal stack rubber light plate, there is high damping, vertical bearing capacity is large, lightweight, cost is low, good endurance, making simple, be convenient to the advantages such as transportation and construction, is applicable to economy, the weak area, vast villages and small towns of technology relative thin.Meanwhile, there is not the corrosion of normal stack rubber support light plate, the problems such as lead for retractable pencil contaminate environment in the simple and easy shock isolating pedestal of this high damping.
Accompanying drawing explanation
Fig. 1 is the sectional view of the simple and easy shock isolating pedestal of the embodiment of the present invention three high damping.
Fig. 2 be Fig. 1 every needing bearing to be installed on the structural representation of earthquake layer.
Fig. 3 is the sectional view of the simple and easy shock isolating pedestal of the embodiment of the present invention four high damping.
Fig. 4 is the vertical view of the simple and easy shock isolating pedestal of the embodiment of the present invention four high damping.
Fig. 5 be Fig. 3 every needing bearing to be installed on the structural representation of earthquake layer.
Identifier declaration: 1-rubber layer, 2-engineering plastic flitch, 3-rubber cover, 4-superstructure, 5-substructure, 6-groove.
Embodiment
Embodiment mono-
Mould table top is cleaned out, on required work top, applied releasing agent.At the region lay one deck release cloth that applies releasing agent, ready 5 layer of 04 glass fibre grid is distributed on release cloth and stacked successively in order, and place flow-guiding screen in fiber woven roving top, except giving in advance one side of injecting glue, all the other region flow-guiding screens need, apart from glass fibre woven roving edge 30～40mm, then wrap glass fibre woven roving and flow-guiding screen with release cloth.
Arrange extraction pipe, injected rubber hose at release cloth two ends, extraction pipe wraps up with release cloth and mentions, and injected rubber hose wraps up with release cloth, and seal gum is fixed.Extraction pipe extracts air in release cloth, make the pressure drop in space that release cloth wraps up to 3MPa～6MPa, then by injected rubber hose, epoxy resin after treatment deaeration is poured between glass fibre woven roving, when pressurize 15～25min(pressurize can make engineering plastic flitch stressed, deforming trend is even), the epoxy resin obtaining after injection moulding is completed and glass fibre woven roving mixture solidify under the environment of 50 ℃～60 ℃, can obtain engineering plastic flitch.
Above-mentioned engineering plastic flitch is carried out to pliability test and tension test, and experimental data is as table 1, table 2.
Table 1 engineering plastic flitch (epoxy resin) crooked experiment data
Examination criteria GB/T2570-1995
Table 2 engineering plastic flitch (epoxy resin) stretching experiment data
Extensometer gage length Le=50mm
Operative norm GB/T2567-2008
As known from Table 1, the flexural strength maximum value of this project plastic plate sample is 571.40MPa, and minimum value is 490.56MPa, and flexural strength mean value is 537.81MPa, coefficient of dispersion 0.0657.The modulus in flexure maximum value of this project plastic plate sample is 14546.31MPa, and minimum value is 10239.25MPa, and modulus in flexure mean value is 13081.62MPa, coefficient of dispersion 0.1478.
As known from Table 2, the maximum value of the tensile strength of this project plastic plate sample is 337.42MPa, and minimum value is 324.18MPa, and tensile strength mean value is 328.71MPa, and coefficient of dispersion is 0.0165.The maximum value of the Young's modulus of this project plastic plate sample is 20138.37MPa, and minimum value is 18963.12MPa, and Young's modulus mean value is 19462.21MPa, and coefficient of dispersion is 0.0239.The elongation at break of this project plastic plate sample or the maximum value of fully-factored load elongation are 2.45%, and minimum value is 2.33%, and mean value is 2.38%, and coefficient of dispersion is 0.0197.
In summary, the present embodiment engineering plastic flitch mechanical property is superior, and its tension, bending strength are all greater than 170MPa, and alternative steel plate is as the stiffener material of laminated rubber bases.
Embodiment bis-
Mould table top is cleaned out, on required work top, applied releasing agent.At the region lay one deck release cloth that applies releasing agent, ready 5 layer of 04 glass fibre grid is distributed on release cloth and stacked successively in order, and place flow-guiding screen in fiber woven roving top, except giving in advance one side of injecting glue, all the other region flow-guiding screens need, apart from glass fibre woven roving edge 30～40mm, then wrap glass fibre woven roving and flow-guiding screen with release cloth.
Arrange extraction pipe, injected rubber hose at release cloth two ends, extraction pipe wraps up with release cloth and mentions, and injected rubber hose wraps up with release cloth, and seal gum is fixed.Extraction pipe extracts air in release cloth, make the pressure drop in space that release cloth wraps up to 3MPa～6MPa, then by injected rubber hose, unsaturated polyester after treatment deaeration is poured between glass fibre woven roving, pressurize 15～25min, the unsaturated polyester obtaining after injection moulding is completed and glass fibre woven roving mixture solidify under the environment of 20 ℃-35 ℃, can obtain engineering plastic flitch.
Above-mentioned engineering plastic flitch is carried out to pliability test and tension test, and experimental data is as table 3, table 4.
Table 3 engineering plastic flitch (unsaturated polyester) crooked experiment data
Examination criteria GB/T2570-1995
Table 4 engineering plastic flitch (unsaturated polyester) stretching experiment data
Extensometer gage length Le=50mm
Operative norm GB/T2567-2008
As known from Table 3, the flexural strength maximum value of this project plastic plate sample is 492.64MPa, and minimum value is 428.77MPa, and flexural strength mean value is 462.44MPa, coefficient of dispersion 0.0570.The modulus in flexure maximum value of this project plastic plate sample is 13080.08MPa, and minimum value is 10889.42MPa, and modulus in flexure mean value is 12257.48MPa, coefficient of dispersion 0.0783.
As known from Table 4, the tensile strength maximum of this project plastic plate sample is 316.57MPa, and minimum value is 302.61MPa, and tensile strength mean value is 304.02MPa, and coefficient of dispersion is 0.0325.The Young's modulus maximum value of this project plastic plate sample is 18045.53MPa, and minimum value is 16576.54MPa, and Young's modulus mean value is 17420.07MPa, and coefficient of dispersion is 0.0399.The elongation at break of this project plastic plate sample or the maximum value of fully-factored load elongation are 2.41%, and minimum value is 2.35%, and mean value is 2.38%, and coefficient of dispersion is 0.0105.
In summary, the present embodiment engineering plastic flitch mechanical property is superior, and its tension, bending strength are all greater than 170MPa, and alternative steel plate is as the stiffener material of laminated rubber bases.
Embodiment tri-
Referring to Fig. 1, the simple and easy shock isolating pedestal of the present embodiment high damping, comprises support body; Described support body by rubber layer 1 and engineering plastic flitch 2 alternately stack sulfuration form, and upper sealing plate is top layer engineering plastic flitch 2, lower shrouding is lowest layer engineering plastic flitch 2, the thickness of upper sealing plate, lower shrouding is greater than the engineering plastic flitch 2 of other level.The subsidence ratio of described rubber layer 1 is 5%～30%.The simple and easy shock isolating pedestal of described high damping also comprises the rubber cover 3 that wraps up support body.
Described engineering plastic flitch 2 is basic identical with the engineering plastic flitch in embodiment mono-, difference is: in the engineering plastic flitch that upper sealing plate, lower shrouding adopt, comprise 31 layers of glass fibre woven roving, comprise 12 layers of glass fibre woven roving in the engineering plastic flitch of other level.
Referring to Fig. 2, the simple and easy shock isolating pedestal of described high damping can adopt the mode of interlocking to be fixed in the installation groove of superstructure 4, substructure 5 of Seismic Isolation of Isolation Layer.
Embodiment tetra-
Referring to Fig. 3, the simple and easy shock isolating pedestal of the present embodiment high damping, comprises support body, wraps up the rubber cover 3 of support body.Described support body by rubber layer 1 and engineering plastic flitch 2 alternately stack sulfuration form, and upper sealing plate is top layer engineering plastic flitch 2, lower shrouding is lowest layer engineering plastic flitch 2, the thickness of upper sealing plate, lower shrouding is greater than the engineering plastic flitch 2 of other level.The subsidence ratio of described rubber layer 1 is 5%～30%.
Described engineering plastic flitch 2 is basic identical with the engineering plastic flitch in embodiment bis-, difference is: in the engineering plastic flitch that upper sealing plate, lower shrouding adopt, comprise 29 layers of glass fibre woven roving, comprise 11 layers of glass fibre woven roving in the engineering plastic flitch of other level.
Referring to Fig. 4, the top of described rubber cover 3 is provided with some grooves 6.The bottom of described rubber cover 3 is also provided with some grooves 6.After rubber cover 3 tops and bottom smearing structure glue, then be positioned between the superstructure 4, substructure 5 of Seismic Isolation of Isolation Layer, simple and easy described high damping shock isolating pedestal can be fixed, referring to Fig. 5.Set up after described groove 6, be convenient to smearing structure glue, the simple and easy shock isolating pedestal of high damping is connected with superstructure 4, substructure 5 more securely.
The above embodiment has only expressed part embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be noted that; for the person of ordinary skill of the art; without departing from the inventive concept of the premise; can also make some distortion and improvement; as adopting one or more in urethane, resol, polyphenylene oxide, polymeric amide, polycarbonate as the engineering plastics in engineering plastic flitch, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. glass fibre is strengthened an engineering plastic flitch, it is characterized in that: it is mainly by warp-weft two-way glass fibre, and the engineering plastics composition of injection moulding between warp-weft two-way glass fibre.
2. glass fibre according to claim 1 is strengthened engineering plastic flitch, it is characterized in that: described warp-weft two-way glass fibre is glass fibre woven roving.
3. glass fibre according to claim 1 is strengthened engineering plastic flitch, it is characterized in that: described engineering plastics are one or more in epoxy resin, unsaturated polyester, urethane, resol, polyphenylene oxide, polymeric amide, polycarbonate.
4. a manufacturing process for engineering plastic flitch, is characterized in that, comprises the following steps:
1) some glass fibre woven rovings are stacked successively;
2) with the form of vacuum injection or directly injection moulding by engineering plastics implantation glass fiber woven roving after treatment deaeration;
3) curing molding.
5. manufacturing process according to claim 4, is characterized in that: step 2) in, with the form of vacuum injection, by engineering plastics implantation glass fiber woven roving after treatment deaeration time, in vacuum injection process, environmental stress is 3MPa～6MPa.
6. manufacturing process according to claim 5, is characterized in that: described engineering plastics are epoxy resin; The engineering plastics that step 3) curing molding obtains after specifically injection moulding being completed and glass fibre woven roving mixture solidify under the environment of 50 ℃～60 ℃.
7. manufacturing process according to claim 5, is characterized in that: described engineering plastics are unsaturated polyester; The engineering plastics that step 3) curing molding obtains after specifically injection moulding being completed and glass fibre woven roving mixture solidify under the environment of 20 ℃～35 ℃.
8. the simple and easy shock isolating pedestal of high damping, comprises support body; It is characterized in that: described support body is alternately superposeed to vulcanize by rubber layer and engineering plastic flitch and forms; Described engineering plastic flitch is mainly by warp-weft two-way glass fibre, and the engineering plastics composition of injection moulding between warp-weft two-way glass fibre; The subsidence ratio of described rubber layer is 5%～30%.
9. the simple and easy shock isolating pedestal of high damping according to claim 8, is characterized in that: the thickness of the two-layer engineering plastic flitch of outermost is greater than the engineering plastic flitch of other level, and the two-layer engineering plastic flitch of outermost is respectively as upper sealing plate, lower shrouding.
10. the simple and easy shock isolating pedestal of high damping according to claim 8, is characterized in that: also comprise the rubber cover that wraps up support body.
The simple and easy shock isolating pedestal of 11. high damping according to claim 8, is characterized in that: the upper/lower terminal of the simple and easy shock isolating pedestal of described high damping is equipped with some grooves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410023134.5A CN103772908A (en) | 2014-01-17 | 2014-01-17 | Glass fiber reinforced engineering plastic plate and simple high-damping isolating bearing |
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| CN201410023134.5A CN103772908A (en) | 2014-01-17 | 2014-01-17 | Glass fiber reinforced engineering plastic plate and simple high-damping isolating bearing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104356491A (en) * | 2014-12-09 | 2015-02-18 | 广州大学 | Wood-plastic fiber composite plate/rubber laminated earthquake-isolation bearing for low-rise buildings and manufacturing method of earthquake-isolation bearing |
| CN104356492A (en) * | 2014-12-09 | 2015-02-18 | 广州大学 | Bamboo-plastic fiber composite plate/rubber sheet laminated earthquake-isolation bearing and manufacturing method of earthquake-isolation bearing |
| CN104532959A (en) * | 2014-12-09 | 2015-04-22 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
| CN104563293A (en) * | 2014-12-09 | 2015-04-29 | 广州大学 | Bamboo-plastic-fiber composite board/rubber laminated vibration insulation support used for low-rise building and manufacturing method of bamboo-plastic-fiber composite board/rubber laminated vibration insulation support |
| CN104672784A (en) * | 2015-03-17 | 2015-06-03 | 苏交科集团股份有限公司 | Energy-consuming damping material, and preparation method and application thereof |
| CN105199321A (en) * | 2015-10-10 | 2015-12-30 | 湖南大学 | Novel FRP material and preparation method thereof |
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| CN101736830A (en) * | 2010-01-26 | 2010-06-16 | 广州大学 | Glass fiber composite plate laminated rubber vibration isolating cushion |
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| CN101736830A (en) * | 2010-01-26 | 2010-06-16 | 广州大学 | Glass fiber composite plate laminated rubber vibration isolating cushion |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104356491A (en) * | 2014-12-09 | 2015-02-18 | 广州大学 | Wood-plastic fiber composite plate/rubber laminated earthquake-isolation bearing for low-rise buildings and manufacturing method of earthquake-isolation bearing |
| CN104356492A (en) * | 2014-12-09 | 2015-02-18 | 广州大学 | Bamboo-plastic fiber composite plate/rubber sheet laminated earthquake-isolation bearing and manufacturing method of earthquake-isolation bearing |
| CN104532959A (en) * | 2014-12-09 | 2015-04-22 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
| CN104563293A (en) * | 2014-12-09 | 2015-04-29 | 广州大学 | Bamboo-plastic-fiber composite board/rubber laminated vibration insulation support used for low-rise building and manufacturing method of bamboo-plastic-fiber composite board/rubber laminated vibration insulation support |
| CN104532959B (en) * | 2014-12-09 | 2017-01-25 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
| CN104672784A (en) * | 2015-03-17 | 2015-06-03 | 苏交科集团股份有限公司 | Energy-consuming damping material, and preparation method and application thereof |
| CN105199321A (en) * | 2015-10-10 | 2015-12-30 | 湖南大学 | Novel FRP material and preparation method thereof |
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