CN102434019B - Composite material flange for connecting transmission tower and forming method thereof - Google Patents
Composite material flange for connecting transmission tower and forming method thereof Download PDFInfo
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- CN102434019B CN102434019B CN 201110337830 CN201110337830A CN102434019B CN 102434019 B CN102434019 B CN 102434019B CN 201110337830 CN201110337830 CN 201110337830 CN 201110337830 A CN201110337830 A CN 201110337830A CN 102434019 B CN102434019 B CN 102434019B
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Abstract
The invention relates to a composite material flange and a forming method thereof, in particular to a composite material flange for connecting transmission towers and a forming method thereof, which belongs to the field of structural members for connecting composite material transmission towers. The composite material flange is formed by assembling a flange barrel and a plurality of floating plate modules which are adhered on the external wall of the flange barrel and have the same structures; the forming method comprises the following steps: 1) respectively forming a flange barrel and a plurality of floating plate modules with the same structures through a precasting mould; 2) assembling 2 to 30 floating plate modules formed in the step 1) on the outer surface of the flange barrel and then adhering the floating plate modules and the flange barrel into a whole body, and then solidifying the whole body under normal temperature to form the composite material flange. Compared with a metal flange, the composite material flange can effectively reduce the weight of the flange, can effectively improve the corrosion resistance and insulativity, is flexible in installation mode, can realize the design requirement on constant strength and constant rigidity of flanges on each part, can avoid microcrack and crack damage, is easy to operate, facilitates large-scale production, and is beneficial to popularization and application.
Description
Technical field
The present invention relates to a kind of flange made of composite material and preparation method thereof, is specifically flange made of composite material of a kind of transmission tower connection use and preparation method thereof, belongs to composite material transmission tower and connects the structural member field of using.
Background technology
The material of existing transmission tower connecting flange adopts traditional metal material usually, and the flange connector of metal material is used under environment to have corrosion-resistant in the open, and quality weighs, needs the shortcomings such as frequent replacing; Because metal has electric conductivity, also for the normal operation of transmission line of electricity, buried potential safety hazard again.
In recent years, expansion due to the glass fiber compound material application,, the excellent specific property such as intensity high, anti-weathering aging, corrosion resistance strong lightweight so that it was had, existing flange component prepared by glass fiber compound material is applied in the products such as power transmission rod, tower, the insulating properties of circuit be can increase substantially, the sudden strain of a muscle of circuit resistant, ice sudden strain of a muscle, wind-deviation, lightning withstand level significantly improved.The performance of flange made of composite material and use have been subject to the attention of power domain gradually.
And the flange made of composite material majority be prepared from by composite material at present is whole Flange, the shortcoming of this structure is that the internal stress of annular flange distributes and do not mate, be difficult to realize equal strength, etc. the designing requirement of rigidity; Especially in use, annular flange and cylindrical shell junction easily moderate finite deformation occurs under the longitudinal stress effect, micro-crack and cracking destruction even occur.
Summary of the invention
In order to solve the defect existed in above-mentioned prior art, the purpose of this invention is to provide that a kind of quality is light, corrosion-resistant, good insulating, can realize each position flange equal strength, etc. the designing requirement of rigidity, not there will be the flange made of composite material of micro-crack and cracking destruction and the forming method of this flange made of composite material thereof.
To achieve these goals, the present invention adopts following technical scheme: a kind of transmission tower connects the flange made of composite material of use, it is characterized in that: it by a flange cylindrical shell kickboard module identical with the some block structures that are adhered to this flange cylinder body outer wall assembled.
Above-mentioned flange cylindrical shell by cylindrical shell with along its cylindrical shell base the vertical ring-type chassis outwards joined one-body molded; Wherein, the cylindrical shell height is 200mm-800mm, and thickness is identical with the thickness of ring-type main frame, is 3mm-40mm; Cylinder internal diameter is identical with the internal diameter on ring-type chassis, is 100mm-1500mm; The width on ring-type chassis is 100mm-1000mm; Described kickboard module is combined by arc, the curved plate outwards joined vertical with the arc base, 2 side plates joining with arc dual-side and curved plate dual-side respectively; Wherein, the inner arc radian of the inner arc of arc and curved plate is identical, is 12-180 °; The thickness of arc is identical with the thickness of curved plate, is 3mm-40mm; The outer rim of curved plate is concordant with the outer rim on described ring-type chassis; The thickness of arc is less than described cylindrical shell thickness 3mm-20mm; The top margin of side plate is positioned at 3/4 place of described arc whole height; The width on side plate base is identical with the width of curved plate, and the width of curved plate is less than the width on ring-type chassis; The width of side plate top margin is less than its base width; The inner side edge of this side plate and described arc one side join, and the outer side edges of side plate is straight flange by its base apart from 1/4 place of top margin height, by the top margin of this straight flange upwards to being upper hypotenuse between described side plate top margin; The soffit of the upper surface on the outer wall of described cylindrical shell, described ring-type chassis and described arc inwall, described curved plate and the external surface of described side plate all scribble bonding adhesive.
Above-mentioned kickboard module is the 2-30 piece; Described bonding adhesive is resin and curing compound, and the parts by weight mixing ratio of resin and curing compound is 90-110: 30-50; Wherein, resin can be selected in epoxy resin, acrylic resin or polyurethane resin any; Curing compound is aromatic amine curing agent.
The internal diameter on above-mentioned cylinder internal diameter and ring-type chassis is 100mm-1500mm; Cylindrical shell thickness is identical with the thickness on ring-type chassis, is 3mm-40mm.
The thickness of above-mentioned arc and the thickness of described curved plate are 3mm-40mm.
To achieve these goals, the utility model also provides a kind of forming method of above-mentioned flange made of composite material, comprises that step is as follows:
1) distinguish by prefabricated mould the kickboard module that the shaped flange cylindrical shell is identical with some block structures;
2) get the assembled extremely described flange cylinder external surface of kickboard module 2-30 piece of step 1) moulding and form described flange made of composite material with it by bonding being integral of bonding adhesive after normal temperature solidifies;
Wherein, the moulding process described in step 1) is selected in hand paste, mold pressing, resin transfer moulding or vacuum-assisted resin transfer moulding technology any;
Step 2) bonding adhesive used is comprised of resin and curing compound, and the mixed proportion of resin and curing compound is 90-110:30-50; Wherein, resin used can be selected any in epoxy resin, acrylic resin or polyurethane resin; Curing compound is selected aromatic amine curing agent.
Owing to having adopted technique scheme, beneficial effect of the present invention is as follows: 1) the present invention compares with the conventional metals flange, meets the flange application conditions, and effectively reduces the weight of flange, and the proportion of steel metal flange is about 7.8g/cm
3, and the proportion of glass fiber reinforced plastics composite material (glass fibre reinforced composion) is only 1.9～2.2 g/cm
3; Simultaneously, solved the not corrosion resistant shortcoming of metal flange; Apply in the transmission line of electricity field, can also effectively improve the defect of conventional metals flange poor insulativity.2) the present invention is provided with the kickboard module that the 2-30 block structure is identical, kickboard module and flange cylindrical shell are processed respectively through prefabricated mould separately, and then the forming method that the two is bonded together, can meet the effects such as the required moment of flexure of bearing of flange that electrical cross arm connects use, shearing, pulling force fully, mould is simple, be convenient to manufacture, be particularly useful for manufacturing major diameter, small lot and non-conventional glass steel flange; 3) the present invention compares with the composites flange, has increased the kickboard module, has improved its internal stress distribution mismatch problem, realize equal strength, etc. the rigidity Design requirement; Integral (type) flange not there will be micro-crack and cracking phenomena; Strengthen the safety of its use; 4) with the bonding flange of existing other composite material, compare, the present invention by the gluing various load that can effectively bear in the engineering application that are connected, has improved the whole bearing strength of flange by some kickboard modules and flange cylindrical shell; 5) moulding of flange cylindrical shell and some kickboard modules can be selected any method in current mature hand paste, mold pressing, resin transfer moulding or vacuum-assisted resin transfer moulding technology (SCRIMP), need not additionally increase the scientific research and development cost; Workable, easily realize mass production; Be conducive to promotion and implementation.
The accompanying drawing explanation
The overall structure schematic diagram that Fig. 1 is flange made of composite material of the present invention.
The structural representation that Fig. 2 is flange cylindrical shell 1 in Fig. 1.
The structural representation that Fig. 3 is kickboard module 2 in Fig. 1.
The specific embodiment
As shown in Figure 1, transmission tower of the present invention connects the flange made of composite material of use, it by a flange cylindrical shell 1 the kickboard module 2 identical with the some block structures that are adhered to this flange cylinder body outer wall assembled; Kickboard module 2 can be selected 2～30 according to the size specification of electrical cross arm, and the best is selected 6; Kickboard module 2 and flange cylindrical shell 1 abutting edge bonding adhesive used can be selected in epoxy resin, acrylic resin or polyurethane resin any.
As shown in Figure 2, flange cylindrical shell 1 by cylindrical shell 11 with along its cylindrical shell base the vertical ring-type chassis 12 outwards joined one-body molded; The height of this cylindrical shell 11 is 200mm-800mm; The internal diameter of cylindrical shell is identical with the internal diameter on ring-type chassis 12, is 100mm-1500mm; The thickness of cylindrical shell 11 is identical with the thickness on ring-type chassis 12, is 3mm-40mm; The ring width on ring-type chassis 12 is 100mm-1000mm.
As shown in Figure 3, kickboard module 2 is by arc 21, the curved plate that outwards join 22 vertical with the arc base, the side plate 23 joined with arc 21 dual-sides and curved plate 22 dual-sides respectively; The inner arc radian of this arc 21 is identical with the inner arc radian of curved plate 22, is 12-180 °; The thickness of arc 21 is identical with the thickness of curved plate 22, is 3mm-40mm; The width of curved plate 22 is less than the ring width 3mm-20mm on ring-type chassis 12; The height of arc 21 is identical with the height of cylindrical shell 11; The height of side plate 23 is lower than the height of arc 21, and the base of side plate 23 is identical with the width of curved plate 22; The top margin width of side plate 23 is less than its base width, by the side plate top margin apart from being lower hypotenuse between the 100mm-1000mm height of its base; The upper surface on the outer wall of cylindrical shell 11 and ring-type chassis 12 is coated with the bonding adhesive with the bonding use of external surface of the soffit of arc 21 inwalls, curved plate 22 and side plate 23.
Above-mentioned transmission tower connects the forming method with flange made of composite material, comprises that step is as follows:
1) distinguish by prefabricated mould the kickboard module that the shaped flange cylindrical shell is identical with some block structures;
2) get the assembled extremely described flange cylinder external surface of kickboard module 2-30 piece of step 1) moulding and form described flange made of composite material with it by bonding being integral of bonding adhesive after normal temperature solidifies;
Wherein, the moulding process in step 1) can be selected any in now mature hand paste, mold pressing, resin transfer moulding or vacuum-assisted resin transfer moulding technology (SCRIMP);
Step 2) bonding adhesive used is comprised of resin and curing compound, and the mixed proportion of resin and curing compound is 90-110:30-50; Wherein, resin used can be selected any in epoxy resin, acrylic resin or polyurethane resin; Curing compound is selected aromatic amine curing agent; .
Below describe forming method of the present invention in detail by instantiation.
Example 1:
The moulding of flange cylindrical shell adopts vacuum-assisted resin transfer moulding technology (SCRIMP), and wherein, cylindrical shell, annular bottom plate are one-body molded by a mold, and the cylindrical shell height is 200mm, and thickness is 3mm; The internal diameter of cylindrical shell is identical with the internal diameter on ring-type chassis 12, is 100mm; The width on ring-type chassis is 100mm; Its concrete operations are:
1) brush equably release agent 3-4 time on prefabricated mould, every all over about 15 minutes time intervals.
2) after the release agent drying, the non-twist stitch-bonded felt of glass fiber alkali-free is laid on inner mold successively, the number of plies is 20 layers.
3) above-mentioned steps 2) as a whole from top to bottom while spreading cloth, the flange position is cut into gap, with cloth, tamps, every adjacent layer gap position laying that staggers, after every layer of cloth is completed, tie up on mould with glass fiber yarn, compacting, operation is carried out repeatedly, until reach design thickness 3mm.
4) completing steps 3) after, one deck release cloth and one deck flow-guiding screen spread successively outside layer of cloth.Wherein, the flow-guiding screen lower end is connected with sealing joint strip with bottom, and release cloth is spread apart from layer of cloth end face 50-70mm in upper end, whole layer of cloth is covered, and leave 50～60mm surplus at each edge of release cloth.
5) completing steps 4) after, paste successively sealing joint strip, put injected rubber hose and vacuum-pumping tube.Wherein, sealing joint strip pastes a circle along peripheral direction apart from layer of cloth 50mm place in bottom, and a circle is pasted on the upper end edge top; Injected rubber hose is placed 8～12, apart from layer of cloth outer end 50～60mm, forms a circle; In the end of flange cylindrical shell, place 2～4 vacuum-pumping tubes, form a circle, be not connected each other, interval is more than 50mm.
6) prepare resin adhesive liquid, stir.This resin adhesive liquid is by 90～100 parts of epoxy resin, 1～3 part, curing compound, and 0.5～2 part of accelerator, 0.1～0.3 part of defoamer mixes; Epoxy resin used, curing compound, accelerator and defoamer can, according to customer requirement, be selected marketable material to coordinate and get final product.
7) resin adhesive liquid by vacuum pump, step 6) prepared is drawn in die cavity by the mould gum-injecting port, until gum outlet has glue to overflow, till whole die cavity is filled with.In whole injecting glue process, vacuum is not less than 0.085MPa.
8) completing steps 7) after, close and inhale glue mouth valve, keep gum outlet vacuum, its vacuum is not less than 0.085MPa, until shut-down operation during the product gel solidification.
9) the product cold curing is after 12 hours, the flange cylindrical shell that demoulding aftershaping is integrated.
The setting of the setting of some kickboard module specifications and the height of flange cylindrical shell, internal diameter, cylindrical shell thickness needs coupling; The moulding of kickboard module is stuck with paste technique by hand and is realized; Its concrete operation step is as follows:
1) brush equably release agent on mould used, be coated with one deck gel coating resin after the release agent drying.
2) after the gel coating resin gel, the non-twist stitch-bonded felt of glass fiber alkali-free is laid on mould successively, the number of plies is 20 layers.
3) in step 2) in, adopt the non-twist stitch-bonded felt of glass fiber alkali-free to replace lay, after every layer of cloth is completed, the epoxy resin that is mixed with aromatic amine curing agent with coatings such as roller and hairbrush makes the non-twist stitch-bonded felt of resin-dipping glass fiber alkali-free and drives away bubble, compacting lamination, the laying operation is carried out repeatedly, until reach the design thickness 3mm of product.
4) cold curing, after 12 hours, obtains 1 kickboard module after the demoulding.
Finally by the flange cylindrical shell of moulding with some kickboard modules are assembled and the gluing affixed whole flange made of composite material that is assembled into; Its concrete operations are:
A, flange cylinder external surface, kickboard module are cleared up respectively with respect to the installed surface of flange cylindrical shell; With the 120# sand papering, process, with the industrial dust collector chip that exhausts; Clean bonding surface with clean acetone, removing surface is clean, without any greasy dirt, attachment;
B, by the bonding process requirement, get the kickboard module that 6 radians are 60 °, be sequentially arranged on the flange cylindrical shell and spell the circle trial assembly, and mark the every relevant position with the flange cylindrical shell; After having determined kickboard module and flange cylindrical shell relevant position, by all kickboard modules, take off stand-by;
C, calculating glue-spread, join glue with resin and curing compound; Get 138 epoxy resin and aromatic amine curing agent in present embodiment and be uniformly mixed into epoxyn with the ratio of weight and number of 90: 30; Smear the cylindrical shell sticky surface with scraper plate, guarantee that the epoxyn blade coating is even, without the place of holiday, the blade coating thickness of epoxyn is controlled at 0.1-0.3mm according to the size of product specification; Except with epoxy resin, also can select acrylic resin or polyurethane resin.
D, the relevant position bonding kickboard module successively of pressing the flange cylindrical shell, the bonding adhesive used bonding adhesive material used with step C is identical; Under normal temperature, solidify, final molding is flange made of composite material of the present invention.
Example 2:
The moulding of kickboard module and kickboard module are all identical with example 1 with the erection method of flange cylindrical shell; Do not repeat them here.Difference is: the moulding of flange cylindrical shell adopts press moulding mode to realize, the cylindrical shell height is 400mm, and cylindrical shell thickness is 10mm, and the internal diameter of cylindrical shell is identical with the internal diameter on ring-type chassis 12, is 500mm; The width on ring-type chassis is 200mm; Wherein, the resin in the body formed resin adhesive liquid used of flange cylinder is unsaturated-resin;
Hour, kickboard module and flange cylindrical shell that desirable 2 radians are 180 ° are bonding for the electrical cross arm specification, and the inner arc of kickboard module is semicircle, with the bonding adhesive of the bonding use of flange cylindrical shell, by resin and curing compound, is mixed; Get acrylic resin and aromatic amine curing agent in this example and be uniformly mixed into acrylic resin adhesive with the ratio of weight and number of 110: 50; Smear the cylindrical shell sticky surface with scraper plate, guarantee that the acrylic resin adhesive blade coating is even, without the place of holiday, the blade coating THICKNESS CONTROL of acrylic resin adhesive is at 0.3mm.
Example 3:
The moulding of kickboard module and kickboard module are all identical with example 1 with the erection method of flange cylindrical shell; Do not repeat them here.Difference is: the moulding of flange cylindrical shell adopts resin transfer molding (RTM) process to realize, the cylindrical shell height is 600mm, and cylindrical shell thickness is 20mm, and the internal diameter of cylindrical shell is identical with the internal diameter on ring-type chassis 12, is 1000mm; The width on ring-type chassis is 800mm; Wherein, the body formed resin used of flange cylinder is vinylite;
When the specification of electrical cross arm is huge, get kickboard module and flange cylindrical shell that 30 radians are 12 ° bonding; With bonding adhesive by resin and curing compound, mixed; Get polyurethane resin and aromatic amine curing agent in this example and be uniformly mixed into polyurethane resin adhesive with the ratio of weight and number of 100: 40; Smear the cylindrical shell sticky surface with scraper plate, guarantee that the polyurethane resin adhesive blade coating is even, without the place of holiday, the blade coating THICKNESS CONTROL of polyurethane resin adhesive is at 0.2mm.
Example 4:
The moulding of kickboard module and kickboard module are all identical with example 1 with the erection method of flange cylindrical shell; Do not repeat them here.Difference is: the moulding of flange cylindrical shell adopts hand paste mode to realize, the cylindrical shell height is 800mm, and cylindrical shell thickness is 40mm, and the internal diameter of cylindrical shell is identical with the internal diameter on ring-type chassis 12, is 1500mm; The width on ring-type chassis is 1000mm; Wherein, the body formed resin used of flange cylinder is phenolic resins;
Kickboard module and flange cylindrical shell that desirable 10 radians are 36 ° are bonding, and bonding adhesive used is mixed by resin and curing compound; Get polyurethane resin and aromatic amine curing agent in this example and be uniformly mixed into polyurethane resin adhesive with the ratio of weight and number of 110: 30; Smear the cylindrical shell sticky surface with scraper plate, guarantee that the polyurethane resin adhesive blade coating is even, without the place of holiday, the blade coating THICKNESS CONTROL of polyurethane resin adhesive is at 0.2mm.
Epoxy resin, acrylic resin or polyurethane resin used in above-mentioned every example are liquid resin, and the above-mentioned resin of arbitrary model of selling on market all can be used.
Claims (5)
1. a transmission tower connects the flange made of composite material of use, it is characterized in that: it by a flange cylindrical shell kickboard module identical with the some block structures that are adhered to this flange cylinder body outer wall assembled; Described flange cylindrical shell by cylindrical shell with along its cylindrical shell base the vertical ring-type chassis outwards joined one-body molded; Wherein, the cylindrical shell height is 200mm-800mm, and thickness is identical with the thickness on ring-type chassis, is 3mm-40mm; Cylinder internal diameter is identical with the internal diameter on ring-type chassis, is 100mm-1500mm; The width on ring-type chassis is 100mm-1000mm; Described kickboard module is combined by arc, the curved plate outwards joined vertical with the arc base, 2 side plates joining with arc dual-side and curved plate dual-side respectively; Wherein, the inner arc radian of the inner arc of arc and curved plate is identical, is 12-180 °; The thickness of arc is identical with the thickness of curved plate, is 3mm-40mm; The outer rim of curved plate is concordant with the outer rim on described ring-type chassis; The thickness of arc is less than described cylindrical shell thickness 3mm-20mm; The top margin of side plate is positioned at 3/4 place of described arc whole height; The width on side plate base is identical with the width of curved plate, and the width of curved plate is less than the width on ring-type chassis; The width of side plate top margin is less than its base width; The inner side edge of this side plate and described arc one side join, and the outer side edges of side plate is straight flange by its base apart from 1/4 place of top margin height, by the top margin of this straight flange upwards to being upper hypotenuse between described side plate top margin; The soffit of the upper surface on the outer wall of described cylindrical shell, described ring-type chassis and described arc inwall, described curved plate and the external surface of described side plate all scribble bonding adhesive.
2. flange made of composite material according to claim 1, it is characterized in that: described kickboard module is the 2-30 piece; The mixture that described bonding adhesive is resin and curing compound, wherein, the mixing ratio of resin and curing compound parts by weight is 90-110: 30-50.
3. flange made of composite material according to claim 2 is characterized in that: described resin be in epoxy resin, acrylic resin or polyurethane resin any; Described curing compound is aromatic amine curing agent.
4. the forming method of the described flange made of composite material of claim 1-3 any one comprises that step is as follows:
1) distinguish by prefabricated mould the kickboard module that the shaped flange cylindrical shell is identical with some block structures;
2) get the assembled extremely described flange cylinder external surface of kickboard module 2-30 piece of step 1) moulding and be integral by bonding adhesive is bonding with it, forming described flange made of composite material after normal temperature cure;
Wherein, the described moulding process of step 1) is selected in hand paste, mold pressing, resin transfer moulding or vacuum-assisted resin transfer moulding technology any;
Step 2) described bonding adhesive is comprised of resin and curing compound, and the parts by weight mixing ratio of resin and curing compound is 90-110: 30-50.
5. forming method according to claim 4, is characterized in that: step 2) described resin be in epoxy resin, acrylic resin or polyurethane resin any; Described curing compound is aromatic amine curing agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110337830 CN102434019B (en) | 2011-10-31 | 2011-10-31 | Composite material flange for connecting transmission tower and forming method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110337830 CN102434019B (en) | 2011-10-31 | 2011-10-31 | Composite material flange for connecting transmission tower and forming method thereof |
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| CN102434019A CN102434019A (en) | 2012-05-02 |
| CN102434019B true CN102434019B (en) | 2013-11-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104963541B (en) * | 2015-07-23 | 2017-06-20 | 孙仲齐 | A kind of manufacture method of the nano combined shaft tower of anti-more than 60m/s high wind |
| CN112848381B (en) * | 2020-12-31 | 2023-04-07 | 南京玻璃纤维研究设计院有限公司 | Composite component and preparation method thereof |
| CN112976605B (en) * | 2021-02-04 | 2022-06-28 | 哈尔滨玻璃钢研究院有限公司 | Forming method of low-cost double-flanging flange structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345521A (en) * | 1999-06-03 | 2000-12-12 | Nippon Light Metal Co Ltd | Fixing device for erecting strut |
| JP2006233623A (en) * | 2005-02-25 | 2006-09-07 | Sekisui Jushi Co Ltd | Base structure of steel pipe column |
| CN101418070A (en) * | 2008-12-10 | 2009-04-29 | 北京玻钢院复合材料有限公司 | Epoxy resin combination, composite material and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3464416B2 (en) * | 1999-08-26 | 2003-11-10 | 新日本製鐵株式会社 | Column base structure and construction method thereof |
| JP2005016245A (en) * | 2003-06-27 | 2005-01-20 | Sumitomo Metal Steel Products Inc | Structure of base of column |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345521A (en) * | 1999-06-03 | 2000-12-12 | Nippon Light Metal Co Ltd | Fixing device for erecting strut |
| JP2006233623A (en) * | 2005-02-25 | 2006-09-07 | Sekisui Jushi Co Ltd | Base structure of steel pipe column |
| CN101418070A (en) * | 2008-12-10 | 2009-04-29 | 北京玻钢院复合材料有限公司 | Epoxy resin combination, composite material and preparation method thereof |
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Effective date of registration: 20181213 Address after: 277500 South of Beixin West Road, Tengzhou City, Zaozhuang City, Shandong Province (Luban Avenue West, College West Road North) Patentee after: Beibao Power Composite Co., Ltd. Address before: 102101 No. 261 Kangxi Road, Badaling Industrial Development Zone, Yanqing County, Beijing Patentee before: Beijing FRP Research & Design Institute Composite Co., Ltd. |