CN101892660A - Method for forming all composite material lattice pile - Google Patents
Method for forming all composite material lattice pile Download PDFInfo
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- CN101892660A CN101892660A CN 201010227333 CN201010227333A CN101892660A CN 101892660 A CN101892660 A CN 101892660A CN 201010227333 CN201010227333 CN 201010227333 CN 201010227333 A CN201010227333 A CN 201010227333A CN 101892660 A CN101892660 A CN 101892660A
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Abstract
The invention discloses a method for forming an all composite material lattice pile, which is characterized by comprising the following steps: step one: decomposing a formed pile into a plurality of cylindrical bodies based on the shape thereof; step two: processing light core materials with shapes matched with the decomposed cylindrical bodies, and completely packing the surfaces of the processed core materials by fiber cloths to obtain packing bodies; step three: splicing the packing bodies into a spliced body consistent with the formed pile and utilizing the fiber cloths to pack the spliced body into a whole; and step four: loading the spliced body packed into a whole in a forming die, opening pores on the die, and conducting vacuum resin guidance for immersing and setting to obtain the composite material lattice pile taking fiber cloths as lattice bodies. The invention has the advantages of simple method, convenient formation, high strength and wide application.
Description
Technical field
The present invention relates to a kind of preparation method of full composite material combined built pile, especially a kind of preparation method who all utilizes corrosion resistance and good that composite material makes, in light weight, basic pile that intensity is high, it can be used for pier stud, pipe pile foundation, the harbour self-floating dolphin system in civil engineering structure field in the marine environment and can be used as the pier stud of repairing rush construction engineering and electric pole, wind-power electricity generation, high voltage power transmission support member, specifically a kind of manufacturing process of all composite material lattice pile.
Background technology
China's traditional structural materials adopts cement, steel etc. mostly, guarantees for Urbanization in China and large-scale basis Facilities Construction provide solid goods and materials.But, no matter be steel or concrete, all be a kind of material of energy consumption, and polluted environment to a great extent, environmental ecology is caused certain influence.In addition, the early stage many object of construction production that adopt steel and concrete constructions, especially large foundation Facilities Engineering Items, because the problem in its durability and application life has appearred influencing in a variety of causes, a large amount of maintenances and reinforcing expense expenditure make people recognize the importance of engineering structures durability.Under such background; since the 90's of last century; for to the saving of limited resources with to the continuous enhancing of environmental protection consciousness, sustainable development becomes the grand strategy target of government, and forms the notion of " sustainability engineering " and " green engineering " gradually.Based on this target, development of new is energy-conservation, ecological, environmental protective, high performance structures material are imperative.By fibrous material mix by a certain percentage with matrix material and the high-performance new material composite material that is compounded to form through certain technology since coming out the forties in 20th century, be widely used in fields such as Aeronautics and Astronautics, boats and ships, automobile, chemical industry, medical science and machineries.
In recent years, composite material is high-strength with it, lightweight, advantage such as corrosion-resistant, and beginning is applied in building and building engineering structure, and is subjected to the extensive concern of engineering circle.Though fibre reinforced composites tensile strength is higher, there is the lower weakness of rigidity simultaneously, and is subjected to the restriction of economic condition.Therefore if will be implemented in large-scale application in the civil engineering, also need fibre reinforced composites are combined with other materials, intensity and the rigidity by innovation structure and moulding process raising member, reduce cost.
Summary of the invention
It is low to the objective of the invention is the rigidity that exists at existing composite material pile, makes complicated problems, improves a kind of rigidity height, preparation is simple, need not the manufacturing process of all composite material lattice pile that main equipment can be shaped fast.
Technical scheme of the present invention is.
A kind of manufacturing process of all composite material lattice pile is characterized in that it may further comprise the steps:
The first step according to the shape of the pile of final shaping, is decomposed into some simple columns (as triangle, trapezoidal, rectangle, square, fan-shaped or shape that arch and polygon etc. are convenient to process) with it;
Second step, with light-weight filler be processed into above-mentioned decomposition after the shape that is complementary of each column and with cloth its surface is all wrapped up, obtain inclusion enclave;
The 3rd step was combined into a consistent assembly unit body of pile with final shaping with each inclusion enclave, and reprocess fibre cloth is wrapped to form an integral body with the assembly unit body;
The 4th step was rolled into whole assembly unit body and packs in the shaping dies above-mentioned, and perforate is carried out vacuum and imported the resin impregnation setting on mould, and the cloth that obtains with parcel is the composite material lattice pile of lattice body.
Some simple columns can be resolved in the pile cross section arbitrarily, in shaping dies that the assembly unit body that is rolled into integral body more than two or two is packed into, the setting of vacuum importing resin impregnation is carried out in perforate on mould, and the cloth that can obtain with vertical parcel is that the cloth that lattice body, end face wrap up is the composite material lattice pile of diaphragm.
Described cloth is carbon fiber, glass fiber, basalt fibre or aramid fiber.
Described light-weight filler is foam or timber.
The shape of cross section of the described column that is decomposed to form is triangle, trapezoidal, rectangle, square, fan-shaped or arch and polygonal assembly.
Details are as follows:
(1) pile structure of the present invention can be made up of block-shaped simple one or more layers cloth of light-weight filler outsourcing, and cloth can be carbon fiber, glass fiber, basalt fibre, aramid fiber etc., and core can be foam or timber.The cross section of arbitrary form all can be with being divided into the rectangle of simple shape, trapezoidal, triangle etc., so that moulding.
(2) each piece is wrapped in core composition octagon, circle, the square equal cross-section of cloth, and in outside, cross section one or more layers cloth of whole parcel, put into mould, the vacuum importing is carried out in perforate on mould, and each core and cloth are integral by resin impregnation.
(3) in order to improve the globality of member, for the pile of growing (as: above 2 meters), certain-length (as: 1 meter) core of every section parcel cloth is formed the cross section by designing requirement, wrap up in cloth outside the cross section and put into mould, after vacuum imports resin, at the segmentation place formation fiber reinforcement diaphragm of every meter core.
(4) by the vacuum introducing technology, this member has all formed lattice in the junction of core and core, has improved the globality and the intensity of member.The thickness of lattice can design according to force request, changes by the number of plies and the thickness that wraps up cloth, and the cloth of cross section external surface parcel can be more than the cloth of inner core parcel, to improve the durability of cross section external surface in corrosive environment.
(5) this lattice pile also can be designed to have certain degree of pulling out that pushes away, and top cross-section is less than the bottom section, as products such as electric poles.
If will also can after the lattice moulding, core be taken out,, form composite constraining concrete lattice pile with the template of lattice as concrete pouring with this pile as heavily loaded supporting member.
Beneficial effect of the present invention:
1. all composite material lattice pile that proposes of the present invention, composite material light, high-strength, corrosion resistant characteristics have been made full use of, its deadweight of lattice pile that with the polyurethane foam is core has only concrete 1/10,1/36 of steel, it is concrete 1/5 with the paulownia wood to be that the lattice pile deadweight of core has only, 1/17 of steel.Therefore it can be used as mountain road bridge bearing pile, electric pole, wind-power electricity generation support bar and the bridge repairing rush construction in wartime that the transport crane tool is difficult to arrive.
2. fibrage can adopt and mix or the laying of single fiber multi-angle, and the lattice layer thickness can design according to concrete force request.Each piece wraps up fibrolaminar core and becomes integral body by the resin impregnation that vacuum imports, and has improved the intensity and the rigidity in cross section.
3. the preparation technology of the present invention's proposition implements conveniently, and need not large-scale extruding equipment is plastic various complex cross-sectional.
Description of drawings
Fig. 1 utilizes the cross section of the inventive method preparation to be the schematic diagram of solid octagonal complete compound lattice pile.
Fig. 2 is the longitudinal sectional view of the pile of Fig. 1.
Fig. 3 is the schematic cross-section that all utilizes the pile of the present invention that the triangle spliceosome is spliced to form.
Fig. 4 is the sectional schematic diagram of circular pile of the present invention.
Fig. 5 is the sectional schematic diagram of the pile of rectangle of the present invention.
Fig. 6 is the sectional schematic diagram of the octagon pile of hollow of the present invention.
Fig. 7 is the structural representation of part assembly unit body of the present invention.
Fig. 8 is the square body schematic diagram for the treatment of the pile that vacuum imports that matches with Fig. 1.
Fig. 9 is the perspective view after pile shown in Figure 8 is shaped.
Figure 10 has the pile structural representation of tapering once.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
Shown in Fig. 1,7,8,9.
A kind of manufacturing process of octagon all composite material lattice pile, it may further comprise the steps:
The first step, the shape according to the pile of final shaping is decomposed into it by being four cuboids, four
Individual triangle body and the column that square is formed, as shown in Figure 1;
Second step, with light-weight filler 2(foam or timber) be processed into four cuboids consistent with above-mentioned shape, four triangle bodies and squares and can be carbon fiber, glass fiber, basalt fibre or aramid fiber with cloth 3() setting is wrapped up on its surface respectively obtain nine intermediates altogether, the shape of each intermediate is as shown in Figure 7;
The 3rd step, nine columns that aforementioned parcel is shaped are combined into a consistent assembly unit body of pile with final shaping, reprocess fibre cloth 1(can be carbon fiber, glass fiber, basalt fibre or aramid fiber) the assembly unit body is wrapped to form an integral body, as shown in Figure 8;
The 4th step, be rolled into whole assembly unit body and pack in the shaping dies above-mentioned, vacuum importing epoxy resin (also can be resins commonly used such as polyurethane resin) dipping setting is carried out in perforate on mould, epoxy resin is infiltrated in the light-weight filler and with the fixed shaping of cloth, the cloth 1 that obtains with parcel is the composite material lattice pile of lattice body, as shown in Figure 9.
Pile for length long (length that surpasses core), the pile cross section can be resolved into some simple columns, pack in the shaping dies being rolled into assembly unit body shown in Figure 8 more than two or two, the setting of vacuum importing resin impregnation is carried out in perforate on mould, the cloth 1 that can obtain with vertical parcel is that the cloth that lattice body, end face wrap up is the composite material lattice pile of diaphragm 4, as shown in Figure 2.
Described vacuum importing of present embodiment and dipping temperature are all same as the prior art.
Present embodiment prepares the pile weight of gained and has only 1/10 of ordinary concrete member, 1/36 of steel member, and tensile strength and steel are approaching, are that the lattice pile compressive strength of core and C25 and the concrete axial compressive strength of C30 are approaching with the Balsa cork wood.
Embodiment two.
As shown in Figure 3.
Present embodiment is to form octagonal assembly unit body with the difference of embodiment one and all adopts identical triangle cylinder (totally 8) assembled, and each face of each triangle cylinder all wraps up with cloth.
Embodiment three.
Shown in Fig. 4,7.
The difference of present embodiment and embodiment one be finally the to be shaped circle that forms of pile, this circle is made up of a square, four fan-shaped (Fig. 7 e) and four special-shaped cylinders that are spliced into by arch and gengon (Fig. 7 d).
Embodiment four.
As shown in Figure 5.
The difference of present embodiment and embodiment one the forming of pile that be finally to be shaped is square, and this is square to be spliced by nine squares.
Embodiment five.
Shown in Fig. 6,7.
What the difference of present embodiment and embodiment one was finally to be shaped pile is the anistree opening structure in center, and it is spliced by identical eight prismatoids (as Fig. 7 c).
Embodiment six.
As Figure 10.
The difference of present embodiment and embodiment one is the tapered structure of whole pile body.
The performance that experiment showed, the pile of implementing two～embodiment is the same with embodiment, and its combination property all improves a lot on year-on-year basis.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (5)
1. the manufacturing process of an all composite material lattice pile is characterized in that it may further comprise the steps:
The first step, the shape according to the pile of final shaping is decomposed into some columns with it;
Second step, with light-weight filler be processed into above-mentioned decomposition after the shape that is complementary of each column and with cloth its surface is all wrapped up, obtain inclusion enclave;
The 3rd step was combined into a consistent assembly unit body of pile with final shaping with each inclusion enclave, and reprocess fibre cloth is wrapped to form an integral body with the assembly unit body;
The 4th step was rolled into whole assembly unit body and packs in the shaping dies above-mentioned, and perforate is carried out vacuum and imported the resin impregnation setting on mould, and the cloth that obtains with parcel is the composite material lattice pile of lattice body.
2. the manufacturing process of all composite material lattice pile according to claim 1, it is characterized in that some simple columns are resolved in the pile cross section arbitrarily, pack in the shaping dies being rolled into whole assembly unit body more than two or two, the setting of vacuum importing resin impregnation is carried out in perforate on mould, and the cloth that obtains with vertical parcel is that the cloth that lattice body, end face wrap up is the composite material lattice pile of diaphragm.
3. the manufacturing process of all composite material lattice pile according to claim 1 is characterized in that described cloth is carbon fiber, glass fiber, basalt fibre or aramid fiber.
4. the manufacturing process of all composite material lattice pile according to claim 1 is characterized in that described light-weight filler is foam or timber.
5. the manufacturing process of all composite material lattice pile according to claim 1, the shape of cross section that it is characterized in that the described column that is decomposed to form are triangle, trapezoidal, rectangle, square, fan-shaped or arch and polygonal assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010227333 CN101892660A (en) | 2010-07-15 | 2010-07-15 | Method for forming all composite material lattice pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010227333 CN101892660A (en) | 2010-07-15 | 2010-07-15 | Method for forming all composite material lattice pile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071676A (en) * | 2010-12-24 | 2011-05-25 | 南京工业大学 | Composite material sheet pile and preparation method thereof |
| CN103806445A (en) * | 2014-03-10 | 2014-05-21 | 威海市水利岩土工程有限公司 | High-performance low-prestress concrete solid square pile |
| CN103878994A (en) * | 2014-04-14 | 2014-06-25 | 北京建筑大学 | FRP (fiber reinforced plastic) aerated concrete composite plate and preparation method thereof |
| CN105960491A (en) * | 2014-01-17 | 2016-09-21 | 皇家胶粘剂及密封剂加拿大有限公司 | Polyurethane foam in foundation footings for load-bearing structures |
| CN107932655A (en) * | 2017-12-20 | 2018-04-20 | 湖北康欣新材料科技有限责任公司 | A kind of timber structure more rib hollow cylinders and its production method |
| CN113525431A (en) * | 2021-07-30 | 2021-10-22 | 常州市新创智能科技有限公司 | Anti-bending carbon fiber beam and manufacturing method thereof |
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|---|---|---|---|---|
| US4007075A (en) * | 1973-12-10 | 1977-02-08 | Cascade Pole Company | Method of making a fiberglass pole |
| CN101067343A (en) * | 2007-04-10 | 2007-11-07 | 南京工业大学 | Grid structural reinforced composite material sandwich structure |
| CN101220698A (en) * | 2007-01-12 | 2008-07-16 | 北京格物创道科技发明有限公司 | Composite material support pole |
| CN101305143A (en) * | 2005-09-23 | 2008-11-12 | Sika技术股份公司 | Tower construction |
| CN101509226A (en) * | 2009-02-26 | 2009-08-19 | 南京工业大学 | Composite material lattice sandwich tube restriction concrete foot stall with buffering energy-absorbing function |
-
2010
- 2010-07-15 CN CN 201010227333 patent/CN101892660A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007075A (en) * | 1973-12-10 | 1977-02-08 | Cascade Pole Company | Method of making a fiberglass pole |
| CN101305143A (en) * | 2005-09-23 | 2008-11-12 | Sika技术股份公司 | Tower construction |
| CN101220698A (en) * | 2007-01-12 | 2008-07-16 | 北京格物创道科技发明有限公司 | Composite material support pole |
| CN101067343A (en) * | 2007-04-10 | 2007-11-07 | 南京工业大学 | Grid structural reinforced composite material sandwich structure |
| CN101509226A (en) * | 2009-02-26 | 2009-08-19 | 南京工业大学 | Composite material lattice sandwich tube restriction concrete foot stall with buffering energy-absorbing function |
Non-Patent Citations (1)
| Title |
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| 《玻璃钢/复合材料》 20051031 邵劲松等人 碳纤维在土木工程中的应用 , 第5期 2 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071676A (en) * | 2010-12-24 | 2011-05-25 | 南京工业大学 | Composite material sheet pile and preparation method thereof |
| CN105960491A (en) * | 2014-01-17 | 2016-09-21 | 皇家胶粘剂及密封剂加拿大有限公司 | Polyurethane foam in foundation footings for load-bearing structures |
| CN103806445A (en) * | 2014-03-10 | 2014-05-21 | 威海市水利岩土工程有限公司 | High-performance low-prestress concrete solid square pile |
| CN103806445B (en) * | 2014-03-10 | 2015-11-11 | 威海市水利岩土工程有限公司 | High-performance lower-prestressed concrete solid square pile |
| CN103878994A (en) * | 2014-04-14 | 2014-06-25 | 北京建筑大学 | FRP (fiber reinforced plastic) aerated concrete composite plate and preparation method thereof |
| CN107932655A (en) * | 2017-12-20 | 2018-04-20 | 湖北康欣新材料科技有限责任公司 | A kind of timber structure more rib hollow cylinders and its production method |
| CN113525431A (en) * | 2021-07-30 | 2021-10-22 | 常州市新创智能科技有限公司 | Anti-bending carbon fiber beam and manufacturing method thereof |
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Application publication date: 20101124 |