CN2804229Y - Reinforced composite wood member for building structure - Google Patents
Reinforced composite wood member for building structure Download PDFInfo
- Publication number
- CN2804229Y CN2804229Y CN 200520071980 CN200520071980U CN2804229Y CN 2804229 Y CN2804229 Y CN 2804229Y CN 200520071980 CN200520071980 CN 200520071980 CN 200520071980 U CN200520071980 U CN 200520071980U CN 2804229 Y CN2804229 Y CN 2804229Y
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- Prior art keywords
- building structure
- timber
- frp plate
- enhancement mode
- wood
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- Expired - Fee Related
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- 239000002023 wood Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims description 33
- 238000003475 lamination Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 abstract 2
- 239000011151 fibre-reinforced plastic Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 1
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a building structure composite wood component of enhancement mode, it is commonly applied to the structural component of housing construction and bridge etc. especially is applied to and strides building structure component greatly, like various cross sectional shape's roof beam, post, board and truss etc.. The composite material is characterized by being formed by gluing high-strength composite wood (2), a glued wood laminate (3) and an FRP (fiber reinforced plastic) plate (4), is a novel composite structure material, and can be used for building an ecological environment-friendly high-performance modern wood structure. The processing technology of the component is simple, the raw materials can be efficiently utilized, the added value of the product is improved, and the application field of the component is widened.
Description
Technical field
The utility model relates to a kind of building structure wood composite member of enhancement mode, and it is widely used in the structural element of building construction and bridge etc., especially is applied to the large span architecture structural element, as beam, post, plate and the truss etc. of various cross sectional shapes.
Background technology
In the world, timber, steel and concrete are three big building structural materials.Many countries are especially in developed country, and timber buildings is quite general.Since the sixties in last century, composite wood has substituted log as structural meterials gradually owing to its superior structural performance, wherein mainly comprise lamination laminated wood (glued laminated timber, be called for short glulam), laminated veneer lumber (laminatedveneer lumber, be called for short LVL) etc., also have the I-beam that forms by the wood cell gummed equally etc.
Because the various defectives of timber are dispersed on each layer unit in this class material, so their intensity variability is little, the permissible stress height; Dimensional stability is good simultaneously; Ability such as moistureproof, anticorrosion, fire-retardant is all very high.
Yet under normal conditions, the destruction of laminated wood flexural member is the tensile failure of fragility often, this mainly is because the defect in timber of tensile region, cross section cause, therefore, recent two decades has carried out big quantity research at the enhancing of this wood composite member abroad, metal bar from the beginning, sheet material, studying many till now is to utilize fibre reinforced composites (fiber reinforced plasticcomposites, be called for short FRP), its main method is that reinforcing material and raw material are effectively made up, make it co-operation, thereby can make full use of the performance of each material.Thus, the application of wooden construction obtains promoting, and new technology makes wooden construction not only be widely used in housing construction in many developed countries, but also is widely used in large public building.
China is owing to the shortage of wildwood resource, and decades built once-interrupted by wooden construction.Yet along with the raising of people's quality of life, wooden construction just is being subjected to more and more general welcome at home, and main at present dependence whole house of import or member satisfy this demand; China's imported timber increases year by year, domestic fast growing wood aboundresources of while, we can utilize modern wood processing technique theoretical with advanced building structure enhancing, these timber resources are processed into the building unit of function admirable, thereby are applied to relatively large wooden construction.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of intensity variability is little, permissible stress is high, dimensional stability good and the building structure wood composite member of the enhancement mode that ability such as moistureproof, anticorrosion, fire-retardant is all very high.
The purpose of this utility model can reach by following measure:
A kind of building structure wood composite member of enhancement mode is characterized in that it is formed by high-strength compound timber 2, glued laminated wood 3 and unidirectional FRP plate 4 gluings.
The purpose of this utility model can also reach by following measure:
Described high-strength compound timber 2, glued laminated wood 3 and unidirectional FRP plate 4 are the gummed of lamination arbitrarily form.
Described unidirectional FRP plate 4 is one deck or glued mutually multilayer FRP sheet material.
Described unidirectional FRP plate 4 also can be unidirectional gluing multilayer FRP sheet material together.
The width of described FRP plate 4 is slightly less than the whole member width.
And described FRP plate 4 gluings are in high-strength compound timber 2 and/or glued laminated wood 3.
Described high-strength compound timber 2 is high-quality timber or laminated veneer lumber LVL (laminatedveneer lumber) or wood chip laminated timber LSL (laminated strand lumber) or the directed laminated timber PSL of strip (parallel strand lumber) etc.
The beneficial effects of the utility model are: can accomplish the big usefulness of small wood, the excellent usefulness of bad material; Can make the structural bearing component such as building, bridge of high-strength light, its process and installation are simple and easy to do, workable; Improve the utilization ratio of timber, improved the physical and mechanical property of material greatly; For timber has been created condition to high added value, high-level product development; Environmental protection and energy saving meet China's strategy of sustainable development; Make the timber buildings of elegance attractive in appearance be rapidly developed again simultaneously in China.
Description of drawings
Fig. 1 utilizes unidirectional FRP plate that the glue laminated wood member tight side is strengthened, utilizes simultaneously the elevation of high-strength compound timber to strengthened by flanging;
Fig. 2 is the elevation that utilizes high-strength compound timber and unidirectional FRP plate that the glue laminated wood member tight side is strengthened;
Fig. 3 utilizes high-strength compound timber and unidirectional FRP plate that the glue laminated wood member tight side is strengthened, utilizes simultaneously the elevation of unidirectional FRP plate to strengthened by flanging;
Fig. 4 utilizes high-strength compound timber and unidirectional FRP plate that the glue laminated wood member tight side is strengthened, utilizes simultaneously the elevation of high-strength compound timber to strengthened by flanging;
Fig. 5 utilizes high-strength compound timber and unidirectional FRP plate to glue laminated wood member tight side, the elevation that strengthened respectively by flanging;
Fig. 6 is the concrete laying sectional view of unidirectional FRP plate between the lamination glued laminated wood;
Fig. 7 is the concrete laying sectional view of unidirectional FRP plate between high-strength compound timber laminate.
The specific embodiment
In the accompanying drawings: 1 is bearing, and 2 is high-strength compound timber, and 3 is glued laminated wood, and 4 is unidirectional FRP plate, and 5 is the bonding adhesive filling tape batten of the gluing of levels veneer (or with).
Load among all figure all is not labeled, and load form can be multiple, as evenly distributed load, point load etc., and all acts on upper surface.
Embodiment one:
A kind of wood composite member, the bonding adhesive filling tape batten of the gluing of levels veneer (or with) 5 that comprises high-strength compound timber 2, glued laminated wood 3, unidirectional FRP plate 4 and side thereof, all material is processed into integrated member by gummed, mainly be to utilize the higher unidirectional FRP plate 4 of intensity that is arranged on tight side to bear part or most pulling force, be subjected to flanging high-strength compound timber 2 to be set simultaneously to reach the purpose of enhancing.Concrete performance is with reference to Fig. 1.
Embodiment two:
A kind of wood composite member, the bonding adhesive filling tape batten of the gluing of levels veneer (or with) 5 that comprises high-strength compound timber 2, glued laminated wood 3, unidirectional FRP plate 4 and side thereof, all material is processed into integrated member by gummed, mainly be to utilize higher high-strength compound timber 2 and the unidirectional FRP plate 4 of intensity that is arranged on tight side to bear part or most pulling force, to reach the purpose of enhancing.Concrete performance is with reference to Fig. 2.
Embodiment three:
A kind of wood composite member, the bonding adhesive filling tape batten of the gluing of levels veneer (or with) 5 that comprises high-strength compound timber 2, glued laminated wood 3, unidirectional FRP plate 4 and side thereof, all material is processed into integrated member by gummed, mainly be to utilize higher high-strength compound timber 2 and the FRP plate 4 of intensity be arranged on tight side to bear part or most pulling force, improve the anti-pressure ability that member is subjected to flanging being subjected to flanging that unidirectional FRP plate 4 is set simultaneously.Concrete performance is with reference to Fig. 3.
Embodiment four:
A kind of wood composite member, the bonding adhesive filling tape batten of the gluing of levels veneer (or with) 5 that comprises high-strength compound timber 2, glued laminated wood 3, unidirectional FRP plate 4 and side thereof, all material is processed into integrated member by gummed, mainly be to utilize higher high-strength compound timber 2 and the unidirectional FRP plate 4 of intensity be arranged on tight side to bear part or most pulling force, improve the anti-pressure ability that member is subjected to flanging being subjected to flanging that high-strength compound timber 2 is set simultaneously.Concrete performance is with reference to Fig. 4.
Embodiment five:
A kind of wood composite member, the bonding adhesive filling tape batten of the gluing of levels veneer (or with) 5 that comprises high-strength compound timber 2, glued laminated wood 3, unidirectional FRP plate 4 and side thereof, all material is processed into integrated member by gummed, mainly be to utilize higher high-strength compound timber 2 and the unidirectional FRP plate 4 of intensity be arranged on tight side to bear part or most pulling force, be subjected to flanging that high-strength compound timber 2 is set and unidirectional FRP plate 4 improves the anti-pressure ability that member is subjected to flanging simultaneously.Concrete performance is with reference to Fig. 5.
In the foregoing description, high-strength compound timber 2 shared whole member depth of sections are looked actual design and need be determined, generally from 15% to 100% do not wait; Glued laminated wood 3 stack numbers also are to determine according to the actual design needs; The unidirectional FRP plate that is adopted is mainly carbon fiber board---be called for short the CFRP plate, also can being glass wool board,---being called for short GFRP plate, aramid fiber plate---be called for short the AFRP plate, specially treated has been passed through on the surface of unidirectional FRP plate, to strengthen the adhesive property of it and timber.Load among all figure all is not labeled, and load form can be multiple, as evenly distributed load, point load etc., and all acts on upper surface.
Processing technology is: make high-strength compound timber 2, glued laminated wood 3 and unidirectional FRP plate 4 at first respectively, then according to the manufacture craft of lamination laminated wood with three kinds of veneers carry out gluing, exert pressure, operation such as cutting edge, polishing.Fig. 6 and Fig. 7 have expressed the detailed paving mode of unidirectional FRP plate 4 in glued laminated wood 3 and high-strength compound timber 2, bonding adhesive filling tape in the cross section batten of the gluing of levels veneer (or with) 5 is arranged on the periphery of unidirectional FRP plate 4, its effect has two: one is in order to prevent that unidirectional FRP plate 4 from exposing, and makes member facade better appearance; Another is the cutting edge of being convenient to member, because if the periphery of unidirectional FRP plate 4 does not have indentation with respect to whole member in manufacturing process, in ensuing cutting edge, will run into the cutting of unidirectional FRP plate 4 so, and utilize general instrument to carry out cutting is very difficult, so be provided with the indentation distance of 2～15mm at the periphery of unidirectional FRP plate 4, consequent breach comes filling by the bonding adhesive filling tape batten of the gluing of levels veneer (or with) 5.
Fig. 6 has also described the position relation of unidirectional FRP plate 4 and adjacent glued laminated wood 3 simultaneously, the external surface of its close member, and between the two-layer laminate on surface.In embodiment one, three, be between the two-layer laminate of member outermost layer.Fig. 7 has described the position relation of unidirectional FRP plate 4 and adjacent high-strength compound timber 2, in embodiment two to five, also is the external surface near member, apart from external surface 15～60mm.
High-strength compound timber 2 of the present utility model and glued laminated wood 3 can adopt the multilayer gluing form as required.
Claims (9)
1, a kind of building structure wood composite member of enhancement mode is characterized in that it is formed by high-strength compound timber (2), glued laminated wood (3) and unidirectional FRP plate (4) gluing.
2, the building structure wood composite member of enhancement mode according to claim 1 is characterized in that described high-strength compound timber (2), glued laminated wood (3) and unidirectional FRP plate (4) are the gummed of lamination arbitrarily form.
3, the building structure wood composite member of enhancement mode according to claim 1 and 2 is characterized in that described unidirectional FRP plate (4) is one deck or glued mutually multilayer FRP sheet material.
4, the building structure wood composite member of enhancement mode according to claim 1 and 2 is characterized in that described unidirectional FRP plate (4) is a unidirectional gluing multilayer FRP sheet material together.
5, the building structure wood composite member of enhancement mode according to claim 1 and 2, the width that it is characterized in that described unidirectional FRP plate (4) is less than the whole member width.
6, the building structure wood composite member of enhancement mode according to claim 3, the width that it is characterized in that described unidirectional FRP plate (4) is less than the whole member width.
7, the building structure wood composite member of enhancement mode according to claim 4, the width that it is characterized in that described unidirectional FRP plate (4) is less than the whole member width.
8, the building structure wood composite member of enhancement mode according to claim 1 and 2 is characterized in that described high-strength compound timber (2) is the directed laminated timber PSL of high-quality timber, laminated veneer lumber LVL, wood chip laminated timber LSL or strip.
9, the building structure wood composite member of enhancement mode according to claim 1 and 2 is characterized in that described FRP plate (4) is glued in high-strength compound timber (2) and/or glued laminated wood (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071980 CN2804229Y (en) | 2005-05-31 | 2005-05-31 | Reinforced composite wood member for building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071980 CN2804229Y (en) | 2005-05-31 | 2005-05-31 | Reinforced composite wood member for building structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2804229Y true CN2804229Y (en) | 2006-08-09 |
Family
ID=36909523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071980 Expired - Fee Related CN2804229Y (en) | 2005-05-31 | 2005-05-31 | Reinforced composite wood member for building structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2804229Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464056C (en) * | 2006-09-08 | 2009-02-25 | 武汉理工大学 | Technique for strengthening boundary face of functional gradient material of shield duct piece by using FRP rib |
| CN103556772A (en) * | 2013-10-16 | 2014-02-05 | 南京工业大学 | Unidirectional orthogonal laminated wood with FRP (fiber reinforced Plastic) longitudinal reinforcement strip |
| CN103556771A (en) * | 2013-10-16 | 2014-02-05 | 南京工业大学 | One-way orthogonal laminated wood with vertically embedded FRP (fiber reinforced Plastic) reinforced laminate |
| CN104120832A (en) * | 2014-08-06 | 2014-10-29 | 河北建筑工程学院 | Pre-stress basalt fiber board composite wood beam and preparation method thereof |
| CN111945984A (en) * | 2020-08-05 | 2020-11-17 | 湖南恒信新型建材有限公司 | Integrated wallboard of interior decoration |
-
2005
- 2005-05-31 CN CN 200520071980 patent/CN2804229Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464056C (en) * | 2006-09-08 | 2009-02-25 | 武汉理工大学 | Technique for strengthening boundary face of functional gradient material of shield duct piece by using FRP rib |
| CN103556772A (en) * | 2013-10-16 | 2014-02-05 | 南京工业大学 | Unidirectional orthogonal laminated wood with FRP (fiber reinforced Plastic) longitudinal reinforcement strip |
| CN103556771A (en) * | 2013-10-16 | 2014-02-05 | 南京工业大学 | One-way orthogonal laminated wood with vertically embedded FRP (fiber reinforced Plastic) reinforced laminate |
| CN104120832A (en) * | 2014-08-06 | 2014-10-29 | 河北建筑工程学院 | Pre-stress basalt fiber board composite wood beam and preparation method thereof |
| CN104120832B (en) * | 2014-08-06 | 2016-05-18 | 河北建筑工程学院 | A kind of preparation method of prestressing force basalt fibre plate combination wooden frame |
| CN111945984A (en) * | 2020-08-05 | 2020-11-17 | 湖南恒信新型建材有限公司 | Integrated wallboard of interior decoration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060809 Termination date: 20120531 |