CN208633382U - A kind of bamboo matter gluing box beam - Google Patents
A kind of bamboo matter gluing box beam Download PDFInfo
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- CN208633382U CN208633382U CN201820520350.4U CN201820520350U CN208633382U CN 208633382 U CN208633382 U CN 208633382U CN 201820520350 U CN201820520350 U CN 201820520350U CN 208633382 U CN208633382 U CN 208633382U
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- box beam
- bamboo
- web
- lower flange
- flange
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Abstract
The utility model discloses a kind of bamboo matter gluing box beams, including top flange (1), lower flange (2), web (3), ribbed stiffener (4), adhesive (5), nail (6) and water-repellent paint (7), it is characterized in that web (3) is located at the side of top flange (1) and lower flange (2), top flange (1) is located at the top surface of box beam, lower flange (2) is located at the bottom surface of box beam, web (3), top flange (1) is connected with lower flange (2) by adhesive, ribbed stiffener (4) is set to box beam end, it is held out against with lower flange (2), and it is fitted closely with web (3), it is connected by nail (6), water-repellent paint (7) is painted on box beam surface.The advantages of the utility model: greatly improved the cross sectional moment of inertia of beam, have the characteristics that high-strength light, rigidity are big, durability is good and good working ductility, and alternative raw bamboo beam, heavy bamboo beam and wooden frame are applied to flexural member wooden, in bamboo structure field.
Description
Technical field
The utility model belongs to civil engineering structure field, and in particular to a kind of modern times bamboo structure house, wooden frame structure
The bamboo matter gluing box beam used with bamboo-wood structure house.
Background technique
The problem of environmental pollution in China is very prominent, green, ecological, low-carbon new with the enhancing of Public environmental attitude
Type construction material will be a trend of civil engineering development in science and technology.Masonry structure and reinforced concrete structure have used largely
The traditional construction materials such as clay is viscous, steel and cement, consume a large amount of energy and non-renewable resources, release a large amount of greenhouse
Gas and toxic gas, while generating a large amount of waste water, discarded and waste residue.The development of construction industry is largely with energy
Consume excessively and the environmental pollution in source, resource are what cost was realized.Meanwhile masonry structure and reinforced concrete structure from it is great,
It is easy to crack, a large amount of building waste can be generated after dismounting.In order to reduce the dependences of viscous to clay steel and cement, energy conservation and environmental protection,
Reproducible green building material is increasingly subject to the favor of people.
Bamboo structural building has the characteristics that anti-seismic performance is good and has a small load on the environment, and application range is constantly opened up
Exhibition.Raw bamboo beam and heavy bamboo beam are one of most common basic building blocks in Bamboo structural building, are found in its use process, exist with
Lower problem: (1) without obvious sign before raw bamboo beam and heavy bamboo beam are destroyed, typical brittle break feature is shown；(2) heavy bamboo
Elasticity modulus is not high, bamboo beam as flexural member design when often by section stiffness reliability design, and press Intensity Design when
3~5 times when bamboo joist support loading capability is by rigidity Design, the significant wastage of material is caused, it is less economical；(3) raw bamboo and again
The Transverse Shear Strength of bamboo is not high, and material discrete is larger, and material is uneven；(4) it is limited by existing processing technology, heavy bamboo
Maximum length is no more than 2m, and that causes heavy bamboo beam uses critical constraints；(5) raw bamboo is lateral stressed poor, easy to crack, durability
Difference.More importantly China possesses bamboo timber resource extremely abundant, bamboo has that intensity is high, growth is fast and good toughness etc. is excellent
Point may replace common broad-leaved wood and softwood, have a wide range of applications.It is applied to engineering for bamboo wood as main building materials
Field is benefited the nation and the people, and realizes that " wood substituted by bamboo " advantageously reduces the dependence to traditional building materials such as steel, cement and clay bricks.
The deformability and mechanical property for how improving bamboo beam are that it is faced in Bamboo structural building application
Problem, bamboo wood are the bamboo chips that fast-growing, short-period moso bamboo are processed into certain specification, drying to moisture content 8%~12%,
The dimension stock in the rectangular section of equidirectional glued by bamboo sheet had into elasticity modulus height, mechanical strength height, Yi Jia by adhesive again
The characteristics of work.Compared to rectangular section bamboo Liang Eryan, bamboo matter gluing box beam possesses higher bearing capacity, better deformation performance
And good ductile performance, it is an effective important channel for solving to restrict the development of ecological environment-friendly type Bamboo structural building, market
Application prospect is very wide.
Utility model content
Purpose to be solved in the utility model is intended to overcome existing raw bamboo beam and heavy bamboo joist support loading capability is low, ductility is poor and
The disadvantages of deformation performance is poor provides the bamboo matter gluing that a kind of mechanical property is good, low in cost, structure is simple and energy saving and environment friendly
Box beam can be used as floor beam and roof girder be applied to timber buildings, Bamboo structural building to replace raw bamboo beam and heavy bamboo beam
And in bamboo and wood composite structure.
In the present invention, bamboo matter gluing box beam includes top flange, lower flange, web, ribbed stiffener, adhesive, nail
Son and water-repellent paint.Wherein: top flange is located at the top of box beam, undertakes compression；Lower flange is located at box beam bottom, undertakes drawing and answers
Power, web are located at the two sides of box beam, mainly undertake shear stress；Web is connected by adhesive with nail with the upper and lower edge of a wing.
The solution of the utility model: it includes top flange, web, nail, adhesive, lower flange and ribbed stiffener.Institute
The two sides that case word beam is symmetrically arranged in the edge of a wing by two blocks of webs are stated, web is connect with the edge of a wing by adhesive and nail.In beam two
Ribbed stiffener is arranged in end, and ribbed stiffener is held out against with lower flange, passes through adhesive connection and nail phase between ribbed stiffener and two blocks of webs
Even.
The basic principle of the utility model is as follows: web is arranged in box beam side, and height is slightly below box beam height, mainly
Undertake the shearing force that box beam is undertaken；Top flange is placed at the top of box beam, mainly undertakes pressure caused by moment of flexure；Lower flange is placed in
Box beam bottom, pulling force caused by resist torque；Ribbed stiffener is placed in box beam end, improves local buckling's ability of web.Bamboo wood
The ratio of strength to weight with higher, preferable elasticity and toughness, web anti-shear ability with higher, cheap cost pass through glue
Stick organically combines 5 kinds of materials, gives full play to respective advantage, has widened bamboo matter gluing box beam in industrial building and civilian
Application range in building.
The bamboo matter gluing box beam, web are located at edge of a wing two sides, suppress shape with top flange and lower flange by cementing
It is integral.
The ribbed stiffener is located at box beam end, and bottom surface holds out against lower flange, and ribbed stiffener top surface is not contacted with top flange bottom surface,
It is spaced 10mm, ribbed stiffener is connect by adhesive with web.
The water-repellent paint is painted on box beam surface, with endurance qualities such as the moisture-proof anticorrosives that improves box beam.
In the utility model, web is tilted relative to upper and lower edge of a wing plate face, and described 4 corners in the upper and lower edge of a wing are also corresponding
It tilts and carries out fillet processing.
In the utility model, top flange, lower flange are all made of bamboo wood, and the web uses bamboo slab rubber, described to put more energy into
Rib uses bamboo slab rubber.
In the utility model, structure glue connection is used between two coxostermums and the upper and lower edge of a wing, while being reinforced with nail.
In the utility model, two pieces of ribbed stiffeners of beam-ends are connect between web with nail respectively, and nail quantity is 4.
The utility model overcomes some known disadvantages of raw bamboo beam and heavy bamboo beam, and bamboo matter gluing box beam has following
Significant effect:
(1) bamboo matter gluing box beam section greatly improves the cross sectional moment of inertia of bamboo beam, so as to effectively improve beam
The rigidity of component thoroughly changes the poor unfavorable situation of beam rigidity；
(2) bamboo wood is configured at tensile region and the compressive region of box beam, and it is strong can to give full play to the higher tension of bamboo wood
Degree and compression strength, and beam mechanical property discreteness and brittle failure mode are greatly improved, fault in material is reduced to beam
The influence of element bearing capacity；
(3) raw material of bamboo slab rubber web is that 3~5 years raw major diameter moso bamboos are matched through industrializing the structural panel being process
It sets in box beam two sides, the higher shear-carrying capacity of bamboo slab rubber can be given full play to, cheap cost can reduce the cost of box beam；
(4) relative to masonry structure and reinforced concrete structure, the production of bamboo matter gluing box beam and process environment are dirty
It contaminates small, reduces the usage amount of non-renewable resources, reduce the energy-output ratio in use process；Relative to timber structure, hold
Loading capability is bigger, and span ability is stronger, and ductility and automatic recovery ability are more preferable；Relative to bamboo structure, ductility is more preferable, and cost is lower
It is honest and clean, it is self-possessed lighter.
(5) bamboo is a kind of renewable resource, and growth cycle is shorter than timber, more energy conservation and environmental protection.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.
Fig. 1 is the structural schematic diagram that the utility model is implemented
In figure: 1. top flanges, 2. lower flanges, 3. webs, 4. ribbed stiffeners, 5. adhesive, 6. nails, 7. water-repellent paints
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.As shown in Figure 1, the utility model provides a kind of bamboo matter gluing box beam, by upper
The edge of a wing, lower flange, ribbed stiffener, web, adhesive, nail and 7 part of water-repellent paint composition, are pressed into bamboo matter box beam jointly.?
In the component, adhesive is painted on the side of top flange, lower flange and web in advance, to guarantee upper and lower flange plate and web
Cohesive force.Ribbed stiffener is configured at box beam both ends, and adhesive is painted on the side of ribbed stiffener in advance, plays in pressing process cementing
Effect.The bottom surface of ribbed stiffener is held out against with lower flange, and bottom surface distance of the upper top surface of ribbed stiffener apart from top flange is 1cm, quite
Ribbed stiffener in steel i-steel component, to greatly improve the resistance unstability ability of web part.After the completion of box beam compacting,
Its external coating water-repellent paint, number are no less than 2 times.
Fig. 1 is the box beam enhanced using web of the ribbed stiffener to beam end, and bottom surface and the lower flange of ribbed stiffener are held out against,
It is slightly below top flange using the top surface of ribbed stiffener to improve the anti-shearing bearing capacity of bamboo glue web.
In a kind of bamboo matter box beam component as described above, upper and lower flange plate should select 3~5 years raw major diameter moso bamboos for original
Material, the bamboo wood being process through techniques such as sawing, boiling, charing, drying, chip select, assembly gluings, flange plate it is aqueous
Rate preferably controls below 15%.Web through sawing, boiling, charing, is done mainly using 3~5 years raw major diameter moso bamboos as raw material
A kind of structural panel made of dry, sizing, orienting spreading and hot pressing, bamboo curtain splint with a thickness of 1mm, moisture content preferably control 12% with
Under, preferably select bamboo plywood.The same web of plate that ribbed stiffener is selected, moisture content preferably control below 12%.The gluing
Agent is crosslinking binder, using epoxide-resin glue, urea-formaldehyde resin adhesive or phenolic resin glue.
For box section component, when compacting, top flange, bottom wing should be selected according to the bearing capacity and rigidity of neutralizing target
The position of the size of edge, web and ribbed stiffener, ribbed stiffener is controlled by the height of web, top flange, lower flange, ribbed stiffener and
Adhesive press temperature between web interface takes 15~35 DEG C, and pressure takes 1.5~3MPa, brushes 2 times after the completion of compacting by regulation
Waterproofing agent, then be placed in constant temperature and humidity room and conserved, curing time is 10~15 days.
Embodiment 1: taking that 9mm is thick, bamboo slab rubber of 230mm high is as web, takes the bamboo wood conduct of 40mm high, 60mm wide
The edge of a wing, takes that 90mm wide, 15mm be thick, bamboo slab rubber of 150mm high is as ribbed stiffener, the nail of web and top flange, web and lower flange
Spacing is 200mm, Nian Jie with adhesive between web and the edge of a wing and reinforced with nail, is connected between web and ribbed stiffener with nail
It connects.Finished product box depth of beam is 240mm high, length 2440mm.
Embodiment 2: taking that 12mm is thick, bamboo slab rubber of 290mm high is as web, takes the bamboo wood work of 40mm high, 80mm wide
For the edge of a wing, take that 90mm wide, 15mm be thick, bamboo slab rubber of 210mm high is as ribbed stiffener, web and top flange, web and lower flange
Nail spacing is 150mm, Nian Jie with adhesive between web and the edge of a wing and reinforced with nail, is connected between web and ribbed stiffener with nail
It connects.Finished product box depth of beam is 300mm high, length 3660mm.
Embodiment 3: taking that 15mm is thick, bamboo slab rubber of 340mm high is as web, takes the bamboo wood work of 60mm high, 120mm wide
For the edge of a wing, take that 90mm wide, 15mm be thick, bamboo slab rubber of 220mm high is as ribbed stiffener, web and top flange, web and lower flange
Nail spacing is 100mm, Nian Jie with adhesive between web and the edge of a wing and reinforced with nail, is connected between web and ribbed stiffener with nail
It connects.Finished product box depth of beam is 350mm high, length 4880mm.
Embodiment 4: taking that 25mm is thick, bamboo slab rubber of 400mm high is as web, takes the bamboo wood work of 80mm high, 180mm wide
For the edge of a wing, take that 90mm wide, 15mm be thick, bamboo slab rubber of 230mm high is as ribbed stiffener, web and top flange, web and lower flange
Nail spacing is 100mm, Nian Jie with adhesive between web and the edge of a wing and reinforced with nail, is connected between web and ribbed stiffener with nail
It connects.Finished product box depth of beam is 350mm high, length 6100mm.
Claims (9)
1. a kind of bamboo matter gluing box beam, including top flange (1), lower flange (2), web (3), ribbed stiffener (4), adhesive (5),
Nail (6) and water-repellent paint (7), it is characterised in that web (3) is located at the side of top flange (1) and lower flange (2), top flange
(1) it is located at the top of box beam, lower flange (2) are located at the lower part of box beam, and ribbed stiffener (4) is set to beam-ends, push up with lower flange (2)
Tightly, and with web (3) it fits closely, water-repellent paint (7) is painted on box beam surface.
2. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that the top flange (1) and lower flange
(2) Ying Xuanyong 3~5 years raw major diameter moso bamboos are as raw material, and through industrializing the bamboo wood being process, moisture control exists
12% or less.
3. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that the web (3) is located at top flange
(1), the two sides of lower flange (2), symmetrical arrangement are connected by adhesive (5) and nail (6), and the top surface of web (3) is low
In top flange (1) top surface 5mm, the bottom surface of web (3) is apart from lower flange (2) bottom surface 5mm.
4. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that described ribbed stiffener (4) Ying Xuanyong 3
~5 years raw major diameter moso bamboos cut into the thin bamboo curtain splint with a thickness of 1mm as raw material, through industrializing the bamboo curtain splint glue being process
Plywood, moisture content are no more than 12%.
5. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that the ribbed stiffener (4) and lower flange
(2) it fits closely, the distance between ribbed stiffener (4) top surface and top flange bottom surface are 10mm.
6. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that the ribbed stiffener (4) is in left and right pair
Claim arrangement, beam-ends is respectively set two pieces, and is connected respectively with web (3) by nail (6).
7. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that the adhesive (5) should select friendship
Connection type adhesive, using epoxide-resin glue, urea-formaldehyde resin adhesive or phenolic resin glue.
8. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that described nail (6) surface should carry out
Zinc-plated processing, using wire nail or spiral nail.
9. a kind of bamboo matter gluing box beam according to claim 1, it is characterised in that the bamboo matter gluing box beam table
Face sprays water-repellent paint (7), using oils coating, oil-soluble coating or water soluble paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520350.4U CN208633382U (en) | 2018-04-05 | 2018-04-05 | A kind of bamboo matter gluing box beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520350.4U CN208633382U (en) | 2018-04-05 | 2018-04-05 | A kind of bamboo matter gluing box beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208633382U true CN208633382U (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520350.4U Expired - Fee Related CN208633382U (en) | 2018-04-05 | 2018-04-05 | A kind of bamboo matter gluing box beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208633382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331253A (en) * | 2018-04-05 | 2018-07-27 | 南京林业大学 | A kind of bamboo matter gluing box beam |
-
2018
- 2018-04-05 CN CN201820520350.4U patent/CN208633382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331253A (en) * | 2018-04-05 | 2018-07-27 | 南京林业大学 | A kind of bamboo matter gluing box beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Boke New Material Industry Research Institute Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000283 Denomination of utility model: Bamboo glued box beam Granted publication date: 20190322 License type: Common License Record date: 20191119 Assignee: Suqian De Wei new material Co., Ltd Assignor: Nanjing Forestry University Contract record no.: X2019320000282 Denomination of utility model: Bamboo glued box beam Granted publication date: 20190322 License type: Common License Record date: 20191119 Assignee: Suqian Dewei Fiberglass Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000281 Denomination of utility model: Bamboo glued box beam Granted publication date: 20190322 License type: Common License Record date: 20191119 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20200405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |