CN206467897U - A kind of bamboo wood steel pipe concrete combination column - Google Patents
A kind of bamboo wood steel pipe concrete combination column Download PDFInfo
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- CN206467897U CN206467897U CN201720069077.3U CN201720069077U CN206467897U CN 206467897 U CN206467897 U CN 206467897U CN 201720069077 U CN201720069077 U CN 201720069077U CN 206467897 U CN206467897 U CN 206467897U
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- bamboo strip
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 141
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- 239000011425 bamboo Substances 0.000 title claims abstract description 141
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
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- 240000001082 Bambusa multiplex Species 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Rod-Shaped Construction Members (AREA)
Abstract
A kind of bamboo wood steel pipe concrete combination column, it is characterized in that the structure includes being characterized in that the structure includes core concrete (1), steel pipe (2), bamboo wood composite bed (3), external protection coating (4), wherein, the outer wall that bamboo wood composite bed (3) is pasted on steel pipe (2) by longitudinal bamboo strip band (31) and horizontal bamboo strip band (32) by resin glue layering continuous uniform winding is formed, longitudinal bamboo strip band (31) and horizontal bamboo strip band (32) slight overlap joint using bamboo, suture or be woven on lining cloth, per 0.2~2.0mm of thickness degree, the width of bamboo strip band is 10~500mm, core concrete (1) is filled in the inside of steel pipe (2), external protection coating (4) is bonded in the outer wall of bamboo wood composite bed (3), external protection coating (4) uses cement-base composite material, polymer matrix composites, one kind in asphalt-base composite materials.The utility model overcomes the deficiency present in known concrete filled steel tube, delays, postpones the local buckling of steel pipe, improve structural bearing capacity and non-deformability, good endurance, meanwhile, cost is low, environmental protection, resource are renewable, effects of energy saving and emission reduction is notable, economic benefits.
Description
Technical field
The invention belongs to civil engineering structure technical field, and in particular to a kind of concrete combined structure, especially a kind of
Bamboo wood-steel pipe concrete combination column.
Background technology
Domestic and foreign scholars have carried out substantial amounts of research and application, concrete and steel pipe one to concrete filled steel tube for many years
Play pressure-bearing to can be described as most perfectly combining, the model for giving full play to respective characteristic can be can be rated as, while having excellent ductility
Feature.But also identifying concrete filled steel tube has following shortcomings and deficiencies：When steel core concrete column load is larger
When, member section still can now need the thicker steel pipe of wall thickness to be supplied to the clamping force that concrete is enough than larger.Cause
This, steel using amount is still bigger than normal, and the supply channel of major diameter, heavy wall copper pipe is few, if using double-layer pipe, construction is difficult
Degree is larger, if using high strength steel pipe, cost is higher.In addition, steel pipe is chronically exposed in the Korrosionsmediums such as acid rain, seawater
Easy corrosion, durability reduction, causes the bearing capacity of concrete filled steel tube to be remarkably decreased.
For above structure, researcher is also continually developing new structure type, makes every effort to overcome the shortcoming of concrete filled steel tube
With deficiency.Such as Chinese Patent No. " 201020617258.3 " number, a kind of " a kind of FRP- steel pipes concrete column " is disclosed, should
Structure outermost layer is that concrete is filled with FRP- steel pipes, FRP- steel pipes, and although the structure overcomes steel tube concrete
Some shortcomings of soil structure, but FRP used in the structure is fiberglass reinforced plastics, carbon fibre reinforced plastic, basalt
One kind in fibre reinforced plastics, aromatic polyamide fiber reinforced plastics or four kinds of fiber hybrid reinforced plastics, these reinforcing materials are height
The fibre reinforced plastics of energy consumption, consume the petroleum resources of a large amount of preciousnesses, product and waste material be not recyclable.
The present invention provides a kind of bamboo wood-steel pipe concrete combination column, to overcome defect present in prior art, full
The application of sufficient engineering needs.
The content of the invention
It is an object of the invention to provide a kind of bamboo wood-steel pipe concrete combination column, to solve to lift steel tube concrete
The performance of soil structure, improves the stress performance and anti-seismic performance of structure, has well in the adverse circumstances such as humidity, salt-soda soil
The advantages of durability, meanwhile, this structure takes full advantage of China's bamboo resource, and low-carbon environment-friendly, resource is renewable, promotes sustainable
Development.Stake of this structure suitable for newly-built structure, post, bridge pier, arch rib, and the component of existing concrete filled steel tube add
Gu.
Therefore, the present invention provides a kind of bamboo wood-steel pipe concrete combination column, the structure includes core concrete, steel
Pipe, bamboo wood composite bed, external protection coating, wherein, bamboo wood composite bed passes through resin glue by longitudinal bamboo strip band and horizontal bamboo strip band
Layering continuous uniform winding is pasted on the outer wall of steel pipe and formed, longitudinal bamboo strip band and horizontal bamboo strip band using bamboo slight overlap joint,
Suture or be woven on lining cloth, per thickness 0.2~2.0mm of degree, the width of bamboo strip band is 10~500mm, and core concrete is filled out
Fill in the inside of steel pipe, external protection coating is bonded in the outer wall of bamboo wood composite bed, external protection coating uses cement-base composite material, resin
One kind in based composites, asphalt-base composite materials, external protection coating provides for bamboo wood composite bed and further enhances and protect.
Described longitudinal bamboo strip band and the winding number of plies of horizontal bamboo strip band are unrestricted, can be 0 layer, 1 layer or 1 layer
More than, the axis direction of the axis direction of longitudinal bamboo strip band along bamboo wood-steel pipe, the axis direction of horizontal bamboo strip band
Angle between the axis vertical direction of bamboo wood-steel pipe is between -30 ° to 30 °, the axis of the horizontal bamboo strip band of each layer
Direction can be with identical or different, and longitudinal bamboo strip band provides longitudinal anti-bending bearing capacity for structure, and horizontal bamboo strip band is mixed for core
Solidifying soil and steel pipe provide enhancing constraint, delay, postpone the local buckling of steel pipe, slow down the strength deterioration of concrete filled steel tubular member
Process.
Described resin glue is one kind in epoxy resin, vinylite, polyurethane resin.
Described core concrete is self-compaction slightly expanded concrete, and expansion rate is 0.01%~0.04%.
Instant invention overcomes the deficiency present in known concrete filled steel tube, delay, postpone the local buckling of steel pipe,
Improve structural bearing capacity and non-deformability, good endurance, meanwhile, cost is low, environmental protection, resource are renewable, energy-conservation subtracts
Arrange effect significantly, economic benefits.Specifically have the beneficial effect that：
(1) structure of the present invention is the combining structure being made up of bamboo wood, three kinds of different materials of steel pipe and concrete, can be abundant
Play the respective characteristic of constituent material：Bearing capacity of the concrete under three-way axis compressive stress state；Bamboo wood composite bed is to steel pipe
The lasting hoop constraint effect with core concrete；The elastoplasticity of steel pipe makes structure have good axle calenderability.
(2) bamboo wood in structure of the present invention has excellent tensile property, and bamboo wood is wound in outer surface of steel tube, not only can be with
The steel using amount of steel pipe is reduced, the local buckling that steel pipe is produced during axle pressure can also be suppressed, while steel pipe can be used as again
Protective layer, improve structure durability.
(3) bamboo wood-steel pipe in the present invention has larger axial rigidity, structure is had before casting concrete
Certain axial carrying capacity, template when can be poured into a mould directly as concrete is used, and saves the manufacturing cost of template, contracting
The short completion time of project.
(4) present invention takes full advantage of traditional material --- bamboo, bamboo as a kind of reproducible, environmentally friendly resource,
With light weight, high intensity, high rigidity, it is corrosion-resistant, cheap the characteristics of, the present invention play to greatest extent bamboo wood good toughness,
The high material sexual clorminance of longitudinal tensile strength.
Structure of the present invention, takes full advantage of the advantageous feature of the multiple materials such as concrete, steel pipe, bamboo wood, achieves preferably
Combination property, it is adaptable to stake, post in newly-built structure, bridge pier, arch rib, the strengthening member of existing concrete filled steel tube.
Brief description of the drawings：
Fig. 1 is a kind of circular cross-sectional configuration schematic diagram of bamboo wood-steel pipe concrete combination column；
Fig. 2 is a kind of oval cross section structural representation of bamboo wood-steel pipe concrete combination column；
Fig. 3 is longitudinal bamboo strip band schematic diagram in a kind of bamboo wood-steel pipe concrete combination column；
Fig. 4 is horizontal bamboo strip band schematic diagram in a kind of bamboo wood-steel pipe concrete combination column；
In 1~accompanying drawing of accompanying drawing 4,1 it is core concrete, 2 is steel pipe, 3 is bamboo wood composite bed, 4 is external protection coating, 31 is
Longitudinal bamboo strip band, 32 are horizontal bamboo strip band.
Embodiment：
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair
Bright embodiment.The present invention provides a kind of bamboo wood-steel pipe concrete combination column, and the structure includes core concrete
1st, steel pipe 2, bamboo wood composite bed 3, external protection coating 4, wherein, bamboo wood composite bed 3 is by longitudinal bamboo strip band 31 and horizontal bamboo strip band
32 outer walls for being pasted on steel pipe 2 by resin glue layering continuous uniform winding are formed, longitudinal bamboo strip band 31 and horizontal bamboo strip
Band 32 is slightd overlap joint, is sutured or be woven on lining cloth using bamboo, per thickness 0.2~2.0mm of degree, and the width of bamboo strip band is 10~
500mm, core concrete 1 is filled in the inside of steel pipe 2, and external protection coating 4 is bonded in the outer wall of bamboo wood composite bed 3, external protection coating 4
Using one kind in cement-base composite material, polymer matrix composites, asphalt-base composite materials.
Described longitudinal bamboo strip band 31 and the winding number of plies of horizontal bamboo strip band 32 are unrestricted, can be 0 layer, 1 layer
Or more than 1 layer, the axis direction of the axis direction of longitudinal bamboo strip band 31 along bamboo wood-steel pipe, horizontal bamboo strip band 32
Axis direction and bamboo wood-steel pipe axis vertical direction between angle between -30 ° to 30 °, the horizontal bamboo of each layer is slightd
The axis direction of band 32 can be with identical or different.
Described resin glue is one kind in epoxy resin, vinylite, polyurethane resin.
Described core concrete 1 is self-compaction slightly expanded concrete, and expansion rate is 0.01%~0.04%.
The preparation method of bamboo wood composite bed 3：
(1) mao bamboon is split into bamboo to slight, degreasing, cleaning, drying simultaneously control moisture content, slight bamboo connect into one with lining cloth afterwards
The continuous bamboo strip band of bar, 0.2~2.0mm of thickness, bamboo strip 10~500mm of bandwidth, connected mode can be bonding, seam
Close, weave etc.；
(2) by above-mentioned bamboo strip band rolled, referring to accompanying drawing 3, it is coiled after bamboo strip band in cylinder, bamboo strip band
Bamboo slights bamboo fibre direction to roll direction；
(3) bamboo of bamboo strip band is slightd into axis direction of the bamboo fibre direction along bamboo wood-steel pipe to lay, ring winding
Paste and wind longitudinal bamboo strip band 31；
(4) bamboo of bamboo strip band is slightd into the angle between bamboo fibre direction and the axis vertical direction of bamboo wood-steel pipe
Wound between -30 ° to 30 °, that is, wind horizontal bamboo strip band 32；
(5) the winding number of plies of longitudinal bamboo strip band 31 and horizontal bamboo strip band 32 is unrestricted, can be 0 layer, 1 layer or 1
It is more than layer；
(6) resin glue is added in winding, resin glue is by one kind in epoxy resin, vinylite, polyurethane resin
Composition, and so on, is wound to design thickness；
(7) solidify by solidification equipment, the body being cured is subjected to surface polishing and finishing.
External protection coating preparation process：In the outer surface brushing external protection coating 4 of enhancement layer, its use cement-base composite material,
One kind in polymer matrix composites, asphalt-base composite materials.
Embodiment one：
Such as the circular cross-sectional configuration signal of Fig. 1, the present invention a kind of bamboo wood-steel pipe concrete combination column provided
Figure, the structure includes core concrete 1, steel pipe 2, bamboo wood composite bed 3, external protection coating 4, wherein, bamboo wood composite bed 3 is by longitudinal bamboo
Slight band 31 and horizontal bamboo strip band 32 and continuous uniform winding is layered by resin glue is pasted on the outer wall of steel pipe 2 and formed, thin bamboo strips used for weaving
Band is wound using longitudinal bamboo strip band 31 and the combined canoe of horizontal bamboo strip band 32, is first carried out longitudinal bamboo and is slightd
The winding of band 31, winds one layer, then carries out the winding of horizontal bamboo strip band 32, and the winding number of plies is one layer, horizontal bamboo strip
With the angle between 32 axis direction and the axis vertical direction of bamboo wood-steel pipe between -30 ° to 30 °, finally,
The outer surface of bamboo wood composite bed 3 coats external protection coating 4, and core concrete 1 is filled in the inside of body.
Embodiment two：
Such as the oval cross section structural representation of Fig. 2, the present invention a kind of bamboo wood-steel pipe concrete combination column provided
Figure, the structure includes core concrete 1, steel pipe 2, bamboo wood composite bed 3, external protection coating 4, wherein, bamboo wood composite bed 3 is by longitudinal bamboo
Slight band 31 and horizontal bamboo strip band 32 and continuous uniform winding is layered by resin glue is pasted on the outer wall of steel pipe 2 and formed, thin bamboo strips used for weaving
Band is wound using longitudinal bamboo strip band 31 and the combined canoe of horizontal bamboo strip band 32, is first carried out longitudinal bamboo and is slightd
The winding of band 31, winds one layer, then carries out the winding of horizontal bamboo strip band 32, and the winding number of plies is one layer, horizontal bamboo strip
With the angle between 32 axis direction and the axis vertical direction of bamboo wood-steel pipe between -30 ° to 30 °, finally,
The outer surface of bamboo wood composite bed 3 coats external protection coating 4, and core concrete 1 is filled in the inside of body.
It is of the invention compared with existing concrete filled steel tube, FRP- steel pipe concrete structures, improve it is structural
While energy, the bamboo resource of China is taken full advantage of, bamboo wood internal pressure specific strength height, good toughness, longitudinal direction are played to greatest extent
The material sexual clorminance such as tensile strength is high, corrosion-resistant, manufacturing process links are " greens ", environment amenable, and promotion can be held
Supervention exhibition, meets construction " resource-conserving ", the national policy requirement of " environmentally friendly ", simultaneously for vitalizing Chinese bamboo grove
Resource, developing ecology forestry, people's livelihood forestry, solves the problems, such as that agriculture, rural areas and farmers have realistic meaning.
Claims (4)
1. a kind of bamboo wood-steel pipe concrete combination column, it is characterised in that the structure includes core concrete (1), steel pipe
(2), bamboo wood composite bed (3), external protection coating (4), wherein, bamboo wood composite bed (3) is slightd by longitudinal bamboo strip band (31) and horizontal bamboo
Band (32), which is layered continuous uniform winding by resin glue and is pasted on the outer wall of steel pipe (2), to be formed, longitudinal bamboo strip band (31) and
Horizontal bamboo strip band (32) is slightd overlap joint, is sutured or be woven on lining cloth using bamboo, per thickness 0.2~2.0mm of degree, bamboo strip band
Width is 10~500mm, and core concrete (1) is filled in the inside of steel pipe (2), and external protection coating (4) is bonded in bamboo wood composite bed
(3) outer wall, external protection coating (4) is using one in cement-base composite material, polymer matrix composites, asphalt-base composite materials
Kind.
2. a kind of bamboo wood-steel pipe concrete combination column according to claim 1, it is characterised in that longitudinal bamboo strip band
(31) and horizontal bamboo strip band (32) the winding number of plies it is unrestricted, can be 0 layer, 1 layer or more than 1 layer, longitudinal bamboo strip band
(31) axis direction of the axis direction along bamboo wood-steel pipe, axis direction and the bamboo wood-steel of horizontal bamboo strip band (32)
Angle between the axis vertical direction of multiple tube is between -30 ° to 30 °, the axis direction of the horizontal bamboo strip band (32) of each layer
Can be with identical or different.
3. a kind of bamboo wood-steel pipe concrete combination column according to claim 1, it is characterised in that resin glue is epoxy
One kind in resin, vinylite, polyurethane resin.
4. a kind of bamboo wood-steel pipe concrete combination column according to claim 1, it is characterised in that core concrete
(1) it is self-compaction slightly expanded concrete, expansion rate is 0.01%~0.04%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069077.3U CN206467897U (en) | 2017-01-17 | 2017-01-17 | A kind of bamboo wood steel pipe concrete combination column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069077.3U CN206467897U (en) | 2017-01-17 | 2017-01-17 | A kind of bamboo wood steel pipe concrete combination column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206467897U true CN206467897U (en) | 2017-09-05 |
Family
ID=59705958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720069077.3U Expired - Fee Related CN206467897U (en) | 2017-01-17 | 2017-01-17 | A kind of bamboo wood steel pipe concrete combination column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206467897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505685A (en) * | 2018-05-29 | 2018-09-07 | 广东建设职业技术学院 | A kind of half assembly bamboo slab rubber-steel pipe gathers dust concrete of stone powder coupled column and preparation method thereof |
| CN111572647A (en) * | 2020-04-30 | 2020-08-25 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-wound van body and preparation method thereof |
-
2017
- 2017-01-17 CN CN201720069077.3U patent/CN206467897U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505685A (en) * | 2018-05-29 | 2018-09-07 | 广东建设职业技术学院 | A kind of half assembly bamboo slab rubber-steel pipe gathers dust concrete of stone powder coupled column and preparation method thereof |
| CN111572647A (en) * | 2020-04-30 | 2020-08-25 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-wound van body and preparation method thereof |
| CN111572647B (en) * | 2020-04-30 | 2022-04-26 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-wound van body and preparation method thereof |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhenjiang Heng An Civil Technology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000206 Denomination of utility model: Bamboo timber compound pipe concrete combination column of steel Granted publication date: 20170905 License type: Common License Record date: 20181018 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Shuang Dao run Highway Engineering Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000292 Denomination of utility model: Bamboo timber compound pipe concrete combination column of steel Granted publication date: 20170905 License type: Common License Record date: 20181102 |
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