CN112832457B - Built-in vertical steel plate reinforced recombined bamboo beam and preparation method thereof - Google Patents
Built-in vertical steel plate reinforced recombined bamboo beam and preparation method thereof Download PDFInfo
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- CN112832457B CN112832457B CN202110193186.7A CN202110193186A CN112832457B CN 112832457 B CN112832457 B CN 112832457B CN 202110193186 A CN202110193186 A CN 202110193186A CN 112832457 B CN112832457 B CN 112832457B
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 156
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 156
- 241001330002 Bambuseae Species 0.000 title claims abstract description 156
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 156
- 239000011425 bamboo Substances 0.000 title claims abstract description 156
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 42
- 238000000465 moulding Methods 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a built-in vertical steel plate reinforced recombined bamboo beam and a preparation method thereof, the built-in vertical steel plate is used in the recombined bamboo beam processing engineering, the beam is directly glued and hot pressed, and grooving and secondary processing are not needed, so that the integrity of the beam can be ensured. The steel plates are vertically placed, so that the rigidity of the beam can be effectively improved, and the problem that the recombined bamboo beam is too large in deflection deformation when being used as a flexural member is solved. The through holes are uniformly arranged in the steel plate, but do not need to be arranged at a place close to the upper edge and the lower edge of the steel plate, so that the operation is convenient, meanwhile, the bonding effect between the steel plate and the recombined bamboo can be enhanced by the steel plate open holes, the purpose of saving steel is achieved on the premise of little influence on rigidity, and the economic benefit is improved. The vertical steel plates are placed in the recombined bamboo beams to improve the rigidity of the recombined bamboo beams, the reinforcing mode is convenient and effective, meanwhile, corrosion of the steel plates can be avoided, and the safety and durability of the components are enhanced.
Description
Technical Field
The invention relates to the technical field of civil engineering bamboo and wood, in particular to a built-in vertical steel plate reinforced recombined bamboo beam and a preparation method thereof.
Background
Compared with wood, the bamboo has the advantages of green nature, high strength, good toughness, short growth period and the like, is praised as a plant reinforcing steel bar by structural engineers, and various structural engineering bamboo products such as recombined bamboo, glued bamboo and the like are appeared in recent years. The recombined bamboo is a new bamboo material which is formed by reorganizing and strengthening bamboo, namely, the bamboo is processed into strip-shaped thin bamboo strips, bamboo filaments or crushed into bamboo filament bundles, and the bamboo filament bundles are glued after being dried, and then are dried to the required water content, and then are laid in a mould, and are thermally cured at high temperature and high pressure to form the section. Compared with natural bamboo, the recombined bamboo has the advantages of environmental protection, high material utilization rate, high strength, few defects, capability of being processed into various shapes and the like, is convenient for engineering application, and has very bright prospect in the fields of civil engineering and the like.
In the existing recombined bamboo beam, although the recombined bamboo inherits the characteristics of green nature and good toughness of natural bamboo, and the defects of high mechanical property discreteness, easy worm damage, poor durability and the like are successfully overcome, the recombined bamboo beam is used as a main flexural member in a structure, has low elastic modulus, is often controlled by rigidity when the recombined bamboo beam is designed, and the strength of the recombined bamboo is not fully exerted. Therefore, when the bearing capacity of the recombined bamboo beam is checked, a larger cross-sectional dimension is often required to meet the rigidity requirement, which causes material waste and increases the weight of the structure.
Therefore, how to provide a recombinant bamboo beam meeting both strength and stiffness requirements is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the invention aims to provide a built-in vertical steel plate reinforced recombined bamboo beam, which solves the defects of the recombined bamboo beam in the prior art.
The invention provides a built-in vertical steel plate reinforced recombined bamboo beam, which comprises the following components:
The recombined bamboo beam body is cuboid and is formed by cementing a plurality of arranged bamboo fiber bundles;
The steel plate is a rectangular plate body, the volume of the steel plate is smaller than that of the recombined bamboo beam body, and the steel plate is vertically embedded in the recombined bamboo beam body and is glued with the recombined bamboo beam body for hot press molding.
Compared with the prior art, the invention discloses the reinforced recombined bamboo beam with the built-in vertical steel plates, and the built-in vertical steel plates are directly glued and hot-pressed in the recombined bamboo beam processing engineering, so that slotting is not needed, secondary processing is not needed, and the beam integrity can be ensured. The steel plates are vertically placed, so that the rigidity of the beam can be effectively improved, and the problem that the recombined bamboo beam is too large in deflection deformation when being used as a flexural member is solved.
Further, a plurality of through holes are formed in the steel plate perpendicular to the length direction of the steel plate, bamboo fibers are filled in the through holes, and the bamboo fibers are glued with the bamboo fiber bundles; the steel plate is provided with the through holes, so that the purpose of saving steel is achieved on the premise of little influence on rigidity, and economic benefit is improved; the steel plates are uniformly arranged in the steel plates, but do not need to be arranged at a place close to the upper edge and the lower edge of the steel plates, so that the operation is convenient; meanwhile, the through holes are filled with bamboo fibers, and the bamboo fibers are glued with the bamboo fiber bundles of the recombined bamboo beam body, so that the bonding effect between the steel plate and the recombined bamboo can be enhanced, and the bonding capability of the steel plate and the recombined bamboo is improved. The vertical steel plates are placed in the recombined bamboo beams to improve the rigidity of the recombined bamboo beams, the reinforcing mode is convenient and effective, meanwhile, corrosion of the steel plates can be avoided, and the safety and durability of the components are enhanced.
The invention further aims at providing a preparation method of the built-in vertical steel plate reinforced recombined bamboo beam, which comprises the following steps: pressing the bamboo Guan Pilie into strips, pressing the split bamboo strips into thin bamboo strips, binding the thin bamboo strips into bamboo fiber bundles, and then dipping glue for standby; designing steel plates according to the use condition, and determining the positions and the number of the steel plates in the recombined bamboo beam body; winding a steel plate with bamboo fibers, and then dipping and drying for standby; and then molding, vertically placing a steel plate in the mold, paving the impregnated bamboo fiber bundles, and performing hot press molding on the impregnated bamboo fiber bundles and the impregnated dried steel plate.
Compared with the prior art, the invention discloses a preparation method of the built-in vertical steel plate reinforced recombined bamboo beam, wherein steel plates are vertically arranged in the recombined bamboo beam body, and the recombined bamboo beam is formed by hot press molding of bamboo fibers and glue, so that the beam body is convenient to form, slotting or secondary processing is not needed, the integrity of the beam body is ensured, the rigidity of the beam body is enhanced, and meanwhile, the problem that the recombined bamboo beam is too large in deflection deformation as a flexural member is solved. The steel plate is arranged in the recombined bamboo beam body, so that corrosion of the steel plate can be avoided, and the safety and durability of the member are enhanced.
Further, the steel plate is a cuboid, a plurality of through holes are formed in the direction perpendicular to the length direction of the steel plate, and bamboo fibers are filled in the through holes. The steel plate is provided with the through holes, so that the purpose of saving steel is achieved on the premise of little influence on rigidity, and economic benefit is improved; the steel plates are uniformly arranged in the steel plates, but do not need to be arranged at a place close to the upper edge and the lower edge of the steel plates, so that the operation is convenient; meanwhile, the through holes are filled with bamboo fibers, and the bamboo fibers are glued with the bamboo fiber bundles of the recombined bamboo beam body, so that the bonding effect between the steel plate and the recombined bamboo can be enhanced, and the bonding capability of the steel plate and the recombined bamboo is improved.
The function of the through hole in the invention is that: firstly, the usage amount of steel is reduced, and the economic benefit is improved; and secondly, bamboo fibers can be filled in the through holes, and the bamboo fibers and the bamboo fiber bundles of the recombined bamboo beam body are bonded through glue, so that the bonding effect is enhanced, and the bonding capability of the bamboo fibers and the bamboo fiber bundles is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a reinforced recombined bamboo beam with built-in vertical steel plates;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a drawing showing a side view of FIG. 1;
FIG. 4 is a drawing illustrating a side view of another embodiment;
in the figure: 100-recombined bamboo beam body, 200-steel plate and 201-through hole.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the existing recombined bamboo beam, although the recombined bamboo inherits the characteristics of green nature and good toughness of natural bamboo, and the defects of high mechanical property discreteness, easy worm damage, poor durability and the like are successfully overcome, the recombined bamboo beam is used as a main flexural member in a structure, has low elastic modulus, is often controlled by rigidity when the recombined bamboo beam is designed, and the strength of the recombined bamboo is not fully exerted. Therefore, when the bearing capacity of the recombined bamboo beam is checked, a larger cross-sectional dimension is often required to meet the rigidity requirement, which causes material waste and increases the weight of the structure.
Therefore, the invention provides the built-in vertical steel plate reinforced recombined bamboo beam, when the recombined bamboo is processed, the steel plate is directly built in the recombined bamboo Liang Tizhong, and slotting and secondary processing are not needed, so that the integrity of the beam can be effectively ensured. The vertical steel plates are arranged in the reinforced recombined bamboo beam, so that the effective width of the recombined bamboo beam is increased, the elastic modulus of the recombined bamboo beam can be effectively improved, the section rigidity of the combined beam is increased, and the good effects of reducing the section size, improving the bearing capacity of the component and enhancing the bending performance of the recombined bamboo beam are achieved.
In one embodiment of the present invention, referring to FIGS. 1-3, there is provided: the recombined bamboo beam body 100 is a cuboid, the height is 150mm, the width is 100mm, the length is 6000mm, the total width of the steel plate is 2mm, the height is 130mm, the length is 5800mm, and the recombined bamboo beam body 100 is formed by cementing a plurality of bamboo fiber bundles; the steel plate 200 is vertically embedded in the recombined bamboo beam body 100, and is glued and hot-pressed with the recombined bamboo beam body 100.
Referring to fig. 4, in another embodiment of the present invention, there is provided: the recombined bamboo beam body 100 is a cuboid, the height is 150mm, the width is 100mm, the length is 6000mm, the total width of the steel plate is 2mm, the height is 130mm, the length is 5800mm, and the recombined bamboo beam body 100 is formed by gluing a plurality of bamboo fiber bundles; the two steel plates 200 are vertically embedded in the recombined bamboo beam body 100, are arranged at the position which is 20mm close to the outer wall of the recombined bamboo beam body 100, and are glued and hot-pressed with the recombined bamboo beam body 100.
Advantageously, in the above two embodiments, the steel plate 200 is provided with a plurality of through holes 201 perpendicular to the length direction thereof, the through holes 201 are filled with bamboo fibers, the bamboo fibers are glued with the bamboo fiber bundles, and the steel plate is provided with the through holes on the premise of having little influence on rigidity, thereby achieving the purpose of saving steel and improving economic benefit; the steel plates are uniformly arranged in the steel plates, but do not need to be arranged at a place close to the upper edge and the lower edge of the steel plates, so that the operation is convenient; meanwhile, the through holes are filled with bamboo fibers, and the bamboo fibers are glued with the bamboo fiber bundles of the recombined bamboo beam body, so that the bonding effect between the steel plate and the recombined bamboo can be enhanced, and the bonding capability of the steel plate and the recombined bamboo is improved.
The invention also provides a preparation method of the built-in vertical steel plate reinforced recombined bamboo beam, which comprises the following steps: pressing the bamboo Guan Pilie into strips, pressing the split bamboo strips into thin bamboo strips, binding the thin bamboo strips into bamboo fiber bundles, and then dipping glue for standby; determining a steel plate with the inside according to the use condition, wherein the steel plate comprises the specification, the shape and the number of through holes; determining the positions and the number (single plate, double plate and thickness) of the steel plates in the recombined bamboo beam body, so that the beam has enough rigidity; winding the steel plate with bamboo fibers, and then dipping and drying for standby, so that a better bonding effect is obtained between the steel plate and the recombined bamboo; and then molding, vertically placing a steel plate in the mold, paving the impregnated bamboo fiber bundles, and performing hot press molding on the impregnated bamboo fiber bundles and the impregnated dried steel plate.
Therefore, the built-in vertical steel plate is directly glued and hot-pressed in the recombined bamboo beam processing engineering, and is free from grooving and secondary processing, so that the beam integrity can be ensured. The steel plates are vertically placed, so that the rigidity of the beam can be effectively improved, and the problem that the recombined bamboo beam is too large in deflection deformation when being used as a flexural member is solved. The through holes are uniformly arranged in the steel plate, but do not need to be arranged at a place close to the upper edge and the lower edge of the steel plate, so that the operation is convenient; meanwhile, the steel plate holes can enhance the bonding effect between the steel plate and the recombined bamboo, so that the bonding capability of the steel plate and the recombined bamboo is improved, the purpose of saving steel is achieved on the premise of little influence on rigidity, and the economic benefit is improved. The vertical steel plates are placed in the recombined bamboo beams to improve the rigidity of the recombined bamboo beams, the reinforcing mode is convenient and effective, meanwhile, corrosion of the steel plates can be avoided, and the safety and durability of the components are enhanced.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (1)
1. The preparation method of the built-in vertical steel plate reinforced recombined bamboo beam is characterized by comprising the following steps of:
The recombined bamboo beam body (100), wherein the recombined bamboo beam body (100) is a cuboid and is formed by cementing a plurality of arranged bamboo fiber bundles;
The steel plate (200) is a rectangular plate body, the volume of the steel plate (200) is smaller than that of the recombined bamboo beam body (100), and the steel plate is vertically embedded in the recombined bamboo beam body (100) and is glued and hot-pressed with the recombined bamboo beam body (100);
a plurality of through holes (201) are formed in the steel plate (200) perpendicular to the length direction of the steel plate, bamboo fibers are filled in the through holes (201), and the bamboo fibers are glued with the bamboo fiber bundles;
The method specifically comprises the following steps: pressing the bamboo Guan Pilie into strips, pressing the split bamboo strips into thin bamboo strips, binding the thin bamboo strips into bamboo fiber bundles, and then dipping glue for standby; designing steel plates (200) according to the use condition, and determining the positions and the number of the steel plates (200) in the recombined bamboo beam body (100); winding bamboo fibers on a steel plate (200), and then dipping and drying for standby; then molding, vertically placing a steel plate (200) in the mold, paving the impregnated bamboo fiber bundles, and performing hot press molding on the impregnated bamboo fiber bundles and the impregnated dried steel plate (200); the steel plate (200) is a cuboid, a plurality of through holes (201) are formed in the direction perpendicular to the length direction of the steel plate, and bamboo fibers are filled in the through holes (201).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110193186.7A CN112832457B (en) | 2021-02-20 | 2021-02-20 | Built-in vertical steel plate reinforced recombined bamboo beam and preparation method thereof |
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| CN202110193186.7A CN112832457B (en) | 2021-02-20 | 2021-02-20 | Built-in vertical steel plate reinforced recombined bamboo beam and preparation method thereof |
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| CN112832457A CN112832457A (en) | 2021-05-25 |
| CN112832457B true CN112832457B (en) | 2024-08-27 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202247672U (en) * | 2011-10-13 | 2012-05-30 | 南京林业大学 | Reinforced composite bamboo component |
| CN108952144A (en) * | 2018-08-21 | 2018-12-07 | 南京林业大学 | A kind of bamboo and wood-stainless steel double shuttering and its manufacturing method |
| CN214941637U (en) * | 2021-02-20 | 2021-11-30 | 东北林业大学 | Built-in vertical steel plate reinforcing reorganization bamboo roof beam |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2015001287A (en) * | 2015-01-28 | 2016-01-21 | Kaltia Consultoria Y Proyectos S A De C V | Prefabricated system for slabs and roofs using structural bamboo. |
| CN106545086B (en) * | 2016-10-17 | 2019-03-05 | 华南理工大学 | A kind of steel bar regeneration monolith beam-column joint and its construction method |
| CN208415694U (en) * | 2018-06-15 | 2019-01-22 | 上海市建筑科学研究院 | A kind of imitative bamboo Recombined bamboo column |
| CN210257531U (en) * | 2019-03-25 | 2020-04-07 | 福建省和普新材料有限公司 | Novel composite bottom plate of container |
| CN110029726B (en) * | 2019-05-15 | 2024-04-05 | 南京林业大学 | Assembled steel bamboo wood combined structure system suitable for multi-story high-rise building |
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- 2021-02-20 CN CN202110193186.7A patent/CN112832457B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202247672U (en) * | 2011-10-13 | 2012-05-30 | 南京林业大学 | Reinforced composite bamboo component |
| CN108952144A (en) * | 2018-08-21 | 2018-12-07 | 南京林业大学 | A kind of bamboo and wood-stainless steel double shuttering and its manufacturing method |
| CN214941637U (en) * | 2021-02-20 | 2021-11-30 | 东北林业大学 | Built-in vertical steel plate reinforcing reorganization bamboo roof beam |
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