CN112663868A - Embedded steel plate reinforced engineering bamboo component and preparation method thereof - Google Patents
Embedded steel plate reinforced engineering bamboo component and preparation method thereof Download PDFInfo
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- CN112663868A CN112663868A CN202011403552.9A CN202011403552A CN112663868A CN 112663868 A CN112663868 A CN 112663868A CN 202011403552 A CN202011403552 A CN 202011403552A CN 112663868 A CN112663868 A CN 112663868A
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Abstract
The invention relates to an engineering bamboo component reinforced by embedded steel plates, which comprises a left engineering bamboo rectangular block, a right engineering bamboo rectangular block, a bottom engineering bamboo rectangular block, a T-shaped steel plate and two shearing resistant pieces, wherein the left and right engineering bamboo rectangular blocks are respectively bonded on two sides of a web plate of the T-shaped steel plate, the bottom engineering bamboo rectangular block is bonded on the bottom of a flange plate of the T-shaped steel plate, and the two shearing resistant pieces are respectively fixedly connected with the front end and the rear end of the left and right engineering bamboo rectangular blocks and the front end and the rear end of the bottom engineering bamboo block. The invention also relates to a preparation method of the engineering bamboo component reinforced by the embedded steel plate, which comprises 3 steps. The invention combines the steel and the engineering bamboo, fully exerts the advantages of the two materials, can effectively improve the bending strength and the bending rigidity of the engineering bamboo component without changing the appearance of the bamboo component, reduces the cross section of the component, has high efficiency and rapidness in construction, excellent bearing performance and wide development and application prospect in the assembly type modern bamboo-wood structure building.
Description
Technical Field
The invention relates to a steel-bamboo combined component and a preparation method thereof, in particular to an engineering bamboo component reinforced by embedded steel plates and a preparation method thereof, which can be used for improving the bending strength and bending rigidity of the engineering bamboo component and belong to the technical field of bamboo and wood structure construction application.
Background
The bamboo wood is a low-carbon renewable biomass material and has the advantages of easy degradation, high strength-to-weight ratio, good heat preservation and insulation performance, light weight, shock resistance and the like. Researchers try to modify and recombine round bamboos by using a modern gluing process from the end of the last 70 th century to prepare standard materials meeting the requirements of modern building industry, and the current mature engineering bamboos for load-bearing structures comprise glued bamboos (also called bamboo laminated wood) and recombined bamboos (also called bamboo recombined wood). The engineering bamboo structure using the engineering bamboo as the bearing member has high assembly degree and quick construction, meets the industrial development requirements of green low-carbon buildings and building industrialization, and has wide market application prospect.
Compared with glued wood, the engineering bamboo wood has the advantages that all the strengths are improved to different degrees, but the engineering bamboo wood is limited by the elastic modulus of the material, the design of a bent component is generally controlled by deformation, and the strength of the material is not fully utilized. In order to improve the material utilization rate of the engineering bamboo component and reduce the cross section of the component, proper technical measures are necessary to properly improve the rigidity and the strength of the engineering bamboo component.
Disclosure of Invention
The invention aims to provide an engineering bamboo component reinforced by an embedded steel plate, which can give full play to the advantages of two materials, namely steel and engineering bamboo, improve the problem of insufficient bending rigidity of an engineering bamboo flexural component and improve the utilization rate of materials.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an engineering bamboo component reinforced by embedded steel plates comprises a left engineering bamboo rectangular block, a right engineering bamboo rectangular block, a bottom engineering bamboo rectangular block, a T-shaped steel plate and two shear resistant pieces welded at two ends of the T-shaped steel plate,
the left and right engineering bamboo rectangular blocks are respectively bonded on two sides of a web plate of the T-shaped steel plate, the bottom engineering bamboo rectangular block is bonded on the bottom of a flange plate of the T-shaped steel plate,
the two shearing resistant pieces are respectively fixedly connected with the front ends and the rear ends of the left engineering bamboo rectangular block, the right engineering bamboo rectangular block and the bottom engineering bamboo block.
Further, the shearing resistant piece includes the tip steel sheet and welds at the inboard last rib plate and the lower rib plate of tip steel sheet, the bottom of going up the rib plate and the top of lower rib plate weld with the flange board of T shape steel sheet respectively, vertical groove has been seted up respectively in the position that corresponds upper and lower rib plate to left and right side engineering bamboo rectangular block and bottom engineering bamboo rectangular block, and left and right side engineering bamboo rectangular block and bottom engineering bamboo rectangular block pass through the structural adhesive bonding with the tip steel sheet, the upper and lower rib plate of shearing resistant piece is through the preceding, the rear end of the vertical groove embedding left and right side engineering bamboo rectangular block and bottom engineering bamboo block that correspond.
Furthermore, the left and right engineering bamboo rectangular blocks and the bottom engineering bamboo rectangular block are all formed by gluing glued bamboo or recombined bamboo laminates.
Furthermore, the width of the vertical groove is 1mm larger than the thickness of the rib plate, and the depth of the groove of the vertical groove is 1 mm-2 mm larger than the length of the rib plate.
And further, the left and right engineering bamboo rectangular blocks, the bottom engineering bamboo rectangular block and the T-shaped steel plate are bonded through structural adhesive in a pressurizing mode to form an integral component.
The invention also provides a preparation method of the embedded steel plate reinforced engineering bamboo component, which comprises the following steps:
s1, processing a left engineering bamboo rectangular block, a right engineering bamboo rectangular block and a bottom engineering bamboo rectangular block;
s2, respectively welding the two shear pieces at the front end and the rear end of the T-shaped steel plate;
s3, bonding the left and right engineering bamboo rectangular blocks to two sides of a web plate of the T-shaped steel plate through structural adhesive in a pressurizing manner, bonding the bottom engineering bamboo rectangular block to the bottom of a flange plate of the T-shaped steel plate through structural adhesive in a pressurizing manner, and simultaneously bonding the end steel plates of the two shearing resistant pieces to the left and right engineering bamboo rectangular blocks and the front and rear ends of the bottom engineering bamboo block through the structural adhesive to form an integral component.
Compared with the prior art, the invention has the beneficial effects that:
the engineering bamboo component reinforced by the embedded steel plate and the preparation method thereof can give full play to the mechanical property advantages of steel and engineering bamboo materials, effectively improve the bending strength and the bending rigidity of the engineering bamboo component under the condition of not changing the appearance of the bamboo component, reduce the cross section of the component, improve the utilization rate of the material, and effectively reduce the possibility of component damage caused by the peeling failure of the glue layer between the steel plate and the rectangular block of the engineering bamboo by the arrangement of the end shear resistant part. The member construction is efficient and quick, the bearing performance is excellent, and the method has wide development and application prospects in assembly type modern bamboo-wood structure buildings.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an embedded steel plate reinforced engineering bamboo member of the present invention.
Fig. 2 is an exploded view of an embodiment of the embedded steel plate reinforced engineered bamboo component of the present invention.
Fig. 3 is a schematic side elevation view of an embodiment of the embedded steel plate reinforced engineered bamboo component of the present invention.
Fig. 4 is a sectional view taken along line a-a in fig. 3.
In the figure: 1a, a left engineering bamboo rectangular block; 1b, right engineering bamboo rectangular blocks; 2. bottom engineering bamboo rectangular blocks; 3. a T-shaped steel plate; 3-1, a flange plate; 3-2, a web; 4. a shear resistant member; 4-1, end steel plates; 4-2, an upper rib plate; 4-3, lower rib plates.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are preferred embodiments of the invention, and not all embodiments.
Referring to fig. 1 to 4, the engineering bamboo component reinforced by the embedded steel plate comprises a left engineering bamboo rectangular block 1a, a right engineering bamboo rectangular block 1b, a bottom engineering bamboo rectangular block 2, a T-shaped steel plate 3 and two shear resistant pieces 4 welded at two ends of the T-shaped steel plate.
The cross-sectional dimensions of the left and right engineering bamboo rectangular blocks are 87mm multiplied by 217mm, and the cross-sectional dimension of the bottom engineering bamboo rectangular block 2 is 180mm multiplied by 77 mm. The flange 3-1 width of the T-shaped steel plate 3 is 180mm, the web 3-2 height is 217mm, and the T-shaped steel plate is made of Q235B steel plates with the thickness of 8 mm. The left engineering bamboo rectangular block 1a, the right engineering bamboo rectangular block 1b and the bottom engineering bamboo rectangular block 2 are all formed by gluing glued bamboo or recombined bamboo laminates. The left engineering bamboo rectangular block 1a and the right engineering bamboo rectangular block 1b are respectively bonded on two sides of a web plate 3-2 of the T-shaped steel plate 3 through structural adhesives, the bottom engineering bamboo rectangular block 2 is bonded on the bottom of a flange plate 3-1 of the T-shaped steel plate 3, and the two shearing resistant pieces 4 are respectively fixedly connected with the front end and the rear end of the left engineering bamboo rectangular block, the right engineering bamboo rectangular block and the bottom engineering bamboo block 2. The shear part 4 comprises an end steel plate 4-1 with the thickness of 8mm and the section size of 120mm multiplied by 200mm, an upper rib plate 4-2 with the thickness of 8mm and a lower rib plate 4-3 with the thickness of 8mm, which are welded on the inner side of the end steel plate. The inner side of the end steel plate 4-1 is welded with the end of the T-shaped steel plate, and the bottom of the upper ribbed plate 4-2 and the top of the lower ribbed plate 4-3 are respectively welded with the flange plate 3-1 of the T-shaped steel plate 3. The number of the upper ribbed plates 4-2 can be two, the number of the lower ribbed plates 4-3 can be two or three, and the number of the upper ribbed plates and the number of the lower ribbed plates can also be set according to actual requirements. The left and right engineering bamboo rectangular blocks and the bottom engineering bamboo rectangular block 2 are respectively provided with a vertical groove 5 with the width of 9mm at the positions corresponding to the upper rib plate and the lower rib plate, the upper rib plate 4-2 of the shear resistant piece 4 is embedded in the vertical groove 5 of the left and right engineering bamboo rectangular blocks, the lower rib plate 4-3 of the shear resistant piece 4 is respectively embedded in the vertical groove 5 of the bottom engineering bamboo rectangular block 2, the depth of the upper rib plate 4-2 embedded in the left and right engineering bamboo rectangular blocks is 30mm, and the left and right engineering bamboo rectangular blocks and the bottom engineering bamboo rectangular block 2 are fixedly bonded with the end steel plate 4-1 through structural adhesive.
The invention also provides a preparation method of the embedded steel plate reinforced engineering bamboo component, which comprises the following steps:
s1, processing a left engineering bamboo rectangular block 1a, a right engineering bamboo rectangular block 1b and a bottom engineering bamboo rectangular block 2;
s2, respectively welding the two shear resistant pieces 4 at the front end and the rear end of the T-shaped steel plate 3;
s3, bonding the left and right engineering bamboo rectangular blocks to two sides of a web plate of the T-shaped steel plate 3 through structural adhesive in a pressurizing manner, bonding the bottom engineering bamboo rectangular block 2 to the bottom of a flange plate of the T-shaped steel plate 3 through structural adhesive in a pressurizing manner, and simultaneously bonding the end steel plates 4-1 of the two shearing resistant pieces 4 to the left and right engineering bamboo rectangular blocks and the front and rear ends of the bottom engineering bamboo block 2 through structural adhesive to form an integral component.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alternative or modified embodiments based on the above embodiments and these should be covered by the present invention.
Claims (6)
1. The utility model provides an engineering bamboo component of embedded steel sheet reinforcing which characterized in that:
comprises a left engineering bamboo rectangular block, a right engineering bamboo rectangular block, a bottom engineering bamboo rectangular block, a T-shaped steel plate and two shear resistant pieces welded at two ends of the T-shaped steel plate,
the left and right engineering bamboo rectangular blocks are respectively bonded on two sides of a web plate of the T-shaped steel plate, the bottom engineering bamboo rectangular block is bonded on the bottom of a flange plate of the T-shaped steel plate,
the two shearing resistant pieces are respectively fixedly connected with the front end and the rear end of the left engineering bamboo rectangular block, the right engineering bamboo rectangular block and the bottom engineering bamboo block.
2. The embedded steel plate reinforced engineered bamboo component of claim 1, wherein:
the shear resistant piece includes tip steel sheet and welding at the inboard last rib plate and lower rib plate of tip steel sheet, the bottom of going up the rib plate and the top of lower rib plate weld with the flange board of T shape steel sheet respectively, vertical groove has been seted up respectively in the position that corresponds upper and lower rib plate to left and right side engineering bamboo rectangular block and bottom engineering bamboo rectangular block, and left and right side engineering bamboo rectangular block and bottom engineering bamboo rectangular block pass through the structure glue with the tip steel sheet and bond, shear resistant piece's upper and lower rib plate is through the preceding, the rear end of the vertical groove embedding left and right side engineering bamboo rectangular block and bottom engineering bamboo block that corresponds.
3. The embedded steel plate reinforced engineered bamboo component of claim 1, wherein:
the left and right engineering bamboo rectangular blocks and the bottom engineering bamboo rectangular block are all formed by gluing glued bamboo or recombined bamboo laminates.
4. The embedded steel plate reinforced engineered bamboo component of claim 1, wherein:
the width of the vertical groove is 1mm larger than the thickness of the rib plate, and the grooving depth of the vertical groove is 1 mm-2 mm larger than the length of the rib plate.
5. The embedded steel plate reinforced engineered bamboo component of claim 1, wherein:
and the left and right engineering bamboo rectangular blocks, the bottom engineering bamboo rectangular block and the T-shaped steel plate are bonded through structural adhesive in a pressurizing manner to form an integral component.
6. The preparation method of the engineering bamboo component reinforced by the embedded steel plate is characterized by comprising the following steps:
s1, processing a left engineering bamboo rectangular block, a right engineering bamboo rectangular block and a bottom engineering bamboo rectangular block;
s2, respectively welding the two shear pieces at the front end and the rear end of the T-shaped steel plate;
s3, bonding the left and right engineering bamboo rectangular blocks to two sides of a web plate of the T-shaped steel plate through structural adhesive in a pressurizing manner, bonding the bottom engineering bamboo rectangular block to the bottom of a flange plate of the T-shaped steel plate through structural adhesive in a pressurizing manner, and simultaneously bonding the end steel plates of the two shearing resistant pieces to the left and right engineering bamboo rectangular blocks and the front and rear ends of the bottom engineering bamboo block through the structural adhesive to form an integral component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403552.9A CN112663868A (en) | 2020-12-04 | 2020-12-04 | Embedded steel plate reinforced engineering bamboo component and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011403552.9A CN112663868A (en) | 2020-12-04 | 2020-12-04 | Embedded steel plate reinforced engineering bamboo component and preparation method thereof |
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| CN112663868A true CN112663868A (en) | 2021-04-16 |
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| CN202011403552.9A Pending CN112663868A (en) | 2020-12-04 | 2020-12-04 | Embedded steel plate reinforced engineering bamboo component and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0123017D0 (en) * | 2000-09-26 | 2001-11-14 | Graftech Inc | Composite I-beam having improved properties |
| CN101031696A (en) * | 2004-08-02 | 2007-09-05 | Tac科技有限责任公司 | Engineered structural members and methods for constructing same |
| US8561373B1 (en) * | 2009-07-25 | 2013-10-22 | Bamcore LLC | Bamboo I-beam with laminated web and flanges |
| CN103981997A (en) * | 2014-05-12 | 2014-08-13 | 东南大学 | Ribbed bamboo constraining shear plate |
| CN206554274U (en) * | 2017-01-09 | 2017-10-13 | 扬州工业职业技术学院 | Novel fabricated timber buildings cross steel plate connecting node |
| CN108360742A (en) * | 2018-04-05 | 2018-08-03 | 南京林业大学 | A kind of prestressing with bond bamboo H-beam |
-
2020
- 2020-12-04 CN CN202011403552.9A patent/CN112663868A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0123017D0 (en) * | 2000-09-26 | 2001-11-14 | Graftech Inc | Composite I-beam having improved properties |
| CN101031696A (en) * | 2004-08-02 | 2007-09-05 | Tac科技有限责任公司 | Engineered structural members and methods for constructing same |
| US8561373B1 (en) * | 2009-07-25 | 2013-10-22 | Bamcore LLC | Bamboo I-beam with laminated web and flanges |
| CN103981997A (en) * | 2014-05-12 | 2014-08-13 | 东南大学 | Ribbed bamboo constraining shear plate |
| CN206554274U (en) * | 2017-01-09 | 2017-10-13 | 扬州工业职业技术学院 | Novel fabricated timber buildings cross steel plate connecting node |
| CN108360742A (en) * | 2018-04-05 | 2018-08-03 | 南京林业大学 | A kind of prestressing with bond bamboo H-beam |
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Application publication date: 20210416 |