CN211164392U - Nanocomposite reinforced orthogonal laminated wood panel - Google Patents
Nanocomposite reinforced orthogonal laminated wood panel Download PDFInfo
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- CN211164392U CN211164392U CN201921369073.2U CN201921369073U CN211164392U CN 211164392 U CN211164392 U CN 211164392U CN 201921369073 U CN201921369073 U CN 201921369073U CN 211164392 U CN211164392 U CN 211164392U
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Abstract
The utility model relates to an orthogonal glued wood board reinforced by nano composite material, which comprises a first board, a second board and a structural adhesive layer; the first board is a board which is soaked in a nano composite material solution and is uniformly dispersed to the wood microstructure by adopting ultrasonic waves; the first plates and the second plates are alternately stacked and glued through a structural adhesive layer, and the top layer and the bottom layer are the second plates; the wood grain directions of the first plate and the second plate are mutually vertical. The utility model makes full use of the connecting function of the nano composite material on the wood microstructure, obviously improves the rolling shear strength and the cross grain tensile strength of the wood, and has simple structure, convenient construction and convenient engineering popularization; the bending resistance and the shearing resistance of the wooden floor slab are greatly improved, and the wooden floor slab is beneficial to the popularization of wooden buildings.
Description
Technical Field
The utility model relates to an orthogonal laminated wood structure especially relates to an orthogonal laminated wood board that nano-composite strengthened.
Background
Currently, the consumption of building materials in our country has generated a serious load on the ecological environment and social development. Since the 70 s of the last century, the types of buildings in China are mainly reinforced concrete structures, masonry structures and steel structures. The related building materials consume a large amount of non-renewable resources such as iron ore, limestone and land during production and use, and aggravate the greenhouse effect. Therefore, the development of a novel low-carbon, energy-saving and environment-friendly building structure system is urgently needed in China.
The orthogonal laminated wood member has the advantages of low carbon, environmental protection, easy construction, high lateral stiffness resistance, good fire resistance, good durability and the like, and is widely used in multi-story and high-rise wood structure buildings at present.
Due to the characteristics of low roll shearing strength and low transverse grain tensile strength of the wood, the orthogonal laminated wood board is easy to have roll shearing damage and tearing damage of an adhesive layer under the action of bending moment. In view of this, what kind of technical measures can be taken to improve the bending shear stress performance of the orthogonal laminated wood member and inhibit the tearing damage of the glue layer is a technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an orthogonality veneer lumber that nanometer composite strengthened, make full use of nanometer composite is showing the connection effect that improves ligneous roller shear intensity and band tensile strength on timber micro-structure to effectively restrain the roller shear destruction of quadrature veneer lumber floor. Meanwhile, the nano composite material can also obviously improve the performance of the glue layer and the bonding performance of the glue layer and the wood, thereby effectively inhibiting the tearing damage of the glue layer in the orthogonal laminated wood board.
The utility model adopts the following technical proposal:
a nanocomposite reinforced orthogonal laminated wood board comprises a first board 1, a second board 2 and a structural adhesive layer 3; the first board 1 is a board which is soaked in a nano composite material solution and is uniformly dispersed to the wood microstructure by adopting ultrasonic waves; the first plates 1 and the second plates 2 are alternately overlapped and glued through structural adhesive layers 3, and the top layer and the bottom layer are the second plates 2; the wood grain directions of the first plate 1 and the second plate 2 are vertical to each other.
Preferably, the number of the second boards 2 in the orthogonal laminated wood board is one more than that of the first boards 1, and the total number of the layers is an odd number which is more than or equal to three.
Preferably, the shape and size of each layer of plate material are the same.
Preferably, the first plate 1 is formed by combining a plurality of strip plate structures spliced along the X direction, the second plate 2 is formed by combining a plurality of strip plate structures spliced along the Y direction, and the X direction is vertical to the Y direction.
A multi-story high-rise wood structure building adopts any one of the orthogonal laminated wood boards.
A method for manufacturing an orthogonal laminated wood board reinforced by nano composite materials comprises the following steps: putting a common plate into a nano composite material solution, and uniformly dispersing the nano composite material into a wood microstructure in the solution by adopting ultrasonic waves to prepare a first plate 1; a plurality of first plates 1 and second plates 2 are superposed and combined: the second boards 2 are arranged at the top and bottom positions of the orthogonal laminated wood board; the wood grain directions of the first plate 1 and the second plate 2 are vertically arranged; the first plate 1 and the second plate 2 are glued by a structural adhesive layer 3.
Preferably, the structural adhesive layer 3 is a glue solution added with the nano composite material.
Preferably, the nanocomposite material can be one or more of carbon nanotubes and graphene.
A method for improving the bending resistance and the shearing resistance of a floor slab adopts the orthogonal laminated wood board as the floor slab of a multi-story high-rise wood structure building.
The beneficial effects of the utility model reside in that:
1) the connecting effect of the nano composite material on the wood microstructure can be fully utilized, the roll shearing strength and the transverse grain tensile strength of the wood are obviously improved, and therefore the roll shearing damage of the orthogonal glued wood floor slab is effectively inhibited.
2) The nano composite material can also obviously improve the performance of the glue layer and the bonding performance of the glue layer and wood, thereby effectively inhibiting the tearing damage of the glue layer in the orthogonal laminated wood board.
3) The orthogonal laminated wood board has simple structure, convenient construction and convenient engineering popularization.
4) The bending resistance and the shearing resistance of the wooden floor slab are greatly improved, and the wooden floor slab is beneficial to the popularization of wooden buildings.
Drawings
Fig. 1 is a front view of a nanocomposite reinforced orthogonal plywood sheet of a three-layer structure.
Fig. 2 is a front view of a five-layer nanocomposite reinforced orthogonal plywood sheet.
Fig. 3 is a front view of a seven-layer nanocomposite reinforced orthogonal plywood sheet.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is a left side view of fig. 2.
Fig. 6 is a left side view of fig. 3.
In the figure, 1 is a first plate, 2 is a second plate, and 3 is a structural adhesive layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-6, a nanocomposite reinforced orthogonal plywood sheet comprises a first sheet 1, a second sheet 2, a structural adhesive layer 3; the first board 1 is a board which is soaked in a nano composite material solution and is uniformly dispersed to the wood microstructure by adopting ultrasonic waves; the first plates 1 and the second plates 2 are alternately overlapped and glued through structural adhesive layers 3, and the top layer and the bottom layer are the second plates 2; the wood grain directions of the first board 1 and the second board 2 are perpendicular to each other, as can be seen from fig. 1 and 4.
In this embodiment, the second board 2 is one more layer than the first board 1 in the orthogonal laminated wood board, and the total number of layers is an odd number of three or more, as shown in fig. 1 to 6.
In this embodiment, the sheets are identical in shape and size, as shown in FIGS. 1-6.
In this embodiment, the first plate 1 is composed of a plurality of strip structures spliced along the X direction, and the second plate 2 is composed of a plurality of strip structures spliced along the Y direction, wherein the X direction is perpendicular to the Y direction.
A multi-story high-rise wood structure building adopts any one of the orthogonal laminated wood boards.
When the orthogonal laminated wood board is manufactured specifically, the method comprises the following steps: putting a common plate into a nano composite material solution, and uniformly dispersing the nano composite material into a wood microstructure in the solution by adopting ultrasonic waves to prepare a first plate 1; a plurality of first plates 1 and second plates 2 are superposed and combined: the second boards 2 are arranged at the top and bottom positions of the orthogonal laminated wood board; the wood grain directions of the first plate 1 and the second plate 2 are vertically arranged; the orthogonal plywood sheets may be glued in 3, 5 and 7 layers. And adding a proper amount of nano composite material into the structural adhesive layer 3, uniformly regulating, injecting the nano composite material into the bonding surface of the plate, and pressurizing to form the orthogonal laminated wood member.
The nano composite material can be selected from carbon nano tube, graphene and the like.
As a method for improving the bending resistance and the shearing resistance of the floor slab, the orthogonal laminated wood board can also be used as the floor slab of a multi-story and high-rise wood structure building.
The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and these changes or improvements should fall within the scope of the present invention.
Claims (4)
1. An orthogonal laminated wood panel reinforced by a nano composite material, characterized in that:
comprises a first plate (1), a second plate (2) and a structural adhesive layer (3);
the first board (1) is a board which is soaked in a nano composite material solution and is uniformly dispersed to the wood microstructure by adopting ultrasonic waves;
the first plates (1) and the second plates (2) are alternately superposed and glued through structural glue layers (3), and the top layer and the bottom layer are the second plates (2);
the wood grain directions of the first plate (1) and the second plate (2) are vertical to each other.
2. The nanocomposite reinforced orthogonal plywood sheet of claim 1, wherein: the second board (2) in the orthogonal laminated wood board is one layer more than the first board (1), and the total number of layers is an odd number which is more than or equal to three.
3. The nanocomposite reinforced orthogonal plywood sheet of claim 1, wherein: the shape and the size of each layer of plate are the same.
4. The nanocomposite reinforced orthogonal plywood sheet of claim 1, wherein: first panel (1) is formed by a plurality of strip structure combinations of splicing along the X direction, second panel (2) is formed by a plurality of strip structure combinations of splicing along the Y direction, X is to being perpendicular with the Y direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369073.2U CN211164392U (en) | 2019-08-22 | 2019-08-22 | Nanocomposite reinforced orthogonal laminated wood panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369073.2U CN211164392U (en) | 2019-08-22 | 2019-08-22 | Nanocomposite reinforced orthogonal laminated wood panel |
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| CN211164392U true CN211164392U (en) | 2020-08-04 |
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| CN201921369073.2U Active CN211164392U (en) | 2019-08-22 | 2019-08-22 | Nanocomposite reinforced orthogonal laminated wood panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405869A (en) * | 2019-08-22 | 2019-11-05 | 上海市建筑科学研究院 | The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced |
| CN113530050A (en) * | 2021-08-17 | 2021-10-22 | 上海市建筑科学研究院有限公司 | Corrugated steel plate reinforced orthogonal laminated wood composite floor slab and manufacturing method thereof |
-
2019
- 2019-08-22 CN CN201921369073.2U patent/CN211164392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405869A (en) * | 2019-08-22 | 2019-11-05 | 上海市建筑科学研究院 | The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced |
| CN113530050A (en) * | 2021-08-17 | 2021-10-22 | 上海市建筑科学研究院有限公司 | Corrugated steel plate reinforced orthogonal laminated wood composite floor slab and manufacturing method thereof |
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