CN110405869A - The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced - Google Patents

The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced Download PDF

Info

Publication number
CN110405869A
CN110405869A CN201910776806.2A CN201910776806A CN110405869A CN 110405869 A CN110405869 A CN 110405869A CN 201910776806 A CN201910776806 A CN 201910776806A CN 110405869 A CN110405869 A CN 110405869A
Authority
CN
China
Prior art keywords
plate
nanocomposite
laminated wood
reinforced
orthogonal laminated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910776806.2A
Other languages
Chinese (zh)
Inventor
王明谦
许清风
冷予冰
陈玲珠
王卓琳
陈溪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Building Science Research Institute Co Ltd
Original Assignee
Shanghai Building Science Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Building Science Research Institute Co Ltd filed Critical Shanghai Building Science Research Institute Co Ltd
Priority to CN201910776806.2A priority Critical patent/CN110405869A/en
Publication of CN110405869A publication Critical patent/CN110405869A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08Manufacture of shaped articles; Presses specially designed therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/13Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/026Wood layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546Flexural strength; Flexion stiffness

Abstract

The present invention relates to the orthogonal laminated wood plates that a kind of nanocomposite is reinforced, including the first plate, the second plate, structural adhesive layer;First plate is the plate by Nanocomposite solution immersion treatment, and after making nanocomposite evenly spread to the micro-structure of timber using ultrasonic wave;First plate is alternate with the second plate to be superimposed and by structural adhesive layer gluing, and top layer and bottom are the second plate;The grain direction of first plate and the second plate is mutually perpendicular to.The present invention makes full use of connection function of the nanocomposite in timber micro-structure, significantly improves the roller shear intensity and tensile strength perpendicular to grain of timber, this orthogonal laminated wood plate simple structure, easy for construction, promotes convenient for engineering;Wooden floor anti-bending strength and shear behavior is substantially improved, it is of great advantage to the popularization of wooden building.

Description

The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced
Technical field
The present invention relates to the orthogonal laminated woods that a kind of orthogonal laminated structure more particularly to a kind of nanocomposite are reinforced Plate.
Background technique
Currently, the consumption of China's construction material produces serious load to ecological environment and social development.From last century Since the seventies, the building type in China is based on reinforced concrete structure, masonry structure and steel construction.Related construction materials exist The non-renewable resources such as a large amount of iron ore, lime stone and soil are consumed in production and use process, and exacerbate greenhouse effect It answers.Therefore, there is an urgent need to develop the new builing structure system of low-carbon energy-saving environmental protection in China.
Orthogonal glue laminated wood member has low-carbon environment-friendly, is easy to construction, anti-side rigidity height and good fire resistance, is durable Many advantages, such as performance, is widely used in more high-rise timber buildings at present.
It is limited by timber roller shear intensity and the low feature of tensile strength perpendicular to grain, orthogonal laminated wood plate holds under Moment Easily there is the tear failure of roller shear destruction and glue-line.In consideration of it, which kind of technical measures is taken to be able to ascend orthogonal glue laminated wood member Curved scissors stress performance, and inhibit the tear failure of glue-line, be this field technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide the orthogonal laminated wood plates that a kind of nanocomposite is reinforced, and make full use of nanometer multiple Connection function of the condensation material in timber micro-structure significantly improves the roller shear intensity and tensile strength perpendicular to grain of timber, thus effectively The roller shear of orthogonal glued wood floor is inhibited to destroy.Meanwhile nanocomposite is also remarkably improved the performance and glue-line of glue-line With the adhesive property of timber, to effectively inhibit the tear failure of orthogonal laminated wood plate mesoglea.
The present invention takes following technical scheme:
A kind of orthogonal laminated wood plate that nanocomposite is reinforced, including the first plate 1, the second plate 2, structural adhesive layer 3;First plate 1 is to keep nanocomposite uniform by Nanocomposite solution immersion treatment, and using ultrasonic wave Plate after being distributed to the micro-structure of timber;First plate 1 is alternate with the second plate 2 to be superimposed and, top glued by structural adhesive layer 3 Layer is the second plate 2 with bottom;The grain direction of first plate 1 and the second plate 2 is mutually perpendicular to.
Preferably, more than 1 one layers of 2 to the first plate of the second plate in the orthogonal laminated wood plate, total number of plies be greater than etc. In three odd number.
Preferably, shape, the size of each laminate material are all the same.
Preferably, first plate 1 is composed of multiple batten structures spliced in X direction, second plate 2 It is composed of multiple batten structures along Y-direction splicing, the X is to vertical with Y-direction.
A kind of more high-rise timber buildings, using orthogonal laminated wood plate described in any one of the above.
A kind of production method for the orthogonal laminated wood plate that nanocomposite is reinforced, comprising the following steps: by common plate Material is put into Nanocomposite solution, and so that nanocomposite is evenly dispersed into wood using ultrasonic wave in the solution In the micro-structure of material, the first plate 1 is made;Be overlapped combination to several first plates 1 and the second plate 2: the second plate 2 is set It is placed in the top and bottom position of orthogonal laminated wood plate;The grain direction of first plate 1 and the second plate 2 is arranged vertically;The Gluing is carried out using structural adhesive layer 3 between one plate 1 and the second plate 2.
Preferably, the structural adhesive layer 3 is the glue after being added to nanocomposite.
Preferably, one or more of carbon nanotube, graphene can be selected in nanocomposite.
How high a kind of method for improving of floor anti-bending strength and shear behavior is using above-mentioned orthogonal laminated wood plate conduct The floor of layer timber buildings.
The beneficial effects of the present invention are:
1) connection function of the nanocomposite in timber micro-structure can be made full use of, the roller shear for significantly improving timber is strong Degree and tensile strength perpendicular to grain, so that the roller shear of orthogonal glued wood floor effectively be inhibited to destroy.
2) nanocomposite is also remarkably improved the performance of glue-line and the adhesive property of glue-line and timber, thus effectively Inhibit the tear failure of orthogonal laminated wood plate mesoglea.
3) this orthogonal laminated wood plate simple structure, it is easy for construction, it is promoted convenient for engineering.
4) wooden floor anti-bending strength and shear behavior is substantially improved, it is of great advantage to the popularization of wooden building.
Detailed description of the invention
Fig. 1 is the main view for the orthogonal laminated wood plate that the nanocomposite of three-decker is reinforced.
Fig. 2 is the main view for the orthogonal laminated wood plate that the nanocomposite of five-layer structure is reinforced.
Fig. 3 is the main view for the orthogonal laminated wood plate that the nanocomposite of seven-layer structure is reinforced.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the left view of Fig. 2.
Fig. 6 is the left view of Fig. 3.
In figure, 1. first plates, 2. second plates, 3. structural adhesive layers.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
Referring to Fig. 1-Fig. 6, a kind of orthogonal laminated wood plate that nanocomposite is reinforced, including the first plate 1, the second plate Material 2, structural adhesive layer 3;First plate 1 is to make nanometer by Nanocomposite solution immersion treatment, and using ultrasonic wave Composite material evenly spreads to the plate after the micro-structure of timber;First plate 1 is alternate with the second plate 2 to be superimposed and passes through structure Glue-line 3 is glued, and top layer and bottom are the second plate 2;The grain direction of first plate 1 and the second plate 2 is mutually perpendicular to, knot Closing Fig. 1 and Fig. 4 can be seen that.
In this embodiment, more than 1 one layers of 2 to the first plate of the second plate in the orthogonal laminated wood plate, total number of plies is Odd number more than or equal to three, as shown in figures 1 to 6.
In this embodiment, shape, the size of each laminate material are all the same, as shown in figures 1 to 6.
In this embodiment, first plate 1 is composed of multiple batten structures spliced in X direction, and described Two plates 2 are composed of multiple batten structures along Y-direction splicing, and the X is to vertical with Y-direction.
A kind of more high-rise timber buildings, using orthogonal laminated wood plate described in any one of the above.
When this orthogonal laminated wood plate specifically makes, comprising the following steps: it is molten that common plate is put into nanocomposite In liquid, and in the micro-structure for making nanocomposite be evenly dispersed into timber using ultrasonic wave in the solution, it is made the One plate 1;Be overlapped combination to several first plates 1 and the second plate 2: the second plate 2 is set to orthogonal laminated wood plate Top and bottom position;The grain direction of first plate 1 and the second plate 2 is arranged vertically;Orthogonal laminated wood plate can be according to 3 Layer, 5 layers and 7 layers of progress are glued.Proper amount of nano composite material is added in structural adhesive layer 3, is adjusted to uniformly, then be injected into plate Material bonding surface forms orthogonal glue laminated wood member by pressurized treatments.
Carbon nanotube, graphene etc. can be selected in nanocomposite.
As the method for improving of floor anti-bending strength and shear behavior, above-mentioned orthogonal laminated wood plate conduct can also be used The floor of more high level timber buildings.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis It changes or improves, under the premise of not departing from the present invention total design, these transformation or improve all should belong to that the present invention claims guarantors Within the scope of shield.

Claims (9)

1. the orthogonal laminated wood plate that a kind of nanocomposite is reinforced, it is characterised in that:
Including the first plate (1), the second plate (2), structural adhesive layer (3);
First plate (1) is to make nanocomposite by Nanocomposite solution immersion treatment, and using ultrasonic wave Plate after evenly spreading to the micro-structure of timber;
First plate (1) is alternate with the second plate (2) to be superimposed and passes through structural adhesive layer (3) gluing, and top layer and bottom are the second plate Material (2);
First plate (1) and the grain direction of the second plate (2) are mutually perpendicular to.
2. the orthogonal laminated wood plate that nanocomposite as described in claim 1 is reinforced, it is characterised in that: the orthogonal glue The second plate (2) ratio mostly one layer of the first plate (1) in wood plank is closed, total number of plies is the odd number more than or equal to three.
3. the orthogonal laminated wood plate that nanocomposite as described in claim 1 is reinforced, it is characterised in that: each laminate material Shape, size are all the same.
4. the orthogonal laminated wood plate that nanocomposite as described in claim 1 is reinforced, it is characterised in that: first plate Material (1) is composed of multiple batten structures spliced in X direction, and second plate (2) is by multiple items spliced along Y-direction Hardened structure is composed, and the X is to vertical with Y-direction.
5. a kind of more high-rise timber buildings, which is characterized in that using any one described orthogonal laminated wood in claim 1-4 Plate.
6. a kind of production method for the orthogonal laminated wood plate that nanocomposite is reinforced, which comprises the following steps:
Common plate is put into Nanocomposite solution, and keeps nanocomposite equal using ultrasonic wave in the solution It is distributed in the micro-structure of timber evenly, the first plate (1) is made;
Be overlapped combination to several first plates (1) and the second plate (2): the second plate (2) is set to orthogonal glued wood The top and bottom position of material;The grain direction of first plate (1) and the second plate (2) is arranged vertically;First plate (1) and the Gluing is carried out using structural adhesive layer (3) between two plates (2).
7. the production method for the orthogonal laminated wood plate that nanocomposite as claimed in claim 6 is reinforced, it is characterised in that: The structural adhesive layer (3) is the glue after being added to nanocomposite.
8. the production method for the orthogonal laminated wood plate that nanocomposite as claimed in claim 6 is reinforced, it is characterised in that: One or more of carbon nanotube, graphene can be selected in nanocomposite.
9. a kind of method for improving of floor anti-bending strength and shear behavior, it is characterised in that: using described in claim 1-4 just Hand over laminated wood plate as the floor of more high-rise timber buildings.
CN201910776806.2A 2019-08-22 2019-08-22 The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced Pending CN110405869A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910776806.2A CN110405869A (en) 2019-08-22 2019-08-22 The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910776806.2A CN110405869A (en) 2019-08-22 2019-08-22 The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced

Publications (1)

Publication Number Publication Date
CN110405869A true CN110405869A (en) 2019-11-05

Family

ID=68368494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910776806.2A Pending CN110405869A (en) 2019-08-22 2019-08-22 The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced

Country Status (1)

Country Link
CN (1) CN110405869A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113954485A (en) * 2021-10-26 2022-01-21 中建科技集团有限公司 Composite board structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2342954Y (en) * 1998-04-16 1999-10-13 杨玉福 Plywood
CN200963852Y (en) * 2006-11-01 2007-10-24 王萍 Solid wood structure plate
CN105710938A (en) * 2016-03-11 2016-06-29 北京海科华昌新材料技术有限公司 Grafted polyethylene non-formaldehyde plywood and preparing method thereof
JP2018086816A (en) * 2016-11-30 2018-06-07 株式会社バンブーケミカル研究所 Orthogonal laminated board using bamboo
CN108839144A (en) * 2018-08-29 2018-11-20 含山县金中环装饰材料有限公司 A kind of preparation method of fire-retardant mould proof glued board
CN211164392U (en) * 2019-08-22 2020-08-04 上海市建筑科学研究院 Nanocomposite reinforced orthogonal laminated wood panel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2342954Y (en) * 1998-04-16 1999-10-13 杨玉福 Plywood
CN200963852Y (en) * 2006-11-01 2007-10-24 王萍 Solid wood structure plate
CN105710938A (en) * 2016-03-11 2016-06-29 北京海科华昌新材料技术有限公司 Grafted polyethylene non-formaldehyde plywood and preparing method thereof
JP2018086816A (en) * 2016-11-30 2018-06-07 株式会社バンブーケミカル研究所 Orthogonal laminated board using bamboo
CN108839144A (en) * 2018-08-29 2018-11-20 含山县金中环装饰材料有限公司 A kind of preparation method of fire-retardant mould proof glued board
CN211164392U (en) * 2019-08-22 2020-08-04 上海市建筑科学研究院 Nanocomposite reinforced orthogonal laminated wood panel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113954485A (en) * 2021-10-26 2022-01-21 中建科技集团有限公司 Composite board structure

Similar Documents

Publication Publication Date Title
Wang et al. Feasibility of using poplar as cross layer to fabricate cross-laminated timber
CN110405869A (en) The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced
CN102561180A (en) Bamboo bridge deck
CN108360742A (en) A kind of prestressing with bond bamboo H-beam
CN208293858U (en) A kind of assembled floor made with CLT plate and unbonded prestressing tendon
CN101446063A (en) Bridge faceplate and preparation method thereof
CN211164392U (en) Nanocomposite reinforced orthogonal laminated wood panel
CN101775865A (en) Steel-bamboo or steel-wood composite floor slab
CN208996279U (en) A kind of unidirectional prestressing force two-way reinforced concrete laminated floor slab
CN107288335A (en) Composite bed building template and preparation method thereof
CN207194305U (en) One kind sets two-way shear connector FRP box section concrete combination beams
CN208650393U (en) A kind of steel plate enhancing compound CLT plate of bamboo and wood
CN108331253A (en) A kind of bamboo matter gluing box beam
CN105484355B (en) A kind of linked system of wooden concrete combined structure
CN205329843U (en) Connection system of wood - concrete integrated configuration
CN208645617U (en) A kind of compound CLT beam of fiber reinforcement bamboo and wood
CN203514619U (en) Unidirectional cross-laminated timber enhanced by longitudinal strip FRP (Fiber Reinforce Plastic)
Nurbaiah et al. Flexural behaviour of RC beams strengthened with externally bonded (EB) FRP sheets or Near Surface Mounted (NSM) FRP rods method
CN207954917U (en) A kind of building fiber reinforcing laminated plate
CN209066724U (en) A kind of prestressing with bond bamboo H-beam
KR101568964B1 (en) A Flooring For Arrest Of Noise
CN102092158A (en) Structure of sticking FRP fiber material on surface of concrete and implementation method thereof
CN209942039U (en) Parallel string steel bamboo combination truss structure
CN203514618U (en) Unidirectional cross-laminated timber (CLT) with vertically embedded FRP (Fiber Reinforce Plastic) enhancement board
CN208633382U (en) A kind of bamboo matter gluing box beam

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination