CN107984812A - Composite fiber tissue layer, the composite fiber sheet material and composite fiber adhesive tape for including it - Google Patents
Composite fiber tissue layer, the composite fiber sheet material and composite fiber adhesive tape for including it Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 172
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered 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
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of composite fiber tissue layer, include its composite fiber sheet material and composite fiber adhesive tape.Composite fiber tissue layer is formed by optical fiber and fiber mixed weaving, and preparation method includes：Selection, distribution density and the count design of optical fiber and fiber, the braiding of warp-wise laying method, broadwise and fixing means etc.；Composite fiber sheet material includes the composite fiber tissue layer；Composite fiber adhesive tape includes the composite fiber tissue layer, further includes gauze layer and glue-line, preparation method includes：Breadth design, fiber selection, optical fiber selection, the preparation of fleece-laying method, adhesive tape etc., preparation method is easy to operate.Structure design advantages of simple of the present invention, excellent product performance, can long-duration load use, monitoring signals stablize.Production prepares efficient quick, it can be achieved that extensive, industrialized production.The military services such as material, the structure of different area monitoring is can be widely applied for, strong support and technical guarantee are provided for engineering construction construction, maintenance and monitoring etc..
Description
Technical field
The present invention relates to engineering construction technical field, can be widely applied to engineering construction, maintenance and intellectual monitoring, sends out at the same time
Wave structure efficiently reinforce, security maintenance with health from monitoring etc. multiple use, more particularly to a kind of composite fiber knit
Nitride layer, the composite fiber sheet material and composite fiber adhesive tape for including it.
Background technology
High-performance fiber reinforced resin based composites (FRP) have lightweight, high-strength, corrosion-resistant, flexible design, construction soon
The excellent specific properties such as victory, applied to engineering construction field, have the irreplaceable performance advantage of traditional material.Using FRP sheet materials pair
Existing building structure carry out rapid reinforcement reparation, greatly save society, financial cost, or by FRP material design be prepared into it is new
Structural elements, substitutes the metal materials and conventional building construction etc. such as reinforcing bar, promotes engineering structure to superelevation, superpower, super-span, length
Formula spanning development is changed in durable direction, becomes the research hotspot of domestic and foreign scholars' extensive concern.At this stage, FRP is built as new
Build material exclusive use, or with the working mechanism of the traditional material such as ground, concrete, steel and its structural elements synergistic effect,
Long service performance, safeguard that key mechanism, technology and the delivery receiving acceptances such as reparation etc. wait further investigation and break through, and hinders its big rule
Molded Depth enters to promote and apply.
By intellectual monitoring means, by the crackle of FRP material or the generation of structural elements military service process, deformation, structure
Damage etc. develops and change progress is timely and effective from monitoring, and has before inside configuration morphs and forms major accident
Effect precognition and alarm, the long-term safety of Reliable Design application and structural elements to guiding material, which is on active service, to be of great significance.
In recent years, optical fiber is introduced to receive significant attention applied to engineering construction field as intellectual monitoring means.Usual work
Optical fiber is pasted onto by monitoring of structures surface using epoxy resin in journey, but since bare fibre is thin and crisp, it is necessary to monitoring thing surface
Tight bond, and need to be laid with even straight.Optical fiber dosage applied to common engineering reality is grown greatly, using length, paste process of constructing
The bent wrinkle even brittle failure of naked fibre easily occurs, very big inconvenience is brought to execute-in-place.Certain methods are proposed optical fiber together with fiber
The composite material containing optical fiber is prepared into through composite material process planning, is mainly used for the monitorings such as strain and the temperature of multiple material structure,
Composite material also plays the role of packaging protection to optical fiber at the same time.But the forming process of optical fiber embedment composite material need to pass through drawing
The processing steps such as crowded/winding/priming by vacuum/compression molding, are usually subjected to high temperature and pressure and the effect of certain drafting force, naked fibre pole
Brittle failure easily occurs in the process, embedment survival rate is very low.In addition the material gender gap of naked fibre and reinforcing fiber is larger, in composite wood
During expecting forming and hardening, naked fibre ambient stress/strain can be caused to concentrate, the heat that composite material solidification process produces in addition is remaining
Stress, produces optical fiber measurement data precision different degrees of influence.The more difficult large-scale industrial production of product, technology controlling and process
Relatively it is difficult to guarantee with terms of product stability.On the other hand, the addition of optical fiber, destroys the structural homogeneity of composite material in itself,
There are harmful effect for mechanical property, endurance quality to multiple material etc..
Therefore, how providing one kind can ensure that fiber-optic monitoring signal stabilization, excellent combination property, engineer application are efficiently fast
The problem of victory, intellectual monitoring product applied widely is those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, the present invention provides a kind of composite fiber tissue layer, the composite fiber sheet material and complex light that include it
Fine adhesive tape, its preparation method feature, outstanding advantages and solves the problems, such as：
(1) technology of preparing：Using the easy mechanical braid mean of technology, compared to traditional fiber and the composite molding work of fiber
Skill, on the one hand effectively prevent traditional fiber and is acted on during composite molding technique through high temperature and pressure and tractive force, easily
The problem of causing brittle failure, optical fiber are embedded to the problem of composite material survival rate is low and survival rate is unstable；It effectively prevent because of optical fiber
It is larger with undulation degree sex differernce, due to introducing optical fiber during composite material forming and hardening, cause composite material forming and hardening mistake
Journey causes stress/strain to be concentrated around optical fiber, thermal residual strain collection is medium influences significantly to ask on optical fiber measurement data precision
Topic；It effectively prevent optical fiber and participate in composite material shaping, interference even destroys the structural homogeneity of composite material in itself, so that
The problem of causing multiple material mechanical property, endurance quality etc. to produce harmful effect.Comprehensive, this mechanical weaving is from entirety
On solve the technical barrier of optical fiber and composite material high efficiency composition, solve the problems, such as that fiber-optic monitoring signal is steady and audible, solve
Determine optical fiber and multiple material interdependence and the problem of structural behaviour is not interfere with each other, and greatly solve the extensive of this type product
The technical barrier of industrialized production, technology controlling and process and product stability etc..
(2) preparation method, including breadth design, optical fiber select, fiber selects, fleece-laying method determines：According to quilt
Size, signal resolution, collection sampling point, length distance, bearing capacity size and the load direction of monitoring object require, durability is wanted
Ask, determine present invention design preparation method, including：Selection, the design of fleece-laying mode of breadth size, optical fiber and fiber
Deng.The multifunctionality of the present invention is farthest played, design is stronger, better adaptability, while reduces cost.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of composite fiber tissue layer, the composite fiber tissue layer are formed by optical fiber and fiber mixed weaving.
Preferably, in above-mentioned composite fiber tissue layer, distribution of the optical fiber in the composite fiber tissue layer is close
Degree is 1-100 roots/rice wide cut.
Preferably, in above-mentioned composite fiber tissue layer, the fiber is high performance fibre material or general fibre material.
Preferably, in above-mentioned composite fiber tissue layer, the high performance fibre material include carbon fiber, aramid fiber,
Basalt fibre or glass fibre.
A kind of composite fiber tissue layer preparation method, specifically includes following steps：
1) suitable optical fiber and fiber are selected, and determines optical fiber and fibrage density；
2) warp-wise tight type parallel laid optical fiber and fiber, wherein optical fiber uniformly disperse sandwiched among the fibers；
3) fiber and optical fiber being laid with to step 2) carry out broadwise braiding with fiber and fix, composite fiber tissue layer density symbol
Close the sets requirement of step 1).
Preferably, in the preparation method of above-mentioned composite fiber tissue layer, the composite fiber fabric of the step 3) preparation
The breadth scope of layer is 0.5-100cm.
A kind of composite fiber sheet material, includes any of the above-described composite fiber tissue layer.
A kind of composite fiber adhesive tape, comprising any of the above-described composite fiber tissue layer, further includes：It is arranged on described multiple
Gauze layer on the downside of closing light fibre tissue layer, and the glue-line on the downside of the gauze layer.
A kind of preparation method of composite fiber adhesive tape, it is characterised in that specifically include following steps：
A. breadth designs；
B. fiber selects；
C. optical fiber selects；
D. fleece-laying method determines；
E. the preparation of composite fiber adhesive tape.
A kind of application of the composite fiber tissue layer, the composite fiber tissue layer are applied to applying for construction project
Work, maintenance and intellectual monitoring.
It can be seen via above technical scheme that compared with prior art, a kind of composite fiber tissue layer provided by the invention,
Composite fiber sheet material, composite fiber adhesive tape comprising it, structure design advantages of simple, product mechanical property and endurance quality are excellent
It is different, can long-duration load use, and monitoring signals stablize.Production prepares efficient quick, it can be achieved that extensive, industrial metaplasia
Production.The military services such as material, the structure of different area monitoring is can be widely applied for, is carried for engineering construction construction, maintenance and monitoring etc.
Strong support and technical guarantee are supplied.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawings are structure diagram of the invention；
Fig. 2 attached drawings are the weaving manner schematic diagram of the embodiment of the present invention.
In above-mentioned attached drawing：
1 it is composite fiber tissue layer, 2 be gauze layer, 3 be glue-line, 4 be optical fiber, 5 be warp fiber, 6 is weft fiber.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
A kind of composite fiber tissue layer provided by the invention, the composite fiber sheet material comprising it, composite fiber adhesive tape, first
Can according to the size of different building structure or monitored thing carry out product breadth design, solve high temperature extrusion technique into
The problem of breadth is narrow during type, so that it is more to can be widely used in house, bridge, tunnel, roadbed, side slope, underground engineering etc.
Construction, maintenance and the intellectual monitoring in field；Such as：Monitoring is safeguarded available for engineering structure small area intellectual monitoring or large area,
For example local monitoring in real time is carried out to the crack of small area, or the military service monitoring of the structural material such as relatively narrow muscle material of pair cross-section,
And be on active service monitoring, the reinforcing such as greater area of side slope of the component of slightly larger area is safeguarded and monitored；The product that the present invention designs can be real
Now extensive, industrialized production, which is that the structural strain in engineering construction monitors, reinforces maintenance, security protection etc., provides technology
Support and ensure, have a vast market development space.
Embodiment 1
Relevant attached drawing is referred to, the present invention provides a kind of composite fiber tissue layer 1, composite fiber tissue layer is by light
Fibre 4 and fiber mixed weaving form.
In order to further optimize above-mentioned technical proposal, optical fiber 4 gathers signal point according to the size of monitored object, sensor
Resolution, collection sampling point and length distance etc. composite factor select suitable optical fiber, and determine optical fiber in composite fiber tissue layer 1
The distribution density of warp-wise, thus can meet different monitoring requirements, design is stronger, better adaptability, while reduces into
This.
In order to further optimize above-mentioned technical proposal, distribution density of the optical fiber in composite fiber tissue layer be 1-100 roots/
Rice wide cut.
In order to further optimize above-mentioned technical proposal, the count of composite fiber tissue layer 1 is 150~300g/m2。
In order to further optimize above-mentioned technical proposal, fiber is selected from high performance fibre material or common fine according to use demand
Tie up material；Wherein when building structure has reinforcing demand, high performance fibre material is selected, such as carbon fiber, aramid fiber, the Black Warrior
Rock fiber or glass fibre；High performance fibre material disclosure satisfy that the demand of mechanical property and endurance quality, and can be one
Determine to carry the damage deformation of monitored structure in degree, at the same its excellent durability can ensure it is right during long service
Optical fiber plays a good protective effect；,, can to reduce cost when not requiring bearing capacity and durability when being only used for monitoring
Select general fibre material.
Wherein, conventional high-performance fiber fabric Main Mechanical is as shown in table 1 below.
The conventional high-performance fiber fabric Main Mechanical of table 1
| Product | Tensile strength (MPa) | Elasticity modulus (GPa) | Elongation at break (%) |
| Carbon fibre fabric | ≥2500 | ≥210 | ≥1.3 |
| Glass fabric | ≥1500 | ≥75 | ≥2.0 |
| Basalt fibre fabrics | ≥2000 | ≥90 | ≥2.0 |
| Aramid fabric | ≥2000 | ≥110 | ≥2.0 |
Embodiment 2
A kind of preparation method of composite fiber tissue layer, specifically includes following steps：
1) suitable optical fiber and fiber are selected according to the demand of engineer application, and determines optical fiber and fibrage density；Such as
Fruit has the broadwise of composite fiber tissue layer the requirement of bearing capacity and durability, then fiber used in warp-wise and broadwise selects
High-performance fiber, if requirement of the broadwise without bearing capacity and durability to composite fiber tissue layer, warp-wise selection high-performance is fine
General fibre may be selected in dimension or general fibre, broadwise；
2) warp-wise tight type parallel laid optical fiber and fiber, wherein optical fiber uniformly disperse sandwiched among the fibers；
3) fiber and optical fiber being laid with to step 2) carry out broadwise braiding with fiber and fix, composite fiber tissue layer density symbol
Close the sets requirement of step 1).
In order to further optimize above-mentioned technical proposal, the breadth scope of composite fiber tissue layer prepared by step 3) is 0.5-
100cm。
The Main Mechanical for the composite fiber tissue layer that table 2 is prepared for different fibers with optical fiber shuffling.
2. composite fiber tissue layer Main Mechanical of table
| Product | Tensile strength (MPa) | Elasticity modulus (GPa) | Elongation at break (%) |
| Carbon fiber/fiber textile layer | ≥2500 | ≥210 | ≥1.3 |
| Glass fibre/fiber textile layer | ≥1500 | ≥75 | ≥1.9 |
| Basalt fibre/fiber textile layer | ≥2000 | ≥90 | ≥1.9 |
| Aramid fiber/fiber textile layer | ≥2000 | ≥110 | ≥2.0 |
| General fibre/fiber textile layer | ≥200 | ≥10 | ≥2.2 |
| Ordinary optic fibre | ≥600 | ≥15 | ≥4.0 |
As shown in Table 2：Composite fiber tissue layer mechanical property：Since optical fiber has relatively large elongation at break,
During bearing load, for high-performance fiber tissue layer before being broken, maximum magnitude bears Main Mechanical, very big journey
The protection optical fiber of degree is injury-free.
Embodiment 3
A kind of composite fiber sheet material, includes composite fiber tissue layer 1.
Embodiment 4
A kind of composite fiber adhesive tape, comprising composite fiber tissue layer 1, the gauze being arranged on the downside of composite fiber tissue layer 1
Layer 2, the glue-line 3 positioned at the downside of gauze layer 2；Composite fiber tissue layer 1 is formed by optical fiber 4 and 5 warp knit of warp fiber, and is passed through
6 broadwise of weft fiber, which is fixed, forms composite fiber tissue layer 1.
In order to further optimize above-mentioned technical proposal, yarn or braiding cord fabric thread yarn can be selected in weft fiber 6.
In order to further optimize above-mentioned technical proposal, optical fiber 4 gathers signal point according to the size of monitored object, sensor
Resolution, collection sampling point and length distance etc. composite factor select suitable optical fiber.Such as monitored object is large scale bridge floor
Plate, side slope when reinforcing maintenance and during intellectual monitoring, one side maximum area meets reinforcement criteria, therefore breadth width in design
Maximize design；On the other hand, intellectual monitoring light is designed in floorings central axes forced position, side slope significant data gathering line
Fibre, comprehensive definite optical fiber 4 are 2-1 roots/rice wide cuts in the distribution density of composite fiber tissue layer 1.
In order to further optimize above-mentioned technical proposal, gauze layer 2 is used to protect composite fiber tissue layer 1, and can control
During side impregnation forms glue-line 3 pumping, fracture of wire phenomenon occur for system and reduction composite fiber tissue layer 1, can be effective
Play and coordinate the bond effect that composite fiber knits adhesive tape entirety；Gauze layer 2 is 8~12 mesh, in actual production, the hole of gauze layer 2
Gap size is preferably controlled in 10 mesh or so.
In order to further optimize above-mentioned technical proposal：The material of glue-line 3 includes epoxy resin, its epoxy resin have compared with
Strong endurance quality, the construction quality of effective guarantee construction monitoring；And the thickness range of glue-line 3 is 0.03~0.05mm, glue
The piece of surface covering glass paper of layer 3；On the one hand the setting of glassine paper avoids the adhesion between glue-line 3, protection is played to glue-line 3
Effect；Glassine paper need to be only thrown off when on the other hand using, directly by glue-line 3 and applies surface mount, it is convenient and efficient.
In order to further optimize above-mentioned technical proposal, the count of composite fiber tissue layer 1 is 150~300g/m2。
Embodiment 5
In the present embodiment, optical fiber 4 gathers signal resolution, collection sampling point according to the size of monitored object, sensor
And the composite factor such as length distance selects suitable optical fiber.Such as when being monitored object as compared with small area section bar or component etc.,
Comprehensive definite optical fiber 4 is 50 piece/meter wide cuts in the distribution density of composite fiber tissue layer 1, and other parts are with reference to embodiment 4, no
Repeat again.
Embodiment 6
In the present embodiment, optical fiber 4 gathers signal resolution, collection sampling point according to the size of monitored object, sensor
And the composite factor such as length distance selects suitable optical fiber.Such as monitored object be more small area structure load material rib,
When rope, grid etc., comprehensive definite optical fiber 4 is 100 piece/meter wide cuts in the distribution density of composite fiber tissue layer 1, and other parts are joined
According to embodiment 4, repeat no more.
Embodiment 7
A kind of preparation method of composite fiber adhesive tape, specifically includes following steps：
A. breadth designs：The breadth for determining composite fiber adhesive tape according to use environment and requirement of engineering designs；
B. fiber selects：High performance fibre material is selected according to the use demand in terms of reinforcing bearing capacity and durability, when
It is only used for monitoring, when not requiring composite fiber sheet material bearing capacity and durability, to reduce cost, general fibre material may be selected
Material；
C. optical fiber selects：Suitable optical fiber is selected according to the requirement of the environment of actual monitoring and resolution ratio；
D. fleece-laying method determines：According to engineer application to the intensity requirement of composite fiber sheet material and carrying force direction
Demand determine optical fiber and fibrage density and weaving manner；Under normal circumstances, fiber is formed with optical fiber warp knit, by common
Fiber yarn broadwise fixes and is prepared into composite fiber tissue layer, has both given full play to composite fiber adhesive tape and has unidirectionally had along its length
There is excellent bearing capacity, and can be effectively cost-effective；It should be noted that there is the composite fiber of intensity requirement for broadwise
Sheet material is, it is necessary to carry out fiber and optical fiber warp knit and weft knitting, and weft knitting needs to select high-performance fiber to meet to the strong of broadwise
Degree demand.
E. the preparation of composite fiber adhesive tape：Will according to the count and weaving manner of the step d optical fiber determined and fiber
The fiber of step b selections and the optical fiber of step c selections carry out shuffling, prepare the complex light for meeting step a breadth design requirements
Fine tissue layer；Gauze layer is fixed on the downside of composite fiber tissue layer, glue-line is adhered on the downside of gauze layer, glue-line can be by multiple
The mode of closing light fibre tissue layer impregnation drying is formed.
In order to further optimize above-mentioned technical proposal, the bondline thickness scope in step e is 0.03~0.05mm, and glue
The piece of surface covering glass paper of layer.
In order to further optimize above-mentioned technical proposal, further include and lopping envelope is carried out to the composite fiber adhesive tape of cover glass paper
Dress.
In order to further optimize above-mentioned technical proposal, the count of composite fiber tissue layer 1 is 150~300g/m2。
Embodiment 8
A kind of preparation method of composite fiber adhesive tape, specifically includes following steps：
A. breadth designs：The breadth for determining composite fiber adhesive tape according to use environment and requirement of engineering designs；
B. fiber selects：High-performance carbon fibre is selected according to the use demand in terms of reinforcing bearing capacity and durability；
C. optical fiber selects：Optical fiber is prepared according to the requirement of the environment of actual monitoring and resolution ratio；
D. fleece-laying method determines：According to engineer application to the intensity requirement of composite fiber sheet material and carrying force direction
Demand determine optical fiber and high-performance carbon fibre count；
E. the preparation of composite fiber adhesive tape：It will be walked according to the count of the step d optical fiber determined and high-performance carbon fibre
The carbon fiber of rapid b selections carries out shuffling with the step c optical fiber prepared, prepares the complex light for meeting step a breadth design requirements
Fine tissue layer；Adhere to glue-line on the downside of composite fiber tissue layer, glue-line can be by drying composite fiber tissue layer impregnation
Mode is formed.
In order to further optimize above-mentioned technical proposal, distribution density of the optical fiber in composite fiber tissue layer is 20 pieces/meter
Wide cut.
In order to further optimize above-mentioned technical proposal, the bondline thickness scope in step e is 0.04mm, and the table of glue-line
Face cover glass paper.
In order to further optimize above-mentioned technical proposal, further include and lopping envelope is carried out to the composite fiber adhesive tape of cover glass paper
Dress.
In order to further optimize above-mentioned technical proposal, the count of composite fiber tissue layer 1 is 150g/m2。
Embodiment 9
In the present embodiment, glass fibre, other portions are selected according to the use demand in terms of reinforcing bearing capacity and durability
Divide with reference to embodiment 8, repeat no more.
Embodiment 10
In the present embodiment, basalt fibre is selected according to the use demand in terms of reinforcing bearing capacity and durability, other
Partly referring to embodiment 8, repeat no more.
Embodiment 11
In the present embodiment, aramid fiber, other portions are selected according to the use demand in terms of reinforcing bearing capacity and durability
Divide with reference to embodiment 8, repeat no more
Embodiment 12
In the present embodiment, according to use demand, it is mainly used for data monitoring, does not have to bearing capacity of the present invention and endurance quality
When there are special requirement, general fibre is selected, other parts are repeated no more with reference to embodiment 8.
Embodiment 13
The test of endurance quality and mechanical property is carried out for composite fiber adhesive tape prepared by embodiment 8-12, such as table 3
Shown in table 4.
The endurance quality of 3 composite fiber adhesive tape of table
| Product | Endurance quality |
| Carbon fiber/optical fiber adhesive tape | >=25 years |
| Glass fibre/optical fiber adhesive tape | >=10 years |
| Basalt fibre/optical fiber adhesive tape | >=20 years |
| Aramid fiber/optical fiber adhesive tape | >=15 years |
| General fibre/optical fiber adhesive tape | >=3 years |
The Main Mechanical for the composite fiber adhesive tape that the different fibers of table 4 are prepared with optical fiber shuffling respectively
| Product | Tensile strength (MPa) | Elasticity modulus (GPa) | Elongation at break (%) |
| Carbon fiber/optical fiber adhesive tape | ≥2500 | ≥210 | ≥1.3 |
| Glass fibre/optical fiber adhesive tape | ≥1500 | ≥75 | ≥1.9 |
| Basalt fibre/optical fiber adhesive tape | ≥2000 | ≥90 | ≥1.9 |
| Aramid fiber/optical fiber adhesive tape | ≥2000 | ≥110 | ≥2.0 |
| General fibre/optical fiber adhesive tape | ≥200 | ≥10 | ≥2.2 |
Table 3 to carbon fiber/optical fiber adhesive tape, glass fibre/optical fiber adhesive tape, basalt fibre/optical fiber adhesive tape, aramid fiber/
Optical fiber adhesive tape and general fibre/optical fiber adhesive tape carry out endurancing, the results showed that：Fiber of the high-performance fiber as base material
Composite fiber adhesive tape endurance quality is good, is at least 10 years, and general fibre/optical fiber adhesive tape such as acrylic fiber adhesive tape durability is only high
In 3 years, therefore high-performance fiber had good durability as the fiber composite optical fiber adhesive tape of base material.
Table 4 shows：Since optical fiber has relatively large elongation at break, during bearing load, high-performance
Fiber composite optical fiber adhesive tape bears the load of maximum magnitude before being broken, and high degree protection optical fiber is injury-free.
Embodiment 14
On the basis of embodiment 8-12, the preparation of step e. composite fiber adhesive tapes is replaced by：Determined according to step d
The count of optical fiber and carbon fiber, the aramid fiber that step b is selected carry out shuffling with the step c optical fiber prepared, prepare
Meet the composite fiber tissue layer of step a breadth design requirements；Gauze layer is fixed on the downside of composite fiber tissue layer, in gauze layer
Downside adheres to glue-line, and glue-line can be formed by way of being dried to composite fiber tissue layer impregnation.
In order to further optimize above-mentioned technical proposal, the pore-size of gauze layer 2 is preferably controlled in 10 mesh；Band gauze layer 2
Different fibers prepare composite fiber adhesive tape product Main Mechanical it is as shown in table 5 below.
Different fiber composite optical fiber adhesive tape product Main Mechanicals of the table 5 with gauze
| Product | Tensile strength (MPa) | Elasticity modulus (GPa) | Elongation at break (%) |
| Carbon fiber/optical fiber adhesive tape | ≥2500 | ≥210 | ≥1.3 |
| Glass fibre/optical fiber adhesive tape | ≥1500 | ≥75 | ≥1.9 |
| Basalt fibre/optical fiber adhesive tape | ≥2000 | ≥90 | ≥1.9 |
| Aramid fiber/optical fiber adhesive tape | ≥2000 | ≥110 | ≥2.0 |
| General fibre/optical fiber adhesive tape | ≥200 | ≥10 | ≥2.2 |
As shown in Table 5：2 elongation strain rate of gauze layer is larger, and generally higher than 3%, break in fiber composite optical fiber Tape Pull
Not yet stress is lost before splitting (2%), therefore composite fiber adhesive tape mechanical property is had little to no effect.
Embodiment 15
According to the composite fiber adhesive tape mentioned by embodiment 4-14, there is provided a kind of construction method of composite fiber adhesive tape,
Composite fiber adhesive tape at least one layer is laid on monitored material, component, in structure, for intellectual monitoring；Or composite fiber adhesive tape
It is at least one layer of or be laid on point up and down in building structure for two layers, while safeguarded and intellectual monitoring for constructing, reinforcing.
When structure needs reinforcement maintenance, intellectual monitoring in itself, while typical material as the main load of structure, component etc.
When being also required to monitoring military service data, can be first laid with the structural bearing capacity material that need to monitor, the surface such as component first one layer it is compound
Optical fiber adhesive tape, treats that overall structure is reinforced after the completion of maintenance, one layer of composite fiber adhesive tape is re-layed in ruggedized construction outer surface, not only
The purpose of structural strengthening is realized, while the monitoring of health data can be carried out to structural bearing capacity material, component, evaluation is reinforced
Effect, improve the offer basic datas such as reinforcement technique, lifting reinforcing level.
The composite fiber adhesive tape that the present invention designs and reinforcing matrices of composite material fiber, and reinforce with the choosing such as performance glue
Material is consistent, it is ensured that monitoring adhesive tape and reinforcement material material homogeneity so that and both can quite beautiful match, and not repel mutually, so that
It ensure that the superiority of bonding and reinforcement construction quality.In addition the site operation means of composite fiber adhesive tape and multiple material structural strengthening side
Method is similar, and the invention product does not propose new demand to construction technology, effectively reduces technical difficulty.
In order to further optimize above-mentioned technical proposal, make when the monitored structure of structural strain monitoring mainly carries one direction
When firmly, such as beam, column, pipe, adhesive tape should along its length with structure-bearing direction parallel laid；When monitored structure is mainly held
When load power is multidirectional, composite fiber adhesive tape should be laid with along structure length direction in right-angled intersection is double-deck, and it is more to consider structure at this time
To the on-line monitoring of stress point, at the same it is maximum sized along structure length direction, it ensure that every optical fiber is not disrupted cutting, protect
Demonstrate,prove the normal acquisition of data.
In order to further optimize above-mentioned technical proposal, composite fiber adhesive tape is when in use first according to use environment and work
Journey needs to cut composite fiber sheet material, it is ensured that the maximum length direction of composite fiber adhesive tape, then composite fiber adhesive tape
Two ends reserve the width of 1~10cm, and optic fibre end is deeply determined along warp-wise, to avoid later stage external coating structure primer
And protective materials pollutes optic fibre end, therefore termination need to use protective quartz packaging protection, subsequently directly be connect with facilitating
Enter grating sensor.
For further, composite fiber adhesive tape is used cooperatively with reinforcement material：Cloth, plate, grid reinforcement material are such as reinforced,
In reinforcement material surface mount composite fiber adhesive tape, monitoring in real time is realized.Such as：, will be compound in landslide, side slope protection
Optical fiber adhesive tape is bonded in protection network, protective grille surface, carries out real time data monitoring, realizes disaster prevention.
For further, for the material for the maintenance that needs reinforcement, composite fiber adhesive tape can be straight separately as fiber cloth is reinforced
Connect laying to use, be such as used for bridge floor, bridge, column, stake, floor, exterior wall.
For further, in order to avoid causing to damage to optical fiber in composite fiber adhesive tape preparation process, material can be answered in fiber
Or the product surface such as section bar is directly taped outside, the data-signal during material military service can be effectively monitored, to material structure
Design, preparation, working service etc. basic basis are provided.
For further, in specific practice of construction scheme, first according to design drawing to the position that needs reinforcement, or need
The position of data monitoring is wanted, pulls stickup bit line, and monitored thing surface is handled, is beaten using sand-blasting machine or machinery
Mill, removes the impurity such as monitoring thing surface laitance, greasy dirt, occurs the portion of peeling, honeycomb, corrosive degradation deformation for monitoring thing surface
Position, should reject, to the layer inferior of larger area, surface reconditioning should be first carried out after rejecting.
Secondly, monitored thing surface need to polish flat, and especially surface projection position should polish；Corner location for paste should be fallen
Angle handles and is polished into arc-shaped, and with hair-dryer that monitored removing surface is clean and keep drying.
Then, a Rotating fields primer is brushed first on monitored thing surface, to ensure surface mount composite fiber adhesive tape
Reinforced or directly paste closely bonding for composite fiber adhesive tape and monitored face；Next road is carried out after curing etc. structure primer
Process.
Again, brush leveling glue and carry out that surface is levelling, and for rough surface, more rough situation, surface is again
Grinding process, and after applying brush configuration primer, should also brush one layer of leveling glue again, it is levelling to carry out surface；Effect is same as above, and ensures to paste tight
Close property.
Finally directly stickup or in fabric reinforcing layer surface mount composite fiber adhesive tape, specifically includes following steps：
(i) adhesive tape is cut；By construction requirement size, composite fiber adhesive tape is cut, it is ensured that composite fiber adhesive tape maximum length
Direction；Composite fiber adhesive tape two ends reserve 1-10cm width (according to actual job selection composite fiber adhesive tape type, complex light
Fine adhesive tape is laid with breadth), and deeply determine optic fibre end along warp-wise；To avoid later stage external coating structure primer and protective materials
Optical fiber end is polluted, at this time end protective quartz packaging protection, subsequently grating sensor is directly accessed to facilitate；
(ii) composite fiber adhesive tape bottom glass paper is peeled off, composite fiber adhesive tape is affixed directly to monitored face；It is laid with
When composite fiber adhesive tape should ensure that abundant flattening, must not have fold；With smooth roller in composite fiber tape surface along same side
To rolling repeatedly, to ensure that composite fiber adhesive tape is closely pasted with monitoring surface；
(iii) composite fiber tape surface uniformly brushes dipping, bonding application specific architecture glue together；For with long service
It is required that, its outermost should also carry out surfacecti proteon processing；Surface preventing material tackles fiber and adhesive is harmless, and should be with glue
Stick has reliable adhesion strength and mutually coordinated deformation performance；
(iv) composite fiber adhesive tape end should take corresponding addition thereto when necessary, such as take Interal fixation；Cut out
The optic fibre end gone out is answered exposed outside fixed strip；When needing monitoring, end protective case is removed, directly will cover glass under optical fiber adhesive tape
Glass film protection sheet is thrown off, and is affixed on grating sensor.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
1. a kind of composite fiber tissue layer, it is characterised in that the composite fiber tissue layer is by optical fiber and fiber mixed weaving
Form.
2. composite fiber tissue layer as claimed in claim 1, it is characterised in that the optical fiber is in the composite fiber tissue layer
In distribution density be 1-100 roots/rice wide cut.
3. composite fiber tissue layer as claimed in claim 1, it is characterised in that the fiber is high performance fibre material or general
Perforating fiber material.
4. composite fiber tissue layer as claimed in claim 3, it is characterised in that it is fine that the high performance fibre material includes carbon
Dimension, aramid fiber, basalt fibre or glass fibre.
A kind of 5. composite fiber tissue layer preparation method as described in claim 1-4 is any, it is characterised in that specifically include with
Lower step：
1) suitable optical fiber and fiber are selected, and determines optical fiber and fibrage density；
2) warp-wise tight type parallel laid optical fiber and fiber, wherein optical fiber uniformly disperse sandwiched among the fibers；
3) fiber and optical fiber being laid with to step 2) carry out broadwise braiding with fiber and fix, and composite fiber tissue layer density meets step
Rapid sets requirement 1).
6. the preparation method of composite fiber tissue layer as claimed in claim 5, it is characterised in that prepared by the step 3) answers
The breadth scope of closing light fibre tissue layer is 0.5-100cm.
7. a kind of composite fiber sheet material, it is characterised in that include claim 1-4 any one of them composite fiber tissue layers.
A kind of 8. composite fiber adhesive tape, it is characterised in that comprising claim 1-4 any one of them composite fiber tissue layers,
Further include：The gauze layer being arranged on the downside of the composite fiber tissue layer, and the glue-line on the downside of the gauze layer.
9. a kind of preparation method of composite fiber adhesive tape as claimed in claim 8, it is characterised in that specifically include following step
Suddenly：
A. breadth designs；
B. fiber selects；
C. optical fiber selects；
D. fleece-laying method determines；
E. the preparation of composite fiber adhesive tape.
A kind of 10. application of composite fiber tissue layer as described in claim 1-4 is any, it is characterised in that the complex light
Fine tissue layer is applied to construction, maintenance and the intellectual monitoring of construction project.
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| CN201711473850.3A CN107984812A (en) | 2017-12-29 | 2017-12-29 | Composite fiber tissue layer, the composite fiber sheet material and composite fiber adhesive tape for including it |
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|---|---|---|---|
| CN201711473850.3A CN107984812A (en) | 2017-12-29 | 2017-12-29 | Composite fiber tissue layer, the composite fiber sheet material and composite fiber adhesive tape for including it |
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| CN109870256A (en) * | 2019-03-08 | 2019-06-11 | 东莞理工学院 | A kind of monitoring DOFS-FRP cloth and its monitoring method certainly |
| CN111057477A (en) * | 2019-12-27 | 2020-04-24 | 中冶建筑研究总院有限公司 | FRP fiber adhesive tape for quick connection and fixed connection method thereof |
| CN112747780A (en) * | 2020-12-24 | 2021-05-04 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Adhesive tape type optical fiber sensor realized based on OTDR optical fiber scheme |
| CN113584669A (en) * | 2021-07-30 | 2021-11-02 | 宁波甬强科技有限公司 | Photoelectric glass fiber cloth and manufacturing method thereof |
| US20220064798A1 (en) * | 2020-08-31 | 2022-03-03 | Free Form Fibers, Llc | Composite tape with lcvd-formed additive material in constituent layer(s) |
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