CN108360836A - A kind of support construction and its application - Google Patents
A kind of support construction and its application Download PDFInfo
- Publication number
- CN108360836A CN108360836A CN201810186410.8A CN201810186410A CN108360836A CN 108360836 A CN108360836 A CN 108360836A CN 201810186410 A CN201810186410 A CN 201810186410A CN 108360836 A CN108360836 A CN 108360836A
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- China
- Prior art keywords
- support construction
- pin
- fabric
- layer
- net
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0225—Increasing or restoring the load-bearing capacity of building construction elements of circular building elements, e.g. by circular bracing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0248—Increasing or restoring the load-bearing capacity of building construction elements of elements made of wood
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention belongs to civil engineering structure field more particularly to a kind of support construction and its applications.The present invention provides a kind of support constructions, including:Pin and reinforcement elements, reinforcement elements are set to the outside of pin;Reinforcement elements are made of cement matrix layer and multi-layer fiber fabric web, and cement matrix layer is covered in the outer surface of fabric net and the gap of fiberfill fibers fabric web.Application the present invention also provides above-mentioned support construction in backing material field and/or reinforcement material field.In the present invention, the syncretizing effect of fabric net and pin is more preferable, can effectively improve the bearing capacity of pin, bending resistance, shearing resistance, antitorque and stability;Meanwhile fiber fabric layer manufacturing cost is cheap, high temperature resistance is good, effectively extends the weatherability of product and reduces reinforcement cost;Third, operation standard specification;It solves in the prior art, there is can not take into account good consolidation effect simultaneously, reinforce durability and technological deficiency that reinforcement cost is cheap for the reinforcing of timber structure.
Description
Technical field
The invention belongs to civil engineering structure field more particularly to a kind of support construction and its applications.
Background technology
Timber structure is not only most important structure type in China's traditional architecture or the important composition portion in infrastructure
Point.Timber is that building field is one of common raw material, on the one hand, timber have lighter weight, strength parallel to grain higher and
Advantages of environment protection;On the other hand, timber is biomaterial, and deformation increases after being moistened, while also suffering from naturally
The influence of defect, bacterium, worm, high temperature, high humidity and etching medium, causes timber structure to need periodic maintenance and reparation.Due to timber
Performance may suffer from prodigious damage during service life, for timber structure of the remote past or newly-built timber structure, repair
It is urgently to be resolved hurrily with endurance issues.
In recent years, fibre reinforced composites (Fiber Reinforced Polymer, FRP) are widely used in coagulation
In soil structure and other structural strengthenings;FRP have lightweight, high-strength, corrosion-resistant, ductility is good and excellent with wood good compatibility
Point, existing research reinforce pin using the wet bonding techniques of FRP, and pin all obtains bright in bearing capacity, ductility and shock resistance after reinforcing
It is aobvious to be promoted.However, there is following disadvantages by FRP, such as:Non-refractory, be not suitable in moist surface or low temperature condition and
The cost of epoxy resin is higher.
Currently, both at home and abroad having fiber reinforced cement-based composite material compared with in-depth study and application, especially adding
Gu being made great progress in terms of concrete structure.Fiber knitted net enhances cement-based material (Textile Reinforced
Concrete, TRC) overcome that ordinary reinforced concrete durability is poor, crack resistance is poor, from the fatal defects such as great, and it is strong at it
Degree, ductility have a distinct increment in shock resistance, and the concrete/cement mortar for becoming most potential, which is expanded, applies alternative materials, and water
There are problems that making of mud base solves composite fireproof poor performance.
In the prior art, it is for having the existing restorative procedure of timber structure:Traditional replacement Local Damaged material is simultaneously noted
It penetrates resin filling or other materials filling crack, reinforced with metal machinery device or metal cap and the wet bonding of FRP is reinforced etc..It passes
There is some defects for the reinforcement and repair method of system, such as:Injecting resin is often obtained the enhancing degree of pin by subjective experience
It arrives, high for the skill requirement of technical staff, repair efficiency is poor;When being reinforced using metallic sheath or metal cap, metal and wood
There are compatibility issue between material, there is also corrosion problems for metal itself;Using the wet viscous reinforcing pins of FRP using full package or
Equidistantly the form of package pin is reinforced, and for wrapping up entirely, the FRP and amount of resin of consuming are larger, and cost is higher, right
For equidistantly discontinuous package, some pin exposes in air, reduces the service life of timber, whether
All there is high temperature resistance difference in full package or equidistantly package.
Therefore, a kind of support construction and its application are developed, for solving in the prior art, the reinforcing of timber structure there is
Good consolidation effect can not be taken into account simultaneously, reinforces durability and the cheap technological deficiency of reinforcement cost, become this field
Technical staff's urgent problem to be solved.
Invention content
In view of this, the present invention provides a kind of support construction and its application, for solving in the prior art, timber structure
Reinforce that there is can not take into account good consolidation effect simultaneously, reinforce durability and the cheap technological deficiency of reinforcement cost.
The present invention provides a kind of support construction, the support construction includes:Pin and reinforcement elements, the reinforcement elements
It is set to the outside of the pin;
The reinforcement elements are made of cement matrix layer and multi-layer fiber fabric web, and the cement matrix layer is covered in described
The outer surface of fabric net and the gap of the filling fabric net.
Preferably, the shape of the pin is selected from:In cylinder, rectangular column, hexagon column, octagon column and cylindroid
Any one.
Preferably, the fabric net is selected from:Carbon fibre fabric net, alkali-resistant glass fibre fabric web, basalt fibre
Fabric web, vegetable fibre fabric net, aramid fabric net, big strain pet fiber fabric web and
Any one or more in polyethylene naphthalate fiber fabric web.
Preferably, the cement matrix layer choosing from:Cement paste base layer, mortar matrix layer and cement concrete matrix
Layer in any one or more.
Preferably, the cement matrix layer is made of matrix skeletal grain, and the grain size of described matrix skeletal grain is less than 1.2mm.
The present invention also provides a kind of support constructions including described in any of the above one in backing material field and/or to add
Gu the application of Material Field.
In technical solution provided by the invention, fabric net is made of the fiber of both direction, obtained wooden group
Zygostyle is not only obviously improved in terms of bearing capacity compared to log column, in terms of bending resistance, shearing resistance, antitorque, stability
There is promotion.Meanwhile the construction method of the wooden coupled column supports prefabrication, final product quality is stable, easily controllable, and saves a large amount of
Manually.
In conclusion the present invention provides a kind of support construction, the support construction includes:Pin and reinforcement elements, institute
State the outside that reinforcement elements are set to the pin;The reinforcement elements are made of cement matrix layer and multi-layer fiber fabric web,
The cement matrix layer is covered in the outer surface of the fabric net and the gap of the filling fabric net.The present invention
Additionally provide application of the above-mentioned support construction in backing material field and/or reinforcement material field.Technical side provided by the invention
In case, the syncretizing effect of fabric net and pin is more preferable, can effectively improve the bearing capacity of pin, bending resistance, shearing resistance, it is antitorque and
Stability;Meanwhile fiber fabric layer manufacturing cost is cheap, high temperature resistance is good, effectively extends the weatherability of product;Third,
Operation standard specification effectively reduces the dependence to technical staff's empirical value.It a kind of support construction provided by the invention and its answers
With, solve in the prior art, the reinforcing of timber structure there is can not take into account simultaneously good consolidation effect, reinforce durability with
And the technological deficiency that reinforcement cost is cheap.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is 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 is a kind of dimensional structure diagram of support construction in technical solution provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of fabric net in a kind of support construction provided in an embodiment of the present invention;
Fig. 3 is the one of which structural representation of obtained support construction in technical solution provided in an embodiment of the present invention
Figure;
Fig. 4 is another structural schematic diagram of obtained support construction in technical solution provided in an embodiment of the present invention;
Fig. 5 is the third structural schematic diagram of obtained support construction in technical solution provided in an embodiment of the present invention;
Fig. 6 is in technical solution provided in an embodiment of the present invention, and the structure that reinforcement elements constrain pin support concept is shown
It is intended to;
Wherein, pin 1, reinforcement elements 2, cement matrix layer 21 and fabric net 22.
Specific implementation mode
An embodiment of the present invention provides a kind of support construction and its applications, and for solving in the prior art, timber structure adds
Gu there is can not take into account good consolidation effect simultaneously, reinforce durability and the cheap technological deficiency of reinforcement cost.
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
In order to which the present invention is described in more detail, below in conjunction with the accompanying drawings to a kind of support construction provided by the invention and its application,
It is specifically described.
It please refers to Fig.1 to Fig. 6, an embodiment of the present invention provides a kind of support constructions, including:Pin 1 and reinforcement elements 2,
Reinforcement elements 2 are set to the outside of pin 1;Reinforcement elements 2 are made of cement matrix layer 21 and multi-layer fiber fabric web 22, cement
Base layer 21 is covered in the outer surface of fabric net 22 and the gap of fiberfill fibers fabric web 22.The embodiment of the present invention provides
A kind of support construction and its application, for solving in the prior art, the reinforcing of timber structure is good there is that can not take into account simultaneously
Consolidation effect, reinforce durability and the cheap technological deficiency of reinforcement cost.
In technical solution provided in an embodiment of the present invention, the reinforcement elements 2 of 1 periphery of pin are set to, by cement matrix layer
21 and 22 spaced composition of fabric net, 21 pairs of pin 1 of cement matrix layer carry out a constraint for preventing pin 1 from deforming.
22 stable structure of fabric net being made of the fiber of both direction is unlikely to deform, meanwhile, with reinforcement elements made of metal
It compares, the reinforcement elements 2 in the application have good compatibility with pin 1, can be obtained through measuring, obtained wood combination
Column is not only obviously improved in terms of bearing capacity compared to log column 1, is also had in terms of bending resistance, shearing resistance, antitorque, stability
It is promoted.Meanwhile the construction method of the wooden coupled column supports prefabrication, saves a large amount of artificial;Final product quality is stable, is easy to control
System, low for the dependence of technical staff's experience, product quality is stablized.
The good support effect of support construction is advanced optimized, while taking into account the aesthetics with support construction, the present invention is real
In a kind of support construction for applying example offer, the shape of pin 1 is selected from:Cylinder, rectangular column, hexagon column, octagon column and ellipse
Any one in cylinder.
To effectively improve the compatibility of fabric net 22 and pin 1, meanwhile, take into account with 22 high temperature resistant of fabric net,
Weather resistance is good, environmentally protective and low-cost design requirement, and in technical solution provided in an embodiment of the present invention, fiber is knitted
Object net 22 is selected from:Carbon fibre fabric net, alkali-resistant glass fibre fabric web, basalt fibre fabrics net, vegetable fibre fabric net, virtue
Synthetic fibre fabric net, big strain pet fiber fabric web and polyethylene naphthalate fiber are knitted
Any one or more in object net.
Similarly, it on the basis of ensuring that 21 pairs of pin 1 of cement matrix layer carry out operative constraint, while taking into account with cement matrix
Layer 21 does not interfere with 1 body structure of pin and is adversely affected to the reinforcing of fabric net 22, and the embodiment of the present invention carries
In a kind of support construction supplied, cement matrix layer 21 is selected from:Cement paste base layer, mortar matrix layer and coagulating cement soil matrix
Any one or more in body layer.
For ease of the site operation of support construction, while taking into account with 21 good binding effect of cement matrix layer, the present invention
In the technical solution that embodiment provides, cement matrix layer 21 is made of matrix skeletal grain, and the grain size of matrix skeletal grain is less than 1.2mm.
In conjunction with above-mentioned technical proposal, above-mentioned support construction provided in an embodiment of the present invention both can be applied to backing material
Field is directly applied as support member;It can also be applied to the application in reinforcement material field, for existing certain old
Change structure to be reinforced.
A kind of support construction provided in an embodiment of the present invention and its application are illustrated to be clearer, below to this hair
Bright embodiment carries out the construction method that live outsourcing pours and is briefly described.
S1:The pin surface for treating reinforcing is handled, and is allowed to smooth, bright;If there is breakage on pin surface, office should be replaced
Portion's damaged material and injecting resin or other materials filling crack, with specific reference to prior art regulation.
S2:Uniformly to pin surface jet cement base layer, wet spraying process can be used in jet cement base layer, i.e., with injection
Cement matrix is uniformly ejected into pin surface by machinery.
S3:Pin is wrapped up with fabric net, first layer fabric net is pressed lightly on into cement base layer
In, so that cement matrix layer is penetrated the hole of all first layer fabric nets, fill-before-fire cement matrix layer is to being completely covered first
Layer fabric net;Second layer fabric net is pressed lightly on into cement base layer, is repeated above operation, until design institute
Outermost fibers fabric web is needed to be covered by cement matrix.Jet cement base layer is preferably still in the upper cement matrix layer once sprayed
It is carried out in the case of initial set.
Can be obtained from above-mentioned technical proposal, a kind of support construction provided in an embodiment of the present invention and its application, have with
Lower advantage:
(1), used fabric fibre and timber compatibility are good, avoid metal and the incompatible problem of timber, fine
The reinforcement elements that dimensional fabric net and cement matrix layer are formed can be such that pin is encroached on from the external world, greatly as the protective layer of pin
The big service life for extending timber;
(2), pin in intensity, ductility, shock resistance and is prevented invading after support result produced by the present invention is either reinforced
There is certain promotion in terms of evil ability, and fiber itself is to person poultry harmless, while also avoiding the wet bonding of FRP and reinforcing pin institute
Existing cost is higher, complex procedures problem, solves the problems, such as composite material non-refractory, has good Technological Economy effect
Benefit and environmental protection benefit;
(3), technical solution provided by the invention, support construction can be prefabricated in the factory, and can also construct at the scene, right
In newly-built structure, support construction of the invention can be used as supporting member, and be prefabricated in the factory, method in section design and connection side
Method refers to《Code for design of timber structures》With《Fibre reinforced composites construction project application technology specification》, convenient for standardization pipe
Reason, product quality are stablized;
(4), technical solution provided in an embodiment of the present invention can be used as the reinforcement means of existing timber structure supporting member, i.e.,
Pin reinforcement means is wrapped up with fabric enhancing cement-base composite material, if cement matrix has higher early strength, also
Can urgent consolidation process be carried out to timber structure in a short time, in site operation, cement matrix layer can be sprayed with injector, be had
Effect saves construction cost and accelerates engineering construction speed.
In conclusion the present invention provides a kind of support construction, the support construction includes:Pin and reinforcement elements, institute
State the outside that reinforcement elements are set to the pin;The reinforcement elements are made of cement matrix layer and multi-layer fiber fabric web,
The cement matrix layer is covered in the outer surface of the fabric net and the gap of the filling fabric net.The present invention
Additionally provide application of the above-mentioned support construction in backing material field and/or reinforcement material field.Technical side provided by the invention
In case, the syncretizing effect of fabric net and pin is more preferable, can effectively improve the bearing capacity of pin, bending resistance, shearing resistance, it is antitorque and
Stability;Meanwhile fiber fabric layer manufacturing cost is cheap, high temperature resistance is good, effectively extends the weatherability of product and reduction
Reinforcement cost;Third, operation standard specification effectively reduce the dependence to technical staff's empirical value.Provided by the invention one
Kind support construction and its application, solve in the prior art, there is can not take into account good reinforcing simultaneously for the reinforcing of timber structure
Effect reinforces durability and the cheap technological deficiency of reinforcement cost.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of support construction, which is characterized in that the support construction includes:Pin and reinforcement elements, the reinforcement elements are set
It is placed in the outside of the pin;
The reinforcement elements are made of cement matrix layer and multi-layer fiber fabric web, and the cement matrix layer is covered in the fiber
The outer surface of fabric web and the gap of the filling fabric net.
2. support construction according to claim 1, which is characterized in that the shape of the pin is selected from:Cylinder, rectangular column,
Any one in hexagon column, octagon column and cylindroid.
3. support construction according to claim 1, which is characterized in that the fabric net is selected from:Carbon fibre fabric net,
Alkali-resistant glass fibre fabric web, basalt fibre fabrics net, vegetable fibre fabric net, aramid fabric net, poly- pair of big strain
Any one or more in ethylene terephthalate fabric net and polyethylene naphthalate fiber fabric web.
4. support construction according to claim 1, which is characterized in that the cement matrix layer choosing is certainly:Cement paste matrix
Any one or more in layer, mortar matrix layer and cement concrete base layer.
5. support construction according to claim 1, which is characterized in that the cement matrix layer is made of matrix skeletal grain, institute
The grain size for stating matrix skeletal grain is less than 1.2mm.
6. a kind of support construction including described in claim 1 to 5 any one is led in backing material field and/or reinforcement material
The application in domain.
Priority Applications (1)
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CN201810186410.8A CN108360836A (en) | 2018-03-07 | 2018-03-07 | A kind of support construction and its application |
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CN201810186410.8A CN108360836A (en) | 2018-03-07 | 2018-03-07 | A kind of support construction and its application |
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CN201810186410.8A Pending CN108360836A (en) | 2018-03-07 | 2018-03-07 | A kind of support construction and its application |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115012581A (en) * | 2022-06-08 | 2022-09-06 | 商丘师范学院 | Fiber reinforced composite material reinforced concrete beam member and preparation method thereof |
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JP2007239421A (en) * | 2006-03-13 | 2007-09-20 | Fujita Corp | Method of reinforcing existing structure |
CN203201169U (en) * | 2013-04-09 | 2013-09-18 | 嘉兴职业技术学院 | Reinforced wood beam of fiber enhanced composite material |
CN203271168U (en) * | 2013-04-17 | 2013-11-06 | 唐霞 | Historic building wood column reinforced by fiber reinforced materials |
CN208105668U (en) * | 2018-03-07 | 2018-11-16 | 广东工业大学 | A kind of support construction |
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2018
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JP2007239421A (en) * | 2006-03-13 | 2007-09-20 | Fujita Corp | Method of reinforcing existing structure |
CN203201169U (en) * | 2013-04-09 | 2013-09-18 | 嘉兴职业技术学院 | Reinforced wood beam of fiber enhanced composite material |
CN203271168U (en) * | 2013-04-17 | 2013-11-06 | 唐霞 | Historic building wood column reinforced by fiber reinforced materials |
CN208105668U (en) * | 2018-03-07 | 2018-11-16 | 广东工业大学 | A kind of support construction |
Non-Patent Citations (2)
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CN115012581A (en) * | 2022-06-08 | 2022-09-06 | 商丘师范学院 | Fiber reinforced composite material reinforced concrete beam member and preparation method thereof |
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Application publication date: 20180803 |