CN107152171B - A kind of bracing means and reinforcement means with anchor structure - Google Patents
A kind of bracing means and reinforcement means with anchor structure Download PDFInfo
- Publication number
- CN107152171B CN107152171B CN201710309140.0A CN201710309140A CN107152171B CN 107152171 B CN107152171 B CN 107152171B CN 201710309140 A CN201710309140 A CN 201710309140A CN 107152171 B CN107152171 B CN 107152171B
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- Prior art keywords
- composite plate
- fastener
- strenthening member
- anchoring
- plate
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/10—Electrodes characterised by the structure
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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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2201/00—Type of materials to be protected by cathodic protection
- C23F2201/02—Concrete, e.g. reinforced
Abstract
The invention discloses a kind of bracing means and reinforcement means with anchor structure, described device include: to be set to be used for for the strenthening member surface as structural body as the anode material of cathodic protection system and the composite plate of structural reinforcing material；The fastener hole for fastener to be embedded in is provided in the strenthening member；It is set to the anchoring batten in the composite plate for anchoring the composite plate and the strenthening member；It is provided with the fastener hole for fastener to be embedded on the anchoring batten, the fastener hole on the anchoring batten is passed through by fastener, the anchoring batten and composite plate are fixed in the strenthening member.The present invention is used as impressed current anode and structural strengthening plate in Cathodic Protection System by the way that composite plate to be fixed on to the surface of strenthening member, composite plate simultaneously, while meeting prevents structural body from corroding and structural strengthening, and structure is simple, simple process, and quality is stablized.
Description
Technical field
The present invention relates to building material technical field more particularly to a kind of bracing means with anchor structure and reinforcings
Method.
Background technique
Reinforced concrete structure is most important structure type in civil engineering, and safety and national economy develop in a healthy way
It is closely related.However, being lost with the increase of the service life with the variation of use environment, the deterioration of reinforced concrete structure and function
Effect is more universal and serious, causes concern of the scientific research scholar to concrete structure durability problem.In brief, concrete
Durability refers to that concrete resists the effect of various destructive factors under active usage conditions, long-term to keep intensity and complete appearance
The ability of property.
From the perspective of materialogy, reinforced concrete structure durability deterioration it is main the reason is that internal reinforcing bar rust
Erosion, reinforcing bar is studied more mature in the Corrosion mechanism of inside concrete.Currently, concrete is self-contained or the chlorine of external intrusion
Ion is considered as the main reason for causing corrosion of reinforcing steel bar.Inhibit the means of steel bar corrosion very much, such as coating anti-corrosion
Layer and corrosion inhibiter etc., wherein impressed current cathodic protection technology has proved to be one of most efficient method, in some cases
Even unique solution.Impressed current cathodic protection technology is put forward based on PH- potential diagram principle, it is believed that is passed through
Apply cathode current to reinforcing bar and reinforcing bar current potential is made to fall in the area Mian Shi, and then achieve the purpose that protect reinforcing bar, impressed current anode is outer
Add the important component of current cathodic protection system.
From the perspective of structure design, concrete structure durability deterioration is embodied in the bad of element mechanics performance
Change, using steel plate and fiber-reinforced polymer (Fiber Reinforced Polymer, abbreviation FRP, it is light and hard, it is non-conductive,
High mechanical strength, recycle it is few, it is corrosion-resistant) etc. structures enhancing and reinforcement material, propose increasing section and paste outside etc.
Various structures reinforcement technique, and have application to engineering practice.Structural reinforcing material usually passes through cementitious material (such as epoxy resin)
With concrete structure shared load action, it can be considered the additional protective layers of concrete structure, and outer in isolation to a certain degree
Erosion of portion's surrounding medium to internal structure, but reinforcement material during the defect of construction technology and error, structure military service
Deterioration and loss can all destroy this protective layer, lead to the anticaustic of concrete structure.Importantly, structural strengthening technology
It can not solve inside concrete harmful element (chloride and sulfate in such as sea sand concrete) reinforcing bar is continued to corrode,
Have many structures in Practical Project to be reinforced more than once, often occurs repairing repeatly bad situation repeatly.
Therefore, it generally requires to carry out structural strengthening and cathodic protection simultaneously in engineering practice, to reach treating both manifestation and root cause of disease
Structure repair and consolidation effect.So far, it needs to consider alone when most of engineerings are repaired to add structure respectively
Gu and protection, this certainly will cause high financial burden to owner.
In addition, traditional composite plate is fixed in structure in a manner of pasting cementitious material, but this mode is not
It is only difficult to control in paste intensity, and with the erosion of harmful environmental ion, pasting the case where interface deteriorates can be more tight
Weight, durability have certain problems.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of bracing means with anchor structure and
Reinforcement means, the present invention can be used as cathodic protection body by the way that composite plate to be fixed on to the surface of strenthening member, composite plate simultaneously
Impressed current anode and structural strengthening plate in system, while meeting prevents structural body from corroding and two large effect of structural strengthening；This
The structural reinforcement of invention, structure is simple, simple process, and quality is stablized, practical, easy for construction, limits composite plate
End sliding, given full play to the intensity of composite plate, improved consolidation effect.
Technical scheme is as follows:
A kind of bracing means with anchor structure, wherein described device includes:
Be set to for as structural body strenthening member surface be used for as cathodic protection system anode material with
And the composite plate of structural reinforcing material；
The fastener hole for fastener to be embedded in is provided in the strenthening member；
It is set to the anchoring batten in the composite plate for anchoring the composite plate and the strenthening member；
It is provided with the fastener hole for fastener to be embedded on the anchoring batten, is pressed by fastener across the anchoring
The anchoring batten and composite plate are fixed in the strenthening member by the fastener hole on item.
Preferably, the bracing means with anchor structure, wherein the composite plate carries out prefabricated or existing in advance
It pours, the composite plate includes the basis material and reinforcing material for having excellent conductive performance, and basis material is cement base, alkali swashs
The inorganic coagulation material of hair, phosphorus magnesate base or aluminium sulfate base, electric conductivity pass through addition fibrous material or conductive particle
Optimization；Fibrous material includes metallic fiber, carbon fiber, PBO, carbon nanotube or high-molecular organic material；Conductive particle includes carbon
Powder, graphite powder, copper, silver or iron powder；Reinforcing material is the fibrous material of conductive energy or structural mechanical property enhancing, packet
Include carbon fiber board, carbon cloth, carbon fiber mesh fabric, basalt fibre plate, basalt fiber cloth, basalt fibre grid cloth,
Reinforced plastic glass fibre plate, reinforced plastic glass fibre cloth or reinforced plastic glass fibre grid cloth.
Preferably, the bracing means with anchor structure, wherein the carbon cloth or carbon fiber mesh fabric and fibre
Composite plate is made by cementitious material between dimension cloth or fiber mesh；The cementitious material is with satisfactory electrical conductivity and electrochemistry
The inorganic coagulation material of characteristic, the cementitious material resistivity are not higher than 200 Ω m, and shear strength is not less than 0.1N/mm2。
Preferably, the bracing means with anchor structure, wherein the composite plate is plate structure.
Preferably, the bracing means with anchor structure, wherein the anchoring batten is for reinforcing composite plate and adding
Gu the sticking strength between component, the anchoring batten is aluminium alloy, band iron or stainless steel plate press strip, steel, FRP plate, FRP
Cloth or for rise fixed function plate.
Preferably, the bracing means with anchor structure, wherein the anchoring batten is with a thickness of 5-30mm, width
For 10-300 mm.
Preferably, the bracing means with anchor structure, wherein the fastener is to make reinforcing material and main body knot
The fastener that structure closely connects, increases adhesive property and bonds electric conductivity, including between model M8-M30 bolt or
Rivet.
A kind of reinforcement means of the bracing means with anchor structure, wherein the reinforcement means includes:
Step S, presets the bracing means with anchor structure, and the bracing means includes composite plate, anchoring batten, tight
Firmware；
Step A: being provided with multiple fastener holes for fastener insertion in strenthening member and anchoring batten, described will add
Gu the dust on the reinforcing area surface and the composite plate of component is cleaned out；
Step B: the sun of cathodic protection system is provided as in the predetermined position on the reinforcing area surface of the strenthening member
The composite plate of pole material and structural reinforcing material；
Step C: the anchoring batten that the composite plate and the strenthening member are anchored is set in the composite plate；
Step D: successively carrying out anchoring compression for the anchoring batten, composite plate and strenthening member by fastener,
After bolt fastening, ruggedized construction surface is cleared up again smooth.
Preferably, the reinforcement means of the bracing means with anchor structure, wherein the stabilization zone of the strenthening member
Field surface is plane, and the adaptable composite plate is plate armature therewith；At least installed at the both ends of the strenthening member
The anchoring batten and fastener.
Preferably, the reinforcement means of the bracing means with anchor structure, wherein the composite plate is set to institute
Strenthening member surface is stated, then the anchoring batten is set in the composite plate, by the torquer of predetermined torque by institute
It states fastener and the anchoring batten, composite plate and strenthening member is successively subjected to anchoring compression.
The utility model has the advantages that the invention proposes a kind of bracing means and reinforcement means with anchor structure, described device include:
It is set to and is used to add as the anode material and structure of cathodic protection system for the strenthening member surface as structural body
Gu the composite plate of material；The fastener hole for fastener to be embedded in is provided in the strenthening member；It is set to the composite plate
On anchoring batten for anchoring the composite plate and the strenthening member；It is provided on the anchoring batten for inciting somebody to action
Fastener insertion fastener hole, by fastener pass through the anchoring batten on fastener hole, by the anchoring batten with it is compound
Plate is fixed in the strenthening member.Composite plate by being fixed on the surface of strenthening member, composite plate conduct simultaneously by the present invention
Impressed current anode and structural strengthening plate in Cathodic Protection System, while satisfaction prevents structural body corrosion and structural strengthening,
Structure is simple, simple process, and quality is stablized.
Detailed description of the invention
Fig. 1 is the bracing means schematic perspective view of the invention with anchor structure.
Fig. 2 is the reinforcement means preferred embodiment flow chart of the bracing means of the invention with anchor structure.
Specific embodiment
The present invention provides a kind of bracing means and reinforcement means with anchor structure, to make the purpose of the present invention, technical side
Case and effect are clearer, clear, referring to the drawings and give an actual example that the present invention is described in more detail.It should be appreciated that this
Locate described specific embodiment to be only used to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the present invention provides a kind of bracing means with anchor structure, wherein the structural reinforcement
Include:
Be set to for as structural body 4 surface of strenthening member be used for as cathodic protection system anode material with
And the composite plate 1 of structural reinforcing material；
The fastener hole for fastener 3 to be embedded in is provided in the strenthening member 4；
It is set to the anchoring batten in the composite plate 1 for anchoring the composite plate 1 with the strenthening member 4
2；
It is provided with the fastener hole for fastener 3 to be embedded on the anchoring batten 2, the anchor is passed through by fastener 3
The anchoring batten 2 is fixed in the strenthening member 4 by the fastener hole on solid pressure item 2 with composite plate 1.
The composite plate 1 can carry out in advance it is prefabricated, can also be cast-in-place, the composite plate 1 include have satisfactory electrical conductivity
The basis material and reinforcing material of energy, basis material can be the nothings such as cement base, alkali-activated carbonatite, phosphorus magnesate base or aluminium sulfate base
Machine cementitious material, electric conductivity can be optimized by addition fibrous material or conductive particle.Fibrous material such as metallic fiber or carbon
Fiber, PBO, carbon nanotube or other high-molecular organic materials.Conductive particle can be the powder such as carbon dust, graphite powder, copper, silver or iron
End.Reinforcing material is the fibrous material of conductive energy or the enhancing of other structures mechanical property, such as carbon fiber board, carbon fiber
Cloth, carbon fiber mesh fabric, basalt fibre plate, basalt fiber cloth, basalt fibre grid cloth, reinforced plastic glass fibre plate, glass
Steel fibre cloth or reinforced plastic glass fibre grid cloth etc..
The bracing means with anchor structure, wherein the composite plate 1 includes at least one layer of carbon cloth or carbon fiber
Grid cloth and at least one layer of fiber cloth or fibrous mesh cloth are tieed up, conductive and reinforcement effect, the carbon cloth or carbon fiber are played
Bonded scrim material is carbon fibre material, and the carbon cloth or carbon fiber mesh cloth material are carbon fibre material (carbon fiber
(carbon fiber, abbreviation CF) is high intensity, the new fiber materials of high modulus fibre of a kind of phosphorus content 95% or more,
It is to be piled up by organic fibers such as flake graphites along fiber axial direction, through obtained from carbonization and graphitization processing
Microcrystalline graphite material, carbon fiber " soft outside but hard inside ", quality is lighter than metallic aluminium, but intensity is higher than steel, and have it is corrosion-resistant,
The characteristic of high-modulus is all important materials in defence and military and civilian aspect, it not only has the intrinsic intrinsic property of carbon material,
The soft machinability for having both textile fabric again is reinforcing fiber of new generation) or glass fiber material (glass fibre is a kind of
The inorganic non-metallic material haveing excellent performance, many kinds of, advantage is good insulating, heat resistance is strong, corrosion resistance is good, mechanical strength
Height, but the disadvantage is that property is crisp, wearability is poor) or other can simultaneously as in cathodic protection system anode and structure add
Gu the material etc. of dual function, the preferred carbon fibre material of the present invention.
It is made up between the carbon cloth or carbon fiber mesh fabric and fiber cloth or fiber mesh of cementitious material compound
Plate 1；The cementitious material is the inorganic coagulation material with satisfactory electrical conductivity and electrochemical properties, the cementitious material resistivity
Not higher than 200 Ω m, shear strength is not less than 0.1N/mm2, such as cement base inorganic cementitious material, should first be tested before use；It is described
Composite plate 1 is plate structure.The composite plate 1 has the anode material and structural reinforcing material as cathodic protection system
Equal double effects, economy and environmental benefit with higher.Manufacturing process about composite plate 1 is as follows:
Be now widely used in structural strengthening field carbon fibre reinforced composite (CFRP material) not only have it is good
Mechanical property, and make that carbon fiber guiding as main component is electrically good, electrochemical properties of the electrode potential close to noble metal.
To enable CFRP material to become the tie of connection structure reinforcing and the big field of cathodic protection two, it is necessary to first solve
Feasibility problems of the CFRP material as impressed current anode, in conjunction with the research achievement that CFRP material is mature in structural strengthening, CFRP
Material can play it while be used as the double duty of reinforcement material and impressed current anode.That is, using CFRP material to structure
When being repaired, on the one hand CFRP material is used as reinforcement material and the common stress of Structural Engineering, improves the mechanical property of structure；Separately
On the one hand as impressed current anode to structure impose impressed current cathodic protection (impressed current cathodic protection be by external power supply come
Change the current potential of ambient enviroment, so that the current potential of equipment to be protected is needed to have been at lower than in the state of ambient enviroment, thus
As the cathode in entire environment, need equipment to be protected that corrosion would not occur because electronics is lost in this way.It is this strong
The cathodic protection system of impressed current processed is made of rectifier power source, anode ground bed, reference electrode, connecting cable, main to use
The cathodic protection of equipment in the relatively high environment of the cathodic protection of large scale equipment or soil resistivity, for example, it is defeated over long distances
The tank farm that oily gas transmission etc. is embedded in the raw materials of industry such as the industrial pipeline also deposit petroleum of large size of underground is all using this outer
Add the cathodic protection mode of electric current) to protect structure.
Based on identical thinking, the double duty of this CFRP can be also introduced into FRP- concrete combined structure, this
Sample is formed the new CFRP with cathodic protection function-steel-concrete combined structure system.The new structural systen has
The advantages of traditional FRP- concrete combined structure, such as improve mechanical property, good without additional construction formwork, durability.By
In in structure from the beginning pro-active intervention can be carried out to the reinforcement corrosion of structure, make steel to it by cathodic protection electric current
Tendon exhaustion is simultaneously driven away harmful corrosive medium, such as chloride ion from concrete reinforcement surface outward, to reach protection reinforcing bar
Purpose.
In order to realize this novel reparation system, the cementitious material of FRP and concrete structure, the glue are bonded in the system
Gel material must have the features such as conductive, endurance quality is good and mechanical strength reaches structural strengthening requirement, propose suitable gelling
Under the premise of material, the inorganic offset plate of multi-layer fiber composite material is made using the cementitious material and FRP cloth, which answers composite plate
Can be simultaneously as the impressed current anode and structural strengthening plate in Cathodic Protection System, while satisfaction prevents steel bar corrosion and knot
Structure reinforces two large effects.
The bracing means with anchor structure, wherein the anchoring batten 2 is for reinforcing composite plate and reinforcing structure
Sticking strength between part, such as the anchoring batten are aluminium alloy, band iron or stainless steel plate press strip, steel, FRP plate, FRP
Cloth or plate for playing fixed function, i.e., plate is not especially limited herein, as long as the plate of fixed function can be played,
It is preferably aluminium alloy, band iron or stainless steel plate press strip；Band iron (band iron: has good antiseptic and rustproof function, is usually used in preventing
The conductor of thunder ground connection) or stainless steel (stainless steel is the abbreviation of stainless acid resistant steel, the weak corrosive medium such as resistance to air, steam, water or
Steel grade with rustless property is known as stainless steel)；The requirement of anchoring batten 2 is to be unlikely to deform, and 2 thickness of anchoring batten is 5-
30mm, width are 10-300 mm, such as with a thickness of 10mm, width is the stainless steel of 30mm, other thickness are according to reality
It can also it is required that carrying out other selections.Anchoring batten 2 functions as a kind of mechanical anchor, and anchor force comes from fastener (such as
Bolt) shear resistance.
The bracing means with anchor structure, wherein the fastener 3 is between preferably model M8-M30
Bolt or rivet, the bolt model M8-M30(M are nominal diameter, for example, M8 means that nominal diameter is the spiral shell of 8mm
In bolt, such as the present invention using bolt as fastener when, the size of M selects according to actual needs) between bolt (mechanical zero
Part, the cylindrical threaded fastener of adapted nut are made of head and screw rod (having externally threaded cylindrical body) two parts
A kind of fastener, need to cooperate with nut, for be fastenedly connected two have through-hole parts), needing to install bolt plus
Gu opening up the bolt hole for bolt insertion on the surface of component 4, the bolt for offering same specification is also corresponded on anchoring batten 2
The anchoring batten 2, composite plate 1 and strenthening member 4 are successively carried out anchoring compression by bolt by hole；It can also equally adopt
It is fastened with rivet.
Further, the embodiment of the invention also provides a kind of reinforcement means of bracing means with anchor structure, into one
Step is explained, as shown in Fig. 2, being the reinforcing side of the bracing means of the invention with anchor structure for Fig. 2 of the invention
Method preferred embodiment flow chart, this method comprises the following steps:
S100, presets the bracing means with anchor structure, and the bracing means includes composite plate, anchoring batten, tight
Firmware；
S200 is provided with multiple fastener holes for fastener insertion in strenthening member and anchoring batten, described will add
Gu the dust on the reinforcing area surface and the composite plate of component is cleaned out；
S300 is provided as the anode of cathodic protection system in the predetermined position on the reinforcing area surface of the strenthening member
The composite plate of material and structural reinforcing material；
The anchoring batten for anchoring the composite plate and the strenthening member is arranged in S400 in the composite plate；
The anchoring batten, composite plate and strenthening member are successively carried out anchoring compression by fastener, in spiral shell by S500
After bolt fastening, ruggedized construction surface is cleared up again smooth.
The reinforcement means of the bracing means with anchor structure, wherein the reinforcing area surface of the strenthening member
For plane, the adaptable composite plate is plate armature therewith；The anchor at least is installed at the both ends of the strenthening member
Solid pressure item and fastener, the position of the anchoring batten and fastener, both ends are certain to be mounted, such as figures end to end for strenthening member
1 is exactly the schematic diagram of both ends installation, if strenthening member middle position, is installed as needed, it is proposed that be proximate to beam-ends
Place, anchor bolt interval is closeer (such as 20cm), and middle section can be spaced (such as 1m) a little further.
Wherein, the reinforcing area of the strenthening member is because depending on according to specific circumstances, for example, some strenthening member (examples
Such as armored concrete) face only need to be reinforced, as shown in Figure 1.The strenthening member shape can be square or other shapes
Shape, and some strenthening member (armored concrete) need to reinforce two faces, three faces or surrounding and need to reinforce, such as when the reinforcing
It, then can be multiple using all being reinforced around the structural body of the cylindrical reinforcement component when structural body of component is cylindrical
Plywood.
The reinforcement means of the bracing means with anchor structure, wherein the composite plate is set to the reinforcing
The reinforcing area surface of component, then the anchoring batten is set in the composite plate passes through predetermined torque (such as 10kN
M) torquer (such as torque wrench) is by the fastener (such as bolt) successively by the anchoring batten, composite plate and reinforcing
Component carries out anchoring compression.
The present invention is that composite board end part is passed through to fastener build-in into strenthening member, strengthens composite board end part and reinforces
The reaction force of the bonding effect of component, strenthening member prevents the sliding of composite plate, to reach consolidation effect；This method is very
Good solves the problem of existing FRP method for strengthening occurs end sliding, causes FRP that cannot give full play to its intensity.In addition, this hair
It is bright that composite plate is fixed by using anchors such as fasteners, paste intensity and service life will be effectively improved.This hair
The reinforcing area surface of strenthening member described in bright is plane, and being adapted the composite plate therewith is plate armature.
In conclusion the invention discloses a kind of bracing means and reinforcement means with anchor structure, described device include:
It is set to and is used to add as the anode material and structure of cathodic protection system for the strenthening member surface as structural body
Gu the composite plate of material；The fastener hole for fastener to be embedded in is provided in the strenthening member；It is set to the composite plate
On anchoring batten for anchoring the composite plate and the strenthening member；It is provided on the anchoring batten for inciting somebody to action
Fastener insertion fastener hole, by fastener pass through the anchoring batten on fastener hole, by the anchoring batten with it is compound
Plate is fixed in the strenthening member.Composite plate by being fixed on the surface of strenthening member, composite plate conduct simultaneously by the present invention
Impressed current anode and structural strengthening plate in Cathodic Protection System, while satisfaction prevents structural body corrosion and structural strengthening,
Structure is simple, simple process, and quality is stablized.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (7)
1. a kind of bracing means with anchor structure, which is characterized in that described device includes:
It is set to for the strenthening member surface as structural body for the anode material and knot as cathodic protection system
The composite plate of structure reinforcement material；
The fastener hole for fastener to be embedded in is provided in the strenthening member；
It is set to the anchoring batten in the composite plate for anchoring the composite plate and the strenthening member；
It is provided with the fastener hole for fastener to be embedded on the anchoring batten, is passed through on the anchoring batten by fastener
Fastener hole, the anchoring batten and composite plate are fixed in the strenthening member；
The composite plate carry out in advance it is prefabricated or cast-in-place, the composite plate include have excellent conductive performance basis material and
Reinforcing material, basis material is the inorganic coagulation material of cement base, alkali-activated carbonatite, phosphorus magnesate base or aluminium sulfate base, conductive
Performance passes through addition fibrous material or conductive particle optimization；Fibrous material include metallic fiber, carbon fiber, PBO, carbon nanotube or
High-molecular organic material；Conductive particle includes carbon dust, graphite powder, copper, silver or iron powder；Reinforcing material be it is conductive can or
The fibrous material of structural mechanical property enhancing, including it is carbon fiber board, carbon cloth, carbon fiber mesh fabric, basalt fibre plate, profound
Military rock fiber cloth, basalt fibre grid cloth, reinforced plastic glass fibre plate, reinforced plastic glass fibre cloth or reinforced plastic glass fibre grid cloth.
2. the bracing means according to claim 1 with anchor structure, which is characterized in that the carbon cloth or carbon fiber
Composite plate is made by cementitious material between grid cloth and fiber cloth or fiber mesh；The cementitious material is with good conductive
Property and electrochemical properties inorganic coagulation material, the cementitious material resistivity is not higher than 200 Ω m, and shear strength is not less than
0.1N/mm2。
3. the bracing means according to claim 2 with anchor structure, which is characterized in that the composite plate is plate knot
Structure.
4. the bracing means according to claim 1 with anchor structure, which is characterized in that the anchoring batten is for reinforcing
Sticking strength between composite plate and strenthening member, the anchoring batten are aluminium alloy, band iron or stainless steel plate press strip, steel
Material, FRP plate, FRP cloth or the plate for playing fixed function.
5. the bracing means according to claim 1 with anchor structure, which is characterized in that the fastener is to make strengthening material
Material and main structure closely connect, increase adhesive property and bond the fastener of electric conductivity, including between model M8-M30
Bolt or rivet.
6. a kind of reinforcement means of the bracing means with anchor structure, which is characterized in that the reinforcement means includes:
Step S, presets the bracing means with anchor structure, and the bracing means includes composite plate, anchoring batten, fastening
Part；
Step A: multiple fastener holes for fastener insertion are provided in strenthening member and anchoring batten, by the reinforcing structure
Dust on the reinforcing area surface and the composite plate of part is cleaned out；
Step B: the anode material of cathodic protection system is provided as in the predetermined position on the reinforcing area surface of the strenthening member
The composite plate of material and structural reinforcing material；
Step C: the anchoring batten that the composite plate and the strenthening member are anchored is set in the composite plate；
Step D: the anchoring batten, composite plate and strenthening member are successively carried out by anchoring compression by fastener, in bolt
After fastening, ruggedized construction surface is cleared up again smooth；
The composite plate is set to the strenthening member surface, then the anchoring batten is set in the composite plate, is led to
The anchoring batten, composite plate and strenthening member are successively anchored the fastener by the torquer for crossing predetermined torque
It compresses.
7. the reinforcement means of the bracing means according to claim 6 with anchor structure, which is characterized in that the reinforcing structure
The reinforcing area surface of part is plane, and the adaptable composite plate is plate armature therewith；At least in the strenthening member
Both ends the anchoring batten and fastener are installed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309140.0A CN107152171B (en) | 2017-05-04 | 2017-05-04 | A kind of bracing means and reinforcement means with anchor structure |
| PCT/CN2017/118812 WO2018201739A1 (en) | 2017-05-04 | 2017-12-27 | Reinforcing device having anchoring structure and reinforcing method |
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| CN107152171B (en) * | 2017-05-04 | 2019-05-14 | 深圳大学 | A kind of bracing means and reinforcement means with anchor structure |
| CN107618227A (en) * | 2017-09-21 | 2018-01-23 | 常州市宏发纵横新材料科技股份有限公司 | A kind of method for extending carbon fiber composite board service life |
| CN114592443A (en) * | 2022-03-28 | 2022-06-07 | 东莞理工学院 | Device and method for reinforcing coastal erosion concrete |
| CN114775459A (en) * | 2022-04-02 | 2022-07-22 | 东莞理工学院 | Coastal concrete reinforcement and monitoring integrated device and method |
| CN115446977B (en) * | 2022-09-15 | 2023-08-15 | 河南省城乡规划设计研究总院股份有限公司 | Device and method for producing reinforced ECC precast slab by reinforcing steel strand wire mesh and reinforcing method |
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| TW201319367A (en) * | 2011-08-26 | 2013-05-16 | Fujimori Kogyo Co | Auxiliary anode, corrosion-preventing construction of a concrete structural body using this, and corrosion prevention method |
| CN203256333U (en) * | 2013-04-16 | 2013-10-30 | 深圳大学 | Reinforced concrete cathode protection device adopting CFRP (Carbon Fiber Reinforced Plastics) embedded anode |
| CN103205758B (en) * | 2013-04-16 | 2015-09-09 | 深圳大学 | For carrying out reinforcement means and the device of galvanic protection to skeleton construction |
| CN103469212B (en) * | 2013-08-05 | 2015-11-25 | 青岛双瑞海洋环境工程股份有限公司 | For the anode conducting weighting material of protecting reinforced concrete cathode system |
| CN104831288B (en) * | 2015-04-30 | 2018-04-17 | 深圳大学 | With reference to cathodic protection and the armored concrete guard method of structural strengthening and system |
| CN107152171B (en) * | 2017-05-04 | 2019-05-14 | 深圳大学 | A kind of bracing means and reinforcement means with anchor structure |
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| CN107152171A (en) | 2017-09-12 |
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