CN206174498U - Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure - Google Patents
Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure Download PDFInfo
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- CN206174498U CN206174498U CN201621053623.6U CN201621053623U CN206174498U CN 206174498 U CN206174498 U CN 206174498U CN 201621053623 U CN201621053623 U CN 201621053623U CN 206174498 U CN206174498 U CN 206174498U
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- composite sheet
- stress fibre
- end anchorage
- concrete structure
- stress
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Abstract
The utility model discloses a prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure, including treating reinforcing concrete component (3), prestressing force fiber -reinforced composite sheet (1), stretch -draw end ground tackle crab -bolt (5), stretch -draw end ground tackle (7), stiff end ground tackle crab -bolt (6), stiff end ground tackle (8), no prestressing force fiber -reinforced composite sheet (9) and external intermittent type formula constant current power supply (11), stretch -draw end ground tackle (7) and stiff end ground tackle (8) are the centre gripping respectively will in prestressing force fiber -reinforced composite sheet (1) both ends prestressing force fiber -reinforced composite sheet (1) is fixed in treat reinforcing concrete component (3) upper surface, treat reinforcing concrete component (3) inside be provided with interior steel reinforcement cage (4), the utility model provides an among concrete structure reinforcing bar and prestressed anchorage device's corrosion problems among the A corrosive environment, reinforcement effect is played to concrete structure to auxiliary anode corrosion resistant, easily replacement, obviously reduces repair costs.
Description
Technical field
This utility model is related to the technical field of reinforced concrete member, and more particularly to pre-stress fibre strengthens composite sheet
Reinforce corrosion concrete structure.
Background technology
Bridge is the key component of road, is to ensure traffic smoothly crucial hinge, for domestic early stage building
Speech, because of the impact of the factors such as corrosion, there is very big potential safety hazard in daily traffic, these old bridges is carried out removing in the lump and rebuilds meeting
Substantial amounts of manpower and materials are expended, serious burden is caused to the economy of country.Therefore, it is modern to the reinforcing of corrosion concrete structure
The main task faced below.Compared with traditional reinforcement technique, fibrous material prestressed consolidation technology combines fiber composite material
The high-performance of material and the advantage of prestressing technique, improve the utilization rate of fibrous material, effectively improve the mechanical property of structure
Can, extend the service life of structure.However, the direct method for strengthening of prestressing force commonly used in Practical Project can not slow down to be added
The corrosion rate of cage bar in fixing structure, and the anchorage used by reinforcing also lacks a kind of Corrosion prevention scheme of mature economy, to structure
Performance and service life cause very big impact, and pre-stress fibre reinforcement technique answering in engineering is limited to a certain extent
With.It is applied to pre-stress fibre in corrosive environment and strengthens the anti-of composite material reinforced xoncrete structure it would therefore be desirable to a kind of
Rotten technology.
Utility model content
The utility model proposes pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure, its object is to solve
Pre-stress fibre strengthens the etching problem of Composite patch reinforcement Steel Bars in Concrete Structure and prestressed anchor in corrosive environment,
Impressed current anode corrosion resistant, be easy to displacement, and part strengthening action played to xoncrete structure, and significantly reduce the reparation of structure into
This.
The technical scheme that this utility model is adopted:Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure,
Including treat reinforced concrete member (3), pre-stress fibre strengthen composite sheet (1), stretching end anchorage crab-bolt (5), stretching end anchor
Tool (7), fixing end anchorage crab-bolt (6), fixing end anchorage (8), strengthen composite sheet (9) and external batch (-type) without pre-stress fibre
Constant current source (11);The stretching end anchorage (7) and the fixing end anchorage (8) clamp respectively the pre-stress fibre strengthens multiple
Close sheet material (1) two ends and the pre-stress fibre is strengthened into composite sheet (1) and be fixed on described treating on reinforced concrete member (3)
Surface;Described to treat that reinforced concrete member (3) is internally provided with interior steel reinforcement cage (4), the stretching end anchorage crab-bolt (5) fixes institute
State stretching end anchorage (7) and be connected with the interior steel reinforcement cage (4), the fixed fixing end anchor of the fixing end anchorage crab-bolt (6)
Tool (8) is simultaneously connected with the interior steel reinforcement cage (4);It is described strengthen composite sheet (9) without pre-stress fibre and be arranged at described wait to reinforce
Concrete component (3) both sides;The negative pole of the external batch (-type) constant current source (11) is connected with the interior steel reinforcement cage (4), described
The positive pole of external batch (-type) constant current source (11) is connected with described without pre-stress fibre enhancing composite sheet (9).
Preferably, the pre-stress fibre is strengthened composite sheet (1) and is fixed on by epoxy resin (2) and described waits to reinforce mixed
Solidifying soil component (3) upper surface.
Preferably, pre-stress fibre enhancing composite sheet (1) surface is embedded with reference electrode (12).
Preferably, it is described to strengthen composite sheet (9) by sticking at described treating outside conductive bond glue (10) without pre-stress fibre
Reinforced concrete member (3) both sides.
Preferably, described to adopt carbon cloth without pre-stress fibre enhancing composite sheet (9), thickness is 0.2mm-1mm.
Compared with prior art, the beneficial effects of the utility model are:(1) this utility model provides one kind and is applied to corrosion
The anti-corrosion reinforcement technique of concrete component in environment, connection concrete component cage bar and fibre reinforced composite sheet prestressed anchor
Tool, external power supply negative pole is connected in concrete component cage bar, will be without prestressed fibre reinforced composite sheet, and supporting conduction
Adhesive glue, used as impressed current impressed current anode, forming pre-stress fibre strengthens the concrete structure of Composite patch reinforcement corrosive environment
The cathodic protection system of part.While implementing to reinforce concrete component, realize in concrete in corrosive environment
Anti-corrosion protection together with the anchorage that the cage bar of component strengthens composite sheet with pre-stress fibre, reaching raising pre-stress fibre strengthens multiple
Close the purpose of the long-term consolidation effect of sheet material;(2) this utility model cathode protection device is protected in corrosive environment using external power supply
In stretching end anchorage and fixing end anchorage and the interior steel reinforcement cage for the treatment of in reinforced concrete structure, strengthen prestressing apparatus and mixed
The durability of solidifying soil component, improves structure service life;(3) this utility model is cutting the tension face of smooth rear concrete component
Anchor hole is reserved at two ends, and with pre-stress fibre is clamped respectively the stretching end anchorage crab-bolt and fixing end anchor at composite sheet two ends are strengthened
Tool crab-bolt with treat that steel reinforcement cage is electrically connected with reinforced concrete member;(4) fiber-reinforced composite piece of the present utility model
Material adopts carbon cloth, and thickness is 0.2mm-1mm, with the tensile strength for meeting reinforcement requirement and the electricity as impressed current anode
Chemical property;(5) this utility model pre-stress fibre enhancing composite sheet surface is embedded with reference electrode, monitors current potential to adjust
Section external power supply electric current;(6) this utility model pre-stress fibre strengthens the prestress value size of composite sheet less than its material
The 30% of tensile strength, it is to avoid creep fracture and the hydrogen embrittlement effect of fibre reinforced composite sheet;(7) this utility model prestressing force
Method reinforced concrete member, can either apply it is prestressed during make fibre sheet material stress more uniform, can carry out again
Effectively anchoring, it is ensured that fibre sheet material can be obtained compared with high pre-stress level;(8) this utility model carries out anchorage crab-bolt with steel reinforcement cage
It is electrically connected with, solves the problems, such as that prestressing apparatus anchorage in engineering use easily receives environmental corrosion with structure cage bar;(9) this reality
To strengthen composite sheet as impressed current anode without pre-stress fibre with new, it is same implement to reinforce concrete component
When, realize and the anchorage that the cage bar in corrosive environment concrete component strengthens composite sheet with pre-stress fibre is prevented
Corruption protection, reaches the purpose for improving the long-term consolidation effect of pre-stress fibre enhancing composite sheet, and without the need for additional anode, it is easy to more
Change.
Description of the drawings
Fig. 1 is the structural representation that this utility model pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure.
Fig. 2 is the top view that this utility model pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure.
Fig. 3 is the profile of 1-1 in Fig. 2.
Specific embodiment
The technical solution of the utility model is further illustrated with reference to specific embodiment.
As Figure 1-3, pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure, including treating reinforced concrete
Component (3), pre-stress fibre strengthen composite sheet (1), stretching end anchorage crab-bolt (5), stretching end anchorage (7), fixing end anchorage
Crab-bolt (6), fixing end anchorage (8), strengthen composite sheet (9) and external batch (-type) constant current source (11) without pre-stress fibre;Institute
State stretching end anchorage (7) and the fixing end anchorage (8) clamps respectively the pre-stress fibre and strengthens composite sheet (1) two ends simultaneously
The pre-stress fibre is strengthened into composite sheet (1) it is fixed on and described treats reinforced concrete member (3) upper surface;It is described to wait to reinforce
Concrete component (3) is internally provided with interior steel reinforcement cage (4), the fixed stretching end anchorage (7) of the stretching end anchorage crab-bolt (5)
And be connected with the interior steel reinforcement cage (4), the fixed fixing end anchorage (8) of the fixing end anchorage crab-bolt (6) is simultaneously interior with described
Steel reinforcement cage (4) connects;It is described strengthen composite sheet (9) without pre-stress fibre and be arranged at described treat reinforced concrete member (3) two
Side;The negative pole of the external batch (-type) constant current source (11) is connected with the interior steel reinforcement cage (4), the external batch (-type) Constant Electric Current
The positive pole in source (11) is connected with described without pre-stress fibre enhancing composite sheet (9).
In concrete technical scheme of the present utility model, the pre-stress fibre strengthens composite sheet (1) by asphalt mixtures modified by epoxy resin
Fat (2) treats reinforced concrete member (3) upper surface described in being fixed on.
In concrete technical scheme of the present utility model, the pre-stress fibre strengthens composite sheet (1) surface and is embedded with
Reference electrode (12).
It is described to strengthen composite sheet (9) by conduction without pre-stress fibre in concrete technical scheme of the present utility model
Reinforced concrete member (3) both sides are treated described in sticking at outside adhesive glue (10).
It is described to strengthen composite sheet (9) using carbon fibre without pre-stress fibre in concrete technical scheme of the present utility model
Wei Bu, thickness is 0.2mm-1mm.
A kind of concrete structure reinforcement method, comprises the steps:
S1:Cut the protective layer for treating reinforced concrete member (3) for being corroded so that treat that reinforced concrete member (3) reveals
Go out the cage bar of interior steel reinforcement cage (4), the negative pole of external batch (-type) constant current source (11) is connected to and described treats reinforced concrete member (3)
Interior steel reinforcement cage (4) on, and with epoxy resin (2) protect, it is ensured that connection it is firm after, repaired with polymer mortar described to be added
Gu concrete component (3);
S2:Reserved anchor hole is cut out at the tension face two ends for treating reinforced concrete member (3);
S3:Clamping the pre-stress fibre respectively using the stretching end anchorage (7) and the fixing end anchorage (8) strengthens
The two ends of composite sheet (1);
S4:It is connected with the interior steel reinforcement cage (4) for treating reinforced concrete member (3) with the fixing end anchorage crab-bolt (6)
And the fixation fixing end anchorage (8);
S5:Strengthen composite sheet (1) in pre-stress fibre and described treat to smear ring on reinforced concrete member (3) contact surface
Oxygen tree fat (2);
S6:Pre-stress fibre strengthens composite sheet (1) described in prestress value tensioning according to needed for reinforcing;
S7:Pre-stress fibre is strengthened into composite sheet (1) pressure viscosity and treats reinforced concrete member (3) surface in described, be used in combination
Sand hill holds pressure;
S8:Treat that the interior steel reinforcement cage (4) of reinforced concrete member (3) is connected and fixed with described with stretching end anchorage crab-bolt (5)
Stretching end anchorage (7);
S9:Strengthen the embedded reference electrode (12) in composite sheet (1) surface in pre-stress fibre;It is described to increase without pre-stress fibre
Strong composite sheet (9) described treats reinforced concrete member (3) both sides by sticking at outside conductive bond glue (10);
S10:The positive pole of external batch (-type) constant current source (11) is connected to be strengthened on composite sheet (9) without pre-stress fibre.
In specific embodiment of the present utility model, external batch (-type) constant current source (11) negative pole is connected to described to be waited to reinforce
On the interior steel reinforcement cage (4) of concrete component (3), will be without prestressed fibre reinforced composite sheet (9), and supporting conductive adhesive glue
(10) as impressed current impressed current anode, forming pre-stress fibre strengthens the moon of Composite patch reinforcement corrosive environment xoncrete structure
Pole protection system, on the premise of Concrete Structure structure bending strength, treat the interior steel reinforcement cage (4) of reinforced concrete member (3),
Stretching end anchorage (7) and fixing end anchorage (8) have carried out anti-corrosion protection, extend the service life of concrete;Fiber reinforcement
Composite sheet also causes it to possess close anchor set and reinforcing bar except possessing good mechanical property, carbon contained therein
The electrode potential of metal used by cage and excellent electric conductivity, are used together with conductive bond glue (10) and can meet completely auxiliary
The requirement of anode, and being easily changed as impressed current anode without pre-stress fibre sheet material, structural behaviour affected during replacing compared with
It is little;External power supply electric current can strengthen the embedded reference electrode (12) in composite sheet (1) surface by pre-stress fibre is supervised
Survey.
For a person skilled in the art, technical scheme that can be as described above and design, make other each
Plant corresponding change and deform, and all these changes and deforms the guarantor that should all belong to this utility model claim
Within the scope of shield.
Claims (5)
1. pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure, it is characterised in that:Including treating reinforced concrete structure
Part (3), pre-stress fibre strengthen composite sheet (1), stretching end anchorage crab-bolt (5), stretching end anchorage (7), fixing end anchorage anchor
Bolt (6), fixing end anchorage (8), strengthen composite sheet (9) and external batch (-type) constant current source (11) without pre-stress fibre;It is described
Stretching end anchorage (7) and the fixing end anchorage (8) clamp respectively the pre-stress fibre to be strengthened composite sheet (1) two ends and incites somebody to action
Pre-stress fibre enhancing composite sheet (1) treats reinforced concrete member (3) upper surface described in being fixed on;It is described to wait to reinforce mixed
Solidifying soil component (3) is internally provided with interior steel reinforcement cage (4), stretching end anchorage crab-bolt (5) fixation stretching end anchorage (7) and
Be connected with the interior steel reinforcement cage (4), the fixing end anchorage crab-bolt (6) the fixation fixing end anchorage (8) and with the interior steel
Muscle cage (4) connects;It is described strengthen composite sheet (9) without pre-stress fibre and be arranged at described treat reinforced concrete member (3) both sides;
The negative pole of the external batch (-type) constant current source (11) is connected with the interior steel reinforcement cage (4), the external batch (-type) constant current source
(11) positive pole is connected with described without pre-stress fibre enhancing composite sheet (9).
2. pre-stress fibre according to claim 1 strengthens Composite patch reinforcement corrosion concrete structure, it is characterised in that:
The pre-stress fibre is strengthened composite sheet (1) and is fixed on by epoxy resin (2) described treats reinforced concrete member (3) upper table
Face.
3. pre-stress fibre according to claim 1 strengthens Composite patch reinforcement corrosion concrete structure, it is characterised in that:
The pre-stress fibre strengthens composite sheet (1) surface and is embedded with reference electrode (12).
4. pre-stress fibre according to claim 1 strengthens Composite patch reinforcement corrosion concrete structure, it is characterised in that:
It is described to strengthen composite sheet (9) without pre-stress fibre and described treat reinforced concrete member by sticking at outside conductive bond glue (10)
(3) both sides.
5. pre-stress fibre according to claim 1 strengthens Composite patch reinforcement corrosion concrete structure, it is characterised in that:
Described to adopt carbon cloth without pre-stress fibre enhancing composite sheet (9), thickness is 0.2mm-1mm.
Priority Applications (1)
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CN201621053623.6U CN206174498U (en) | 2016-09-13 | 2016-09-13 | Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure |
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CN201621053623.6U CN206174498U (en) | 2016-09-13 | 2016-09-13 | Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106285036A (en) * | 2016-09-13 | 2017-01-04 | 广东工业大学 | Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure and reinforcement means |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106285036A (en) * | 2016-09-13 | 2017-01-04 | 广东工业大学 | Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure and reinforcement means |
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