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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
composite sheet
stress fibre
end anchorage
concrete structure
stress
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621053623.6U
Other languages
Chinese (zh)
Inventor
谢建和
张洹
胡若邻
薛凌峰
李江林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Technology
Original Assignee
Guangdong University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN201621053623.6U priority Critical patent/CN206174498U/en
Application granted granted Critical
Publication of CN206174498U publication Critical patent/CN206174498U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure
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.
CN201621053623.6U 2016-09-13 2016-09-13 Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure Active CN206174498U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621053623.6U CN206174498U (en) 2016-09-13 2016-09-13 Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621053623.6U CN206174498U (en) 2016-09-13 2016-09-13 Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure

Publications (1)

Publication Number Publication Date
CN206174498U true CN206174498U (en) 2017-05-17

Family

ID=58675704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621053623.6U Active CN206174498U (en) 2016-09-13 2016-09-13 Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure

Country Status (1)

Country Link
CN (1) CN206174498U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Similar Documents

Publication Publication Date Title
CN106285036A (en) Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure and reinforcement means
CN106836227B (en) A kind of reinforced concrete structure and its method of construction of included cathodic protection function
CN206174498U (en) Prestressing force fiber -reinforced composite sheet consolidates and corrodes concrete structure
CN101929131B (en) Method for reinforcing bonded prestressing force of transversely tensioning epoxy coating reinforcing steel bar of concrete beam slab
CN106703280A (en) Fiber composite rubber plate and preparation method thereof
CN106193615B (en) A kind of glass fiber-reinforced polymer prestressed anti-floating anchor rod loading device and its construction method
CN203256337U (en) Reinforced concrete structure cathode protection device adopting CFRP (Carbon Fiber Reinforced Plastics) anode
CN113089928A (en) Carbon fiber-FRP-steel bar composite layer grid seawater sea sand concrete laminated slab and manufacturing method thereof
CN107217597A (en) A kind of prestressed concrete bridge face is seamlessly connected the construction method of plate
CN207685692U (en) A kind of road and bridge crack ruggedized construction
CN211313469U (en) Reinforced concrete roof beam reinforced structure
CN104100100B (en) The method of Tests of Reinforced Concrete Beams Strengthened With Cfrp-laminate is drawn in micro-varicose
CN206267560U (en) A kind of anti-corrosion bracing means of pre-stressed carbon fiber reinforced steel concrete
CN103205758A (en) Strengthening method and device for cathode protection on reinforced concrete structure
CN201043327Y (en) Composite fibre steel anchor stock
CN111235581A (en) Device for electrochemical dechlorination by taking conductive cement base as external anode
CN106673527A (en) Cement-based inorganic cementing material and preparation method thereof
CN105484355B (en) A kind of linked system of wooden concrete combined structure
CN106703435A (en) Method of using combination of prestressed steel wires and carbon fiber cloth for reinforcing concrete beams
CN202047353U (en) Concrete bridge body of expressway or railway and prestressed concrete continuous box girder
CN103205757B (en) Adopt skeleton construction cathode protecting process and the device of CFRP anode
CN204676920U (en) The fiber cloth reinforced structure of a kind of power
CN104498963B (en) Maritime concrete flush type high activity sacrificial anode
CN103215602A (en) Method and device for strengthening reinforced concrete structure with cathode protection function
CN105780637B (en) Corrugated web prestress FRP-concrete combined box beam and construction method thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant