CN107859357A - A kind of integrative construction device and method - Google Patents
A kind of integrative construction device and method Download PDFInfo
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- CN107859357A CN107859357A CN201711328839.8A CN201711328839A CN107859357A CN 107859357 A CN107859357 A CN 107859357A CN 201711328839 A CN201711328839 A CN 201711328839A CN 107859357 A CN107859357 A CN 107859357A
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/4853—Epoxides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/62—Coating or impregnation with organic materials
- C04B41/63—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
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- Ceramic Engineering (AREA)
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- Architecture (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The present invention relates to a kind of integrative construction device and integral construction method, the integrative construction device is used to concrete surface layer that is impaired or deteriorating is repaired and protected, including impregnation chamber (11), negative pressure equipment (9) and fluid reservoir (8), impregnation chamber (11) includes cover plate (6) and bed course (4), and cover plate (6) and bed course (4) are used for and concrete surface layer (10) surrounds the seal cavity for being used for filling maceration extract (110) together；Negative pressure equipment (9) is connected with impregnation chamber (11), and negative pressure equipment (9) is used to provide negative pressure for seal cavity；Fluid reservoir (8) is connected with impregnation chamber (11), and fluid reservoir (8) is used to store maceration extract (110).The present invention forms overcoat while being repaired to concrete surface layer, in concrete surface, so as to the repairing and protection by once constructing while realizing concrete surface layer.
Description
Technical field
The present invention relates to a kind of integrative construction device and integral construction method, more particularly to it is a kind of by impaired or
Deterioration concrete structure top layer carries out vacuum polymerization thing dipping and then realizes the one of concrete surface layer repairing and protection simultaneously
Change constructing device and correlation method.
Background technology
Western China weather conditions are very harsh severe：Summer is hot, and winter is dry and cold, and the temperature difference is big, and wind speed is high, relatively
Humidity is low etc., and the durability to local concrete structure brings great threat.According to relevant scholar to western China concrete
The finding on the spot of building, cracking, surface deterioration and steel bar corrosion are in concrete canal, bridge, road built etc.
It is seen everywhere, has had a strong impact on the safety and service life of works, huge economic loss is brought to China.The Ministry of Construction of China
The investigation of the last century 80's shows that most domestic industrial building needs overhaul after using 25~30 years, locates
Building service life under harsh and unforgiving environments only 15~20 years.
The mechanical property and durability of polymer impregnated concrete are better than normal concrete, therefore domestic and foreign scholars are attempted
Damage concrete structure top layer is repaired using the method for dipping.Some scholars store liquid infusion process (cofferdam storage using normal pressure
Liquid method) impregnated.But the shortcomings that normal pressure storage liquid method is that technique is cumbersome, efficiency is low, repairing slurries can not reclaim, and easily pollutes ring
Border, vertical plane or slope bearing layer can not be applied to.In the prior art, concrete structure is impregnated using flexible negative pressure cavity
Repairing, although relatively storing liquid method has certain improvement, it is used to still suffer from following deficiency during the repairing protection of aging concrete plate building：
1. flexible negative pressure impregnation intracavitary maceration extract noresidue, without residual monomer, therefore realize the protection of concrete surface layer not
It is preferable.Flexible negative pressure impregnation technique only plays certain repairing effect to the cosmetic bug of concrete structure, and breakage is degraded
More serious, rugged surface is unable to reach preferable " repairing sth. old and make it as good as new " effect；Also need to carry out subsequently after the completion of dipping
It is floating, multiple smearing etc. process with improve outward appearance, realize protect；
2. construction technology is cumbersome.Laying pad, fixed-bearing are needed before dipping, also needs to take pad off after maceration extract solidification,
Technique is cumbersome, vertical plane or the gradient it is larger slope bearing layer it is especially inconvenient；
3. pickling efficiency is low, the area in impregnation chamber can not 100% realize dipping repairing.For large-area construction, dipping
When repairing face is close to due to film, the flow path of the maceration extract of importing in vacuum chamber is difficult to control, it is easy on periphery
Region forms dipping blind area, and impregnation area only accounts for 90% or so of impregnation chamber area coverage, and remaining 10% region can only follow-up people
Work smears repairing, influences construction speed and repair efficiency；
4. vacuum is low, limited to the repair efficiency of concrete in impregnation chamber.For negative pressure impregnation technique, maceration extract is imported
Initial vacuum intracavitary vacuum is more high more is advantageous to repair the discharge of air and the importing of slurries and infiltration in facial cleft seam, repair efficiency
It is preferably also.The impregnating depth that vacuum in impregnation chamber is low to cause maceration extract in concrete is low, therefore to the repairing of concrete
Reinforce limited；Vacuum is low simultaneously causes almost maceration extract can not be sucked into crack during elevation construction.
The content of the invention
To solve the above problems, the present invention proposes one kind by carrying out vacuum to impaired or deterioration concrete structure top layer
Integrative construction device and construction method polymer impregnated and then that realize concrete surface layer repairing and protection simultaneously.
In order to complete above-mentioned purpose, the invention provides a kind of integrative construction device, for being mixed to impaired or deterioration
Coagulate native top layer to be repaired and protected, it includes：Impregnation chamber, impregnation chamber include cover plate and bed course, and cover plate and bed course are used for and mixed
Solidifying native top layer surrounds the seal cavity for filling maceration extract together；Negative pressure equipment, negative pressure equipment are connected with impregnation chamber, and negative pressure is set
It is ready for use on and provides negative pressure for seal cavity；Fluid reservoir, fluid reservoir are connected with impregnation chamber, and fluid reservoir is used to store maceration extract.
Preferably, cover plate is high polymer elastic sheet material, and bed course is the adjustable flexible rubber dam bed course of thickness, bed course and mixed
Solidifying native top layer is tightly connected, and cover plate and bed course are tightly connected.
Preferably, at least one negative port that can be tightly connected with one end of negative pressure catheter and extremely is provided with cover plate
The few one drain interface that can be tightly connected with one end of liquid guide ducts, the other end of negative pressure catheter are connected with negative pressure equipment,
The other end of liquid guide ducts is connected with fluid reservoir, and at least one spare interface is additionally provided with cover plate.
It is further preferred that negative port, drain interface and spare interface are external interface.
It is further preferred that being provided with negative pressure choke valve on negative pressure catheter, drain choke valve is provided with liquid guide ducts.
Preferably, cushion block is provided with seal cavity, cushion block is high polymer material cushion block.
Preferably, the position that cover plate connects with bed course is connected by sealing structure, and sealing structure includes layers of two-sided and soft
Property sealing material layer.
Meanwhile present invention also offers a kind of integral construction method, for entering to concrete surface layer that is impaired or deteriorating
Row repairing and protection, it includes following step：
First, concrete surface layer to be repaired is covered with impregnation chamber, and impregnation chamber includes cover plate and bed course, cover plate, bed course and
Concrete surface layer surrounds seal cavity together；Then, start negative pressure equipment, opened after the vacuum of requirement is reached in cavity to be sealed
Drain choke valve is opened, simultaneously closes off negative pressure choke valve, the maceration extract in fluid reservoir is imported by liquid guide ducts in seal cavity,
Concrete surface layer is repaired and protected；Finally, repair layer is formed after maceration extract solidification, removes cover plate and bed course.
Preferably, maceration extract is methyl methacrylate base modified system and epoxy-resin systems：
Methyl methacrylate base modified system includes：Methyl methacrylate 100ml, butyl methacrylate 20~
30ml, 10~25ml of methacrylic acid, to 1~3g of toluenesulfinic acid, 0.5~2g of dibenzoyl peroxide, N, N- dimethyl benzenes
1~3g of amine, inorganic filler 5-10g, 1~5g of modifying agent；
Epoxy-resin systems include：The parts by weight of epoxy resin body 100, the parts by weight of curing agent 33~38, diluent 25~
30 parts by weight.
Preferably, cushion block (3) is provided with seal cavity, repair layer is formed after maceration extract solidification, remove cover plate (6) and
After bed course (4), in the repair layer of cushion block (3) indwelling after solidification, vacuum is 30~750mmHg.
Beneficial effects of the present invention：
1. realizing concrete surface layer repairing and protection integratedization construction, that is, realize and concrete surface layer, superficial defects are repaiied
While benefit, the overcoat that a layer thickness is controllable, smooth is formed in former concrete surface, prevent erosion environment condition and its
Further destruction of its unfavorable factor to concrete, play repairing effect while take into account protection and it is attractive in appearance.
2. construction technology simple and fast：Nearly rigidity dipping is formed using elastic polymer sheet material and simple edge sealing process
Chamber；Pad need not be laid before dipping, only need to lay cushion blocks in several positions in impregnation chamber, cushion block need not after having impregnated hardening
Take out, save laying pad and the process for taking pad off, while integrated construction technique also eliminates sequent surface and manually smeared
Process that is flat, repeatedly smearing, single-steeping can complete whole processes.
3. pickling efficiency is high, vacuum chamber inner region covers up to 100% dipping.Because present apparatus technique ensure that liquid flow
Space needed for dynamic and savings, it can be ensured that maceration extract quickly introduces in operable time during large-area construction, and can realize intracavitary
Thorough impregnation, no construction dead angle.
4. vacuum is high in vacuum chamber.Using easy reliable edge banding technique and large-scale vacuum negative pressure work station, vacuum chamber
Interior final vacuum 750mmHg, and it is adjustable as needed.
5. impregnate work progress safety, economic, environmental protection., can using external " hot plug " joint style of fast and flexible
Realize pumping on demand, feed liquor impregnates on demand；Maceration extract under vacuum condition " zero loss " is realized simultaneously, that is, without dipping liquid stream in constructing
Go out, maceration extract need not be reclaimed after construction, avoids environmental pollution, secondary leaching can be carried out at any time when work progress occurs unexpected
Stain or repeatedly dipping.
Brief description of the drawings
Fig. 1 is the integrative construction device schematic diagram of the present invention.
Fig. 2 is the schematic diagram of another angle of the integrative construction device of the present invention.
Description of reference numerals
1- drain interfaces；20- drain choke valves；21- negative pressure choke valves；3- cushion blocks；4- bed courses；
5- negative ports；6- cover plates；7- spare interfaces；8- fluid reservoirs；9- negative pressure equipments；
10- concrete surface layers；11- impregnation chambers；110- maceration extracts；120- negative pressure catheters；
121- liquid guide ducts；13- concrete crackses.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes.Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As depicted in figs. 1 and 2, impregnation chamber 11 includes cover plate 6 and bed course 4, and cover plate 6, bed course 4 and concrete surface layer 10 are together
Surround seal cavity.Cover plate 6 is high polymer elastic sheet material, such as common high polymer elastic sheet material has PVC board, made with rubber
Plate class, plastic plate etc., bed course 4 is the adjustable flexible rubber dam bed course of thickness.Bed course 4 and the sealing of concrete surface layer 10 connect
Connect.Cover plate 6 and bed course 4 are tightly connected.The thickness of cover plate 6 is 1 millimeter to 2 millimeters.Cover plate 6 is provided with drain interface 1, negative port
5 and spare interface 7.Above-mentioned interface can use the external interface of unified specification, and this interface mode make it that interface position is clever
Work is changeable, can arrange the position of interface according to actual conditions, at the same using unified specification to operate it is extremely convenient, no
Need specifically to go to distinguish drain interface 1 and negative port 5.Preferably, cushion block 3 is provided with impregnation chamber 11, cushion block 3 is high score
Subpad block, the material of common making macromolecule cushion block have rubber, resin, plastics etc., cushion block 3 be placed on cover plate 6 due to taking out
Vacuum causes the place collapsed.Negative pressure equipment 9 is tightly connected by negative pressure catheter 120 and the negative port 5 on cover plate 6, negative
Negative pressure choke valve 21 is provided with pressure conduit 120, and negative pressure choke valve 21 is controlling the negative pressure in elastic impregnation chamber 11.Fluid reservoir
8 are tightly connected by liquid guide ducts 121 and the phase of drain interface 1 on cover plate 6, and drain throttling is provided with liquid guide ducts 121
Valve 20, drain choke valve 20 input the flow of maceration extract 110 to control into elastic impregnation chamber 11.Used in above-mentioned sealed connection
Encapsulant include layers of two-sided and layer of flexible sealing material, such as common encapsulant has aramid fiber, carbon fiber, stone
The line of ink marker, high water base fiber and other material.
The specific works step of the present embodiment is as follows：
1st, construction surface pre-processes：Construction surface is handled, the surface blot of concrete layer 10, mud are removed using angle grinder
The attachments such as soil, liver moss, outmoded repair layer, and remain in the floating ash in surface and crack after absorbing polishing with negative pressure equipment 9.It is right
Moist surface needs to carry out drying and processing, it should be ensured that inside concrete carries out next procedure again after doing solid work.For breakage, degrade
Serious surface should remove the fragment of loosening.
2nd, sealed set impregnation chamber：Concrete surface layer 10 to be repaired is covered with impregnation chamber 11, and impregnation chamber 11 includes cover plate 6
With bed course 4, cover plate 6, bed course 4 and concrete surface layer 10 form seal cavity.Concrete operations mode is：Use epoxy repair material
Crack to the sealing station of impregnation chamber 11, it is empty the defects of carry out repairing and ensure smooth at edge sealing, no gas permeation.Using machinery
Or the mode such as gluing fixes bed course 4 and cover plate 6 successively, the seal cavity of closing is formed.It is few in the inner homogeneous of impregnation chamber 11 arrangement
Amount cushion block 3 prevents sheet material from too deforming.Drain interface 1, negative port 5 and spare interface 7 are set on cover plate 6.
3rd, vacuum monitor：External negative pressure equipment 9 is accessed into impregnation chamber 11 to be tested, starts negative pressure equipment 9, it is ensured that chamber
Interior vacuum is not less than 0.09Mpa, and can independently keep vacuum 5 minutes after negative pressure choke valve 21 cuts off negative pressure catheter 120
More than.
4th, maceration extract is configured：The selection of maceration extract 110 need to meet at following 4 points：(1) polymer monomer and mixed system glue
Spend that low, boiling point is high, should meet that high fluidity and high osmosis are not acutely seethed with excitement and steamed under the vacuum of construction requirement again
Hair；(2) maceration extract mixed system can realize normal temperature, the solidification of vacuum condition lower short time；(3) have after maceration extract solidification and be suitable as
For the characteristic of surface preventing material, such as impermeability, frost resistance, high-weatherability, high-impact mill property；(4) if concrete construction
Than more serious, macrocrack is more for thing surface damage/deterioration, then can select the slightly larger polymer monomer of viscosity, such as asphalt mixtures modified by epoxy resin
Resin system (parts by weight of epoxy resin body 100, the parts by weight of curing agent 33~38, the parts by weight of diluent 25~30；Such as it is preferably
Epoxy resin body 140g, curing agent 50g, diluent 40g)；If surface damage is slight, the methyl-prop of low viscosity may be selected
E pioic acid methyl ester system.Maceration extract 110 need to i.e. with i.e. use, and in the range of operable time import impregnation chamber 11, if necessary can will
Fluid reservoir 8, which is put into water, to cool to extend operable time.By taking methyl methacrylate base modified system as an example, it includes：First
Base methyl acrylate 100ml, 20~30ml of butyl methacrylate, 10~25ml of methacrylic acid, to toluenesulfinic acid 1~
3g, 0.5~2g of dibenzoyl peroxide, N, 1~3g of accelerine, inorganic filler 5-10g, 1~5g of modifying agent etc..
5th, maceration extract is imported：Start negative pressure equipment 9, drain throttling is opened after the vacuum of requirement is reached in cavity to be sealed
Valve 20, negative pressure choke valve 21 is simultaneously closed off, the maceration extract 110 in fluid reservoir 8 is imported seal cavity by liquid guide ducts 121
In, concrete surface layer 10 is repaired and protected.After maceration extract 110 is full of impregnation chamber 11, the cut-out of drain choke valve 20 is led
After fluid catheter 121, the inferior initial set of liquid 110 to be impregnated of vacuum condition is being kept.
6th, removal is handled：Maceration extract 110 forms repair layer after solidifying, remove cover plate 6 and bed course 4.Specifically, maceration extract
It is removable negative pressure equipment dismountable cover plate 6 and bed course 4 after 9,24 hours after 110 initial sets, is reused after remaining；Cushion block 3
It is not required to take out, in the repair layer of indwelling after solidification.Cushion block 3 plays Stability Analysis of Structures effect to seal cavity, avoids vacuum from spending
When big, there is the problem of structure collapses in impregnation chamber 11.In addition, after repair layer solidifies to be formed, cushion block 3 does not take out and turns into and repair
A part for layer is mended, cushion block 3 can play Stability Analysis of Structures effect to repair layer.In addition, in order to increase cushion block 3 to the steady of repair layer
It is set for using, multiple elongated flexible and extendable bodies can be arranged on cushion block 3, these elongated flexible and extendable cognition are distributed in repair layer
Within, strengthen the Stability Analysis of Structures effect to repair layer.
The lifting of building Surface layer's concrete properties is notable after the completion of construction, and surface protecting layer is elegant in appearance and protective
Can be excellent.It is as shown in the table that comparative test result is carried out to concrete test block before and after dipping, it can be seen that mixed for impaired/deterioration
Native test block is coagulated, mechanical property is greatly improved after the repairing of vacuum impregnation construction technology, and compression strength recovery rate is more than
70%, cleavage strength recovery rate is more than 90%, structural strengthening is acted on obvious；Pass through anti-carbonization, chloride-penetration resistance, resistant abrasion
The contrast of the test results such as experiment is as can be seen that the technique is also very prominent to the protection effect of concrete surface, in erosion environment
It can prevent to cause the composition of concrete deterioration to continue to penetrate into substantially in the case of can not changing；Have in itself along with maceration extract
High durable, high-impact mill etc. are suitable as the characteristic of top layer protective materials, ensure that the realization of repairing protection integrated function.
Following form is that methyl methacrylate base is modified performance comparison table before and after maceration extract repairing, passes through these data
It is known that after dipping reinforcement, parameter compression strength (Mpa) and cleavage strength (Mpa) significantly improve.
The methyl methacrylate base of table 1 is modified performance comparison table before and after maceration extract repairing
The scope of operation of the present invention is not limited by shape, the common concrete construction surface such as plane, inclined-plane, facade, cylinder
Construction, has a wide range of application, strong adaptability.
This technique uses elastic impregnation chamber, and maceration extract can be achieved using simple construction technology and quickly introduce and Dilvar zone
Domain all standing；There is pulp high osmosis can go deep into concrete structure inner repair defect, crack, while be formed on surface
The controllable protective layer of thickness, it is achieved thereby that repairing and the protection integrated on concrete structure top layer.This technology is in concrete
Dam overfull dam surface crack repairing, the top layer repairing protection of road/bridge and repairing for harsh and unforgiving environments area concrete thin-wall construction
The fields such as protection are mended to have a extensive future.
In addition, the selection of maceration extract used in the present invention is depending on building surface degree of injury/ageing state, it is different
Surface appearance selects different maceration extracts；The color of maceration extract can be adjusted as needed, such as may be selected and structure trunk color
Close color, so as to which color is coordinated with building primary colors after repairing, realize effect attractive in appearance.Also, the scope of operation is not by shape
Shape limits, and the common concrete construction surface such as plane, inclined-plane, facade, cylinder can apply.
Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Claims (10)
1. a kind of integrative construction device, for concrete surface layer that is impaired or deteriorating to be repaired and protected, its feature exists
In the integrative construction device includes：
Impregnation chamber (11), the impregnation chamber (11) include cover plate (6) and bed course (4), and the cover plate (6) and the bed course (4) are used
In being surrounded together with concrete surface layer (10) for filling the seal cavities of maceration extract (110)；
Negative pressure equipment (9), the negative pressure equipment (9) are connected with the impregnation chamber (11), and it is described that the negative pressure equipment (9), which is used for,
Seal cavity provides negative pressure；
Fluid reservoir (8), the fluid reservoir (8) are connected with the impregnation chamber (11), and the fluid reservoir (9) is used to store maceration extract
(110)。
2. integrative construction device according to claim 1, it is characterised in that the cover plate (6) is high polymer elastic plate
Material, the bed course (4) are the adjustable flexible rubber dam bed course of thickness, and the bed course (4) and concrete surface layer (10) sealing connect
Connect, the cover plate (6) and bed course (4) are tightly connected.
3. integrative construction device according to claim 1, it is characterised in that be provided with least one on the cover plate (6)
The individual negative port (5) that can be tightly connected with one end of negative pressure catheter (120) and it is at least one can be with liquid guide ducts (121)
The drain interface (1) that is tightly connected of one end, the other end of the negative pressure catheter (120) is connected with the negative pressure equipment (9), institute
The other end for stating liquid guide ducts (121) is connected with the fluid reservoir (8), is additionally provided with the cover plate (6) at least one standby
Interface (7).
4. integrative construction device according to claim 3, it is characterised in that the negative port (5), the drain connect
Mouth (1) and the spare interface (7) are external interface.
5. integrative construction device according to claim 3, it is characterised in that be provided with the negative pressure catheter (120)
Negative pressure choke valve (21), drain choke valve (20) is provided with the liquid guide ducts (121).
6. integrative construction device according to claim 1, it is characterised in that be provided with cushion block in the seal cavity
(3), the cushion block (3) is high polymer material cushion block.
7. according to the integrative construction device any one of claim 1-6, it is characterised in that the cover plate (6) and institute
The position for stating bed course (4) connection is connected by sealing structure, and the sealing structure includes layers of two-sided and layer of flexible sealing material.
8. a kind of integral construction method, for concrete surface layer that is impaired or deteriorating to be repaired and protected, its feature exists
In, including following step：
First, concrete surface layer to be repaired (10) is covered with impregnation chamber (11), and the impregnation chamber (11) includes cover plate (6) and pad
Layer (4), the cover plate (6), the bed course (4) and concrete surface layer (10) surround seal cavity together；
Then, start negative pressure equipment (9), drain choke valve is opened after the vacuum for reaching requirement in the seal cavity
(20) negative pressure choke valve (21), is simultaneously closed off, the maceration extract (110) in fluid reservoir (8) is imported institute by liquid guide ducts (121)
State in seal cavity, concrete surface layer (10) is repaired and protected；
Finally, repair layer is formed after maceration extract (110) solidification, removes the cover plate (6) and the bed course (4).
9. integral construction method according to claim 8, it is characterised in that the maceration extract (11) is methacrylic acid
Carbomethoxy modified system or epoxy-resin systems：
The methyl methacrylate base modified system includes：Methyl methacrylate 100ml, butyl methacrylate 20~
30ml, 10~25ml of methacrylic acid, to 1~3g of toluenesulfinic acid, 0.5~2g of dibenzoyl peroxide, N, N- dimethyl benzenes
1~3g of amine, inorganic filler 5-10g, 1~5g of modifying agent；
The epoxy-resin systems include：The parts by weight of epoxy resin body 100, the parts by weight of curing agent 33~38, diluent 25~
30 parts by weight.
10. integral construction method according to claim 8, it is characterised in that
Cushion block (3) is provided with the seal cavity, repair layer is formed after maceration extract solidification, removes the cover plate (6) and institute
After stating bed course (4), in the repair layer of cushion block (3) indwelling after solidification；
The vacuum is 30~750mmHg.
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Cited By (1)
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| CN109235384A (en) * | 2018-10-31 | 2019-01-18 | 蓝色海洋（天津）工程技术有限公司 | A kind of power plant's flood discharging tunnel repair apparatus and its repair layer |
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