CN105884253A - Quick-repairing polymer mortar and application - Google Patents
Quick-repairing polymer mortar and application Download PDFInfo
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- CN105884253A CN105884253A CN201610225182.1A CN201610225182A CN105884253A CN 105884253 A CN105884253 A CN 105884253A CN 201610225182 A CN201610225182 A CN 201610225182A CN 105884253 A CN105884253 A CN 105884253A
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mining & Mineral Resources (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses quick-repairing polymer mortar and an application. The mortar is proportionally prepared from natural color sand as a main raw material, modified bisphenol A epoxy resin as a cementing material, mixed type modified aliphatic amine as a curing agent, inorganic nanoparticles as toughening filler, as well as appropriate quantities of a reactive diluent, an epoxy resin defoaming agent, an anti-aging agent and the like. The mortar has the characteristics of good waterproofness, high low-temperature curing speed, low flexural compression ratio, good low-temperature flexibility, good shock resistance, high bonding strength, good freeze-thaw resistance, good durability and the like, and meanwhile, the mortar adopts a simple preparation process, is moderate in cost and suitable for quick repairing of freeze thawing and powdering of a concrete layer between ballastless tracks of a high-speed rail in a high and cold area and can be widely applied to damage repair of road manhole cover sinking, expressway tunnel pavements and bridge floors, airport concrete pavements and the like.
Description
Technical field
The present invention relates to a kind of high-strength high anti-freezing melting property chromogen bonded polymer mortar and preparation technology thereof, this polymer mending mortar is applied
In high and cold, high temperature regional high-speed railways concrete road surface efflorescence and dry and cracked surface reconditioning.
Background technology
At China's extremely frigid zones, affected by multiple natural causes such as the big temperature difference, Drought-wet change, freeze-thaw cycle, wind erosions, caused
Concrete works easily produce efflorescence, degrade, the disaster such as crack.Disease once occurs, it is necessary to investigate and analyse in time,
Find out Producing reason and take suitable material and technology to be repaired, to guarantee safety and the durability of xoncrete structure.
Harbin-to-Dalian special line for passenger trains is China's Article 1 extremely frigid zones high-speed railway, since opening operation, owing to Harbin-to-Dalian passenger traffic is special
Line is located in extremely frigid zones, and day and night temperature is big, causes line-to-line and curb waterproofing protection layer concrete that powder phenomenon-tion occurs successively, gives
High-speed railway driving brings potential safety hazard.For guaranteeing the traffic safety of high-speed railway, Harbin-to-Dalian Ke Zhuan company determines fish tail and waterproof layer
The measure that the place of fiber concrete generation efflorescence takes removing surface, bottom concrete curing carries out regulation test.The most domestic
This is all studied by scientific research institution.Polymer mortar does not only have good mechanical performance, and has beautiful outward appearance, is one
Plant multiduty material.It has certain application in building, traffic, water conservancy, decoration industry.Compare traditional cement mortar to have
Good wearability, adhesion strength, freeze-thaw resistance and low-shrinkage, thus become the important of various engineering structure repairing
Material.
Patent No. CN 102765919A discloses a kind of quick patching material for cement concrete pavement and preparation method thereof, this sand
Slurry is made up of epoxy resin, flyash, polyamine, diluent etc., has high-early-strength, and adhesion strength is big, good toughness etc. is excellent
Point, but be because that its content of organics is too high, greatly reduce its durability, the filler of single grating can increase the fragility of material.
Its shrinkage factor can become big the most at low temperatures, and freeze-thaw resistance is poor.
Patent No. CN 101560077 A discloses a kind of epoxy resin mortar composite being applied to board-like nothing bundle track, this mortar
Having cement resistance to is the features such as heat ageing, resistance to chemical attack, elasticity and mechanical strength are good, and shortcoming is that technique is complex, stirs
Time of mixing is long, is unfavorable for the quick reparation of high ferro trackless mill train concrete road surface, and its adhesion strength only has 2-3MPa simultaneously.
Therefore develop a kind of high bond strength, good toughness, shock resistance is good, good endurance, freeze-thaw resistance are good, low-shrinkage
It is had important in the urgent repairing of extremely frigid zones high ferro non-fragment orbit concrete road surface and other concrete works by polymer mortar
Meaning.
Summary of the invention
The technical problem to be solved is: provide a kind of extremely frigid zones efflorescence cement concrete pavement Rapid-Repair polymerization
Thing mortar, by scheme optimization, and polymer is compounding and modified toughened, the respective advantage of these materials of union, overcomes existing
The problems such as polymer base repairing mortar poor toughness, poor durability are consolidated soon present in technology.
The present invention solves its technical problem and uses following technical scheme:
The polymer mortar of the Rapid-Repair that the present invention provides, is with natural colour sand as primary raw material, and modified epoxy is cementing
Material, Compositional type modified fatty amine is firming agent, is toughness reinforcing filler with inorganic nano-particle, then adds auxiliary agent, in proportion preparation and
Become；Counting by weight, concrete proportioning is:
Natural colour sand 300～600 parts, modified epoxy 70～100 parts, Compositional type modified multicomponent amine 30～60 parts, inorganic
Nanoparticle 2～10 parts, curing accelerator 1～10 parts, plasticizer 10-30 part, diluent 10～20 parts, epoxy resin disappears
Infusion 0.1～0.5 part, age resistor 0.1～0.5 part.
Described modified epoxy is methylol bisphenol A type epoxy resin, its epoxide number >=0.45, and when 40 DEG C, viscosity is
25-60Pa s, softening temperature 23～27 DEG C.
The described mixture that Compositional type modified multicomponent amine hardener is phenolic aldehyde amine and polyetheramine, its mixed weight ratio be 1～3:2～
1；Phenolic aldehyde amine the most used is the third generation phenolic aldehyde amine with phenol, formaldehyde, aliphatic cyclic amine as raw material, its amine number be 440～
520mgKOH/g, viscosity 2000-4000mPa.s when 25 DEG C；Polyetheramine used is simple function, difunctionality, trifunctional polyethers
The one or more kinds of mixture of amine, its amine number is 200～500mgKOH/g, viscosity≤400mPa.s when 25 DEG C.
Described natural colour sand, by 5～20 mesh, 20～40 mesh, 40～80 mesh, 80～100 mesh, 100～200 mesh and≤
The quartz sand of 200 mesh is compounding and obtains, and described quartz sand compounds percentage by weight accordingly and is respectively as follows: 10～35%, 15～25%, 10～
20%, 5～15%, 5～20%, 20～45%.
Described diluent is the one in butyl glycidyl ether, benzyl glycidyl ether.
Described curing accelerator is DMP-30, one in benzyl diamidogen, phenol.
Described nano inoganic particle is through coupling agent modified Paris white or silicon dioxide, and its particle diameter is 40-60nm；Institute
Stating coupling agent is the one in titanate esters, or Silane coupling agent KH550, KH560.
The polymer mortar of the above-mentioned Rapid-Repair that the present invention provides, its purposes is: mix in extremely frigid zones high ferro non-fragment orbit efflorescence
Solidifying soil is urgent repair in application, or sink at manhole, freeway tunnel road surface and bridge floor, concrete road surface, airport
The damaged application in Rapid-Repair.
During the application of described polymer mortar, following methods is specifically used to construct:
(1) design mixture proportion:
According to the concrete feature of concrete works and the requirement of repairing technique, prepared polymer mortar；
(2) base treatment is repaired:
First damaged concrete structural surface being carried out surface cleaning process, the polymer mortar material property further according to preparation controls to refer to
Mark combines concrete surface degree of roughness and repairs, and repairs thickness 3-15mm, when repair layer is more than the embedding benefit of 15mm layered；
(3) interfacial adhesion layer:
In dry washcoat, coating one layer of polymeric serosity is as boundary layer, to increase mending mortar and substrate concrete
Cohesive force, before serosity is the most dry, making polymer mending mortar；Described polymer slurries by described mortar in addition to natural colour sand
Other component is the most formulated；
(4) preparation of mending mortar:
By proportioning, after natural colour sand, modified epoxy, inorganic nano-particle, plasticizer and age resistor being prepared, carry out water
Bath deaeration, it is thus achieved that component A；
Described inorganic nano-particle is carried out surface modification by following methods,
1) weigh a certain amount of nano inoganic particle, dry 30min, be blended with coupling agent solution, blend ultrasound wave for 70 DEG C
Dispersion 30-40min, 80 DEG C of drying to nanoparticle quality no longer change,
2) stop heating, be cooled to room temperature, discharging, seal and preserve；
By proportioning, after phenolic aldehyde amine, polyetheramine, curing accelerator preparation, carry out water-bath deaeration, it is thus achieved that B component；
(5), after A, B component being mixed according to weight proportion, then add in slip form paver and account for modified epoxy weight
Quickly stir 5～10min than the epoxy resin defoamer of 0.1～0.5%, obtain polymer mortar；Utilize slip form paver
Polymer mortar is layered on the concrete primary surface after non-fragment orbit cleaning, carries out surface with mortar trowelling machine after gel 30min and put down
Whole process；
(6) spontaneous curing or qualified through Site Detection, recovers high ferro and runs.
In above-mentioned steps (6), described spontaneous curing is: under room temperature and normal humidity, and polymer mortar got final product table after 1-2 hour
Dry, can be fully cured after 6 hours；Under normal circumstances, after glue-line is fully cured, open to traffic is got final product；In particular cases,
Also can open to traffic after mending mortar surface drying.
The present invention has following main advantage relative to traditional polymer base mortar.
1. this polymer mortar uses aliphatic glycidyl ether reactive diluent, with epoxide group in this diluent molecule structure,
In epoxy resin cure cross-linking process, moreover it is possible to be combined in epoxy resin cure network, increase the deformability of network, have
Good dilution toughening effect, improves epoxy bond performance simultaneously, and the decline of the curing rate of epoxy adhesive is little,
Avoid in mortar solidification process produce get angry, the problem of hollowing.
2. the porosity after using natural colour sand based on maximum density curve theory science grating to greatly reduce mortar solidification, carries
The high durability of mending mortar, decreases cementitious matter addition, has anticorrosive, acid and alkali-resistance, uprising solarization, invariant color simultaneously
Etc. feature.Its fragility of mortar, the contractility joined relative to single-stage are substantially reduced, and natural colour sand can require carry out according to difference
Colour match, simultaneously works as the effect beautified the environment.
3., in order to improve the curing rate of polymer mortar, the present invention uses the methylol epoxy resin that activity is big, this epoxy resin
Can be low-temperature fast-curing, can be used in mixed way with epoxy resin, the epoxy resin mortar that room temperature admittedly and uses under subzero temperature soon can be done, it is adaptable to
The urgent construction operation repaired of Various Seasonal concrete works.
4. alternate freezing and thawing can reduce the performance of cement concrete, and this polymer mortar is internal does not inhale the hole the being interconnected knot discharged water
Structure, in casting cycle because of space produced by air be all isolate, discontinuous.This polymer mortar is carried out 300 times freeze
Melt circulation and do not find mass loss.
5. this invention polymer mortar uses the curative systems that two kinds of modified fatty amines carry out compounding, and modified fatty amine is phenolic aldehyde amine
And polyetheramine, phenolic aldehyde amine, because introducing phenolic hydroxyl group in the molecular structure, substantially increases activity of curing reaction, shortens solidification
Time, relative to common fast curable type fatty amine, it has the advantages such as viscosity is low, toxicity is little, compatibility is good, wellability is strong；Poly-
Ether amines then has the advantages such as viscosity is low, zest is little, compatibility is good, because molecule introduces ehter bond, and can be big as firming agent
The big toughness improving epoxy resin cured product, easy construction.Two kinds of firming agent are used together, by adjusting respective addition,
Two kinds of firming agent play " synergism ", play respective advantage, it is thus achieved that one had both had high activity, can be substantially improved again
The Compositional type modified fatty amine curing agent of epoxy resin cured product toughness.
6. the present invention uses the inorganic nano-particle through surface modification to carry out toughness reinforcing to epoxy resin, toughness reinforcing relative to liquid rubber
Its cost is substantially reduced, and utilizes titanate esters or silane coupler to inorganic nano-particle modifying surface, forms inorganic phase-coupling
The binder course of agent-organic facies, inorganic nano-particle powder body is changed into lipophile through coupling agent treatment rear surface by hydrophilic, both can carry
The high compatibility with epoxy resin, also reduces the agglomeration power between inorganic nanoparticles simultaneously, improve its dispersibility in the base and
Dispersion stabilization, strengthens the bonding force between polymer and filler, makes composite obtain preferable ductile strength.Inorganic nano-particle
Existence produce stress concentration effect, easily cause surrounding resin to produce crack splitting, absorb certain work of deformation；The existence of inorganic particulate makes
Matrix resin cracks can spread is obstructed and is passivated, and the final crackle that terminates will not occur destructive cracking.In compound system, add modification receive
After rice corpuscles, in impact process, there will be some crazing shape projections on impact direction, these crazing shape projections can absorb in a large number
Impact energy, thus improve the toughness of resin cured matter.Test through the author, by its impact strength of nano particle modified epoxy resin
Can improve more than 70%, the impact fracture surface display inorganic nano-particle of electron-microscope scanning can obtain dispersed in resin matrix, receives
There is a large amount of crazing mutually with basal body interface about in rice corpuscles.
In a word, the polymer mortar that the present invention provides has good impermeability, low-temperature setting speed is fast, backfin ratio is low, low
The features such as temperature flexible, shock resistance good, adhesion strength is high, good, the good endurance of freeze-thaw resistance, follow according to JG/T coating freeze-thawing resistant
Ring is tested, and this mortar low temperature efflorescence, cracking, bubble, peeling and table does not occurs through 10 circulations under the conditions of reducing to-40 DEG C
The phenomenon of layer variable color, this chromogen bonded polymer mortar is constructed simply, fast, not by bridge floor geometrical factor is restricted, and is not only suitable for existing
Field is blended manually and paves, it is possible to utilize slip-form paver carry out on-the-spot rapid preparing and pave.According to " epoxy resin mortar
Technical regulation " more than 5 DEG C under ambient temperature, this polymer mortar gel time is 20-60min, 24 hours i.e. up to
To rupture strength >=30MPa, comprcssive strength >=80MPa, backfin is than ＜ 3.This mortar is practical, it is adaptable to extremely frigid zones is high
The Rapid-Repair of concrete layer freeze thawing efflorescence between ferrum trackless tiny fragments of stone, coal, etc. road, it is possible to be widely used in manhole sink, freeway tunnel road
Face and the damage revamping of bridge floor, concrete road surface, airport etc..
Specific implementation method
The present invention relates to a kind of high tenacity, freeze thawing resistance Rapid-Repair polymer mortar and construction method, described polymer mortar
There is the characteristics such as high tenacity, high bond strength, shock resistance is good, fast setting, low-shrinkage, good endurance, freeze-thaw resistance are good,
For the urgent repairing of xoncrete structure between extremely frigid zones high ferro non-fragment orbit, mortar material gel time is short, pliability good for this,
Good endurance, processing technology is simple simultaneously, moderate cost, can be widely applied to the temperature difference such as high and cold, high temperature big, and weather is complicated
The road surface efflorescence in area and dry and cracked reparation, apply also for manhole sink, freeway tunnel road surface and bridge floor, airport coagulation
The damage revamping of soil surface etc..Can be also widely applied to Rapid-Repair and the reinforcing of the concrete layer such as dykes and dams, house, joint filling of being in the milk,
The fields such as terrace laying.Also dependent on specifically used, it requires that gel time is adjustable simultaneously.
Below in conjunction with embodiment, the invention will be further described, but is not limited to following described content.
Embodiment 1:
1) preparation of component A: by modified epoxy 100 parts, butyl glycidyl ether 15 parts, dibutyl phthalate 10
Part, inorganic nano-particle calcium carbonate 4 parts, age resistor p-phenylenediamine 0.1 part, be sequentially added in reactor stirring 10-15min,
It is eventually adding natural colour sand 400 parts, stirs 30min, water-bath deaeration, obtain component A, packing and storing.
2) preparation of B component: by phenolic aldehyde amine 10 parts, polyetheramine 30 parts, altax P-30 5 parts, add in reactor
Stirring 5-10min, water-bath deaeration i.e. obtains B component, packing and storing.
3) preparation of polymer mortar: by A, B two component put in agitator, the epoxy resin defoamer of 0.1 part is carried out soon
Speed stirring 10min, i.e. obtains this polymer mortar, and this polymer mortar is with joining, it is ensured that after configuration, 30min is finished.
5) the concrete primary surface after utilizing manual construction that the polymer mortar of mix homogeneously is layered on non-fragment orbit cleaning, gel
Surfacing process is carried out with mortar trowelling machine after 30min.
6), under room temperature and normal humidity, get final product surface drying after 1-2 hour, can be fully cured after 6 hours.Under normal circumstances, treat
Glue-line can be let pass after being fully cured.In particular cases, also can let pass after mending mortar surface drying.
7) Site Detection.According to TB/T2965-2011 " railway concrete bridge floor waterproof layer technical conditions ", Harbin-to-Dalian, visitor is " the most whole
Control fish tail and waterproof layer concrete efflorescence test, scientific research scheme " carry out.
On the basis of the studies above, according to engineering requirements, research herein has prepared one and has been applicable to extremely frigid zones high ferro without the tiny fragments of stone, coal, etc.
Interorbital efflorescence fast repairing concrete polymer mortar material, it is proposed that corresponding construction technology, and it is applied to actual work
Cheng Zhong, engineering practice shows that this construction technology is simple and feasible.Fieldtesting results shows, polymer mortar layer is not increasing bridge floor
In the case of load, bonding with concrete substrate firmly and show antidetonation and the anti-skid wearable performance of excellence, reach expection
Effect.After the test that is open to traffic of the freeze-thaw cycle in a winter and half a year, concrete surface polymer mortar layer without delamination,
The phenomenon such as pit-hole, cracking produces, and operation conditions is good.
Embodiment 2-8, the preparation technology of each component of mortar such as embodiment 1, change portions additive in polymer mortar kind and
Materials.
Example 2: modified epoxy, natural colour sand, phenolic aldehyde amine, polyetheramine, DMP-30, butyl glycidyl ether, diformazan
Benzene, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by 100:500:15:20:4:10:20:0.3:0.1 by weight, its
Test result is shown in Table 1.
Example 3: modified epoxy, river sand, phenolic aldehyde amine, Versamid, DMP-30, butyl glycidyl ether, two
Toluene, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by 100:350:15:20:4:10:20:0.3:0.1 by weight,
Its test result is shown in Table 1.
Example 4: modified epoxy, basalt, phenolic aldehyde amine, polyetheramine, DMP-30, butyl glycidyl ether, adjacent benzene two
Formic acid dioctyl ester, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by by weight
100:500:15:20:4:10:20:0.3:0.1, its test result is shown in Table 1.
Example 5: modified epoxy, natural colour sand, phenolic aldehyde amine, polyetheramine, DMP-30, benzyl glycidyl ether, adjacent benzene
Dioctyl phthalate dioctyl ester, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by by weight
100:500:20:20:4:10:20:0.3:0.1, its test result is shown in Table 1.
Example 6: modified epoxy, natural colour sand, phenolic aldehyde amine, polyetheramine, DMP-30, benzyl glycidyl ether, adjacent benzene
Dioctyl phthalate dioctyl ester, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by by weight
100:600:15:20:4:10:20:0.3:0.1, its test result is shown in Table 1.
Example 7: modified epoxy, basalt, phenolic aldehyde amine, polyetheramine, DMP-30, butyl glycidyl ether, adjacent benzene two
Formic acid dioctyl ester, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by by weight
100:450:15:20:4:10:20:0.3:0.1, its test result is shown in Table 1.
Embodiment 8: modified epoxy, natural colour sand, phenolic aldehyde amine, Versamid, DMP-30, butyl glycidyl
Ether, dioctyl phthalate, epoxy resin defoamer, p-phenylenediamine.Its proportioning is followed successively by by weight
100:550:15:20:4:10:20:0.3:0.1, its test result is shown in Table 1.
The polymer mortar of the Rapid-Repair that above-described embodiment prepares, at the extremely frigid zones concrete road with Harbin-to-Dalian height iron wire as representative
Face Rapid-Repair or other concrete works emergency maintenance are applied.Other concrete works refers to that manhole is sagging, the most public
Road tunnel road surface and the damage revamping of bridge floor, concrete road surface, airport etc..
The performance test of the polymer mortar of the Rapid-Repair that above-described embodiment prepares is with reference to TB/T2965-2011 " railway concrete
Bridge surface waterproof layer technical conditions ", Harbin-to-Dalian visitor specially " regulation fish tail and waterproof layer concrete efflorescence test, scientific research scheme ",
The relevant regulations of DL/T5193-2004 " epoxy resin mortar technical regulation " performs.
The main performance of table 1 quick patching material for cement concrete pavement.
Claims (10)
1. a polymer mortar for Rapid-Repair, is characterized in that with natural colour sand as primary raw material, and modified epoxy is
Cementitious matter, Compositional type modified fatty amine is firming agent, is toughness reinforcing filler with inorganic nano-particle, then adds auxiliary agent, in proportion
Formulated；Counting by weight, concrete proportioning is:
Natural colour sand 300～600 parts, modified epoxy 70～100 parts, Compositional type modified multicomponent amine 30～60 parts, nothing
Machine nanoparticle 2～10 parts, curing accelerator 1～10 parts, plasticizer 10-30 part, diluent 10～20 parts, epoxy
Resin defoamer 0.1～0.5 part, age resistor 0.1～0.5 part.
2. the polymer mortar of Rapid-Repair as claimed in claim 1, it is characterised in that described modified epoxy is
Methylol bisphenol A type epoxy resin, its epoxide number >=0.45, when 40 DEG C, viscosity is 25-60Pa s, softening temperature 23～
27℃。
3. the polymer mortar of Rapid-Repair as claimed in claim 1, it is characterised in that described Compositional type modified multicomponent
Amine hardener is the mixture of phenolic aldehyde amine and polyetheramine, and its mixed weight ratio is 1～3:2～1；Phenolic aldehyde amine the most used is
Third generation phenolic aldehyde amine with phenol, formaldehyde, aliphatic cyclic amine as raw material, its amine number is 440～520mgKOH/g, when 25 DEG C
Viscosity 2000-4000mPa.s；Polyetheramine used is more than the one or two kinds of of simple function, difunctionality, trifunctional polyetheramine
Mixture, its amine number is 200～500mgKOH/g, viscosity≤400mPa.s when 25 DEG C.
4. the polymer mortar of Rapid-Repair as claimed in claim 3, it is characterised in that described natural colour sand, by 5～
20 mesh, 20～40 mesh, 40～80 mesh, 80～100 mesh, 100～200 the quartz sand of mesh and≤200 mesh compounding and obtain,
Described quartz sand compounds percentage by weight accordingly and is respectively as follows: 10～35%, 15～25%, 10～20%, 5～15%, 5～
20%, 20～45%.
5. Rapid-Repair polymer mortar as claimed in claim 1, it is characterised in that described diluent is that butyl shrinks
One in glycerin ether, benzyl glycidyl ether.
6. Rapid-Repair polymer mortar as claimed in claim 1, it is characterised in that described curing accelerator is
One in DMP-30, benzyl diamidogen, phenol.
7. Rapid-Repair polymer mortar as claimed in claim 1, it is characterised in that described nano inoganic particle is warp
Crossing coupling agent modified Paris white or silicon dioxide, its particle diameter is 40-60nm；Described coupling agent is titanate esters, or silicon
One in alkane coupling agent KH550, KH560.
8. the application of the polymer mortar of Rapid-Repair described in claim 1 to 7, is characterized in that in extremely frigid zones high ferro
Non-fragment orbit efflorescence concrete promptly repair in application, or sink at manhole, freeway tunnel road surface and bridge floor,
Application in the Rapid-Repair that concrete road surface, airport is damaged.
The most according to claim 8, the application of the polymer mortar of Rapid-Repair, is characterized in that using following methods to construct:
(1) design mixture proportion:
According to the concrete feature of concrete works and the requirement of repairing technique, prepared polymer mortar；
(2) base treatment is repaired:
First damaged concrete structural surface being carried out surface cleaning process, the polymer mortar material property further according to preparation controls
Index combines concrete surface degree of roughness and repairs, and repairs thickness 3-15mm, when repair layer is more than 15mm layered
Embedding benefit；
(3) interfacial adhesion layer:
In dry washcoat, coating one layer of polymeric serosity is as boundary layer, to increase mending mortar and substrate concrete
Cohesive force, before serosity is the most dry, making polymer mending mortar；Described polymer slurries is by removing natural color in described mortar
Sand other component outer configures in proportion and forms；
(4) preparation of mending mortar:
By proportioning, after natural colour sand, modified epoxy, inorganic nano-particle, plasticizer and age resistor are prepared, carry out
Water-bath deaeration, it is thus achieved that component A；
Described inorganic nano-particle is carried out surface modification by following methods,
1) weighing a certain amount of nano inoganic particle, dry 30min, be blended with coupling agent solution for 70 DEG C, blend surpasses
Sound wave dispersion 30-40min, 80 DEG C of drying to nanoparticle quality no longer change,
2) stop heating, be cooled to room temperature, discharging, seal and preserve；
By proportioning, after phenolic aldehyde amine, polyetheramine, curing accelerator preparation, carry out water-bath deaeration, it is thus achieved that B component；
(5), after A, B component being mixed according to weight proportion, then add in slip form paver and account for modified epoxy
Weight ratio 0.1～0.5% epoxy resin defoamer quickly stir 5～10min, obtain polymer mortar；Utilize sliding formwork
Polymer mortar is layered on the concrete primary surface after non-fragment orbit cleaning by paver, enters with mortar trowelling machine after gel 30min
Row surfacing processes；
(6) spontaneous curing or qualified through Site Detection, recovers high ferro and runs.
The application of Rapid-Repair polymer mortar the most according to claim 9, it is characterised in that in step (6), described
Spontaneous curing is: under room temperature and normal humidity, and polymer mortar got final product surface drying after 1-2 hour, can consolidate completely after 6 hours
Change；Under normal circumstances, after glue-line is fully cured, open to traffic is got final product；In particular cases, also can open after mending mortar surface drying
Put traffic.
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