CN109455980A - Concrete road surface material for quickly repairing and its restorative procedure - Google Patents
Concrete road surface material for quickly repairing and its restorative procedure Download PDFInfo
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- CN109455980A CN109455980A CN201910001396.4A CN201910001396A CN109455980A CN 109455980 A CN109455980 A CN 109455980A CN 201910001396 A CN201910001396 A CN 201910001396A CN 109455980 A CN109455980 A CN 109455980A
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- road surface
- concrete road
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- surface material
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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
- C04B26/14—Polyepoxides
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- 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
- E01C23/096—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 forming, opening-out, cleaning, drying or heating and filling
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- 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
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a kind of concrete road surface material for quickly repairing and its restorative procedures.The concrete road surface material for quickly repairing includes binder and aggregate, and the mass ratio of binder and aggregate is 1:8-1:10.Binder includes epoxy resin and modified amine curing agent, and the mass ratio of epoxy resin and modified amine curing agent is 1:0.75-1:1.The concrete road surface fast repairing method includes the following steps: to clear up dust and float stone in the pit slot on former road surface；Epoxy resin and modified amine curing agent are mixed, stirs evenly to form binder, binder is mixed with aggregate, stirs evenly to form concrete road surface material for quickly repairing；Concrete road surface material for quickly repairing is inserted in pit slot, compacting forms repair layer, and repair layer is flushed with former road surface.The a variety of concrete road surface damage revampings of the concrete road surface material for quickly repairing, simple and quick construction, with former road surface adhesive property is good, long service life and is not susceptible to secondary damage.
Description
Technical field
The present invention relates to pavement construction materials and engineering field, more particularly to a kind of concrete road surface material for quickly repairing
And its restorative procedure.
Background technique
Traditional concrete road surface repair materials mainly have: (1) steel fiber reinforced concrete.It is fine that steel is mixed in cement concrete
Dimension prepares simultaneously uniform stirring in proportion, is dispersed in it in cement concrete, pouring molding as enhancing component.Steel fibre is mixed
Solidifying soil can uniformly discharge load action, reduce stress and concentrate, the diffusion of pre- cracking-proof, improve compression strength, bending strength, resist it is tired
Labor performance etc..(2) polymer mortar: being to mix macromolecule emulsion or the uniform mixing of rubber powder by cement mortar.Wherein macromolecule material
Material can use vinyl acetate esters, acrylic compounds, butylbenzene class etc..Compared to ordinary mortar, have excellent anti-permeability performance, mechanical property
Deng.(3) gravity flowing levelling mortar: is mixed and stirred by cement, quartz sand, polymer glue powder and additive.Molding is fast, early strength
Height, quick open to traffic, and easy construction, fluidity is good, and presentation quality is good.(4) epoxy resin mortar: strength development is fast, when solidification
Between it is adjustable, adhesive property is good.
But above-mentioned concrete road surface repair materials have the drawback that (1) steel fibre coagulation scholar as patching material
For, it is unfavorable for packaging and uses, if Site does not meet industry premixing trend and environmental requirement again, and match ratio is vulnerable to people
To influence, quality can not be ensured, be in addition not easy when large surface mending it is levelling, not so as to cause concrete road surface appearance after repairing
It is ideal.(2) for Cement Concrete Pavement Reconstruction mortar, common premixing mortar pressure-proof and snap-resistent intensity is lower, conventional polymeric
Object premixing mortar is only applicable to the repairing of facade non bearing structure, is not suitable for the biggish cement concrete pavement of traffic loading and repairs
It mends.(3) gravity flowing levelling mortar non-skid property is bad, and material from environmental influences greatly, to be also easy to produce crack.(4) epoxy resin mortar: elongation percentage
Low, brittleness is big, easy to crack with old pavement adhesive surface stress concentration, not endurance.
Summary of the invention
Based on this, it is necessary to provide one kind can be suitable for a variety of concrete road surface damage revampings, simple and quick construction, with
Former road surface adhesive property is good, long service life and the concrete road surface material for quickly repairing and its reparation that are not susceptible to secondary damage
Method.
The raw material for preparing of a kind of concrete road surface material for quickly repairing, the concrete road surface material for quickly repairing includes such as
Lower each raw material component: the mass ratio of binder and aggregate, the binder and the aggregate is 1:8-1:10；
The binder includes epoxy resin and modified amine curing agent, the epoxy resin and the modified amine curing agent
Mass ratio be 1:0.75-1:1.
It in one of the embodiments, further include additive, the quality of the additive is the binder and the bone
Expect the 0.5%-2% of total amount.
The additive is pulverized limestone and/or portland cement powder in one of the embodiments,.
The aggregate is light building stones in one of the embodiments,.
A kind of concrete road surface fast repairing method using the concrete road surface material for quickly repairing, including it is as follows
Step:
Former road processing: the pit slot on former road surface is cleared up；
It prepares concrete road surface material for quickly repairing: epoxy resin and modified amine curing agent being mixed, shape is stirred evenly
At binder, the binder is mixed with additive, aggregate, stirs evenly to form the concrete road surface and quickly repair material
Material；
Filler: the concrete road surface material for quickly repairing is inserted in the pit slot, and compacting forms repair layer, described to repair
Cladding is flushed with the former road surface.
In one of the embodiments, further include following steps:
10cm-20cm is dug at the edge of the pit slot, to expand the size of the pit slot.
In one of the embodiments, further include following steps: the inner wall of the pit slot is dried, at drying
Drying mode when reason includes gas spray gun drying, high pressure draught air-dries or one of natural air drying or a variety of.
In one of the embodiments, before filler, dips the part binder and the inner wall of the pit slot is carried out
It applies coated with formation adhesive layer.
In one of the embodiments, when environment temperature≤25 DEG C locating for the former road surface, the repair layer at
The type time is not less than 5h；25 DEG C of the environment temperature > locating for the former road surface and at≤30 DEG C, when the molding of the repair layer
Between be not less than 4h；When 30 DEG C of environment temperature > locating for the former road surface, the molding time of the repair layer is not less than 3h.
The voidage of the repair layer is not more than 3% in one of the embodiments,.
It is fast that above-mentioned concrete road surface material for quickly repairing can be suitable for a variety of concrete road surface damage revampings, easy construction
It is prompt, with former road surface adhesive property is good, resistance to Moisture Damage, long service life and is not susceptible to secondary damage.Above-mentioned concrete road surface is fast
Fast repair materials form binder, and the matter of epoxy resin and modified amine curing agent using epoxy resin and modified amine curing agent
Amount is than that can realize the following advantage of concrete road surface material for quickly repairing for 1:0.75-1:1: elasticity is good for organic material, curing rate
Shrink that small, interface binding intensity is high, without volatile solvent, anti-aging and media-resistant (acid, alkali, oil and water) when adjustable, hardening
Property good and inorganic material compression strength is high, wearability is good, wet and heat ageing resistant and water resistance are excellent, and by concrete road surface
The voidage for the repair layer that material for quickly repairing is formed is small.By experimental demonstration, when the matter of epoxy resin and modified amine curing agent
When amount is than being more than the range of 1:0.75-1:1, the performance of concrete road surface material for quickly repairing is then substantially reduced, such as organic material
Elasticity is poor, curing rate adjustability is poor, hardening when shrink greatly, interface binding intensity is low, anti-aging and media-resistant (acid, alkali, oil
And water) property difference and inorganic material compression strength it is low, wear no resistance, wet and heat ageing resistant and water resistance are obviously reduced.The present invention
Making concrete road surface material for quickly repairing with bond strength using modified amine curing agent, high, ageing-resistant, good operability, construction are fast
Fast, convenient, flexible performance is spent, the breakage of cement concrete pavement, asphalt concrete pavement or stone material can be efficiently applied to
Repairing, good with former road surface or stone surface adhesive property, resistance to Water Damages can be good, and short construction period, can quickly open friendship
It is logical.
Above-mentioned road surface breakage fast repairing method is that epoxy resin, modified amine curing agent is used to form multicomponent for main material
Thermosetting resin, then the fast repairing method of the pit slot on former road surface is repaired with the mixing cured molding of aggregate that predetermined level is matched, it should
Restorative procedure formed repair layer have both organic elastic properties of materials is good, curing rate is adjustable, hardening when do not shrink substantially, interfacial adhesion
Intensity is high, without volatile solvent, anti-aging and media-resistant (acid, alkali, oil and water) property is good and the compression strength height of inorganic material,
Wear-resisting advantage, while being repaired for the damaged of the road surface in the area of damp and hot weather, construction method is easy, can quickly open friendship
It is logical, it can be good with former road surface bonding and resistance to Water Damages.
Specific embodiment
The invention can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, mentioning
Purpose for these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
Present embodiments provide a kind of concrete road surface material for quickly repairing.The preparation of concrete road surface material for quickly repairing
Raw material includes following each raw material component: binder and aggregate.The mass ratio of binder and aggregate is 1:8-1:10；
Binder includes epoxy resin and modified amine curing agent, and the mass ratio of epoxy resin and modified amine curing agent is 1:
0.75-1:1.The technical requirements of binder are as shown in table 1 below.
Table 1
In a specific example, above-mentioned concrete road surface material for quickly repairing further includes additive.The quality of additive
For the 0.5%-2% of binder and aggregate total amount.
Further, additive is pulverized limestone and/or portland cement powder.It is quick that additive can improve concrete road surface
The color of repair materials, the color of the repair layer formed it into is approximate with the former color on road surface, reduces and repairs color difference, improves repairing
The aesthetics on road surface afterwards.
Aggregate in the material for quickly repairing of concrete road surface can not only reduce the shrinking percentage and thermal expansion coefficient of system, increase
Add thermal conductivity and mechanical strength, improve cohesive force, the wearability of material, improve the ageing properties of material, increase its service life,
The dosage that epoxy resin can also be reduced, to reduce cost.
Aggregate should use drying, the higher building stones of hardness, nominal maximum aggregate size and protobitumen road surface nominal maximum aggregate size
It is consistent or smaller.
In a specific example, aggregate is light building stones, such as river sand, quartz sand.
When binder and aggregate are using artificial stirring, the quality of aggregate removes the limit namely the mass ratio of binder and aggregate
For 1:8, when mechanical stirring, the quality capping namely binder of aggregate and the mass ratio of aggregate are 1:10.Practice of construction should lead to
It crosses trial mix and determines its precise amounts, the dosage and compression strength relationship of aggregate parabolically relationship.Before aggregate optimum amount, repair
The intensity of cladding increases with aggregate dosage and is increased, because of the increase of aggregate, mixture compactness increases, and aggregate improves solidification
Intensity, the rigidity of product；But when aggregate dosage is excessive, due to binder can not complete wetting package aggregate, show as resistance to compression
Strength reduction, continuing growing aggregate, then this trend is more obvious.Therefore, the mass ratio of binder and aggregate is 1:8-1:10,
No more than the range.
Maximum aggregate size principle: maximum aggregate size should not exceed the 1/3 of repair layer thickness, namely the pit slot on former road surface
Depth 1/3.Further, the lesser pit slot of area is repaired, such as pit slot area≤0.5m2When, maximum aggregate size is
10mm；Repair the biggish pit slot of area such as pit slot area > 0.5m2, then should be selected, be avoided the occurrence of according to former road surface maximum particle diameter
Larger difference, the beauty on the road surface after influencing repairing.
Further, epoxy resin is modified epoxy.By being modified to epoxy resin, traditional material can be improved
Easy aging, the disadvantages of cracking, bond strength be high, constructional difficulties so that concrete road surface material for quickly repairing heat resistance
Height, flame resistance is good, it is low with storage period, viscosity to extend using period, curability at low temperatures is good.Concrete road surface material for quickly repairing is formed
Repair layer it is not easy to aging, cracking, bond strength is high.
It is fast that above-mentioned concrete road surface material for quickly repairing can be suitable for a variety of concrete road surface damage revampings, easy construction
It is prompt, with former road surface adhesive property is good, resistance to Moisture Damage, long service life and is not susceptible to secondary damage.Above-mentioned concrete road surface is fast
Fast repair materials form binder, and the matter of epoxy resin and modified amine curing agent using epoxy resin and modified amine curing agent
Amount is than being that 1:0.75-1:1 can be realized and be had the advantages that organic material by concrete road surface material for quickly repairing elasticity is good, solidification
Speed is adjustable, hardening when shrink small, interface binding intensity is high, without volatile solvent, anti-aging and media-resistant (acid, alkali, oil and
Water) property is good and the compression strength of inorganic material is high, wear-resisting advantage, and wet and heat ageing resistant and water resistance are excellent.The present invention uses
Modified amine curing agent there is concrete road surface material for quickly repairing bond strength is high, ageing-resistant, good operability, speed of application
Fastly, convenient, flexible performance, the breakage that can be efficiently applied to cement concrete pavement, asphalt concrete pavement or stone material are repaired
It mends, good with former road surface or stone surface adhesive property, resistance to Water Damages can be good, and short construction period, the quick open to traffic of energy.
Embodiment 1
Present embodiments provide a kind of concrete road surface of concrete road surface material for quickly repairing used the quickly side of reparation
Method comprising following steps:
(1) it close traffic: closes on the road surface that needs are repaired.
(2) former road processing: digging 10cm-20cm for the edge of the pit slot on former road surface, to expand the size of pit slot, cleaning hole
Dust and float stone in slot guarantee that pit slot is clean, dry.
When digging to the edge of pit slot, pit slot edge is extended out into 10cm, so that the coagulation of the pit slot edge after digging
Soil is without damaged, loose.When former road surface breakage or the shallower penetration of fracture, reply pit slot is dug to without damaged or free from flaw depth,
It most preferably digs to the former roadbed bottom of exposing in pit slot；After can so guaranteeing that repair layer is connect with former road, repair layer periphery is not
It will appear breakage, be less prone to the phenomenon of secondary breakage.
The inner wall of pit slot is dried, drying mode when repair layer is dried includes gas spray gun
Drying, high pressure draught air-dry or one of natural air drying or a variety of.
(3) it prepares concrete road surface material for quickly repairing: epoxy resin and modified amine curing agent is strictly mixed according to the ratio
Close, blender stir 3 minutes (temperature it is lower as temperature be lower than 15 DEG C when mixing time be appropriately extended to 5min), stir evenly shape
It is spare at binder.The binder being stirred interior in 15 minutes at normal temperature should use, out-of-date calcellation.By binder with add
Add agent, aggregate mixing, stirs 3 minutes, stir evenly to form concrete road surface material for quickly repairing, concrete road surface is quickly repaired
Material needs otherwise to cancel within 20 minutes using finishing.Wherein, additive is portland cement powder.
(4) it coats: dipping portion of binder and the inner wall of pit slot be coated with forming adhesive layer, adhesive layer can increase
Add the cementability of repair layer and former road surface.
(5) filler: concrete road surface material for quickly repairing being inserted in pit slot, is plugged and pounded and is compacted, and forms repair layer.
Repair layer is flushed with former road surface.When the depth of pit slot is greater than 10cm, answers placement in layers and plug and pound, every thickness degree≤10cm, and
Being both needed to vibrating compacting, especially edge will plug and pound closely knit, and the repair layer of final molding should flatten closely knit, the gap of repair layer
Rate is not more than 3%.
(6) maintenance and open to traffic: according to the difference of environment temperature locating for construction road surface, needed for maintenance and open to traffic
Time differ, as environment temperature be 25 DEG C or so when, then construct after 5 hours can open to traffic, as environment temperature be 30 DEG C of left sides
When right, then construct after 4 hours can open to traffic, temperature is higher, and required time is shorter.When temperature is lower or thinks to open friendship in advance
It, can be suitably using heating, insulated curing measure when logical.
When environment temperature≤25 DEG C locating for former road surface, the molding time of repair layer is not less than 5h；Locating for former road surface
25 DEG C of environment temperature > and at≤30 DEG C, the molding time of repair layer is not less than 4h；The environment temperature > 30 locating for the former road surface
DEG C when, the molding time of repair layer is not less than 3h.
Curing time is executed by the standard time under normal circumstances, can be held by the minimum time in special circumstances (such as traffic congestion)
Row.It obtains in no instance and is lower than minimum curing time, otherwise it cannot be guaranteed that repairing quality.
Required curing time see the table below 2 institutes to the repair layer that road surface breakage material for quickly repairing is formed at different ambient temperatures
Show.
Table 2
| Environment temperature | 25℃ | 30℃ | 35℃ |
| Curing time (h) | 5 | 4 | 3 |
Embodiment 2
The present embodiment is related to a kind of cement pavement concrete road surface fast repairing method comprising following steps:
(1) close traffic: the cement pavement repaired to needs is closed, and cement pavement construction environment temperature is 26 DEG C.
(2) former road processing: the area of the pit slot of cement concrete pavement about 15cm2.By the pit slot of cement concrete pavement
It carries out rectangle cutting and forms rectangle pit slot, depth of cut 5cm, pit slot side length 10cm clear up the dust and float stone in pit slot, protect
It is clean to demonstrate,prove pit slot.High pressure draught is carried out to the inner wall of pit slot to air-dry.
(3) concrete road surface material for quickly repairing: binder and aggregate in the material for quickly repairing of concrete road surface is prepared
Mass ratio be 1:9；Binder includes epoxy resin and modified amine curing agent, the quality of epoxy resin and modified amine curing agent
Than for 1:1.It is added the 1.83% of concrete road surface material for quickly repairing gross mass.
100 parts of epoxy resin, 100 parts of modified amine curing agent, 12 parts of pulverized limestone, 21 parts of cement, 1800 parts of aggregate are weighed,
400 parts of the fine aggregate of partial size 3-5mm in middle aggregate；500 parts of partial size 5-10mm rubble；900 parts of partial size 10-16mm rubble.By stone
Ashes and cement are added in epoxy resin, are uniformly mixed, and modified amine curing agent is added after 2-3 minutes in stirring, after uniform mixing
It is stirred for 2-3 minutes, adds aggregate and be mixed 3-5 minutes to get to concrete road surface material for quickly repairing.
(4) it coats: dipping portion of binder and the inner wall of pit slot is carried out being coated with increase cementability.
(5) filler: concrete road surface material for quickly repairing being inserted in pit slot, is plugged and pounded and is compacted, and forms repair layer.
Repair layer is flushed with former road surface, and the voidage of repair layer is not more than 3%.
(6) maintenance and open to traffic: it is 26 DEG C according to environment temperature locating for construction road surface, can opens within 5 hours after construction
Traffic.
Embodiment 3
Wheel tracking test
The present embodiment is related to a kind of pavement concrete road surface material for quickly repairing, wherein quickly repairs material in concrete road surface
The mass ratio of binder and aggregate in material is 1:9；Binder includes epoxy resin and modified amine curing agent, epoxy resin with
The mass ratio of modified amine curing agent is 1:1.Preparation method is same as Example 1, and epoxy resin and modified amine curing agent is tight
Lattice mix according to the ratio, and blender stirs 3 minutes, stirs evenly to form binder, spare.Binder is mixed with aggregate, stirring 3
Minute, it stirring evenly to form concrete road surface material for quickly repairing, concrete road surface material for quickly repairing is inserted in track mold,
Form track repair layer.
Comparative example 1
This comparative example is related to a kind of concrete road surface material for quickly repairing, wherein in the material for quickly repairing of concrete road surface
Binder and aggregate mass ratio be 1:9；Binder includes epoxy resin and modified amine curing agent, epoxy resin and modification
The mass ratio of amine hardener is 1:1.Other methods are same as Example 3.
Comparative example 2
This comparative example is related to a kind of concrete road surface material for quickly repairing, wherein in the material for quickly repairing of concrete road surface
Binder and aggregate mass ratio be 1:6；Binder includes epoxy resin and modified amine curing agent, epoxy resin and modification
The mass ratio of amine hardener is 1:1.Other methods are same as Example 3.
Comparative example 3
This comparative example is related to a kind of concrete road surface material for quickly repairing, wherein in the material for quickly repairing of concrete road surface
Binder and aggregate mass ratio be 1:9；Binder includes epoxy resin and modified amine curing agent, epoxy resin and modification
The mass ratio of amine hardener is 1:0.6.Other methods are same as Example 3.
Comparative example 4
This comparative example is related to a kind of concrete road surface material for quickly repairing, wherein in the material for quickly repairing of concrete road surface
Binder and aggregate mass ratio be 1:9；Binder includes epoxy resin and modified amine curing agent, epoxy resin and modification
The mass ratio of amine hardener is 1:1.5.Other methods are same as Example 3.
Comparative example 1- ratio 4 and the resulting repair layer formed by concrete road surface material for quickly repairing of embodiment 3 into
The comparing result of row wheel tracking test is as shown in table 3.
Table 3
By experimental demonstration, when the mass ratio of epoxy resin and modified amine curing agent is more than the range of 1:0.75-1:1,
The performance of concrete road surface material for quickly repairing is then substantially reduced, and such as organic elastic properties of materials is poor, curing rate adjustability is poor, hard
Contraction is big when change, interface binding intensity is low, the pressure resistance of anti-aging and media-resistant (acid, alkali, oil and water) property difference and inorganic material
Spend it is low, wear no resistance, wet and heat ageing resistant and water resistance are obviously reduced.When the mass ratio of binder and aggregate is more than 1:8-1:10
Range when, 1 hour track number of the repair layer formed by the quick repairing material of road surface breakage is substantially increased, 10000 times effect
Lower relative deformation ratio is substantially increased, and high temperature deformation resistance ability significantly reduces.
Above-mentioned road surface breakage fast repairing method is that epoxy resin, modified amine curing agent is used to form multicomponent for main material
Thermosetting resin, then the fast repairing method of the pit slot on former road surface is repaired with the mixing cured molding of aggregate that predetermined level is matched, it should
Restorative procedure formed repair layer have both organic elastic properties of materials is good, curing rate is adjustable, hardening when do not shrink substantially, interfacial adhesion
Intensity is high, without volatile solvent, anti-aging and media-resistant (acid, alkali, oil and water) property is good and the compression strength height of inorganic material,
Wear-resisting advantage, while being repaired for the damaged of the road surface in the area of damp and hot weather, construction method is easy, can quickly open friendship
It is logical, it can be good with former road surface bonding and resistance to Water Damages.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of concrete road surface material for quickly repairing, which is characterized in that the preparation of the concrete road surface material for quickly repairing
Raw material includes following each raw material component: binder and aggregate, and the mass ratio of the binder and the aggregate is 1:8-1:10；
The binder includes epoxy resin and modified amine curing agent, the matter of the epoxy resin and the modified amine curing agent
Amount is than being 1:0.75-1:1.
2. concrete road surface material for quickly repairing according to claim 1, which is characterized in that it further include additive, it is described
The quality of additive is the 0.5%-2% of the binder and the aggregate total amount.
3. concrete road surface material for quickly repairing according to claim 2, which is characterized in that the additive is pulverized limestone
And/or portland cement powder.
4. concrete road surface material for quickly repairing according to claim 1 to 3, which is characterized in that the aggregate
For light building stones.
5. a kind of concrete road surface using concrete road surface material for quickly repairing described in claim 1-4 any one is quick
Restorative procedure, which comprises the steps of:
Former road processing: the pit slot on former road surface is cleared up；
Prepare concrete road surface material for quickly repairing: epoxy resin and modified amine curing agent mixed, stir evenly to be formed it is viscous
Agent is tied, the binder is mixed with additive, aggregate, stirs evenly to form the concrete road surface material for quickly repairing；
Filler: the concrete road surface material for quickly repairing is inserted in the pit slot, and compacting forms repair layer, the repair layer
It is flushed with the former road surface.
6. concrete road surface fast repairing method according to claim 5, which is characterized in that further include following steps:
10cm-20cm is dug at the edge of the pit slot, to expand the size of the pit slot.
7. concrete road surface fast repairing method according to claim 5, which is characterized in that further include following steps: right
The inner wall of the pit slot is dried, and drying mode when drying process includes that gas spray gun drying, high pressure draught air-dry
Or one of natural air drying or a variety of.
8. concrete road surface fast repairing method according to claim 7, which is characterized in that before filler, dip portion
The binder is divided to apply coated with formation adhesive layer the inner wall of the pit slot.
9. according to concrete road surface fast repairing method described in claim 5-8, which is characterized in that locating for the former road surface
Environment temperature≤25 DEG C when, the molding time of the repair layer is not less than 5h；The environment temperature > locating for the former road surface
At 25 DEG C and≤30 DEG C, the molding time of the repair layer is not less than 4h；30 DEG C of environment temperature > locating for the former road surface
When, the molding time of the repair layer is not less than 3h.
10. according to concrete road surface fast repairing method described in claim 5-8 any one, which is characterized in that described to repair
The voidage of cladding is not more than 3%.
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