CN109133844A - A kind of Rapid Patching Material for PCC Airfield and preparation process - Google Patents
A kind of Rapid Patching Material for PCC Airfield and preparation process Download PDFInfo
- Publication number
- CN109133844A CN109133844A CN201811207219.3A CN201811207219A CN109133844A CN 109133844 A CN109133844 A CN 109133844A CN 201811207219 A CN201811207219 A CN 201811207219A CN 109133844 A CN109133844 A CN 109133844A
- Authority
- CN
- China
- Prior art keywords
- parts
- pcc
- added
- airfield
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
-
- 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
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of Rapid Patching Material for PCC Airfield, including following component: cement concrete, composite base-material, dry rubble, magnesium phosphate cement mixture, polymer cement concrete, it is dehydrated epoxy emulsified asphalt, SBS modifier, sand aggregate, retarder, composite water-reducing agent, coagulant, additionally provide a kind of preparation process of Rapid Patching Material for PCC Airfield, first to dry rubble, sand aggregate is pre-processed and feeds to obtain auxiliary initial material, additive is added and controls condition of molding and successively obtains repairing initial material and repairs molding mass, molding mass injection road gap will be repaired later completes road surface reparation, to using the material made from above-mentioned formula and technique not only can be with rapid repairing road surface, and it is small to inside concrete metal protection, compression strength is big, and antiseep and caking property are strong, it can Effectively extend the service life on entire repairing road surface.
Description
Technical field
The present invention relates to road construction field of material technology, specially a kind of Rapid Patching Material for PCC Airfield and
Preparation process.
Background technique
Cement concrete refers to the general designation for being mixed by cement, sand, stone etc. with water and forming whole engineered composite material, cement
Concrete: refer to the general designation for being mixed by cement, sand, stone etc. with water and forming whole engineered composite material, the concrete usually said
One word, which refers to, makees cementitious material with cement, and sand, masonry gather materials；Match by a certain percentage with water (adding or be not added additive and admixture)
It closes, cement concrete, also referred to as normal concrete obtained by agitated, molding, maintenance, it is widely used in civil engineering.
Concrete road surface is the main paving type of current countries in the world high-grade highway, asphalt concrete pavement tool
Have the advantages that surfacing, seamless, with small vibration, noise is low, driving is comfortable, maintenance is convenient, but by road asphalt sheet
The influence of body quality, the pitch in China road surface intensity, in terms of be affected by temperature bigger, road surface is easy to brokenly
It is bad.
Cement concrete product refers to the various building elements and engineering prefabricated component being process by cement concrete, habit
Upper title cement products, the product including the various geometries such as cement concrete slab, block, beam, column, pipe.
And cement concrete pavement refers to the road surface that surface layer is done using cement concrete as main material, abbreviation concrete road
Face, also known as rigid pavement, are commonly called as white pavement, it is a kind of high class pavement.Cement concrete pavement has plain concrete, reinforcing bar mixed
The various road surfaces such as solidifying soil, continuous reinforcement concrete, prestressed concrete.
After long-time use due to road, it often will appear the case where local damage, need to carry out face and repair work
Make, and traditional road face repair materials are primarily present following defect:
(1) traditional road face repair materials are that road surface reparation is directly carried out in such a way that cement concrete pours, again
The cement concrete bonding poured is unstable, and junction active force does not often reach requirement, for a period of time because structure is strong
Degree is not enough easily damaged；
(2) general road surface repair materials itself are easy to seep water simultaneously, and external liquid is caused to be easily accessible inside road
Corrosion is generated, to increase the damaged condition on road surface, influences the service life on road surface.
Summary of the invention
In order to overcome the shortcomings of prior art, the present invention provide a kind of Rapid Patching Material for PCC Airfield and
Preparation process uses material made from above-mentioned formula and technique not only can be with rapid repairing road surface, but also it is to inside concrete
Metal protection is small, and compression strength is big, and antiseep and caking property are strong, and can effectively extend entire repairing road surface uses the longevity
Life can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of Rapid Patching Material for PCC Airfield includes following ingredient according to weight:
100~200 parts of cement concrete, 50~90 parts of composite base-material, dry 100~140 parts of rubble, magnesium phosphate cement mixes
40~80 parts of object are closed, 40~80 parts of polymer cement concrete, is dehydrated 10~20 parts of epoxy emulsified asphalt, SBS modifier 8~18
Part, 30~50 parts of sand aggregate, 8~16 parts of retarder, 15~25 parts of composite water-reducing agent, 8~16 parts of coagulant.
Further, the dehydration epoxy emulsified asphalt uses mass ratio for the polyurethane epoxy after the Water-borne modification of 1:2:3
Resin, emulsified asphalt and defoaming agent mix, and mixing temperature is 50~60 DEG C.
Further, the magnesium phosphate cement mixture preparation process are as follows:
Potassium dihydrogen phosphate and borax are respectively placed in the dry 10h of drying equipment, temperature is 55 DEG C；
By after drying potassium dihydrogen phosphate and borax respectively cross 150 μm of square hole screens and guarantee screen over-size be no more than 10%；
Treated potassium dihydrogen phosphate and borax is chosen respectively, is that 20~30min is mixed in 2:1 according to mass ratio.
The present invention also provides a kind of preparation processes of Rapid Patching Material for PCC Airfield, include the following steps:
S100, dry rubble, sand aggregate are pre-processed, and fine grinding mixing is added composite water-reducing agent and obtains auxiliary just
Material；
S200, by composite base-material, magnesium phosphate cement mixture, cement concrete, polymer cement concrete, dehydration epoxy
Emulsified asphalt and retarder mix in proportion, and add water to be gradually classified stirring and obtain repairing initial material to thick；
S300, addition repairs in initial material and is mixed to get mixing initial material in auxiliary initial material, is separately added into SBS in proportion later
Modifying agent, coagulant obtain repairing molding mass；
S400, pretreatment is punched to concrete road surface, molding mass pressurization injection will be repaired and complete road surface reparation.
Further, pretreated detailed process in the step s 100:
S101, dry crushed stone material and sand aggregate are homogenized screening, and crushed stone material of uniform size after screening
It is put into inside rotary kiln with sand aggregate and is heated to 700~900 DEG C, heat 30~50min；
Dry crushed stone material and sand aggregate of uniform size after pre- homogenizing are chosen, be put into inside heating kiln and be heated to 700~
900 DEG C, heat 30~50min；
S102, the material of heating is quickly cooled to 40~80 DEG C, and grinds to obtain particulate powder bottom by grinder
Material；
S103, above-mentioned powder bottom material is sifted out by the square hole screen that aperture is 150~180 μm, and screen over-size is no more than
5%, otherwise repeat the above steps；
S104, the powder bottom material sifted out is cooled to room temperature state and mixes addition composite water-reducing agent, be evenly stirred until nothing
It significantly builds up to obtain auxiliary initial material.
Further, detailed process in the step S200 are as follows:
Composite base-material, cement concrete, polymer cement concrete are proportionally mixed and added water and stirred, until half is viscous
Thick shape obtains molding bottom material；
Magnesium phosphate cement mixture is added to stir evenly, ammonium hydroxide is added and adjusts PH to 8, obtains secondary bottom material；
Dehydration epoxy emulsified asphalt is continuously added later, gradually stir 3 times or more, each speed of agitator is stepped up, it
After be heated to 40~50 DEG C and be added retarder to it is thick obtain repair initial material.
Further, the detailed process of the step S300 are as follows:
A certain amount of auxiliary initial material is weighed into container, suitable quantity of water is added to mortar shape, and keeps the container internal temperature to be
60~70 DEG C；
N is continually fed into container2To 10min or more, increases container air pressure inside and to 1MPa and keep current pressure；
Continue to be passed through nitrogen into said vesse, and is passed directly into mortar in the exit of nitrogen installation foam maker
Inside is foamed, and is persistently stirred at low speed during foaming so that nitrogen bubble is evenly distributed in mortar；
The reparation initial material of equivalent is rapidly joined in 20~30min being passed through after nitrogen gas foaming into container and stir 5~
10min until being thoroughly mixed to obtain premix, and is continually fed into nitrogen and foams；
It is proportionally added after SBS modifier is sufficiently mixed into premix, reduces the pressure in container to normal pressure simultaneously
And it is mixed until without obvious deposit；
Coagulant is added again and mixes, continues to be passed through N2Increase air pressure inside to 2MPa, heats evaporating water until containing
Water obtains repairing molding mass after being reduced to 40% or less.
Further, the detailed process in the step S400 are as follows:
It determines the case where section is repaired in face, suitable position of repairing is selected to carry out punching processing；
Current temperature and temperature and humidity conditions are detected, reparation molding mass obtained is infused with the mechanical pressure of 0.3~0.4MPa
Enter to repair among gap；
Surface maintenance is carried out to the material of injection until compression strength reaches standard.
Further, the specific injection process of molding mass is repaired in the step S400 are as follows: inject from gap one end is repaired
Molding mass is repaired, the slip casting work in next hole can be carried out after next hole grout, until last of same crack
It completes slip casting and keeps 3min in a hole.
Compared with prior art, the beneficial effects of the present invention are:
Road surface repair materials produced by the present invention not only can be with rapid repairing road surface, but also it is rotten to inside concrete metal
Corrosion is small, and inside and outside compression strength greatly enhances, and antiseep and caking property are strong, and can be effectively prevented freeze thawing corrosion and salt
Corrosion, can stable use in different environments, can effectively extend the service life on entire repairing road surface.
Detailed description of the invention
Fig. 1 is preparation process workflow schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, including as follows according to weight the present invention provides a kind of Rapid Patching Material for PCC Airfield
Ingredient:
100 parts of cement concrete, 50 parts of composite base-material, dry 100 parts of rubble, magnesium phosphate cement mixture part, polymer
40 parts of cement concrete, 10 parts of epoxy emulsified asphalt of dehydration is 8 parts of SBS modifier, 30 parts of sand aggregate, 8 parts of retarder, compound to subtract
15 parts of aqua, 8 parts of coagulant.
The dehydration epoxy emulsified asphalt uses mass ratio for the polyurethane-epoxy resin after the Water-borne modification of 1:2:3, emulsification
Pitch and defoaming agent mix, and mixing temperature is 50~60 DEG C.
The magnesium phosphate cement mixture preparation process are as follows:
Potassium dihydrogen phosphate and borax are respectively placed in the dry 10h of drying equipment, temperature is 55 DEG C；
By after drying potassium dihydrogen phosphate and borax respectively cross 150 μm of square hole screens and guarantee screen over-size be no more than 10%；
Treated potassium dihydrogen phosphate and borax is chosen respectively, is that 20~30min is mixed in 2:1 according to mass ratio.
Embodiment 2
A kind of Rapid Patching Material for PCC Airfield further includes following ingredient according to weight:
150 parts of cement concrete, 70 parts of composite base-material, dry 120 parts of rubble, 60 parts of magnesium phosphate cement mixture, polymerization
60 parts of object cement concrete, 15 parts of epoxy emulsified asphalt of dehydration is 13 parts of SBS modifier, 40 parts of sand aggregate, 12 parts of retarder, multiple
Close 20 parts of water-reducing agent, 12 parts of coagulant.
The dehydration epoxy emulsified asphalt uses mass ratio for the polyurethane-epoxy resin after the Water-borne modification of 1:2:3, emulsification
Pitch and defoaming agent mix, and mixing temperature is 50~60 DEG C.
The magnesium phosphate cement mixture preparation process are as follows:
Potassium dihydrogen phosphate and borax are respectively placed in the dry 10h of drying equipment, temperature is 55 DEG C；
By after drying potassium dihydrogen phosphate and borax respectively cross 150 μm of square hole screens and guarantee screen over-size be no more than 10%；
Treated potassium dihydrogen phosphate and borax is chosen respectively, is that 20~30min is mixed in 2:1 according to mass ratio.
Embodiment 3
A kind of Rapid Patching Material for PCC Airfield includes following ingredient according to weight:
200 parts of cement concrete, 90 parts of composite base-material, dry 140 parts of rubble, 80 parts of magnesium phosphate cement mixture, polymerization
80 parts of object cement concrete, 20 parts of epoxy emulsified asphalt of dehydration is 18 parts of SBS modifier, 50 parts of sand aggregate, 16 parts of retarder, multiple
Close 25 parts of water-reducing agent, 16 parts of coagulant.
The dehydration epoxy emulsified asphalt uses mass ratio for the polyurethane-epoxy resin after the Water-borne modification of 1:2:3, emulsification
Pitch and defoaming agent mix, and mixing temperature is 50~60 DEG C.
The magnesium phosphate cement mixture preparation process are as follows:
Potassium dihydrogen phosphate and borax are respectively placed in the dry 10h of drying equipment, temperature is 55 DEG C；
By after drying potassium dihydrogen phosphate and borax respectively cross 150 μm of square hole screens and guarantee screen over-size be no more than 10%；
Treated potassium dihydrogen phosphate and borax is chosen respectively, is that 20~30min is mixed in 2:1 according to mass ratio.
In above-described embodiment 1 into embodiment 3, dried and screened screening is respectively adopted in preparation for magnesium phosphate cement
Mode mixed again, can effectively improve the fine degree of finished product magnesium phosphate cement, subsequent stirring molding during
Promote raw material between be combined with each other, can effectively reduce raw material molding when inside there is gap or bubble the case where.
Further, moisture is effectively removed by suitably heating drying when preparing magnesium phosphate cement, can prevented
There is the situation agglomerated or gone bad when storage in magnesium phosphate cement obtained.
Taking common road surface repair materials is contrast material, is compared with material made from above three embodiments, main
It to include the parameters such as adhesion strength, compression strength (MPa), resistance to corrosion, permeability.
| Reduced parameter | Adhesion strength | Compression strength | Resistance to corrosion | Permeability |
| Embodiment 1 | By force | 51 | By force | 4.0% |
| Embodiment 2 | By force | 55 | By force | 3.1% |
| Embodiment 3 | By force | 53 | By force | 3.5% |
| Contrast material | Generally | 35 | Difference | 8% |
Road surface repair materials made from above-described embodiment have the advantages that
(1) it uses the packing material of uniform dry rubble and sand aggregate as entire material, not only can effectively increase
Strong hardness of the material after condensation, and the contact area inside moulding material is increased, whole cementation is improved,
Internal structure bearing capacity is stronger；
(2) the dehydration epoxy emulsified asphalt of the material addition in this programme, improves the antiskid performance, impervious for repairing road surface
Performance, the surface maintenance on road surface have well adapting to property, and conventional emulsification pitch has essence raising compared to caking property, with market
Sealing product, which is compared, has many advantages, such as that solidification is bonded by force, easily constructed, mass effect is good, pollution-free；
(3) polymer cement concrete added in material contains polymer emulsion, improves the anti-of mortar significantly
The durability of concrete can be improved in pressure, tension and bending strength, polymer cement concrete, can be effectively prevented freeze thawing corruption
Erosion and salt corrosion；
(4) composite base-material is made of sulphate aluminium cement with portland cement by a certain percentage, and the two plays respective spy
Property generate performance complement, the former provides early strength, and the latter provides later strength；
(5) effect of compound buck agent is to reduce water consumption that concrete mixes and stirs, increase mobility, improve consistency and strong
Degree improves cohesive force, impermeability, reduction bleeding rate of new and old commerical ready-mixed concrete etc., and the purpose that retarder is added is that adjustment is applied
Setting time required for work operates.
As shown in Figure 1, the present invention also provides a kind of preparation processes of Rapid Patching Material for PCC Airfield, including
Following steps:
S100, pretreatment is carried out to dry rubble, sand aggregate and fine grinding mixing is added composite water-reducing agent and obtains auxiliary initial material；
The detailed process of the step S100:
S101, dry crushed stone material and sand aggregate of uniform size after pre- homogenizing are chosen, is put into inside heating kiln and is heated to
700~900 DEG C, 30~50min is heated, the dry rubble and sand aggregate of uniform size of selection are conducive to be uniformly mixed, and lead to
The mode for crossing high temperature heating and calcining is dried, and while removing dry rubble and sand aggregate surface water, further goes
Except wherein remaining activity combines water, while facilitating preservation, be conducive to increase water absorbing capacity during subsequent stirring molding
Power improves the intensity of entire material.
Pre- homogenizing technology is exactly, with the heap feeding technology of science, to realize the preliminary of raw material in raw material during depositing, withdrawing
Homogenizing makes material storage yard be provided simultaneously with the function of storage and homogenizing, the basic principle of raw material prehomogenization be exactly in material stacking,
The raw material come in continuously piled in a certain way by stacker it is as much as possible be parallel to each other, overlapping and identical thickness up and down
The bed of material of degree when feeding, in the direction perpendicular to the bed of material, cuts all bed of materials simultaneously as far as possible, successively cuts, until taking,
That is " tiling directly takes ", utmostly improves the uniformity of material.
During pre- homogenizing, CaCO in selected material is detected first3Fluctuation ratio R, when the fluctuation of CaCO3
Ratio R < 10%, then without homogenizing；It when fluctuation ratio R > 10% of CaCO3, then needs to be homogenized, the CaCO3 after homogenizing fluctuates model
System is contained ± 1%.
The drying rubble of selection and sand aggregate are handled by way of being homogenized in advance, so that the raw material chosen is more equal
It is even, to reduce the quality fluctuation of product, while convenient for improving the utilization rate of raw material to the pre- ingredient of the raw material of different component.
S102, the material of heating is quickly cooled to 100 DEG C, 1~2h is ground by grinder and obtains particulate powder bottom
Material, is cooled down, and be ground into powder bottom material by the way of direct wind cooling temperature lowering, facilitates subsequent hybrid working；
Powder bottom material after S103, grinding is sifted out by the square hole screen that aperture is 150~180 μm, and screen over-size is no more than
5%, while the powder bottom material after grinding is screened by 150~180 μm of square hole screen, it is screened out from it diameter
Satisfactory particle, so that the finished-product material precision of preparation is higher, it, can be further relative to the mode of directly grinding charging
Screening effect is played, prevents grinding precision inadequate.
S104, the powder bottom material sifted out is cooled to room temperature state and mixes addition composite water-reducing agent, be evenly stirred until nothing
It significantly builds up to obtain auxiliary initial material, on the one hand the composite water-reducing agent that auxiliary initial material obtained passes through addition when in use prevents from storing
Shi Shouchao, on the other hand, compound buck agent can reduce the water consumption that concrete mixes and stirs, increase mobility, improve consistency and
Intensity, the cohesive force for improving new and old commerical ready-mixed concrete, impermeability, reduction bleeding rate etc..
It uses the packing material of uniform dry rubble and sand aggregate as entire material, not only can effective strengthening material
Expect the hardness after condensation, and increase the contact area inside moulding material, improves whole cementation, it is internal
Structure bearing capacity is stronger.
S200, by composite base-material, magnesium phosphate cement mixture, cement concrete, polymer cement concrete, dehydration epoxy
Emulsified asphalt and retarder are mixed in proportion and are added water and stirred to thick and obtain repairing initial material；
Detailed process in the step S200 are as follows:
Composite base-material, cement concrete, polymer cement concrete are proportionally mixed and added water and stirred, until half is viscous
Thick shape obtains molding bottom material, and composite base-material, cement concrete, polymer cement concrete are proportionally mixed to half sticky
Shape leaves enough detention spaces for the addition of subsequent raw material, facilitates subsequent original while realizing that three kinds of raw materials tentatively mix
Material is uniformly mixed.
Magnesium phosphate cement mixture is added to stir evenly, ammonium hydroxide is added and adjusts PH to 8, obtains secondary bottom material, and is being added
When magnesium phosphate cement mixture to molding bottom material, it is in acid since its faintly acid is easy to cause the pH value of mixed liquor to decline
Property, and in acid condition, the oxidation film formed after magnesium phosphate cement aquation is easy to happen dissolution, so as to cause the crystallization of formation
Net ruptures and influences the intensity of subsequent forming, adjusts PH to 8 by the way that ammonium hydroxide is added, so that alkalescent is presented in mixed raw material,
Be conducive to enhance the intensity of mixed liquor；
Dehydration epoxy emulsified asphalt is continuously added later, gradually stir 3 times or more, each speed of agitator is stepped up, it
After be heated to 40~50 DEG C and be added retarder to it is thick obtain repair initial material, be added dehydration epoxy emulsified asphalt when
It waits, when being carried out, and stirred by multiple agitating mode, speed of agitator is stepped up, in a part dehydration epoxy emulsification drip
It, can be effective to achieve the purpose that depth mixes using the progressive mode that revolving speed is continuously improved in the case that blueness is uniformly mixed
Single revolving speed mixing in the prior art is solved to be difficult to achieve the purpose that depth mixes.
Wherein it should be noted that being potassium dihydrogen phosphate, boron for newly added magnesium phosphate cement mixture main component
Sand and magnesia, after the water was added material become solution and its it is internal formed one using magnesia as frame, with phosphoric acid salt water
Compound is the crystalline texture net of main binding material, and hardening becomes the hardenite of a strong mechanical performance after the dry condensation of material,
The intensity for improving finished-product material, is hardly damaged, and can play the role of enhancing shaping strength.
Composite base-material is made of sulphate aluminium cement with portland cement by a certain percentage, and the two plays respective characteristic and produces
Raw performance complement, the former provides early strength, and the latter provides later strength；The former has microdilatancy and salt resistance class aggressivity, has
It is shunk conducive to compensation and mitigates cracking；The latter promotes the former aquation, coagulates material more fastly, fast hardness, and avoids individually making
With the easy dusting phenomenon in surface when the former, enhancing wearability.The introducing of the latter improves Behavior of Hardened Cement Paste basicity, advantageous to mitigate carbonization and keep away
Exempt from steel bar corrosion.
Polymer cement concrete contains polymer emulsion, and resistance to compression, tension and the bending for improving mortar significantly are strong
The durability of concrete can be improved in degree, polymer cement concrete, and since the ratio of mud reduces, total porosity decline is closely knit
Degree increases, in addition, the microcrack in polymer-filled concrete, and and run through organic film in mortar, make polymer cement
The permeability of concrete reduces, and prevents the entrance of aggressive agent, therefore can be effectively prevented freeze thawing corrosion and salt corrosion.
S300, it will assist being mixed with to obtain mixing initial material in addition reparation raw material initial material in initial material, divide in proportion later
Not Jia Ru SBS modifier, coagulant obtain repairing molding mass；
The detailed process of the step S300 are as follows:
A certain amount of auxiliary initial material is weighed into container, suitable quantity of water is added to mortar shape, and keeps the container internal temperature to be
60~70 DEG C, while auxiliary initial material is added, heating treatment is carried out to container inside, can promote to assist drying in initial material broken
The gap opening of stone, sand aggregate, water suction when subsequent raw material being facilitated to mix are added by increasing water absorption to increase the condensation of raw material
Gu effect.
N is continually fed into container2To 10min or more, increases container air pressure inside and to 1MPa and keep current pressure, lead to
Cross be passed through nitrogen mode on the one hand removal container in foreign gas, prevent when material forming occur oxidation or at
The bad situation of type, on the other hand increasing the air pressure inside container can promote to be combined with each other between the substance being added, while
The active force combined between mixture is increased, the shaping strength of raw material is increased；
In the present embodiment, it is foamed by the way that nitrogen is added, it is a large amount of its role is to be formed inside mortar
Gap can achieve the purpose that homogeneous mixes, and in this hair convenient for the final mixing of mixture during mixing
Since ingredient is numerous in bright, it is difficult to realize uniformly mix using the method for convention stir, therefore by the way of nitrogen gas foaming
It on the one hand can achieve the effect that above-mentioned, still further aspect can also promote to mix.
The reparation initial material of equivalent is added into container and stirs 5~10min, until being thoroughly mixed to obtain premix；
SBS modifier is proportionally added to mix into premix, is mixed until without obvious deposit, addition
SBS modifier is modified mixture, and coagulant is added again and mixes, continues to be passed through N2Increase air pressure inside to 2MPa,
Heating evaporating water is until water content obtains repairing molding mass after being reduced to 40% or less, and is passed through nitrogen herein and increases in container
Portion's air pressure further promotes the mixing of each raw material components in raw material mixed liquor.
S400, pretreatment is punched to concrete road surface, molding mass pressurization injection will be repaired and complete road surface reparation, carrying out road
When face is repaired, selection needs the position repaired to repair one by one, and its detailed process are as follows:
It determines the case where section is repaired in face, selects suitable position of repairing to carry out punching processing, the road repaired for needs
Face position, it is first determined the hole accomplished fluently is cleaned out and wheat embedment is infused by the width and length in crack, utilizing works boring and coring
Slurry pipe, according to the road slot situation opened of scene plane, if discovery pavement crack and steady layer of water or roadbed cracks are not in the same vertical plane,
Then it should accomplish that the depth of pilot hole should reach steady layer of water and pipe laying will be using superficial part embedding manner, to guarantee water in the pilot hole pipe laying stage
Steady layer and bitumen layer injection slurry can be full.After Grouting Pipe is buried in place, with dedicated polyurethane closed material to Grouting Pipe four
Zhou Jinhang closing, the spacing of wells is depending on fracture width, and generally between 20~40cm, every is stitched to few drill two holes；
And when punching, after closing the material solidification of Grouting Pipe surrounding, using air compressor machine pressurization borehole cleaning, high pressure is empty
Air pressure enters grouting nozzle, dust, the moisture etc. in hole is cleared up outside portalling as far as possible, prevents from causing blocking in hole；
Current temperature and temperature and humidity conditions are detected, reparation molding mass obtained is infused with the mechanical pressure of 0.3~0.4MPa
Enter to repair among gap, repairs molding mass from the injection of gap one end is repaired, can be carried out after next hole grout next
The slip casting in hole works, until the last one hole in same crack completes slip casting and keeps 3min, meanwhile, carrying out slip casting
When, if other holes have slurry to overflow, to allow its outflow to be closed (prevent in hole also air) again a little while, to improve slip casting
Effect will close Grouting Pipe in time, slurries is avoided to flow backwards after slurries fill in hole, while detect the compression strength for repairing position
Until compression strength reaches standard.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. a kind of Rapid Patching Material for PCC Airfield, which is characterized in that according to weight include following ingredient:
100~200 parts of cement concrete, 50~90 parts of composite base-material, dry 100~140 parts of rubble, magnesium phosphate cement mixture
40~80 parts, 40~80 parts of polymer cement concrete, 10~20 parts of epoxy emulsified asphalt of dehydration, 8~18 parts of SBS modifier,
30~50 parts of sand aggregate, 8~16 parts of retarder, 15~25 parts of composite water-reducing agent, 8~16 parts of coagulant.
2. a kind of Rapid Patching Material for PCC Airfield according to claim 1, which is characterized in that the dehydration ring
Oxygen emulsified asphalt use mass ratio for after the Water-borne modification of 1:2:3 polyurethane-epoxy resin, emulsified asphalt and defoaming agent mixing and
At, and mixing temperature is 50~60 DEG C.
3. a kind of Rapid Patching Material for PCC Airfield according to claim 1, which is characterized in that the magnesium phosphate
Cement admixture preparation process are as follows:
Potassium dihydrogen phosphate and borax are respectively placed in the dry 10h of drying equipment, temperature is 55 DEG C；
By after drying potassium dihydrogen phosphate and borax respectively cross 150 μm of square hole screens and guarantee screen over-size be no more than 10%；
Treated potassium dihydrogen phosphate and borax is chosen respectively, is that 20~30min is mixed in 2:1 according to mass ratio.
4. a kind of preparation process of Rapid Patching Material for PCC Airfield, which comprises the steps of:
S100, dry rubble, sand aggregate are pre-processed, and fine grinding mixing is added composite water-reducing agent and obtains auxiliary initial material；
S200, composite base-material, magnesium phosphate cement mixture, cement concrete, polymer cement concrete, dehydration epoxy are emulsified
Pitch and retarder mix in proportion, and add water to be gradually classified stirring and obtain repairing initial material to thick；
S300, addition repairs in initial material and is mixed to get mixing initial material in auxiliary initial material, and it is modified to be separately added into SBS in proportion later
Agent, coagulant obtain repairing molding mass；
S400, pretreatment is punched to concrete road surface, molding mass pressurization injection will be repaired and complete road surface reparation.
5. a kind of preparation process of Rapid Patching Material for PCC Airfield according to claim 4, which is characterized in that
Pretreated detailed process in the step s 100:
S101, dry crushed stone material and sand aggregate are homogenized screening, and crushed stone material and sand of uniform size after screening
Aggregate, which is put into inside rotary kiln, is heated to 700~900 DEG C, heats 30~50min；
Dry crushed stone material and sand aggregate of uniform size after being homogenized in advance are chosen, is put into inside heating kiln and is heated to 700~900
DEG C, heat 30~50min；
S102, the material of heating is quickly cooled to 40~80 DEG C, and grinds to obtain particulate powder bottom material by grinder；
S103, above-mentioned powder bottom material is sifted out by the square hole screen that aperture is 150~180 μm, and screen over-size is no more than 5%, it is no
Then repeat the above steps；
S104, the powder bottom material sifted out is cooled to room temperature state and mixes addition composite water-reducing agent, be evenly stirred until without obvious
Accumulation obtains auxiliary initial material.
6. a kind of preparation process of Rapid Patching Material for PCC Airfield according to claim 4, which is characterized in that
Detailed process in the step S200 are as follows:
Composite base-material, cement concrete, polymer cement concrete are proportionally mixed and added water and stirred, until half thick
Obtain molding bottom material；
Magnesium phosphate cement mixture is added to stir evenly, ammonium hydroxide is added and adjusts PH to 8, obtains secondary bottom material；
Dehydration epoxy emulsified asphalt is continuously added later, gradually stir 3 times or more, each speed of agitator is stepped up, Zhi Houjia
Heat to 40~50 DEG C and be added retarder to it is thick obtain repair initial material.
7. a kind of preparation process of Rapid Patching Material for PCC Airfield according to claim 4, which is characterized in that
The detailed process of the step S300 are as follows:
A certain amount of auxiliary initial material is weighed into container, suitable quantity of water is added to mortar shape, and keep container internal temperature be 60~
70℃；
N is continually fed into container2To 10min or more, increases container air pressure inside and to 1MPa and keep current pressure；
Continue to be passed through nitrogen into said vesse, and is passed directly into inside mortar in the exit of nitrogen installation foam maker
It foams, persistently stirs at low speed during foaming so that nitrogen bubble is evenly distributed in mortar；
The reparation initial material of equivalent is rapidly joined in 20~30min being passed through after nitrogen gas foaming into container and stir 5~
10min until being thoroughly mixed to obtain premix, and is continually fed into nitrogen and foams；
After proportionally addition SBS modifier is sufficiently mixed into premix, the pressure reduced in container to normal pressure and is mixed
Stirring is closed until without obvious deposit；
Coagulant is added again and mixes, continues to be passed through N2Increase air pressure inside to 2MPa, heats evaporating water until water content drops
It obtains repairing molding mass after down to 40% or less.
8. a kind of preparation process of Rapid Patching Material for PCC Airfield according to claim 4, which is characterized in that
Detailed process in the step S400 are as follows:
It determines the case where section is repaired in face, suitable position of repairing is selected to carry out punching processing；
Current temperature and temperature and humidity conditions are detected, reparation molding mass obtained is repaired with the mechanical pressure injection of 0.3~0.4MPa
Among multiple gap；
Surface maintenance is carried out to the material of injection until compression strength reaches standard.
9. a kind of preparation process of Rapid Patching Material for PCC Airfield according to claim 8, which is characterized in that
The specific injection process of molding mass is repaired in the step S400 are as follows: molding mass is repaired from the injection of gap one end is repaired, when next
The slip casting work in next hole can be carried out after a hole grout, until the last one hole in same crack is completed slip casting and kept
3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207219.3A CN109133844A (en) | 2018-10-17 | 2018-10-17 | A kind of Rapid Patching Material for PCC Airfield and preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207219.3A CN109133844A (en) | 2018-10-17 | 2018-10-17 | A kind of Rapid Patching Material for PCC Airfield and preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109133844A true CN109133844A (en) | 2019-01-04 |
Family
ID=64812211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811207219.3A Pending CN109133844A (en) | 2018-10-17 | 2018-10-17 | A kind of Rapid Patching Material for PCC Airfield and preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109133844A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734370A (en) * | 2019-03-14 | 2019-05-10 | 招商局重庆交通科研设计院有限公司 | A kind of cement concrete repair materials and preparation method thereof |
| CN110080053A (en) * | 2019-04-23 | 2019-08-02 | 徐州工程学院 | A kind of overlay method extending airport composite runway pavement service life |
| CN114953174A (en) * | 2022-06-15 | 2022-08-30 | 中国路桥工程有限责任公司 | Preparation process and screening device of cement concrete pavement repairing material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145396A (en) * | 2013-02-26 | 2013-06-12 | 上海建为建筑修缮工程有限公司 | Multifunctional quick repair material for cement concrete pavements and preparation method thereof |
| CN103570334A (en) * | 2013-09-13 | 2014-02-12 | 长沙理工大学 | Quick cold-patch repair method for asphalt pavement, and application thereof |
| CN104499395A (en) * | 2014-12-30 | 2015-04-08 | 南通福伦利新材料有限公司 | Quick repairing method of old cement concrete pavement |
-
2018
- 2018-10-17 CN CN201811207219.3A patent/CN109133844A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145396A (en) * | 2013-02-26 | 2013-06-12 | 上海建为建筑修缮工程有限公司 | Multifunctional quick repair material for cement concrete pavements and preparation method thereof |
| CN103570334A (en) * | 2013-09-13 | 2014-02-12 | 长沙理工大学 | Quick cold-patch repair method for asphalt pavement, and application thereof |
| CN104499395A (en) * | 2014-12-30 | 2015-04-08 | 南通福伦利新材料有限公司 | Quick repairing method of old cement concrete pavement |
Non-Patent Citations (6)
| Title |
|---|
| 叶建雄: "《建筑材料基础实验》", 30 November 2016, 中国建材工业出版社 * |
| 周洪燕: "《土木工程材料》", 31 August 2018, 北京理工大学出版社 * |
| 张德明等: "水泥混凝土路面快速修补材料综述", 《公路交通科技 应用技术版》 * |
| 沈春林: "《预拌砂浆的生产与施工》", 31 August 2015, 中国建材工业出版社 * |
| 胡安宇等: "环氧乳化沥青砂浆灌浆材料的研究", 《浙江交通职业技术学院学报》 * |
| 陆秉权等: "《水泥预分解窖生产线培训教材》", 31 August 2009, 中国建材工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734370A (en) * | 2019-03-14 | 2019-05-10 | 招商局重庆交通科研设计院有限公司 | A kind of cement concrete repair materials and preparation method thereof |
| CN110080053A (en) * | 2019-04-23 | 2019-08-02 | 徐州工程学院 | A kind of overlay method extending airport composite runway pavement service life |
| CN114953174A (en) * | 2022-06-15 | 2022-08-30 | 中国路桥工程有限责任公司 | Preparation process and screening device of cement concrete pavement repairing material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8067487B2 (en) | Method of making and use of a heavy duty pavement structure | |
| CN107915427A (en) | A kind of half-flexible pavement material and pavement construction engineering method | |
| CN104402339A (en) | Pervious concrete and construction method thereof | |
| CN103866667A (en) | Semi-flexible heavy-load pavement paving structure | |
| CN106759126B (en) | Construction method of side slope support drainage channel | |
| CN109133844A (en) | A kind of Rapid Patching Material for PCC Airfield and preparation process | |
| CN101439953A (en) | Agglomerated rock pavior brick with pervious function and preparation thereof | |
| JP2013234489A (en) | Method for repairing concrete slab-asphalt pavement road surface and polymer cement mortar | |
| CN103570334A (en) | Quick cold-patch repair method for asphalt pavement, and application thereof | |
| CN106587835A (en) | Cold-mixed cement-emulsified asphalt concrete and pavement method thereof | |
| CN110482945A (en) | A kind of Machine-made Sand regeneration concrete and preparation method thereof for high speed base course | |
| CN115831280A (en) | Quantitative design method for mix proportion of machine-made sand self-compacting concrete | |
| CN105887801A (en) | Method for improving expansive soil foundation by combining phosphogypsum and waste tire rubber powder | |
| CN101672037A (en) | Bayer process red mud solidified damming and piling method | |
| JP2002511381A (en) | Chemicals to improve the engineering properties of soil | |
| CN117105546B (en) | Metal-rich cement additive and application thereof in improving concrete performance by using reinforcing steel bars | |
| JP5881142B2 (en) | Cement composition manufacturing method, soil cement manufacturing method using the cement composition, ground improvement method | |
| CN112031458A (en) | Concrete structure repairing construction method | |
| CN104712088A (en) | Construction method for post-poured concrete of prefabricated composite floor slabs | |
| CN108191309A (en) | A kind of improved foundation silt and the method using its progress roadbed filling | |
| CN102775111A (en) | Roofing rigid waterproof layer construction material and construction method | |
| CN106365542A (en) | Sulfate-resistant concrete and construction method thereof | |
| CN108585668A (en) | Creepage concrete construction technology | |
| Mathur et al. | Lime/cement stabilisation for soil and granular materials | |
| CN115893936B (en) | Pouring type large-thickness water-stabilized macadam base layer and paving method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |