CN107759166A - Half-flexible pavement material and can quick open to traffic half-flexible pavement paving method - Google Patents
Half-flexible pavement material and can quick open to traffic half-flexible pavement paving method Download PDFInfo
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- CN107759166A CN107759166A CN201710974865.1A CN201710974865A CN107759166A CN 107759166 A CN107759166 A CN 107759166A CN 201710974865 A CN201710974865 A CN 201710974865A CN 107759166 A CN107759166 A CN 107759166A
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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
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
-
- 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of half-flexible pavement material and can quick open to traffic half-flexible pavement paving method, wherein half-flexible pavement material includes porous compound and the strength cement-based grouting material being filled in porous compound hole；The porous compound includes 4~8 parts of bisphenol A type epoxy resins, 3~6 parts of absolute ethyl alcohols, 3~6 parts of ethylene glycol monobutyl ethers, 5~10 parts of polyhydric alcohol amines, 10~15 parts of flexible latex, 65~75 parts of coarse aggregates, 15~20 parts of fine aggregates and 35~40 parts of miberal powders according to mass parts；The strength cement-based grouting material includes 35~45 parts of Portland fly ash cements, 15~20 parts of ground slag powders, 1~5 part of early strength agent, 1~3 part of waste rubber tyre powder, 10~15 parts of water reducers, 1~5 part of economization agent, 0.5~3 part of accelerator, 3~6 parts of defoamers and 20~25 parts of water according to mass parts.Energy-conserving and environment-protective of the present invention, excellent performance, cost is relatively low, can quickly come into operation, construction technology is easy and is easy to practical operation.
Description
Technical field
The present invention relates to pavement of road technical field, and in particular to a kind of half-flexible pavement material and can quick open to traffic
Half-flexible pavement paving method.
Background technology
The existing pavement of road in China is basically divided into cement concrete pavement and asphalt concrete pavement.Cement concrete
Road surface bearing capacity is good, but pliability is poor, easily occurs the diseases such as plate cracking, purt mud in the presence of temperature stress so that
Cement concrete pavement must be provided with seam, therefore can not only influence the comfortableness of driving, and surface water can slip into roadbed, make
Roadbed softens, and bearing capacity dies down.And asphalt concrete pavement is flexible, seamless, but passing through one or several high temperature seasons
Afterwards, deeper rut occurs in asphalt concrete pavement, has a strong impact on traffic safety and comfortableness.To overcome above two traditional
The shortcomings that road surface, research generate the half-flexible pavement of good non-deformability.Half-flexible pavement refers in the big space of open gradation
A kind of composite pavement that the high special cement slurry of good fluidity, intensity is irrigated in the matrix asphalt of rate and is formed.
Half-flexible pavement has the rigidity of cement concrete and the flexibility of bituminous concrete concurrently, and it is not required to set seam, has high-mechanic energy
Power, the problems such as can solve the problem that pavement track.
But in existing research, there is also many problems for half-flexible pavement：Consumed during such as hot-mix asphalt mixture big
The energy and pollution environment of amount；Matrix asphalt needs after longer setting time, cement slurry perfusion are needed after preparing
Longer conditioned time so that urban road is using preceding having the longer close traffic time；In addition, in China's volume of traffic and friendship
Axis is carried under increasingly increased background, and also the resistance to compression to half-flexible pavement and shear behavior propose higher requirement.Therefore, urgently
To be modified or the more preferable half-flexible pavement material of exploitation and its half-flexible pavement.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of construction technology simplicity, energy-conserving and environment-protective, cost be low, high-performance,
The half-flexible pavement material that can quickly come into operation and can quick open to traffic half-flexible pavement paving method.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
Design a kind of half-flexible pavement material, including porous compound and make for being filled in coordinate in the porous compound hole
Strength cement-based grouting material；The porous compound according to mass parts include 4~8 parts of bisphenol A type epoxy resins, 3~6 parts it is anhydrous
Ethanol, 3~6 parts of ethylene glycol monobutyl ethers, 5~10 parts of polyhydric alcohol amines, 10~15 parts of flexible latex, 65~75 parts of coarse aggregates, 15~
20 parts of fine aggregates and 35~40 parts of miberal powders；The strength cement-based grouting material includes 35~45 parts of fly ash silicate water according to mass parts
Mud, 15~20 parts of ground slag powders, 1~5 part of early strength agent, 1~3 part of waste rubber tyre powder, 10~15 parts of water reducers, 1~5 part of decrement
Agent, 0.5~3 part of accelerator, 3~6 parts of defoamers and 20~25 parts of water.
Preferably, the polyhydric alcohol amine is diethanol amine.
Preferably, the flexible latex is the SBR styrene-butadiene latexes that solid content is 55~65%.
Preferably, the simple grain level rubble that the coarse aggregate is crush values≤20%, particle diameter is 5~13mm, the fine aggregate
The river sand for being 1.3~2.1 for clay content≤3%, modulus of fineness or mountain sand.
Preferably, the ground slag powder is S95 or S105 level blast furnace slag powder.
Preferably, the early strength agent is sodium chloride, calcium chloride, anhydrous sodium sulfate, calcium sulfate, sodium nitrate, natrium nitrosum, three
At least one of monoethanolamine, formic acid, ethylene glycol.
Preferably, the water reducer is that naphthalene series high-efficiency water-reducing agent, sulfamate high-effective water-reducing agent, poly-carboxylic high-performance subtract
At least one of aqua；The water reducer is pulvis.
Preferably, the accelerator is in carbonic acid class inorganic salts, acetic acid class inorganic salts, sulfuric acid inorganic salts, nitrite
At least one.
Preferably, the defoamer be nonionic surfactant, organic silicon defoamer, in polymer defoamer at least
It is a kind of.
It is a kind of can quick open to traffic half-flexible pavement paving method, comprise the following steps：
1）It is prepared by porous compound
After the raw material proportioning material of porous compound as described in claim 1, first by bisphenol A type epoxy resin, absolute ethyl alcohol, second
Glycol monobutyl ether, polyhydric alcohol amine and water are mixed；Organic acid is then slowly added into neutralize into salt, be diluted to solid content for 50~
60%, obtain modified epoxy；Flexible latex is added into modified epoxy again, stirring, will to uniform mixed liquor is formed
The mixed liquor is added in the coarse aggregate and fine aggregate in agitated kettle, is stirred；Finally add miberal powder and carry out secondary mix
It is bonded to uniformly, produces porous compound；
2）It is prepared by strength cement-based grouting material
After the raw material proportioning material of strength cement-based grouting material as described in claim 1, be included into respectively with feed states powder component and
Liquid component, first powder component is put into mix pot and stirred, be added followed by the liquid component and carry out high-speed stirring
After mixing, strength cement-based grouting material is produced；
3）Half-flexible pavement is laid
Take step 1）The porous compound of gained carries out making, and placement thickness is 5~12cm basic unit, and porous mixing is controlled in making
The porosity of material is 20~35%, stand-by after maintenance；
Again with step 2）Gained strength cement-based grouting material pours the basic unit, uses hairbrush scraper surface laitance after being in the milk full, makes
Surface appearance dew stone structure, 1~2h of maintenance.
Compared with prior art, advantageous effects of the invention are：
1. the porous compound used can at normal temperatures be mixed and stirred, is molded, follow-up grouting procedure is also carried out at normal temperatures, has section
Can be environmentally friendly the characteristics of.
2. waste rubber tyre powder used in strength cement-based grouting material from the fine powder of junked tire grinding after broken, there is change to give up into
The characteristics of precious, meet the theory of green ecological, the material cost used in strength cement-based grouting material is relatively low.
3. the bisphenol A type epoxy resin used can be realized in 1~2h is formed by curing intensity and good porous mixed of cementitiousness
Material is closed, can be open to traffic with 1~2h of maintenance after the flexible pavement grouting of its laying, realization is quickly come into operation.
4. the compressive property and shear behavior of half-flexible pavement material of the present invention are excellent.
It is used in combination 5. thickness of the present invention is gathered materials, makes full use of the filling of fine aggregate, cementation and avoid particle
Interference, by embedded squeezing principle and filling principle perform to it is best, so as to improve the performance of material.
6. construction technology of the present invention is easy, it is easy to practical operation.
Embodiment
Illustrate the embodiment of the present invention with reference to embodiment, but following examples are used only to describe in detail
The present invention, the scope not limiting the invention in any way.
Involved instrument and equipment is routine instrument device unless otherwise instructed in the examples below；Involved
Raw material is commercially available convenient source unless otherwise instructed；Involved method of testing is conventional method unless otherwise instructed.
Embodiment 1：A kind of half-flexible pavement material, including porous compound and for being filled in the porous compound hole
In the strength cement-based grouting material that is used cooperatively；The porous compound includes 4 parts of bisphenol A type epoxy resins, 3 parts of nothings according to mass parts
Water-ethanol, 3 parts of ethylene glycol monobutyl ethers, 5 parts of diethanol amine, 10 parts of SBR styrene-butadiene latexes, 65 parts of coarse aggregates, 15 parts of fine aggregates and 35
Part miberal powder；The strength cement-based grouting material includes 35 parts of Portland fly ash cements, 15 parts of S95 level water quenching Blast Furnace Ores according to mass parts
Ground-slag, 1 part of sodium chloride, 1 part of waste rubber tyre powder, 10 parts of naphthalene series high-efficiency water-reducing agents, 1 part of polyethers economization agent, 0.5 part of carbonic acid class are inorganic
Salt, 3 portions of nonionic surfactants and 20 parts of water.
It is a kind of can quick open to traffic half-flexible pavement paving method：
1）It is prepared by porous compound
4 parts of bisphenol A type epoxy resins, 3 parts of absolute ethyl alcohols, 3 parts of ethylene glycol monobutyl ethers, 5 parts of diethanol amine and water are mixed,
It is then slowly added into organic acid to neutralize into salt, it is 50~60% to be diluted to solid content, obtains modified epoxy；Then to modification
10 parts of SBR styrene-butadiene latexes are added in epoxy resin to stir to uniform mixed liquor is formed, and the mixed liquor is added to agitated kettle
Stirred in interior 65 parts of coarse aggregates and 15 parts of fine aggregates, finally add 35 parts of miberal powders and carry out secondary mixs to uniform, i.e.,
Obtain porous compound；
2）It is prepared by strength cement-based grouting material
It is separated after each component material is weighed by mass percentage：35 parts of Portland fly ash cement, S95 level water quenching blast furnaces
15 parts of slag powders, 1 part of sodium chloride, 1 part of waste rubber tyre powder, 10 parts of naphthalene series high-efficiency water-reducing agent, 1 part of polyethers economization agent, carbonic acid class are inorganic
20 parts of 0.5 part of salt, 3 parts of nonionic surfactant and water；Then powder component in the component is put into mix pot and stirred
Uniformly, then add liquid component in the component into the mix pot and carry out high-speed stirred, that is, cement-based grout is made
Material；
3）Half-flexible pavement is laid
Take step 1）The porous compound of gained carries out making, and placement thickness is 5cm basic unit, and porous mix hole is controlled in making
Gap rate is 20%, stand-by after maintenance；
Again with step 2）The gained strength cement-based grouting material of preparation pours the basic unit and enters step 1）In the good porous compound of making,
Hairbrush scraper surface laitance is used after being in the milk full, surface dew stone structure is occurred, 1~2h of maintenance can be open to traffic.
Embodiment 2：A kind of half-flexible pavement material, including porous compound and for being filled in the porous compound hole
In the strength cement-based grouting material that is used cooperatively；The porous compound includes 8 parts of bisphenol A type epoxy resins, 6 parts of nothings according to mass parts
Water-ethanol, 6 parts of ethylene glycol monobutyl ethers, 10 parts of diethanol amine, 15 parts of SBR styrene-butadiene latexes, 75 coarse aggregates, 20 parts of fine aggregates and 40 parts
Miberal powder；The strength cement-based grouting material includes 45 parts of Portland fly ash cements, 20 parts of S105 level water quenching Blast Furnace Ores according to mass parts
Ground-slag, 5 parts of calcium chloride, 3 parts of waste rubber tyre powders, 15 parts of sulfamate high-effective water-reducing agents, 5 parts of polyethers economization agents, 3 parts of acetic acid classes without
Machine salt, 6 parts of polymer defoamers and 25 parts of water.
It is a kind of can quick open to traffic half-flexible pavement paving method：
1）It is prepared by porous compound
8 parts of bisphenol A type epoxy resins, 6 parts of absolute ethyl alcohols, 6 parts of ethylene glycol monobutyl ethers, 10 parts of diethanol amine and water are mixed
Close, be then slowly added into organic acid and neutralize into salt, it is 50~60% to be diluted to solid content, obtains modified epoxy；Then to changing
Property epoxy resin in add 15 parts of SBR styrene-butadiene latexes stir to uniform mixed liquor is formed, the mixed liquor is added to stirring
Stirred in 75 parts of coarse aggregates and 20 parts of fine aggregates in pot, finally add 35 parts of miberal powders and carry out secondary mixs to uniform,
Produce porous compound；
2）It is prepared by strength cement-based grouting material
It is separated after each component material is weighed by mass percentage：45 parts of Portland fly ash cement, the water quenching of S105 levels are high
20 parts of stove slag powders, 5 parts of calcium chloride, 3 parts of waste rubber tyre powder, 15 parts of sulfamate high-effective water-reducing agent, 5 parts of polyethers economization agent, second
25 parts of 3 parts of acids inorganic salts, 6 parts of polymer defoamer and water；Then powder component in the component is put into mix pot and stirred
Mix uniformly, liquid component in the component is then added into the mix pot and carries out high-speed stirred, that is, cement base is made and fills
Slurry；
3）Half-flexible pavement is laid
Take step 1）The porous compound of gained carries out making, and placement thickness is 12cm basic unit, and porous compound is controlled in making
Porosity is 35%, stand-by after maintenance；
Again with step 2）The gained strength cement-based grouting material of preparation pours the basic unit and enters step 1）In the good porous compound of making,
Hairbrush scraper surface laitance is used after being in the milk full, surface dew stone structure is occurred, 1~2h of maintenance can be open to traffic.
Embodiment 3：A kind of half-flexible pavement material, including porous compound and for being filled in the porous compound hole
In the strength cement-based grouting material that is used cooperatively；The porous compound according to mass parts include 5 parts of bisphenol A type epoxy resins, 4.5 parts
Absolute ethyl alcohol, 4.5 parts of ethylene glycol monobutyl ethers, 8 parts of diethanol amine, 13 parts of SBR styrene-butadiene latexes, 70 parts of coarse aggregates, 18 parts of fine aggregates
With 38 parts of miberal powders；The strength cement-based grouting material includes 40 parts of Portland fly ash cements, 17 parts of S95 levels water quenchings height according to mass parts
Stove slag powders, 3 parts of sodium nitrate, 2 parts of waste rubber tyre powders, 13 parts of high performance water reducing agent of polyocarboxy acid, 3 parts of polyethers economization agents, 1.5 parts of second
Acids inorganic salts, 4.5 parts of organic silicon defoamers and 23 parts of water.
It is a kind of can quick open to traffic half-flexible pavement paving method：
1）It is prepared by porous compound
5 parts of bisphenol A type epoxy resins, 4.5 parts of absolute ethyl alcohols, 4.5 parts of ethylene glycol monobutyl ethers, 8 parts of diethanol amine and water are carried out
Mixing, it is then slowly added into organic acid and neutralizes into salt, it is 50~60% to be diluted to solid content, obtains modified epoxy；Then to
13 parts of SBR styrene-butadiene latexes are added in modified epoxy to stir to uniform mixed liquor is formed, and the mixed liquor is added to and stirred
Stirred in mixing in 70 in pot parts of coarse aggregates and 18 parts of fine aggregates, finally add 38 parts of miberal powders and carry out secondary mixs to equal
It is even, produce porous compound；
2）It is prepared by strength cement-based grouting material
It is separated after each component material is weighed by mass percentage：40 parts, 17 parts S95 level water quenchings of Portland fly ash cement
Ground granulated blast furnace slag, 3 parts of sodium nitrate, 2 parts of waste rubber tyre powders, 13 parts of high performance water reducing agent of polyocarboxy acid, 3 parts of polyethers economization agents, 1.5 parts
Acetic acid class inorganic salts, 4.5 parts of organic silicon defoamers and 23 parts of water；Then powder component in the component is put into mix pot and stirred
Mix uniformly, liquid component in the component is then added into the mix pot and carries out high-speed stirred, that is, cement base is made and fills
Slurry；
3）Half-flexible pavement is laid
Take step 1）The porous compound of gained carries out making, and placement thickness is 9cm basic unit, and porous mix hole is controlled in making
Gap rate is 28%, stand-by after maintenance；
Again with step 2）The gained strength cement-based grouting material of preparation pours the basic unit and enters step 1）In the good porous compound of making,
Hairbrush scraper surface laitance is used after being in the milk full, surface dew stone structure is occurred, 1~2h of maintenance can be open to traffic.
In order to verify the action effect of the present invention, half-flexible pavement material of the present invention and 3 comparative examples are resisted respectively
Compressive Strength is tested and compression rebound modulu experiment.Experiment using rotary compactor shaping cylinder test specimen, after grouting maintenance 28d
Core boring sampling, experimental temperature are 17 DEG C, loading speed 3mm/min.Test result is as shown in table 1 below：
The compressive property comparing result of table 1
Meanwhile shear strength test is carried out respectively to half-flexible pavement material of the present invention and 3 comparative examples.Experiment tries in MTS810
Test on machine and carry out, experimental temperature：65 DEG C, loading speed 1mm/min.Test result is as shown in table 2 below：
The shearing strength comparing result of table 2
As can be seen from the table, compression strength, compression rebound modulu and the shearing resistance of half-flexible pavement material prepared by the present invention
Intensity is substantially better than the performance of comparative example.
Above example is described in detail to the present invention, still, person of ordinary skill in the field it is understood that
On the premise of present inventive concept is not departed from, each design parameter in above-described embodiment can also be changed, be formed more
Individual specific embodiment, it is the common excursion of the present invention, is no longer described in detail one by one herein.
Claims (9)
1. a kind of half-flexible pavement material, including porous compound and for filling what is be used cooperatively in the porous compound hole
Strength cement-based grouting material；Characterized in that,
In terms of mass parts, the porous compound include 4~8 parts of bisphenol A type epoxy resins, 3~6 parts of absolute ethyl alcohols, 3~6 parts
Ethylene glycol monobutyl ether, 5~10 parts of polyhydric alcohol amines, 10~15 parts of flexible latex, 65~75 parts of coarse aggregates, 15~20 parts of fine aggregates and
35~40 parts of miberal powders；The simple grain level rubble that the coarse aggregate is crush values≤20%, particle diameter is 5~13mm；The fine aggregate is
Clay content≤3%, the river sand that modulus of fineness is 1.3~2.1 or mountain sand；
The strength cement-based grouting material includes 35~45 parts of Portland fly ash cements, 15~20 parts of ground slag powders, 1~5 part of morning
Strong agent, 1~3 part of waste rubber tyre powder, 10~15 parts of water reducers, 1~5 part of economization agent, 0.5~3 part of accelerator, 3~6 parts of defoamers and
20~25 parts of water.
2. half-flexible pavement material according to claim 1, it is characterised in that the polyhydric alcohol amine is diethanol amine.
3. half-flexible pavement material according to claim 1, it is characterised in that the flexible latex be solid content be 55~
65% SBR styrene-butadiene latexes.
4. half-flexible pavement material according to claim 1, it is characterised in that the ground slag powder is S95 or S105
Level blast furnace slag powder.
5. half-flexible pavement material according to claim 1, it is characterised in that the early strength agent is sodium chloride, calcium chloride, nothing
At least one of aqueous sodium persulfate, calcium sulfate, sodium nitrate, natrium nitrosum, triethanolamine, formic acid, ethylene glycol.
6. half-flexible pavement material according to claim 1, it is characterised in that the water reducer be naphthalene series high-efficiency water-reducing agent,
At least one of sulfamate high-effective water-reducing agent, high performance water reducing agent of polyocarboxy acid；The water reducer is pulvis.
7. half-flexible pavement material according to claim 1, it is characterised in that the accelerator is carbonic acid class inorganic salts, second
At least one of acids inorganic salts, sulfuric acid inorganic salts, nitrite.
8. half-flexible pavement material according to claim 1, it is characterised in that the defoamer is non-ionic surface active
At least one of agent, organic silicon defoamer, polymer defoamer.
9. it is a kind of can quick open to traffic half-flexible pavement paving method, it is characterised in that comprise the following steps：
1）It is prepared by porous compound
After the raw material proportioning material of porous compound as described in claim 1, first by bisphenol A type epoxy resin, absolute ethyl alcohol, second
Glycol monobutyl ether, polyhydric alcohol amine and water are mixed；Organic acid is then slowly added into neutralize into salt, be diluted to solid content for 50~
60%, obtain modified epoxy；Flexible latex is added into modified epoxy again, stirring, will to uniform mixed liquor is formed
The mixed liquor is added in the coarse aggregate and fine aggregate in agitated kettle, is stirred；Finally add miberal powder and carry out secondary mix
It is bonded to uniformly, produces porous compound；
2）It is prepared by strength cement-based grouting material
After the raw material proportioning material of strength cement-based grouting material as described in claim 1, be included into respectively with feed states powder component and
Liquid component, first powder component is put into mix pot and stirred, be added followed by the liquid component and carry out high-speed stirring
After mixing, strength cement-based grouting material is produced；
3）Half-flexible pavement is laid
Take step 1）The porous compound of gained carries out making, and placement thickness is 5~12cm basic unit, and porous mixing is controlled in making
The porosity of material is 20~35%, stand-by after maintenance；
Again with step 2）Gained strength cement-based grouting material pours the basic unit, uses hairbrush scraper surface laitance after being in the milk full, makes
Surface appearance dew stone structure, 1~2h of maintenance.
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Cited By (3)
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| CN108546008A (en) * | 2018-04-26 | 2018-09-18 | 山西省交通科学研究院 | A kind of epoxy resin/cement mortar composite concrete material and preparation method thereof |
| CN112062510A (en) * | 2020-09-17 | 2020-12-11 | 张浩燃 | Semi-flexible composite concrete material |
| CN114716180A (en) * | 2022-05-17 | 2022-07-08 | 无锡市政建设集团有限公司 | High-performance colored semi-flexible pavement material for urban heavy-duty roads |
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