CN106587842A - Semi-flexible pavement material, preparation method therefor and semi-flexible pavement - Google Patents
Semi-flexible pavement material, preparation method therefor and semi-flexible pavement Download PDFInfo
- Publication number
- CN106587842A CN106587842A CN201611167125.9A CN201611167125A CN106587842A CN 106587842 A CN106587842 A CN 106587842A CN 201611167125 A CN201611167125 A CN 201611167125A CN 106587842 A CN106587842 A CN 106587842A
- Authority
- CN
- China
- Prior art keywords
- parts
- cement
- asphalt
- flexible pavement
- pavement material
- 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
- C04B28/02—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
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
- E01C7/262—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with fibrous material, e.g. asbestos; with animal or vegetal admixtures, e.g. leather, cork
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a semi-flexible pavement material, a preparation method therefor and a semi-flexible pavement. The semi-flexible pavement material is prepared from the raw materials, i.e., a cement grouting material and an asphalt mixture in parts by mass, wherein the cement grouting material contains 15-20 parts of cement, 8-10 parts of emulsified asphalt, 0.03-0.06 part of water reducing agent, 0.06-0.2 part of polypropylene fibers, 10-15 parts of mineral powder, 30-35 parts of sand, 8-10 parts of fly ash, 0.06-0.12 part of expanding agent and 0.03-0.06 part of interface modifier. According to the semi-flexible pavement material disclosed by the invention, the cement grouting material is added with the emulsified asphalt, the fly ash, the polypropylene fibers, the mineral powder, the water reducing agent, the expanding agent and the interface modifier which are mutually compounded and are in synergism, so that the cement grouting material can be easily subjected to dry shrinkage, the condition that the interfacial adhesion performance of cement-asphalt concrete is poor is improved, and thus, the crack resistance is improved. In addition, asphalt of the asphalt mixture is rubber asphalt, so that the crack resistance and adhesion property of the asphalt mixture are improved.
Description
Technical field
The present invention relates to the technical field of pavement construction material, in particular to half-flexible pavement material and its preparation
Method, half-flexible pavement.
Background technology
Half-flexible pavement as a kind of new pavement structure, because it combines the rigidity of concrete base material and pitch matrix
The viscoelasticity of material, reaches the effect coupled hardness with softness, and by the mutual embedded squeezing effect between aggregate and cement material is collectively forming
Intensity, improves the ability that load action is resisted on road surface, meanwhile, its high temperature stability performance, anti-water damage property are significantly better than general
Logical asphalt concrete pavement, its anti-shear performance, anti-fatigue performance and antiskid anti-wear performance are also better than asphalt concrete
Road surface, because of its excellent pavement performance, is more and more applied in Supporting Load Pavement.
In prior art, although after cement mortar grouting, road surface rutting resistance strengthens asphalt concrete pavement, carries
The high total bearing capacity on road surface, but this type half-flexible pavement there is also certain defect, the material between pitch and cement
Material performance difference so that the mechanical property matching that there is cement-based grouting material and asphalt is poor, warming sex differernce greatly,
The technical problem of surface and interface adhesive property difference, therefore bring the defects such as grouting material drying shrinkage temperature shrinkage is big, road surface is easy to crack.
The content of the invention
In view of this, one aspect of the present invention is to provide a kind of half-flexible pavement material, and the half-flexible pavement material has
Preferable crack resistance.
A kind of half-flexible pavement material, its raw material is according to mass parts comprising cement grout material and asphalt, the water
Mud grouting material according to mass parts comprising 15～20 parts of cement, 8～10 parts of emulsified asphalts, 0.03～0.06 part of water reducer, 0.06～
0.2 part of polypropylene fibre, 10～15 parts of breezes, 30～35 parts of sand, 8～10 parts of flyash, 0.06～0.12 part of swelling agent and
0.03～0.06 part of interface modifier.
Further, the emulsified asphalt is selected from type rubber latex modified emulsified asphalt, SBR emulsified asphalts, anion-modified
One kind in emulsified asphalt or any two more than, preferably SBR emulsified asphalts；
Preferably, the one kind of the water reducer in naphthalene water reducer, aminosulfonic water-reducing agent, polycarboxylate water-reducer
Or more than any two, preferably polycarboxylate water-reducer；
Preferably, one kind in UEA type swelling agents, HEA type swelling agents, the calcium sulphoaluminate CSA types of the swelling agent or
More than any two, preferably UEA types swelling agent；
Preferably, the interface modifier is silane coupler and/or silane-modified styrene-acrylic emulsion；
Preferably, the cement is PO42.5 portland cements.
Further, cement grout material also includes 10～15 parts of water according to mass parts.
Further, its raw material includes 15～30wt% cement grouts material and 70～85wt% asphalts, former with it
The gross mass of material is 100wt% meters.
Further, the pitch of the asphalt is rubber modified asphalt.
Further, the voidage of the pitch of the asphalt is 20～25%.
Further, the bitumen aggregate ratio of the asphalt is 4.1～4.3%.
Another aspect of the present invention is to provide a kind of preparation method of half-flexible pavement material, obtained by the preparation method
The crack resistance of half-flexible pavement material is preferable.
A kind of preparation method of half-flexible pavement material, comprises the following steps：
Mixing according to mass parts comprising 15～20 parts of cement, 8～10 parts of emulsified asphalts, 0.03～0.06 part of water reducer,
0.06～0.2 part of polypropylene fibre, 10～15 parts of breezes, 30～35 parts of sand, 8～10 parts of flyash, 0.06～0.12 part of expansion
Agent and 0.03～0.06 part of interface modifier, to obtain cement slurry；
And offer asphalt.
Further, mix in the way of the mixing for obtaining cement slurry as mechanical agitation, described churned mechanically 20～
40s。
A kind of half-flexible pavement, by as made by above-mentioned half-flexible pavement material.
The half-flexible pavement material of the present invention, cement grout material is added with emulsified asphalt, flyash, polypropylene fibre, ore deposit
Powder, water reducer, swelling agent, interface modifier, these mutually compound collaboration, can cause the easy drying shrinkage of cement grout material, cement pitch
The problem of concrete interface adhesive property difference, so as to improve cracking resistance.Additionally, the pitch of asphalt is dripped using rubber
Green grass or young crops, improves the cracking resistance and caking property of asphalt.
Specific embodiment
For the ease of understanding the present invention, embodiment is closed below to further illustrate technical scheme.
Term as used herein：
" mass parts " refer to the basic measurement unit of the mass ratio relation for representing multiple components, and 1 part can represent arbitrary list
Position quality, can such as be expressed as 1g, may also indicate that 2.689g etc..If we say component A mass parts be a parts, the matter of B component
Amount part is b parts, then it represents that the quality of component A and mass ratio a of B component：b.Or, represent component A quality be aK, B groups
The quality divided is bK (K is Arbitrary Digit, represents multiplying factor).Can not misread, and unlike mass fraction, all components
Mass parts sum be not limited to 100 parts of restriction.
" one ", " one kind " and " described " are used interchangeably and refer to one or more.
"and/or" is used to represent that one of illustrated situation or both may to occur, and for example, A and/or B includes (A
And B) and (A or B)；
In addition, the scope stated by end points herein includes all numerical value (for example, 1 to 10 bag included in the range of this
Include 1.4,1.9,2.33,5.75,9.98 etc.).
In addition, the statement of " at least one " herein include one and the above all numbers (for example, at least 2, at least
4, at least 6, at least 8, at least 10, at least 25, at least 50, at least 100 etc.).
The half-flexible pavement material of the present invention, its raw material is according to mass parts comprising cement grout material and asphalt, institute
State cement grout material according to mass parts comprising 15～20 parts of cement, 8～10 parts of emulsified asphalts, 0.03～0.06 part of water reducer,
0.06～0.2 part of polypropylene fibre, 10～15 parts of breezes, 30～35 parts of sand, 8～10 parts of flyash, 0.06～0.12 part of expansion
Agent and 0.03～0.06 part of interface modifier.
For example, in cement grout material, the mass parts of cement can for 15 parts, 15.5 parts, 16 parts, 17.5 parts, 18 parts, 19
Part, 19.5 parts or 20 parts etc.；The mass parts of emulsified asphalt can be 8 parts, 8.5 parts, 9 parts, 9.5 parts or 10 parts etc.；Water reducer
Mass parts can be 0.03 part, 0.035 part, 0.04 part, 0.045 part, 0.05 part, 0.055 part or 0.06 part etc.；Polypropylene fibre
Mass parts can for 0.06 part, 0.065 part, 0.07 part, 0.075 part, 0.08 part, 0.10 part, 0.13 part, 0.15 part, 0.18
Part, 0.19 part, 0.195 part or 0.2 part etc.；The mass parts of breeze can for 10 parts, 10.5 parts, 11 parts, 12.5 parts, 13 parts, 14
Part, 14.5 parts or 15 parts etc.；The mass parts of sand can for 30 parts, 30.5 parts, 32 parts, 32.5 parts, 33 parts, 34 parts, 34.5 parts or
35 parts etc.；The mass parts of flyash can be 8 parts, 8.5 parts, 9 parts, 9.5 parts or 10 parts etc.；The mass parts of swelling agent can be
0.06 part, 0.065 part, 0.07 part, 0.08 part, 0.10 part, 0.11 part or 0.12 part etc.；The mass parts of interface modifier can be
0.03 part, 0.035 part, 0.04 part, 0.045 part, 0.05 part, 0.055 part or 0.06 part etc..
The effect of above-mentioned polypropylene fibre is the mobility for improving cement mortar, and the intensity of reinforced cement mortar is improved
The impermeability of concrete, after mixing fiber, can effectively prevent the segregation phenomenon of cement concrete, reduce the fragility of cement mortar,
Improve the toughness of cement matrix.Can make conventional selection according to actual as the fibre length of polypropylene fibre.
Above-mentioned water reducer reduces water consumption, increases the mobility of cement mortar.Water reducer can include naphthalene water reducer, ammonia
One kind in base sulfonic acid based water reducer, polycarboxylate water-reducer or any two more than, preferably polycarboxylate water-reducer.
The effect of above-mentioned interface modifier is to improve the interface binding intensity of cement mortar and asphalt.Interface changes
Property agent can include the instantiation such as silane coupler and/or silane-modified styrene-acrylic emulsion.
The effect of above-mentioned swelling agent is to compensate its contraction distortion to improve Mortar shrinkage using the dilatancy under constraint
Characteristic.Swelling agent can include the one kind in UEA type swelling agents, HEA type swelling agents, calcium sulphoaluminate CSA types or any two with
On instantiation, preferably UEA types swelling agent.
Used as one of major ingredient, above-mentioned emulsified asphalt is bonded with remarkable effect to raising cement mortar, improves material
Impermeability, reduces water absorption rate, and backfin ratio can be greatly lowered, and improves the shrinkage character of cement mortar, so as to improve semi-flexible
The shrinkage on road surface, improves the cracking resistance of half-flexible pavement.
Above-mentioned emulsified asphalt can include type rubber latex modified emulsified asphalt, SBR emulsified asphalts, anion-modified emulsification drip
One kind in green grass or young crops or any two more than, preferably SBR emulsified asphalts.Herein, SBR emulsified asphalts are with SBR latexes (i.e. butylbenzene
Latex) it is modifying agent, mixed by emulsification and be fitted on modified pitch resulting in pitch.
Major ingredient one of of the above-mentioned cement as cement grout material.It can adopt the common cement in this area, but preferably,
PO42.5 portland cements can be used.Herein, " PO " represents Portland cement.
Above-mentioned breeze is referred to carries out feed powder resulting after pulverizing processing by mined ore, and it is used as cement grout
One of major ingredient of material.
Major ingredient one of of the above-mentioned flyash as cement grout material.It is that catch thin is received in flue gas from after coal combustion
Ash, flyash is the primary solids waste that coal-burning power plant discharges.The main oxides of power plants flyash are consisted of：
SiO2、Al2O3、FeO、Fe2O3、CaO、TiO2Deng.
Used as one of major ingredient, sand plays a part of fine aggregate.
It is easily understood that cement grout material can also include water.Referring to property ground, according to mass parts 10～15 parts are also included
The mass parts of water, such as water can be 10 parts, 10.5 parts, 11 parts, 12.5 parts, 13 parts, 14 parts, 14.5 parts or 15 parts.
The present invention does not make especially harsh restriction, but it is preferred that half to the consumption of cement grout material and asphalt
The raw material of flexible pavement material includes 15～30wt% cement grouts material and 70～85wt% asphalts, with the total of its raw material
Quality is 100wt% meters.For example, the consumption of cement grout material can for 15wt%, 15.5wt%, 16wt%, 18wt%,
22.5wt%, 25wt%, 28wt%, 29.5wt% or 30wt% etc.；The consumption of asphalt can for 70wt%,
70.5wt%, 72wt%, 75wt%, 78wt%, 80wt%, 82wt%, 84wt%, 84.5t% or 85wt%.
Asphalt, so it is easy to understand that using pitch as key component.Pitch contained by it is preferably rubber drip
It is blue or green.Compared to other pitches, rubber asphalt improves pitch mixed material cracking resistance and caking property.
The voidage of the pitch of above-mentioned asphalt is 20～25%, such as voidage can for 20%, 20.5%,
22%th, 22.5%, 23%, 24%, 24.5% or 25% etc..Herein, voidage shows the way the hole between gathering materials in surface concrete
Volume accounts for the percentage of concrete cumulative volume, i.e. unit volume and gathers materials had voidage, is represented with VC.These holes or
Person is interconnected (closed pore gap) or communicates with ambient atmosphere (perforate gap).The voidage of Surface of Trial Pavement is according to the core sample adopted
Determined by following formula, i.e. (1- ρ/ρ a) × 100%.In the formula, ρ is the bulk density of core sample；ρ a are the apparent density of core sample；Its
Middle apparent density ρ a is determined by following formula：ρ a=m/V.In this formula, m is the core sample quality adopted by Surface of Trial Pavement.V is the core
The volume of sample, not including the volume of air of road table clearance gap.
To ensure the voidage of above range, the aggregate grading of asphalt can list a kind of preferably example.Herein,
Aggregate grading refers to that gathering materials for different (the varying) of several specifications combines to form compound, and each sieve aperture of compound passes through
Rate.With for example, the percent of pass of 0.075mm sieve apertures is 6.9～8.4% for the percent of pass of 4.1～4.9%, 0.3mm sieve apertures to level,
The percent of pass of 0.6mm sieve apertures is the logical of 9.3～12.9%, 2.36mm sieve apertures for the percent of pass of 8.3～10.9%, 1.18mm sieve apertures
It is 58～63% for the percent of pass of 16.2～26%, 9.5mm sieve apertures to cross the percent of pass that rate is 13～18%, 4.75mm sieve apertures,
The percent of pass of 13.2mm sieve apertures is 93～97% etc. for the percent of pass of 78～82%, 16mm sieve apertures.
The bitumen aggregate ratio of above-mentioned asphalt is preferred with 4.1～4.3%, for example bitumen aggregate ratio can for 4.1%, 4.15%,
4.2%th, 4.25% or 4.3%.Herein, term " bitumen aggregate ratio " refers to the hundred of asphalt from asphalt mixture and mineral aggregate mass ratio
Fraction, it is one of index of asphalt content.Its consumption height directly affects pavement quality, and greatly then road surface is easily general for bitumen aggregate ratio
Oil, on the contrary then affect intensity and waterproof effect.
The preparation method of the half-flexible pavement material of the present invention, comprises the following steps：
Mixing according to mass parts comprising 15～20 parts of cement, 8～10 parts of emulsified asphalts, 0.03～0.06 part of water reducer,
0.06～0.2 part of polypropylene fibre, 10～15 parts of breezes, 30～35 parts of sand, 8～10 parts of flyash, 0.06～0.12 part of expansion
Agent and 0.03～0.06 part of interface modifier, to obtain cement slurry；
And offer asphalt.
Above-mentioned mixing can be as mechanical agitation in the way of the mixing for obtaining cement slurry.Churned mechanically rotating speed can be adopted
Stirring at low speed, such as 50～150rpm.Under this churned mechanically rotating speed, the churned mechanically time can be 20～40s, such as 20s,
25s, 30s, 35s or 40s etc..
As for the charging sequence in mixing to obtain cement slurry, can preferably be specially：First in mixing plant
Water, emulsified asphalt and cement are added, flyash, polypropylene fibre, breeze, water reducer, swelling agent, interface modification is sequentially added
Agent.
The half-flexible pavement of the present invention, by made by half-flexible pavement material described above.
Can be first to form macrovoid basal plane using asphalt making in the half-flexible pavement manufacturing process, then
In the basal plane cement grout material is poured into using grouting equipment (such as sprinkling wagon) and solidified.After the completion of solidification, then conserve one
Section time, such as 1d or so.
Below do not address part and be applied to prior art.
Embodiment 1
Step one, proportioning raw material.Its raw material includes 30wt% cement grouts material and 70wt% asphalts, with raw material
Gross mass is 100wt% meters.Wherein, cement grout material includes 20 parts of PO42.5 portland cements, 9 parts of SBR breasts according to mass parts
Change pitch, 0.06 part of polycarboxylate water-reducer, 0.085 part of polypropylene fibre, 12 parts of breezes, 35 parts of sand, 5 parts of flyash, 0.09 part
Swelling agent, 0.03 part of interface modifier and 13 parts of water.
Step 2, preparation cement grout material.Specifically, water, SBR emulsified asphalts, cement are once put into into agitated kettle stirring
Mixing, after stirring at low speed 30s, flyash, polypropylene fibre, breeze, water reducer, swelling agent, interface modifier throw in successively into
Mixer, grouting material obtains cement grout material after stirring using homogenizer.
Step 3, by asphalt making after, to form road bed.
Step 4, carry out sprinkling using special cement-based mortar sprinkling wagon in above-mentioned road bed and pour into, use after pouring into
Vibrated roller vibration auxiliary mortar infiltration, after mortar infiltration is finished, will be remained on bituminous paving surface using rubber road harrow
Cement-based mortar remove clean, until exposing matrix bituminous concrete surface, maintenance obtains half-flexible pavement.
Embodiment 2
Step one, proportioning raw material.Its raw material includes 15wt% cement grouts material and 85wt% asphalts, with raw material
Gross mass is 100wt% meters.Wherein, cement grout material includes 15 parts of PO42.5 portland cements, 10 parts of SBR breasts according to mass parts
Change pitch, 0.03 part of polycarboxylate water-reducer, 0.2 part of polypropylene fibre, 10 parts of breezes, 30 parts of sand, 8 parts of flyash, 0.06 part it is swollen
Swollen dose, 0.03 part of interface modifier and 10 parts of water.
Step 2, preparation cement grout material.Specifically, water, SBR emulsified asphalts, cement are once put into into agitated kettle stirring
Mixing, after 20～40s of stirring at low speed, flyash, polypropylene fibre, breeze, water reducer, swelling agent, interface modifier are thrown successively
Put mixer into, grouting material obtains cement grout material after stirring using homogenizer.
Step 3, by asphalt making after, to form road bed.
Step 4, carry out sprinkling using special cement-based mortar sprinkling wagon in above-mentioned road bed and pour into, use after pouring into
Vibrated roller vibration auxiliary mortar infiltration, after mortar infiltration is finished, will be remained on bituminous paving surface using rubber road harrow
Cement-based mortar remove clean, until exposing matrix bituminous concrete surface, maintenance obtains half-flexible pavement.
Embodiment 3
Step one, proportioning raw material.Its raw material includes 30wt% cement grouts material and 70wt% asphalts, with raw material
Gross mass is 100wt% meters.Wherein, cement grout material includes 20 parts of PO42.5 portland cements, 10 parts of SBR breasts according to mass parts
Change pitch, 0.06 part of polycarboxylate water-reducer, 0.06 part of polypropylene fibre, 10 parts of breezes, 30 parts of sand, 10 parts of flyash, 0.12 part
Swelling agent, 0.06 part of interface modifier and 15 parts of water.
Step 2, preparation cement grout material.Specifically, water, SBR emulsified asphalts, cement are once put into into agitated kettle stirring
Mixing, after stirring at low speed 30s, flyash, polypropylene fibre, breeze, water reducer, swelling agent, interface modifier throw in successively into
Mixer, grouting material obtains cement grout material after stirring using homogenizer.
Step 3, by asphalt making after, to form road bed.
Step 4, carry out sprinkling using special cement-based mortar sprinkling wagon in above-mentioned road bed and pour into, use after pouring into
Vibrated roller vibration auxiliary mortar infiltration, after mortar infiltration is finished, will be remained on bituminous paving surface using rubber road harrow
Cement-based mortar remove clean, until exposing matrix bituminous concrete surface, maintenance obtains half-flexible pavement.
Embodiment 4
Step one, proportioning raw material.Its raw material includes 20wt% cement grouts material and 80wt% asphalts, with raw material
Gross mass is 100wt% meters.Wherein, cement grout material includes 18 parts of PO42.5 portland cements, 9 parts of SBR breasts according to mass parts
Change pitch, 0.045 part of polycarboxylate water-reducer, 0.13 part of polypropylene fibre, 12 parts of breezes, 32 parts of sand, 9 parts of flyash, 0.09 part
Swelling agent, 0.045 part of interface modifier and 13 parts of water.
Step 2, preparation cement grout material.Specifically, water, SBR emulsified asphalts, cement are once put into into agitated kettle stirring
Mixing, after stirring at low speed 30s, flyash, polypropylene fibre, breeze, water reducer, swelling agent, interface modifier throw in successively into
Mixer, grouting material obtains cement grout material after stirring using homogenizer.
Step 3, by asphalt making after, to form road bed.
Step 4, carry out sprinkling using special cement-based mortar sprinkling wagon in above-mentioned road bed and pour into, use after pouring into
Vibrated roller vibration auxiliary mortar infiltration, after mortar infiltration is finished, will be remained on bituminous paving surface using rubber road harrow
Cement-based mortar remove clean, until exposing matrix bituminous concrete surface, maintenance obtains half-flexible pavement.
It is as follows to the performance test results of cement grout and half-flexible pavement in embodiment 1～4 using known method
Table：
The cement grout performance of table 1
The half-flexible pavement pavement performance of table 2
Because the number range of each technological parameter involved in the present invention can not possibly all embody in the above-described embodiments,
As long as but those skilled in the art's envisioned any numerical value fallen in the above-mentioned number range completely can implement this
Invention, also includes any combination of occurrence in the range of some numerical value certainly.Herein, for the consideration of length, eliminate to
Go out the embodiment of occurrence in certain one or more number range, this disclosure for being not to be construed as technical scheme is not filled
Point.
Applicant states that the present invention illustrates the detailed process equipment of the present invention and technological process by above-described embodiment,
But above-mentioned detailed process equipment and technological process are the invention is not limited in, that is, does not mean that the present invention has to rely on above-mentioned detailed
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
Addition, concrete mode selection of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., fall in the protection of the present invention
In the range of.
Claims (10)
1. a kind of half-flexible pavement material, it is characterised in that its raw material mixes according to mass parts comprising cement grout material and pitch
Material, the cement grout material includes 15～20 parts of cement, 8～10 parts of emulsified asphalts, 0.03～0.06 part of diminishing according to mass parts
Agent, 0.06～0.2 part of polypropylene fibre, 10～15 parts of breezes, 30～35 parts of sand, 8～10 parts of flyash, 0.06～0.12 part it is swollen
Swollen dose and 0.03～0.06 part of interface modifier.
2. half-flexible pavement material according to claim 1, it is characterised in that the emulsified asphalt changes selected from rubber latex
Property emulsified asphalt, SBR emulsified asphalts, the one kind in anion-modified emulsified asphalt or any two more than, preferably SBR emulsifications
Pitch；
Preferably, the water reducer is selected from the one kind in naphthalene water reducer, aminosulfonic water-reducing agent, polycarboxylate water-reducer or appoints
More than two kinds of meaning, preferably polycarboxylate water-reducer；
Preferably, the one kind or any of the swelling agent in UEA type swelling agents, HEA type swelling agents, calcium sulphoaluminate CSA types
More than two kinds, preferably UEA types swelling agent；
Preferably, the interface modifier is silane coupler and/or silane-modified styrene-acrylic emulsion；
Preferably, the cement is PO42.5 portland cements.
3. half-flexible pavement material according to claim 1 and 2, it is characterised in that cement grout material according to mass parts also
Comprising 10～15 parts of water.
4. the half-flexible pavement material according to claims 1 to 3 any one, it is characterised in that its raw material comprising 15～
30wt% cement grouts material and 70～85wt% asphalts, are counted with the gross mass of its raw material as 100wt%.
5. the half-flexible pavement material according to Claims 1 to 4 any one, it is characterised in that the asphalt
Pitch be rubber modified asphalt.
6. the half-flexible pavement material according to Claims 1 to 5 any one, it is characterised in that the asphalt
Voidage be 20～25%.
7. the half-flexible pavement material according to claim 1～6 any one, it is characterised in that the asphalt
Bitumen aggregate ratio be 4.1～4.3%.
8. a kind of preparation method of half-flexible pavement material, it is characterised in that comprise the following steps：
Mixing according to mass parts comprising 15～20 parts of cement, 8～10 parts of emulsified asphalts, 0.03～0.06 part of water reducer, 0.06～
0.2 part of polypropylene fibre, 10～15 parts of breezes, 30～35 parts of sand, 8～10 parts of flyash, 0.06～0.12 part of swelling agent and
0.03～0.06 part of interface modifier, to obtain cement slurry；
And offer asphalt.
9. preparation method according to claim 4, it is characterised in that mixing is in the way of the mixing for obtaining cement slurry
Mechanical agitation, the churned mechanically time is 20～40s.
10. a kind of half-flexible pavement, it is characterised in that by made by the half-flexible pavement material as described in claim 1～7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167125.9A CN106587842A (en) | 2016-12-16 | 2016-12-16 | Semi-flexible pavement material, preparation method therefor and semi-flexible pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167125.9A CN106587842A (en) | 2016-12-16 | 2016-12-16 | Semi-flexible pavement material, preparation method therefor and semi-flexible pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106587842A true CN106587842A (en) | 2017-04-26 |
Family
ID=58599695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167125.9A Pending CN106587842A (en) | 2016-12-16 | 2016-12-16 | Semi-flexible pavement material, preparation method therefor and semi-flexible pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106587842A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188517A (en) * | 2017-07-19 | 2017-09-22 | 合肥申沃园艺有限公司 | A kind of ecological, environmental protective high-performance gardens ground surface material and preparation method thereof |
| CN107445528A (en) * | 2017-06-26 | 2017-12-08 | 上海二十冶建设有限公司 | A kind of mass concrete anti-cracking method using a variety of admixtures |
| CN107963856A (en) * | 2017-12-14 | 2018-04-27 | 许昌金欧特沥青股份有限公司 | One kind is suitable for northern low temp area half-flexible pavement colored mortar and preparation method thereof |
| CN107986682A (en) * | 2017-12-14 | 2018-05-04 | 许昌金欧特沥青股份有限公司 | A kind of material and its construction method on the composite coloured road surface of semi-flexible |
| CN108455897A (en) * | 2018-05-30 | 2018-08-28 | 江苏百瑞吉新材料有限公司 | A kind of anti-crack concrete additive |
| CN110183190A (en) * | 2019-07-10 | 2019-08-30 | 广州市建筑集团混凝土有限公司 | Bituminous concrete |
| CN110627417A (en) * | 2019-10-21 | 2019-12-31 | 南京兴佑交通科技有限公司 | High-toughness fabricated asphalt composite pavement precast block and preparation method thereof |
| CN110714386A (en) * | 2019-11-11 | 2020-01-21 | 上海市市政规划设计研究院有限公司 | Long-life semi-flexible base pavement structure and construction method thereof |
| CN112209682A (en) * | 2020-10-12 | 2021-01-12 | 上海市市政规划设计研究院有限公司 | Self-infiltrating irrigation slurry for semi-flexible pavement and preparation method thereof |
| CN113045278A (en) * | 2021-03-17 | 2021-06-29 | 江苏东交智控科技集团股份有限公司 | Cement grouting material and preparation method and application thereof |
| CN113085001A (en) * | 2021-03-29 | 2021-07-09 | 广东汇航建设工程有限公司 | Preparation method and device of semi-flexible pavement asphalt mixture |
| CN113652920A (en) * | 2021-09-06 | 2021-11-16 | 南通学帆工程材料科技有限公司 | Anti-rutting preparation method for water-based epoxy asphalt grouting |
| CN113698143A (en) * | 2021-09-26 | 2021-11-26 | 武汉工程大学 | Semi-flexible asphalt mixture filled with metakaolin-based polymer and preparation method thereof |
| WO2022022092A1 (en) * | 2020-07-27 | 2022-02-03 | 中铁十四局集团有限公司 | Earthquake-resistant synchronous grouting material |
| CN114634343A (en) * | 2022-04-21 | 2022-06-17 | 邯郸中建恒质工程项目管理有限公司 | Early-strength grouting material for semi-flexible pavement and preparation method and application thereof |
| CN116535144A (en) * | 2023-05-12 | 2023-08-04 | 广东晶通公路工程建设集团有限公司 | Composite material for semi-flexible pavement and pavement construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187193A (en) * | 2007-12-06 | 2008-05-28 | 武汉理工大学 | Half-flexible water drainage skid-free noise-reducing road surface pavement structure |
| CN101700968A (en) * | 2009-11-19 | 2010-05-05 | 武汉理工大学 | Preparation method of pouring type organic/inorganic composite pavement material based on interface modification |
| CN102336547A (en) * | 2011-06-28 | 2012-02-01 | 中国海洋石油总公司 | Cement asphalt mortar with high elastic damping |
| CN103864374A (en) * | 2012-12-10 | 2014-06-18 | 中国石油天然气股份有限公司 | Semi-flexible pavement base material and preparation method thereof |
-
2016
- 2016-12-16 CN CN201611167125.9A patent/CN106587842A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187193A (en) * | 2007-12-06 | 2008-05-28 | 武汉理工大学 | Half-flexible water drainage skid-free noise-reducing road surface pavement structure |
| CN101700968A (en) * | 2009-11-19 | 2010-05-05 | 武汉理工大学 | Preparation method of pouring type organic/inorganic composite pavement material based on interface modification |
| CN102336547A (en) * | 2011-06-28 | 2012-02-01 | 中国海洋石油总公司 | Cement asphalt mortar with high elastic damping |
| CN103864374A (en) * | 2012-12-10 | 2014-06-18 | 中国石油天然气股份有限公司 | Semi-flexible pavement base material and preparation method thereof |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445528A (en) * | 2017-06-26 | 2017-12-08 | 上海二十冶建设有限公司 | A kind of mass concrete anti-cracking method using a variety of admixtures |
| CN107188517A (en) * | 2017-07-19 | 2017-09-22 | 合肥申沃园艺有限公司 | A kind of ecological, environmental protective high-performance gardens ground surface material and preparation method thereof |
| CN107963856A (en) * | 2017-12-14 | 2018-04-27 | 许昌金欧特沥青股份有限公司 | One kind is suitable for northern low temp area half-flexible pavement colored mortar and preparation method thereof |
| CN107986682A (en) * | 2017-12-14 | 2018-05-04 | 许昌金欧特沥青股份有限公司 | A kind of material and its construction method on the composite coloured road surface of semi-flexible |
| CN108455897A (en) * | 2018-05-30 | 2018-08-28 | 江苏百瑞吉新材料有限公司 | A kind of anti-crack concrete additive |
| CN110183190A (en) * | 2019-07-10 | 2019-08-30 | 广州市建筑集团混凝土有限公司 | Bituminous concrete |
| CN110627417A (en) * | 2019-10-21 | 2019-12-31 | 南京兴佑交通科技有限公司 | High-toughness fabricated asphalt composite pavement precast block and preparation method thereof |
| CN110714386A (en) * | 2019-11-11 | 2020-01-21 | 上海市市政规划设计研究院有限公司 | Long-life semi-flexible base pavement structure and construction method thereof |
| WO2022022092A1 (en) * | 2020-07-27 | 2022-02-03 | 中铁十四局集团有限公司 | Earthquake-resistant synchronous grouting material |
| CN112209682A (en) * | 2020-10-12 | 2021-01-12 | 上海市市政规划设计研究院有限公司 | Self-infiltrating irrigation slurry for semi-flexible pavement and preparation method thereof |
| CN113045278A (en) * | 2021-03-17 | 2021-06-29 | 江苏东交智控科技集团股份有限公司 | Cement grouting material and preparation method and application thereof |
| CN113085001A (en) * | 2021-03-29 | 2021-07-09 | 广东汇航建设工程有限公司 | Preparation method and device of semi-flexible pavement asphalt mixture |
| CN113652920A (en) * | 2021-09-06 | 2021-11-16 | 南通学帆工程材料科技有限公司 | Anti-rutting preparation method for water-based epoxy asphalt grouting |
| CN113698143A (en) * | 2021-09-26 | 2021-11-26 | 武汉工程大学 | Semi-flexible asphalt mixture filled with metakaolin-based polymer and preparation method thereof |
| CN114634343A (en) * | 2022-04-21 | 2022-06-17 | 邯郸中建恒质工程项目管理有限公司 | Early-strength grouting material for semi-flexible pavement and preparation method and application thereof |
| CN116535144A (en) * | 2023-05-12 | 2023-08-04 | 广东晶通公路工程建设集团有限公司 | Composite material for semi-flexible pavement and pavement construction method |
| CN116535144B (en) * | 2023-05-12 | 2024-05-17 | 广东晶通公路工程建设集团有限公司 | Composite material for semi-flexible pavement and pavement construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106587842A (en) | Semi-flexible pavement material, preparation method therefor and semi-flexible pavement | |
| Ofuyatan et al. | Development of high-performance self compacting concrete using eggshell powder and blast furnace slag as partial cement replacement | |
| CN105801023B (en) | A kind of cement base premixing dry-mixed mortar for 3D printing | |
| CN110304876A (en) | A kind of complete gently haydite concrete and preparation method thereof | |
| CN103193421B (en) | Method for preparing carbon fiber conductive concrete with melting snow and ice function | |
| CN101880996B (en) | Cement-stabilizing broken stone used for highway subgrade | |
| Raheem et al. | Saw dust ash as partial replacement for cement in the production of sandcrete hollow blocks | |
| CN105948598A (en) | Asphalt concrete | |
| Reddy et al. | Experimental studies on compressive strength of ternary blended concretes at different levels of micro silica and ggbs | |
| Reddy et al. | Effect of fly ash on strength and durability parameters of concrete | |
| Kannur et al. | Utilization of sugarcane bagasse ash as cement-replacing materials for concrete pavement: An overview | |
| CN107445544A (en) | A kind of pervious concrete and preparation method thereof | |
| Umoh et al. | Comparative evaluation of concrete properties with varying proportions of periwinkle shell and bamboo leaf ashes replacing cement | |
| Suryawanshi et al. | Use of Eco-Friendly Material like Fly Ash in Rigid Pavement Construction & It’s Cost Benefit Analysis | |
| CN111777365A (en) | Proportioning method of super-large-volume fly ash cement stable base material and vibration stirrer | |
| RU2351703C1 (en) | Method for production of cold organic mineral mixture for road pavements | |
| Ofuyatan et al. | Performance of self compacting concrete incorporating ground granulated blast furnace slag and metakaolin | |
| Akiije | Characteristic and effects of a superplasticizer quantity variation in some concrete strengths optimization | |
| CN107352853A (en) | A kind of nickel slag asphalt and preparation method thereof | |
| Ravinder et al. | Study on compressive strength of concrete on partial replacement of cement with ground granulated blast furnace slag (GGBS) | |
| JP7490532B2 (en) | Manufacturing method of paving concrete blocks | |
| CN103936314A (en) | Reactive organic modified active mineral and gap-graded asphalt mixture and preparation method thereof | |
| Praveena et al. | Effect on Strength Properties of Concrete by using Prosopis Juliflora Wood Powder as Partial Replacement of Sand | |
| Arasa et al. | Effect of sugarcane Bagasse ash on the engineering properties of blended sandcrete blocks | |
| CN108359250A (en) | The preparation method of high-performance asphalt cold repairing, the cold-repairing material based on waste asphalt pavement material and the two |
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 | ||
| CB02 | Change of applicant information |
Address after: 226000 East Fuxing Road, Nantong Economic Development Zone, Jiangsu Province, No. 58 Applicant after: JIANGSU POLAR STAR TRAFFIC INDUSTRY GROUP CO.,LTD. Address before: 226000 East Fuxing Road, Nantong Economic Development Zone, Jiangsu Province, No. 58 Applicant before: Jiangsu Polaris Transportation Industry Co.,Ltd. Address after: 226000 East Fuxing Road, Nantong Economic Development Zone, Jiangsu Province, No. 58 Applicant after: Jiangsu Polaris Transportation Industry Co.,Ltd. Address before: 226000 East Fuxing Road, Nantong Economic Development Zone, Jiangsu Province, No. 58 Applicant before: JIANGSU DAORUN ENGINEERING TECHNOLOGY CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
|
| RJ01 | Rejection of invention patent application after publication |