CN109881554A - A kind of modified asphalt cement concrete pavement construction method - Google Patents
A kind of modified asphalt cement concrete pavement construction method Download PDFInfo
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- CN109881554A CN109881554A CN201910157881.0A CN201910157881A CN109881554A CN 109881554 A CN109881554 A CN 109881554A CN 201910157881 A CN201910157881 A CN 201910157881A CN 109881554 A CN109881554 A CN 109881554A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/143—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- E01C7/18—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
- E01C7/265—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 rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
A kind of modified asphalt cement concrete pavement construction method: modified asphalt cement concrete mixture: by 50-60 parts of (parts by weight) cement, 100-150 parts of stone, 100-120 parts of sand, 10-15 parts of ardealite, 10-20 parts and water 20-30 parts of diatomite are added in blender, stirring is after ten minutes, stirring material is preheated, 40-50 DEG C of preheating temperature, is added 50-80 parts of modified pitch that step 2 obtains, after stirring 3-5 minutes, modified asphalt cement concrete mixture is obtained；Of the invention uses modified pitch that modified asphalt cement concrete is made to have better dynamic stability and residual stability, and porosity is improved, and frost resistance is improved.Furthermore the bond performance of concrete and interfacial agents can be improved in the addition of modified pitch.Improve the easily peelable phenomenon in concrete road surface.
Description
Technical field
The present invention relates to a kind of modified asphalt cement concrete pavement construction method, belongs to pavement construction field technical field.
Background technique
With the increasingly increase of the magnitude of traffic flow, traffic density is big, vehicle enlargement, and heavy duty overload is serious, and speed is high, bears
Lotus action time is short, and density increases fastly, and the requirement of these road pavements is higher and higher.The confrontation fissility requirement of highway surface layer is very high,
This requires surface layers to have good adhesiveness to prolong the service life.Road surface because adhesiveness does not often reach requirement, road surface at
It is detached from surface layer and base through load-bearing repeatedly after type, basal layer still not can be improved effectively at present and securely glued with supercrust
Close the method for reaching and extending pavement life.
Summary of the invention
In order to overcome the defect on more than existing, the present invention provides a kind of modified asphalt cement concrete pavement construction side
Method.
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 10-15 parts of acrylamide, acrylate resins 10-12
Part, 5-10 parts of styrene-butadiene lotion, 3-6 parts of polyethylene glycol, 1-3 parts of resorcinol, 100-150 parts of acetone, water 120-
180 parts,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, is added terpene resin 0.15-0.2 parts,
It 0.05-0.1 parts of polyacrylonitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C,
After shearing 30 minutes under 900rpm, 165 DEG C are cooled to, 0.1-0.15 parts of ethylene nonyl phenylate is added, is cut at 1200rpm
It cuts 20 minutes, graphite 0.05-0.1 parts and dolomite dust 0.05-0.1 parts high speed shear 15min at 1600 rpm, temperature is added
Being down to 40-50 DEG C, to obtain modified pitch stand-by.
The prewired modified asphalt cement concrete mixture of step 3: by 50-60 parts of (parts by weight) cement, 100-150 parts of stone,
100-120 parts of sand, 10-15 parts of ardealite, 10-20 parts and water 20-30 parts of diatomite are added in blender, stir 10 minutes
Afterwards, stirring material is preheated, 40-50 DEG C of preheating temperature, is added 50-80 parts of modified pitch that step 2 obtains, 3-5 points of stirring
Zhong Hou obtains modified asphalt cement concrete mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 3-6 days.
Preferably, a kind of modified asphalt cement concrete pavement construction method, total fountain height is interfacial agents twice
About 0.3-0.6kg/m2, first time fountain height about 0.2-0.3kg/m2, second of fountain height about 0.1-0.3kg/m2.
Preferably, a kind of modified asphalt cement concrete pavement construction method, interfacial agents include mass parts: propylene
11 parts of amide, 11 parts of acrylate resins, 6 parts of styrene-butadiene lotion, 5 parts of polyethylene glycol, 1 part of resorcinol, acetone 50
Part, 55 parts of water.
Preferably, a kind of modified asphalt cement concrete pavement construction method, interfacial agents include mass parts: propylene
10 parts of amide, 12 parts of acrylate resins, 6 parts of styrene-butadiene lotion, 3 parts of polyethylene glycol, 1 part of resorcinol, acetone 45
Part, 60 parts of water.
Preferably, a kind of modified asphalt cement concrete pavement construction method, cement: stone: sand: ardealite: silicon
Diatomaceous earth: water: the weight ratio of modified pitch is 50-60:100-150:100-120:10-15:10-20:20-30:50-80.
Preferably, a kind of modified asphalt cement concrete pavement construction method, cement: stone: sand: ardealite: silicon
Diatomaceous earth: water: the weight ratio of modified pitch is 52:140:100:10:12:25:70.
Preferably, a kind of modified asphalt cement concrete pavement construction method conserves 5 days in step 4.
Preferably, a kind of modified asphalt cement concrete pavement construction method, interfacial agents treated bottom with
Interval between modified asphalt cement concrete mixture is laid in step 4 to be no more than 30 minutes
Preferably, a kind of modified asphalt cement concrete pavement construction method heats 1 part of matrix pitch in step 2
To 170 DEG C, it is added 0.15 part of terpene resin, 0.08 part of polyacrylonitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly.
Preferably, between being laid between modified asphalt cement concrete mixture in interfacial agents treated bottom and step 4
Every no more than 30 minutes
Preferably, road bottom is cement stabilized macadam floor or water stabilized gravel base
Preferably, total fountain height is 0.3-0.6kg/m2 to interfacial agents twice, and first time fountain height is 0.2-0.3kg/m2, for the second time
Fountain height is 0.1-0.3kg/m2,
Preferably, 50-80 parts of modified pitch that step 2 obtains are added in step 3, whipping temp is maintained at 40-50 DEG C, stirs
After mixing 3-5 minutes, modified asphalt cement concrete mixture is obtained,
Interfacial agents of the present invention have very strong caking property, and easily infiltrate into and form chemical interactions increasing in surface void
Road bottom and modified asphalt cement concrete road surface binding force, 1 hour shear bonding strength 1.2-1.4MPa of interfacial agents of the present invention,
3 hours shear bonding strength 1.6-1.8MPa, 1 hour tensile bond strength 0.15-0.17MPa, 3 hours tensile bond strengths
0.19-0.21MPa, it is of the invention use modified pitch make modified asphalt cement concrete have better dynamic stability and
Residual stability, porosity are improved, and frost resistance is improved.Furthermore concrete and boundary can be improved in the addition of modified pitch
The bond performance of face agent.Improve the easily peelable phenomenon in concrete road surface.
Specific embodiment
Embodiment 1
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 10 parts of acrylamide, 11 parts of acrylate resins, and benzene
6 parts of ethylene-butylene lotion, 4 parts of polyethylene glycol, 3 parts of resorcinol, 120 parts of acetone, 160 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, are added 0.16 part of terpene resin, poly- third
It 0.05 part of alkene nitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C, at 900rpm
After shearing 30 minutes, 165 DEG C are cooled to, 0.15 part of ethylene nonyl phenylate is added, shears 20 minutes, add at 1200rpm
Entering 0.07 part of graphite, high speed shear 15min, temperature are down to 40-50 DEG C and are modified at 1600 rpm with 0.06 part of dolomite dust
Pitch is stand-by.
The prewired modified asphalt cement concrete mixture of step 3: by 52 parts of (parts by weight) cement, 140 parts of stone, sand 120
Part, 10 parts of ardealite, 18 parts and 28 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material,
40-50 DEG C of preheating temperature, after being added 60 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, it is mixed to obtain modified asphalt cement
Solidifying soil mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 5 days.
Embodiment 2
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 14 parts of acrylamide, 12 parts of acrylate resins, and benzene
9 parts of ethylene-butylene lotion, 5 parts of polyethylene glycol, 1 part of resorcinol, 100 parts of acetone, 180 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, are added 0.2 part of terpene resin, poly- third
It 0.05 part of alkene nitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C, at 900rpm
After shearing 30 minutes, 165 DEG C are cooled to, 0.12 part of ethylene nonyl phenylate is added, shears 20 minutes, add at 1200rpm
Entering 0.09 part of graphite, high speed shear 15min, temperature are down to 45 DEG C and obtain modified pitch at 1600 rpm with 0.08 part of dolomite dust
For use.
The prewired modified asphalt cement concrete mixture of step 3: by 54 parts of (parts by weight) cement, 120 parts of stone, sand 100
Part, 13 parts of ardealite, 11 parts and 28 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material,
45 DEG C of preheating temperature, after being added 70 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, obtain modified asphalt cement coagulation
Native mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 4 days.
Embodiment 3
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 14 parts of acrylamide, 10 parts of acrylate resins, and benzene
10 parts of ethylene-butylene lotion, 5 parts of polyethylene glycol, 3 parts of resorcinol, 150 parts of acetone, 170 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, are added 0.15 part of terpene resin, poly- third
It 0.08 part of alkene nitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C, at 900rpm
After shearing 30 minutes, 165 DEG C are cooled to, 0.11 part of ethylene nonyl phenylate is added, shears 20 minutes, add at 1200rpm
Entering 0.06 part of graphite, high speed shear 15min, temperature are down to 40-50 DEG C and are modified at 1600 rpm with 0.07 part of dolomite dust
Pitch is stand-by.
The prewired modified asphalt cement concrete mixture of step 3: by 51 parts of (parts by weight) cement, 110 parts of stone, sand 110
Part, 14 parts of ardealite, 17 parts and 26 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material,
40-50 DEG C of preheating temperature, after being added 65 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, it is mixed to obtain modified asphalt cement
Solidifying soil mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 6 days.
Embodiment 4
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 10 parts of acrylamide, 10 parts of acrylate resins, and benzene
10 parts of ethylene-butylene lotion, 5 parts of polyethylene glycol, 1 part of resorcinol, 140 parts of acetone, 150 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, are added 0.15 part of terpene resin, poly- third
It 0.1 part of alkene nitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C, at 900rpm
After shearing 30 minutes, 165 DEG C are cooled to, 0.14 part of ethylene nonyl phenylate is added, shears 20 minutes, add at 1200rpm
Entering 0.08 part of graphite, high speed shear 15min, temperature are down to 40-50 DEG C and are modified at 1600 rpm with 0.09 part of dolomite dust
Pitch is stand-by.
The prewired modified asphalt cement concrete mixture of step 3: by 54 parts of (parts by weight) cement, 135 parts of stone, sand 115
Part, 11 parts of ardealite, 17 parts and 28 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material,
40-50 DEG C of preheating temperature, after being added 70 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, it is mixed to obtain modified asphalt cement
Solidifying soil mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 3 days.
Embodiment 5
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 13 parts of acrylamide, 11 parts of acrylate resins, and benzene
5 parts of ethylene-butylene lotion, 4 parts of polyethylene glycol, 1 part of resorcinol, 150 parts of acetone, 170 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, is added terpene resin 0.15-0.2 parts,
It 0.07 part of polyacrylonitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C,
After shearing 30 minutes under 900rpm, 165 DEG C are cooled to, 0.13 part of ethylene nonyl phenylate is added, shears 20 at 1200rpm
Minute, 0.06 part of 0.08 part of graphite and dolomite dust high speed shear 15min at 1600 rpm is added, temperature is down to 40-50 DEG C and is obtained
It is stand-by to modified pitch.
The prewired modified asphalt cement concrete mixture of step 3: by 51 parts of (parts by weight) cement, 145 parts of stone, sand 105
Part, 14 parts of ardealite, 13 parts and 22 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material,
40-50 DEG C of preheating temperature, after being added 64 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, it is mixed to obtain modified asphalt cement
Solidifying soil mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 5 days.
Embodiment 6
A kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 15 parts of acrylamide, 11 parts of acrylate resins, and benzene
6 parts of ethylene-butylene lotion, 3 parts of polyethylene glycol, 3 parts of resorcinol, 110 parts of acetone, 180 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, are added 0.2 part of terpene resin, poly- third
It 0.1 part of alkene nitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C, at 900rpm
After shearing 30 minutes, 165 DEG C are cooled to, 0.15 part of ethylene nonyl phenylate is added, shears 20 minutes, add at 1200rpm
Entering 0.08 part and dolomite dust 0.05-0.1 parts of graphite, high speed shear 15min, temperature are down to 40-50 DEG C and are obtained at 1600 rpm
Modified pitch is stand-by.
The prewired modified asphalt cement concrete mixture of step 3: by 56 parts of (parts by weight) cement, 140 parts of stone, sand 100
Part, 11 parts of ardealite, 14 parts and 28 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material,
40-50 DEG C of preheating temperature, after being added 55 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, it is mixed to obtain modified asphalt cement
Solidifying soil mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 6 days.
Table 1 implements sharp 1-6 interfacial agents and comparative example test result
Table 2 implements sharp 1-6 modified asphalt cement concrete test result
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Dynamic stability/mm | 4582 | 4350 | 4682 | 4456 | 4604 | 4421 |
| Marshall stability kN | 11.8 | 10.8 | 11.4 | 11.0 | 10.3 | 11.2 |
| Maximum deformation quantity mm | 4.03 | 4.23 | 4.20 | 3.85 | 3.98 | 4.10 |
| Flow valuve 0.1mm | 32 | 33 | 32 | 34 | 35 | 33 |
| Porosity % | 4.2 | 4.1 | 4.1 | 4.2 | 4.3 | 4.2 |
| Residual stability % | 87.7 | 88.3 | 87.4 | 87.8 | 88.2 | 88.9 |
| Freeze-thaw split intensity ratio % | 83.6 | 82.3 | 82.8 | 82.6 | 83.5 | 83.1 |
Claims (7)
1. a kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 10-15 parts of acrylamide, acrylate resins 10-12
Part, 5-10 parts of styrene-butadiene lotion, 3-6 parts of polyethylene glycol, 1-3 parts of resorcinol, 100-150 parts of acetone, water 120-
180 parts,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, is added terpene resin 0.15-0.2 parts,
It 0.05-0.1 parts of polyacrylonitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C,
After shearing 30 minutes under 900rpm, 165 DEG C are cooled to, 0.1-0.15 parts of ethylene nonyl phenylate is added, is cut at 1200rpm
It cuts 20 minutes, graphite 0.05-0.1 parts and dolomite dust 0.05-0.1 parts high speed shear 15min at 1600 rpm, temperature is added
Being down to 40-50 DEG C, to obtain modified pitch stand-by,
The prewired modified asphalt cement concrete mixture of step 3: by 50-60 parts of (parts by weight) cement, 100-150 parts of stone, sand
100-120 parts, 10-15 parts of ardealite, 10-20 parts and water 20-30 parts of diatomite are added in blender, stir after ten minutes,
Stirring material is preheated, 40-50 DEG C of preheating temperature, be added 50-80 parts of modified pitch that step 2 obtains, stirred 3-5 minutes
Afterwards, modified asphalt cement concrete mixture is obtained；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 3-6 days.
2. a kind of modified asphalt cement concrete pavement construction method as described in claim 1, interfacial agents total fountain height twice
It is about 0.3-0.6kg/m2, first time fountain height about 0.2-0.3kg/m2, second of fountain height about 0.1-0.3kg/m2.
3. a kind of modified asphalt cement concrete pavement construction method as described in claim 1, interfacial agents include mass parts: third
11 parts of acrylamide, 11 parts of acrylate resins, 6 parts of styrene-butadiene lotion, 5 parts of polyethylene glycol, 1 part of resorcinol, acetone 50
Part, 55 parts of water.
4. a kind of modified asphalt cement concrete pavement construction method as described in claim 1, interfacial agents include mass parts: third
10 parts of acrylamide, 12 parts of acrylate resins, 6 parts of styrene-butadiene lotion, 3 parts of polyethylene glycol, 1 part of resorcinol, acetone 45
Part, 60 parts of water.
5. a kind of modified asphalt cement concrete pavement construction method as described in claim 1, conserved 5 days in step 4.
6. a kind of modified asphalt cement concrete pavement construction method as described in claim 1, interfacial agents treated bottom
It is no more than 30 minutes with interval between modified asphalt cement concrete mixture is laid in step 4.
7. a kind of modified asphalt cement concrete pavement construction method: its step includes:
The processing of step 1 bottom surface interfacial agents: after road bottom surface cleans up, interfacial agents are sprayed to its surface, sprinkling is equal
After even, 10 minutes are stood, then spray second time；Interfacial agents include mass parts: 14 parts of acrylamide, 10 parts of acrylate resins, and benzene
10 parts of ethylene-butylene lotion, 5 parts of polyethylene glycol, 3 parts of resorcinol, 150 parts of acetone, 170 parts of water,
Step 2 prepares modified pitch: 170 DEG C is heated to by 1 part of parts by weight matrix pitch, are added 0.15 part of terpene resin, poly- third
It 0.08 part of alkene nitrile, 0.05 part of dimethyl methyl phosphonate, is mixed evenly；Mixture temperature is increased to 185 DEG C, at 900rpm
After shearing 30 minutes, 165 DEG C are cooled to, 0.11 part of ethylene nonyl phenylate is added, shears 20 minutes, add at 1200rpm
Entering 0.06 part of graphite, high speed shear 15min, temperature are down to 40-50 DEG C and are modified at 1600 rpm with 0.07 part of dolomite dust
Pitch is stand-by,
The prewired modified asphalt cement concrete mixture of step 3: by 51 parts of (parts by weight) cement, 110 parts of stone, 110 parts of sand, phosphorus
14 parts of gypsum, 17 parts and 26 parts of water of diatomite are added in blender, and stirring after ten minutes, preheats stirring material, preheats
40-50 DEG C of temperature, after being added 65 parts of modified pitch that step 2 obtains, stirring 3-5 minutes, obtain modified asphalt cement concrete
Mixture；
Step 4 is laid with road surface: modified asphalt cement concrete mixture is laid on interfacial agents treated road bottom, to hard
Modified asphalt cement concrete road surface is formed after change, modified asphalt cement concrete roadway surface covers wet straw mattress and is conserved,
Maintenance 6 days.
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| CN111648190A (en) * | 2020-04-25 | 2020-09-11 | 河南省金德园林绿化工程有限公司 | Asphalt concrete pavement and paving construction method thereof |
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