CN112919853A - Asphalt mixture for drainage and preparation method thereof - Google Patents
Asphalt mixture for drainage and preparation method thereof Download PDFInfo
- Publication number
- CN112919853A CN112919853A CN202110431666.2A CN202110431666A CN112919853A CN 112919853 A CN112919853 A CN 112919853A CN 202110431666 A CN202110431666 A CN 202110431666A CN 112919853 A CN112919853 A CN 112919853A
- Authority
- CN
- China
- Prior art keywords
- parts
- asphalt
- mixture
- drainage
- binder
- 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
- 239000010426 asphalt Substances 0.000 title claims abstract description 164
- 239000000203 mixture Substances 0.000 title claims abstract description 123
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 54
- 239000003381 stabilizer Substances 0.000 claims abstract description 54
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 239000002904 solvent Substances 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 34
- 239000000654 additive Substances 0.000 claims abstract description 32
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 29
- 239000003607 modifier Substances 0.000 claims abstract description 29
- 230000000996 additive effect Effects 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 25
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 25
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 25
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 230000032683 aging Effects 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 87
- 238000002156 mixing Methods 0.000 claims description 30
- 239000011800 void material Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 235000019738 Limestone Nutrition 0.000 claims description 5
- 239000006028 limestone Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 230000002335 preservative effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000004513 sizing Methods 0.000 claims description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 2
- 239000012745 toughening agent Substances 0.000 claims description 2
- 238000011041 water permeability test Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012615 aggregate Substances 0.000 description 70
- -1 accelerator Substances 0.000 description 6
- 238000002372 labelling Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a drainage asphalt mixture and a preparation method thereof, wherein the drainage asphalt mixture comprises the following raw materials in parts by weight: 4-12 parts of asphalt binder, 3-9 parts of modifier, 10-15 parts of coarse aggregate, 7-19 parts of fine aggregate, 5-11 parts of filler, 6-17 parts of fiber stabilizer, 12-18 parts of 70# asphalt, 3-8 parts of solubilizer, 4-13 parts of antioxidant, 6-16 parts of stabilizer, 7-15 parts of high polymerization additive, 3-12 parts of anti-aging agent, 2-18 parts of accelerator, 9-17 parts of binder and 8-19 parts of cross-linking agent, wherein the weighing equipment is a platform scale, and the platform scale is calibrated once every time one raw material is replaced, so that the accuracy is ensured, the container is a transparent plastic barrel, and the label is attached to the top of the container and can be conveniently taken and used. The drainage asphalt mixture disclosed by the invention can improve the low-temperature resistance, high-temperature resistance and ageing resistance of the drainage asphalt mixture while ensuring the porosity and the drainage, is wide in application range, can reduce the later maintenance cost, and is good in use effect.
Description
Technical Field
The invention relates to the field of asphalt mixtures, in particular to a drainage asphalt mixture and a preparation method thereof.
Background
The drainage asphalt pavement generally adopts a large-gap asphalt mixture as a surface layer, rain penetrates into a drainage functional layer, and rainwater is transversely discharged through the inside layer, so that a road surface water film which brings a plurality of adverse effects of driving is eliminated, and the safety and the comfort of driving in rainy days are obviously improved; meanwhile, the porous characteristic of the drainage asphalt pavement can greatly reduce traffic noise, the drainage asphalt pavement is also called as a low-noise asphalt pavement, along with the rapid development of science and technology and society, the requirement on road engineering is higher and higher, and the drainage asphalt pavement with the large-gap characteristic has the outstanding advantages of high skid resistance, low noise, water mist inhibition, water drift prevention, glare reduction and the like, so that the drainage asphalt pavement reaches the top in the prior asphalt pavement technology, and becomes the optimal pavement form for realizing the leap of the surface characteristic quality of the road.
However, since the high temperature resistance and low temperature resistance of the rock asphalt are poor, the asphalt pavement has a short service life and poor drainage performance when used in a low-temperature region, and therefore, the asphalt mixture for drainage and the preparation method thereof are provided to solve the problems.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a drainage asphalt mixture and a preparation method thereof.
The invention provides a drainage asphalt mixture, which is prepared from the following raw materials in parts by weight: 4-12 parts of asphalt binder, 3-9 parts of modifier, 10-15 parts of coarse aggregate, 7-19 parts of fine aggregate, 5-11 parts of filler, 6-17 parts of fiber stabilizer, 12-18 parts of 70# asphalt, 3-8 parts of solubilizer, 4-13 parts of antioxidant, 6-16 parts of stabilizer, 7-15 parts of high polymerization additive, 3-12 parts of anti-aging agent, 2-18 parts of accelerator, 9-17 parts of binder and 8-19 parts of cross-linking agent.
The preparation method of the drainage asphalt mixture comprises the following preparation steps
S1: weighing the asphalt binder, the modifier, the coarse aggregate, the fine aggregate, the filler, the fiber stabilizer, the No. 70 asphalt, the solubilizer, the antioxidant, the stabilizer, the high-polymerization additive, the anti-aging agent, the accelerator, the binder and the solubilizer in parts by weight by using a weighing device, placing the weighed asphalt binder, the modifier, the coarse aggregate, the fine aggregate, the filler, the fiber stabilizer, the No. 70 asphalt, the solubilizer, the antioxidant, the stabilizer, the high-polymerization additive, the anti-aging agent, the accelerator, the binder and the solubilizer in respective containers;
s2: adding the weighed 70# asphalt, solubilizer, antioxidant, stabilizer and high-polymerization additive into a mixing cylinder in equal proportion to obtain high-viscosity asphalt with strong adhesive property;
s3: adding the high-viscosity asphalt obtained in the step S2 into a stirrer, and adding an asphalt binder and a modifier into the stirrer at intervals of 20-30S to obtain high-viscosity modified asphalt;
s4: adding the fine aggregate and the coarse aggregate into a stirring cylinder for fully stirring to obtain an aggregate mixture, and standing the aggregate mixture for 20-25 min;
s5: adding a filler into the aggregate mixture, and starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture;
s6: adding the mixture obtained in the step S5 into the high-viscosity modified asphalt in the step S3, fully stirring and mixing the mixture and the high-viscosity modified asphalt by using a stirrer, and sequentially adding an anti-aging agent, an accelerator, a fiber stabilizer, a binder and a crosslinking agent into the stirrer at intervals of 1-5min to obtain a drainage asphalt mixture;
s7: detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the porosity of the drainage asphalt mixture and the expected porosity to be 1%;
preferably, in S1, the weighing equipment is the platform scale, and every time a raw material is changed, the platform scale is proofreaded once, guarantees the accuracy, and the container is transparent plastic bucket, and the label is attached at the top of container, can conveniently take the use.
Preferably, in S1, the modifier is a mixture of SBS and rubber, the coarse and fine aggregates are alkaline stone, the best choice is stone with rough surface and hard and wear resistance, the maximum particle size of the coarse aggregate is between 13-15mm, the drainage rate of the fine aggregate is between 0.075-2.36, and the coarse and fine aggregates are graded products.
Preferably, in S2, the model of the mixing cylinder is Italian Simm CB170L, the temperature of the mixing cylinder is 130-150 ℃, the mixing rotation speed of the mixing cylinder is 120-130r/min, and the mixing time of the mixing cylinder is 3-5 min.
Preferably, in the S3, the model of the stirrer is ACA, the power of the stirrer is 300 kilowatts, the rotating speed is 50r/min-100r/min, the temperature is 60 ℃ to 90 ℃, the rubber SBS and the rubber in the modifier are both powder, and the external additive is blended in the asphalt binder.
Preferably, in S4, the stirring cylinder includes a stirring cylinder body, a stirring cylinder cover, a stirrer body, a support, a transmission device, a shaft seal device, and the like, and a heating device or a cooling device may be further configured according to the process requirements, the model of the stirring cylinder is ULEMA, the power of the stirring cylinder is 2000W, the stirring time is 30-50S, the rotation speed is 70r/min-90r/min, and the stirring cylinder is further provided with an air suction fan and an air suction channel, so that dust generated during the stirring process can be absorbed by the air suction fan, and the processing environment is not polluted.
Preferably, in S5, the filler is a mixture of limestone ore powder, slaked lime and cement, the mass ratio of the limestone ore powder to the slaked lime to the cement is 12:22:18, the adhesiveness of the 70# asphalt with the coarse aggregate and the fine aggregate can be improved, and the slaked lime can delay aging.
Preferably, in S6, the accelerator includes an accelerator TMTD and an accelerator CZ, the fiber stabilizer is a lignin fiber stabilizer, the anti-aging agent is one or more of an anti-aging agent MB and an anti-aging agent-66, and the binder includes a sizing material, a solvent, a curing agent, a toughening agent, a preservative, a colorant, and a defoaming agent.
Preferably, in S7, the prepared drainage asphalt mixture is subjected to a void ratio measurement, a water permeability test, a rutting test and a kentuck scattering loss test in this order, and the expected void ratio and the actual void ratio are compared.
The drainage asphalt mixture has the beneficial effects that the drainage asphalt mixture contains asphalt binder, modifier, coarse aggregate, fine aggregate, filler, fiber stabilizer, No. 70 asphalt, solubilizer, antioxidant, stabilizer, high polymerization additive, anti-aging agent, accelerator, binder and crosslinking agent, so that the void ratio can be effectively improved, and the drainage performance is good.
The invention can improve the low temperature resistance, high temperature resistance and aging resistance of the drainage asphalt mixture while ensuring the void ratio and drainage, has wide application range, can reduce the later maintenance cost, and has good use effect.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention provides a drainage asphalt mixture which comprises the following raw materials in parts by weight: 4 parts of asphalt binder, 3 parts of modifier, 10 parts of coarse aggregate, 7 parts of fine aggregate, 5 parts of filler, 6 parts of fiber stabilizer, 12 parts of No. 70 asphalt, 3 parts of solubilizer, 4 parts of antioxidant, 6 parts of stabilizer, 7 parts of high polymerization additive, 3 parts of anti-aging agent, 2 parts of accelerator, 9 parts of binder and 8 parts of crosslinking agent.
The preparation process comprises the steps of placing weighed asphalt binder, modifier, coarse aggregate, fine aggregate, filler, fiber stabilizer, No. 70 asphalt, solubilizer, antioxidant, stabilizer, high polymerization additive, anti-aging agent, accelerator, binder and solubilizer in respective containers, labeling the top of the container with article information and quality information, adding the weighed 70 asphalt, solubilizer, antioxidant, stabilizer and high polymerization additive in equal proportion into a mixing cylinder of model No. 70 CB170L, fully stirring the additives at temperature of 130 ℃ in a mixing cylinder of model No. 170L of Western Italian Western Mem CB L to obtain high-viscosity asphalt, adding the high-viscosity asphalt into a stirrer of model No. ACA, stirring the high-viscosity modified asphalt at speed of 50r/min by the stirrer at stirring temperature of 60 ℃, adding asphalt binder and modifier into a stirrer at intervals of 20-30s to obtain high-viscosity modified asphalt, keeping the stirring speed of the stirrer unchanged, adding fine aggregate and coarse aggregate into a stirring cylinder of ULEMA for sufficient stirring at a stirring speed of 70r/min for 30s, adsorbing dust by using an air suction fan on the stirring cylinder during stirring to obtain an aggregate mixture, standing the aggregate mixture for 20min, adding filler into the aggregate mixture, starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture, keeping the rotating speed and time of the stirring cylinder unchanged, adding the mixture into the stirrer in which the high-viscosity modified asphalt is located, starting the stirrer again to keep the rotating speed and time unchanged, and using the stirrer to sufficiently stir and mix the mixture and the high-viscosity modified asphalt, and sequentially adding an anti-aging agent, an accelerating agent, a fiber stabilizing agent, a binder and a cross-linking agent into the stirrer at intervals of 1min to obtain a drainage asphalt mixture, detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the void ratio of the drainage asphalt mixture and the expected void ratio to be 1%.
Example two
The invention provides a drainage asphalt mixture which comprises the following raw materials in parts by weight: 5 parts of asphalt binder, 4 parts of modifier, 11 parts of coarse aggregate, 8 parts of fine aggregate, 6 parts of filler, 7 parts of fiber stabilizer, 13 parts of No. 70 asphalt, 4 parts of solubilizer, 5 parts of antioxidant, 7 parts of stabilizer, 8 parts of high polymerization additive, 4 parts of anti-aging agent, 3 parts of accelerator, 10 parts of binder and 9 parts of crosslinking agent.
In the preparation process, weighed asphalt binder, modifier, coarse aggregate, fine aggregate, filler, fiber stabilizer, No. 70 asphalt, solubilizer, antioxidant, stabilizer, high-polymerization additive, anti-aging agent, accelerator, binder and solubilizer are placed in respective containers, labels are pasted on the tops of the containers, the labels are labeled with article information and quality information, the weighed No. 70 asphalt, the solubilizer, the antioxidant, the stabilizer and the high-polymerization additive are added into a mixing cylinder with the model of Italian Simmer CB170L in equal proportion, the additives are fully stirred in the mixing cylinder with the model of Italian Simmer CB170L at the speed of 122r/min and the temperature of 134 ℃ to obtain high-viscosity asphalt, the high-viscosity asphalt is added into a stirrer with the model of ACA, the stirrer is used for stirring the high-viscosity modified asphalt at the speed of 60r/min, the stirring temperature is 65 ℃, adding asphalt binder and modifier into a stirrer at intervals of 22s to obtain high-viscosity modified asphalt, keeping the stirring speed of the stirrer unchanged, adding fine aggregate and coarse aggregate into a stirring cylinder of ULEMA for sufficient stirring, wherein the stirring time is 34s, the stirring speed is 74r/min, adsorbing dust by using an air suction fan on the stirring cylinder during stirring to obtain an aggregate mixture, standing the aggregate mixture for 21min, adding filler into the aggregate mixture, starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture, keeping the rotating speed and the time of the stirring cylinder unchanged to obtain a mixture, adding the mixture into the stirrer in which the high-viscosity modified asphalt is located, starting the stirrer again to keep the rotating speed and the time unchanged, and sufficiently stirring and mixing the mixture and the high-viscosity modified asphalt by using the stirrer, and sequentially adding an anti-aging agent, an accelerating agent, a fiber stabilizing agent, a binder and a cross-linking agent into the stirrer at intervals of 2min to obtain a drainage asphalt mixture, detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the void ratio of the drainage asphalt mixture and the expected void ratio to be 1%.
EXAMPLE III
The invention provides a drainage asphalt mixture which comprises the following raw materials in parts by weight: 6 parts of asphalt binder, 5 parts of modifier, 12 parts of coarse aggregate, 9 parts of fine aggregate, 7 parts of filler, 8 parts of fiber stabilizer, 14 parts of No. 70 asphalt, 5 parts of solubilizer, 6 parts of antioxidant, 8 parts of stabilizer, 9 parts of high polymerization additive, 5 parts of anti-aging agent, 4 parts of accelerator, 11 parts of binder and 10 parts of crosslinking agent.
The preparation process comprises the steps of placing weighed asphalt binder, modifier, coarse aggregate, fine aggregate, filler, fiber stabilizer, No. 70 asphalt, solubilizer, antioxidant, stabilizer, high-polymerization additive, anti-aging agent, accelerator, binder and solubilizer in respective containers, labeling the top of the container with article information and quality information, adding the weighed 70 asphalt, solubilizer, antioxidant, stabilizer and high-polymerization additive in equal proportion into a mixing cylinder of model No. 35170 170L, fully stirring the additives at temperature of 138 ℃ in the mixing cylinder of model No. 170L of Western Italian CB170 to obtain high-viscosity asphalt, adding the high-viscosity asphalt into a stirrer of model No. ACA, stirring the high-viscosity modified asphalt at speed of 70r/min by the stirrer at stirring temperature of 70 ℃, adding asphalt binder and modifier into a stirrer at intervals of 24s to obtain high-viscosity modified asphalt, keeping the stirring speed of the stirrer unchanged, adding fine aggregate and coarse aggregate into a stirring cylinder of ULEMA for sufficient stirring, wherein the stirring time is 38s, the stirring speed is 78r/min, adsorbing dust by using an air suction fan on the stirring cylinder during stirring to obtain an aggregate mixture, standing the aggregate mixture for 22min, adding filler into the aggregate mixture, starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture, keeping the rotating speed and the time of the stirring cylinder unchanged to obtain a mixture, adding the mixture into the stirrer in which the high-viscosity modified asphalt is located, starting the stirrer again to keep the rotating speed and the time unchanged, and sufficiently stirring and mixing the mixture and the high-viscosity modified asphalt by using the stirrer, and sequentially adding an anti-aging agent, an accelerating agent, a fiber stabilizing agent, a binder and a cross-linking agent into the stirrer at intervals of 3min to obtain a drainage asphalt mixture, detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the void ratio of the drainage asphalt mixture and the expected void ratio to be 1%.
Example four
The invention provides a drainage asphalt mixture which comprises the following raw materials in parts by weight: 7 parts of asphalt binder, 6 parts of modifier, 13 parts of coarse aggregate, 10 parts of fine aggregate, 8 parts of filler, 9 parts of fiber stabilizer, 15 parts of No. 70 asphalt, 6 parts of solubilizer, 7 parts of antioxidant, 9 parts of stabilizer, 10 parts of high polymerization additive, 6 parts of anti-aging agent, 5 parts of accelerator, 12 parts of binder and 11 parts of cross-linking agent.
The preparation process comprises the steps of placing weighed asphalt binder, modifier, coarse aggregate, fine aggregate, filler, fiber stabilizer, No. 70 asphalt, solubilizer, antioxidant, stabilizer, high-polymerization additive, anti-aging agent, accelerator, binder and solubilizer in respective containers, labeling the top of the container with article information and quality information, adding the weighed 70 asphalt, solubilizer, antioxidant, stabilizer and high-polymerization additive in equal proportion into a mixing cylinder of model No. 35170 170L, fully stirring the additives at temperature of 142 ℃ in the mixing cylinder of model No. 170L of Western Italian CB170 to obtain high-viscosity asphalt, adding the high-viscosity asphalt into a stirrer of model No. ACA, stirring the high-viscosity modified asphalt at speed of 80r/min by the stirrer at stirring temperature of 75 ℃, adding asphalt binder and modifier into a stirrer at intervals of 26s to obtain high-viscosity modified asphalt, keeping the stirring speed of the stirrer unchanged, adding fine aggregate and coarse aggregate into a stirring cylinder of ULEMA for sufficient stirring, wherein the stirring time is 42s and the stirring speed is 82r/min, adsorbing dust by using an air suction fan on the stirring cylinder during stirring to obtain an aggregate mixture, standing the aggregate mixture for 23min, adding filler into the aggregate mixture, starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture, keeping the rotating speed and the time of the stirring cylinder unchanged to obtain a mixture, adding the mixture into the stirrer in which the high-viscosity modified asphalt is located, starting the stirrer again to keep the rotating speed and the time unchanged, and sufficiently stirring and mixing the mixture and the high-viscosity modified asphalt by using the stirrer, and sequentially adding an anti-aging agent, an accelerating agent, a fiber stabilizing agent, a binder and a cross-linking agent into the stirrer at intervals of 4min to obtain a drainage asphalt mixture, detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the void ratio of the drainage asphalt mixture and the expected void ratio to be 1%.
EXAMPLE five
The invention provides a drainage asphalt mixture which comprises the following raw materials in parts by weight: 8 parts of asphalt binder, 7 parts of modifier, 14 parts of coarse aggregate, 11 parts of fine aggregate, 9 parts of filler, 10 parts of fiber stabilizer, 16 parts of No. 70 asphalt, 7 parts of solubilizer, 8 parts of antioxidant, 10 parts of stabilizer, 11 parts of high polymerization additive, 7 parts of anti-aging agent, 6 parts of accelerator, 13 parts of binder and 12 parts of crosslinking agent.
The preparation process comprises the steps of placing weighed asphalt binder, modifier, coarse aggregate, fine aggregate, filler, fiber stabilizer, No. 70 asphalt, solubilizer, antioxidant, stabilizer, high polymerization additive, anti-aging agent, accelerator, binder and solubilizer in respective containers, labeling the top of the container with article information and quality information, adding the weighed 70 asphalt, solubilizer, antioxidant, stabilizer and high polymerization additive in equal proportion into a mixing cylinder of model No. 70 CB170L, fully stirring the additives at temperature of 150 ℃ in a mixing cylinder of model No. 170L of Western Italian Western Mem CB L to obtain high-viscosity asphalt, adding the high-viscosity asphalt into a stirrer of model No. ACA, stirring the high-viscosity modified asphalt at speed of 90r/min by the stirrer at stirring temperature of 80 ℃, adding asphalt binder and modifier into a stirrer at intervals of 28s to obtain high-viscosity modified asphalt, keeping the stirring speed of the stirrer unchanged, adding fine aggregate and coarse aggregate into a stirring cylinder of ULEMA for sufficient stirring, wherein the stirring time is 46s and the stirring speed is 86r/min, adsorbing dust by using an air suction fan on the stirring cylinder during stirring to obtain an aggregate mixture, standing the aggregate mixture for 24min, adding filler into the aggregate mixture, starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture, keeping the rotating speed and the time of the stirring cylinder unchanged, adding the mixture into the stirrer in which the high-viscosity modified asphalt is located, starting the stirrer again to keep the rotating speed and the time unchanged, and fully stirring and mixing the mixture and the high-viscosity modified asphalt by using the stirrer, and sequentially adding an anti-aging agent, an accelerating agent, a fiber stabilizing agent, a binder and a cross-linking agent into the stirrer at intervals of 5min to obtain a drainage asphalt mixture, detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the void ratio of the drainage asphalt mixture and the expected void ratio to be 1%.
Comparative tests of performance were conducted on examples 1-5 comparing the expected and actual void fractions of conventional drainage asphalt mixes, with the test data shown in the following table:
from the above table, it can be seen that the error between the actual void ratio and the expected void ratio of the water-draining asphalt mixture provided by the present invention is controlled to be 1%, the void ratio of the water-draining asphalt mixture is obviously improved, the water-draining asphalt mixture has good water-draining performance, and the third embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The water-draining asphalt mixture is characterized by being prepared from the following raw materials in parts by weight: 4-12 parts of asphalt binder, 3-9 parts of modifier, 10-15 parts of coarse aggregate, 7-19 parts of fine aggregate, 5-11 parts of filler, 6-17 parts of fiber stabilizer, 12-18 parts of 70# asphalt, 3-8 parts of solubilizer, 4-13 parts of antioxidant, 6-16 parts of stabilizer, 7-15 parts of high polymerization additive, 3-12 parts of anti-aging agent, 2-18 parts of accelerator, 9-17 parts of binder and 8-19 parts of cross-linking agent.
2. The method for preparing the asphalt mixture for drainage according to claim 1, wherein the preparation steps are as follows:
s1: weighing the asphalt binder, the modifier, the coarse aggregate, the fine aggregate, the filler, the fiber stabilizer, the No. 70 asphalt, the solubilizer, the antioxidant, the stabilizer, the high-polymerization additive, the anti-aging agent, the accelerator, the binder and the solubilizer in parts by weight by using a weighing device, placing the weighed asphalt binder, the modifier, the coarse aggregate, the fine aggregate, the filler, the fiber stabilizer, the No. 70 asphalt, the solubilizer, the antioxidant, the stabilizer, the high-polymerization additive, the anti-aging agent, the accelerator, the binder and the solubilizer in respective containers;
s2: adding the weighed 70# asphalt, solubilizer, antioxidant, stabilizer and high-polymerization additive into a mixing cylinder in equal proportion to obtain high-viscosity asphalt with strong adhesive property;
s3: adding the high-viscosity modified asphalt obtained in the step S2 into a stirrer, and adding an asphalt binder and a modifier into the stirrer at intervals of 20-30S to obtain high-viscosity modified asphalt;
s4: adding the fine aggregate and the coarse aggregate into a stirring cylinder for fully stirring, and standing an aggregate mixture for 20-25 min;
s5: adding a filler into the aggregate mixture, and starting the stirring cylinder again to uniformly mix the filler and the aggregate mixture to obtain a mixture;
s6: adding the mixture obtained in the step S5 into the high-viscosity modified asphalt in the step S3, fully stirring and mixing the mixture and the high-viscosity modified asphalt by using a stirrer, and sequentially adding an anti-aging agent, an accelerator, a fiber stabilizer, a binder and a crosslinking agent into the stirrer at intervals of 1-2min to obtain a drainage asphalt mixture;
s7: and detecting the performance of the drainage asphalt mixture, determining the performance of the drainage asphalt mixture according to the detection result, and controlling the error between the porosity of the drainage asphalt mixture and the expected porosity to be 1%.
3. The method for preparing the asphalt mixture for drainage according to claim 2, wherein in the step S1, the weighing device is a platform scale, the platform scale is calibrated once when one raw material is replaced, the accuracy is ensured, the container is a transparent plastic barrel, and the label is attached to the top of the container and can be conveniently taken and used.
4. The method as claimed in claim 2, wherein the modifier is a mixture of SBS and rubber in S1, the coarse and fine aggregates are alkaline stone, the best choice is stone with rough surface and hard and wear-resistant surface, the maximum grain size of the coarse aggregate is 13-15mm, the drainage rate of the fine aggregate is 0.075-2.36, and the coarse and fine aggregates are graded.
5. The method as claimed in claim 2, wherein in the step S2, the model of the mixing cylinder is Italian Simm CB170L, the temperature of the mixing cylinder is 130-150 ℃, the mixing speed of the mixing cylinder is 120-130r/min, and the mixing time of the mixing cylinder is 3-5 min.
6. The method as claimed in claim 2, wherein in the step S3, the mixer is ACA type, the power of the mixer is 300 kw, the rotation speed is 50r/min-100r/min, the temperature is 60 ℃ to 90 ℃, the rubber SBS and rubber in the modifier are powdered, and the asphalt binder is blended with the external additive.
7. The method for preparing the asphalt mixture for drainage according to claim 2, wherein in S4, the stirring cylinder comprises a stirring cylinder body, a stirring cylinder cover, a stirrer body, a support, a transmission device, a shaft seal device and the like, and a heating device or a cooling device can be configured according to process requirements, the model of the stirring cylinder is ULEMA, the power of the stirring cylinder is 2000W, the stirring time is 30-50S, the rotating speed is 70r/min-90r/min, the stirring cylinder is further provided with an air suction fan and an air suction channel, and dust generated in the stirring process can be absorbed by the air suction fan and cannot pollute the processing environment.
8. The method for preparing the asphalt mixture for drainage according to claim 2, wherein in the step S5, the filler is a mixture of limestone ore powder, slaked lime and cement, the mass ratio of the limestone ore powder to the slaked lime to the cement is 12:22:18, the limestone ore powder can improve the adhesion of the No. 70 asphalt to the coarse aggregate and the fine aggregate, and the slaked lime can delay aging.
9. The method for preparing the drainage asphalt mixture according to claim 2, wherein in the step S6, the accelerator comprises an accelerator TMTD and an accelerator CZ, the fiber stabilizer is a lignin fiber stabilizer, the anti-aging agent is one or more of an anti-aging agent MB and an anti-aging agent-66, and the binder comprises a sizing material, a solvent, a curing agent, a toughening agent, a preservative, a coloring agent and a defoaming agent.
10. The method of claim 2, wherein in the step S7, the void ratio, the water permeability test, the rutting test and the Kentunberg scattering loss test are sequentially performed on the prepared water-draining asphalt mixture, and the expected void ratio and the actual void ratio are compared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431666.2A CN112919853A (en) | 2021-04-21 | 2021-04-21 | Asphalt mixture for drainage and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431666.2A CN112919853A (en) | 2021-04-21 | 2021-04-21 | Asphalt mixture for drainage and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112919853A true CN112919853A (en) | 2021-06-08 |
Family
ID=76174646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110431666.2A Pending CN112919853A (en) | 2021-04-21 | 2021-04-21 | Asphalt mixture for drainage and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112919853A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6303552B1 (en) * | 1999-08-04 | 2001-10-16 | Napier International Technologies, Inc. | Aerosol paint stripper compositions |
| CN103130470A (en) * | 2011-11-30 | 2013-06-05 | 上海市政工程设计研究总院（集团）有限公司 | Warm mix drainage asphalt mixture and preparation method thereof |
| CN106630731A (en) * | 2016-12-21 | 2017-05-10 | 国路高科（北京）交通科技有限公司 | Composite modifier and high-scattering-resistance drainage asphalt concrete prepared through same |
| CN106633961A (en) * | 2016-12-19 | 2017-05-10 | 长安大学 | High-viscosity modified asphalt material and preparation method thereof |
| CN106751966A (en) * | 2016-12-15 | 2017-05-31 | 佛山高富中石油燃料沥青有限责任公司 | The crude oil straight asphaltes of a kind of MEREY 16 production SBS modified pitch and preparation method thereof |
| CN106904871A (en) * | 2017-02-15 | 2017-06-30 | 上海浦东路桥建设股份有限公司 | Draining reclaimed asphalt mixture and its mixing proportion design method |
| CN109721287A (en) * | 2019-01-30 | 2019-05-07 | 虞定生 | A kind of drainage special asphalt mixture and preparation method thereof |
| CN110510921A (en) * | 2019-09-10 | 2019-11-29 | 上海公路桥梁（集团）有限公司 | A kind of drain type asphalt mixture and preparation method |
-
2021
- 2021-04-21 CN CN202110431666.2A patent/CN112919853A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6303552B1 (en) * | 1999-08-04 | 2001-10-16 | Napier International Technologies, Inc. | Aerosol paint stripper compositions |
| CN103130470A (en) * | 2011-11-30 | 2013-06-05 | 上海市政工程设计研究总院（集团）有限公司 | Warm mix drainage asphalt mixture and preparation method thereof |
| CN106751966A (en) * | 2016-12-15 | 2017-05-31 | 佛山高富中石油燃料沥青有限责任公司 | The crude oil straight asphaltes of a kind of MEREY 16 production SBS modified pitch and preparation method thereof |
| CN106633961A (en) * | 2016-12-19 | 2017-05-10 | 长安大学 | High-viscosity modified asphalt material and preparation method thereof |
| CN106630731A (en) * | 2016-12-21 | 2017-05-10 | 国路高科（北京）交通科技有限公司 | Composite modifier and high-scattering-resistance drainage asphalt concrete prepared through same |
| CN106904871A (en) * | 2017-02-15 | 2017-06-30 | 上海浦东路桥建设股份有限公司 | Draining reclaimed asphalt mixture and its mixing proportion design method |
| CN109721287A (en) * | 2019-01-30 | 2019-05-07 | 虞定生 | A kind of drainage special asphalt mixture and preparation method thereof |
| CN110510921A (en) * | 2019-09-10 | 2019-11-29 | 上海公路桥梁（集团）有限公司 | A kind of drain type asphalt mixture and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0857192B1 (en) | One-component chemically curing hot applied insulating glass sealant | |
| CN101085871B (en) | Asphalt modified by epoxy resin and rubber powder | |
| CN101921419B (en) | High-modulus modifier composite of bituminous mixture and preparation method thereof | |
| US20130041070A1 (en) | Rubber asphalt and preparation method thereof | |
| JP2000119530A (en) | Asphalt pavement binder, its production, production of asphalt concreat pavement composition and method for increasing compatibility of pavement composition, pavement surface, crumb rubber and asphalt cement | |
| CN102863807B (en) | Epoxy asphalt and preparation method thereof, as well as concrete containing same | |
| CN103113844B (en) | Filling glue for filling asphalt pavement crack and preparation method thereof | |
| CN110951435A (en) | High-strength silane modified polyether sealant with equal proportion and preparation method thereof | |
| CN107446364A (en) | A kind of rubber asphalt and preparation method thereof | |
| CN113072913B (en) | Graphene oxide toughened thermosetting SBS (styrene butadiene styrene) modified asphalt binder and application thereof | |
| CN113248938A (en) | Wet-cured polyurethane modified cold-mix asphalt and preparation method thereof | |
| BR112020017176A2 (en) | COMPOSITION OF MODIFIED GROUND RUBBER FOR USE IN ASPHALT BINDING APPLICATIONS AND PAVING MIXTURES | |
| CN101412823A (en) | Rubber composition and tire having component containing combination of emulsion SBR and tackifying resin | |
| CN111233371A (en) | Polyurethane micro-surfacing sealing layer mixture and preparation method and application thereof | |
| CN112919853A (en) | Asphalt mixture for drainage and preparation method thereof | |
| CN105408126A (en) | Rubber tyre compound production method | |
| CN101629000B (en) | Asphalt modified product and preparation method thereof | |
| CN108250777B (en) | Colored asphalt and preparation method thereof | |
| CN110256860A (en) | A kind of modified pitch and preparation method thereof | |
| CN114230968B (en) | Light-colored epoxy odorless asphalt and preparation method and application thereof | |
| CN115677268A (en) | Quick-melting type regenerated asphalt mixture modifier, regenerated asphalt mixture and preparation method thereof | |
| US4532271A (en) | Bituminous paving material and a method for the preparation thereof | |
| CN110451857A (en) | Activate shoddy noise reduction micro-surfacing mixture | |
| CN106380873A (en) | New reclaimed asphalt and preparation method thereof | |
| KR19980082220A (en) | Modified asphalt solids and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |
|
| RJ01 | Rejection of invention patent application after publication |