CN107129195A - A kind of multi-functional water-permeating pitch mixed material and preparation method thereof - Google Patents
A kind of multi-functional water-permeating pitch mixed material and preparation method thereof Download PDFInfo
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- CN107129195A CN107129195A CN201710308612.0A CN201710308612A CN107129195A CN 107129195 A CN107129195 A CN 107129195A CN 201710308612 A CN201710308612 A CN 201710308612A CN 107129195 A CN107129195 A CN 107129195A
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- functional water
- mixed material
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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
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
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- 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 present invention discloses a kind of multi-functional water-permeating pitch mixed material and preparation method thereof, includes each component of following mass parts, 100 parts of mineral aggregates, 4 ~ 6 parts of modified pitch and 0.1 ~ 0.5 part of fiber stabilizer；Mineral aggregate is made up of coarse aggregate, fine aggregate, diafiltration material and miberal powder；Modified pitch is by 100 parts of matrix pitches, 4 ~ 8 parts of SBS, 8 ~ 12 parts of shoddies, 0.4 ~ 0.9 part of MWCNT and 2 ~ 5 part of tackifier composition；Fiber stabilizer is lignin fibre, mineral fibres or polyester fiber one kind therein multi-functional water-permeating pitch mixed material proposed by the present invention, its Mineral Material contains diafiltration material, diafiltration material uses volcanic rock, activated carbon, haydite, zeolite or crab shell clam shell powder etc. are with low cost, the material being readily available, effective control to rainwater runoff pollution can not only be realized, reach and make full use of rainwater resource, the purpose of recharge groundwater resource, preparation cost can also be effectively reduced, the modified pitch used is compound using MWCNT and SBS, the anti-shearing deformability of pitch can be made to be significantly improved.
Description
Technical field
The present invention relates to a kind of road traffic ground surface material, more particularly to a kind of multi-functional water-permeating pitch mixed material and its
Preparation method.
Background technology
China has that mining inetesity height, hard are mated formation in urbanization fast development process, is completed at present
Bituminous paving in more than 90% formed by thick grading principle design, category Design Air Voids are less intensive to match somebody with somebody bituminous concrete
Road surface.This pavement structure have it is closely knit, the characteristics of be not easy permeable, and intensity is higher, water stabilizing, low-temperature cracking-resistance
Can, endurance quality it is all relatively good, but high temperature stability performance is poor, noise is big, and intensive is used as antiskid table with bituminous concrete
Layer, surface gathered water has little time to drain, and easily causes water smoke, dazzle, galloping water drift easily occurs, has a strong impact on pavement skid resistance
Performance and traffic safety.On the other hand, the area above of city 70% is hardened structures (building, urban road, square etc.)
Covering, considerably increases the source of pollutant, has further aggravated the degree of rainwater runoff pollution.Research shows, urban surface
Runoff is the Urban Water Environment pollution sources for being only second to city domestic sewage and industrial wastewater.
Voidage 15%~25% or so after penetrated asphalt pavement or porous asphalt pavement, finger pressure reality, can be in mixing
Material is internally formed the Novel asphalt concrete surface layer of drainage channel, and it is substantially single particle size rubble according to embedded squeezing mechanism formation bone
The open gradation asphalt of frame-gap structure, makees top layer using Asphalt mix for open-graded friction course, rainfall is penetrated into drain function
Layer, and by laterally discharging rainwater in layer, so as to eliminate the road table moisture film for bringing many driving detrimental effects, significantly improve
Security, the comfortableness of rainy day driving.
However, the high-viscosity asphalt that China's water-permeating pitch mixed material is used at present often relies on import Japan TPS high-viscosity asphalts
Or TPS high adhered modification agent, involve great expense.The many experts and scholars of China also have made intensive studies to high-viscosity asphalt, although these
Technology can make 60 DEG C of viscosity of pitch reach more than 20000Pa.s, but the asphalt modifier or bitumen modifying process used, fail
Fully solve the problem of modified pitch low-temperature stability is poor.In addition, there is not yet diafiltration material is successfully applied to pervious asphalt mixing
It is used to the report of purifying contaminated water quality in material.
The defect existed in view of above-mentioned existing pervious asphalt material, the present inventor is based on being engaged in such product design system
Practical experience and professional knowledge abundant for many years is made, and coordinates the utilization of scientific principle, is actively subject to research and innovation, to found one kind
Multi-functional water-permeating pitch mixed material and preparation method thereof, makes it have more practicality.By constantly research, design, and through anti-
After retrial is made sample and improved, the present invention having practical value is created finally.
The content of the invention
It is a primary object of the present invention to, the defect for overcoming existing pervious asphalt material to exist, and a kind of many work(are provided
Can water-permeating pitch mixed material and preparation method thereof, with draining, water purification, decrease of noise functions modified asphalt mixture so that more
Suitable for practicality, and with the value in industry.
The object of the invention to solve the technical problems is realized using following technical scheme.According to present invention proposition
Multi-functional water-permeating pitch mixed material, include each component of following mass parts,
100 parts of mineral aggregates, 4~6 parts of modified pitch and 0.1~0.5 part of fiber stabilizer；
The mineral aggregate is made up of coarse aggregate, fine aggregate, diafiltration material and miberal powder；
The modified pitch is by 100 parts of matrix pitches, 4~8 parts of SBS, 8~12 parts of shoddies, 0.4~0.9 part of MWCNT and
2~5 parts of tackifier are prepared from；
The fiber stabilizer is lignin fibre, mineral fibres or the polyester fiber one or two kinds of and above therein
Mixture.
Further, foregoing multi-functional water-permeating pitch mixed material, described diafiltration material is volcanic rock, activated carbon,
The mixture of haydite, zeolite or crab shell-clam shell powder one of which or two kinds and the above.Above different materials are selected, without going
From black earth, Jiang Sha, sandy loam or meadow soil, the intensity and durability of compound, selected diafiltration material tool are allowed for
There is certain graininess and robustness.
Further, foregoing multi-functional water-permeating pitch mixed material, the granularity of the diafiltration material is 0~4.75mm.
The asphalt skeleton structure in big space is mainly made up of the coarse aggregate of more than 4.75mm particle diameters, and below fine aggregate 4.75mm rises
Filling effect, although diafiltration material has certain robustness, but solid less than coarse aggregates such as basalt, for compound
Intensity, the present invention only with 0~4.75mm.
Further, foregoing multi-functional water-permeating pitch mixed material, the SBS is star-like, and S/B is 35/65, molecular weight
For 250,000~350,000.Linear SBS relative molecular weights are low, and dissolubility is good, and viscosity is small, and cohesive strength is relatively low.Star-shaped sbs average molecular
Amount is high, and cohesive strength is big, and physical crosslinking density is big, and heat resistance and the linear SBS of modular ratio are high.
Further, foregoing multi-functional water-permeating pitch mixed material, the scrap rubber Powder Particle Size is 30~50 mesh, by natural
The shoddy of scrap gum and the junked tire production of rubber is combined, and it can be sheared as thinner rubber powder, price
It is less expensive.
Further, foregoing multi-functional water-permeating pitch mixed material, a diameter of 25~35nm of MWCNT, length is 5
~15 μm, specific surface area is 100~120m2/g.Distributions of the MWCNT in pitch is in polytropism, thus crisscross in pitch
Intertexture forms net distribution, has played the effect of network filling, and its specific surface area and draw ratio are all very big in addition, make it have good
Good suction-operated, and the bond area in the longitudinal direction with pitch is big, the internal friction in its unit area is just significantly
Improve, it is big from macro manifestations into viscosity.
Further, foregoing multi-functional water-permeating pitch mixed material, the tackifier are terpene resin, the increasing of octyl group phenolic aldehyde
Viscosity resin or modified resorcinol resin it is therein any one, it is preferable in the compatibility of SBS systems hot melt colloid.
Foregoing multi-functional water-permeating pitch mixed material is prepared, the modified pitch is adopted to be prepared with the following method, and matrix is dripped
Green grass or young crops is heated to 180 DEG C, adds the SBS and 1%~3% tackifier for accounting for matrix pitch 1%~3%, and shoddy adds 8%~10% first
30min is stirred, 1h, 160 DEG C of development 1h are then sheared with 6000rpm at 190 DEG C, MWCNT0.1%~0.3% is added,
30min, 160 DEG C of development 1h are sheared with 5000rpm at 160 DEG C, modified pitch is obtained.According to JTG F40-2004《Highway asphalt
Pavement construction technical specification》Middle OGFC asphalts preparation method carries out the preparation of Multifunctional asphalt compound.
By above-mentioned technical proposal, multi-functional water-permeating pitch mixed material of the invention and preparation method thereof at least has following
Advantage：
1. multi-functional water-permeating pitch mixed material proposed by the present invention, its Mineral Material contains diafiltration material, diafiltration material is used
The material that volcanic rock, activated carbon, haydite, zeolite or crab shell-clam shell powder etc. are with low cost, be readily available, can not only be realized pair
Effective control of rainwater runoff pollution, reaches and makes full use of rainwater resource, the purpose of recharge groundwater resource, moreover it is possible to effectively drop
Low preparation cost.
2. it is compound using MWCNT and SBS to prepare the modified pitch that multi-functional water-permeating pitch mixed material uses, pitch can be made
Anti-shearing deformability be significantly improved, and then increase the structure durability of drainage index, i.e. low-temperature stability；
Because MWCNT is combined preferably with asphalt interface, the internal friction in its unit area is considerably improved, from determining for its viscosity
Justice is set out, and its anti-shearing ability is increased considerably with the increase of internal friction, and then macro manifestations go out preferable shearing resistance
Cut ability.Said from microcosmic angle, internetwork interaction constrains the movement between pitch phase, limits pitch colloform texture
Mobility, make it difficult to produce relative displacement, resistance external force ability greatly enhance, and then macroscopically show as its viscosity and
The raising of high temperature deformation resistance ability.The system of multi-functional water-permeating pitch mixed material can significantly be reduced using homemade modified pitch
Standby cost.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, described in detail below with presently preferred embodiments of the present invention as after.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to according to this
The multi-functional water-permeating pitch mixed material of proposition and preparation method thereof its embodiment, feature and its effect are invented, specifically
It is bright as after.
Embodiment 1
Prepare modified pitch：
Finished product 70# matrix pitches are heated to 180 DEG C, 2% SBS and 2% tackifier terpene resin, 8% scrap rubber is added
Powder, first stirs 30min, then shears 1h, 160 DEG C of development 1h with 6000rpm at 190 DEG C, MWCNT0.2% is added, 160
30min, 160 DEG C of development 1h are sheared with 5000rpm at DEG C, modified pitch is obtained.
Prepare multi-functional water-permeating pitch mixed material：
(1) level matches somebody with somebody as follows, and bitumen aggregate ratio is 4.8%, and diafiltration material replaces 50% fine aggregate in equal volume.
(2) preparation technology
| Mineral heating up temperature | 190~200 DEG C |
| Asphalt heating temperature | 180℃ |
| Asphalt mixes and stirs temperature | 185-190℃ |
| Beat numbers temperature | 170℃ |
Embodiment 2：
Prepare modified pitch：
Finished product 70# matrix pitches are heated to 180 DEG C, 3% SBS and 1.5% tackifier terpene resin is added, 8% gives up
Rubber powder, first stirs 30min, then shears 1h, 160 DEG C of development 1h with 6000rpm at 190 DEG C, adds MWCNT0.3%,
30min, 160 DEG C of development 1h are sheared with 5000rpm at 160 DEG C, modified pitch is obtained.
Prepare multi-functional water-permeating pitch mixed material：
(1) level matches somebody with somebody as follows, and bitumen aggregate ratio is 4.8%, and diafiltration material replaces 30% fine aggregate in equal volume.
(2) preparation technology
| Mineral heating up temperature | 190~200 DEG C |
| Asphalt heating temperature | 180℃ |
| Asphalt mixes and stirs temperature | 185-190℃ |
| Beat numbers temperature | 170℃ |
Embodiment 3：
Prepare modified pitch：
Finished product 70# matrix pitches are heated to 180 DEG C, 3% SBS and 2% tackifier terpene resin, 8% scrap rubber is added
Powder, first stirs 30min, then shears 1h, 160 DEG C of development 1h with 6000rpm at 190 DEG C, MWCNT0.2% is added, 160
30min, 160 DEG C of development 1h are sheared with 5000rpm at DEG C, modified pitch is obtained.
Prepare multi-functional water-permeating pitch mixed material：
(1) level matches somebody with somebody as follows, and bitumen aggregate ratio is 4.8%, and diafiltration material replaces 10% fine aggregate in equal volume.
(2) preparation technology
| Mineral heating up temperature | 190~200 DEG C |
| Asphalt heating temperature | 180℃ |
| Asphalt mixes and stirs temperature | 185-190℃ |
| Beat numbers temperature | 170℃ |
Comparative example：
Using Japanese TPS high-viscosity asphalts, water-permeating pitch mixed material is prepared：
(1) level matches somebody with somebody as follows, and bitumen aggregate ratio is 4.8%, without diafiltration material.
(2) preparation technology
| Mineral heating up temperature | 190~200 DEG C |
| Asphalt heating temperature | 180℃ |
| Asphalt mixes and stirs temperature | 185-190℃ |
| Beat numbers temperature | 170℃ |
Performance to each material in embodiment 1~3 is tested, as a result as shown in the table：
As can be seen from the above table, its every technology of the multi-functional water-permeating pitch mixed material of the preparation of Application Example 1~3 refers to
Mark is satisfied by technical requirements, and SS, COD adsorption rate are obviously improved than being not added with being percolated the asphalt of material, can
Play water purification effect.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations,
In every case it is the content without departing from technical solution of the present invention, the technical spirit according to the present invention is made to above example
Any simple modification, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (8)
1. a kind of multi-functional water-permeating pitch mixed material, it is characterised in that：Include each component of following mass parts,
100 parts of mineral aggregates, 4 ~ 6 parts of modified pitch and 0.1 ~ 0.5 part of fiber stabilizer；
The mineral aggregate is made up of coarse aggregate, fine aggregate, diafiltration material and miberal powder；
The modified pitch is by 100 parts of matrix pitches, 4 ~ 8 parts of SBS, 8 ~ 12 parts of shoddies, 0.4 ~ 0.9 part of MWCNT and 2 ~ 5 part of increasing
Stick is prepared from；
The fiber stabilizer is the mixing of lignin fibre, mineral fibres or the polyester fiber one or two kinds of and above therein
Thing.
2. multi-functional water-permeating pitch mixed material according to claim 1, it is characterised in that：Described diafiltration material is volcano
The mixture of rock, activated carbon, haydite, zeolite or crab shell-clam shell powder one of which or two kinds and the above.
3. multi-functional water-permeating pitch mixed material according to claim 2, it is characterised in that：It is described diafiltration material granularity be
0~4.75mm。
4. multi-functional water-permeating pitch mixed material according to claim 1, it is characterised in that：The SBS is star-like, and S/B is
35/65, molecular weight is 250,000 ~ 350,000.
5. multi-functional water-permeating pitch mixed material according to claim 1, it is characterised in that：The scrap rubber Powder Particle Size be 30 ~
50 mesh, the shoddy produced by the scrap gum and junked tire of natural rubber is combined.
6. multi-functional water-permeating pitch mixed material according to claim 1, it is characterised in that：The MWCNT a diameter of 25 ~
35nm, length is 5 ~ 15 μm, and specific surface area is 100 ~ 120m2/g。
7. multi-functional water-permeating pitch mixed material according to claim 1, it is characterised in that：The tackifier are terpenes tree
Fat, octyl group phenolic tackifying resins or modified resorcinol resin it is therein any one.
8. prepare the multi-functional water-permeating pitch mixed material described in any one of claim 1 ~ 7, it is characterised in that：The modified pitch
Adopt and prepare with the following method, matrix pitch is heated to 180 DEG C, add 1% ~ 3% SBS and 1% ~ 3% tackifier, first stir
30min, then at 190 DEG C with 6000rpm shear 1h, 160 DEG C development 1h, add MWCNT0.1% ~ 0.3%, at 160 DEG C with
5000rpm shears 30min, 160 DEG C of development 1h, obtains modified pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710308612.0A CN107129195B (en) | 2017-05-04 | 2017-05-04 | Multifunctional permeable asphalt mixture and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308612.0A CN107129195B (en) | 2017-05-04 | 2017-05-04 | Multifunctional permeable asphalt mixture and preparation method thereof |
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| CN107129195A true CN107129195A (en) | 2017-09-05 |
| CN107129195B CN107129195B (en) | 2020-02-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485308A (en) * | 2018-12-29 | 2019-03-19 | 中建商品混凝土有限公司 | A kind of pervious asphalt concrete surface chimeric material of drainage and preparation method thereof |
| CN109811616A (en) * | 2019-01-24 | 2019-05-28 | 温州泽荣建设工程有限公司 | A kind of road drainage structure |
| CN111393865A (en) * | 2020-05-27 | 2020-07-10 | 吴碧玉 | High-viscosity modified asphalt and preparation method thereof |
| CN113636785A (en) * | 2021-07-26 | 2021-11-12 | 温州市凯安建设有限公司 | Permeable asphalt mixture |
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| CN1936186A (en) * | 2006-10-17 | 2007-03-28 | 中国建筑第八工程局 | Water-permeating pitch mixed material and production method |
| CN101219869A (en) * | 2007-12-28 | 2008-07-16 | 哈尔滨工业大学 | Porcelain granule sheet pavement material and method for paving road surface with porcelain granule sheet pavement material |
| CN103224347A (en) * | 2013-05-08 | 2013-07-31 | 武汉钢铁(集团)公司 | Steel slag permeable asphalt mixture |
| CN105235309A (en) * | 2015-09-24 | 2016-01-13 | 天长市金牛防水防腐材料有限公司 | Elastomer modified bitumen waterproof coil material |
| US20160208140A1 (en) * | 2015-01-16 | 2016-07-21 | Shenzhen Traffic Construction Engineering Test & Detection Center | Resinous Penetration Permeable Pavement Material and Manufacturing Method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936186A (en) * | 2006-10-17 | 2007-03-28 | 中国建筑第八工程局 | Water-permeating pitch mixed material and production method |
| CN101219869A (en) * | 2007-12-28 | 2008-07-16 | 哈尔滨工业大学 | Porcelain granule sheet pavement material and method for paving road surface with porcelain granule sheet pavement material |
| CN103224347A (en) * | 2013-05-08 | 2013-07-31 | 武汉钢铁(集团)公司 | Steel slag permeable asphalt mixture |
| US20160208140A1 (en) * | 2015-01-16 | 2016-07-21 | Shenzhen Traffic Construction Engineering Test & Detection Center | Resinous Penetration Permeable Pavement Material and Manufacturing Method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485308A (en) * | 2018-12-29 | 2019-03-19 | 中建商品混凝土有限公司 | A kind of pervious asphalt concrete surface chimeric material of drainage and preparation method thereof |
| CN109485308B (en) * | 2018-12-29 | 2021-07-06 | 中建商品混凝土有限公司 | Water-filtering embedded material for permeable asphalt concrete surface and preparation method thereof |
| CN109811616A (en) * | 2019-01-24 | 2019-05-28 | 温州泽荣建设工程有限公司 | A kind of road drainage structure |
| CN111393865A (en) * | 2020-05-27 | 2020-07-10 | 吴碧玉 | High-viscosity modified asphalt and preparation method thereof |
| CN113636785A (en) * | 2021-07-26 | 2021-11-12 | 温州市凯安建设有限公司 | Permeable asphalt mixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107129195B (en) | 2020-02-11 |
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