CN106186838A - A kind of rubber asphalt Matrix mixing material exempting from lignin - Google Patents
A kind of rubber asphalt Matrix mixing material exempting from lignin Download PDFInfo
- Publication number
- CN106186838A CN106186838A CN201610560484.4A CN201610560484A CN106186838A CN 106186838 A CN106186838 A CN 106186838A CN 201610560484 A CN201610560484 A CN 201610560484A CN 106186838 A CN106186838 A CN 106186838A
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- Prior art keywords
- lignin
- rubber
- breeze
- asphalt
- aggregate
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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
- C04B2111/00474—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)
Abstract
The invention discloses a kind of rubber asphalt Matrix mixing material exempting from lignin, described compound is the dwell set all-in-one-piece compound of the coarse aggregate aggregate being made up of and being filled in gap grading rubberized asphalt binder, fine aggregate and breeze, wherein: fine aggregate, breeze, the mass ratio of coarse aggregate are 10～20:15～30:60～80, the quality of rubberized asphalt binder is the 5～15% of the gross weight of coarse aggregate, fine aggregate and breeze.The present invention selects rubber asphalt to replace polymer modified asphalt, and in the case of same type gap grading stone mastic asphalt, can remove the incorporation of lignocellulose from, reduces production cost, and the various performance of product is the most further improved simultaneously.
Description
Technical field
The invention belongs to field of material technology, relate to a kind of mastic-broken stone mixture.
Background technology
The bitumastic being made up of the breeze of asphalt binder with a small amount of fiber stabilizer, fine aggregate and more amount
It is filled in the gap of the coarse aggregate skeleton of gap grading, organizes all-in-one-piece asphalt, we term it bitumastic is broken
Stone compound.Manufacture mastic-broken stone mixture and must use fiber stabilizer, its role is to play reinforcement, disperse, adsorb,
Stablizing and viscosifying action, fiber has become as its necessary composition.
Rubber asphalt is Colophonium, rubber powder of waste tire and the mixture of some additive composition, and wherein rubber powder content is not
Less than 15%, and in heated bitumen, produce the expansion of rubber powder granule.The advantage of rubber asphalt is:
(1) low-temperature resistance cracking.Owing to rubber asphalt cold snap-back performance is good, glutinous good toughness, road surface cold cracking can be resisted,
Especially in cold area in north, reflection crack during for reducing pavement cracking or keeping in repair old road, highly effective.
(2) high-temperature stability is good.Road surface during high temperature can be solved and produce the rheological phenomena such as rut, washboard.
(3) ageing resistace is good.Insensitive to the ultraviolet in sunlight.
(4) resisting fatigue, abrasion performance.
Evaluation to rubber asphalt performance: we use following index: 1) ball in-degree and resilience: mainly investigate rubber drip
Blue or green performance in screening seal coat.2) flow valuve: the viscosity of main reflection rubber asphalt and high-temperature stability.3) pressure is extensive
Multiple: the ability of main reflection rubber asphalt opposing stress deformation.When pressure recovery numerical value is relatively low, the formation of rubber asphalt state is described
Not thorough, concrete reason is probably the result of the combined factors effects such as temperature, dosage, machinery.
Summary of the invention
It is an object of the invention to provide a kind of rubber asphalt Matrix mixing material exempting from lignin, by a large amount of laboratory tests
Show with knowhow, produce mastic-broken stone mixture with rubber asphalt, completely can be in order to avoid mixing cellulose.
It is an object of the invention to be achieved through the following technical solutions:
A kind of rubber asphalt Matrix mixing material exempting from lignin, for by rubberized asphalt binder, fine aggregate and more
The filler (breeze) of amount forms and is filled in the dwell set all-in-one-piece compound of coarse aggregate aggregate of gap grading, wherein: thin
Gather materials, the mass ratio of filler (breeze), coarse aggregate is 10～20:15～30:60～80, and the quality of rubberized asphalt binder is thick
Gather materials, the 5～15% of the gross weight of fine aggregate and filler (breeze).
In the present invention, described rubberized asphalt binder is the mixed of matrix pitch, rubber powder of waste tire and additive composition
Compound, wherein: rubber powder of waste tire produces the expansion of rubber powder granule in heated bitumen, its mass content is 15～30%, adds
Adding agent mass content is 2.5～10%, and remaining is matrix pitch.
In the present invention, described rubber asphalt Matrix mixing material is identical with the production equipment of other asphalt, all adopts
Produce with batch (-type) mixing machine.
The present invention selects rubber asphalt to replace polymer modified asphalt, and broken at same type gap grading bitumastic
In the case of stone compound, can remove the incorporation of lignocellulose from, reduce production cost, the various performance of product all obtains into one simultaneously
The improvement of step.
Detailed description of the invention
Below technical scheme is further described, but is not limited thereto, every to the technology of the present invention
Scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention, all should contain in the present invention
Protection domain in.
Detailed description of the invention one: present embodiments provide for a kind of rubber asphalt Matrix mixing material exempting from lignin, tool
Body includes herein below:
One, main research:
1, the viscosity that rubber asphalt is suitable is determined.The essence that the viscosity index of rubber asphalt can react rubber asphalt is special
Property, what it was measured is the resistance of rubber asphalt flowing, and this resistance has indirectly reacted the quality of rubber asphalt.Rubber asphalt glues
Degree the most largely represents the quality of rubber asphalt performance, therefore, mixes in order to produce the matizhi exempting from lignin
Close the rubber asphalt used by material, first have to it is confirmed that suitable range of viscosities.
2, compare exempt from the rubber asphalt Matrix mixing material of lignin and stone mastic asphalt high-temperature behavior,
Gap in terms of cryogenic property and water stabilizing, and weigh rubber asphalt Matrix mixing material excellent exempting from lignin accordingly
Bad.
Two, key technology:
1, suitable rubber asphalt viscosity.In rubber asphalt, the volume of shoddy is the highest, and its viscosity can be the biggest.Lot of experiments
Showing, rubber powder volume is when 15% time, and rubber asphalt viscosity build rate is low.When more than 15%, rubber asphalt viscosity build accelerates.
But, when volume is more than 30%, increasing of viscosity is made troubles to processing and the construction of rubber asphalt, and therefore rubber powder content limits
Between 15～30%, meanwhile, viscosity index is limited to 20～40d.Pa.s.A large number of experiments show that, volume now and viscosity
Scope, is the optimum condition scope exempting from lignin fibre rubber asphalt Matrix mixing material.
2, proportioning raw materials: fine aggregate, filler (breeze), the mass ratio of coarse aggregate are 10～20:15～30:60～80, rubber
The quality of glue asphalt binder is the 5～15% of the gross weight of coarse aggregate, fine aggregate and filler (breeze).Described rubber asphalt is tied
Closing material is matrix pitch, rubber powder of waste tire and the mixture of additive composition, wherein: rubber powder of waste tire mass content
Being 15～30%, additive mass content is 2.5～10%, and remaining is matrix pitch.
3, take the gap gradation that stone mastic asphalt is identical, exempt from the rubber-asphalt mixture performance system of lignin
Count as follows:
As can be seen here, each performance that this rubber asphalt Matrix mixing material exempting from lignin is showed is the most excellent
Different.Bridge pioneer crossing, Xuanhua, Harbin in 2011 section lays this rubber asphalt Matrix mixing material exempting from lignin, the most not
Produce any road disease.
Detailed description of the invention two: present embodiment is unlike detailed description of the invention one: fine aggregate, filler (breeze),
The mass ratio of coarse aggregate is 12:16:65, and the quality of rubberized asphalt binder is the total of coarse aggregate, fine aggregate and filler (breeze)
The 8% of weight.
Detailed description of the invention three: present embodiment is unlike detailed description of the invention one, two: fine aggregate, filler (ore deposit
Powder), the mass ratio of coarse aggregate be 15:20:70, the quality of rubberized asphalt binder is coarse aggregate, fine aggregate and filler (breeze)
Gross weight 10%.
Detailed description of the invention four: present embodiment is unlike detailed description of the invention one, two, three: fine aggregate, filler
The mass ratio of (breeze), coarse aggregate is 18:25:75, and the quality of rubberized asphalt binder is coarse aggregate, fine aggregate and filler (ore deposit
Powder) gross weight 12%.
Detailed description of the invention five: present embodiment is unlike detailed description of the invention one～four: rubber powder of waste tire
Mass content is 18%, and additive mass content is 4%.
Detailed description of the invention six: present embodiment is unlike detailed description of the invention one～five: rubber powder of waste tire
Mass content is 22%, and additive mass content is 6%.
Detailed description of the invention seven: present embodiment is unlike detailed description of the invention one～six: rubber powder of waste tire
Mass content is 28%, and additive mass content is 8%.
Claims (10)
1. the rubber asphalt Matrix mixing material exempting from lignin, it is characterised in that described compound is for be combined by rubber asphalt
Material, fine aggregate and breeze form and are filled in the dwell set all-in-one-piece compound of coarse aggregate aggregate of gap grading, wherein:
Fine aggregate, breeze, the mass ratio of coarse aggregate are 10～20:15～30:60～80, and the quality of rubberized asphalt binder is rough set
The 5～15% of the gross weight of material, fine aggregate and breeze.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 1, it is characterised in that described rubber drips
Blue or green binder is matrix pitch, rubber powder of waste tire and the mixture of additive composition.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 2, it is characterised in that described waste and old take turns
The mass content of tire rubber powder is 15～30%, and additive mass content is 2.5～10%, and remaining is matrix pitch.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 1 and 2, it is characterised in that described rubber
The viscosity of asphalt binder is 20～40d.Pa.s.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 1, it is characterised in that described fine aggregate,
Breeze, the mass ratio of coarse aggregate are 12:16:65, and the quality of rubberized asphalt binder is the gross weight of coarse aggregate, fine aggregate and breeze
The 8% of amount.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 1, it is characterised in that described fine aggregate,
Breeze, the mass ratio of coarse aggregate are 15:20:70, and the quality of rubberized asphalt binder is coarse aggregate, fine aggregate and filler breeze
The 10% of gross weight.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 1, it is characterised in that described fine aggregate,
Breeze, the mass ratio of coarse aggregate are 18:25:75, and the quality of rubberized asphalt binder is the gross weight of coarse aggregate, fine aggregate and breeze
The 12% of amount.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 2, it is characterised in that described waste and old take turns
Tire rubber powder mass content is 18%, and additive mass content is 4%.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 2, it is characterised in that described waste and old take turns
Tire rubber powder mass content is 22%, and additive mass content is 6%.
The rubber asphalt Matrix mixing material exempting from lignin the most according to claim 2, it is characterised in that described waste and old take turns
Tire rubber powder mass content is 28%, and additive mass content is 8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560484.4A CN106186838B (en) | 2016-07-15 | 2016-07-15 | A kind of rubber asphalt Matrix mixing material for exempting from lignin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610560484.4A CN106186838B (en) | 2016-07-15 | 2016-07-15 | A kind of rubber asphalt Matrix mixing material for exempting from lignin |
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| CN106186838A true CN106186838A (en) | 2016-12-07 |
| CN106186838B CN106186838B (en) | 2019-01-25 |
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| CN201610560484.4A Active CN106186838B (en) | 2016-07-15 | 2016-07-15 | A kind of rubber asphalt Matrix mixing material for exempting from lignin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382150A (en) * | 2017-07-28 | 2017-11-24 | 甘肃省交通科学研究院有限公司 | The rubber asphalt Matrix mixing material and preparation method that can adapt to cold area's weather conditions of a kind of rich rubber asphalt content |
| CN110407513A (en) * | 2019-08-20 | 2019-11-05 | 中国港湾工程有限责任公司 | Asphalt and preparation method thereof suitable for airfield runway |
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| CN104072024A (en) * | 2014-06-09 | 2014-10-01 | 四川航天五源复合材料有限公司 | Preparation process of asphalt mixture |
| CN104926202A (en) * | 2015-07-10 | 2015-09-23 | 四川航天五源复合材料有限公司 | bituminous mixture |
| CN104986992A (en) * | 2015-07-10 | 2015-10-21 | 四川航天五源复合材料有限公司 | Asphalt mixture pavement |
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2016
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| RU2131854C1 (en) * | 1998-07-06 | 1999-06-20 | Руденский Андрей Владимирович | Method of producing mineral powder for asphalt concrete mixes |
| CN102807339A (en) * | 2012-08-23 | 2012-12-05 | 同济大学 | Coarse colloidal particle and rubber asphalt mixed material |
| CN104058638A (en) * | 2014-06-09 | 2014-09-24 | 四川航天五源复合材料有限公司 | Bituminous mixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382150A (en) * | 2017-07-28 | 2017-11-24 | 甘肃省交通科学研究院有限公司 | The rubber asphalt Matrix mixing material and preparation method that can adapt to cold area's weather conditions of a kind of rich rubber asphalt content |
| CN110407513A (en) * | 2019-08-20 | 2019-11-05 | 中国港湾工程有限责任公司 | Asphalt and preparation method thereof suitable for airfield runway |
| CN110407513B (en) * | 2019-08-20 | 2021-09-07 | 中国港湾工程有限责任公司 | Asphalt mixture suitable for airport runway and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106186838B (en) | 2019-01-25 |
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