CN101798196B - Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement - Google Patents
Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement Download PDFInfo
- Publication number
- CN101798196B CN101798196B CN 201010125128 CN201010125128A CN101798196B CN 101798196 B CN101798196 B CN 101798196B CN 201010125128 CN201010125128 CN 201010125128 CN 201010125128 A CN201010125128 A CN 201010125128A CN 101798196 B CN101798196 B CN 101798196B
- Authority
- CN
- China
- Prior art keywords
- fibre
- resistance
- bituminous pavement
- assorted fibre
- assorted
- 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.)
- Active
Links
Abstract
The invention relates to an additive capable of improving bituminous pavement property, in particular to an assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement. The invention aims to solve the problems of low combination property and high cost in the prior art. The adopted technical scheme is as follows: the assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement comprises 15-35% of polyester fibre, 35-55% of wood fiber, 15-35% of polyacrylonitrile fibre and 15-35% of vinylon fiber. Compared with the prior art, the invention has the advantage of favorable effect; and the technology of the invention can better improve the shear resistance and the anti-rutting property of asphalt mastic, has favorable non-deformability and provides an effective path for realizing the purposes of strengthening, toughening, saving construction cost and lightening concrete deadweight.
Description
Technical field:
The present invention relates to a kind of additive that can improve bituminous pavement property, be specifically related to a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance.
Background technology:
Existing cracking resistance, the fracture resistance of bituminous pavement in order to strengthen the road surface; Generally in asphalt, add single man-made fiber or wood fibre; Though this asphalt that is mixed with single fiber has strengthened cracking resistance, the water resistance of asphalt to a certain extent, be to use in the fibrous concrete of single fiber fibers content general all bigger and be difficult to realize not only strengthen but also toughness reinforcing purpose, over-all properties is not high; The cost that has is high, has influenced the popularization and the use of fiber mixture.
Summary of the invention:
The purpose of this invention is to provide a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance, the over-all properties that exists with the solution prior art is not high, the problem that cost is high.
In order to solve the problem that prior art exists; The technical scheme that the present invention adopts is: a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance; Comprise trevira: 15%-35%; Wood fibre: 35%-55%, polyacrylonitrile fibre: 15%-35%, vinylon fibre: 15%-35%.
Above-mentioned assorted fibre is in use: the weight ratio of assorted fibre and compound is 3～6: 1000.
The method of use of above-mentioned assorted fibre is: conjugated fibre is added in the asphalt mixer with gathering materials simultaneously, earlier with gather materials dry mixing 30-60 second, so add pitch wet-mixing 30-60 second again.Can obtain fiber mixture.
Compared with prior art, advantage of the present invention is:
The present invention is the blend fiber material that the fiber composite proportioning of four kinds of different diameters, different tensile strength, different Young's modulus is processed; Be added in the asphalt and stir; Multiple fiber three-dimensional random in bituminous concrete distributes; Various fibers are displayed one's respective advantages: wood fibre can increase the oil absorbency of compound, helps stabilized free pitch, and the assorted fibre that contains the 35%-55% wood fibre can improve the anti-shearing of asphalt mastic and rut performance preferably.Other man-made fiber fibers more help reinforcement and the tackify to compound; Wherein the polyacrylonitrile fibre with high elastic coefficient improves concrete intensity; Trevira and vinylon fibre with low elastic modulus improve concrete toughness; Four kinds of fibers have formed the concrete fiber system of putting more energy into, and make the elasticity of asphalt improve 12%, make it have good non-deformability; The crack resistance at low-temperature of bituminous concrete improves 9%, and still keeps snappiness and advantages of higher tensile strength under the low temperature, effectively resists string stress, reduces warm draw seam.The cracking that has blocked compound has improved the self-healing ability of bituminous pavement crackle, has reduced the appearance of crackle.Be to realize not only strengthening but also toughness reinforcing, save construction costs, alleviate an effective way of concrete deadweight.
In this matrix material; Various fibre tensile strengths are different, Young's modulus is different, evenly mix branch in compound, can give full play to performance separately; Form the composite reinforced system of a kind of strong and weak complementary; Over-all propertieies such as cracking resistance is withstand voltage improve more than 15% than the single filamentary material that uses in the present pitch, use wood fibre cheaply in the assorted fibre in a large number, make cost reduce greatly.Compare with adding single trevira, cost descends 21%, compares with adding single polyacrylonitrile fibre, and cost descends 17%.
Be applicable to bituminous pavement, in the engineerings such as airfield runway.
Embodiment: please carefully check data, preferably can have corresponding experimental data to come proving effect.
Below in conjunction with specific embodiment the present invention is done detailed description.
Embodiment 1, a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance, component that comprises and weight percent thereof are: trevira: 35%, wood fibre: 35%, polyacrylonitrile fibre: 15%, vinylon fibre: 15%.
Preparing method: according to said ratio fiber is put into stirrer, stir and be conjugated fibre in 25 seconds.
The method of use of above-mentioned assorted fibre is: gathering materials of 3 kilograms conjugated fibres and 1000 kilograms added in the asphalt mixer simultaneously, earlier with gather materials dry mixing 60 seconds, added the pitch wet-mixing again 30 seconds, can obtain fiber mixture.
Embodiment 2, a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance, component that comprises and weight percent thereof are: trevira: 15%, wood fibre: 55%, polyacrylonitrile fibre: 15%, vinylon fibre: 15%.
Preparing method: according to said ratio fiber is put into stirrer, stir and be conjugated fibre in 30 seconds.
The method of use of above-mentioned assorted fibre is: gathering materials of 6 kilograms conjugated fibres and 1000 kilograms added in the asphalt mixer simultaneously, earlier with gather materials dry mixing 30 seconds, added the pitch wet-mixing again 60 seconds, can obtain fiber mixture.
Embodiment 3, a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance, component that comprises and weight percent thereof are: trevira: 15%, wood fibre: 45%, polyacrylonitrile fibre: 25%, vinylon fibre: 15%.
Preparing method: according to proportioning fiber is put into stirrer, stir and be conjugated fibre in 35 seconds.
The method of use of above-mentioned assorted fibre is: gathering materials of 4 kilograms conjugated fibres and 1000 kilograms added in the asphalt mixer simultaneously, earlier with gather materials dry mixing 45 seconds, added the pitch wet-mixing again 40 seconds, can obtain fiber mixture.
With embodiment 3 is most preferred embodiment.
Claims (3)
1. the assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance comprises trevira: 15%-35%, wood fibre: 35%-55%, polyacrylonitrile fibre: 15%-35%, vinylon fibre: 15%-35%.
2. a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance as claimed in claim 1 is characterized in that: said assorted fibre in use: the weight ratio of assorted fibre and compound is 3～6:1000.
3. according to claim 1 or claim 2 a kind of assorted fibre that can improve bituminous pavement cracking resistance and fracture resistance; It is characterized in that: the method for use of said assorted fibre is: assorted fibre is added in the asphalt mixer with gathering materials simultaneously; Earlier with gather materials dry mixing 30-60 second, so add pitch wet-mixing 30-60 second again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010125128 CN101798196B (en) | 2010-03-16 | 2010-03-16 | Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010125128 CN101798196B (en) | 2010-03-16 | 2010-03-16 | Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101798196A CN101798196A (en) | 2010-08-11 |
| CN101798196B true CN101798196B (en) | 2012-08-29 |
Family
ID=42594061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010125128 Active CN101798196B (en) | 2010-03-16 | 2010-03-16 | Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101798196B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2465231C1 (en) * | 2011-05-11 | 2012-10-27 | Закрытое Акционерное Общество "Холдинговая Компания "Композит" | Asphalt mix and method for preparation thereof |
| CN103553389B (en) * | 2013-10-18 | 2014-09-24 | 汇通路桥建设集团有限公司 | Interwoven composite fiber for improving pavement performance of asphalt mixture |
| CN109704649B (en) * | 2019-01-21 | 2021-08-10 | 中南林业科技大学 | Modified bamboo fiber asphalt mixture and preparation method thereof |
| CN113277779A (en) * | 2021-07-02 | 2021-08-20 | 上海繁荣道路建设工程有限公司 | Asphalt mixture and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105784A (en) * | 1986-07-30 | 1988-02-10 | 刘双武 | The fine machine of the dry bulking method of vinylon tow and soft fibre separating |
| CN1786347A (en) * | 2004-12-09 | 2006-06-14 | 深圳市海川实业股份有限公司 | Mixture material with horseshoe rouge crushed stones of mixing fibre asphalt for thin layer covering surface structure |
| CN1908069A (en) * | 2005-08-01 | 2007-02-07 | 深圳市海川实业股份有限公司 | Mixture of special-shaped section hollow polymer fiber and modified asphalt |
-
2010
- 2010-03-16 CN CN 201010125128 patent/CN101798196B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105784A (en) * | 1986-07-30 | 1988-02-10 | 刘双武 | The fine machine of the dry bulking method of vinylon tow and soft fibre separating |
| CN1786347A (en) * | 2004-12-09 | 2006-06-14 | 深圳市海川实业股份有限公司 | Mixture material with horseshoe rouge crushed stones of mixing fibre asphalt for thin layer covering surface structure |
| CN1908069A (en) * | 2005-08-01 | 2007-02-07 | 深圳市海川实业股份有限公司 | Mixture of special-shaped section hollow polymer fiber and modified asphalt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101798196A (en) | 2010-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102745946B (en) | Asphalt pavement material and preparation method thereof | |
| CN102786258B (en) | Crack self-healing bituminous concrete and preparation method thereof | |
| CN101798196B (en) | Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement | |
| CN109704649B (en) | Modified bamboo fiber asphalt mixture and preparation method thereof | |
| CN106633606A (en) | Colored asphalt cementing material suitable for heavy traffic and preparation method thereof | |
| CN107652533A (en) | A kind of string filled modified polypropylene composite and preparation method thereof | |
| CN102733283B (en) | Application of strip-shaped soil engineering fiber and preparation method for fiber asphalt concrete | |
| CN104446159A (en) | Preparation method of bamboo fiber modified asphalt mixture | |
| Liu et al. | Investigation of cotton straw fibers for asphalt mixtures | |
| CN104556820B (en) | Interfacial modifier capable of improving pitch-aggregate performance and preparation method thereof | |
| Chen et al. | Study of road property of basalt fiber asphalt concrete | |
| CN106064901A (en) | A kind of framework compact type asphalt mixture and manufacture method thereof | |
| CN108751768A (en) | A kind of preparation method of bituminous paving enhancing sugarcane fiber | |
| Chen et al. | Application of corn stalk fibers in SMA mixtures | |
| CN103232708B (en) | Novel asphalt composite modifier, modified asphalt and preparation method of the modified asphalt | |
| CN102086622A (en) | Composite reinforced crack-resistant fiber for asphalt pavements | |
| CN103553389B (en) | Interwoven composite fiber for improving pavement performance of asphalt mixture | |
| Fan et al. | Laboratory study of marshall of basalt fiber-modified asphalt mixture | |
| CN103897411B (en) | asphalt mixture anti-rutting additive and preparation method thereof | |
| CN104499399A (en) | Ultrathin composite structure layer for preventing reflection cracks and preparation method of ultrathin composite structure layer | |
| CN104016612B (en) | A kind of blend graft modifiies prepares the method that the anti-rut of bituminous concrete splits agent | |
| CN110054908A (en) | A kind of biological material base regeneration asphalt and preparation method thereof | |
| CN105541149B (en) | A kind of modification for bituminous pavement top is the same as the compound fine fibre of core and application | |
| CN104556764B (en) | A kind of asphalt road surface reinforcing material | |
| CN103030985B (en) | Sulfur and gypsum whisker composite asphalt modifier, modified asphalt and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100811 Assignee: CCCC RUITONG ROAD & BRIDGE MAINTENANCE SCIENCE & TECHNOLOGY CO., LTD. Assignor: CCCC First Highway Consultants Co., Ltd. Contract record no.: 2014610000056 Denomination of invention: Assorted fibre capable of improving crack resistance and fracture resistance of bituminous pavement Granted publication date: 20120829 License type: Exclusive License Record date: 20140404 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: CCCC RIVERSTONE ROAD AND BRIDGE MAINTENANCE TECHNO Free format text: FORMER OWNER: CCCC FIRST HIGHWAY CONSULTANTS CO., LTD. Effective date: 20140513 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI AN, SHAANXI PROVINCE TO: 710065 XI AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140513 Address after: 710065, Xi'an six high tech Zone, Shaanxi Province, China Central Road, the first floor of the first floor of the two floor Patentee after: CCCC RUITONG ROAD & BRIDGE MAINTENANCE SCIENCE & TECHNOLOGY CO., LTD. Address before: 710075 No. two, No. 63, hi tech Zone, Shaanxi, Xi'an Patentee before: CCCC First Highway Consultants Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: CHINA ROAD AND BRIDGE CORPORATION Effective date: 20150108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150108 Address after: 710065, Xi'an six high tech Zone, Shaanxi Province, China Central Road, the first floor of the first floor of the two floor Patentee after: CCCC RUITONG ROAD & BRIDGE MAINTENANCE SCIENCE & TECHNOLOGY CO., LTD. Patentee after: China Road & Bridge Corporation Address before: 710065, Xi'an six high tech Zone, Shaanxi Province, China Central Road, the first floor of the first floor of the two floor Patentee before: CCCC RUITONG ROAD & BRIDGE MAINTENANCE SCIENCE & TECHNOLOGY CO., LTD. |