CN105000826A - Staging blending normal-temperature asphalt mixture preparing technology - Google Patents
Staging blending normal-temperature asphalt mixture preparing technology Download PDFInfo
- Publication number
- CN105000826A CN105000826A CN201510473110.4A CN201510473110A CN105000826A CN 105000826 A CN105000826 A CN 105000826A CN 201510473110 A CN201510473110 A CN 201510473110A CN 105000826 A CN105000826 A CN 105000826A
- Authority
- CN
- China
- Prior art keywords
- stage
- asphalt
- mix
- stir
- bituminous mixture
- 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.)
- Granted
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a staging blending normal-temperature asphalt mixture preparing technology and belongs to the field of normal-temperature road construction. According to the technology, heated and dedusted aggregates with waste heat and foamed asphalt are pre-blended to enable the aggregates to be pre-wrapped, and the pre-blended mixture is then blended again with one or more of water, liquid soap, asphalt flux, emulsified asphalt and part of the aggregates which are added later; the temperature is reduced to be below 60-80 DEG C, and then ternary blending is conducted on the mixture and padding, cutback asphalt or emulsified asphalt, and the rest of the aggregates. The obtained asphalt mixture can be stored, transported, spread and ground at normal temperature.
Description
Technical field
The present invention relates to road normal temperature technical field of construction, particularly a kind ofly mix and stir the technique preparing Cold bituminous mixture stage by stage.
Background technology
Cold bituminous mixture (CMA) mixes and stirs because have the feature that temperature is low, be convenient to normal temperature construction, is the important directions of research application both at home and abroad always.But because be used alone the problem that to there is the not enough or processing condition restriction of performance or the aspect such as on the high side when Cold-mix prepared by different shape bituminous material, and the performance of bituminous material is not in full use, thus constrain the practical application of normal temperature compound.Such as, be used alone foam asphalt when carrying out cold mixing, foam asphalt is just formed the fine aggregate in compound and wraps, and coarse aggregate can not get parcel, water stability and the bulk strength of compound can only be improved by adding the gelling material such as cement, owing to wearing no resistance, it can only use as cutting optimal or basic unit; And adopt the normal temperature cold-mix asphalt compound of fluxed asphalt, because pitch reduces viscosity by more thinner to improve mobility, the road surface of making needs could form final strength through the solvent evaporates of long period, and extends along with the increase of placement thickness; Also have a kind of emulsified bitulith, domestic from last century the eighties just road study, only for low-grade highway, fail to obtain large-scale promotion, major cause is that its early strength is low, and curing cycle is long always.
Visible, although normal temperature cold-mix asphalt compound has energy-saving and emission-reduction, pitch without the feature of aging, cycle in work-ing life long, final performance not second to hot-laid mixture, but due to the shortcoming that initial performance is poor, curing cycle long, even portion of techniques use cost is high, it fails to be used widely as hot-mix asphalt mixture (HMA) always.
Summary of the invention
In order to make up above deficiency, the invention provides and a kind ofly mix and stir the technique preparing Cold bituminous mixture stage by stage, technique gained Cold bituminous mixture is easily constructed, curing cycle is short, expense is low for this, energy-conserving and environment-protective, prolongation can construction seasons.
Technical scheme of the present invention is:
Mix and stir the technique preparing Cold bituminous mixture stage by stage, concrete steps are:
1) foam asphalt and heating dedusting, 80-130 DEG C all or part of gathering materials mix and stir 5-30s, the quality of foam asphalt is the 1%-6% that this step adds aggregate quality;
2) add in step 1) gained compound water, soap lye, asphalt flux, emulsified bitumen, part gather materials in one or more, mix and stir and cool the temperature to 60-80 DEG C;
3) according to bitumen aggregate ratio requirement, add filler, residue gathers materials and one or more in fluxed asphalt or emulsified bitumen, uniform mixing, obtains Cold bituminous mixture.
Preferably, foam asphalt described in step 1) is one or more in 50-130 petroleum pitch, SBS modifying asphalt, artificial light colour pitch, Biological asphalt or road coal-tar pitch.
Preferably, step 1), step 2), the compound gathered materials for coarse aggregate, fine aggregate or coarse aggregate and fine aggregate arbitrary proportion used in step 3).
Preferably, step 1), step 2), usedly in step 3) to gather materials for basalt, diabase, limestone or dolomite.
Preferably, step 2), emulsified bitumen described in step 3) is 50-90 petroleum pitch, SBS modifying asphalt, artificial light colour pitch, Biological asphalt or road coal-tar pitch obtain through emulsifier.
Preferably, described asphalt flux is any one or a few in diesel oil, vegetables oil, kerosene, lubricating oil.
Preferably, the aqueous solution of described soap lye to be mass percentage concentration the be emulsifying agent of 1%-10%; Described emulsifying agent is KZW-801, KZW-803, HSRH, BH-MM, RC-SSRHJ801, LT-CMM1 or FS-C03.
Preferably, filler described in step 3) is cement, slaked lime or limestone mineral powder.
The object of this invention is to provide and a kind ofly mix and stir the technique preparing Cold bituminous mixture stage by stage, different with the preparation technology that mixes and stirs discharging of gathering materials from the single a kind of pitch of known normal temperature compound, first gathering materials and foam asphalt premixing with waste heat after utilization heating dedusting, make to gather materials and wrapped in advance, premixing compound again with after add water, soap lye, asphalt flux, emulsified bitumen, part gather materials in one or more carry out secondary mixing; Temperature is down to the material such as to gather materials with filler, fluxed asphalt or emulsified bitumen and residue again after below 60-80 DEG C and is carried out three times and mix and stir.Can store under gained asphalt normal temperature of the present invention, transport, pave, roll.
Beneficial effect of the present invention is:
Heating dedusting technology of the present invention solve cold mixing technique gather materials clean level require high, select difficult problem, foam asphalt mixes and stirs except dust lane waste heat gathers materials with utilizing heat, and to gathering materials, formation better wraps, and mixture performance is more excellent; The material of follow-up interpolation plays a part improve normal temperature construction, easily property and improve mixture performance further.
Compared with traditional normal temperature compound blending technics, the normal temperature compound that the present invention obtains is owing to taking full advantage of the heat energy after heating dedusting of gathering materials and foam asphalt premixing, more excellent than published normal temperature Cold-mix performance, final performance not second to or exceed hot-mix asphalt mixture, and production temperature is low; Scale operation can be realized, normal temperature transport can be carried out, pave and roller compaction construction by continuous or interval mixing apparatus, thus there is easy construction, curing cycle is short, expense is low, energy-conserving and environment-protective, prolongation can the feature of construction seasons, have a extensive future, Social benefit and economic benefit is remarkable.
Embodiment
Embodiment 1
Mix and stir the technique preparing Cold bituminous mixture stage by stage as follows:
A, 3 parts of foam asphalts (modified oil pitch) mix and stir 20s with whole coarse aggregates of 75 parts of SMA-13 grating building stones at 130 DEG C;
The foaming modifying petroleum pitch compound of B, production, the 15 part whole fine aggregates wetting with 4 portions of soap lyes (soap lye 4% concentration, HSRH emulsifying agent) mix and stir 15s, add 11 parts of water, 3 parts of cement, 10 parts of limestone mineral powder, continue mixing time 10s;
C, add 3 parts of modified emulsifying petroleum pitch (concentration 62%, HSRH emulsifying agent) by bitumen aggregate ratio and mix and stir 10s, discharging.
Embodiment 2
Mix and stir the technique preparing Cold bituminous mixture stage by stage as follows:
A, 6 parts of foam asphalts (middle extra large 70 matrix petroleum pitch) mix and stir 25s with the whole of 100 parts of AC-13 grating building stones at 90 DEG C;
The foam matrix petroleum pitch compound of B, production, mixes and stirs 20s, discharging with 1 portion of Semen Maydis oil;
Embodiment 3
Mix and stir the technique preparing Cold bituminous mixture stage by stage as follows:
A, 4.5 parts of foam asphalts (light colour pitch) mix and stir 15s with the whole of 97 parts of OGFC-13 grating building stones at 115 DEG C;
The foam light colour asphalt of B, production, mixes and stirs 15s with 5 portions of soap lyes (soap lye 1% concentration, LT-CMM1 emulsifying agent), adds 12 parts of water, 2 parts of cement, 1 part of limestone mineral powder, mixing time 10s;
C, add 1.5 parts of emulsification light colour pitches (concentration 66%, LT-CMM1 emulsifying agent) by bitumen aggregate ratio and mix and stir 10s, discharging.
Embodiment 4
Mix and stir the technique preparing Cold bituminous mixture stage by stage as follows:
A, 3.0 parts of foam asphalts (road coal-tar pitch) mix and stir 10s with whole coarse aggregates of 76 parts of Novachip C type gratings at 120 DEG C;
B, add 1 part of diesel oil and mix and stir 5s, the foam road Coal pitch mixture of production, the 18 part whole fine aggregates wetting with 6 portions of soap lyes (soap lye 1% concentration, FS-C03 emulsifying agent) mix and stir 20s, add 11 parts of water, 4 parts of cement, 2 parts of limestone mineral powder, mixing time 15s;
C, add 3.0 parts of road coal-tar pitch (concentration 66%, FS-C03 emulsifying agent) by bitumen aggregate ratio and mix and stir 10s, discharging.
Embodiment 5
Mix and stir the technique preparing Cold bituminous mixture stage by stage as follows:
Whole coarse aggregate and 20 parts of fine aggregates of A, 4.0 parts of foam asphalts (Biological asphalt) and 66 parts of AC-13 grating building stones mix and stir 20s at 100 DEG C;
The foam biological asphalt of B, production, adds 7 portions of soap lyes (soap lye 1% concentration, KZW-803 emulsifying agent) and mixes and stirs 5s;
C, add 10 parts of fine aggregates and 4.0 parts of limestone mineral powder (containing 50% slaked lime) again and mix and stir 20s and 2.0 part of emulsification Biological asphalt (concentration 72%, KZW-803 emulsifying agent) and mix and stir 20s, discharging.
Comparative example 1
Heat is mixed, modified oil pitch, SMA-13 grating, 6% bitumen aggregate ratio, and 175 DEG C are mixed and stirred.
Comparative example 2
Heat is mixed, matrix petroleum pitch, AC-13 grating, 6% bitumen aggregate ratio, and 160 DEG C are mixed and stirred.
Comparative example 3
Heat is mixed, light colour pitch, OGFC-13 grating, 6% bitumen aggregate ratio, and 170 DEG C are mixed and stirred.
Comparative example 4
Heat is mixed, road coal-tar pitch, Novachip C type grating, and 6% bitumen aggregate ratio, 175 DEG C are mixed and stirred.
The mixture performance of table 1 comparative example and embodiment contrasts
The test-results display of embodiment 1-4, mix and stir stage by stage and prepare Cold bituminous mixture performance and the similar nature with grating hot-mix asphalt mixture comparative example, final performance reaches heat and mixes technical requirements.
Claims (7)
1. mix and stir the technique preparing Cold bituminous mixture stage by stage, it is characterized in that, concrete steps are:
1) foam asphalt and heating dedusting, 80-130 DEG C all or part of gathering materials mix and stir 5-30s, the quality of foam asphalt is the 1%-6% that this step adds aggregate quality;
2) add in step 1) gained compound water, soap lye, asphalt flux, emulsified bitumen, part gather materials in one or more, mix and stir and cool the temperature to 60-80 DEG C;
3) according to bitumen aggregate ratio requirement, add filler, residue gathers materials and one or more in fluxed asphalt or emulsified bitumen, uniform mixing, obtains Cold bituminous mixture.
2. mix and stir the technique preparing Cold bituminous mixture as claimed in claim 1 stage by stage, it is characterized in that: foam asphalt described in step 1) is one or more in 50-130 petroleum pitch, SBS modifying asphalt, artificial light colour pitch, Biological asphalt or road coal-tar pitch.
3. mix and stir the technique preparing Cold bituminous mixture as claimed in claim 1 stage by stage, it is characterized in that: step 1), step 2), usedly in step 3) to gather materials for basalt, diabase, limestone or dolomite.
4. mix and stir the technique preparing Cold bituminous mixture as claimed in claim 1 stage by stage, it is characterized in that:
Step 2), emulsified bitumen described in step 3) is 50-90 petroleum pitch, SBS modifying asphalt, artificial light colour pitch, Biological asphalt or road coal-tar pitch obtain through emulsifier.
5. mix and stir the technique preparing Cold bituminous mixture as claimed in claim 1 stage by stage, it is characterized in that: described asphalt flux is any one or a few in diesel oil, vegetables oil, kerosene, lubricating oil.
6. mix and stir the technique preparing Cold bituminous mixture as claimed in claim 1 stage by stage, it is characterized in that: the aqueous solution of described soap lye to be mass percentage concentration the be emulsifying agent of 1%-10%; Described emulsifying agent is KZW-801, KZW-803, HSRH, BH-MM, RC-SSRHJ801, LT-CMM1 or FS-C03.
7. mix and stir the technique preparing Cold bituminous mixture as claimed in claim 1 stage by stage, it is characterized in that: filler described in step 3) is cement, slaked lime or limestone mineral powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473110.4A CN105000826B (en) | 2015-08-05 | 2015-08-05 | Staging blending normal-temperature asphalt mixture preparing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473110.4A CN105000826B (en) | 2015-08-05 | 2015-08-05 | Staging blending normal-temperature asphalt mixture preparing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105000826A true CN105000826A (en) | 2015-10-28 |
| CN105000826B CN105000826B (en) | 2017-05-17 |
Family
ID=54373745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510473110.4A Active CN105000826B (en) | 2015-08-05 | 2015-08-05 | Staging blending normal-temperature asphalt mixture preparing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105000826B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105294014A (en) * | 2015-12-08 | 2016-02-03 | 广州大学 | Preparation method of flexible asphalt pavement material |
| CN106673501A (en) * | 2016-12-12 | 2017-05-17 | 河海大学 | Nano-cured emulsified asphalt mixture and preparation method thereof |
| CN110482910A (en) * | 2019-09-10 | 2019-11-22 | 广州大学 | A kind of penetration type bituminous concrete and its preparation method and application |
| CN110527311A (en) * | 2019-09-05 | 2019-12-03 | 黄河三角洲京博化工研究院有限公司 | A kind of condensed emulsified pitch and preparation method thereof and application method |
| CN110656553A (en) * | 2019-10-18 | 2020-01-07 | 同济大学 | Mixing method of hot-mixed asphalt mixture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070060676A1 (en) * | 2005-09-12 | 2007-03-15 | Mathy Construction | Bituminous paving composition and process for bituminous paving |
| CN101693608A (en) * | 2009-09-30 | 2010-04-14 | 长安大学 | Medium temperature asphalt mixture and process for preparing same |
| CN102493316A (en) * | 2011-12-07 | 2012-06-13 | 广东省长大公路工程有限公司 | Production method of plant-mixed cold recycling foamed asphalt concrete |
| CN102795808A (en) * | 2011-05-23 | 2012-11-28 | 河源海川科技有限公司 | Warm mix asphalt and preparation method thereof |
| CN103102108A (en) * | 2012-12-28 | 2013-05-15 | 栾海 | Foamed warm mix asphalt mixture and preparation method thereof |
-
2015
- 2015-08-05 CN CN201510473110.4A patent/CN105000826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070060676A1 (en) * | 2005-09-12 | 2007-03-15 | Mathy Construction | Bituminous paving composition and process for bituminous paving |
| CN101693608A (en) * | 2009-09-30 | 2010-04-14 | 长安大学 | Medium temperature asphalt mixture and process for preparing same |
| CN102795808A (en) * | 2011-05-23 | 2012-11-28 | 河源海川科技有限公司 | Warm mix asphalt and preparation method thereof |
| CN102493316A (en) * | 2011-12-07 | 2012-06-13 | 广东省长大公路工程有限公司 | Production method of plant-mixed cold recycling foamed asphalt concrete |
| CN103102108A (en) * | 2012-12-28 | 2013-05-15 | 栾海 | Foamed warm mix asphalt mixture and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105294014A (en) * | 2015-12-08 | 2016-02-03 | 广州大学 | Preparation method of flexible asphalt pavement material |
| CN105294014B (en) * | 2015-12-08 | 2017-05-10 | 广州大学 | Preparation method of flexible asphalt pavement material |
| CN106673501A (en) * | 2016-12-12 | 2017-05-17 | 河海大学 | Nano-cured emulsified asphalt mixture and preparation method thereof |
| CN106673501B (en) * | 2016-12-12 | 2019-04-30 | 河海大学 | Cured Emulsified Asphalt Mixture of nanometer and preparation method thereof |
| CN110527311A (en) * | 2019-09-05 | 2019-12-03 | 黄河三角洲京博化工研究院有限公司 | A kind of condensed emulsified pitch and preparation method thereof and application method |
| CN110482910A (en) * | 2019-09-10 | 2019-11-22 | 广州大学 | A kind of penetration type bituminous concrete and its preparation method and application |
| CN110656553A (en) * | 2019-10-18 | 2020-01-07 | 同济大学 | Mixing method of hot-mixed asphalt mixture |
| CN110656553B (en) * | 2019-10-18 | 2020-11-10 | 同济大学 | Mixing method of hot-mixed asphalt mixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105000826B (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105000826B (en) | Staging blending normal-temperature asphalt mixture preparing technology | |
| CN102351468A (en) | Regenerative asphalt mixture and preparation method thereof | |
| CN104419209B (en) | A kind of anionic asphalt warm-mix agent and preparation method thereof | |
| CN102795812A (en) | Warm-mixed recycled asphalt mixture and preparation method thereof | |
| CN103102108A (en) | Foamed warm mix asphalt mixture and preparation method thereof | |
| CN103556560A (en) | Preparation method of high-performance warm-mix regenerated asphalt mixture | |
| CN106396502A (en) | Foamed warm mix recycled asphalt mixture and preparation method thereof | |
| CN104672744A (en) | Direct-adding type instant SBS (Styrene Butadiene Styrene) modifier as well as preparation method and application thereof | |
| CN102795810A (en) | Warm mixing shape memory alloy (SMA) asphalt mixture and preparation method thereof | |
| CN103204644B (en) | Warmly bitumen-mixed modifier and preparation method thereof | |
| CN105017787B (en) | A kind of low cost length takes time high performance modified bitumen and preparation method thereof in | |
| CN107500611B (en) | Waste grease premixed reinforced asphalt mixture and preparation method thereof | |
| CN110171937A (en) | The modified Warm-Mix Bitumen Mixture of a kind of warm-mixing agent, SBS/SBR and preparation method | |
| CN103508702B (en) | A kind of Cold-mix phase change type asphalt mixture for thermal energy storage | |
| CN102839587B (en) | The marshall' mechanic characteristic value of Evotherm Warm-Mix Bitumen Mixture | |
| CN108484017A (en) | Hgh-performance emulsified asphalt and preparation method thereof for cold mixing cold-application | |
| CN107805005A (en) | A kind of foamed asphalt warm mix rubber modified mixes and preparation method and construction method | |
| CN104860578B (en) | Spacetabs type anti-ice freezes the preparation method of stone mastic asphalt | |
| CN103755225B (en) | A kind of modified asphalt mixture and preparation method | |
| CN110396300A (en) | A kind of nano-compound modified pitch and preparation method thereof | |
| CN109503030A (en) | A kind of asphalt preparation method of achievable warm mix | |
| CN108559284A (en) | A kind of thin overlay sticking layer oil and its preparation method and application | |
| CN104556781B (en) | A kind of non-ionic asphalt warm-mix agent and preparation method thereof | |
| CN101735625B (en) | Special modified cold-mixing asphalt for cold-region normal-temperature mixing-type asphalt concrete | |
| CN102295436B (en) | Preparation method of cold-mixing rock asphalt macadam mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |