CN101349037A - Emulsified bitumen concrete steady porcelain granule road surface base layer material and road surface base layer construction method thereof - Google Patents
Emulsified bitumen concrete steady porcelain granule road surface base layer material and road surface base layer construction method thereof Download PDFInfo
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- CN101349037A CN101349037A CNA2008100702085A CN200810070208A CN101349037A CN 101349037 A CN101349037 A CN 101349037A CN A2008100702085 A CNA2008100702085 A CN A2008100702085A CN 200810070208 A CN200810070208 A CN 200810070208A CN 101349037 A CN101349037 A CN 101349037A
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- emulsified bitumen
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Abstract
The invention discloses an emulsified asphalt-cement stabilized porcelain granule base course material which eliminates waste and has good performance. Porcelain granules are utilized to substitute broken stones to prepare the base course material, the base course material mainly comprises cement, emulsified asphalt, the porcelain granules, stone chips and water, and further the porcelain granules are sintered porcelain granules produced by pelleting and roasting the waste. The base course material reduces rigidity, contributes to the reduction of ruts and reflective cracks on a road surface, improves the structural performance of the road surface, and has good impermeability, antifreezing performance and durability as well as convenient construction. The invention also provides a construction method for the emulsified asphalt-cement stabilized porcelain granule base course.
Description
Technical field
The present invention relates to the highway construction technical field, be specifically related to a kind of cement concrete pavement base material and road surface base layer construction method thereof.
Background technology
At present, the structure types that China Higher level highway generally uses is a semi-rigid asphalt pavement, and cement stabilized macadam is with the basic unit or the subbase of characteristics are widely used in high-grade highway such as its intensity height, good stability, erosion resistibility be strong.But,, thereby cause or quicken the destruction on road surface because the material and the architectural characteristic of this semi-rigid type base more easily cause base course crack, and then form reflection crack at asphalt surface course.How to reduce the rigidity of cement stabilized macadam, improve its cracking resistance and become major issue.According to the domestic and international research result, in cement stabilized granular, add mulseal and really can improve its multiple pavement performance, comprising anti-crack ability, and be convenient to construction, therefore, carried out as a kind of research of half-flexible pavement material with the emulsified bitumen concrete steady rubble in recent years, but the too high shortcoming of rigidity still exists.
Along with the fast development of China's economic society, domestic waste, industrial solid castoff, sewage plant sludge, river bed mud get more and more, and how to be treated as a problem that becomes increasingly conspicuous, and as mishandling, are easy to cause the secondary pollution problem.Have now and studies show that adopting these discarded objects to prepare haydite is that an important resourceization is utilized approach.Therefore, it is very meaningful with the needs that satisfy these flood tide discarded objects of integrated treatment to open up the frontier that haydite uses.Building materials field is the main aspect that haydite is used, and accounts for utilization more than 80%.Although haydite has been widely used in industry and the civilian construction, bridge engineering, and has obtained good technology economic.For example, have from heavy and light, intensity height, insulation, heat insulation, advantage such as fire resistance is good with the light weight aggregate concrete of the material preparation of making pottery, be used for building industry and civilian construction and other structure, can alleviate dead load greatly, reduce foundation load, economical with materials and freight volume.Yet, the prior art that haydite is applied in the ground surface material is few, and do not relate to its application in base material.
Summary of the invention
In view of this, in order to address the above problem, the invention provides a kind of well behaved emulsified bitumen concrete steady porcelain granule road surface base layer material.
The object of the present invention is achieved like this: emulsified bitumen concrete steady porcelain granule road surface base layer material, mainly be made up of cement, mulseal, haydite, aggregate chips and water, each primary raw material consumption is as follows in every cubic metre of described emulsified bitumen concrete steady porcelain granule road surface base layer material:
Cement: 95～110Kg, mulseal: 10～25Kg, haydite: 500～630Kg, aggregate chips: 620～800Kg, water: 100～135Kg.
Further, described haydite is the sintering ceramsite that discarded object goes out through granulation, baked for producing;
Further, described haydite cylindrical compress strength is greater than 4.0MPa, and size distribution is the 5-20mm continuous grading;
Further, described mulseal is BC-1, BA-1 or BN-2 type mulseal;
Further, described mulseal consumption is 15Kg/m
3
Further, described cement consumption is 110Kg/m
3
Further, described haydite consumption is 610～630Kg/m
3
Further, also comprise Admixture, the content of Admixture is 0.5～1Kg/m
3
Further, described Admixture is naphthalene system or polycarboxylic acid series high-efficiency water-reducing agent.
The present invention also provides a kind of emulsified bitumen concrete steady porcelain granule road surface base layer job practices, comprises the steps:
1) prepare raw material by following proportioning:
Cement: 95～110Kg/m
3, mulseal: 10～25Kg/m
3, haydite: 500～630Kg/m
3, aggregate chips: 600～800Kg/m
3, Admixture: 0.5～1Kg/m
3, water: 100～135Kg/m
3
2) haydite, aggregate chips and cement dry mixing is even;
3) to step 2) add entry, Admixture uniform mixing in the gained mixture;
4) in step 3) gained mixture, add the mulseal uniform mixing, form compound;
5) step 4) gained compound is evenly paved;
6) adopt compaction technology, the mixture after paving in the step 5) is rolled, degree of compaction forms emulsified bitumen concrete steady porcelain granule road surface base layer greater than 98%.
Compared to existing technology, the present invention has following beneficial effect:
(1) emulsified bitumen concrete steady porcelain granule road surface base layer material of the present invention is compared with existing ordinary Portland cement stable gravel roadbase material or emulsified bitumen concrete steady gravel roadbase material, reduced rigidity, help to reduce pavement track and reflection crack, improve the road structure performance.
(2) emulsified bitumen concrete steady porcelain granule base material of the present invention is owing to light weight, and modulus of elasticity is low, and anti-deformation is good, so have better anti; In addition, because the high-quality that haydite is a water absorption rate is low, have pozzolanic activity does not have alkali harm again gathers materials, so emulsified bitumen concrete steady porcelain granule base material impermeability, anti-freezing property and excellent in durability.
(3) compare with the ordinary ceramsite concrete, the present invention has reduced haydite performance demands, easy construction.Owing to adopt harsh mix, material is difficult for the segregation layering, has avoided newly mixing the shortcoming that the haydite concrete workability is poor, be difficult for satisfying construction requirement.
(4) wide material sources that gather materials, both having avoided cuts into a mountain gets the deterioration of the ecological environment that stone brings, and also can utilize discarded object in a large number, avoids environment pollution, economizes the land resource.
The specific embodiment
Below will be described in detail the preferred embodiments of the present invention.
The object of the present invention is achieved like this: emulsified bitumen concrete steady porcelain granule road surface base layer material, mainly form by cement, mulseal, haydite, aggregate chips and water;
Wherein, the sintering ceramsite of described haydite for adopting domestic waste, industrial solid castoff, sewage plant sludge or river bed mud the like waste to go out, for example garbage ceramsites, coal gangue haydite, biological sludge haydite, bed mud haydite etc. through granulation, baked for producing;
Best, described haydite cylindrical compress strength is greater than 4.0MPa, and size distribution is the 5-20mm continuous grading.
Wherein, described cement is 32.5 Portland cements or portland cement.
Best, described mulseal is BC-1, BA-1 or BN-2 type mulseal.
Also can add Admixture in the described emulsified bitumen concrete steady porcelain granule road surface base layer material, described Admixture can be naphthalene system or polycarboxylic acid series high-efficiency water-reducing agent.
Embodiment 1
In the emulsified bitumen concrete steady porcelain granule road surface base layer material of every cubic metre of present embodiment, the raw material weight proportioning is as follows:
Cement: 95Kg, mulseal: 10Kg, haydite: 550Kg, aggregate chips: 750Kg, water: 135Kg.
By detecting test specimen, 7 days unconfined compression strength 3.83MPa, compression modulus 680MPa.The concrete that present embodiment makes can be used for building sub-surface.
Embodiment 2
In the emulsified bitumen concrete steady porcelain granule road surface base layer material of every cubic metre of present embodiment, the raw material weight proportioning is as follows:
Cement: 100Kg, mulseal: 25Kg, haydite: 500Kg, aggregate chips: 800Kg, Admixture (FDN high efficiency water reducing agent): 0.5Kg, water: 125Kg.
By detecting test specimen, 7 days unconfined compression strength 4.15MPa, compression modulus 720MPa, 28 days unconfined compression strength 4.53MPa.The concrete that present embodiment makes can be used for building sub-surface.
Embodiment 3
In the emulsified bitumen concrete steady porcelain granule road surface base layer material of every cubic metre of present embodiment, the raw material weight proportioning is as follows:
Cement: 110Kg, mulseal: 15Kg, haydite: 620Kg, aggregate chips: 620Kg, Admixture (polycarboxylic acid series high-efficiency water-reducing agent): 1Kg, water: 100Kg.
By detecting test specimen, 7 days unconfined compression strength 4.45MPa, compression modulus 710MPa, 28 days unconfined compression strength 4.90MPa.The concrete that present embodiment makes can be used for building sub-surface.
Embodiment 4
In the emulsified bitumen concrete steady porcelain granule road surface base layer material of every cubic metre of present embodiment, the raw material weight proportioning is as follows:
Cement: 110Kg, mulseal: 15Kg, haydite: 630Kg, aggregate chips: 660Kg, Admixture (FDN high efficiency water reducing agent): 0.7Kg, water: 120Kg;
By detecting test specimen, 7 days unconfined compression strength 4.35MPa, compression modulus 736MPa, 28 days unconfined compression strength 4.87MPa, compression modulus 748MPa.The concrete that present embodiment makes can be used for building sub-surface.
The present invention also provides a kind of emulsified bitumen concrete steady porcelain granule road surface base layer job practices, comprises the steps:
1) prepare raw material by following proportioning:
Cement: 95～110Kg/m
3, mulseal: 10～25Kg/m
3, haydite: 500～630Kg/m
3, aggregate chips: 620～800Kg/m
3, Admixture: 0.5～1Kg/m
3, water: 100～135Kg/m
3
2) haydite, aggregate chips and cement dry mixing is even;
3) to step 2) add entry, Admixture uniform mixing in the gained mixture;
4) in step 3) gained mixture, add the mulseal uniform mixing, form compound;
5) step 4) gained compound is evenly paved;
6) adopt compaction technology, the mixture after paving in the step 5) is rolled, degree of compaction forms emulsified bitumen concrete steady porcelain granule road surface base layer greater than 98%.
Claims (10)
1. emulsified bitumen concrete steady porcelain granule road surface base layer material, it is characterized in that: mainly be made up of cement, mulseal, haydite, aggregate chips and water, each primary raw material consumption is as follows in every cubic metre of described emulsified bitumen concrete steady porcelain granule road surface base layer material:
Cement: 95～110Kg, mulseal: 10～25Kg, haydite: 500～630Kg, aggregate chips: 620～800Kg, water: 100～135Kg.
2. emulsified bitumen concrete steady porcelain granule road surface base layer material according to claim 1 is characterized in that: described haydite is the sintering ceramsite that discarded object goes out through granulation, baked for producing.
3. emulsified bitumen concrete steady porcelain granule road surface base layer material according to claim 1 and 2 is characterized in that: described haydite cylindrical compress strength is greater than 4.0MPa, and size distribution is the 5-20mm continuous grading.
4. emulsified bitumen concrete steady porcelain granule road surface base layer material according to claim 1 is characterized in that: described mulseal is BC-1, BA-1 or BN-2 type mulseal.
5. according to claim 1 or 4 described emulsified bitumen concrete steady porcelain granule road surface base layer materials, it is characterized in that: described mulseal consumption is 15Kg/m
3
6. emulsified bitumen concrete steady porcelain granule road surface base layer material according to claim 1 is characterized in that: described cement consumption is 110Kg/m
3
7. emulsified bitumen concrete steady porcelain granule road surface base layer material according to claim 1 is characterized in that: described haydite consumption is 610～630Kg/m
3
8. emulsified bitumen concrete steady porcelain granule road surface base layer material according to claim 1 is characterized in that: also comprise Admixture, the consumption of Admixture is 0.5～1Kg/m
3
9. according to claim 1 or 8 described emulsified bitumen concrete steady porcelain granule road surface base layer materials, it is characterized in that: described Admixture is naphthalene system or polycarboxylic acid series high-efficiency water-reducing agent.
10. the emulsified bitumen concrete steady porcelain granule road surface base layer job practices is characterized in that, comprises the steps:
1) prepare raw material by following proportioning:
Cement: 95～110Kg/m
3, mulseal: 10～25Kg/m
3, haydite: 500～630Kg/m
3, aggregate chips: 620～800Kg/m
3, Admixture: 0.5～1Kg/m
3, water: 100～135Kg/m
3
2) haydite, aggregate chips and cement dry mixing is even;
3) to step 2) add entry, Admixture uniform mixing in the gained mixture;
4) in step 3) gained mixture, add the mulseal uniform mixing, form compound;
5) step 4) gained compound is evenly paved;
6) adopt compaction technology, the mixture after paving in the step 5) is rolled, degree of compaction forms emulsified bitumen concrete steady porcelain granule road surface base layer greater than 98%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100702085A CN101349037A (en) | 2008-08-29 | 2008-08-29 | Emulsified bitumen concrete steady porcelain granule road surface base layer material and road surface base layer construction method thereof |
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|---|---|---|---|
| CNA2008100702085A CN101349037A (en) | 2008-08-29 | 2008-08-29 | Emulsified bitumen concrete steady porcelain granule road surface base layer material and road surface base layer construction method thereof |
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| CN101349037A true CN101349037A (en) | 2009-01-21 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149501A (en) * | 2016-08-29 | 2016-11-23 | 唐健发 | A kind of drainage type asphalt pavement construction technique |
| CN106320149A (en) * | 2016-08-29 | 2017-01-11 | 唐健发 | Construction method of urban asphalt pavement with highway drainage system |
| CN106351106A (en) * | 2016-08-29 | 2017-01-25 | 唐健发 | Construction process of highway drainage asphalt pavement |
| CN106351100A (en) * | 2016-08-29 | 2017-01-25 | 唐健发 | Construction method of road drainage type asphalt pavement |
| CN108708244A (en) * | 2018-06-22 | 2018-10-26 | 杜宇 | A kind of highway road surface and preparation method thereof not cracked |
| CN114956672A (en) * | 2022-06-16 | 2022-08-30 | 王志方 | Semi-flexible asphalt and preparation method thereof |
-
2008
- 2008-08-29 CN CNA2008100702085A patent/CN101349037A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149501A (en) * | 2016-08-29 | 2016-11-23 | 唐健发 | A kind of drainage type asphalt pavement construction technique |
| CN106320149A (en) * | 2016-08-29 | 2017-01-11 | 唐健发 | Construction method of urban asphalt pavement with highway drainage system |
| CN106351106A (en) * | 2016-08-29 | 2017-01-25 | 唐健发 | Construction process of highway drainage asphalt pavement |
| CN106351100A (en) * | 2016-08-29 | 2017-01-25 | 唐健发 | Construction method of road drainage type asphalt pavement |
| CN108708244A (en) * | 2018-06-22 | 2018-10-26 | 杜宇 | A kind of highway road surface and preparation method thereof not cracked |
| CN114956672A (en) * | 2022-06-16 | 2022-08-30 | 王志方 | Semi-flexible asphalt and preparation method thereof |
| CN114956672B (en) * | 2022-06-16 | 2023-08-18 | 山东华辰路桥有限公司 | Semi-flexible asphalt and preparation method thereof |
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Open date: 20090121 |