CN101376578A - Hydraulic asphalt concrete - Google Patents
Hydraulic asphalt concrete Download PDFInfo
- Publication number
- CN101376578A CN101376578A CNA2008100462486A CN200810046248A CN101376578A CN 101376578 A CN101376578 A CN 101376578A CN A2008100462486 A CNA2008100462486 A CN A2008100462486A CN 200810046248 A CN200810046248 A CN 200810046248A CN 101376578 A CN101376578 A CN 101376578A
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- CN
- China
- Prior art keywords
- fine aggregate
- asphalt concrete
- aggregate
- hydraulic
- hydraulic asphalt
- 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.)
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Abstract
The invention discloses a hydraulic asphalt concrete which belongs to the technical field of building materials. The hydraulic asphalt concrete comprising a coarse aggregate, a fine aggregate and an asphalt binder is characterized in that the fine aggregate is composed of an alkali fine aggregate and an acidic fine aggregate. The invention has the advantages that the use amount of the alkali fine aggregate is reduced; the cost is saved; and the construction cost is decreased. The invention is suitable for being used as an impervious wall material in the composite dam construction of a hydraulic and hydropower project.
Description
Affiliated technical field
The present invention relates to the hydraulic anti-seepage material, the cut-pff wall material that uses during especially earth rockfill dam is built in the waterpower hydroelectric project belongs to building material technical field.
Background technology
Asphaltic concrete core wall is the key of seepage control of dam, and aggregate is a main raw wherein, and is most important to the safe operation of barrier properties, deformation performance and the weather resistance of core-wall and dam.At present, domestic aggregate that built and in the dam asphalt concrete material of building adopts alkaline bone material mostly, as dolomite, Wingdale, cement.But in many cases, alkaline bone material is got the material condition and is restricted, and maybe needs increased trucking costs, and the cost of alkaline bone material to be higher from far transporting, and makes construction costs higher.
Summary of the invention
Get the restriction of material condition in order to overcome existing bituminous concrete starting material, and the high deficiency of cost, the invention provides and adopt the hydraulic asphalt concrete that adds acid aggregate.
The technical solution adopted for the present invention to solve the technical problems is: hydraulic asphalt concrete, comprise coarse aggregate, fine aggregate, bituminous cements, and fine aggregate is made up of alkaline fine aggregate and acid fine aggregate.
The invention has the beneficial effects as follows, select to have widened scope, reduced the alkaline bone material consumption, saved cost, reduced construction costs for the bituminous concrete aggregate.
Embodiment
Hydraulic asphalt concrete comprises coarse aggregate, fine aggregate, bituminous cements, and fine aggregate is made up of alkaline fine aggregate and acid fine aggregate.Acid fine aggregate account for wherein 40%, be natural sand, and needn't add antistripping agent, reduced the about 10kg/m of alkaline fine aggregate consumption
3, save 2.5 yuan/m of cost
3Under the prerequisite that satisfies asphalt concrete construction quality and construction speed, reduced construction costs.
By the application of leading stone project, admixture 40% acid natural sand in the bituminous concrete fine aggregate detects by test, and under the situation of admixture antistripping agent not, construction quality reaches technological standard.
Above the specific embodiment of the present invention has been carried out exemplary description, obviously the invention is not restricted to this, the various remodeling that carry out within the scope of the present invention all do not exceed protection scope of the present invention.
Claims (3)
1, a kind of hydraulic asphalt concrete comprises coarse aggregate, fine aggregate, bituminous cements, it is characterized in that, fine aggregate is made up of alkaline fine aggregate and acid fine aggregate.
2, hydraulic asphalt concrete according to claim 1 is characterized in that, described acid fine aggregate accounts for 40% of fine aggregate gross weight.
3, hydraulic asphalt concrete according to claim 1 is characterized in that, described acid fine aggregate is natural sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100462486A CN101376578A (en) | 2008-10-09 | 2008-10-09 | Hydraulic asphalt concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100462486A CN101376578A (en) | 2008-10-09 | 2008-10-09 | Hydraulic asphalt concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101376578A true CN101376578A (en) | 2009-03-04 |
Family
ID=40420323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100462486A Pending CN101376578A (en) | 2008-10-09 | 2008-10-09 | Hydraulic asphalt concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101376578A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152580A (en) * | 2015-07-31 | 2015-12-16 | 中国水利水电第七工程局有限公司 | Hydraulic asphalt concrete antiseepage material with large particle size |
| CN112159156A (en) * | 2020-11-04 | 2021-01-01 | 国家电网公司 | Asphalt concrete with acidic aggregate and preparation method thereof |
-
2008
- 2008-10-09 CN CNA2008100462486A patent/CN101376578A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152580A (en) * | 2015-07-31 | 2015-12-16 | 中国水利水电第七工程局有限公司 | Hydraulic asphalt concrete antiseepage material with large particle size |
| CN112159156A (en) * | 2020-11-04 | 2021-01-01 | 国家电网公司 | Asphalt concrete with acidic aggregate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090304 |