CN85105033A - Emusifying pitch concret used in hydraulic seepage resistance - Google Patents
Emusifying pitch concret used in hydraulic seepage resistance Download PDFInfo
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- CN85105033A CN85105033A CN 85105033 CN85105033A CN85105033A CN 85105033 A CN85105033 A CN 85105033A CN 85105033 CN85105033 CN 85105033 CN 85105033 A CN85105033 A CN 85105033A CN 85105033 A CN85105033 A CN 85105033A
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- pitch
- seepage
- emusifying
- concret
- hydraulic
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Abstract
The invention relates to the prescription problem of emulsified bitulith fly ash.
The invention reside in and utilize flyash instead of part breeze, promptly utilized the three wastes, reach economic purpose again.No matter this material all can reach the requirement of seepage control project at aspects such as intensity, impervious, cracking resistance, anti-currents.
This material not only can be used for hydraulic anti-seepage, and can be used for the seepage control project of departments such as people's air defense, building.
Description
The invention belongs to the hydraulic anti-seepage material.
The bituminous concrete that adopts in the existing hydraulic anti-seepage material be with cationic emulsified bitumen as jointing compound, mix coarse aggregate, fine aggregate and breeze form.Consult " hydraulic asphalt technology " magazine, 2-3 phase page 1 in 1980, " Qinghai Province's the Huangshui River faro bituminous concrete lining cutting experimental study is tentatively observed " literary composition.Its advantage has the heat energy 50% of saving, simplifies site operation, and the scene no longer needs to be provided with the equipment that adds heated bitumen and aggregate; And improved workpeople's labor condition, avoid sootiness, fire is roasting and the murder by poisoning of pitch steam; Avoid burning, the generation of accident such as scald, fire; Reduce advantages such as surrounding environment pollution.But this material breeze consumption is bigger than normal, so cost is higher.
The objective of the invention is to develop a kind of can the instead of part Wingdale, breeze such as dolomite, cement, reduce cost, and can reach necessarily required hydraulic anti-seepage material.
Main points of the present invention are to add an amount of flyash in this material.The composition of this impervious material has: coarse aggregate is a limestone gravel, wherein 10～15 millimeters particle diameters account for 13%, 5～10 millimeters particle diameters account for 19%, 2.5～5 millimeters particle diameters account for 14%; Fine aggregate is a river sand, accounts for 42%; Stopping composition adopts mixed mineral powder, accounts for 12%, and wherein cement consumption is 5%～7%, and the flyash consumption is 5%～7%; Emulsified bitumen medium pitch consumption is 7%～8% of a mineral compound gross weight.
Its advantage of hydraulic anti-seepage material of the present invention is promptly to utilize the flyash of one of " three wastes ", can save the part breeze again, reaches economic purpose.
By the formulated material of the present invention, be 2.19 gram per centimeters through its unit weight of overtesting
2; Porosity is 7.59%; Permeability coefficient is 3.59 * 10
-7Cel; Markov stability is 562 kilograms; Flow valuve is 25.2(1/100 centimetre); Its tensile strength is 7.2 kilograms per centimeter under 20 ℃ of drying regimes
2, be 7.4 kilograms per centimeter under the water saturation state
2, be 4.8 kilograms per centimeter after the freeze thawing 25 times
2; In the time of 0 ℃ under the drying regime tensile strength be 13.7 kilograms per centimeter
2; In the time of subzero 20 ℃ under the drying regime tensile strength be 24.1 kilograms per centimeter
2; The water stability factor is 1.08; Freeze proof coefficient is 0.67.Also with its inner structure of methods analyst of macroanalysis and electron microscope scanning, prove that all the surface of its sand, building stones is almost all wrapped up in again by pitch, fracture surface is chocolate; The overwhelming majority is that pitch and aggregate itself destroy during destruction.
Show according to test-results: material of the present invention not only permeability coefficient reaches 10
-7Cel satisfies the requirement of hydraulic anti-seepage engineering, and high-temperature stability, low-temperature cracking-resistance, water stability, frost resistance etc. all can satisfy the requirement of general seepage control project.Particularly high temperature flow resistance performance specific heat bituminous concrete is good, therefore is specially adapted to be exposed in the atmosphere, and temperature influence is bigger, and the change of level district is with the seepage control project of upper part.This kind emulsified bitulith also can be used for civil air defense ground engineering's the antiseepage and the seepage control project of construction sector.
Optimum formula of the present invention is: 10～15 millimeters particle diameters of limestone gravel account for 13%, 5～10 millimeters particle diameters account for 19%, 2.5～5 millimeters particle diameters account for 14%; Fine aggregate river sand accounts for 42%; Cement accounts for 6% in the stopping composition, and flyash accounts for 6%.Asphalt content is 7%～8% of an above-mentioned gross weight.
Claims (3)
1, the emulsified bitulith used of antiseepage is mixed by coarse aggregate, fine aggregate, breeze and pitch, the invention is characterized in and has mixed flyash.
2, said as claim 1, it is characterized in that the flyash consumption is 5%～7%.
3, as claim 1 or 2 said materials, it is characterized in that the optimum amount of flyash and cement is 6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85105033 CN85105033A (en) | 1985-06-29 | 1985-06-29 | Emusifying pitch concret used in hydraulic seepage resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85105033 CN85105033A (en) | 1985-06-29 | 1985-06-29 | Emusifying pitch concret used in hydraulic seepage resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85105033A true CN85105033A (en) | 1986-12-24 |
Family
ID=4794212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85105033 Withdrawn CN85105033A (en) | 1985-06-29 | 1985-06-29 | Emusifying pitch concret used in hydraulic seepage resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85105033A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430559C (en) * | 2005-11-30 | 2008-11-05 | 中水东北勘测设计研究有限责任公司科学研究院 | Construction method for vibrated asphalt concrete anti-infiltration core wall of earth rockfill dam |
| CN100523387C (en) * | 2006-05-26 | 2009-08-05 | 中国水利水电科学研究院 | Cold construction seal coat for asphalt concrete anti-seepage panel and construction technique thereof |
| CN102875059A (en) * | 2012-10-31 | 2013-01-16 | 中国水电顾问集团北京勘测设计研究院 | Modified asphalt concrete for impervious layer in severe cold environment and construction method of modified asphalt concrete |
| CN106007488A (en) * | 2016-05-22 | 2016-10-12 | 周淑华 | Mixed concrete |
| CN108101464A (en) * | 2018-01-11 | 2018-06-01 | 中国铁道科学研究院铁道建筑研究所 | A kind of asphalt powder modified concrete with good frost resistance |
| CN109503037A (en) * | 2017-09-15 | 2019-03-22 | 南京麒麟科学仪器集团有限公司 | Bituminous concrete and preparation method thereof |
| CN112321201A (en) * | 2020-11-25 | 2021-02-05 | 宁波东兴沥青制品有限公司 | High-density asphalt concrete and preparation method thereof |
| CN112858141A (en) * | 2021-04-13 | 2021-05-28 | 西南石油大学 | System and method for testing permeability of concrete under negative temperature and salt solution |
| CN113931032A (en) * | 2021-10-21 | 2022-01-14 | 南通市通启公路工程有限公司 | Construction method for upper surface layer of asphalt pavement in saline-containing high-humidity-resistant environment |
-
1985
- 1985-06-29 CN CN 85105033 patent/CN85105033A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430559C (en) * | 2005-11-30 | 2008-11-05 | 中水东北勘测设计研究有限责任公司科学研究院 | Construction method for vibrated asphalt concrete anti-infiltration core wall of earth rockfill dam |
| CN100523387C (en) * | 2006-05-26 | 2009-08-05 | 中国水利水电科学研究院 | Cold construction seal coat for asphalt concrete anti-seepage panel and construction technique thereof |
| CN102875059A (en) * | 2012-10-31 | 2013-01-16 | 中国水电顾问集团北京勘测设计研究院 | Modified asphalt concrete for impervious layer in severe cold environment and construction method of modified asphalt concrete |
| CN106007488A (en) * | 2016-05-22 | 2016-10-12 | 周淑华 | Mixed concrete |
| CN109503037A (en) * | 2017-09-15 | 2019-03-22 | 南京麒麟科学仪器集团有限公司 | Bituminous concrete and preparation method thereof |
| CN108101464A (en) * | 2018-01-11 | 2018-06-01 | 中国铁道科学研究院铁道建筑研究所 | A kind of asphalt powder modified concrete with good frost resistance |
| CN112321201A (en) * | 2020-11-25 | 2021-02-05 | 宁波东兴沥青制品有限公司 | High-density asphalt concrete and preparation method thereof |
| CN112321201B (en) * | 2020-11-25 | 2021-08-20 | 宁波东兴沥青制品有限公司 | High-density asphalt concrete and preparation method thereof |
| CN112858141A (en) * | 2021-04-13 | 2021-05-28 | 西南石油大学 | System and method for testing permeability of concrete under negative temperature and salt solution |
| CN113931032A (en) * | 2021-10-21 | 2022-01-14 | 南通市通启公路工程有限公司 | Construction method for upper surface layer of asphalt pavement in saline-containing high-humidity-resistant environment |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |