CN104773990A - Concrete with optimized mix proportion - Google Patents
Concrete with optimized mix proportion Download PDFInfo
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- CN104773990A CN104773990A CN201510153396.8A CN201510153396A CN104773990A CN 104773990 A CN104773990 A CN 104773990A CN 201510153396 A CN201510153396 A CN 201510153396A CN 104773990 A CN104773990 A CN 104773990A
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- sand
- mixture fill
- trinity mixture
- concrete
- lime
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Abstract
The invention discloses concrete with optimized mix proportion. The concrete with optimized mix proportion is prepared from lime, clay and sand. Multiple mix proportions of the three materials are worked out by using natural sand with low cost and little quick lime with slightly high cost. Through data analysis, each kind of concrete with different mix proportions is subjected to compaction test and strength test, and then through data analysis, the concrete with relatively high unconfined compressive strength and relatively little lime is selected therefrom, can be applied to treatment of road bases, foundations of constructional engineering and the like and has an obvious economic effect.
Description
Technical field
The present invention relates to construction work trinity mixture fill applied technical field, specifically for specific unslaked lime, clay, sand three kinds of composition materials, through the trinity mixture fill reaching relative maximum intensity of the engineering demands of mixtures optimal design.
Background technology
In the construction works such as current highway engineering, trinity mixture fill has application in highway engineering, building foundation treatment etc., but its intensity is general lower.In engineering, the preparation of trinity mixture fill often rule of thumb proportioning prepare, not do not carry out comparatively deep proportioning for concrete earth material preferred, the trinity mixture fill proportioning thus obtained is not often proportioning corresponding to maximum strength, and is not often most economical proportioning.Therefore, preparation meets the trinity mixture fill of technical requirements requirement and economical rationality is a very important problem.
Summary of the invention
Object of the present invention, for overcoming the deficiencies in the prior art, provides a kind of economical trinity mixture fill compound method for concrete sand, clay, has prepared the also comparatively economic trinity mixture fill that a kind of intensity is high as far as possible.
In order to achieve the above object, the Optimization of a kind of proportioning of the present invention is the trinity mixture fill of the maximum intensity meeting construction requirement for current material, and by unslaked lime, clay, sand, adding water is prepared from.By some assembly composition and division in a proportion that orthogonal is drafted, carry out compaction test and unconfined compressive strenght test, and through data analysis, obtaining described component proportioning is: unslaked lime: clay: sand=1:6:1.Add water by the water ratio of 18%.The trinity mixture fill now prepared compares with the trinity mixture fill of other proportioning, under same compaction test condition, can obtain the highest unconfined compression strength, and within 28 days, unconfined compression strength reaches more than 1MPa.This proportioning can with reference to application in engineering reality.
Described optimized mix-proportion is: unslaked lime: clay: sand=1:6:1, adds water by the water ratio of 18%.
Described unslaked lime is the levigate unslaked lime of satisfied certain active oxidation calcium contents.
Described clay is plasticity index I
p=14.8%, liquidity index I
lthe silty clay of=-0.888; Sand is the good natural river sand of grating, its nonuniform coefficent Cu=4.61, curve coefficientCc=1.02.。
Advantage of the present invention is: utilize this several material simple, with low cost of clay, sand, unslaked lime to prepare, carry out the strength trial of 9 kinds of proportionings, the trinity mixture fill proportioning of optimization is obtained by comparative analysis, the trinity mixture fill of other proportioning relatively, the trinity mixture fill obtained through mixtures optimal design has the highest intensity.Main raw can be gathered materials on the spot, and can be used for the aspects such as the basic unit on highway, building foundation treatment, have obvious technology and economical effectiveness, the preparation for the trinity mixture fill be made up of unslaked lime, clay, sand provides good reference.
Embodiment
Now the present invention will be further described in conjunction with the embodiments.
Example 1: in the base layer construction of highway engineering, adopt the fine grinding quicklime of given physical and mechanical properties, clay, sand, by the dry mass ratio of three kinds of material 1:6:1, mix, then adopt the mode of water spray by 18% water ratio add water, attention will deduct actual raw-material water ratio, finally forms unslaked lime, clay, the sand mixture of water ratio 18%.Then thickness is spread out and put on evenly on request, and compacting reaches the dry density that design strength is corresponding, and carry out wet supporting afterwards, conditioned time is no less than 7 days, thus reaches 7 days unconfined compression strengths of design.
Claims (4)
1. through a trinity mixture fill for mixtures optimal design, by being prepared from by lime, clay, sand of obtaining through the test of polygamy composition and division in a proportion scheme and analysis; It is characterized in that: described each constituent mass ratio is: lime: clay: sand=1:6:1, trinity mixture fill 28 days unconfined compression strengths of preparation reach more than 1MPa.
2. a kind of trinity mixture fill according to claim 1, is characterized in that: described lime accounts for 12.5% of overall trinity mixture fill quality.
3. a kind of trinity mixture fill according to claim 1, is characterized in that: trinity mixture fill need add water when preparing, and adopt the mode of water spray to add water, mix is even, and amount of water is 18%.
4. a kind of trinity mixture fill according to claim 1, is characterized in that: adopt silty clay, its plasticity index I
p=14.8%, liquidity index I
l=-0.888; Sand adopts the river sand of prototype gradation, nonuniform coefficent Cu=4.61, curve coefficientCc=1.02.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153396.8A CN104773990A (en) | 2015-04-01 | 2015-04-01 | Concrete with optimized mix proportion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153396.8A CN104773990A (en) | 2015-04-01 | 2015-04-01 | Concrete with optimized mix proportion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104773990A true CN104773990A (en) | 2015-07-15 |
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ID=53615799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510153396.8A Pending CN104773990A (en) | 2015-04-01 | 2015-04-01 | Concrete with optimized mix proportion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110745A (en) * | 2015-07-24 | 2015-12-02 | 浙江大学 | Sweet rice tabia for perfusion and preparation method therefor |
| CN105884309A (en) * | 2016-04-01 | 2016-08-24 | 王丹切 | Quick-drying type bonding powder |
| CN108409167A (en) * | 2018-04-28 | 2018-08-17 | 张华娟 | A kind of highly dissoluble pulverized limestone |
| CN114735992A (en) * | 2022-05-13 | 2022-07-12 | 四川郎酒股份有限公司 | Sanhe soil airing house, preparation method thereof and application thereof in wine brewing |
| CN116063036A (en) * | 2023-03-03 | 2023-05-05 | 佛山市穗鑫建材有限公司 | Preparation formula and preparation method of bentonite |
-
2015
- 2015-04-01 CN CN201510153396.8A patent/CN104773990A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110745A (en) * | 2015-07-24 | 2015-12-02 | 浙江大学 | Sweet rice tabia for perfusion and preparation method therefor |
| CN105884309A (en) * | 2016-04-01 | 2016-08-24 | 王丹切 | Quick-drying type bonding powder |
| CN108409167A (en) * | 2018-04-28 | 2018-08-17 | 张华娟 | A kind of highly dissoluble pulverized limestone |
| CN114735992A (en) * | 2022-05-13 | 2022-07-12 | 四川郎酒股份有限公司 | Sanhe soil airing house, preparation method thereof and application thereof in wine brewing |
| CN114735992B (en) * | 2022-05-13 | 2023-01-24 | 四川郎酒股份有限公司 | Sanhe native airing house, preparation method thereof and application thereof in wine brewing |
| CN116063036A (en) * | 2023-03-03 | 2023-05-05 | 佛山市穗鑫建材有限公司 | Preparation formula and preparation method of bentonite |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |