CN102976667B - Plant-growing concrete material - Google Patents
Plant-growing concrete material Download PDFInfo
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- CN102976667B CN102976667B CN201210297857.5A CN201210297857A CN102976667B CN 102976667 B CN102976667 B CN 102976667B CN 201210297857 A CN201210297857 A CN 201210297857A CN 102976667 B CN102976667 B CN 102976667B
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Abstract
The present invention discloses a plant-growing concrete material, which comprises the following raw materials: coarse aggregate, cement, water, an anti-cracking agent, a polycarboxylate superplasticizer, a sulfonated acetone-formaldehyde condensation compound, triterpenoid saponin, an antifoaming agent and a high water absorption resin, wherein a particle size of the coarse aggregate is not more than 3 cm, stacking porosity is 35-45%, a crushing index of the coarse aggregate is less than 15%, a use amount of the coarse aggregate is 1400-1800 kg/m<3>, a weight ratio of the water to the cement is 0.24-0.28:1, weights of the anti-cracking agent, the polycarboxylate superplasticizer, the sulfonated acetone-formaldehyde condensation compound and the high water absorption resin are respectively 1-2% of the weight of the cement, 0.3-0.4% of the weight of the cement, 0.3-0.4% of the weight of the cement and 0.2-0.3% of the weight of the cement, and weights of the triterpenoid saponin and the antifoaming agent are respectively 3-5% of the weight of the polycarboxylate superplasticizer and 1-1.5% of the weight of the polycarboxylate superplasticizer. The plant-growing concrete material has a high strength, is suitable for plant growth, and can be used for ecological bank construction.
Description
Technical field
The present invention relates to a kind of concrete for plant growth material, be specifically related to a kind of cellular concrete material of suitable for plant growth.
Background technology
The porosity of existing concrete only has 4% left and right, is not suitable as eco-embankment construction project and uses, as the carrier of plant-growth.Porosity in soil is about 40～60%, but concrete is under the prerequisite of open grain, cannot guarantee certain intensity.Because concrete has alkalescence, be not suitable for the growth of plant, and existing concrete water-permeable and air permeable performance also cannot meet the growth demand of plant simultaneously.
Summary of the invention
In order to solve the defect existing in prior art, the invention provides the cellular concrete material that a kind of intensity is high, be applicable to plant-growth.
In order to achieve the above object, the invention provides a kind of concrete for plant growth material, comprise following raw material: coarse aggregate, cement, water, anti-fissuring agent, polycarboxylate water-reducer, sulfonated acetone-formaldehyde condensation products, triterpenoid saponin, defoamer and super absorbent resin; Coarse aggregate size is not more than 3 centimetres, and piling up porosity is 35～45%; The crush index of coarse aggregate is less than 15%, and consumption is 1400～1800kg/m
3; The weight ratio of water and cement is 0.24～0.28:1; The weight of anti-fissuring agent, polycarboxylate water-reducer, sulfonated acetone-formaldehyde condensation products and super absorbent resin accounts for respectively 1～2%, 0.3～0.4%, 0.3～0.4% and 0.2～0.3% of cement weight; The weight of triterpenoid saponin and defoamer accounts for respectively 3～5% and 1～1.5% of polycarboxylate water-reducer weight.
Wherein, to select particle diameter be the basaltic broken stone of 10mm～20mm to coarse aggregate; Water consumption is 48 kg/m
3～120kg/m
3; Cement is silicate cement.
The accumulation porosity of basaltic broken stone preferably 43%, consumption is 1597 kg/m
3; The preferred 0.24:1 of weight ratio of water and cement, the consumption of water is preferably 95.76 kg/m
3, the consumption of silicate cement is preferably 399 kg/m
3.
Anti-fissuring agent comprises unslaked lime, aluminum oxide, plaster stone and boric acid; The weight ratio of unslaked lime, aluminum oxide, plaster stone and boric acid is 20～35:15～25:45～55:8～16.
Defoamer preferred, polyethers modified polyorganosiloxane defoamer.Preferred allyl polyethenoxy ether-the acroleic acid macromolecular of polycarboxylate water-reducer polymkeric substance.
The present invention has the following advantages compared to existing technology:
(1) utilize froth breaking component, eliminated the air pocket on high performance water reducing agent of polyocarboxy acid surface, reduce the detrimentally affect to concrete pore structure and weather resistance generation; By triterpenoid saponin, form a large amount of micro bubbles simultaneously, thereby the porosity of cellular concrete material is controlled between 25～35%, can guarantee concrete intensity, be applicable to again the growth of root system of plant;
(2) the gluey hydrate that utilizes anti-fissuring agent to form, can cracking resistance, can prevent the alkaline components strippings such as calcium hydroxide again, has improved concrete alkaline environment, contributes to plant-growth;
(3) adopt super absorbent resin as water-holding agent, the water suction by repeatedly-release water process, for plant provides sufficient moisture;
(4) ultimate compression strength of cellular concrete material of the present invention is all higher than 14MPa, and the ultimate compression strength of the cellular concrete material that porosity is 25% is up to 18MPa.
Embodiment
Below in conjunction with embodiment, concrete for plant growth material of the present invention is elaborated.
Embodiment mono-
Anti-fissuring agent: get the unslaked lime of 20 weight parts, the plaster stone of the aluminum oxide of 15 weight parts, 45 weight parts and the boric acid of 8 weight parts mix, standby.
Get and pile up basaltic broken stone 1716 kg, water 48.72 kg, 1PII 52.5 silicate cement 74 kg, anti-fissuring agent 1.5kg, polycarboxylate water-reducer 0.3kg, sulfonated acetone-formaldehyde condensation products 0.3kg, triterpenoid saponin 4g, Siloxane-Oxyalkylene Copolymers defoamer 4g and the super absorbent resin 0.2kg mixing that porosity is 40%, with drum stirrer, stir; The material stirring waters and smashes prefabricated mould; In 20 ℃ of temperature, humidity 50% time, carry out maintenance; After maintenance, mould is removed, got product.The concrete porosity obtaining is 30%, and ultimate compression strength is 15MPa.
Embodiment bis-
Anti-fissuring agent: get the unslaked lime of 35 weight parts, the plaster stone of the aluminum oxide of 25 weight parts, 55 weight parts and the boric acid of 16 weight parts mix, standby.
Get and pile up basaltic broken stone 1597kg, water 95.76 kg, 1PII 52.5 silicate cement 399 kg, anti-fissuring agent 4kg, polycarboxylate water-reducer 1.2kg, sulfonated acetone-formaldehyde condensation products 1.2kg, triterpenoid saponin 12g, Siloxane-Oxyalkylene Copolymers defoamer 12g and the super absorbent resin 0.8kg mixing that porosity is 43%, with drum stirrer, stir; The material stirring waters and smashes prefabricated mould; After maintenance, mould is removed, got product.The porosity of the cellular concrete obtaining is 20%, and ultimate compression strength is 18MPa.
Claims (3)
1. a concrete for plant growth material, is characterized in that, comprises following raw material: coarse aggregate, cement, water, anti-fissuring agent, polycarboxylate water-reducer, sulfonated acetone-formaldehyde condensation products, triterpenoid saponin, defoamer and super absorbent resin; Described coarse aggregate size is not more than 3 centimetres, and piling up porosity is 35～45%; The crush index of described coarse aggregate is less than 15%, and consumption is 1400～1800kg/m
3; The weight ratio of described water and cement is 0.24～0.28:1; The weight of described anti-fissuring agent, polycarboxylate water-reducer, sulfonated acetone-formaldehyde condensation products and super absorbent resin accounts for respectively 1～2%, 0.3～0.4%, 0.3～0.4% and 0.2～0.3% of cement weight; The weight of described triterpenoid saponin and defoamer accounts for respectively 3～5% and 1～1.5% of polycarboxylate water-reducer weight; Described anti-fissuring agent comprises unslaked lime, aluminum oxide, plaster stone and boric acid; The weight ratio of described unslaked lime, aluminum oxide, plaster stone and boric acid is 20～35:15～25:45～55:8～16.
2. concrete for plant growth material according to claim 1, is characterized in that, it is the basaltic broken stone of 10mm～20mm that described coarse aggregate is selected particle diameter; Described water consumption is 48 kg/m
3～120kg/m
3; Described cement is silicate cement.
3. concrete for plant growth material according to claim 1 and 2, is characterized in that, described defoamer is Siloxane-Oxyalkylene Copolymers defoamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210297857.5A CN102976667B (en) | 2012-08-21 | 2012-08-21 | Plant-growing concrete material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210297857.5A CN102976667B (en) | 2012-08-21 | 2012-08-21 | Plant-growing concrete material |
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| Publication Number | Publication Date |
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| CN102976667A CN102976667A (en) | 2013-03-20 |
| CN102976667B true CN102976667B (en) | 2014-03-12 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304197B (en) * | 2013-07-03 | 2015-09-16 | 内蒙古大学 | The preparation method of the cement block being weighting material with waste polystyrene foam and High hydrophilous resin |
| CN105110676A (en) * | 2015-09-01 | 2015-12-02 | 江苏百瑞吉新材料有限公司 | High-strength pervious concrete additive |
| CN105130715B (en) * | 2015-09-30 | 2018-03-02 | 河南科技大学 | A kind of fertilizer for pot-culture flowers slow release device and its preparation and application |
| CN105085095B (en) * | 2015-09-30 | 2018-03-06 | 河南科技大学 | A kind of preparation, application method and the material of soluble chemical fertilizer slow release device |
| CN107129241B (en) * | 2017-05-26 | 2019-10-11 | 何光明 | A kind of porous concrete for plant growth and preparation method thereof |
| CN108298893B (en) * | 2018-02-05 | 2020-12-25 | 中煤浙江生态环境发展有限公司 | Slope greening construction method and matrix concrete for slope greening |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100500794C (en) * | 2006-04-24 | 2009-06-17 | 淄博永麒化工技术开发有限公司 | Gas channeling preventing cement slurry for cementing oil field |
| CN101234871A (en) * | 2008-03-06 | 2008-08-06 | 大庆石油管理局 | High temperature resistant cement mortar |
| CN102108298B (en) * | 2010-03-31 | 2012-03-21 | 新疆北新四方土木工程试验研究所有限责任公司 | Soil stabilizer |
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