CN105924052A - Preparation method of antifreezing plant ecological concrete - Google Patents
Preparation method of antifreezing plant ecological concrete Download PDFInfo
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- CN105924052A CN105924052A CN201610025106.6A CN201610025106A CN105924052A CN 105924052 A CN105924052 A CN 105924052A CN 201610025106 A CN201610025106 A CN 201610025106A CN 105924052 A CN105924052 A CN 105924052A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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Abstract
The invention belongs to the technical field of biological engineering and discloses a preparation method of an antifreezing plant ecological concrete. The ecological concrete is prepared by stirring and pouring the following materials by weight: 1550-1600 parts of coarse aggregate, 180-210 parts of cement, 63-70 parts of water, 45-52 parts of silica fume, 40-50 parts of micro short fiber and 2.0-2.5 parts of a polycarboxylate superplasticizer. The formed ecological concrete has a continuous connected pore structure, compressive strength reaching above 10MPa and flexural strength of 1.5-3MPa. The concrete meets the strength need for berm and greening projects. The concrete has effective porosity reaching 25-35% and pH value reduced to about 10, and is suitable for plant growth and habitation of small animals. The ecological concrete in slow freezing environment resists the cycle of freezing and thawing to more than 50 times, has strength loss of no more than 20%, and reaches good antifreezing effect.
Description
Technical field
Present invention relates particularly to a kind of utilize silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, belong to technical field of bioengineering.
Background technology
Ecology refers to the mutual relation of organism and its surrounding enviroment (including abiotic environment and biotic environment)；Concrete (" concrete " be its write a Chinese character in simplified form, synonym) refer to be configured by proper proportion by Binder Materials, aggregate and water, the more artificial stone material through certain time hardening.There are broad sense and the conceptive differentiation of narrow sense in Hefei section along science and trade eco-concrete/ecological concrete.Broad sense eco-concrete/ecological concrete is defined as having certain ecological effect or the concrete of specific ecological functions, this kind of concrete is compared with conventional concrete, typically have and decrease cement consumption, there is the functions such as dedusting noise reduction, water-permeable and air permeable, water purification heat accumulation, there is environment friendly or biocompatibility.Narrow sense eco-concrete/ecological concrete has the concrete of biocompatibility and ecological effect the most exactly, wherein ecological effect can be expressed as concrete finished product can grow biology, impact biology, the biology and the concrete that are attached on concrete have dependence, refer exclusively to that there are the concrete of good biocompatibility, xoncrete structure and concrete product etc., to this end, it is proposed that a kind of utilize silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, thering is provided a kind of utilizes silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, can be at lake, rivers and creeks bank protection, the engineerings such as highway bank protection can either play safeguard function, greening can be played again attractive in appearance, the function of water and soil conservation, there is excellent environment compatibility, and it is cheap, production technology is easy, meet improving the ecological environment of country, save natural resources and the low-carbon economic policy of sustainable development, take into account economic benefit, social benefit and ecological benefits, have broad application prospects, can effectively solve the problem in background technology.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
The present invention provides a kind of and utilizes silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, described eco-concrete be by coarse aggregate 1550-1600 weight portion, cement 180-210 weight portion, water 63-70 weight portion, silicon ash 45-52 weight portion, microdenier staple 40-50 weight portion, polycarboxylate high-efficiency water reducing agent 2.0-2.5 part weight portion, material through stirring, pour molding.Eco-concrete after molding has the structure hole of continuous communicate-type, and comprcssive strength can reach more than 10MPa, and rupture strength is 1.5～3MPa.Meet it as bank protection, the intensity needs of afforestation project.Its effective drainage porosity can reach 25～about 35%, and pH value can be reduced to about 10, is suitable for plant growing and meiofauna is lived in caves.Eco-concrete is resisted freeze-thaw cycle under freezing environment slowly and be can reach more than 50 times, and its loss of strength is less than 20%, and cryoprotective effects is good.
2, a kind of utilizing silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, eco-concrete is preparation technology comprise the following steps:.
Step one: (1) is by the coarse aggregate prepared and microdenier staple dry mixing 1min so that it is is strongly rubbed with the hands stone roller and disperses；
Step 2: (2) add the material such as cement, silicon ash and continue dry mixing 30s, make material be evenly distributed；
Step 3: (3) are eventually adding water, additive stirring 1min30s, amount to stirring 3min.Eco-concrete directly pours after stirring at the scene, and concrete surface uses template to flatten or short time vibration flattens.Overlay film maintenance 3 days, sows grass seeds and a small amount of Nutrition Soil at concrete surface afterwards.For improving the eco-concrete slope stability to river levee, intend using plant anchoring and anchor pole (or concrete soil nail) mode to anchor river levee, depending on anchoring spacing and concrete grammar are according to practical situation.
The present invention is reached to provide the benefit that: a kind of utilize silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, safeguard function can either be played in the engineerings such as lake, rivers and creeks bank protection, highway bank protection, attractive in appearance, the function of water and soil conservation of greening can be played again, there is excellent environment compatibility, and it is cheap, production technology is easy, meet the low-carbon economic policy of improve the ecological environment, save natural resources and the sustainable development of country, take into account economic benefit, social benefit and ecological benefits, have broad application prospects.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.
Embodiment: the present invention is a kind of utilizes silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, described eco-concrete be by coarse aggregate 1550-1600 weight portion, cement 180-210 weight portion, water 63-70 weight portion, silicon ash 45-52 weight portion, microdenier staple 40-50 weight portion, polycarboxylate high-efficiency water reducing agent 2.0-2.5 part weight portion, material through stirring, pour molding.Eco-concrete after molding has the structure hole of continuous communicate-type, and comprcssive strength can reach more than 10MPa, and rupture strength is 1.5～3MPa.Meet it as bank protection, the intensity needs of afforestation project.Its effective drainage porosity can reach 25～about 35%, and pH value can be reduced to about 10, is suitable for plant growing and meiofauna is lived in caves.Eco-concrete is resisted freeze-thaw cycle under freezing environment slowly and be can reach more than 50 times, and its loss of strength is less than 20%, and cryoprotective effects is good.
2, a kind of utilizing silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, eco-concrete is preparation technology comprise the following steps:.
Step one: (1) is by the coarse aggregate prepared and microdenier staple dry mixing 1min so that it is is strongly rubbed with the hands stone roller and disperses；
Step 2: (2) add the material such as cement, silicon ash and continue dry mixing 30s, make material be evenly distributed；
Step 3: (3) are eventually adding water, additive stirring 1min30s, amount to stirring 3min.Eco-concrete directly pours after stirring at the scene, and concrete surface uses template to flatten or short time vibration flattens.Overlay film maintenance 3 days, sows grass seeds and a small amount of Nutrition Soil at concrete surface afterwards.For improving the eco-concrete slope stability to river levee, intend using plant anchoring and anchor pole (or concrete soil nail) mode to anchor river levee, depending on anchoring spacing and concrete grammar are according to practical situation.
The different mixture ratio (water-cement ratio 0.28, goal porosity 30%) of table 1 regenerated aggregate type vegetation ecological concrete
It should be noted that, the present invention is a kind of to utilize silicon ash-microdenier staple to prepare the method that anti-freezing type plants raw eco-concrete, during work, safeguard function can either be played in the engineerings such as lake, rivers and creeks bank protection, highway bank protection, attractive in appearance, the function of water and soil conservation of greening can be played again, there is excellent environment compatibility, and it is cheap, production technology is easy, meet the low-carbon economic policy of improve the ecological environment, save natural resources and the sustainable development of country, take into account economic benefit, social benefit and ecological benefits, have broad application prospects.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (2)
1. prepare the method that anti-freezing type plants raw eco-concrete for one kind, it is characterised in that described eco-concrete
It is by coarse aggregate 1550-1600 weight portion, cement 180-210 weight portion, water 63-70 weight portion, silicon ash
45-52 weight portion, microdenier staple 40-50 weight portion, polycarboxylate high-efficiency water reducing agent 2.0-2.5 part weight
Part, material through stirring, pour molding.Eco-concrete after molding has the structure hole of continuous communicate-type
Gap, comprcssive strength can reach more than 10MPa, and rupture strength is 1.5～3MPa.Meet it as bank protection, green
The intensity of chemical industry journey needs.Its effective drainage porosity can reach 25～about 35%, and pH value can be reduced to about 10,
It is suitable for plant growing and meiofauna is lived in caves.Eco-concrete is resisted freeze-thaw cycle under freezing environment slowly and be can reach
More than 50 times, its loss of strength is less than 20%, and cryoprotective effects is good.
The most according to claim 1 a kind of prepare the method that anti-freezing type plants raw eco-concrete, ecological coagulation
Soil is preparation technology comprise the following steps:.
Step one: (1) is by the coarse aggregate prepared and microdenier staple dry mixing 1min so that it is strongly rubbed with the hands
Grind and disperse；
Step 2: (2) add the material such as cement, silicon ash and continue dry mixing 30s, make material be evenly distributed；
Step 3: (3) are eventually adding water, additive stirring 1min30s, amount to stirring 3min.Ecological coagulation
Soil directly pours after stirring at the scene, and concrete surface uses template to flatten or short time vibration flattens.Overlay film is supported
Protect 3 days, sow grass seeds and a small amount of Nutrition Soil at concrete surface afterwards.For improving eco-concrete to river levee
Slope stability, intends using plant anchoring and anchor pole (or concrete soil nail) mode to anchor river levee, anchors spacing
With concrete grammar according to practical situation depending on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610025106.6A CN105924052B (en) | 2016-01-14 | 2016-01-14 | A kind of method for preparing anti-freezing type and planting raw eco-concrete |
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| CN201610025106.6A CN105924052B (en) | 2016-01-14 | 2016-01-14 | A kind of method for preparing anti-freezing type and planting raw eco-concrete |
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| CN105924052A true CN105924052A (en) | 2016-09-07 |
| CN105924052B CN105924052B (en) | 2018-06-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451867A (en) * | 2019-08-22 | 2019-11-15 | 自然资源部第四海洋研究所 | A kind of preparation method of high porosity eco-concrete |
| CN111302734A (en) * | 2020-03-17 | 2020-06-19 | 安徽农业大学 | Protective building material for farmland ditches and preparation method thereof |
| CN112374850A (en) * | 2020-11-06 | 2021-02-19 | 中国地质大学（武汉） | Anti-freezing concrete and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495147A (en) * | 2002-07-08 | 2004-05-12 | 韩水道路产业股份有限公司 | High-voids porous concrete and construction method for hank and slope protection |
| CN101037598A (en) * | 2007-03-30 | 2007-09-19 | 成都理工大学 | Ecological slope protection substrate |
| CN101486555A (en) * | 2009-02-20 | 2009-07-22 | Jck株式会社 | Cast-in-situ invert filter type pervious ecological concrete and method for constructing slope protection thereof |
-
2016
- 2016-01-14 CN CN201610025106.6A patent/CN105924052B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495147A (en) * | 2002-07-08 | 2004-05-12 | 韩水道路产业股份有限公司 | High-voids porous concrete and construction method for hank and slope protection |
| CN101037598A (en) * | 2007-03-30 | 2007-09-19 | 成都理工大学 | Ecological slope protection substrate |
| CN101486555A (en) * | 2009-02-20 | 2009-07-22 | Jck株式会社 | Cast-in-situ invert filter type pervious ecological concrete and method for constructing slope protection thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451867A (en) * | 2019-08-22 | 2019-11-15 | 自然资源部第四海洋研究所 | A kind of preparation method of high porosity eco-concrete |
| CN111302734A (en) * | 2020-03-17 | 2020-06-19 | 安徽农业大学 | Protective building material for farmland ditches and preparation method thereof |
| CN112374850A (en) * | 2020-11-06 | 2021-02-19 | 中国地质大学（武汉） | Anti-freezing concrete and preparation method thereof |
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| CN105924052B (en) | 2018-06-29 |
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