CN102320781A - Cast-in-place plant growing type eco-concrete and application thereof - Google Patents
Cast-in-place plant growing type eco-concrete and application thereof Download PDFInfo
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- CN102320781A CN102320781A CN201110142814A CN201110142814A CN102320781A CN 102320781 A CN102320781 A CN 102320781A CN 201110142814 A CN201110142814 A CN 201110142814A CN 201110142814 A CN201110142814 A CN 201110142814A CN 102320781 A CN102320781 A CN 102320781A
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Abstract
The invention relates to concrete, in particular to cast-in-place plant growing type eco-concrete and an application thereof. The cast-in-place plant growing type eco-concrete provided by the invention is prepared from the following raw materials in percentage by weight in each per cubic meter concrete: 200kg to 350kg of cement, 80 to 150kg of water, 1250 to 1650kg of coarse aggregate, 180 to 280kg of fine aggregate and 4 to 6L of admixtures special for ZS series eco-concrete. Compared with the prior art, the plant growing type eco-concrete has the advantages that after the plant growing type eco-concrete is cast, communicated continuous gaps are formed, the structure is similar to a swelled candy rice shape, excellent compressive strength, durability, construction performance and porosity are reached, a plant root system can go deep into a base layer, and double effects of slope reinforcement and ecological greening are reached. Compared with the ordinary concrete, the plant growing type eco-concrete has the superiority in the aspects of drainage (permeability), stability, scouring resistance performance and loss resistance performance, landscape, natural environment capability improvement and the like.
Description
Technical field
The present invention relates to concrete, be specifically related to a kind of cast-in-place vegetation type ecological concrete and application thereof.
Background technology
Concrete, is used in Infrastructure and the various buildings because of the easy property that materials supply are arranged, the plurality of advantages such as freedom, weather resistance and resistivity against fire of shaping as building materials widely, and very big contribution has been made in social development.But; Concrete a large amount of use has also destroyed physical environments such as trees, water; Hindered plant-animal to perch, added ignorance, be prone to cause a series of natural disasteies such as soil erosion, landslide, rubble flow, soil desertification and salinization resource management of lake, river and ecological environmental protection.As the China of developing country, be faced with this severe problem.So the 21 century mankind should be target with the Sustainable development, repair, create global environment, and try hard to get along with plant-animal.In order to repair and create global environment, make it to be returned to original state that self purifies, research and develop a kind of concrete product innovation of protecting and improving the ecological environment, new technology has just become the task of top priority.Therefore the research of eco-concrete is also arisen at the historic moment.
China is a construction work big country; Need a large amount of eco-concrete engineering of building every year; But it is real all need to shake puddling during existing eco-concrete technology site operation; Operating efficiency is not high, and is difficult to satisfy increasingly high environmental requirement water-permeable, stability, anti-washing aspect pick and flow and failure property, the view property.
Summary of the invention
The technical problem that the present invention will solve is the above-mentioned shortcoming that overcomes prior art, and a kind of cast-in-place vegetation type ecological concrete and application thereof are provided.
Cast-in-place vegetation type ecological concrete provided by the present invention comprises that by every cubic meter of concrete following materials of weight proportions makes:
Cement: 200kg～350kg;
Water: 80～150kg;
Coarse aggregate: 1250～1650kg;
Fine aggregate: 180～280kg;
ZS series eco-concrete special additive: 4～6L.
Cast-in-place vegetation type ecological concrete of the present invention preferably, comprises that by every cubic meter of concrete following materials of weight proportions makes:
Cement: 250kg～300kg;
Water: 100～120kg;
Coarse aggregate: 1420～1520kg;
Fine aggregate: 200～250kg;
ZS series eco-concrete special additive: 5L.
Preferably,
Described cement can adopt silicate cement.
Described coarse aggregate is rubble, cobble, float stone, artificial porousness light material, brickbat, glass or concrete etc.; The particle size range of coarse aggregate is between 16.5～31.5mm.
Described fine aggregate is river sand, extra large sand or stone sand.
Said cast-in-place vegetation type ecological pore fluid of concrete rate is 20%～30%.
Said cast-in-place vegetation type ecological concrete crushing strength is 15～25MPa.
The concrete application of cast-in-place vegetation type ecological of the present invention may further comprise the steps:
(1) pouring frame structure
Concrete frame adopts normal concrete cast in situs to form, and confirms the length of side of framework according to field condition;
(2) the concrete cast in situs of vegetation type ecological
Irrigation technology is watered at vegetation type ecological concrete employing scene, adopts concrete delivery truck to transport or be configured at the scene, stir, and builds then;
(3) maintenance
Eco-concrete began the maintenance of sprinkling water in back 1 day in cast, and maintenance got final product more than seven days.
Compared with prior art; The continuous hole that has connection after vegetation type ecological concrete placement of the present invention is good; Similar swelled candy rice shape; Have good ultimate compression strength, weather resistance, workability and porosity, root system of plant can be deep into basic unit, has not only reached slope reinforcement but also has reached the double effects of ecological afforestation.With compared with normal concrete, drainage (water-permeable), stability, anti-wash pick and flow and failure property, view property and improve aspect such as physical environment ability all have meliority.
Embodiment
Specific embodiments more of the present invention below are provided, understand the present invention to help further.
Embodiment 1
Comprise that by every cubic meter of concrete following materials of weight proportions gets material:
Cement: 250kg～300kg;
Water: 100～120kg;
Coarse aggregate: 1420～1520kg;
Fine aggregate: 200～250kg;
ZS series eco-concrete special additive: 5L.
Have the cast-in-place composition design of planting living eco-concrete of planting living function and should satisfy the requirement of several respects such as intensity, porosity, acid-basicity simultaneously.According to the desired porosity of cellular concrete with and constitutional features, can think 1m
3Concrete outward appearance volume is piled up by aggregate and is formed.Therefore, the proportioning designing principle is that sand-cement slurry can be adhered to one another with the coarse aggregate particle, forms an integral body, has certain intensity, and need not fill the hole between the aggregate closely knit.1m
3The quality of cellular concrete should be closelypacked aggregate and cement consumption and water consumption sum, and is big in the scope of 1600～2100kg.
According to this principle, can tentatively confirm cast-in-place proportioning of planting living eco-concrete, like following table:
| Coarse aggregate/kg | Fine aggregate/kg | Cement/kg | ZS/L | Wc | Water/L |
| 1400 | 200 | 250 | 37.5 | 0.42～0.46 | 67.5～77.5 |
Wherein, the amount of said composition changes according to site test results; General ultimate compression strength is between 10-20MPa (28 days intensity) all, and porosity is controlled at 20-30%, and coefficient of permeability is controlled at 0.5～5cm/s, and the pH value of eco-concrete is controlled at about 10.
Cement generally adopts ordinary Portland cement, and No. 425 cement is advisable; Consumption generally is controlled in 200～300kg/m3 scope.
Coarse aggregate need adopt single grating, can adopt common rubble, cobble, also can adopt float stone and artificial porousness light material, even can adopt depleted brickbat, glass, concrete etc.; The particle size range of aggregate is between 16.5～31.5mm.Fine aggregate is river sand, extra large sand, stone sand etc.The aggregate consumption adopts volumetric method to confirm according to various character such as the grating of thick, the fine aggregate of locality supply, proportions.The use range of aggregate is between 60%～90% (volume occupation rate).
The ZS series additive is a kind of eco-concrete specialist additive, is the brown xanchromatic inanimate matter suspension-s of major ingredient with ground silica, calcium powder, and density is 1.28g/ml, and the pH value is between 3-4.This admixture enough improves the mechanical strength and the weather resistance of eco-concrete, controls and guarantees its water-permeable, porosity and homogeneity etc., improves its function such as chemoresistance, potential of hydrogen and the bioaffinity inner and surface.
This is cast-in-place, and to plant living eco-concrete be with (particle diameter thick, fine aggregate needs and protected sloping body mound material is complementary through thick, fine aggregate; To consider simultaneously plant growth, support part demand etc.), after cement and special-purpose eco-concrete admixture ZS-2 fully mix, build at the scene, natural curing.
That builds plants the continuous hole that living eco-concrete surface has connection; Similar swelled candy rice shape; Have good ultimate compression strength, weather resistance, workability and porosity, root system of plant can be deep into basic unit, has not only reached slope reinforcement but also has reached the double effects of ecological afforestation.With compared with normal concrete, drainage (water-permeable), stability, anti-wash pick and flow and failure property, view property and improve aspect such as physical environment ability all have meliority.
(1), skeleton construction
Concrete frame adopts normal concrete cast in situs to form, and confirms the length of side of framework according to field condition.The main effect of concrete frame is not to improve domatic stability and prevent to collapse, but with the domatic workability that is constrained to one with eco-concrete and improves eco-concrete.When being set, concrete frame (horizontal, vertical frame) size to consider many factors such as application property, domatic length and the gradient.Generally, whole framework is that the basic grid of 2-3m constitutes by the length of side.Sash deck-molding * wide=20cm * 20cm～30cm * 30cm.
(2), plant the cast in situs of living eco-concrete
Plant living eco-concrete employing scene and water irrigation technology.According to practical situation, eco-concrete can adopt concrete delivery truck to transport, and also can be configured at the scene, stir, and builds then.
If on-the-spot the stirring constructed; Should adopt the drum-type forced stirrer; Be docile and obedient input 1/2 coarse aggregate, fine aggregate, cement, 1/2 coarse aggregate stone by the construction proportioning of design, stir in advance more than one minute, the portion water that adds proportioning then stirred one minute; Add admixture again and mix the back with the surplus water of proportioning and add in the concrete, stir and to begin discharging in about 3 minutes and build.
If transport and build through the truck mounted truck with grout mixer and water tank, drop into coarse-fine aggregate, cement by the construction proportioning that designs at the commerical ready-mixed concrete stirring station, stir in advance more than one minute, be transported to the scene.Drop into admixture and water at the scene, discharging is built after high-speed stirring 3-4 minute.
(3) maintenance
Eco-concrete should begin the maintenance of sprinkling water in back 1 day in cast.The maintenance of all need sprinkling water after turf is laid the back or planted the sward kind, penetrating pore fluid of concrete until root system, to carry out below native naturally.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. cast-in-place vegetation type ecological concrete is characterized in that, comprises that by every cubic meter of concrete following materials of weight proportions makes:
Cement: 200kg～350kg;
Water: 80～150kg;
Coarse aggregate: 1250～1650kg;
Fine aggregate: 180～280kg;
ZS series eco-concrete special additive: 4～6L.
2. cast-in-place vegetation type ecological concrete according to claim 1 is characterized in that, comprises that by every cubic meter of concrete following materials of weight proportions makes:
Cement: 250kg～300kg;
Water: 100～120kg;
Coarse aggregate: 1420～1520kg;
Fine aggregate: 200～250kg;
ZS series eco-concrete special additive: 5L.
3. according to claim 1 or 2 described cast-in-place vegetation type ecological concrete, it is characterized in that described cement is silicate cement.
4. according to claim 1 or 2 described cast-in-place vegetation type ecological concrete, it is characterized in that described coarse aggregate is rubble, cobble, float stone, artificial porousness light material, brickbat, glass or concrete; The particle size range of coarse aggregate is between 16.5～31.5mm.
5. according to claim 1 or 2 described cast-in-place vegetation type ecological concrete, it is characterized in that described fine aggregate is river sand, extra large sand or stone sand.
6. according to claim 1 or 2 described cast-in-place vegetation type ecological concrete, it is characterized in that said cast-in-place vegetation type ecological pore fluid of concrete rate is 20%～30%.
7. according to claim 1 or 2 described cast-in-place vegetation type ecological concrete, it is characterized in that said cast-in-place vegetation type ecological concrete crushing strength is 15～25MPa.
8. the concrete application of claim 1 to the 7 described cast-in-place vegetation type ecological of any claim is characterized in that, may further comprise the steps:
(1) pouring frame structure
Concrete frame adopts normal concrete cast in situs to form, and confirms the length of side of framework according to field condition;
(2) the concrete cast in situs of vegetation type ecological
Irrigation technology is watered at vegetation type ecological concrete employing scene, adopts concrete delivery truck to transport or be configured at the scene, stir, and builds then;
(3) maintenance
Eco-concrete began the maintenance of sprinkling water in back 1 day in cast, and maintenance got final product more than seven days.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243680A (en) * | 2012-02-06 | 2013-08-14 | 北京亚盟达新型材料技术有限公司 | Retaining wall building block with reverse filtering function |
| CN104058672A (en) * | 2014-07-04 | 2014-09-24 | 扬州大学 | Composite aggregate planting concrete with decontamination function and preparation method of composite aggregate planting concrete |
| CN104129963A (en) * | 2014-07-31 | 2014-11-05 | 济南大学 | Light plant-growing concrete applicable to wetland protection project |
| CN105645871A (en) * | 2015-12-31 | 2016-06-08 | 扬州大学 | Decontamination-type kieselguhr porous recycled concrete and preparation method thereof |
| CN106699058A (en) * | 2016-12-20 | 2017-05-24 | 江苏大学 | Ecological concrete |
| CN108560570A (en) * | 2018-01-10 | 2018-09-21 | 河海大学 | A kind of Clay Slopes resistance to erosion pervious ecological mask and its construction method |
| CN108609970A (en) * | 2018-05-22 | 2018-10-02 | 深圳港创建材股份有限公司 | A kind of high intensity retardation setting type concrete for plant growth and preparation method thereof |
| CN109618874A (en) * | 2019-01-31 | 2019-04-16 | 贵州汇筑佳环保科技有限责任公司 | A kind of ardealite vegetation and preparation method thereof |
| CN109665779A (en) * | 2019-01-23 | 2019-04-23 | 中国城市科学研究会 | A kind of eco-concrete and preparation method containing hi-efficient hygroscopic agent |
| CN111302734A (en) * | 2020-03-17 | 2020-06-19 | 安徽农业大学 | Protective building material for farmland ditches and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2011
- 2011-05-30 CN CN201110142814A patent/CN102320781A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243680A (en) * | 2012-02-06 | 2013-08-14 | 北京亚盟达新型材料技术有限公司 | Retaining wall building block with reverse filtering function |
| CN104058672A (en) * | 2014-07-04 | 2014-09-24 | 扬州大学 | Composite aggregate planting concrete with decontamination function and preparation method of composite aggregate planting concrete |
| CN104058672B (en) * | 2014-07-04 | 2016-03-02 | 扬州大学 | A kind of composite aggregate concrete for plant growth with dirt-removing functions and preparation method thereof |
| CN104129963A (en) * | 2014-07-31 | 2014-11-05 | 济南大学 | Light plant-growing concrete applicable to wetland protection project |
| CN105645871A (en) * | 2015-12-31 | 2016-06-08 | 扬州大学 | Decontamination-type kieselguhr porous recycled concrete and preparation method thereof |
| CN106699058A (en) * | 2016-12-20 | 2017-05-24 | 江苏大学 | Ecological concrete |
| CN108560570A (en) * | 2018-01-10 | 2018-09-21 | 河海大学 | A kind of Clay Slopes resistance to erosion pervious ecological mask and its construction method |
| CN108609970A (en) * | 2018-05-22 | 2018-10-02 | 深圳港创建材股份有限公司 | A kind of high intensity retardation setting type concrete for plant growth and preparation method thereof |
| CN108609970B (en) * | 2018-05-22 | 2021-02-09 | 深圳港创建材股份有限公司 | High-strength slow-setting type plant-growing concrete and preparation method thereof |
| CN109665779A (en) * | 2019-01-23 | 2019-04-23 | 中国城市科学研究会 | A kind of eco-concrete and preparation method containing hi-efficient hygroscopic agent |
| CN109618874A (en) * | 2019-01-31 | 2019-04-16 | 贵州汇筑佳环保科技有限责任公司 | A kind of ardealite vegetation and preparation method thereof |
| CN109618874B (en) * | 2019-01-31 | 2021-05-14 | 石家庄筑佳节能产品科技有限责任公司 | Phosphogypsum vegetation and preparation method thereof |
| CN111302734A (en) * | 2020-03-17 | 2020-06-19 | 安徽农业大学 | Protective building material for farmland ditches and preparation method thereof |
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Application publication date: 20120118 |