CN109369112A - A kind of grass planting concrete construction and preparation method thereof based on draft root system configuration - Google Patents
A kind of grass planting concrete construction and preparation method thereof based on draft root system configuration Download PDFInfo
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- CN109369112A CN109369112A CN201811529421.8A CN201811529421A CN109369112A CN 109369112 A CN109369112 A CN 109369112A CN 201811529421 A CN201811529421 A CN 201811529421A CN 109369112 A CN109369112 A CN 109369112A
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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
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00758—Uses not provided for elsewhere in C04B2111/00 for agri-, sylvi- or piscicultural or cattle-breeding applications
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Abstract
The invention discloses a kind of grass planting concrete construction and preparation method thereof based on draft root system configuration, grass planting concrete is by grass planting concrete multi-level structure composition, according to the natural growth rhythm of root density and root diameter, it is divided into layer 2-4, overall thickness is 10~15cm, and the porosity of grass planting concrete is in 10~35% ranges.Grass planting concrete is prepared by the raw material of following parts by weight: 113--313 parts of cement, 1421--1568 parts of coarse aggregate, 113--313 parts of fine aggregate, 2--10 parts of hardening agent, and 0.23-0.63 part of water-reducing agent, 29--95 parts of water.Preparation method of the invention comprehensively considers from microscopical structure feature and vegetation physiological growth characteristic parameter angle, help to provide the good growing space of science and growth conditions for plant root growth, improve growth vigor and coverage rate of the herbaceous plant in concrete, tension, anti-folding, bending resistance and the anti-filter performance for promoting concrete, form " draft-concrete-soil " complex for adapting to plant nature growth rhythm.
Description
Technical field
The present invention relates to ecological engineering technologies, are based on grass more particularly, to the one kind for following draft root system nature growth rhythm
Grass planting concrete construction of this root system configuration and preparation method thereof.
Background technique
Under the extremely arduous background of current China's ecological construction task, ecology is carried out to engineering measure using biological control measure
It protects more more and more urgent, therefore promotes and applies the ecological technique that combines with herbaceous plant of concrete and product has and greatly answers
With prospect, space and market.
Since the 90's of 20th century, Japanese concrete engineering association proposes the concept of eco-concrete, learns at present
Persons mainly conduct a research in the Macroscopic physical of grass planting concrete, mechanics and the raw aspect of performance of plant.So-called grass planting concrete is one
Class special concrete material injects nutrient soil in the hole of concrete, draft using random macroporosity concrete as skeleton
Root system is grown in concrete pore, and plant is combined together with concrete, forms the environment with some strength and vegetative coverage
The eco-concrete of friendly.
Yearning with the development and people of Social Ecology civilization construction to good life, grass planting concrete is in water conservancy, friendship
Ying Ersheng is transported in the river slope protection works in fields such as logical, ground mine, territory and municipal administration.However, being given birth to naturally under soil environment
Long draft is compared, and grass planting concrete has special random pore structure, this has certain restriction effect to the growth of draft.
The mechanical strength and structure hole of grass planting concrete be it is conflicting, pursue partial size it is big, hole is big when, though be conducive to plant
Growth, but resistance to compression and flexural strength will reduce；Partial size is small, and hole is small, and intensity increases but do not adapt to plant root growth
Demand so that draft survival rate and growth vigor reduce, the overall performance of " draft-concrete-soil complex " weakens.
Summary of the invention
The first purpose of the invention is to provide one kind to follow draft root system nature growth rhythm, can satisfy engineering strength
It is required that, greening require and Ecological regulation services and effect, structure easily be layered, resistance to compression, anti-folding and anti-bending strength by force, easy construction,
The grass planting concrete construction based on draft root system configuration of high-efficiency environment friendly.
A second object of the present invention is to provide a kind of preparation sides of grass planting concrete construction based on draft root system configuration
Method.
The first purpose of this invention is achieved in that
A kind of grass planting concrete construction based on draft root system configuration, is characterized in: grass planting concrete is by the random hole construction of multilayer
Composition, the coarse aggregate size from upper layer to lower layer is gradually reduced, while the porosity of grass planting concrete is reduced to 10% by 35%, shape
At the multilayered structure grass planting concrete for adapting to herbaceous plant nature growth rhythm.
According to the natural growth rhythm of root density and root diameter, the overall thickness of grass planting concrete is 10~15cm, by grass planting
Concrete is divided into 2-4 level from longitudinal cross-section: when dividing 2 layers, the thickness ratio of upper layer and lower layer is 1:2-1:1；When dividing 3 layers,
The thickness ratio on upper layer, middle layer and lower layer is 1.5:2:1；At points 4 layers, upper layer, at the middle and upper levels, the thickness ratio of middle lower layer and lower layer be
2.5: 2: 2: 1；The porosity of grass planting concrete is 10-35%.
According to the herbaceous plant nature growth rhythm of root diameter size, the partial size of coarse aggregate is matched from large to small along depth direction
System, the porosity of grass planting concrete is according to the draft natural law, and the partial size of upper layer coarse aggregate is larger, and more concentrates, using big
The coarse aggregate of partial size prepares celluar concrete, and the porosity of the grass planting concrete on upper layer is controlled in 30-35%, middle layer or lower layer's root
According to the size of the variation adjustment coarse aggregate size of root quantity, the porosity of the grass planting concrete in middle layer is 15~30%, lower layer
The porosity of grass planting concrete is 10%~15%.
The herbaceous plant nature growth rhythm gradually subtracts to meet the density of Herb Root with the increase of depth
Few, root diameter size is gradually reduced with the increase of depth, and root system intensity is different, the most root of draft of generally shorter root system
System concentrates within the 10-15cm of top, and the most root system of the draft of longer root system concentrates within the 30-60cm of top.
Grass planting concrete is prepared by following raw material in parts by weight: 113--313 parts of cement, coarse aggregate 1421--
1568 parts, 113--313 parts of fine aggregate, 2--10 parts of hardening agent, 0.23-0.63 part of water-reducing agent, 29--95 parts of water.
The cement is R42.5 ordinary portland cement.
The coarse aggregate is artificial rubble and natural pebble, and partial size is 10~40mm, and large-sized coarse aggregate is 30mm
~40mm.
The fine aggregate is natural sand or artificial sand.
The hardening agent is one of following material: epoxy resin, unsaturated polyester (UP), the third cream it is polymer-bonded
Agent.
The water-reducing agent is polycarboxylate water-reducer.
Second object of the present invention is achieved in that
A kind of preparation method of the grass planting concrete construction based on draft root system configuration, be characterized in: specific step is as follows:
(1), same gradation coarse aggregate, the fine aggregate of lower layer are added to blender, stirred evenly；
(2), cement is added and continues dry mixing 30s, material is made to be evenly distributed；
(3), it is eventually adding water, hardening agent, water-reducing agent stirring 120s, amounts to stirring 3.5min；
(4), the surface that will be close to the lower-layer concrete of ground is flattened using template or short time vibration flattens；
(5), by upper one layer of repetition (1)-(4) of lower layer the step of, cross construction are successively laid with, until upper layer；
(6), natural soil, plant ash, durable composite fertilizer and water are mixed in 1000:30:0.5:600 ratio, stirs evenly, matches
It is set to the suitable nutrient soil of paste, mobility, water pump is reused and is filled into liquid/paste in the hole of grass planting concrete；And
Perfusion；
(7), sow and be laid with plant；
(8), sprinkling maintenance early period finally obtains grass planting concrete construction.
Grass planting concrete construction of the invention is to infuse nutrient soil using the grass planting concrete of random macroporosity as skeleton
In the hole for entering grass planting concrete, draft root system is grown in the hole of grass planting concrete, and it is one that plant is melted with grass planting concrete
Body forms the environmentally friendly eco-concrete with some strength and vegetative coverage.Preparation method of the invention is from coagulation
The microscopical structures features such as native pore structure, porosity, the quantity in hole, dispersion degree and vegetation physiological growth characteristic parameter angle are comprehensive
Consider, helps to provide the good growing space of science and growth conditions for plant root growth, improve herbaceous plant in coagulation
Growth vigor and coverage rate in soil promote resistance to compression, anti-folding, bending resistance and the anti-filter performance of concrete, are formed and adapt to plant nature
" draft-concrete-soil " complex of growth rhythm.
Compared with prior art, the remarkable result that the present invention has is:
1, multilayer grass planting concrete construction of the invention has the natural characteristic for complying with plant growth, the more life of suitable for plant
Long, the combination of draft root system and grass planting concrete in grass planting concrete can be improved in it, makes the entirety of grass planting concrete
Mechanical property and intensity greatly improve, and take into account plant life and security function, while also acting as certain anti-filter effect, increase bank slope
Soil conservation.It is difficult to the technology of base that the intensity for solving current grass planting concrete is not high, bad, draft of planting fruit of coming into force is difficult to penetrate
Topic breaches the technology for reducing growth resistant, while can also increase the thickness of grass planting concrete, and how structurally reasonable preparation is to increase
The performances such as strong resistance to compression, tension and anti-filter；
2, the structure of grass planting concrete of the present invention follows the pore property of draft root system nature growth rhythm, significantly improves plant
The physiological environment of object growth, improves the growth vigor of plant, finally improves the survival rate of grass planting in grass planting concrete, covering
Rate and growing way maintain the Nature Link of water and bank, maintain bio-diversity；
3, structure of the invention is simple, and cast-in-place or preformed patterns can be used, and is easy to construct, and is conducive to produce streamlined and scale
Change, can be widely applied to the improvement of the Ecological Slopes such as water conservancy, traffic, ground mine, territory and municipal administration.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure for being suitable for the grass planting concrete of longer fibrous root type；
Fig. 2 is the cross-sectional view of the structure for being suitable for the grass planting concrete compared with short hairs root type；
Fig. 3 is the cross-sectional view of the structure for being suitable for the grass planting concrete of taproot type.
Specific embodiment
In order to make content of the present invention easily facilitate understanding, below with reference to embodiment, for the specific of different draft
Embodiment is described in further detail technical solutions according to the invention, but the present invention is not limited only to this.
Embodiment 1:
For longer fibrous root type herbaceous plant, such as vetiver, herba eleusines indicae, without obvious main root type, the radical density of root system is concentrated
Within 40cm, the fibrous root distribution within the scope of the grass planting concrete thickness in addition to upper layer is more uniform.
The overall thickness of grass planting concrete is 12cm, is divided into 2 levels, upper layer 4cm, and lower layer is 8 cm.
In Fig. 1, upper layer 1 is the grass planting concrete layer of big partial size coarse aggregate, and lower layer 4 is that the grass planting of middle small particle coarse aggregate is mixed
Solidifying soil layer is planted by cursive script 7 in grass planting concrete eight, and long root system 10 passes through the hole 9 of grass planting concrete, penetrates grass planting concrete
Lower layer enters soil layer 11.
The porosity of the grass planting concrete on upper layer 1 is controlled 35%, using the big partial size coarse aggregate of 30mm~40mm, lower layer 4
Grass planting concrete porosity control 10~15%, using the middle small particle coarse aggregate of the mm of 10mm~20.
Upper layer grass planting concrete is prepared by raw material as follows in parts by weight: 113 parts of cement, 1568 parts of coarse aggregate,
113 parts of fine aggregate, 10 parts of hardening agent, 0.23 part of water-reducing agent, 29 parts of water.Lower layer's grass planting concrete is by original as follows in parts by weight
Material is prepared: 262--313 parts of cement, 1450 parts of coarse aggregate, 262--313 parts of fine aggregate, 2--4 parts of hardening agent, and water-reducing agent
0.52-0.63 part, 80--95 parts of water.
Embodiment 2
It is concentrated within the scope of 2-6cm for compared with short hairs root type herbaceous plant, such as the radical density of Bermuda grass, Festuca Arundinacea, root system.
The overall thickness of grass planting concrete is 13cm, is divided into 3 levels, and lift height is respectively upper layer 4cm, middle layer 6cm, under
Layer 3cm.
In Fig. 2, upper layer 1 is the grass planting concrete layer of big partial size coarse aggregate, and middle layer 2 is the grass planting coagulation of middle partial size coarse aggregate
Soil layer, lower layer 3 are the grass planting concrete layer of small particle coarse aggregate, are planted by cursive script 7 in grass planting concrete eight, the short root system 10 of draft is logical
The hole 9 of grass planting concrete is crossed, the lower layer of partial penetration grass planting concrete enters soil layer 11.
By the control of the porosity of the grass planting concrete on upper layer 1 30%, using the big partial size coarse aggregate of 30mm~35mm, in
The porosity control of the grass planting concrete of layer 2 is 15~20%, using the middle small particle coarse aggregate of the mm of 10mm~20, lower layer 3
The porosity of grass planting concrete is controlled 10~15%, using the small particle coarse aggregate of 10mm.
Upper layer grass planting concrete is prepared by raw material as follows in parts by weight: 117 parts of cement, 1568 parts of coarse aggregate,
117 parts of fine aggregate, 10 parts of hardening agent, 0.23 part of water-reducing agent, 36 parts of water.Middle layer grass planting concrete is by original as follows in parts by weight
Material is prepared: 211--262 parts of cement, 1450 parts of coarse aggregate, 211--262 parts of fine aggregate, 4--6 parts of hardening agent, and water-reducing agent
0.42-0.52 part, 64--80 parts of water.Lower layer's grass planting concrete is prepared by raw material as follows in parts by weight: cement
262--313 parts, 1421 parts of coarse aggregate, 262--313 parts of fine aggregate, 2--3 parts of hardening agent, 0.52-0.63 part of water-reducing agent, water
80--95 parts.
Embodiment 3:
For taproot type herbaceous plant, such as alfalfa.The radical density of root system concentrates within the scope of 0-10cm.
The overall thickness of grass planting concrete is 15cm, is divided into 4 levels, and lift height is respectively upper layer 5cm, at the middle and upper levels 4cm,
Middle lower layer 4cm, bottom 2cm.
In Fig. 3, upper layer 1 is the grass planting concrete layer of big partial size coarse aggregate, and 5 is mixed for the grass planting of middle partial size coarse aggregate at the middle and upper levels
Solidifying soil layer, at the middle and upper levels 6 be middle partial size coarse aggregate grass planting concrete layer, lower layer 3 is the grass planting concrete layer of small particle coarse aggregate,
It is planted by cursive script 7 in grass planting concrete eight, the short root system 10 of draft passes through the hole 9 of grass planting concrete, partial penetration grass planting concrete
Lower layer enters soil layer 11.
The porosity of the grass planting concrete on upper layer 1 is controlled 30%, using the big partial size coarse aggregate of 30mm~35mm；In
The porosity of the grass planting concrete on upper layer 5 is controlled 25%, using the middle small particle coarse aggregate of the mm of 15mm~25；Middle lower layer 6
The porosity of grass planting concrete is controlled 20%, using the middle small particle coarse aggregate of the mm of 10mm~20；The grass planting concrete of lower layer 3
Porosity control 10~15%, using the coarse aggregate of 10mm small particle.
Upper layer grass planting concrete is prepared by raw material as follows in parts by weight: 117 parts of cement, 1568 parts of coarse aggregate,
117 parts of fine aggregate, 10 parts of hardening agent, 0.23 part of water-reducing agent, 36 parts of water.Grass planting concrete is by as follows in parts by weight at the middle and upper levels
Raw material is prepared: 170 parts of cement, 1480 parts of coarse aggregate, 170 parts of fine aggregate, 5 parts of hardening agent, and 0.34 part of water-reducing agent, water 52
Part.Middle lower layer's grass planting concrete is prepared by raw material as follows in parts by weight: 211 parts of cement, 1450 parts of coarse aggregate, thin bone
211 parts, 5 parts of hardening agent, 0.42 part of water-reducing agent, 64 parts of water of material.Lower layer's grass planting concrete is by raw material system as follows in parts by weight
It is standby to form: 262--313 parts of cement, 1421 parts of coarse aggregate, 262--313 parts of fine aggregate, 2--3 parts of hardening agent, water-reducing agent 0.52-
0.63 part, 80--95 parts of water.
Claims (10)
1. a kind of grass planting concrete construction based on draft root system configuration, it is characterised in that: grass planting concrete is random by multilayer
Hole contexture, the coarse aggregate size from upper layer to lower layer are gradually reduced, while the porosity of grass planting concrete is reduced to by 35%
10%, form the multilayered structure grass planting concrete for adapting to herbaceous plant nature growth rhythm.
2. the grass planting concrete construction according to claim 1 based on draft root system configuration, it is characterised in that: according to root system
The natural growth rhythm of density and root diameter, the overall thickness of grass planting concrete are 10~15cm, by grass planting concrete from longitudinal cross-section
Be divided into 2-4 level: when dividing 2 layers, the thickness ratio of upper layer and lower layer is 1:2-1:1；When dividing 3 layers, upper layer, middle layer and lower layer
Thickness ratio be 1.5:2:1；At points 4 layers, upper layer, at the middle and upper levels, the thickness ratio of middle lower layer and lower layer be 2.5:2:2:1；It plants
The porosity of careless concrete is 10-35%.
3. the grass planting concrete construction according to claim 1 based on draft root system configuration, it is characterised in that: according to root diameter
The herbaceous plant of size is prepared from growth rhythm, the partial size of coarse aggregate along depth direction from large to small, the hole of grass planting concrete
For rate according to the draft natural law, the partial size of upper layer coarse aggregate is larger, and more concentrates, and is prepared using large-sized coarse aggregate porous
The porosity control of concrete, the grass planting concrete on upper layer is adjusted in 30-35%, middle layer or lower layer according to the variation of root quantity
The porosity of the size of coarse aggregate size, the grass planting concrete in middle layer is 15~30%, and the porosity of the grass planting concrete of lower layer is
10%~15%.
4. the grass planting concrete construction according to claim 1 based on draft root system configuration, it is characterised in that: grass planting coagulation
Soil is made of following raw material in parts by weight: 113--313 parts of cement, 1421--1568 parts of coarse aggregate, fine aggregate 113--313
Part, 2--10 parts of hardening agent, 0.23-0.63 part of water-reducing agent, 29--95 parts of water.
5. the grass planting concrete construction according to claim 4 based on draft root system configuration, it is characterised in that: the water
Mud is R42.5 ordinary portland cement.
6. the grass planting concrete construction according to claim 4 based on draft root system configuration, it is characterised in that: described is thick
Aggregate is artificial rubble and natural pebble, and partial size is 10~40mm, and large-sized coarse aggregate is 30mm~40mm.
7. the grass planting concrete construction according to claim 4 based on draft root system configuration, it is characterised in that: described is thin
Aggregate is natural sand or artificial sand.
8. the grass planting concrete construction according to claim 4 based on draft root system configuration, it is characterised in that: described is strong
Agent is one of following material: epoxy resin, unsaturated polyester (UP), the third newborn polymer adhesive.
9. the grass planting concrete construction according to claim 4 based on draft root system configuration, it is characterised in that: water-reducing agent is
Polycarboxylate water-reducer.
10. a kind of preparation method of the grass planting concrete construction based on draft root system configuration, be characterized in: specific step is as follows:
(1), same gradation coarse aggregate, the fine aggregate of lower layer are added to blender, stirred evenly；
(2), cement is added and continues dry mixing 30s, material is made to be evenly distributed；
(3), it is eventually adding water, hardening agent, water-reducing agent stirring 120s, amounts to stirring 3.5min；
(4), the surface that will be close to the lower-layer concrete of ground is flattened using template or short time vibration flattens；
(5), by upper one layer of repetition (1)-(4) of lower layer the step of, cross construction are successively laid with, until upper layer；
(6), natural soil, plant ash, durable composite fertilizer and water are mixed in 1000:30:0.5:600 ratio, stirs evenly, matches
It is set to the suitable nutrient soil of paste, mobility, water pump is reused and is filled into liquid/paste in the hole of grass planting concrete；And
Perfusion；
(7), sow and be laid with plant；
(8), sprinkling maintenance early period finally obtains grass planting concrete construction.
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| CN201811529421.8A CN109369112B (en) | 2018-12-14 | 2018-12-14 | Grass planting concrete structure based on herbaceous root system configuration and preparation method thereof |
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| CN201811529421.8A CN109369112B (en) | 2018-12-14 | 2018-12-14 | Grass planting concrete structure based on herbaceous root system configuration and preparation method thereof |
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| CN110092620A (en) * | 2019-06-14 | 2019-08-06 | 重庆交通大学 | A kind of concrete for plant growth built in Nutrition Soil |
| CN111926766A (en) * | 2020-07-06 | 2020-11-13 | 上海崇明水利工程有限公司 | Soil erosion and water loss prevention type revetment structure |
| CN112012166A (en) * | 2020-08-28 | 2020-12-01 | 南昌工程学院 | Prefabricated pocket grass planting concrete prefabricated part and construction method |
| CN112723844A (en) * | 2020-12-28 | 2021-04-30 | 南京交通职业技术学院 | Light plant-growing type porous concrete prefabricated part and preparation method thereof |
| CN113605310A (en) * | 2021-08-06 | 2021-11-05 | 深圳市绿志新型建材研究院有限公司 | Ecological riverbed prefabricated slab and preparation method thereof |
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| CN111926766A (en) * | 2020-07-06 | 2020-11-13 | 上海崇明水利工程有限公司 | Soil erosion and water loss prevention type revetment structure |
| CN112012166A (en) * | 2020-08-28 | 2020-12-01 | 南昌工程学院 | Prefabricated pocket grass planting concrete prefabricated part and construction method |
| CN112723844A (en) * | 2020-12-28 | 2021-04-30 | 南京交通职业技术学院 | Light plant-growing type porous concrete prefabricated part and preparation method thereof |
| CN113605310A (en) * | 2021-08-06 | 2021-11-05 | 深圳市绿志新型建材研究院有限公司 | Ecological riverbed prefabricated slab and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109369112B (en) | 2021-04-27 |
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