CN109626950A - Ecological slope protection concrete and its construction method - Google Patents
Ecological slope protection concrete and its construction method Download PDFInfo
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- CN109626950A CN109626950A CN201811285967.3A CN201811285967A CN109626950A CN 109626950 A CN109626950 A CN 109626950A CN 201811285967 A CN201811285967 A CN 201811285967A CN 109626950 A CN109626950 A CN 109626950A
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- concrete
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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
- C04B28/34—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 cold phosphate binders
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mining & Mineral Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
Specifically a kind of ecological slope protection concrete of the present invention and its construction method, it is characterized in that: include thickness in 5cm substrate concrete, the water storage moisturizing concrete layer of 5cm thickness and containing grass seeds with a thickness of 3-5cm facing concrete；The interior substrate concrete is magnesium phosphate cement, recycled aggregate and plant fiber；Water storage moisturizing concrete layer ingredient is magnesium phosphate cement, haydite, plant fiber and sodium bicarbonate；Facing concrete ingredient is magnesium phosphate cement, and sodium bicarbonate is raw to plant soil, humus.The present invention breaks through the intrinsic defect of cementitious material, using magnesium phosphate cement as cementitious material, the compatibility for solving it with vegetation using environment is in neutrality after its condensation hardening, the ammonia furthermore discharged in magnesium phosphate cement condensation hardening process can form the hole of connection in inside concrete and provide nutrient for vegetation growth.
Description
Technical field
The present invention relates to slope protection concrete and its construction method, specifically a kind of ecological slope protection concrete and its construction party
Method.
Background technique
Careless concrete, coagulation soil grassplot, concrete grass blanket etc., refer to and can adapt to plant growth, can carry out vegetation work
Industry has the function of to keep original protective action, protection environment, the concrete and its product for improving ecological condition.It is protected for ecology
Slope, domestic and international relevant enterprise and scholar achieve research achievement abundant, such as patent publication No.: CN 102518139A, proprietary term
Claim: a kind of production method of ecological vegetation slope protection, which, which proposes, first prepares dry without husky concrete, then prepares plant
Fiber grain and nutrition seed, finally by three after mixing be made ecological vegetation concrete be used for cast in situs or building block at
Type machine compression moulding；For another example patent publication No.: CN 101486555A, a kind of patent name: cast-in-place anti-filter type pervious ecological coagulation
The method of construction of soil and its slope protection, which is mixed using granular aggregate with portland cement, water and additive, by tight
Lattice control water-cement ratio and cement consumption realize its permeable and ecological functions to control porosity and pore-size distribution.It is summed up,
Mainly include the following categories for ecological slope protection concrete: 1. hole type eco-concrete divides according to engineer application again among these
For hole type block eco-concrete and hole type Multi-layer ecological concrete.The production of hole type eco-concrete component is relatively simple
It is single, influenced by concrete saline alkali stress it is small, largely can green coverage it is less, can generally reach 8% one 20%, apply by
To limitation.2. laying formula eco-concrete.In the fixed vegetation net of concrete surface, and spray the gluing prepared by a certain percentage
Material, water-retaining agent, fertilizer, plant straw shell powder, grass seed mixture, filler etc. constitute plant growth matrix and it are made to grow grass.
Cementing material has inorganic adhesive cement etc., organic adhesion agent etc..This method is chiefly used in existed concrete bridge surface, bare rock
The greening in face, but flood can be undergone to impregnate and wash away and wait to observe for a long time, multiple cropping to reseed how performance has no related
It discusses and reports.It is reported that it is this greening coagulation on price, because include concrete itself and lay substrate, therefore generally compared with
It is high.3. Property for Porous Green Concrete.It is and plant to be filled in hole using non-fine concrete as plant growth matrix
Growth needed for substance, root system of plant depth people or pass through non-fine concrete to by protection soil in.From existing engineer application and grind
Study carefully data to see, the cementitious material that eco-concrete uses at present uses Portland cement substantially, by adding different modifying agent
It realizes it to reduce and control the alkaline environment formed after its condensation hardening and is conducive to vegetation growth.It can be seen that existing life
State slope protection concrete technology is main or using portland cement as cementitious material, and long-term alkaline environment does not solve fundamentally
Certainly, it is difficult to realize its merging with natural environment.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of convenient for being conducive to the slope protection coagulation that ecology is set up
Soil and its construction method.
In order to achieve the above object, the present invention is implemented as follows:
A kind of ecological slope protection concrete, including thickness in 5cm substrate concrete, 5cm thickness water storage moisturizing concrete layer and
Containing grass seeds with a thickness of 3-5cm facing concrete；The interior substrate concrete is magnesium phosphate cement, and recycled aggregate and plant are fine
Dimension, weight ratio are as follows: 30 ~ 40%:57.5 ~ 67%:1.5 ~ 2.5%；Water storage moisturizing concrete layer ingredient is magnesium phosphate cement, and haydite is planted
Fibres and sodium bicarbonate, weight ratio are as follows: 35 ~ 40%:57 ~ 60.5%:2.5 ~ 3.5%:0.5-1.0%；Facing concrete ingredient is
Magnesium phosphate cement, sodium bicarbonate, raw to plant soil, humus, weight ratio is 19~21%:1.0 ~ 3.0%:50~60%:19~28%.
The ecological slope protection concrete, magnesium phosphate cement is by ammonium dihydrogen phosphate, dead burned magnesia, flyash and adjusts solidifying material
Material composition, weight ratio are as follows: 20.0:58.0:20.0:2.0；Dead burned magnesia selects the dead burnt magnesite Jing Guo 1500 DEG C of high-temperature calcinations
Sand, content of magnesia are greater than 90%, and it is 5-25 that solubility constant, which requires control, and grain diameter controls in 8-10 micron range；
The phosphoric acid dihydro amine is technical grade, 98% or more purity requirement；90% or more sodium bicarbonate purity requirement；Gel material is adjusted to select
Boric acid or borax or citric acid, purity are greater than 90%, powder of the water content less than 0.5%；The plant fiber can be selected
Stalk；The recycled aggregate is that partial size is 10-15mm；The water storage moisturizing concrete, haydite are through the processing of sprinkling compound fertilizer
Grain diameter 2.5-5.0mm clayey haydite；Its 90% or more purity requirement of the sodium bicarbonate；The raw plant
Soil is sandy loam；The stalk and rice husk that the humus is selected sawdust, ground.
The construction method of the ecological slope protection concrete, includes the following steps:
The first step, cleaning side slope simultaneously carry out linked network processing according to the stability of side slope；
Second step sprays substrate concrete of the invention using dry type concrete spraying machinery equipment, thickness control 5cm with
It is interior；
After third step, 30min, substrate concrete hardening sprays the storage containing haydite using dry type concrete spraying machinery equipment
Water coagulation soil layer, thickness control are within 5cm；
4th step, after water storage moisturizing layer concrete hardening after, using dry type concrete spraying machinery equipment injection contain different grass
The facing concrete of the present invention of kind, thickness control are 3cm ~ 5cm；
After completion is planted in 5th step, spray, spray irrigation system is installed in side slope, through conserving, grass seeds germinating growth.
This ecological slope protection concrete is divided into three layers, and base primarily serves reinforcement effect；The second layer is water storage moisturizing layer, is utilized
The larger water-holding capacity of haydite provides water resource and nutrient for the vegetation in later period；Third layer is vegetable layer.The phosphorus that the present invention uses
On the one hand sour magnesium cement forms adhesion strength the basic principle is that chemically reacting using burning magnesia with ammonium dihydrogen phosphate,
Its reaction of still further aspect constantly release ammonia forms the hole of connection inside eco-concrete and provides nutrient for vegetation.
Specific embodiment
The present invention is further illustrated below by way of specific embodiment.
A kind of ecological slope protection concrete, the water storage moisturizing concrete including thickness substrate concrete, 5cm thickness in 5cm
Layer and containing grass seeds with a thickness of 3-5cm facing concrete；The interior substrate concrete is magnesium phosphate cement, recycled aggregate and plant
Fibres, weight ratio are as follows: 30 ~ 40%:57.5 ~ 67%:1.5 ~ 2.5%；Water storage moisturizing concrete layer ingredient is magnesium phosphate cement, pottery
Grain, plant fiber and sodium bicarbonate, weight ratio are as follows: 35 ~ 40%:57 ~ 60.5%:2.5 ~ 3.5%:0.5-1.0%；Facing concrete at
Be divided into magnesium phosphate cement, sodium bicarbonate is raw to plant soil, humus, weight ratio be 19~21%:1.0 ~ 3.0%:50~60%:19~
28%。
The ecological slope protection concrete, magnesium phosphate cement is by ammonium dihydrogen phosphate, dead burned magnesia, flyash and adjusts solidifying material
Material composition, weight ratio are as follows: 20.0:58.0:20.0:2.0；Dead burned magnesia selects the dead burnt magnesite Jing Guo 1500 DEG C of high-temperature calcinations
Sand, content of magnesia are greater than 90%, and it is 5-25 that solubility constant, which requires control, and grain diameter controls in 8-10 micron range；
The phosphoric acid dihydro amine is technical grade, 98% or more purity requirement；90% or more sodium bicarbonate purity requirement；Gel material is adjusted to select
Boric acid or borax or citric acid, purity are greater than 90%, powder of the water content less than 0.5%；The plant fiber can be selected
Stalk；The recycled aggregate is that partial size is 10-15mm；The water storage moisturizing concrete, haydite are through the processing of sprinkling compound fertilizer
Grain diameter 2.5-5.0mm clayey haydite；Its 90% or more purity requirement of the sodium bicarbonate；The raw plant
Soil is sandy loam；The stalk and rice husk that the humus is selected sawdust, ground.
The construction method of the ecological slope protection concrete, includes the following steps:
The first step, cleaning side slope simultaneously carry out linked network processing according to the stability of side slope；
Second step sprays substrate concrete of the invention using dry type concrete spraying machinery equipment, thickness control 5cm with
It is interior；
After third step, 30min, substrate concrete hardening sprays the storage containing haydite using dry type concrete spraying machinery equipment
Water coagulation soil layer, thickness control are within 5cm；
4th step, after water storage moisturizing layer concrete hardening after, using dry type concrete spraying machinery equipment injection contain different grass
The facing concrete of the present invention of kind, thickness control are 3cm ~ 5cm；
After completion is planted in 5th step, spray, spray irrigation system is installed in side slope, through conserving, grass seeds germinating growth.
This construction method is further illustrated below by way of several embodiments:
Embodiment 1
Construction seasons are early summer, and job location is Sichuan mountainous area highway, and side slope inclination angle is 45 degree, high 30m, wide 300m.
First side slope is cleared up, and linked network processing is then carried out.
The substrate concrete composition and weight percent of the present embodiment are magnesium phosphate cements 35%, partial size be 10-15mm again
Raw aggregate 63.5%, stalk 1.5%.It is stirred using mixer, forms substrate concrete mixture siccative.
The water storage moisturizing coagulation local soil type of the present embodiment is compound by spraying at being magnesium phosphate cement 40% with weight percent
The haydite 57.0% of fertilizer processing, stalk 2.5% and sodium bicarbonate 0.5%.It is stirred using mixer, forms water storage coagulation
Native mixture siccative.
The surface layer plant cover concrete main component magnesium phosphate cement of the present embodiment, sodium bicarbonate, sandy loam, sawdust, they
Weight ratio be 21%:1.0%:50%:28%.The mixture of grass seeds selection Bermuda grass and cotton grass, weight ratio 50:50,
Every square metre 0.1 kilogram of dosage.
Eco-concrete of the invention is sprayed with dry type concrete spraying machinery equipment, divides three layers of injection, groundwork thickness is
Grass seeds is added when wherein surface layer is sprayed, after injection, simultaneously with rice straw mulching in 5cm, water storage moisturizing layer 5.0cm, surface layer 5cm
Periodically sprinkle water.7 days or so, discovery had vegetation to grow.
Embodiment 2
Construction seasons are early spring, and job location is Guizhou mountain highway, and side slope inclination angle is 60 degree, high 45m, wide 300m.It is first right
Side slope is cleared up, and linked network processing is then carried out.
Base's green concrete main component of the present embodiment is magnesium phosphate cement, recycled aggregate and stalk, their weight
Measure ratio are as follows: 30%:1.0%:68%:2%.It is stirred using mixer, forms substrate concrete mixture siccative.
The water storage moisturizing coagulation local soil type of the present embodiment is compound by spraying at being magnesium phosphate cement 35% with weight percent
The haydite 60.5% of fertilizer processing, stalk 3.0% and sodium bicarbonate 1.5%.It is stirred using mixer, forms water storage coagulation
Native mixture siccative.
The surface layer plant cover concrete main component of the present embodiment is magnesium phosphate cement, sodium bicarbonate, sandy loam, the straw of crushing
Stalk, their weight ratio are 19.0%:2.0%:60%:19%.Grass seeds select precocious meadow standing grain, English ryegrass, paspalum notatum and
103 leaf mixtures, weight ratio 20:20:30:30, every square metre 0.11 kilogram of dosage.
Green concrete of the invention is sprayed with dry type concrete spraying machinery equipment, divides three layers of injection, groundwork thickness is
5cm, water storage moisturizing layer 5cm and surface layer are 4cm, and grass seeds is added when wherein surface layer is sprayed, and after injection, with rice straw mulching and are determined
Phase spray water.Or so two weeks has vegetation to grow.
Embodiment 3
Construction seasons are May, and job location is Zhejiang somewhere, and side slope inclination angle is 45 degree, high 15m, wide 45m.In view of test
Section and the gradient, only side slope carries out cleaning work.
Base's green concrete main component of the present embodiment is magnesium phosphate cement, recycled aggregate and stalk, their weight
Measure ratio are as follows: 40%::57.5%:2.5%.It is stirred using mixer, forms substrate concrete mixture siccative.
The water storage moisturizing coagulation local soil type of the present embodiment is compound by spraying at being magnesium phosphate cement 38% with weight percent
The haydite 57.5% of fertilizer processing, stalk 3.5% and sodium bicarbonate 1.0%.It is stirred using mixer, forms water storage coagulation
Native mixture siccative.
The surface layer plant cover concrete main component of the present embodiment is magnesium phosphate cement, sodium bicarbonate, sandy loam, the rice of crushing
Shell and stalk.Their weight ratio is 20%:3.0%:54%:23%.Grass seeds selects the mixing of Bermuda grass, water-saving grass and cotton grass
Object, weight ratio 20:40:40, every square metre 0.1 kilogram of dosage.
Green concrete of the invention is sprayed with dry type concrete spraying machinery equipment, divides three layers of injection, groundwork thickness is
4cm, water storage moisturizing layer are 5cm, surface layer 5cm, grass seeds are added when wherein surface layer is sprayed, after injection, simultaneously with rice straw mulching
Periodically sprinkle water.7 days or so, there is vegetation to grow.
Magnesium phosphate cement is by ammonium dihydrogen phosphate, dead burned magnesia, flyash and borax according to weight ratio in above-described embodiment
20.0:58.0:20.0:2.0 is formulated.
Claims (3)
1. a kind of ecological slope protection concrete, it is characterized in that: including the water storage moisturizing of thickness substrate concrete, 5cm thickness in 5cm
Concrete layer and containing grass seeds with a thickness of 3-5cm facing concrete；The interior substrate concrete is magnesium phosphate cement, Regenerated Bone
Material and plant fiber, weight ratio are as follows: 30 ~ 40%:57.5 ~ 67%:1.5 ~ 2.5%；Water storage moisturizing concrete layer ingredient is magnesium phosphate water
Mud, haydite, plant fiber and sodium bicarbonate, weight ratio are as follows: 35 ~ 40%:57 ~ 60.5%:2.5 ~ 3.5%:0.5-1.0%；Surface layer is mixed
Solidifying soil ingredient is magnesium phosphate cement, and sodium bicarbonate, raw to plant soil, humus, weight ratio is 19~21%:1.0 ~ 3.0%:50~60%:
19~28%.
2. ecological slope protection concrete according to claim 1, it is characterized in that: magnesium phosphate cement is by ammonium dihydrogen phosphate, reheating
Magnesia, flyash and tune gel material composition, weight ratio are as follows: 20.0:58.0:20.0:2.0；Dead burned magnesia, which is selected, to be passed through
The reheating magnesia of 1500 DEG C of high-temperature calcinations, content of magnesia are greater than 90%, and it is 5-25, particle that solubility constant, which requires control,
Size controlling is in 8-10 micron range；The phosphoric acid dihydro amine is technical grade, 98% or more purity requirement；Sodium bicarbonate is pure
Degree requires 90% or more；Gel material is adjusted to select boric acid or borax or citric acid, purity is greater than 90%, powder of the water content less than 0.5%
End；The plant fiber can select stalk；The recycled aggregate is that partial size is 10-15mm；The water storage moisturizing concrete,
Its haydite is clayey haydite of the grain diameter through the processing of sprinkling compound fertilizer in 2.5-5.0mm；Its is pure for the sodium bicarbonate
Degree requires 90% or more；The raw soil of planting is sandy loam；The stalk and rice husk that the humus is selected sawdust, ground.
3. the construction method of ecological slope protection concrete as described in claim 1, it is characterized in that: including the following steps:
The first step, cleaning side slope simultaneously carry out linked network processing according to the stability of side slope；
Second step sprays substrate concrete of the invention using dry type concrete spraying machinery equipment, thickness control 5cm with
It is interior；
After third step, 30min, substrate concrete hardening sprays the storage containing haydite using dry type concrete spraying machinery equipment
Water coagulation soil layer, thickness control are within 5cm；
4th step, after water storage moisturizing layer concrete hardening after, using dry type concrete spraying machinery equipment injection contain different grass
The facing concrete of the present invention of kind, thickness control are 3cm ~ 5cm；
After completion is planted in 5th step, spray, spray irrigation system is installed in side slope, through conserving, grass seeds germinating growth.
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| CN201811285967.3A CN109626950A (en) | 2018-10-31 | 2018-10-31 | Ecological slope protection concrete and its construction method |
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| CN201811285967.3A CN109626950A (en) | 2018-10-31 | 2018-10-31 | Ecological slope protection concrete and its construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194635A (en) * | 2019-05-17 | 2019-09-03 | 广东中绿园林集团有限公司 | Celluar concrete forming method, slope ecological remodeling method and edge slope structure |
| CN111517707A (en) * | 2020-03-30 | 2020-08-11 | 杨辉 | Ecological slope protection concrete and construction method thereof |
| CN111670718A (en) * | 2020-05-29 | 2020-09-18 | 广东省水利水电科学研究院 | Seepage-storage type vertical greening component and construction method thereof |
| 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 |
| CN116024994A (en) * | 2023-03-27 | 2023-04-28 | 北京林业大学 | Construction method of ecological integrated slope protection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110194635A (en) * | 2019-05-17 | 2019-09-03 | 广东中绿园林集团有限公司 | Celluar concrete forming method, slope ecological remodeling method and edge slope structure |
| CN111517707A (en) * | 2020-03-30 | 2020-08-11 | 杨辉 | Ecological slope protection concrete and construction method thereof |
| CN111670718A (en) * | 2020-05-29 | 2020-09-18 | 广东省水利水电科学研究院 | Seepage-storage type vertical greening component and construction method thereof |
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| CN116024994A (en) * | 2023-03-27 | 2023-04-28 | 北京林业大学 | Construction method of ecological integrated slope protection system |
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Application publication date: 20190416 |