Background technology
In the engineering constructions such as highway, railway, water conservancy, often need to excavate a large amount of side slopes, the exploitation of side slope makes original vegetation cover be seriously damaged, and causes the ecological environment problems such as desertification, soil erosion, landslide.With the propelling of modernization construction, ecological recovery research makes its Sustainable development be significant.
Emerging plant cover concrete ecological vestige is the effective means of the ecological protection for rock side-slope.The core way of this technology is that concrete and plant seed are mixed into injection base material, is injected on rock side-slope by mixture.This technology utilizes cohesive action between concrete and rock side-slope and fixed network technology, is fixed on rock side-slope, utilizes green plant recovering ecological simultaneously.But this technology has many problems in the process of practical application, common problem has: (1) uses normal concrete as injection base material, and the stability of spraying between base material and rock side-slope is good.But the interpolation of normal concrete cement cause Soil structure bad, easily harden, spray in base material the environment not having the applicable plant-growths such as sky G&W, be also unfavorable for the formation of organic matter degradation and microorganism subenvironment.Cement main component is CaSiO
3caO-Al
2o
3, it solidifies is just strong basicity, has restraining effect, plant cannot be utilized to carry out ecology recovering for plant seed germination growth.(2) use pure earth as injection base material, be applicable to plant-growth, the firmness sprayed between base material and rock side-slope is but subject to certain restrictions.
At present, the most frequently used and effective way is exactly add a certain amount of additive in injection base material, take into account the stability between injection base material and rock side-slope, spray the environment in base material with applicable plant-growth, but effect is all not good, has much room for improvement.
Publication number is that the Chinese patent of CN1358685A discloses a kind of green additive for concrete.This green additive for concrete comprises the breeze of iron content, phosphorus, calcium, element silicon, is aided with water-holding agent and composite fertilizer simultaneously.This additive ignores concrete strong basicity, does not have the environment such as air, even if fertilizer and moisture are sufficient in environment, plant also cannot grow in the present context.
Publication number is that the Chinese patent of CN102491836A discloses a kind of modified version plant cover concrete green additive.Its modified version plant cover concrete green additive comprises the chemical inorganicss such as powdered iron ore, calcium powder, ground phosphate rock, silicon breeze, SULPHUR POWDER, be aided with simultaneously be rich in sulphur bacteria powder, composite fertilizer, water-holding agent, air entrapment agent.This additive wishes to produce sulfuric acid by the continuous decomposition of sulphur bacteria to SULPHUR POWDER, thus reaches the object regulating concrete pH.But sulphur bacteria cannot survive under strong basicity environment, it can not realize completely with the interaction of SULPHUR POWDER, strong concrete alkaline environment is still and cannot improves, and even occurs the situation of soil acid-base skewness, and the growth of microorganism and plant in base material is sprayed in impact.Introduce SULPHUR POWDER simultaneously, make environmental pollution, soil base material hardens, soil microorganisms falls sharply.
Publication number is that the Chinese patent of CN103626584A discloses a kind of plant cover concrete green additive AB bacterium, and this plant cover concrete green additive AB bacterium includes biological organic bacteria materials A (peanut hull meal, active ferment agent, short rotten agent, urea), Hongcomb coal-slag, peat soil, calcium superphosphate, composite fertilizer, carboxymethyl cellulose, agar powder, polyacrylamide, brassinolide, naphthylacetic acid, indoles, acetic acid, sodium nitrophenolate, Plant hormones regulators,gibberellins, triacontanol price quote.Although this plant cover concrete green additive AB bacterium can regulate the peracid spraying base material soil to cross alkali, improve base material soil property by organic bacteria, simultaneously for various nutrition agent has been dosed in the growth of organic bacteria and plant.In the method, be applicable to the matrix of organic bacteria and be only Hongcomb coal-slag, peat soil, concrete and Hongcomb coal-slag, peat soil in conjunction with time can destroy the growing environment of applicable organic bacteria, thus destroy this simple dependence organic bacteria to improve the pattern of Soil structure.Plant germination and growth all need suitable temperature, and the weather condition such as the temperature of different areas are different, and present method also proposes solution for this problem, is unsuitable for the ecological revetment in many areas.This method with the addition of a lot of nutrition agent simultaneously, and waste resource, is unfavorable for large-scale use.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of concrete that relaxes to injure vegetation, take into account the stability between injection base material and rock side-slope, spray the compound plant cover concrete green additive of the environment in base material with applicable plant-growth.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of compound plant cover concrete green additive, its raw material being major constituent by following parts by weight is prepared and is formed:
Wilkinite 800 ~ 1000 parts;
Peat soil 500 ~ 600 parts;
Volcanic ash 200 ~ 300 parts;
Corn stalk powder 200 ~ 220 parts;
VITAMIN 20 ~ 30 parts;
Calcium superphosphate 10 ~ 12 parts;
Calcium powder 30 ~ 40 parts;
Powdered iron ore 12 ~ 16 parts;
Silicon breeze 5 ~ 10 parts;
Composite fertilizer 6 ~ 8 parts;
1 ~ 4 part, urea;
Active ferment agent 0.2 ~ 0.4 part.
As preferably, described VITAMIN be Lin Suanna Vitamin B2 Sodium Phosphate, vitamin B6, vitamin B12 or ascorbic one or more.
As preferably, described peat soil be the weak cumulosol of 10%≤organic content≤25%, the middle cumulosol of 25% < organic content≤40% one or both.
As preferably, compound plant cover concrete green additive also comprises water-holding agent 1 ~ 20 part.
As preferably, the preparation method of compound plant cover concrete green additive comprises:
Steps A: with parts by weight, stirs wilkinite 800 ~ 1000 parts, peat soil 500 ~ 600 parts, volcanic ash 200 ~ 300 parts, corn stalk powder 200 ~ 220 parts;
Step B: with parts by weight, stirs VITAMIN 20 ~ 30 parts, calcium superphosphate 10 ~ 12 parts, calcium powder 30 ~ 40 parts, powdered iron ore 12 ~ 16 parts, silicon breeze 5 ~ 10 parts, composite fertilizer 6 ~ 8 parts, 1 ~ 4 part, urea, active ferment agent 0.2 ~ 0.4 part;
Step C: under agitation condition, the mixture equivalent that steps A is obtained in batches adding in mixture that step B obtains repeatedly.
As preferably, after described step C, also comprise step D: in stirrer, after the mixture obtained at mixture steps A obtained and step B mixes, add water-holding agent 1 ~ 20 part, stir.
As preferably, comprise the plant cover concrete of described compound plant cover concrete green additive, also comprise concrete and vegetation seed, the weight proportion of compound plant cover concrete green additive, cement and vegetation seed is 4:12 ~ 1:4 ~ 1.
The present inventor finds, wilkinite can change the structure of concrete and peat soil, makes concrete have certain ventilation property, for the growth of microorganism and plant provides air this prerequisite.The present inventor finds simultaneously, and wilkinite has good cohesiveness, and concrete, peat soil etc. can firmly be bonded together by it, and injection base material is more stably fixed on rock side-slope, has good antiscour effect.
The present invention also selects wilkinite, peat soil, volcanic ash, corn stalk powder as the matrix of cultivating organic bacteria and plant germination and growth.In wilkinite, peat soil, volcanic ash, corn stalk powder, all there is a large amount of nutritive substances, and it all has good ventilation property, utilize comparatively economic method basic for microorganism and plant provide existence.Wilkinite, peat soil, volcanic ash all can play the concrete effect of neutralization, for the growth of microorganism and plant provides suitable pH environment.Simultaneously, its microorganism produced can be improved the base material Soil structure caused because using cement in plant cover concrete technology and to be hardened situation, improve plant cover concrete physicochemical character, strengthen the ability of soil water-retaining, fertilizer conservation, fertilizer, the growth for plant provides condition advantageously.Microorganism produces a large amount of meta-bolitess in growth and breeding process, impels organic decomposition and inversion, directly or indirectly for plant provides multiple nutrients and pungent, can promote and regulating plant growth.Improve plant survival rate, increase probiotics and microorganism and population.Meanwhile, the advantage probiotics group energy formed at root system of plant suppresses harmful pathogenic bacteria procreation, strengthens plant stress-resistance resistance against diseases.Therefore, the matrix combined by wilkinite, peat soil, volcanic ash, corn stalk powder can alleviate mitigation concrete to the injury of vegetation, enables vegetation normal growth, finally reaches the object of counterfort virescence.
The present inventor finds, volcanic ash has good insulation effect, the volcanic ash of different amount can be selected to ensure the germination of plant under condition of different temperatures and growth in Different climate condition, realize the ecological revetment under many weather condition, meet the demand of different geographical.
Active ferment agent is a kind of composite bacteria, its energy fast decoupled is organic, the advantage such as have few, the powerful degrade proteins of addition, fermentation time is short, cost is low, leavening temperature is not limited, active ferment agent effectively can kill harmful bacteria in fermented product, worm, worm's ovum, grass-seed antibiotic remains etc. of degrading.The features such as breeding is quick, vitality is strong, safety non-toxic.The present inventor finds, after with the addition of active ferment agent in the present invention, useful microbial population increases, and is conducive to improving concrete structure, is more conducive to the environment creating applicable biological existence, thus realizes ecology recovering.
The nutrition agent that the present invention has selected VITAMIN, calcium superphosphate, calcium powder, powdered iron ore, silicon breeze, composite fertilizer, urea to add as the outside of microorganism and plant-growth.Containing the nitrogen, phosphorus, potassium etc. needed for plant-growth in composite fertilizer wherein.The present inventor finds, add these outside nutrition agents added in matrix after, the nutrients help of microorganism and plant-growth accesses abundant supply, can reach the object of counterfort virescence gradually.
The present inventor finds, add VITAMIN and can promote that plant takes root, make plant energy fast germination, take root and grow, plant can take root in rock side-slope fast, and final promotion plant is luxuriant for a long time, for the greens bank protection in later stage is laid a solid foundation.Inventor also finds, select Lin Suanna Vitamin B2 Sodium Phosphate, vitamin B6, vitamin B12 or ascorbic one or more time, to promoting plant to take root, there is best effect.
Water-holding agent is super absorbent resin, and water-retaining capacity is strong, can repeatedly release water, water suction.The present inventor finds, can also growth provide moisture by add water-holding agent be plant, and the amount of water-holding agent can according to local humidity etc. because usually controlling.
The present inventor finds, when selecting one or both of weak cumulosol (10%≤organic content≤25%), middle cumulosol (25% < organic content≤40%), not only can as matrix for microorganism and plant provide nutrition, concrete intensity can also be ensured, injection base material is more stably fixed on rock side-slope.In sum, the present invention has following beneficial effect:
1, relax concrete to injure vegetation, take into account the stability between injection base material and rock side-slope, spray the environment in base material with applicable plant-growth.Concrete combined effect is as follows:
Concrete strong basicity environment improves: wilkinite of the present invention, peat soil, volcanic ash all can play the concrete effect of neutralization, can provide suitable pH environment for the growth of microorganism and plant;
Concrete structure improves: wilkinite of the present invention can change concrete structure, makes concrete have certain ventilation property; The microorganisms such as the simultaneously matrix of the present invention active ferment agent of cultivating can be improved the base material Soil structure caused because using cement in plant cover concrete technology and to be hardened situation, improve plant cover concrete physicochemical character, strengthen the ability of soil water-retaining, fertilizer conservation, fertilizer, the growth for plant provides condition advantageously;
Nourishment in concrete improves: nutrition agent, water-holding agent that outside of the present invention is added, can provide sufficient nutrient and moisture for the growth of microorganism and plant; The VITAMIN that the present invention adds can also play the effect promoting that plant takes root, and ensures that the initial stage of counterfort virescence just has good effect;
Concrete viscosifying power is guaranteed: except concrete itself has strong cohesive force, wilkinite of the present invention can change the structure of peat soil, can with concrete mortise, the weak cumulosol simultaneously selecting intensity high and/or middle cumulosol are strengthened fixing.
2, concrete insulated capacity improves, applied widely
The volcanic ash that the present invention adds can play insulation effect, makes compound plant cover concrete green additive of the present invention adapt to different temperature condition, meets the demand of different zones.
3, nontoxic low irritant
Nutrition of the present invention obtains mainly through the matrix of wilkinite, peat soil, volcanic ash, corn stalk powder composition, and is aided with nutrition agent additional on a small quantity, and nontoxic low stimulation, does not pollute and injure the soil property of soil, has good Sustainable development and is worth.
4, preparation method is simple
Only the component of formula ratio need be stirred in sequence during preparation, and be aided with cement, plant seed, be injected on the rock side-slope of fixed network, make concrete and rock side-slope secure bond, plant seed germinating growth under the effect of compound plant cover concrete green additive of the present invention finally forms green belt.Making and use method is simple, convenient operation.
Embodiment
Embodiment one
Steps A: with parts by weight, gets 800 parts of wilkinites, 500 parts of weak cumulosols, 300 parts of volcanic ash, 200 parts of corn stalk powders, places it in stirrer and stir.
Step B: with parts by weight, gets 20 parts of vitamin B12,10 parts of calcium superphosphate, 35 parts of calcium powders, 14 parts of powdered iron ore, 8 parts of silicon breezes, 6 parts of composite fertilizers, 2 parts of urea, 0.2 part of active ferment agent, places it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 6 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 20 parts of water-holding agents, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, tall fescue seed, alfalfa seed, Perennial Ryegrass Seed, masson pine seed, false indigo seed are uniformly mixed by weight 5:1:0.2:0.2:0.2:0.2:0.2, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on railway limit, Heilungkiang.
Embodiment two
Steps A: with parts by weight, gets 1000 parts of wilkinites, 600 parts of weak cumulosols, 200 parts of volcanic ash, 220 parts of corn stalk powders, places it in stirrer and stir.
Step B: with parts by weight, get 10 parts of vitamin B12,10 parts of vitamin B6s, 10 parts of vitamins Cs, 11 parts of calcium superphosphate, 40 parts of calcium powders, 12 parts of powdered iron ore, 10 parts of silicon breezes, 7 parts of composite fertilizers, 1 part of urea, 0.3 part of active ferment agent, place it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 7 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 1 part of water-holding agent, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, paspalum notatum seed, Bermuda grass seed, wild flower combination seed, Stem or leaf of Shrub Lespedeza seed are uniformly mixed by weight 4:2:0.2:0.3:0.3:0.2, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on highway limit, Yunnan.
Embodiment three
Steps A: with parts by weight, gets 850 parts of wilkinites, cumulosol, 220 parts of volcanic ash, 205 parts of corn stalk powders in 550 parts, places it in stirrer and stirs.
Step B: with parts by weight, get 10 parts of vitamin B12,5 parts of Lin Suanna Vitamin B2 Sodium Phosphates, 5 parts of vitamins Cs, 12 parts of calcium superphosphate, 30 parts of calcium powders, 16 parts of powdered iron ore, 5 parts of silicon breezes, 8 parts of composite fertilizers, 4 parts of urea, 0.4 part of active ferment agent, place it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 5 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 4 parts of water-holding agents, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, Perennial Ryegrass Seed, Indigofera amblyantha, silver close flower seed, wild flower combines seed, Stem or leaf of Shrub Lespedeza seed is uniformly mixed by weight 9:3:0.2:0.1:0.1:0.2:0.4, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on water conservancy limit, Zhejiang.
Embodiment four
Steps A: with parts by weight, gets 910 parts of wilkinites, cumulosol, 270 parts of volcanic ash, 210 parts of corn stalk powders in 580 parts, places it in stirrer and stirs.
Step B: with parts by weight, gets 25 parts of vitamin B6s, 10 parts of calcium superphosphate, 37 parts of calcium powders, 15 parts of powdered iron ore, 6 parts of silicon breezes, 6 parts of composite fertilizers, 2 parts of urea, 0.2 part of active ferment agent, places it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 6 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 18 parts of water-holding agents, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, tall fescue seed, alfalfa seed, Perennial Ryegrass Seed, masson pine seed, by weight 12:4:0.2:0.2:0.4:0.2:0.2 are uniformly mixed, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on electric power limit, Xi'an.
Embodiment five
Steps A: with parts by weight, gets 970 parts of wilkinites, 520 parts of weak cumulosols, 250 parts of volcanic ash, 215 parts of corn stalk powders, places it in stirrer and stir.
Step B: with parts by weight, gets 15 parts of Lin Suanna Vitamin B2 Sodium Phosphates, 8 parts of vitamin B6s, 11 parts of calcium superphosphate, 32 parts of calcium powders, 13 parts of powdered iron ore, 9 parts of silicon breezes, 7 parts of composite fertilizers, 3 parts of urea, 0.3 part of active ferment agent, places it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 7 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 10 parts of water-holding agents, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, tall fescue seed, Indigofera amblyantha, silver conjunction flower seed, masson pine seed, false indigo seed are uniformly mixed by weight 7:2:0.15:0.2:0.25:0.2:0.2, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on railway limit, Jiangxi.
Embodiment six
Steps A: with parts by weight, gets 875 parts of wilkinites, cumulosol, 290 parts of volcanic ash, 218 parts of corn stalk powders in 500 parts, places it in stirrer and stirs.
Step B: with parts by weight, gets 30 parts of vitamins Cs, 12 parts of calcium superphosphate, 31 parts of calcium powders, 15.5 parts of powdered iron ore, 7 parts of silicon breezes, 6.5 parts of composite fertilizers, 1 part of urea, 0.3 part of active ferment agent, places it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 5 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 5 parts of water-holding agents, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, tall fescue seed, alfalfa seed, Perennial Ryegrass Seed, wild flower combination seed is uniformly mixed by weight 10:3:0.5:0.2:0.1:0.2, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on highway limit, Shandong.
Embodiment seven
Steps A: with parts by weight, gets 950 parts of wilkinites, 575 parts of weak cumulosols, 240 parts of volcanic ash, 207 parts of corn stalk powders, places it in stirrer and stir.
Step B: with parts by weight, gets 21 parts of Lin Suanna Vitamin B2 Sodium Phosphates, 11 parts of calcium superphosphate, 34 parts of calcium powders, 12 parts of powdered iron ore, 5.5 parts of silicon breezes, 7.1 parts of composite fertilizers, 3 parts of urea, 0.2 part of active ferment agent, places it in stirrer and stir.
Step C: under agitation, mixture steps A obtained is divided into 6 parts of equivalent, and adds in mixture that step B obtains in batches, is uniformly mixed after each mixing.
Step D: under agitation, adds 15 parts of water-holding agents, stirs in the mixture that step C obtains.
The compound plant cover concrete green additive obtained by step D, cement, paspalum notatum seed, Bermuda grass seed, wild flower combination seed, flavonoids in Leucaena seeds, Stem or leaf of Shrub Lespedeza seed are uniformly mixed by weight 11:2:0.2:0.2:0.2:0.2:0.2, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network on railway limit, Guangxi.
Raw material of the present invention all adopts marketable material.The calcium-base bentonite that wilkinite can adopt Pingqiao District, Xinyang phoenix source mineral products factory to produce.Peat soil is produced by Zhi Xian pavilion, Dunhua City agricultural science and technology company limited.Volcanic ash is produced by HESS company of the U.S..Corn stalk powder can by the processing of Binzhou Rong Tai biological company limited.The Lin Suanna Vitamin B2 Sodium Phosphate sheet that Lin Suanna Vitamin B2 Sodium Phosphate adopts Wuhan Wujing Medicine Co., Ltd to produce, the Vitamin B6 Tablets that vitamin B6 adopts Hangzhou Minsheng Medcine Co., Ltd to produce, the vitamin B12 sheet that vitamin B12 sheet adopts Shanxi Heng Ruida pharmaceutical Co. Ltd to produce, what vitamins C adopted is the VITAMIN C TABLET that Sunflower Pharmaceutical Group (Jiamusi) Co., Ltd. produces.Calcium superphosphate is produced by Jiangmen city Huaming Chemical Co., Ltd..Calcium powder is produced by Jiangxi Sheng Tai Chemical Co., Ltd..Powdered iron ore is produced by golden Taishun Science and Technology Ltd..Silicon breeze is produced by Golden Horse Sociedad De Desarrollo Minero Limitada "Sodemi Ltda".Composite fertilizer can adopt the Chao Ma type composite fertilizer of Russian import, and its active constituent content is: total nitrogen content 16%, available phosphorus content 16%, effectively potassium content 16%.Urea of the present invention can adopt Hubei Ji Jiwang Fei Ye company limited to produce.Active ferment agent of the present invention is produced by Guangzhou Nongguan Biotech Co., Ltd..Water-holding agent is produced by Zhuhai get meter novel material company limited.Cement adopts 425# and/or 325# cement, and it is supplied by Wuxi Long Luan energy-saving building materials company limited.
Comparative example one
With publication number, disclosed in the Chinese patent of CN1358685A, green additive for concrete (control group one), publication number modified version plant cover concrete green additive (control group two), publication number plant cover concrete green additive AB bacterium (control group three) disclosed in the Chinese patent of CN103626584A disclosed in the Chinese patent of CN102491836A is contrast, with compound plant cover concrete green additive of the present invention for experimental group.
Reference example one, cement and plant seed is added in control group or experimental group, and the weight ratio of control group or experimental group, concrete, tall fescue seed, alfalfa seed, Perennial Ryegrass Seed, masson pine seed, false indigo seed is 5:1:0.2:0.2:0.2:0.2:0.2, be uniformly mixed respectively, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network in Heilungkiang railway different zones (condition is same or similar) respectively.Observe its percentage of germination, ratio of green space and erosion resistibility respectively, its statistics is in table 1.
Reference example two, cement and plant seed is added in control group or experimental group, and the weight ratio of control group or experimental group, concrete, paspalum notatum seed, Bermuda grass seed, wild flower combination seed, Stem or leaf of Shrub Lespedeza seed is 4:2:0.2:0.3:0.3:0.2, be uniformly mixed respectively, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network in Yunnan highway different zones (condition is same or similar) respectively.Observe its percentage of germination, ratio of green space and erosion resistibility respectively, its statistics is in table 2.
Reference example five, cement and plant seed is added in control group or experimental group, and control group or experimental group, concrete, tall fescue seed, Indigofera amblyantha, silver close flower seed, masson pine seed, false indigo seed weight ratio be 7:2:0.15:0.2:0.25:0.2:0.2, be uniformly mixed respectively, add water to stir, acquisition plant cover concrete to be sprayed is injected on the rock side-slope of the fixed network in Jiangxi railway different zones (condition is same or similar) respectively.Observe its percentage of germination, ratio of green space and erosion resistibility respectively, its statistics is in table 3.
Remarks: X% percentage of germination refers to plant germination number and accounts for total ratio dropping into plant seed; Ratio of green space refers to the ratio between actual greening floor space and land area; Erosion resistibility refers to the ability that Soil Anti rainwater etc. washes away in the present invention, is not substantially washed and is evaluated as erosion resistibility by force, and part is washed as erosion resistibility is general, is washed in a large number as erosion resistibility is poor.
The percentage of germination of plant cover concrete on the railway of Heilungkiang, ratio of green space and the erosion resistibility result statistics that table 1 reference example one is prepared
The percentage of germination of plant cover concrete on the highway of Yunnan, ratio of green space and the erosion resistibility result statistics that table 2 reference example two is prepared
The percentage of germination of plant cover concrete on the railway of Jiangxi, ratio of green space and the erosion resistibility result statistics that table 3 reference example five is prepared
Table 1 or table 2 or table 3 add up discovery separately:
(1) erosion resistibility of control group one and control group two is strong, but it does not all germinate, and its ratio of green space is 0%, cannot realize the object of rock side-slope greening;
(2) speed of germination of control group three is slow, percentage of germination is low, ratio of green space is lower, and its erosion resistibility is general, although to a certain extent can green rocky side slope, its circulation greening that cannot realize rock side-slope finally reaches the object of ecological management;
(3) compare with control group, the speed of germination of experimental group is faster, and percentage of germination is higher, therefore, it is possible to grow plant sooner, more broadly, is conducive to the greening of rock side-slope; The initial stage ratio of green space (1 year) of experimental group has just had higher basis simultaneously, along with its ratio of green space of prolongation of time has obvious increase, illustrates that this region forms the pattern of circulation greening gradually, is conducive to the formation of ecotope.
The weather condition such as the reference zone of table 1 is Heilungkiang railway, and the reference zone of table 2 is Yunnan highways, and the reference zone of table 3 is Jiangxi railways, three ground temperature are different.Table 1-table 3 is combined statistics to find:
(1) control group one and control group two all do not germinate, and its ratio of green space is 0%, do not consider whether it affects by different geographical;
(2) speed of germination of control group three, percentage of germination, ratio of green space are comparatively large by weather influences such as temperature, and the suitability of extra check group three this extremely frigid zones in Heilungkiang is poor, and therefore control group three affects by territory significantly when applying;
(3) compare with control group, the speed of germination of experimental group, percentage of germination, ratio of green space are negligible by weather influences such as temperature, and experimental group can be applicable to different zones.
Therefore, compared with existing greening side slope technology, the present invention not only as matrix for microorganism and plant provide nutrition, can also ensure concrete intensity, and injection base material is more stably fixed on rock side-slope.In the present invention, vegetation speed of germination is faster, percentage of germination is higher, vegetation ratio of green space is higher and vegetation turf speed is faster, erosion resistibility is strong, and it by weather effects such as region temperature, can not can be applicable to the ecological revetment of different geographical.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.