CN102031786A - Greening vegetation concrete and construction method thereof - Google Patents
Greening vegetation concrete and construction method thereof Download PDFInfo
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- CN102031786A CN102031786A CN2010105539706A CN201010553970A CN102031786A CN 102031786 A CN102031786 A CN 102031786A CN 2010105539706 A CN2010105539706 A CN 2010105539706A CN 201010553970 A CN201010553970 A CN 201010553970A CN 102031786 A CN102031786 A CN 102031786A
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- concrete
- afforestation vegetation
- spray
- vegetation concrete
- magnesia
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses greening vegetation concrete and a construction method thereof in the technical field of building engineering. The concrete comprises base concrete and grass seed surface concrete, wherein the base concrete is positioned at the bottom and has thickness of less than 5cm; the grass seed surface concrete is positioned on the top and has thickness of between 5 and 10cm; the base concrete comprises fly ash, over-burnt magnesia, ammonium dihydrogen phosphate, sodium bicarbonate, sand, plant fiber and a set controlling material; and the grass seed surface concrete comprises fly ash, over-burnt magnesia, ammonium dihydrogen phosphate, sodium bicarbonate, planting soil and humus. In the invention, phosphate cement is adopted; due to the chemical reaction between the over-burnt magnesia and the ammonium dihydrogen phosphate, cohesive strength is formed, and ammonia gas is continuously released in the reaction, so that communicated pores are formed in the greening concrete and nutrient is provided for vegetation to realize the preparation of the greening concrete.
Description
Technical field
What the present invention relates to is a kind of material and job practices of construction engineering technical field, specifically is a kind of afforestation vegetation concrete and job practices thereof.
Background technology
Current, for some engineering, as bank protection, golf course, people wish to use the afforestation vegetation concrete, to reduce the influence to living environment.Green concrete (concrete that claims again to grow grass, concrete lawn, concrete grass blanket etc.) is meant to adapt to plant growing, can carry out the vegetation operation, has to keep original protective action function, protect environment, improve the concrete and the goods thereof of ecological condition.At present, the research of green concrete both domestic and external has obtained certain achievement and practical engineering application, find through retrieval prior art, Chinese patent publication number: CN 101538135A, patent name: a kind of vegetation form cellular concrete and preparation method thereof, Chinese patent publication number and for example: CN 101318795A, patent name: a kind of preparation method of vegetation type porous concrete.Conclusion is got up, and green concrete mainly comprises following a few class: 1. hole type green concrete, this wherein uses according to engineering and is divided into hole type block green concrete and hole type multilayer green concrete again.Hole type green concrete structure manufacture is simple relatively, coerced by the concrete saline alkali to influence little, but the major part green coverage is less, generally can reach 8% one 20%, its application is restricted.2. lay the formula green concrete.At the fixing vegetation net of concrete surface, and the adhesive material of spraying preparation by a certain percentage, water-loss reducer, fertilizer, plant straw shell powder, grass seed mixture, filler etc., constitute the plant growing matrix and also it is grown grass.Cementitious materials has inorganic adhesive cement etc., organic adhesion agent etc.This method is used for the greening of existing concrete surface, bare rock face more, soak for a long time and wash away and wait to observe but can experience flood, multiple cropping with reseed performance and how not see relevant argumentation and report.It is reported that the price on this greening coagulation is because of comprising concrete itself and laying base material, so generally higher.3. porous type green concrete at random.Be with non-fine concrete as the plant growing matrix, and in hole the required material of filling plant growing, the dark people of root system of plant or pass non-fine concrete to the protected soil.This concrete key technical problem is the formation of inside concrete interconnected pore and the control of inner alkaline environment, existing both at home and abroad at present relevant research invention.Use and research data from existing engineering, the cementitious material that adopts of green concrete adopts portland cement substantially at present, by the different modifier of admixture with reduction with control the alkaline environment that forms behind its setting and harden and realize that it is beneficial to vegetation growth.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of afforestation vegetation concrete and job practices thereof are provided, adopt phosphate cement, utilize burning magnesia and ammonium dihydrogen phosphate (ADP) generation chemical reaction, form on the one hand adhesion strength, its reaction constantly discharges ammonia and forms the hole that is communicated with and provide nutrient to realize the green concrete preparation for vegetation in that green concrete is inner on the one hand in addition.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of afforestation vegetation concrete, comprising: the thickness that is positioned at the bottom be 5cm with substrate concrete and the thickness that is positioned at the top be the grass seeds facing concrete of 5cm～10cm.
The composition of described substrate concrete and mass percentage content thereof are: flyash 15～25%, burning magnesia 7～13%, phosphoric acid dihydro amine 25～35%, sodium acid carbonate 0.5～1%, sand 30～45%, string 0.5%～1% and accent gel material 0.5～2%.
The composition of described grass seeds facing concrete and mass percentage content thereof are: flyash 6～10%, burning magnesia 2.25～3.75%, phosphoric acid dihydro amine 6.75～11.25%, sodium acid carbonate 1.0～3.0%, living soil 50～60% and the humus 19～28% of planting.
Described flyash is selected III level or the above ash of III level for use.
Described burning magnesia is selected the dead burnt magnesite sand through 1500 ℃ of high-temperature calcinations for use, and wherein content of magnesia is greater than 90%, and the solubility constant of this burning magnesia is 5-25, and grain diameter is the 8-10 micron.
Described phosphoric acid dihydro amine is a technical grade, and purity is more than 98%.
Described sodium acid carbonate is a technical grade;
Described string is a stalk.
Described accent gel material is the powder of commercially available boric acid, borax or citric acid, and its purity is greater than 90%, and water content is less than 0.5%.
Described life is planted soil and is sandy loam.
Stalk or rice husk that described humus is sawdust, grind.
The present invention relates to the concrete preparation method of above-mentioned afforestation vegetation, by preparing with stirring with lorry mounted mixer after the said components proportioning.
The present invention relates to above-mentioned afforestation vegetation Concrete Construction method, may further comprise the steps:
1. clear up side slope and carry out the linked network processing according to the stability of side slope.
2. adopt dry type concrete to spray plant equipment and spray substrate concrete of the present invention, THICKNESS CONTROL is in 5cm.
3. after treating the substrate concrete sclerosis, adopt dry type concrete to spray plant equipment and spray the grass seeds facing concrete that contains different grass species, THICKNESS CONTROL is 5cm～10cm.
4. after completion is planted in spray, spray irrigation system is installed on side slope, through maintenance, the grass seeds germinating growth.
The present invention has the following advantages and technical characteristic:
(1) easy construction can directly carry out spraying application, environmentally safe.
(2) have higher bonding strength with base material, and higher compression and tensile strength are arranged.
(3) neutral environment is fit to vegetation growth, and the surface is directly covered by plant, the performance afforestation effect.
(4) have higher water permeability, rainwater can be directly to underground infiltration.
(5) concrete itself constantly provides nutrient to vegetation, has guaranteed the growth of vegetation.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Construction seasons is early summer, and the job location is the Yunnan mountainous area highway, and the side slope inclination angle is 60 degree, high 25m, wide 250m.Earlier side slope is cleared up, carry out linked network then and handle.
Basic unit's green concrete of present embodiment forms and percentage by weight is a flyash 15%, burning magnesia 13%, phosphoric acid dihydro amine 25%, sodium acid carbonate 1%, sand 45%, stalk 0.5% and boric acid 0.5%.Utilize lorry mounted mixer to stir, form basic unit's green concrete mixture siccative.
The surface layer plant cover concrete main component of present embodiment is a flyash, burning magnesia, and phosphoric acid dihydro amine, sodium acid carbonate, sandy loam, sawdust, their weight ratio is 6: 3.75%: 11.25%: 1.0%: 50%: 28%.Grass seeds is selected the mixture of Bermuda grass and cotton grass for use, and its weight ratio is 40: 60,0.1 kilogram of every square metre of consumption.
Spray plant equipment with dry type concrete and spray green concrete of the present invention, divide two-layer injection, groundwork thickness is 5cm, and surface layer is 8cm, adds grass seeds when wherein surface layer sprays, and after injection finishes, covers and periodically sprinkle water with straw.About 10 days, finding has vegetation to grow.
Embodiment 2
Construction seasons is early spring, and the job location is the Guizhou mountain highway, and the side slope inclination angle is 65 degree, high 30m, wide 300m.Earlier side slope is cleared up, carry out linked network then and handle.
Basic unit's green concrete main component of present embodiment is a flyash, burning magnesia, and phosphoric acid dihydro amine, sodium acid carbonate, sand, stalk and citric acid, their weight ratio is: 25%: 7%: 35%: 0.5%: 30%: 0.5%: 2%.Utilize lorry mounted mixer to stir, form basic unit's green concrete mixture siccative.
The surface layer plant cover concrete main component of present embodiment is a flyash, burning magnesia, and phosphoric acid dihydro amine, sodium acid carbonate, sandy loam, the stalk of pulverizing, their weight ratio is 10%: 2.25%: 6.75%: 2.0%: 60%: 19%.Grass seeds is selected precocious meadow standing grain, English ryegrass, paspalum notatum and 103 leaf mixtures for use, and its weight ratio is 20: 20: 30: 30, and 0.11 kilogram of every square metre of consumption.
Spray plant equipment with dry type concrete and spray green concrete of the present invention, divide two-layer injection, groundwork thickness is 5cm, and surface layer is 9cm, adds grass seeds when wherein surface layer sprays, and after injection finishes, covers and periodically sprinkle water with straw.About two weeks, there is vegetation to grow.
Embodiment 3
Construction seasons is May, and the job location is the somewhere, Shanghai, and the side slope inclination angle is 30 degree, high 10m, wide 10m.Consider the test section and the gradient, only side slope is carried out cleaning work.
Basic unit's green concrete main component of present embodiment is a flyash, burning magnesia, and phosphoric acid dihydro amine, sodium acid carbonate, sand, stalk and borax, their weight ratio is: 20%: 10%: 33%: 0.75%: 35%: 1%: 1.25%.Utilize lorry mounted mixer to stir, form basic unit's green concrete mixture siccative.
The surface layer plant cover concrete main component of present embodiment is a flyash, burning magnesia, phosphoric acid dihydro amine, sodium acid carbonate, sandy loam, the rice husk of pulverizing and stalk.Their weight ratio is 8%: 3%: 8%: 3.0%: 55%: 23%.Grass seeds is selected the mixture of Bermuda grass, water saving grass and cotton grass for use, and its weight ratio is 20: 40: 40,0.1 kilogram of every square metre of consumption.
Spray plant equipment with dry type concrete and spray green concrete of the present invention, divide two-layer injection, groundwork thickness is 4cm, and surface layer is 8cm, adds grass seeds when wherein surface layer sprays, and after injection finishes, covers and periodically sprinkle water with straw.About 7 days, there is vegetation to grow.
Claims (9)
1. afforestation vegetation concrete comprises: the thickness that is positioned at the bottom be 5cm with substrate concrete and the thickness that is positioned at the top be the grass seeds facing concrete of 5cm～10cm, it is characterized in that:
The composition of described substrate concrete and mass percentage content thereof are: flyash 15～25%, burning magnesia 7～13%, phosphoric acid dihydro amine 25～35%, sodium acid carbonate 0.5～1%, sand 30～45%, string 0.5%～1% and accent gel material 0.5～2%;
The composition of described grass seeds facing concrete and mass percentage content thereof are: flyash 6～10%, burning magnesia 2.25～3.75%, phosphoric acid dihydro amine 6.75～11.25%, sodium acid carbonate 1.0～3.0%, living soil 50～60% and the humus 19～28% of planting.
2. afforestation vegetation concrete according to claim 1 is characterized in that, described flyash is selected III level or the above ash of III level for use.
3. afforestation vegetation concrete according to claim 1, it is characterized in that described burning magnesia is selected the dead burnt magnesite sand through 1500 ℃ of high-temperature calcinations for use, wherein content of magnesia is greater than 90%, the solubility constant of this burning magnesia is 5-25, and grain diameter is the 8-10 micron.
4. afforestation vegetation concrete according to claim 1 is characterized in that, described phosphoric acid dihydro amine is a technical grade, and purity is more than 98%.
5. afforestation vegetation concrete according to claim 1 is characterized in that, described string is a stalk.
6. afforestation vegetation concrete according to claim 1 is characterized in that, described accent gel material is the powder of commercially available boric acid, borax or citric acid, and its purity is greater than 90%, and water content is less than 0.5%.
7. afforestation vegetation concrete according to claim 1 is characterized in that, described life is planted soil and is sandy loam.
8. afforestation vegetation concrete according to claim 1 is characterized in that, stalk or rice husk that described humus is sawdust, grind.
9. one kind according to the described afforestation vegetation Concrete Construction of above-mentioned arbitrary claim method, it is characterized in that, may further comprise the steps:
The first step, cleaning side slope are also carried out linked network according to the stability of side slope and are handled;
Second step, employing dry type concrete spray plant equipment and spray substrate concrete of the present invention, and THICKNESS CONTROL is in 5cm;
The 3rd step, treat substrate concrete sclerosis after, adopt dry type concrete to spray plant equipment and spray the grass seeds facing concrete that contains different grass species, THICKNESS CONTROL is 5cm～10cm;
After completion is planted in the 4th step, spray, spray irrigation system is installed on side slope, through maintenance, the grass seeds germinating growth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105539706A CN102031786B (en) | 2010-11-23 | 2010-11-23 | Greening vegetation concrete and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105539706A CN102031786B (en) | 2010-11-23 | 2010-11-23 | Greening vegetation concrete and construction method thereof |
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| Publication Number | Publication Date |
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| CN102031786A true CN102031786A (en) | 2011-04-27 |
| CN102031786B CN102031786B (en) | 2012-07-18 |
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| CN2010105539706A Expired - Fee Related CN102031786B (en) | 2010-11-23 | 2010-11-23 | Greening vegetation concrete and construction method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557512A (en) * | 2012-03-15 | 2012-07-11 | 北京建筑工程学院 | Additive special for planting concrete and preparation method and using method for additive |
| CN103283573A (en) * | 2013-05-29 | 2013-09-11 | 哈尔滨工业大学宜兴环保研究院 | Vegetation concrete and preparation method thereof |
| CN103477746A (en) * | 2013-09-29 | 2014-01-01 | 江苏名和集团有限公司 | Vegetation concrete pore soil alkalinity reconstruction method and device |
| CN104719116A (en) * | 2015-04-20 | 2015-06-24 | 华北理工大学 | Artificial soil matrix and preparation method and application for artificial soil matrix |
| CN105819758A (en) * | 2016-03-10 | 2016-08-03 | 盐城工学院 | Ecologic solidified fluid mud and production method thereof |
| CN106613830A (en) * | 2016-11-17 | 2017-05-10 | 遵义联谷农业科技有限公司 | Dendrobium nobile seedling raising substrate |
| CN106801423A (en) * | 2017-04-13 | 2017-06-06 | 唐山市燕大生态治污科技有限公司 | Side slope spraying and seeding afforesting matrix and preparation method thereof |
| CN106906832A (en) * | 2017-03-31 | 2017-06-30 | 合肥工业大学 | Double layer concrete ecological revetment and its laying method |
| CN107344841A (en) * | 2017-06-14 | 2017-11-14 | 上海建工集团股份有限公司 | A kind of preparation method of ultralight sprayable foam concrete and its product |
| CN108298893A (en) * | 2018-02-05 | 2018-07-20 | 湖州中煤地质工程有限公司 | A kind of Slope greening construction method and Slope greening matrix concrete |
| CN109098189A (en) * | 2018-08-02 | 2018-12-28 | 北京易成市政工程有限责任公司 | Road slope landslide reinforcement construction method |
| CN109626950A (en) * | 2018-10-31 | 2019-04-16 | 上海星欣科技发展有限公司 | Ecological slope protection concrete and its construction method |
| 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 |
| CN111501478A (en) * | 2020-04-27 | 2020-08-07 | 上海久鼎绿化混凝土有限公司 | Construction method of cast-in-place green concrete on sports fields such as football field |
| CN113897979A (en) * | 2021-10-09 | 2022-01-07 | 三峡大学 | Vegetation concrete ecological restoration method for combination of dry spraying, wet spraying and spraying of high and steep side slope |
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|---|---|---|---|---|
| CN1383712A (en) * | 2002-04-25 | 2002-12-11 | 许文年 | Concrete greening technology for cement side slope vegetation |
| JP2004161548A (en) * | 2002-11-14 | 2004-06-10 | Ohbayashi Corp | Method of producing wood chip concrete for spraying |
| CN101538167A (en) * | 2009-04-16 | 2009-09-23 | 上海交通大学 | Porous concrete mixture and products and preparation method thereof |
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2010
- 2010-11-23 CN CN2010105539706A patent/CN102031786B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1383712A (en) * | 2002-04-25 | 2002-12-11 | 许文年 | Concrete greening technology for cement side slope vegetation |
| JP2004161548A (en) * | 2002-11-14 | 2004-06-10 | Ohbayashi Corp | Method of producing wood chip concrete for spraying |
| CN101538167A (en) * | 2009-04-16 | 2009-09-23 | 上海交通大学 | Porous concrete mixture and products and preparation method thereof |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557512A (en) * | 2012-03-15 | 2012-07-11 | 北京建筑工程学院 | Additive special for planting concrete and preparation method and using method for additive |
| CN103283573A (en) * | 2013-05-29 | 2013-09-11 | 哈尔滨工业大学宜兴环保研究院 | Vegetation concrete and preparation method thereof |
| CN103477746A (en) * | 2013-09-29 | 2014-01-01 | 江苏名和集团有限公司 | Vegetation concrete pore soil alkalinity reconstruction method and device |
| CN104719116B (en) * | 2015-04-20 | 2017-06-27 | 华北理工大学 | A kind of artificial soil matrix and its compound method and application |
| CN104719116A (en) * | 2015-04-20 | 2015-06-24 | 华北理工大学 | Artificial soil matrix and preparation method and application for artificial soil matrix |
| CN105819758A (en) * | 2016-03-10 | 2016-08-03 | 盐城工学院 | Ecologic solidified fluid mud and production method thereof |
| CN106613830A (en) * | 2016-11-17 | 2017-05-10 | 遵义联谷农业科技有限公司 | Dendrobium nobile seedling raising substrate |
| CN106906832A (en) * | 2017-03-31 | 2017-06-30 | 合肥工业大学 | Double layer concrete ecological revetment and its laying method |
| CN106801423A (en) * | 2017-04-13 | 2017-06-06 | 唐山市燕大生态治污科技有限公司 | Side slope spraying and seeding afforesting matrix and preparation method thereof |
| CN107344841A (en) * | 2017-06-14 | 2017-11-14 | 上海建工集团股份有限公司 | A kind of preparation method of ultralight sprayable foam concrete and its product |
| CN108298893A (en) * | 2018-02-05 | 2018-07-20 | 湖州中煤地质工程有限公司 | A kind of Slope greening construction method and Slope greening matrix concrete |
| CN108298893B (en) * | 2018-02-05 | 2020-12-25 | 中煤浙江生态环境发展有限公司 | Slope greening construction method and matrix concrete for slope greening |
| CN109098189A (en) * | 2018-08-02 | 2018-12-28 | 北京易成市政工程有限责任公司 | Road slope landslide reinforcement construction method |
| CN109626950A (en) * | 2018-10-31 | 2019-04-16 | 上海星欣科技发展有限公司 | Ecological slope protection concrete and its construction method |
| 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 |
| CN111501478A (en) * | 2020-04-27 | 2020-08-07 | 上海久鼎绿化混凝土有限公司 | Construction method of cast-in-place green concrete on sports fields such as football field |
| CN113897979A (en) * | 2021-10-09 | 2022-01-07 | 三峡大学 | Vegetation concrete ecological restoration method for combination of dry spraying, wet spraying and spraying of high and steep side slope |
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| CN102031786B (en) | 2012-07-18 |
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