CN103130460B - A kind of vegetation type slag celluar concrete and Synthesis and applications thereof - Google Patents
A kind of vegetation type slag celluar concrete and Synthesis and applications thereof Download PDFInfo
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- CN103130460B CN103130460B CN201110394353.0A CN201110394353A CN103130460B CN 103130460 B CN103130460 B CN 103130460B CN 201110394353 A CN201110394353 A CN 201110394353A CN 103130460 B CN103130460 B CN 103130460B
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- 230000015572 biosynthetic process Effects 0.000 title claims description 5
- 238000003786 synthesis reaction Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000007493 shaping process Methods 0.000 claims abstract description 29
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- 244000025254 Cannabis sativa Species 0.000 claims abstract description 21
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- 239000004568 cement Substances 0.000 claims abstract description 19
- 239000000839 emulsion Substances 0.000 claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000003337 fertilizer Substances 0.000 claims abstract description 12
- 230000035699 permeability Effects 0.000 claims abstract description 11
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- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims description 10
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- 238000003756 stirring Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
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- 229920000126 latex Polymers 0.000 claims description 4
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical group O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 244000052363 Cynodon dactylon Species 0.000 claims description 3
- 241000234643 Festuca arundinacea Species 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 230000002742 anti-folding effect Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000008635 plant growth Effects 0.000 description 7
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- 239000000463 material Substances 0.000 description 6
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- Pretreatment Of Seeds And Plants (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention relates to a kind of good water permeability and the vegetation type slag celluar concrete of anti-folding and anti-pressing and preparation thereof.Vegetation type slag celluar concrete of the present invention, the raw material being formed the celluar concrete of type by shaping celluar concrete and the mixture evenly sprinkled sowing in shaping celluar concrete hole is made up of slag, cement, water reducer, redispersible emulsion, adminicle and water; Evenly sprinkle sowing the mixture in celluar concrete hole, its raw material components is grass seeds, soil and fertilizer; Vegetation type slag celluar concrete of the present invention has large porosity, and grain is not easily fallen in surface, and its coefficient of permeability reaches 4.2mm/s, and its 28 days compression strength reach 30.0MPa, and its 28 days rupture strengths reach 5.0MPa.Vegetation type slag celluar concrete of the present invention can be used as urban road both sides greenbelt, highway bank protection slope, highway center isolated area, in the fields such as waterside bank protection band, roof greening band and greening of parking yard band.
Description
Technical field
The present invention relates to a kind of good water permeability and the vegetation type slag celluar concrete of anti-folding and anti-pressing and Synthesis and applications thereof.
Background technology
Grass planting concrete is also concrete for plant growth, it is the concrete type of greening vegetation, this concrete is using celluar concrete as skeleton structure, inside also exists certain connectivity gap, green vegetation for concrete surface provides for root growth, the space of drawing nutrient, adopt celluar concrete as plant growth matrix, and various material needed for the inner filling plant growth in space and growing space is provided.
Grass planting the reinforcement of concrete in the road both sides in city, highway bank protection slope and central partition, the position such as waterside bank protection, roof, parking lot, concrete material surface water-permeable and air permeable can be increased, improve damp and hot exchange capacity, reduce concrete material surface temperature, increase the vert space in city, reduce the tropical island effect in city, regulate the life mood of people, there is the function absorbing noise and dust, also positive role is played to the ecological balance of urban climate, can human settlement be improved.
Plant is adapted at low alkalinity growth (pH=8-10), current Japan is used for blast furnace B, C type cement resource that the gelling material of concrete for plant growth is low alkalinity, with the celluar concrete that this cement goes out, its surface pH value, at about 8-9, is applicable to plant growth.And lacking low alkalinity cement resource in China, the general Portland cement configuration celluar concrete that adopts, interpore water environment is without transformation, and its pH value, up to 12.5-13.5, affects plant growth.
Slag is the second largest association solid waste that steel-making produces, account for the 15-20% of output of steel, 2011 whole nations estimate to increase more than 9,000 ten thousand tons of slags newly, add accumulation for many years, the flood tide of domestic 1,000,000,000 tons is not utilized effectively, due to slag poor stability, complicated component, one of two large solid waste having become the most difficult utilization at present, a large amount of stacking serious environment pollution, take valuable soil, city, research shows, slag through special process process has the similar performance of high-quality lithotome, even in wearability, there is larger advantage in the aspects such as surface-active, in the world today that resource is day by day in short supply, the resource becoming very important " turning waste into wealth " of slag.
Pertinent literature has: patent CN 101456711A " a kind of steel slag plant-growing concrete and preparation method thereof ", CN101880147A " a kind of steel slag ecological concrete, steel slag ecological concrete product and preparation method thereof ", patent CN101538135A " a kind of vegetation form cellular concrete and preparation method thereof ", patent CN 102031786A " green vegetation concrete and construction method thereof " and patent CN 102010155A " a kind of high-strength plant growing type porous concrete and preparation method thereof ".Its Patent CN 101538135A " a kind of vegetation form cellular concrete and preparation method thereof " proposes to prepare at the Surface mulch mixed soil of celluar concrete and grass seeds with thickness to plant raw celluar concrete, its concrete steps are: stone, cement, soil, polycarboxylate water-reducer, polymer emulsion, organic manure, concrete alkaline conditioner and water join in agitator according to the proportioning of setting and stirs shaping by A., obtain celluar concrete; B. after grass seeds being soaked 8-10 hour with running water, and soil is the ratio mixing of 1: 2-3 by weight, obtains mixed soil; C. the mixed soil that step B obtains is covered the top layer of the shaping celluar concrete that steps A obtains, obtained vegetation form cellular concrete.
Above-mentioned pertinent literature all shows, slag is used for permeable concrete and has certain research, also there is certain patent achievement steel slag plant-growing concrete aspect, but all there is following problem:
1) grain is easily fallen in lower, the surface of intensity, and along with passage of time, hole is blocked, and water permeability dies down;
2) due to the inhomogeneities of celluar concrete hole, plant is caused to be difficult to stable equilibrium growth.
Summary of the invention
In order to solve following technical problem of the prior art: 1) grain is easily fallen in lower, the surface of intensity, and along with passage of time, hole is blocked, and water permeability dies down; 2) due to the inhomogeneities of celluar concrete hole, plant is caused to be difficult to stable equilibrium growth; The invention provides a kind of Novel steel slag grass planting concrete, i.e. a kind of good water permeability and the vegetation type slag celluar concrete of anti-folding and anti-pressing, under the prerequisite ensureing concrete respiratory, increase substantially bending and compressive strength, plant Omnibearing even is grown.The utilization ways of slag solid waste also expanded by above-mentioned vegetation type slag celluar concrete simultaneously, and develops environmental friendly material.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme to realize:
A kind of vegetation type slag celluar concrete, formed by shaping celluar concrete and the mixture evenly sprinkled sowing in shaping celluar concrete hole, the raw material of described shaping celluar concrete is made up of slag, cement, water reducer, redispersible emulsion, adminicle and water; Wherein, the raw material of described shaping celluar concrete and weight proportion thereof, according to 1 cubic metre of shaping celluar concrete meter, slag accounts for 1900-2400kg/m
3, cement accounts for 250-350kg/m
3, water reducer accounts for 1.5-10.5kg/m
3, redispersible emulsion accounts for 1.5-10.5kg/m
3, adminicle accounts for 0.5-3kg/m
3, the ratio of mud is (0.2-0.3): 1; The described mixture evenly sprinkled sowing in celluar concrete hole, its raw material components and parts by weight thereof are counted according to dry weight: grass seeds: 1 weight portion, soil: 5-15 weight portion, fertilizer: 2-3 weight portion; Described vegetation type slag celluar concrete, its coefficient of permeability reach 4.2mm/s even more than, its 28 days compression strength reach 30.0MPa even more than, its 28 days rupture strengths reach 5.0MPa even more than.
The porosity of shaping celluar concrete of the present invention is 20-30%.
Preferably, the thickness of described shaping celluar concrete is 40-120mm.
Preferably, the particle size range of slag is between 5-40mm, and described slag is the cylinder slag that Baoshan Iron and Steel Group produces.
Preferably, described cement is 42.5 strength grades that Shanghai sea dog Cement Co., Ltd produces.
Preferably, described water reducer can be selected from naphthalene water reducer and poly carboxylic acid series water reducer, wherein naphthalene water reducer, as Shang Haiyuan builds the naphthalene water reducer of the yz-100 model that company of building material Co., Ltd produces; Poly carboxylic acid series water reducer, as the poly carboxylic acid series water reducer of the CPC-1 model of Ka Erdike (Shanghai) trade Co., Ltd.
Preferably, described redispersible emulsion is the redispersible emulsion of Ka Erdike (Shanghai) trade Co., Ltd, its model is that the redispersable latex powder of C4084 adds water formation, and in described redispersible emulsion, the weight proportion of redispersable latex powder and water is 1: (1-5).
Preferably, described adminicle is selected from short fiber, and as short fibers such as general purpose grade asphalt-based carbon fiber, phenolic aldehyde based carbon fibers, the length of described short fiber is generally 35 ~ 150mm.
Preferably, described grass seeds is Festuca Arundinacea (Festuca arundinacea) or Bermuda grass (Cynodondactylon (Linn.) Pers).
Preferably, the moisture content of described soil is no more than 10%.
Preferably, described fertilizer is selected from the flowers and trees fertilizer that Shanghai Yu Nong biological organic fertilizer factory produces.
The preparation method of vegetation type slag celluar concrete of the present invention, comprises the steps:
1), by slag, cement, water reducer, redispersible emulsion, adminicle and water according to proportioning join in agitator and stir, and be cast in die for molding, obtain shaping celluar concrete, then sprinkle water maintenance 3-7 days;
2), grass seeds, soil and fertilizer are obtained mixture according to after proportioning Homogeneous phase mixing;
3), by step 2) mixture that obtains evenly sprinkles sowing in the hole of the shaping celluar concrete after maintenance, after watering, forms described vegetation type slag celluar concrete.Wherein, irrigation amount is moistening to mixture for watering.
Above-mentioned steps 3) in, after grass seeds plant grows, the mixture (also can be described as basic unit's soil) in its root system of plant and hole, celluar concrete are bonded together, and form vegetation type slag celluar concrete, also can be described as grass planting celluar concrete.
Beneficial effect of the present invention is as follows:
1, in the vegetation form cellular concrete with large porosity, slag, due to its " electric welding formula " hydraulic binder power, makes the pressure-proof and snap-resistent intensity that can increase substantially celluar concrete, overcomes surface and easily fall a phenomenon.
2, overcome the inhomogeneities due to celluar concrete hole, cause plant to be difficult to the problem of stable equilibrium growth.
3, plant raw celluar concrete with Steel-slag for stone material preparation, economize on resources the energy, and facilitate the development of recycling economy, social benefit is huge.
Vegetation type slag celluar concrete of the present invention can be widely used as urban road both sides greenbelt, highway bank protection slope, highway center isolated area, in the fields such as waterside bank protection band, roof greening band and greening of parking yard band.
Embodiment
Set forth the present invention further below in conjunction with specific embodiment, should be understood that these embodiments are only not used in for illustration of the present invention and limit the scope of the invention.
Embodiment 1:
The preparation process of vegetation type slag celluar concrete (thickness is 60mm) is as follows:
1, slag, cement, water reducer, redispersible emulsion, short fiber and water are joined in agitator according to corresponding proportioning stir, and be cast in the die for molding of having propped up, obtain celluar concrete, watering maintenance 3-7 days.Wherein, the corresponding weight proportion of slag, cement, water reducer, redispersible emulsion and water is as shown in table 1.Above-mentioned short fiber can adopt general purpose grade asphalt-based carbon fiber, also can adopt phenolic aldehyde based carbon fiber.
2, by grass seeds, soil, fertilizer Homogeneous phase mixing by weight ratio, mixture is obtained; Wherein the corresponding weight proportion of grass seeds, soil and fertilizer is 1: 10: 2.5.
3, mixture step 1 obtained evenly sprinkles sowing in the hole of the shaping celluar concrete after maintenance, waters, and after plant grows, root system and basic unit's soil, celluar concrete are bonded together, and obtain vegetation type slag celluar concrete.
The performance parameter of the vegetation type slag celluar concrete of the present embodiment gained, as shown in table 2.
Embodiment 2:
The preparation process of vegetation type slag celluar concrete (thickness is 40mm) is as follows:
1, slag, cement, water reducer, redispersible emulsion, short fiber and water are joined in agitator according to corresponding proportioning stir, and be cast in the die for molding of having propped up, obtain celluar concrete, watering maintenance 3-7 days.Wherein, the corresponding weight proportion of slag, cement, water reducer, redispersible emulsion and water is as shown in table 1.
2, by grass seeds, soil, fertilizer Homogeneous phase mixing by weight ratio, mixture is obtained; Wherein the corresponding weight proportion of grass seeds, soil and fertilizer is 1: 15: 2.
3, mixture step 1 obtained evenly sprinkles sowing in the hole of the shaping celluar concrete after maintenance, waters, and after plant grows, root system and basic unit's soil, celluar concrete are bonded together, and obtain vegetation type slag celluar concrete.
The performance parameter of the vegetation type slag celluar concrete of the present embodiment gained, as shown in table 2.
Table 1
Table 2
Embodiment 3:
The vegetation type slag celluar concrete (thickness is 60mm) of the present embodiment, the raw material of its celluar concrete and proportioning thereof are: slag consumption 2200kg, cement consumption 350kg, water consumption 82.5kg, polycarboxylate water-reducer consumption 5kg, redispersible emulsion 8.5kg, short fiber 0.5kg.The vegetation type slag celluar concrete of A adopts the preparation method of the vegetation vegetation form cellular concrete of embodiment 1 to obtain, and its coefficient of permeability, 28 days compression strength and rupture strength are as shown in table 3; The vegetation type slag celluar concrete of B adopts and directly the method that grass seeds mixture covers on shaping celluar concrete is obtained; The vegetation type slag celluar concrete of C adopts and is obtained as the method that a shaping concrete component is shaping together with other raw material components by grass seeds mixture.It is as shown in table 4 that the coefficient of permeability of the vegetation type slag celluar concrete obtained by preparation method that its A, B and C tri-kinds is different and plant occupy effect percent void space, and result illustrates can take into account good permeability rate and plant growth uniformity.
Table 3
Table 4
Embodiment 4
The vegetation type slag celluar concrete (thickness is 80mm) of the present embodiment, except the raw material of vegetation type slag celluar concrete and proportioning thereof are different from except embodiment 1, other preparation processes are identical with embodiment 1.Raw material and the proportioning thereof of the vegetation type slag celluar concrete of the present embodiment are as shown in table 5, and its performance parameter is as shown in table 6.
Embodiment 5
The vegetation type slag celluar concrete (thickness is 120mm) of the present embodiment, except the raw material of vegetation type slag celluar concrete and proportioning thereof are different from except embodiment 1, other preparation processes are identical with embodiment 1.Raw material and the proportioning thereof of the vegetation type slag celluar concrete of the present embodiment are as shown in table 5, and its performance parameter is as shown in table 6.
Table 5
Table 6
Claims (10)
1. a vegetation type slag celluar concrete, formed by shaping celluar concrete and the mixture evenly sprinkled sowing in described shaping celluar concrete hole, the raw material of described shaping celluar concrete is made up of slag, cement, water reducer, redispersible emulsion, adminicle and water, and described redispersible emulsion is that redispersable latex powder adds water formation;
Wherein, the raw material of described shaping celluar concrete and weight proportion thereof, according to 1 cubic metre of shaping celluar concrete meter, slag accounts for 1900-2400kg/m
3, cement accounts for 250-350kg/m
3, water reducer accounts for 1.5-10.5kg/m
3, redispersible emulsion accounts for 1.5-10.5kg/m
3, adminicle accounts for 0.5-3kg/m
3, the ratio of mud is (0.2-0.3): 1;
Describedly evenly sprinkle sowing the mixture in shaping celluar concrete hole, its raw material components and parts by weight thereof are counted according to dry weight: grass seeds: 1 weight portion, soil: 5-15 weight portion, fertilizer: 2-3 weight portion;
Described vegetation type slag celluar concrete, its coefficient of permeability reaches 4.2mm/s, and its 28 days compression strength reach 30.0MPa, and its 28 days rupture strengths reach 5.0MPa;
Described vegetation type slag celluar concrete obtains according to the preparation method comprised the steps:
1), by slag, cement, water reducer, redispersible emulsion, adminicle and water according to proportioning join in agitator and stir, and be cast in die for molding, obtain shaping celluar concrete, then sprinkle water maintenance 3-7 days;
2), grass seeds, soil and fertilizer are obtained mixture according to after proportioning Homogeneous phase mixing;
3), by step 2) mixture that obtains evenly sprinkles sowing in the hole of the shaping celluar concrete after maintenance, after watering, forms described vegetation type slag celluar concrete.
2. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, the thickness of described shaping celluar concrete is 40-120mm.
3. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, the particle size range of slag is between 5-40mm; Described cement is 42.5 strength grades.
4. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, described water reducer is selected from naphthalene water reducer and poly carboxylic acid series water reducer.
5. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, in described redispersible emulsion, the weight proportion of redispersable latex powder and water is 1:(1-5).
6. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, described adminicle is selected from short fiber, and the length of described short fiber is 35 ~ 150mm.
7. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, described grass seeds is Festuca Arundinacea or Bermuda grass.
8. vegetation type slag celluar concrete as claimed in claim 1, it is characterized in that, the moisture content of described soil is no more than 10%.
9. the preparation method of the vegetation type slag celluar concrete as described in as arbitrary in claim 1-8, comprises the steps:
1), by slag, cement, water reducer, redispersible emulsion, adminicle and water according to proportioning join in agitator and stir, and be cast in die for molding, obtain shaping celluar concrete, then sprinkle water maintenance 3-7 days;
2), grass seeds, soil and fertilizer are obtained mixture according to after proportioning Homogeneous phase mixing;
3), by step 2) mixture that obtains evenly sprinkles sowing in the hole of the shaping celluar concrete after maintenance, after watering, forms described vegetation type slag celluar concrete.
10. the application of vegetation type slag celluar concrete in urban road both sides greenbelt, highway bank protection slope, highway center isolated area, waterside bank protection band, roof greening band and greening of parking yard band as claimed in claim 9.
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| CN101955339A (en) * | 2009-07-20 | 2011-01-26 | 黄兆龙 | Plant-growing permeable concrete, blending method and application thereof |
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