CN103525427A - Ecological restoration type soil stabilizer for river or river levee - Google Patents
Ecological restoration type soil stabilizer for river or river levee Download PDFInfo
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- CN103525427A CN103525427A CN201210227624.8A CN201210227624A CN103525427A CN 103525427 A CN103525427 A CN 103525427A CN 201210227624 A CN201210227624 A CN 201210227624A CN 103525427 A CN103525427 A CN 103525427A
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- soil
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- slag
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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Abstract
The invention discloses a soil stabilizer in the fields of river environment governance and river water treatment. The soil stabilizer comprises 10-30% of coal ash, 10-30% of calcium ferroaluminate, 30-50% of slag, 5-15% of calcium sulfate and 5-10% of alkaline activator in the manner of grinding into 350 meshes after mixing. The soil stabilizer has the positive effects that industrial solid waste is utilized as an auxiliary material; original soil of a river or a river levee is taken as a raw material; the surface of the stabilized river or river levee has the performance similar to concrete; a lower layer has a soft lower layer similar to natural soil; the cured soil layer has a micro-pore structure; exchange of gases and microorganisms in a water body with the gases and microorganisms in the soil can be ensured when seepage and collapse prevention is realized; the contradiction between the demands of bank stabilization on the soil body and the demands of plant growth on the soil body is well coordinated; not only can bank stabilization be ensured, but also a good biological environment of a riverside zone can be created for flora and fauna and microorganisms.
Description
Technical field
The present invention relates to the soil-solidified-agent of a kind of river course environment improvement and river course water treatment field.
Background technology
River is most important for the survival and development of Rural areas; fast development along with rural development and agriculture production; the river of Rural areas is subject to larger interference; fluvial morphology is tending towards discontinuum; the diversity of river ecological environment and ecosystem function are subject to reduction and destruction in various degree, and traditional concrete revetment often can bring detrimentally affect to river channel ecology function, and river course water and soil water exchange capacity are died down; content of oxygen dissolved in water reduces, water quality variation.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of special use is provided, can utilize the river course river levee soil-solidified-agent of industrial solid castoff.
River course of the present invention river levee ecological remediation type soil-solidified-agent, it comprises flyash, calcium aluminoferrite, slag, calcium sulfate and alkaline activating agent, difference grinding to 200 order after flyash, calcium aluminoferrite, slag, calcium sulfate and alkaline activating agent is dry, by mass parts, be again: flyash 10%-30%, calcium aluminoferrite 10%-30%, slag 30%-50%, calcium sulfate 5%-15%, alkaline activating agent 5%-10%, after mixing, grinding to 350 order is made.
River course of the present invention river levee ecological remediation type soil-solidified-agent, wherein said flyash 10%-20%, calcium aluminoferrite 20%-30%, slag 30%-40%, calcium sulfate 5%-10%, alkaline activating agent 5%-8%.
River course of the present invention river levee ecological remediation type soil-solidified-agent,, wherein said flyash 20%-30%, calcium aluminoferrite 10%-20%, slag 40%-50%, calcium sulfate 10%-15%, alkaline activating agent 8%-10%.
River course of the present invention river levee ecological remediation type soil-solidified-agent, wherein said chemical activator is calcium hydroxide or sodium hydroxide or magnesium hydroxide and polyacrylamide.
The advantage of solidifying agent of the present invention and positively effect are to have utilized industrial solid castoff to do auxiliary material, the original soil of river course river levee is done raw material, make the surface of river course river levee after solidifying there is the performance approximate with concrete, lower floor has the soft lower floor similar to natural soil, soil layer after solidifying has microvoid structure, when antiseepage is anti-collapse, can guarantee in water body the exchange of gas and microorganism in gas and microorganism and soil, coordinated preferably the contradiction that bank stability requires the soil body the growth of soil body requirement and plant, can not only guarantee that bank stability can be again animals and plants, microorganism is created good riverside zone coenocorrelation.
Embodiment
Below in conjunction with specific embodiment, river course of the present invention river levee ecological remediation type soil-solidified-agent is described in further detail.
Utilize this solidifying agent that the mixture of soil and certain proportion building waste fines is cured, the serial reaction that hydration by solidifying agent causes condenses into loose soil particle in the curing face with bulk strength, the effect of opposing hydraulic shear, on soil solidification face, can broadcast sowing grass seeds or lay turf, along with root system of plant extends gradually in solidified earth, staggered root system and soil fixed more firm.
Embodiment 1
Integrally curing engineering is implemented in the soil property section of a long 90m, the wide 2m in slope, when wherein solidify on the long riverbank of 80m, in soil, added 10% building waste fines, all the other 10m have added 60% building waste fines in long riverbank, in the ecological reconstruction process of pond, to pond application to slope soil integrally curing coordinate the technology of grass planting.The operation of earth's surface integrally curing construction is followed successively by and measures that unwrapping wire, levelling of the land, soil class and moisture determination, solidifying agent proportioning are determined, building waste fines adds, solidifying agent paves, mix, roll with maintenance levelling of the land and should be noted foreign material such as removing tree root, turf, stone riprap; When solidifying agent paves, the soil mix degree of depth should be controlled at 15cm left and right, and the earth material mixing adopts the flat road roller of 10t tire driving oscillating to roll 3 times, in 5h, completes, and has rolled rear with straw bag covering 2～3d.
Compressive strength test result shows, building waste cured block unconfined compression strength is 7.3MPa, and the sample ultimate compression strength after natural curing 35d has 8% raising (P < 0.01); The soil solidification piece ultimate compression strength of adding 60% building waste is 5.9MPa, and the soil solidification piece ultimate compression strength of adding 10% building waste is 5.2MPa.Illustrate that the interpolation of building waste fines can improve the ultimate compression strength of soil solidification.
Anti-freezing property test-results shows, through the freeze thawing of 5 times repeatedly, all sample pieces are all without freezing damage phenomenon, just not soaked sample piece surface is slightly wrinkling, other are normally through multigelation, the ultimate compression strength of sample piece is 7.59MPa, only than not freezing cured block ultimate compression strength, has reduced by 7% (8.16MPa).Adopt the solidifying product of common solidifying agent at-7 ℃, to be easily frozen into the fish scale-shaped that thickness reaches 3mm and freeze layer, the solidifying agent in the present invention, after adding antifreezing agent, can normally be used under-18 ℃ of temperature conditions.
The measurement result that face shear strength is solidified on riverbank shows, ordinary water level place, the exposed riverbank Soil Anti shearing resistance that does not apply curing technology is (3.4 ± 1.7) kPa, and top, slope is (6.3 ± 2.6) kPa; The shear strength of solidified earth is (243 ± 38.6) kPa, Soil Anti shearing resistance be greatly improved (P < 0.01) after solidifying.The survey showed that for erosion amount, and exposed riverbank soil erosion amount is 320t/km
2, solidification of river bank soil erosion amount is 16t/km
2, illustrate that surface, riverbank anti-impact, resistance to corrosion greatly strengthen (P < 0.01) after sloping bank integrally curing, to controlling depletion, brought into play vital role.
After curing face litters, the 10th day time, the root system that in turf, minority is more flourishing starts to stretch in solidified earth, and after 11 months in turf in 60% root system progress solidified earth, after 11 months, newborn bermudagrass grass combines together completely with solidified earth below.This solidified earth perviousness is better, rainwater can enter in solidified earth by turf, is conducive to plant-growth and water system exchange, and root system of plant enters after soil, to the integral body of sloping bank soil is fixing, also greatly strengthen, improvement effect aquatic to periphery, terrestial enviornment is more and more obvious.
Adopt integrally curing river levee of the present invention riverbank both to meet the requirement of stability of slope, can realize flood passage again, the effect of water drainage and soil conservation, itself and traditional grouting, placed rockfill is different with concrete revetment, the connective curing technology of having focused on reinforcement solidifying product itself and other factors factor such as penetrating of plant root growth and water (as be suitable for) combines with vegetation construction, guaranteeing on the basis of bank stabilization, the construction side slope species diversity of take is target, at riverbank ecotone, form material, the optimum circulation of energy and information, embodied the ecological engineering principle of certain " oneself's design ”Huo“ self ".Meanwhile, the curing utilization of building waste has embodied the ecological engineering technology means of changing waste into resources.
Claims (4)
1. river course river levee ecological remediation type soil-solidified-agent, it is characterized in that it comprises flyash, calcium aluminoferrite, slag, calcium sulfate and alkaline activating agent, difference grinding to 200 order after flyash, calcium aluminoferrite, slag, calcium sulfate and alkaline activating agent is dry, by mass parts, be again: flyash 10%-30%, calcium aluminoferrite 10%-30%, slag 30%-50%, calcium sulfate 5%-15%, alkaline activating agent 5%-10%, after mixing, grinding to 350 order is made.
2. river course according to claim 1 river levee ecological remediation type soil-solidified-agent, is characterized in that described flyash 10%-20%, calcium aluminoferrite 20%-30%, slag 30%-40%, calcium sulfate 5%-10%, alkaline activating agent 5%-8%.
3. river course according to claim 1 river levee ecological remediation type soil-solidified-agent, is characterized in that described flyash 20%-30%, calcium aluminoferrite 10%-20%, slag 40%-50%, calcium sulfate 10%-15%, alkaline activating agent 8%-10%.
4. the river course special curing agent of telling according to claim 1,2 or 3, described in it, chemical activator is calcium hydroxide or sodium hydroxide or magnesium hydroxide and polyacrylamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227624.8A CN103525427A (en) | 2012-07-03 | 2012-07-03 | Ecological restoration type soil stabilizer for river or river levee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227624.8A CN103525427A (en) | 2012-07-03 | 2012-07-03 | Ecological restoration type soil stabilizer for river or river levee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103525427A true CN103525427A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210227624.8A Pending CN103525427A (en) | 2012-07-03 | 2012-07-03 | Ecological restoration type soil stabilizer for river or river levee |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645814A (en) * | 2015-12-31 | 2016-06-08 | 马鞍山清净环保科技有限公司 | Curing agent and preparation method thereof |
| CN105645815A (en) * | 2015-12-31 | 2016-06-08 | 马鞍山清净环保科技有限公司 | Treatment method and application of municipal solid waste incineration fly ash |
| CN105696519A (en) * | 2015-12-31 | 2016-06-22 | 马鞍山清净环保科技有限公司 | Method for restoring river channel |
| CN105778923A (en) * | 2016-04-14 | 2016-07-20 | 吉林中路新材料有限责任公司 | Soil stabilizer and preparation method thereof |
| CN106987251A (en) * | 2017-02-10 | 2017-07-28 | 内蒙古君子津环境科技有限公司 | The preparation method of contracting agent is rolled into a ball in a kind of inorganic moisturizing of fixing the sand |
-
2012
- 2012-07-03 CN CN201210227624.8A patent/CN103525427A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645814A (en) * | 2015-12-31 | 2016-06-08 | 马鞍山清净环保科技有限公司 | Curing agent and preparation method thereof |
| CN105645815A (en) * | 2015-12-31 | 2016-06-08 | 马鞍山清净环保科技有限公司 | Treatment method and application of municipal solid waste incineration fly ash |
| CN105696519A (en) * | 2015-12-31 | 2016-06-22 | 马鞍山清净环保科技有限公司 | Method for restoring river channel |
| CN105696519B (en) * | 2015-12-31 | 2018-03-30 | 马鞍山清净环保科技有限公司 | A kind of river course restorative procedure |
| CN105645815B (en) * | 2015-12-31 | 2018-07-13 | 马鞍山清净环保科技有限公司 | A kind of processing method of incineration of refuse flyash and application |
| CN105645814B (en) * | 2015-12-31 | 2018-07-17 | 堡森（上海）环境工程有限公司 | A kind of curing agent and preparation method thereof |
| CN105778923A (en) * | 2016-04-14 | 2016-07-20 | 吉林中路新材料有限责任公司 | Soil stabilizer and preparation method thereof |
| CN106987251A (en) * | 2017-02-10 | 2017-07-28 | 内蒙古君子津环境科技有限公司 | The preparation method of contracting agent is rolled into a ball in a kind of inorganic moisturizing of fixing the sand |
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Addressee: Sunset at sunset many (Shanghai) Industrial Co., Ltd. Document name: Notification of before Expiration of Request of Examination as to Substance |
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Application publication date: 20140122 |