CN106830777A - Regeneration fill concrete and its application prepared by consumer waste incineration residue - Google Patents
Regeneration fill concrete and its application prepared by consumer waste incineration residue Download PDFInfo
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- CN106830777A CN106830777A CN201611176907.9A CN201611176907A CN106830777A CN 106830777 A CN106830777 A CN 106830777A CN 201611176907 A CN201611176907 A CN 201611176907A CN 106830777 A CN106830777 A CN 106830777A
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- concrete
- regeneration
- waste incineration
- incineration residue
- fill concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The regeneration fill concrete prepared the invention discloses a kind of consumer waste incineration residue and its application, belong to regeneration fill concrete preparation field.Above-mentioned regeneration fill concrete is made up of the component of following weight portion：The weight portion of domestic waste incineration residue 30 40, the weight portion of building waste 30 40, the weight portion of fine aggregate 30 40, the weight portion of agstone 5 10, the weight portion of cement 5 10, the weight portion of concrete admixture 0.03 1.The present invention forms optimum gradation using the material of different-grain diameter, the selection of the specified particle diameter of each component causes to be filled into the space of upper level particle diameter the cementability strengthened between particle diameters at different levels compared with the material of small particle in mixed process in preparation process, the space in concrete is reduced, concrete crushing strength and durability is greatly improved.To sum up, the present invention is successfully prepared the regeneration fill concrete of solid waste content high, has the advantages that solid waste utilization rate is high, compression strength is high, while also reducing the floor space of solid waste, economizes the land resource.
Description
Technical field
It is more particularly to a kind of to be prepared using consumer waste incineration residue the present invention relates to regenerate fill concrete preparation field
Regeneration fill concrete and its application.
Background technology
With the quickening of urbanization process, the yield of domestic waste is significantly increased.According to statistics, by the end of 2010 I
State's domestic waste annual production has reached 3.52 hundred million tons, and up to more than 70 hundred million tons, the city that the whole nation has 2/3 is absorbed in rubbish volume of cargo in storage
Among the encirclement of rubbish.Garbage incineration technology can make house refuse volume reduction more than 90%, Mass lost 70% or so, in rubbish
Electric energy can also be obtained while burning decrement, therefore, burning method is considered as a kind of side that can effectively process house refuse
Method.However, waste incineration can produce the incineration slag (slag and flying dust) of about 30% (mass fraction), wherein slag accounts for 80%, stove
Slag has pozzolanic activity, can serve as the polymeric material in concrete.
According to China《Consumer waste incineration Environmental capacity standard》(GB18485-2001), slag can by " solid give up
Thing " is processed, therefore, current most of slags use landfill disposal, and substantial amounts of land resource and landfill expense are not only taken up
With huge.On the other hand, the current concrete year output of China more than 35 billion cubic meters, it is necessary to consume natural aggregate (sandstone)
6000000000 tons, the consumption of the ore resource, the energy brought during aggregate production use, and the pollution of air and environment is asked
Topic has caused the common concern of global range.Consumer waste incineration residue and cement relatively, have in chemical composition
There is gel active, can be used as cementing material, part substitutes the cement in concrete.Therefore, many scientific research personnel are attempted in coagulation
Municipal solid waste incineration slag is utilized in soil, feasibility and explore raising slag substitution rate that analysis slag is recycled
Measure etc..
Building waste refers to that construction, unit in charge of construction or individual are built to all kinds of buildings, structures, pipe network etc., spread
If or dregs produced in dismounting, reparative processes, spoir, rejected material, remaining mud and other discarded objects.Building waste refer to people from
Thing is removed, builds, finishing, repair etc. produce in the production activity of construction industry dregs, waste and old concrete, waste and old masonry and other
The general designation of discarded object.Classify by generating source, building waste can be divided into engineering dregs, decoration garbage, removal rubbish, engineering slurry
Deng；By constituent classify, can be divided into building waste dregs, concrete block, crushed stone, brick and tile fragment, waste mortar, mud,
Asphalt blocks, waste plastics, old metal, useless bamboo wood etc..
Compared with other municipal refuses, building waste has the characteristics of measuring big, nontoxic and resourcebility rate high.It is big absolutely
Most building wastes can be to be re-used as regenerated resources, such as：Old metal can melt down again is processed into all size
Steel；Useless bamboo wood, wood chip etc. can be used to manufacture various artificial boards；The waste materials such as brickbat, concrete block can replace after crushing
Sand is directly utilized at the construction field (site), for masonry mortar, motar, disturbing concrete etc., it is also possible to built with making building block etc.
Material product etc..
Waste concrete block is by crushing, cleaning the aggregate abbreviation regeneration aggregate with formation after classification；Regeneration aggregate part
Or the concrete referred to as regenerated aggregate concrete being all formulated instead of natural aggregates such as sandstones.Regeneration aggregate is made full use of to mix
Solidifying soil, not only can effectively reduce the quantity of building waste, reduce pollution of the building waste to natural environment, meanwhile, using regeneration
Aggregate manufacture regenerated aggregate concrete can also reduce the exploitation in architectural engineering to natural aggregate, reach the mesh of environmental protection
's.
But, numerous research shows the close phase of the substitution rate of compression strength and regeneration aggregate of regenerated aggregate concrete
Close, when regeneration aggregate substitution rate is below 30%, regenerated aggregate concrete is with general aggregate concrete compression strength gap not
Greatly, regenerated aggregate concrete compression strength is reduced with the increase of regeneration aggregate substitution rate.The substitution of regeneration aggregate 50% is natural
During coarse aggregate, regenerated aggregate concrete compression strength reduction by 5%~20%, when the natural thick bone of the substitution of regeneration aggregate 100%
During material, the reduction of regenerated aggregate concrete compression strength is more, and maximum decreases by 30%.Meanwhile, correlation test shows：Due to again
Raw aggregate concrete is different with the aggregate element of natural aggregate concrete, their compression strength with age growth pattern also not phase
Together, compared with natural aggregate concrete, the 28d compression strength of the regenerated aggregate concrete of the same ratio of mud is about low by 15%, but its
The amplitude of difference can slowly reduce with the growth of age.Regenerated aggregate concrete compression strength is influenceed very by the ratio of mud
Greatly, regenerated aggregate concrete increases with the ratio of mud, and compression strength is drastically reduced.The ratio of mud averagely increases by 0.1, and compression strength declines
20% or so.
Meanwhile, the tensile strength of regenerated aggregate concrete is closely related with the substitution rate of regeneration aggregate, regeneration aggregate coagulation
The tensile strength of soil is reduced with the raising of the substitution rate of regeneration aggregate, when regeneration aggregate 100% substitutes natural aggregate, regeneration
Aggregate concrete contrast natural aggregate concrete tensile strength reduction by 6.9.Numerous researchers are strong to regenerated aggregate concrete tension
Spend with the raising of regeneration aggregate substitution rate, the result obtained by intensity decreases is although discrete, but summarize numerous achievements in research, find again
The tensile strength of raw aggregate concrete is influenceed not compression strength big by the substitution rate of regeneration aggregate, therefore, using pressure resistance
The 10% of degree is than more conservative and relatively safe as the tensile strength of regenerated aggregate concrete.
The building wastes such as brick, stone, concrete, if directly carrying out backfilling of earthwork, adulterate and be attached to backfill material in
For underground water and soil poisonous and harmful substances -- coating, paint, glue etc. are largely present.If expected at the scene again backfill
Secondary to be processed, in addition to scene does not possess the factors such as machinery, technology, cumbersome processing mode and the processing cost of great number can be by
Most of units in charge of construction are blocked in outside the gate of regeneration processing mode；If this part rubbish is fabricated to building material, and
The preceding factory recycled to building waste is few, even if having, in face of the freight of great number is blocked in again, and institute
Still one it has been buried with final.
Technology on preparing concrete using the slag or building waste of consumer waste incineration, in the prior art by
Relevant report：
CN104628281A discloses a kind of consumer waste regenerated disposing technique and its regeneration fill concrete product, including
Following steps：(1) collect；(2) selection by winnowing；(3) one-level is crushed；(4) magnetic separation；(5) wet concentration；(6) two-stage crushing, obtains 5~25mm
Rubble product.Also disclose the regeneration backfill that the rubble product being made of above-mentioned consumer waste regenerated disposing technique is made
Concrete product.The manufacture craft of the consumer waste regenerated disposing technique that the invention is provided is simple, it is easy to accomplish, life can be solved
Construction refuse regenerated Utilizing question, and quick Fabrication goes out the rubble product suitable for construction material, is made of the invention product
Building structural strength it is good, weight capacity is big, long service life, and from heavy and light, with low cost, simple processing meets ring
Guarantor, economic characteristics, production procurement are convenient, competitiveness are improve, with good economic benefit and social benefit.
CN104591638B discloses a kind of method that utilization house refuse generating waste residue produces multifunctional concrete.Will be raw
Garbage power waste residue living is mixed to get mixed sand with natural sand；Particle diameter is mixed more than the waste residue that 5mm house refuses generate electricity with rubble
Close, obtain mixing rubble；Natural zeolite powder is mixed with brucite fiber, the early strong cracking resistance autogenous curing agent of thickening is obtained；By poly- carboxylic
Sour high efficiency water reducing agent is mixed with mineral superfine powder, obtains liquid diminishing plasticity-maintaining agent；By cement, flyash, silica flour, miberal powder, increasing
Thick morning strong cracking resistance autogenous curing agent, mixed sand, mixing rubble mass ratio are weighed, and are successively poured into mixer and are stirred, and obtain many work(
Can concrete.Concrete prepared by the method, protects with self-compaction, Self-curing, low hydration heat, lower shrinkage, high-durability with high
The performance of plasticity, is available for architectural engineering, civil engineering, traffic engineering and city construction engineering etc. to apply, and the method has very high
Economic benefit and social benefit.
CN102296742B discloses the luminous concrete brick that a kind of slag with building waste and house refuse is made, by
Top layer and basal layer are constituted, and are coated with least a portion surface on the top layer and are included the luminous of noctilucence or fluorescent material
Layer, is coated with diaphragm on the light-emitting layer, and the diaphragm includes the component of following percentage by weight, cataloid
9-12%, siloxanes 9-13%, polyethers 11-15%, organic film former 3-4%, balance of water, the basal layer is building waste
30-50 weight portions, house refuse slag 10-20 weight portions, cement is 8-15 weight portions, river sand 10-20 weight portions.The invention is carried
The luminous concrete brick for supplying, not only with luminous effect, and luminescent lifetime is long, and under solar exposure, noctilucence or fluorescence
Material is not easy to produce deterioration failure.Basal layer in the invention uses building waste and house refuse slag as aggregate, this
Sample, can greatly alleviate urban building waste and domestic rubbish disposal problem, it is also possible to save by construction material institute
The soil of consumption, alleviates the contradiction that ground is striven with peasant.
On the one hand, due to there is substantial amounts of domestic waste incineration residue and building waste etc. now, but in the prior art
Solid waste addition not higher than 70%, the usage amount of natural component is higher, and it is main materials with solid waste that exigence is a kind of
Product, economizes on resources, and improves solid waste utilization rate；On the other hand, when solid waste content is higher, the concrete various aspects of performance of preparation
Can decline.
The content of the invention
To solve to cause the compression strength reduction for regenerating fill concrete when solid waste content is high and solid waste utilization rate is low asks
Topic, the present invention provides regeneration fill concrete and its application prepared by a kind of consumer waste incineration residue.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
On the one hand, the present invention provides regeneration fill concrete prepared by a kind of consumer waste incineration residue, by following weight
The component composition of part：
The fine aggregate is desulfurated plaster and/or flyash.
Preferably, the regeneration fill concrete that prepared by above-mentioned consumer waste incineration residue, by the component group of following weight portion
Into：
Further, the domestic waste incineration residue is obtained after screening, and particle diameter is 2.5~5mm, because waste incineration is residual
Slag has pozzolanic activity, can replace part of cement or agstone.
Further, the building waste is obtained after screening, particle diameter be 5~25mm, serve as regeneration fill concrete in
Coarse aggregate, play a part of between floors skeleton and support.
Further, the particle diameter of the agstone is that, less than 30 μm, the fineness of agstone can significantly affect it
The activity of body, only in the case where fineness is certain, agstone will play activity, even if in the case of large dosage, remaining to
So that concrete strength has been lifted, concrete workability is significantly improved.This is because agstone particle is sufficiently fine, in cement
Can be entered into during aquation in the space of hydrolysis product of cement, play micro-aggregate effect, so that intensity has been lifted, played
While micro-aggregate is acted on, agstone can promote C in hydrated cementitious due to its potential activity3S aquations, to concrete
Strength enhancing equally play positive role.And due to the hydrophily of agstone, in cement granules aquation, cement can will be made
The cement group being condensed into during aquation breaks, and water is discharged, so as to improve the mobility of concrete mix.
The particle diameter of the cement is 10~60 μm, preferable to obtain durability by choosing the cement of specified particle diameter
Concrete.
The particle diameter of the desulfurated plaster is less than 2.5mm；The particle diameter of the flyash is less than 2.5mm.
Preferably, the building waste is waste and old concrete.
Preferably, the concrete admixture is one or more in water reducer, early strength agent, water-loss reducer, can be certain
The consumption of cement is reduced in degree.
Preferably, the water reducer is naphthalene sulfonate water reducer, sulfonated melamine compound resin, aromatic amino sulphonic acid
One or more in salt polymer, aliphatic hydroxyl sulphonate polymer, consumption is few, and water-reducing rate is high.In addition, art technology
Personnel it is conceivable that high efficiency water reducing agent can apply in the present invention.
Preferably, the water-loss reducer is the one kind or many in polyacrylamide, Sodium Polyacrylate, starch grafted acrylate
Kind, while the water-loss reducer that those skilled in the art commonly use can apply to the present invention.
On the other hand, the present invention provides a kind of preparation of regeneration fill concrete prepared by above-mentioned consumer waste incineration residue
Method, comprises the following steps：
Step 1：Building waste and domestic waste incineration residue are added in mixer, are stirred；
Step 2：To fine aggregate is added in step 1 mixer, stir；
Step 3：To cement is added in step 2 mixer, stir；
Step 4：To agstone and concrete admixture is added in step 3 mixer, stir, you can regenerated
Fill concrete.
Further, the regeneration fill concrete and water mixing and stirring are that can be used, the regeneration backfill coagulation
Soil is 1 with the ratio of water:0.3~0.5.
Another further aspect, the present invention also provides a kind of answering for regeneration fill concrete prepared by above-mentioned consumer waste incineration residue
With regeneration fill concrete prepared by the present invention can be used for ground backfill field in architectural process.
The present invention compared with prior art, has the advantages that：
Desulfurization of the present invention with 2.5~5mm consumer waste incinerations residue, 5~25mm building wastes, particle diameter less than 2.5mm
Gypsum and/or flyash are that main component prepares regeneration fill concrete, the lime with 10~60 μm of cement, particle diameter less than 10 μm
Stone flour and concrete admixture are up to 80~90%, compression strength and can reach for auxiliary material successfully prepares solid waste content
The regeneration fill concrete of 49.9MPa.The material of different-grain diameter forms optimum gradation, the specified particle diameter of each component in preparation process
Selection cause mixed process in be filled into the space of upper level particle diameter compared with the material of small particle.Because consumer waste incineration is residual
Slag, flyash, agstone and cement are all active, add water stirring when, four act on simultaneously, strengthen between particle diameters at different levels
Cementability, reduces the space in concrete, greatly improves concrete crushing strength and durability.To sum up, the present invention successfully makes
For the regeneration fill concrete of solid waste content high, have the advantages that solid waste utilization rate is high, compression strength is high, good endurance, together
When also reduce the floor space of solid waste, economize the land resource.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
Material used, reagent etc., commercially obtain in following embodiments.
The present invention provides regeneration fill concrete prepared by a kind of consumer waste incineration residue, each material content refer to
Lower embodiment.
Embodiment 1：
Embodiment 2：
Embodiment 3：
Embodiment 4：
Embodiment 5：
On the other hand, the present invention provides a kind of preparation of regeneration fill concrete prepared by above-mentioned consumer waste incineration residue
Method, comprises the following steps：
Step 1：Building waste and domestic waste incineration residue are added in mixer, are stirred；
Step 2：To fine aggregate is added in step 1 mixer, stir；
Step 3：To cement is added in step 2 mixer, stir；
Step 4：To agstone and concrete admixture is added in step 3 mixer, stir, you can regenerated
Fill concrete.
Further, the regeneration fill concrete and water mixing and stirring are that can be used, the regeneration backfill coagulation
Soil is 1 with the ratio of water:0.3~0.5.
Another further aspect, the present invention also provides a kind of answering for regeneration fill concrete prepared by above-mentioned consumer waste incineration residue
With regeneration fill concrete prepared by the present invention can be used for ground backfill field in architectural process.
In order to further illustrate the feature and using effect of the regeneration fill concrete of consumer waste incineration residue preparation, only
Illustrated with embodiment 5 and corresponding comparative example.
Comparative example 1：
A kind of concrete, is made up of the component of following weight portion：
Comparative example 2：
A kind of concrete, is made up of the component of following weight portion：
Comparative example 3：
A kind of concrete, is made up of the component of following weight portion：
Comparative example 4：
A kind of concrete, is made up of the component of following weight portion：
The slump of the concrete of above-described embodiment and comparative example is determined, test result is shown in Table 1；By above-described embodiment and right
The concrete of ratio is according to GB/T50081-2002《Standard for test methods of mechanical properties of ordinary concrete》, in standard curing bar
Under part, 24h is conserved, then conserved 28 days under natural conditions, survey its compression and tensile strength, the results are shown in Table 1.
Table 1
As seen from the above table, the regeneration fill concrete that prepared by the present invention and the concrete in comparative example 1~3 are to use
The particle diameter of raw material is different, causes the difference of the slump of the regeneration fill concrete for preparing and compression strength larger, it was demonstrated that only
The various raw materials level of specified particle diameter preferably regenerates fill concrete with just obtaining mechanical property.Compared with comparative example 4, prepare
Regeneration fill concrete compared with from ready-mixed concrete, both slump gaps are smaller, it was demonstrated that the regeneration of preparation backfill coagulation
The mobility of soil is preferable；Prepared by the compressive strength rate comparative example 4 of regeneration fill concrete prepared by the embodiment of the present invention mixes certainly
The compression strength of concrete is slightly larger, meets the requirement of fill concrete in related specifications.
Found through experiment, the present invention successfully prepares solid waste content high, is with consumer waste incineration residue and building waste
Main aggregate, adds cement, agstone, desulfurated plaster and/or flyash and relevant concrete admixture, the thing of different-grain diameter
Matter forms optimum gradation, and the selection of the specified particle diameter of each component causes to be filled out compared with the material of small particle in mixed process in preparation process
It is charged in the space of upper level particle diameter.Because consumer waste incineration residue, flyash, agstone and cement are all active,
Add water stirring when, four act on simultaneously, strengthen the cementability between particle diameters at different levels, reduce the space in concrete, carry significantly
High concrete compression strength and durability.
The experiment lifted only is preferably example of the invention, the protection domain being not intended to limit the present invention.Should refer to
Go out, for those skilled in the art, on the premise of principle of the present invention is not departed from, can also make
Some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the regeneration fill concrete that prepared by a kind of consumer waste incineration residue, it is characterised in that by the component of following weight portion
Composition：
The fine aggregate is desulfurated plaster and/or flyash.
2. the regeneration fill concrete that prepared by consumer waste incineration residue according to claim 1, it is characterised in that by with
The component composition of lower weight portion：
3. the regeneration fill concrete that prepared by consumer waste incineration residue according to claim 1 and 2, it is characterised in that
The domestic waste incineration residue is obtained after screening, and particle diameter is 2.5~5mm；
The building waste is obtained after screening, and particle diameter is 5~25mm.
4. the regeneration fill concrete that prepared by consumer waste incineration residue according to claim 1 and 2, it is characterised in that
The particle diameter of the agstone is less than 30 μm；
The particle diameter of the cement is 10~60 μm；
The particle diameter of the desulfurated plaster is less than 2.5mm；
The particle diameter of the flyash is less than 2.5mm.
5. the regeneration fill concrete that prepared by consumer waste incineration residue according to claim 1 and 2, it is characterised in that
The building waste is waste and old concrete.
6. the regeneration fill concrete that prepared by consumer waste incineration residue according to claim 1 and 2, it is characterised in that
The concrete admixture is one or more in water reducer, early strength agent, water-loss reducer.
7. the regeneration fill concrete that prepared by consumer waste incineration residue according to claim 6, it is characterised in that described
Water reducer is naphthalene sulfonate water reducer, sulfonated melamine compound resin, aromatic amino sulphonic acid salt polymer, aliphatic hydroxyl
One or more in sulfonate polymer；
The water-loss reducer is one or more in polyacrylamide, Sodium Polyacrylate, starch grafted acrylate.
8. the preparation method for regenerating fill concrete that prepared by any described consumer waste incineration residue of claim 1 to 7, its
It is characterised by, comprises the following steps：
Step 1：Building waste and domestic waste incineration residue are added in mixer, are stirred；
Step 2：To fine aggregate is added in step 1 mixer, stir；
Step 3：To cement is added in step 2 mixer, stir；
Step 4：To agstone and concrete admixture is added in step 3 mixer, stir, you can obtain regeneration backfill
Concrete.
9. the regeneration fill concrete application method that prepared by any described consumer waste incineration residue of claim 1 to 7, it is special
Levy and be, it is described to regenerate fill concrete and water mixing and stirring；
The ratio of the regeneration fill concrete and water is 1:0.3~0.5.
10. the application of regeneration fill concrete prepared by any described consumer waste incineration residue of claim 1 to 7, it is special
Levy and be, for ground backfill field in architectural process.
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| CN108298901A (en) * | 2018-01-29 | 2018-07-20 | 武汉市政工程设计研究院有限责任公司 | A kind of light water-permeable material and preparation method thereof for Bridge back wall backfill |
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| CN113845340A (en) * | 2020-06-28 | 2021-12-28 | 北京都市绿源环保科技有限公司 | Low-strength fluidity backfill material prepared by utilizing construction waste and preparation method thereof |
| CN114656212A (en) * | 2022-03-24 | 2022-06-24 | 武汉理工大学 | Preparation method of high-profit waste micro-expansion flow state backfill material |
| CN115231890A (en) * | 2022-06-30 | 2022-10-25 | 宁波市电力设计院有限公司 | Premixed fluid solidified soil and preparation method and application thereof |
| CN115385620A (en) * | 2022-07-08 | 2022-11-25 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Method for using waste incineration bottom slag for grouting material |
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| CN107602006A (en) * | 2017-08-28 | 2018-01-19 | 四川双铁科技有限公司 | A kind of grouting material for sound barrier backboard |
| CN108298901A (en) * | 2018-01-29 | 2018-07-20 | 武汉市政工程设计研究院有限责任公司 | A kind of light water-permeable material and preparation method thereof for Bridge back wall backfill |
| CN108824454A (en) * | 2018-08-31 | 2018-11-16 | 福州美佳环保资源开发有限公司 | A kind of existing road back fill of pipe trough structure and its construction method |
| CN109455964A (en) * | 2018-09-29 | 2019-03-12 | 盐城工学院 | Make the application of pavement particles layer aggregate substitute with burning city domestic garbage bottom ash |
| CN108975800A (en) * | 2018-09-30 | 2018-12-11 | 淮阴工学院 | A kind of premixing mortar and preparation method thereof blending domestic garbage burning electricity generation bottom ash |
| CN109336481A (en) * | 2018-11-01 | 2019-02-15 | 淮阴工学院 | Using domestic refuse incineration ash as concrete of admixture and preparation method thereof |
| CN110153137B (en) * | 2019-04-10 | 2022-09-20 | 伟明环保科技有限公司 | Waste incineration fly ash filler and landfill method |
| CN110153137A (en) * | 2019-04-10 | 2019-08-23 | 伟明环保科技有限公司 | A kind of incineration of refuse flyash filler and burying method |
| CN113845373A (en) * | 2020-06-28 | 2021-12-28 | 北京都市绿源环保科技有限公司 | Light low-strength fluidity backfill material prepared by utilizing construction waste and preparation method thereof |
| CN113845340A (en) * | 2020-06-28 | 2021-12-28 | 北京都市绿源环保科技有限公司 | Low-strength fluidity backfill material prepared by utilizing construction waste and preparation method thereof |
| CN112500075A (en) * | 2020-12-08 | 2021-03-16 | 上海市建筑科学研究院有限公司 | Dry and hard concrete for bottom slag of household garbage incinerator and preparation method thereof |
| CN113647308A (en) * | 2021-08-17 | 2021-11-16 | 中煤浙江生态环境发展有限公司 | Re-greening repair backfill material |
| CN113647308B (en) * | 2021-08-17 | 2023-03-14 | 中煤浙江生态环境发展有限公司 | Re-greening repair backfill material |
| CN114656212A (en) * | 2022-03-24 | 2022-06-24 | 武汉理工大学 | Preparation method of high-profit waste micro-expansion flow state backfill material |
| CN114656212B (en) * | 2022-03-24 | 2023-09-26 | 武汉理工大学 | Preparation method of waste-utilizing micro-expansion fluid backfill material |
| CN115231890A (en) * | 2022-06-30 | 2022-10-25 | 宁波市电力设计院有限公司 | Premixed fluid solidified soil and preparation method and application thereof |
| CN115385620A (en) * | 2022-07-08 | 2022-11-25 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Method for using waste incineration bottom slag for grouting material |
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