CN103130476A - Ocean dredging sludge composite solidified material - Google Patents
Ocean dredging sludge composite solidified material Download PDFInfo
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- CN103130476A CN103130476A CN2013100842151A CN201310084215A CN103130476A CN 103130476 A CN103130476 A CN 103130476A CN 2013100842151 A CN2013100842151 A CN 2013100842151A CN 201310084215 A CN201310084215 A CN 201310084215A CN 103130476 A CN103130476 A CN 103130476A
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Abstract
The invention discloses an ocean dredging sludge composite solidified material which comprises the following components in percentage by mass: 45-63% of tailing waste, 8-15% of ore powder, 13-25% of lime, 6-16% of cement, 4-8% of steel slag powder, 5-10% of fly ash and 0.5-3% of salt excitant. According to the invention, pollution waste materials such as tailing wastes, dredging sludge and the like are changed into valuable substances through chemical solidification, so that an earthwork material for harbor engineering construction can be obtained while environmental pollution is solved, thereby improving the construction efficiency and lowering the construction cost.
Description
Technical field:
The invention belongs to the port engineering construction field, particularly a kind of ocean dredging mud composite curing material.
Background technology:
The fine tailings waste belongs to the stores after ore dressing, is the main component of industrial solid castoff, belongs to the extremely low-grade resource.As a mining powers, all can there be a large amount of fine tailings generation of waste materials every year in China.According to incompletely statistics, the mineral products that China finds at present have kind more than 150, and the mine of exploitation has more than 8000, and the fine tailings waste that accumulative total produces has 59.7 hundred million tons.A large amount of fine tailings wastes is land occupation and the waste that causes resource not only, has caused serious pollution and harm also for the mankind's living environment and the eubiosis, has received increasing concern.Be milled to fine particle because the fine tailings waste has squeezed mostly, be present in tailing dam or enter the low-lying physical features such as river course, mountain valley nearby, usually seepage flow overflows.Because granularity is thinner, can be often airborne dust with the wind, severe contamination water and soil air even may bring out the serious geologic hazard such as sandstorm, rubble flow, and the mankind's lives and properties are on every side caused serious threat.Efforts To Develop fine tailings waste ' s reclamation has very important economic implications and social effect.
Along with China's rapid development of economy, following Coastal development will be again the construction emphasis of China's new round.In port construction, in order to keep the unimpeded of harbour, river course, all can carry out desilting work to back-silting in harbour and Hainan Airlines road, river every year, and shed at the deep-sea of a large amount of ocean dredging mud or the land stacking can damage ocean environment or land wastage again.And the characteristics that the mobility that ocean dredging mud has is strong, intensity is extremely low etc. can not be used as foundation material on engineering foundation is built.
At present, the port engineering construction also has in the beach capital construction, and conventional method is to adopt a large amount of building stones to carry out throwing, and the thickness of some places throwing reaches 5-6m.Building stones can cause expendable infringement to massif and vegetation thereof in the process of exploitation, very large to environmental influence.Along with the increasing of country for the environment protection dynamics, the supply day of building stones is becoming tight, and research and develop a kind of novel construction foundation material extremely urgent, and under this background, the application prospect of the material of this alternative building stones is very wide.
As the port construction foundation material, abroad, as very extensive in the application of the country such as Japanese, Dutch after sludge solidification; And at home, chemosetting also only rests in the environmental protection projects such as municipal sludge improvement.In the process that Coastal development is built, the capital construction earthwork is the matter of utmost importance that construction faces, chemosetting is processed not only can provide for coastal large-area exploitation a kind of novel foundation material of alternative jackstone, and can with fine tailings waste and ocean dredging mud this this for environment or in building disadvantageous waste reuse, convert the material of environmental protection to, this technology will have this wide application prospect.
Summary of the invention:
The invention discloses a kind of ocean dredging mud composite curing material for above problem, its main component is the tailing waste thing, by chemosetting, tailing waste thing and ocean dredging mud are turned waste into wealth, being converted into when solving environmental pollution can be cubic metre of earth material of port engineering construction application.
The invention discloses a kind of ocean dredging mud composite curing material, described ocean dredging solidify material is comprised of following component by quality 100%:
Tailing waste thing: 45-63%
Breeze 8-15%
Lime 13-25%
Cement 6-16%
Steel-making slag powder: 4-8%
Flyash: 5-10%
Salt exciting agent 0.5-3%
Described tailing waste thing is one or several mixtures in phosphorite tailings sand, prepared from tailing sand of iron ore, chrome ore CHARACTERISTICS OF TAILINGS SAND.
Described cement is the normal silicate grog.
Described salt exciting agent is one or several mixtures in sodium sulfate, calcium chloride, sodium carbonate.
Described steel-making slag powder main component should be Fe
2O
3
Ocean dredging mud composite curing material disclosed by the invention, wherein the tailing waste thing when solidifying, can play good grating effect with ocean dredging mud.
Ocean dredging mud composite curing material disclosed by the invention, wherein the tailing waste thing is take the phosphorus CHARACTERISTICS OF TAILINGS SAND as main, contain the main components such as calcium oxide, magnesium oxide, aluminium sesquioxide, Vanadium Pentoxide in FLAKES in the phosphorus CHARACTERISTICS OF TAILINGS SAND and can organically combine with materials such as breeze, cement, lime well under suitable ratio, give full play to the coordinative role of a component.
Ocean dredging mud composite curing material disclosed by the invention, wherein contain a small amount of manganese oxide in tailing waste thing composition, manganese oxide exists with crystal habit in solidified earth, can form together crystal structural framework with pozzolanic materials, strengthens the intensity of the soil body.
Ocean dredging mud composite curing material disclosed by the invention, by add tailing waste thing, breeze, lime, cement, salt exciting agent isoreactivity material in ocean dredging mud, make ocean dredging mud be converted into effective engineering construction earthwork material, and effectively reduce the various harm that the accumulation of fine tailings waste and dredging silt causes.Ocean mud after this curing can be used for the engineering earthwork and fills; the cofferdam dykes and dams; the roadbed embankment; the engineering construction fields such as hardened ground and planting technique base soil; substituted and built the traditional technology that the arable land earthwork is replaced, the jackstone that cuts into a mountain fills that adopts on sludge soft; protect non-renewable massif, protected the good farmland, arable land, protected ecotope.Large-scale utilization of dredging ocean mud, can reduce the riverbed simultaneously, improves Navigation capacity, purifying sea water promotes marine organisms cycle development existence, and has solved the outlet of stacking after the dredging silt disembarkation of ocean, simultaneously a large amount of discarded fine tailings castoff regeneratives is utilized energy-conserving and environment-protective.
Embodiment
Below in conjunction with embodiment, further illustrate the present invention, should understand following embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
The invention discloses a kind of ocean dredging mud composite curing material, described ocean dredging solidify material is comprised of following component by quality 100%:
Tailing waste thing: 45-63%
Breeze 8-15%
Lime 13-25%
Cement 6-16%
Steel-making slag powder: 4-8%
Flyash: 5-10%
Salt exciting agent 0.5-3%
Described tailing waste thing is one or several in phosphorite tailings sand, prepared from tailing sand of iron ore, chrome ore CHARACTERISTICS OF TAILINGS SAND.
Described cement is the normal silicate grog.
Described salt exciting agent is one or several in sodium sulfate, calcium chloride, sodium carbonate.
Described steel-making slag powder main component should be Fe
2O
3
Wherein the tailing waste thing refers to contain certain calcium oxide, magnesium oxide, manganese oxide, aluminium sesquioxide, Vanadium Pentoxide in FLAKES isoreactivity component, calcium hydroxide, silicon dioxde reaction can be arranged, generate the hydrated products such as drated calcium aluminate, hydrated calcium silicate, starting material had both been saved, solve again the tailing waste thing and piled up the environmental problem that causes, the treatment of wastes with processes of wastes against one another has great environment protection significance.
The using method of ocean dredging mud composite curing material of the present invention is as follows:
In practical engineering application, according to the difference of mud character, water ratio and the requirement of engineering objective, 1m
3In mud, addition is generally 80-300kg/m
3Then the solidify material that does not wait carries out full and uniform stirring, and the mixture after completing is transported to that the job location paves, rolls, maintenance (3-4 week) gets final product after suitably shelving, precipitation are processed.
In ocean dredging mud composite curing material disclosed by the invention, the effect of phosphorus mine tailing in the tailing waste thing, be mainly ocean dredging sludge solidification Stability Analysis of Structures material, played " stablizing skeleton " and " preventing distortion " effect.
The effect of steel-making slag powder in ocean dredging mud composite curing material disclosed by the invention: be through aquation, electrolysis production calcium ion, magnesium ion etc., increase the PH of compound, for solidified earth hydrolysis hydration reaction provides good reaction environment.
In ocean dredging mud composite curing material disclosed by the invention, the effect of unslaked lime is mainly: the one, have strong absorptive, and can significantly reduce the water ratio at mud products solidifying initial stage; The 2nd, calcium oxide absorbs the alkaline matter in the mud that the free water reaction generates, and for the curing reaction of mud provides suitable alkali reaction environment, is conducive to the reinforcement of curing reaction.
The effect of ocean dredging mud composite curing material were thing active material disclosed by the invention is mainly with jointly setting up silicate crystal rack space with above material, for solidified earth provides intensity.
In ocean dredging sludge solidification material disclosed by the invention, the Main Function of salt exciting agent is to reduce in mud organic the undesirable element that brings to sludge solidification, in being become silted up in the sea, higher saltiness and pH value plays neutralizing effect, and the plasticity of maintenance solidified earth, make it not easy to crack.
Specific embodiment 1
A kind of ocean dredging mud composite curing its component of material (mass percent) is: tailing waste thing 50%, breeze 15%, lime 16%, cement 7%, steel-making slag powder 4%, flyash 5%, salt exciting agent 3%.Wherein the tailing waste thing is the phosphorus CHARACTERISTICS OF TAILINGS SAND; Wherein flyash is the C level, and CaO content is not less than 10%; The digestion condition of calcium oxide is not less than 60 ℃, and digestion time is middling speed; Wherein the fineness of steel-making slag powder is 400m
2/ kg, Fe
2O
3Content is not less than 15%; Cement mark is not less than #325 must not use short-term strength cement simultaneously.
According to this proportioning configuration ocean dredging mud composite curing material, in every cubic metre of mud, the mud water ratio is 100%, and then fusion 120kg solidify material stirs.
After sludge solidification, the length of time 7d unconfined compression strength reach 182kpa, the 14d unconfined compression strength reaches 218kpa, the 28d unconfined compression strength is 291kpa, mechanical property after sludge solidification is obviously improved, and stable along with increasing trend the length of time, simultaneously, the sliding angle after sludge solidification is that 24 °, cohesion are 130kpa.
Specific embodiment 2
A kind of ocean dredging mud composite curing its component of material (mass percent) is: tailing waste thing 45%, breeze 15%, lime 18%, cement 8%, flyash 5%, steel-making slag powder 8%, salt exciting agent 1%.Wherein the tailing waste thing is prepared from tailing sand of iron ore; Flyash is the C level, and CaO content is not less than 10%; The digestion condition of calcium oxide is not less than 60 ℃, and digestion time is middling speed; Wherein the fineness of steel-making slag powder is 400m
2/ kg, Fe
2O
3Content is not less than 15%; Cement mark is not less than #325 must not use short-term strength cement simultaneously.According to this proportioning configuration ocean dredging mud composite curing material, in every cubic metre of mud, the mud water ratio is 120%, fusion 120kg solidify material (stirring).
After sludge solidification, the length of time 7d unconfined compression strength reach 121kpa, the 14d unconfined compression strength reaches 145kpa, the 28d unconfined compression strength is 203kpa, mechanical property after sludge solidification is obviously improved, and stable along with increasing trend the length of time, simultaneously, the sliding angle after sludge solidification is that 22 °, cohesion are 118kpa.
Specific embodiment 3
A kind of ocean dredging mud composite curing its component of material (mass percent) is: tailing waste thing 45%, breeze 15%, lime 20%, cement 8%, flyash 5%, steel-making slag powder 6%, salt exciting agent 1%.Wherein the tailing waste thing is the chrome ore CHARACTERISTICS OF TAILINGS SAND; Flyash is the C level, and CaO content is not less than 10%; The digestion condition of calcium oxide is not less than 60 ℃, and digestion time is middling speed; Wherein the fineness of steel-making slag powder is 400m
2/ kg, Fe
2O
3Content is not less than 15%; Cement mark is not less than #325 must not use short-term strength cement simultaneously.
According to this proportioning configuration ocean dredging mud composite curing material, in every cubic metre of mud, the mud water ratio is 120%, fusion 120kg solidify material (stirring).
After sludge solidification, the length of time 7d unconfined compression strength reach 140kpa, the 14d unconfined compression strength reaches 185kpa, the 28d unconfined compression strength is 243kpa, mechanical property after sludge solidification is obviously improved, and stable along with increasing trend the length of time, simultaneously, the sliding angle after sludge solidification is that 23 °, cohesion are 128kpa.
Specific embodiment 4
A kind of ocean dredging
Its component of mud composite curing material (mass percent) is: tailing waste thing 45%, breeze 11%, lime 25%, cement 13%, flyash 8%, steel-making slag powder 7%, salt exciting agent 1%.Wherein the tailing waste thing consists of iron tailings sand 25%, chromium CHARACTERISTICS OF TAILINGS SAND 15%, phosphorus CHARACTERISTICS OF TAILINGS SAND 60%; Flyash is the C level, and CaO content is not less than 10%; The digestion condition of calcium oxide is not less than 60 ℃, and digestion time is middling speed; Wherein the fineness of steel-making slag powder is 400m
2/ kg, Fe
2O
3Content is not less than 15%; Cement mark is not less than #325 must not use short-term strength cement simultaneously.
According to this proportioning configuration ocean dredging mud composite curing material, in every cubic metre of mud (the mud water ratio is 100%), fusion 120kg solidify material stirs.
After sludge solidification, the length of time 7d unconfined compression strength reach 202kpa, the 14d unconfined compression strength reaches 257kpa, the 28d unconfined compression strength is 343kpa, mechanical property after sludge solidification is obviously improved, and stable along with increasing trend the length of time, simultaneously, the sliding angle after sludge solidification is that 28 °, cohesion are 138kpa.
Specific embodiment 5
A kind of ocean dredging mud composite curing its component of material (mass percent) is: tailing waste thing 50%, breeze 10%, lime 24%, cement 6%, flyash 5.5%, steel-making slag powder 4%, salt exciting agent 0.5%.Wherein the tailing waste thing consists of iron tailings sand 17%, chromium CHARACTERISTICS OF TAILINGS SAND 18%, phosphorus CHARACTERISTICS OF TAILINGS SAND 65%; Flyash is the C level, and CaO content is not less than 10%; The digestion condition of calcium oxide is not less than 60 ℃, and digestion time is middling speed; Wherein the fineness of steel-making slag powder is 400m
2/ kg, Fe
2O
3Content is not less than 15%; Cement mark is not less than #325 must not use short-term strength cement simultaneously.
According to this proportioning configuration ocean dredging mud composite curing material, in every cubic metre of mud (the mud water ratio is 100%), fusion 180kg solidify material stirs.
After sludge solidification, the length of time 7d unconfined compression strength reach 2168kpa, the 14d unconfined compression strength reaches 2818kpa, the 28d unconfined compression strength is 3902kpa, mechanical property after sludge solidification is obviously improved, and stable along with increasing trend the length of time, simultaneously, the sliding angle after sludge solidification is that 34 °, cohesion are 180kpa.
Specific embodiment 6
A kind of ocean dredging and its component of mudflat sludge composite curing material (mass percent) are: tailing waste thing 45%, breeze 8
%, lime 13%, cement 16%, flyash 10%, steel-making slag powder 6%, salt exciting agent 2%.Wherein the tailing waste thing consists of iron tailings sand 14%, chromium CHARACTERISTICS OF TAILINGS SAND 16%, phosphorus CHARACTERISTICS OF TAILINGS SAND 70%; Flyash is the C level, and CaO content is not less than 10%; The digestion condition of calcium oxide is not less than 60 ℃, and digestion time is middling speed; Wherein the fineness of steel-making slag powder is 400m
2/ kg, Fe
2O
3Content is not less than 15%; Cement mark is not less than #325 must not use short-term strength cement simultaneously.
According to this proportioning configuration ocean dredging mud composite curing material, in every cubic metre of mud (the mud water ratio is 100%), fusion 300kg solidify material stirs.
After sludge solidification, the length of time 7d unconfined compression strength reach 4170kpa, the 14d unconfined compression strength reaches 4837kpa, the 28d unconfined compression strength is 5838kpa, mechanical property after sludge solidification is obviously improved, and stable along with increasing trend the length of time, simultaneously, the sliding angle after sludge solidification is that 36 °, cohesion are 225kpa.
Attached: intensity and geotechnological index in each specific embodiment
Salt exciting agent in solidify material disclosed by the invention can make fine tailings waste (particularly wherein phosphorus CHARACTERISTICS OF TAILINGS SAND) and the activeconstituents of breeze be excited, efficiently above two kinds of compositions are taken full advantage of, thereby save in large quantities industrial building materials---cement, and processed the objectionable impurities of bulk deposition-fine tailings waste, also reduced the cost of solidifying agent.Certainly self fineness of breeze, steel-making slag powder and flyash and calcium content parameter also must be subject to strict control.Exciting agent adopts the sodium sulfate exciting agent, in the basic solution that contains calcium hydroxide of this solidify material hydration reaction, adds a certain proportion of calcium sulfate.The sodium sulfate exciting agent impels slag micropowder and fly ash grain to distribute, and disintegrates, and generates hydrated calcium aluminate sulfate, Calucium Silicate powder, the gum material of formation adhesive aggregation soil particle.
Ocean dredging mud composite curing material disclosed by the invention utilizes exciting agent to excite activeconstituents SiO in the mineral active material
2, with the cement hydration reaction that is hydrolyzed together, be built into skeleton, and produce Ca (OH)
2, both reacting generates the hydratable calcium crystal, produces the cementation between soil particle; Utilize the alkali-activator reaction that is hydrolyzed, further strengthen and sludge granules between the slurry that condenses, and produce certain heat, bubble, promote the expanded motion of slurry, absorb and the evaporation section free water, reduce the mud water ratio; Utilize pozzolanic materials and the acting in conjunction of mineral active material, reinforce the skeleton that generates and form good drainage channel; Utilize the salt exciting agent that solidified earth premature cure process is slowed down, improve intermediary and later stages intensity, make solidified earth keep due plasticity when filling out building, the surface is not easy to crack, and saltiness higher in extra large mud and pH value are played neutralizing effect.
Ocean disclosed by the invention sludge solidification material mixes mud at the construction field (site) fully to be mixed, can thoroughly change the mud water ratio high (when for example the mud water ratio is w=100%, wherein water accounts for 50%, dry ground is 50% after mixing solidify material, and the part free water in mud will produce with it hydration reaction and consume 10～12% left and right.Because reaction in each component and mud causes that in mud, the fine particle granule has reduced the space, the compression of unnecessary free water and capillary water is discharged simultaneously.The length of time is the about W=40% of water ratio during 28d), void ratio is large, almost without bearing capacity, meets after water very easily the basic characteristics such as argillization.In simultaneously can fixed sealing mud, the pollutents such as some objectionable impuritiess and heavy metal particle, make it to be difficult for leaching and stripping, can not cause secondary pollution to surrounding enviroment and underground water, meets environmental requirement, is a kind of desirable green engineering material.
Simultaneously; stir by mix solidify material (by design requirement) in mud; utilize moisture in mud to be hydrolyzed gel that hydration reaction produces; condense and wrap up tiny soil particle in mud; make it granuleization; reduce specific grain surface long-pending, reduce soil body void ratio, reduce water ratio.And interconnect again between the coarse particles of granuleization and progressively sclerosis, strength increase.Simultaneously, because the above reaction positively charged ion that wetting ability is stronger is transformed into the relatively poor aluminum ion of hydrophilic ability, pass through again ion coordination, make a surface be tending towards electric neutrality, have obvious hydrophobic nature, grogs surface adsorption water is discharged along capillary channel, the passage after draining can be filled by the curing reaction adhesive aggregation thing of residual ionization again (this moment, extraneous moisture was difficult for entering), further reinforce the bonding between each, make the whole raising of soil strength.Studies show that, bonding reaction between the silt soil particle is due to more hole, water resistance breaks and is difficult to form strong bonding, and the mechanical property of the soil body is not got the pure certainly intensity of basic structural unit in soil particle, but depends on to a greater extent the cohesive force of the modular construction between them.The instrumentality that between soil particle, adhesive aggregation connects has been played in the intervention of solidify material, makes the modular construction of dispersion fade to the structure with bulk strength.
Ocean dredging disclosed by the invention and mudflat sludge solidify material have the ability that the fine tailings waste of industrial waste and a large amount of discarded extremely low-grades is converted into effective engineering materials; Use discarded fine tailings waste, not only solved the harm problem of fine tailings waste bulk deposition to environment, reduce the geological disaster risk that the fine tailings waste brings, also reduced the pollution of heavy metal composition to water body environment in the fine tailings waste; Add water-soluble silicate etc. and reduce cement consumption, can effectively control the cracking on curing sludge soil top layer, improving seepage capability, simultaneously in and higher saltiness in the sludge soft of ocean, reduce pH value; The invention solves the earthwork source of coastland construction project, will can reach the demand of engineering construction, the stacking that has solved simultaneously mud, secondary pollution problems after the sludge soft solidification treatment fully; Sufficiently and reasonably to utilize seashore harbour dredging silt and river silt to turn waste into wealth by ocean dredging disclosed by the invention and mudflat sludge solidify material.With utilizing solidified earth from sludge replace cutting into a mountain cubic meter of stone material and cubic metre of earth resource of ploughing; can protect a large amount of massif good farmlands; preserve the ecological environment; dredging ocean mud improves the seawater cleaning degree, protection marine organisms etc.; can produce a series of useful chain reactions; accomplished energy-saving and emission-reduction, had far-reaching social effect and historic significance, produced for engineering construction and established solid basis transition.
Ocean dredging mud composite curing material disclosed by the invention, by add tailing waste thing, cement, pozzolanic materials, mineral active material, salt exciting agent in ocean dredging mud, make ocean dredging and mudflat sludge be converted into effective engineering construction earthwork material.Ocean mud after this curing can be used for engineering and returns soil and fill; the cofferdam dykes and dams; the roadbed embankment; the multinomial engineering construction fields such as hardened ground and planting technique base soil; substituted and built the arable land earthwork of adopting, the jackstone that cuts into a mountain squeeze the traditional technology of becoming silted up and filling on sludge soft; protect non-renewable massif, protected the good farmland, arable land, protected ecotope.Simultaneously large-scale fine tailings waste and the utilization of dredging ocean mud, can consume the fine tailings waste of bulk deposition, reduce the riverbed, improve Navigation capacity, purifying sea water promotes marine organisms cycle development existence, and solved the outlet of stacking after the dredging silt disembarkation of ocean, with a large amount of waste solid resource regenerations, energy-saving and emission-reduction are turned waste into wealth.
Claims (5)
1. ocean dredging mud composite curing material is characterized in that:
Described solidify material is comprised of following component by quality 100%:
Tailing waste thing: 45-63%
Breeze 8-15%
Lime 13-25%
Cement 6-16%
Steel-making slag powder: 4-8%
Flyash: 5-10%
Salt exciting agent 0.5-3%.
2. ocean dredging mud composite curing material according to claim 1, it is characterized in that: described tailing waste thing is one or several mixtures in phosphorite tailings sand, prepared from tailing sand of iron ore, chrome ore CHARACTERISTICS OF TAILINGS SAND.
3. ocean dredging mud composite curing material according to claim 1, is characterized in that, described cement comes to be the normal silicate grog.
4. ocean dredging mud composite curing material according to claim 1, is characterized in that, described salt exciting agent is one or several mixtures in sodium sulfate, calcium chloride, sodium carbonate, calcium sulfate.
5. ocean dredging mud composite curing material according to claim 1, it is characterized in that: described steel-making slag powder main component should be Fe
2O
3
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| CN103396018A (en) * | 2013-08-02 | 2013-11-20 | 大连铭源全建材有限公司 | Concretionary material for even frozen soil and sludge |
| CN103553520A (en) * | 2013-11-04 | 2014-02-05 | 江苏坤泽科技股份有限公司 | Stabilized soil applicable to intertidal zone sludge stable layer |
| CN103833280A (en) * | 2014-02-19 | 2014-06-04 | 江苏坤泽科技股份有限公司 | Mud composite solidification material containing mine tailing sand and preparation method thereof |
| CN105503123A (en) * | 2015-12-10 | 2016-04-20 | 江苏省电力公司连云港供电公司 | Solid waste grouting material and preparation method thereof |
| CN105541216A (en) * | 2015-12-10 | 2016-05-04 | 江苏省电力公司连云港供电公司 | Solid waste grouting material |
| CN105906299A (en) * | 2016-04-07 | 2016-08-31 | 国网江苏省电力公司连云港供电公司 | Novel soft soil reinforcing material |
| CN106836186A (en) * | 2016-12-26 | 2017-06-13 | 福建港湾岩土工程集团有限公司 | A kind of construction technology of utilizing solidified earth from sludge |
| CN108298854A (en) * | 2018-03-12 | 2018-07-20 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sludge solidification/stabilisation curing agent and its preparation method and application |
| CN111439987A (en) * | 2020-05-18 | 2020-07-24 | 中交上海航道勘察设计研究院有限公司 | Mud flat sludge curing agent |
| CN112851283A (en) * | 2021-01-27 | 2021-05-28 | 中钢集团马鞍山矿山研究总院股份有限公司 | Cementing material capable of solidifying and stabilizing heavy metal ions in tailings |
| CN114370050A (en) * | 2022-02-07 | 2022-04-19 | 江苏省海洋资源开发研究院(连云港) | Phosphorus-doped tailing sand powder-jet pile reinforced by cotton straws and construction method thereof |
| CN115921515A (en) * | 2022-11-09 | 2023-04-07 | 武汉轻工大学 | Curing treatment method for heavy metal contaminated soil |
| CN116217200A (en) * | 2023-02-23 | 2023-06-06 | 云南磷化集团有限公司 | Mine high-water-content sludge cementing and curing material and preparation method thereof |
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