CN106904916B - One kind filling out extra large cofferdam mold bag curing soil and its preparation method and application method - Google Patents
One kind filling out extra large cofferdam mold bag curing soil and its preparation method and application method Download PDFInfo
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- CN106904916B CN106904916B CN201710166432.3A CN201710166432A CN106904916B CN 106904916 B CN106904916 B CN 106904916B CN 201710166432 A CN201710166432 A CN 201710166432A CN 106904916 B CN106904916 B CN 106904916B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/74—Underwater applications
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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
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/0023—Slurry
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
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Abstract
The invention discloses one kind to fill out extra large cofferdam mold bag curing soil and its preparation method and application method, belongs to marine worker field of material technology.Mold bag curing soil of the invention is prepared as a raw material with waste mud, composite flocculation agent, mud body agent and biomass fiber, wherein, on the basis of the dry weight of waste mud, the 40~60% of slurry gross weight when waste mud dry weight accounts for mold bag curing soil slip casting, composite flocculation agent accounts for the 6~9% of waste mud dry weight, mud body agent accounts for the 3~4.5% of waste mud dry weight, and biomass fiber accounts for the 0~2.5% of waste mud dry weight.The solidification effect for filling out extra large cofferdam mould bag packing material can be effectively improved using technical solution of the present invention, reclaiming land around sea can be directly used in after cured processing, and can satisfy the use needs of embankment construction project.
Description
Technical field
The invention belongs to marine worker field of material technology, more specifically to a kind of cofferdam, dykes and dams, shore protection dike core knot
Structure material and preparation method thereof.
Background technique
In recent years, the development of shore reclamation reclamation engineering is in the ascendant, and wherein embankment construction is in reclamation engineering
Steps necessary.Embankment is constructed frequently with jackstone, mould bag sand, mold bag curing soil or straw bag soil by the country at present, in these cofferdam
In material, the advantage of lower cost of straw bag soil, but if the dike core that straw bag soil is piled up is in the fluctuation of water table area outside breakwater,
Since the soil property liquid limit taken on the spot in straw bag is higher, in addition straw bag is small in size, the effect after piling up construction, by wave and stream
Afterwards, soil largely can be washed away loss in bag, finally only be left empty bag, thus only close to low tide when could construct, construct into
Degree is slow.
In cofferdam structure is designed and built, mud replacement by blasting has been widely used.But due to mud replacement by blasting
Construction is limited by road of marching into the arena, and not can be carried out Multi-station synchronous construction, and the control with government to resource of cutting into a mountain, explosion row
The a large amount of of silt method use the relatively nervous and rise in price for having resulted in local building stones；And the stone that cuts into a mountain is a large amount of using to resource and ring
Border causes very big negative effect.Geotextile has good draining, isolation and filtration, and soft soil foundation can be improved
Stability, be thus born mould bag sand embankment.The characteristics of mould bag sand embankment is that integrality performance of the structure is good, Soft Ground
Simple economy, construction efficiency height etc., application value with higher, but sand source is in state increasingly in short supply at present, thus
Limit the application of mould bag sand embankment.Meanwhile the dredging in the dredging work of rivers mouth, the comprehensive treatment in lake and harbor approach
A large amount of dredging silt can be generated to throw aside.
Under background above, mould bag fills silt fill technology and comes into being, on the one hand which solves the difficulty of sand source shortage
Topic, has on the other hand better solved the disposal problems of the dredging silt of harbor approach.But the silt that dredging or hydraulic reclamation generate
Mud has the characteristics that high-moisture percentage, high liquid limit, high-compressibility, low-intensity, bad hydraulic permeability, therefore, the silt for filling mould bag
The rapidly solidified hardening of mud meets engineering construction and needs to be a urgent problem to reach.Based on the problem, existing skill
It is usually that addition curing agent is to mud progress consolidation and sclerosis processing into mould bag filling mud in art, wherein more common solidification
Agent is cement.
If the Tianjin in China and Lianyun Harbour use solidification agent material of the PO32.5 cement as mud marine reclamation land, using mould
Bag curing sludge and achieves great social and economic benefit as cofferdam dike core material, but it is in project implementing process
In be badly in need of solving there is also many problems, such as the cement mixing content large percentage needed in curing sludge, and using cement to mud
Remaining moisture content is still higher after carrying out curing process, need to carry out it is secondary drain processing, it is complicated for operation, to affect this
The popularization and application of technology.
Cement is used to carry out deficiency existing for curing process to mud in order to overcome, also having research in the prior art is to use
Other not cement curing agent to mud carry out curing process.Such as the application that Chinese Patent Application No. is 201510769896.4
Case discloses a kind of method of industrial residue curing sludge, after mud, alkaline residue, miberal powder, curing agent are mixed this application
It carries out conveying pave, is closely knit, conserving, forms high-strength solidified earth.This application is to utilize the Industry Wastes such as slag, flyash, alkaline residue
Gurry replaces the environmental protection technology of cement progress sludge solidification, so as to accomplish waste utilization, environmental improvement and the ring of waste
Poly is used, but it is still difficult to meet the requirements to the solidification effect of mud, and it is extremely dilute higher than 80% especially to cannot achieve moisture content
The direct and low-cost solidification of engineering waste mud.
Therefore, develop a kind of solidification effect it is good, it is cured after can direct marine reclamation land, and can satisfy embankment simultaneously
What construction project needed solidifies development of the filler and preparation method thereof for shore reclamation reclamation engineering with regard to most important.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art using mold bag curing mud as existing for the dike core material of cofferdam
Deficiency, and provide one kind and fill out extra large cofferdam mold bag curing soil and its preparation method and application method.Using technology of the invention
Scheme can effectively improve the solidification effect for filling out extra large cofferdam mould bag packing material, can be directly used in after cured processing and enclose sea
Epeirogenetic, and can satisfy the use needs of embankment construction project.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
First, one kind of the invention fills out extra large cofferdam mold bag curing soil, the mold bag curing soil is with waste mud, composite flocculation
Agent, mud body agent and biomass fiber are prepared as a raw material, wherein on the basis of the dry weight of waste mud, waste mud dry weight
The 40~60% of slurry gross weight when accounting for mold bag curing soil perfusion slurry, composite flocculation agent accounts for the 6~9% of waste mud dry weight, mud knot
Structure agent accounts for the 3~4.5% of waste mud dry weight, and biomass fiber accounts for the 0~2.5% of waste mud dry weight.
Further, the waste mud is given up using what is formed in the ground slurry shield machine tunneling process for engineering of holing
The waste mud formed in mud or pile foundation engineering and diaphram wall engineering construction, in the waste mud containing 10% or more pulping
Use bentonite.
Further, the composite flocculation agent is made of inorganic flocculating agent and organic flocculant, wherein inorganic flocculation
Agent accounts for the 99.9%~99.99% of composite flocculation agent gross weight, and organic flocculant accounts for the 1/1000~1/ of composite flocculation agent gross weight
10000。
Further, the inorganic flocculating agent is pulverized slag powder, flyash, levigate clinker, copper ashes micro mist, steel
One of slag micro mist and levigate natural volcanic ash or more than one combination, the specific surface area of the inorganic flocculating agent powder >=
400m2/kg；The organic flocculant is anion-polyacrylamide PAM, in cationic PAM, anion and cation PAM
One or more kinds of combinations.
Further, the mud body agent is by aluminate, silicate, sulfate, phosphorus containing alkali or alkaline-earth metal
One of hydrochlorate, borate and carbonate or more than one be combined with arbitrary proportion, or by containing it is above-mentioned contain alkali or alkali
The aluminate of earth metal, silicate, sulfate, phosphate, one of the double salt substance of borate and carbonate components or one
Kind or more be combined with arbitrary proportion, specific surface area >=350m of mud body agent powder2/kg；The biomass fiber
Using the bagasse of stalk after crushing and sugar refinery, a diameter of 0.1~1mm, length is 5~30mm.
Second, a kind of preparation method for filling out extra large cofferdam mold bag curing soil of the invention, this method is by waste mud, compound
Flocculant, mud body agent and biomass fiber are mixed and stirred for after forming uniform slurry according to raw material proportioning, are filled into water
It is cured in the seawater in work mould bag to form mold bag curing soil with hardening.
Further, the mould bag is sewed by non-woven fabrics, and there are 3~6 filling cuffs, length on mould bag
Direction size is consistent with the axle center linear dimension of the cofferdam dike heart, height >=500mm of formation mould bag soil after filling, and mould bag thickness >=
0.5mm。
Further, the specific steps of which are as follows:
(1) the useless mud that will be formed in waste mud formed in slurry shield machine tunneling process or foundation engineering pile foundation construction
It starches and is temporarily stored in the Slurry Storage tank being transported on ground, be drawn into waste mud from Slurry Storage tank according to metering
In mud agitator tank, then according to quality proportioning, the inorganic flocculating agent measured is first added and stirs 2~10 minutes, then adds again
Enter organic flocculant to stir 1~2 minute；
(2) it after stopping stirring, settles waste mud sufficiently, filters out precipitating surface layer with supernatant water, then open stirring
The bottom valve of tank is pumped into bottom mud of the moisture content less than 60% directly in slurry transportation tank car, passes through slurry transportation tank car
It is transported to cofferdam construction scene, and is temporarily stored using possum belly or reservoir；
(3) waste mud temporarily stored in possum belly or reservoir is delivered in slurry mixer, and according to setting ratio
Example feeds mud body agent simultaneously and is stirred, and after mixing evenly, then is transported to the mould bag cuff launched arrange in advance
Place carries out situ perfusion, after mould bag is perfused, pricks dead grouting mold bag cuff, and mould bag top is flattened, the mud in mould bag
Solidify afterwards for 24 hours and finishes to get mold bag curing soil of the invention.
Further, after the waste mud in the step (2) is transported to cofferdam construction scene, it is pumped directly into letter
On the slurry transportation ship that easy harbour is stopped, waste mud and mud body agent transported to together by slurry transportation ship and mud is installed stirs
It is passed through the suction pump stirred on workboat with structural agent together, and passed through by the stirring workboat side for mixing machine and slurry transportation pump
It crosses and measures respectively, be pumped into slurry mixer, the mud for being stirred on the workboat on sea, and mud body agent being mixed
Slurry carries out underwater in-situ pouring construction to mould bag by slush pump.
Third, a kind of application method for filling out extra large cofferdam mold bag curing soil of the invention, its step are as follows: in cofferdam construction
First layer mould bag is arranged by setting position in scene, successively carries out curable mud using the mould bag of method of the invention to first layer
It is perfused, arranges second layer mould bag on it again after the waste mud solidification in first layer mould bag, and successively carry out curable mud
Slurry perfusion, successively carries out the construction of entire cofferdam dike cored structure.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result:
(1) one kind of the invention fills out extra large cofferdam mold bag curing soil, the mold bag curing soil with waste mud, composite flocculation agent,
Mud body agent and biomass fiber are prepared as a raw material, by replacing existing common dredging or hydraulic reclamation to generate with waste mud
Mud as cofferdam dike core material, and by selecting suitable composite flocculation agent and mud body agent to solidify waste mud
Processing, while being aided with the structural strengthening effect of biomass fiber, that is, pass through the mutually coordinated effect of each component, so as to significant
The solidification effect for improving mold bag curing filler, can put into construction usage after the cured processing of filler, and can satisfy and fill out immediately
The use demand of extra large coffering.
(2) one kind of the invention fills out extra large cofferdam mold bag curing soil, using ground hole engineering slurry shield machine tunnel
The waste mud or pile foundation engineering that are formed in the process and the moisture content formed in diaphram wall engineering construction are higher than 80% or more
Waste mud, i.e., main component of the high water waste mud as mould bag filler, so as to institute in extensive quickly consumption urban construction
The high water waste mud generated, prevents it from stacking bring security risk for a long time, and make its high efficient resourcing.
(3) one kind of the invention fills out extra large cofferdam mold bag curing soil, the property of present invention combination waste mud, by a large amount of real
It tests selection mud body agent and curing process is carried out to waste mud, while type and addition mass ratio progress to mud body agent
Optimization design is conducive to the speed for accelerating cofferdam construction, while energy so as to make high water waste mud carry out efficient rapid curing
Enough guarantee that the performances such as the intensity of mould bag filler meet requirement.
(4) one kind of the invention fills out extra large cofferdam mold bag curing soil, need to only add less mud body agent and (it is dry account for mud
5% or less weight) it is able to achieve the rapid curing of mud, so as to effectively prevent will affect useless mud when its additive amount is more
The mobility of slurry, therefore do not needed in waste mud after excessive moisture maintains perfusion mobility, waste mud to solidify in mould bag not
Large quantity of moisture can be generated to secrete out, that is, will not influence the integrality of mold bag curing soil, ensure that its normal use performance.
(5) one kind of the invention fills out extra large cofferdam mold bag curing soil, and the composite flocculation agent is by organic flocculant and nothing
Machine flocculant composition, and the ratio of two kinds of flocculants is optimized, pass through the phase of composite flocculation agent and mud body agent
Mutual coordinative role, so as to which slurry curing effect is effectively ensured.The wherein inorganic flocculating agent composition in composite flocculation agent, a side
Face can guarantee rapid flocculation precipitating when high water waste mud high-efficiency dehydration, and the another aspect ingredient can also participate in and structural agent
The mud gelling completed jointly and curing reaction guarantee its solidification effect to help to further increase the curing rate of mud
Fruit.
(6) a kind of preparation method for filling out extra large cofferdam mold bag curing soil of the invention, passes through the group to the mold bag curing soil
At, optimize with when specific preparation process, thereby may be ensured that its efficient rapid curing, can directly make after solidification
With the performances such as intensity of gained solidified earth are able to satisfy the requirement for filling out extra large cofferdam, and the dike core material in cofferdam used in the present invention
Expect that cost is substantially less than existing mold bag curing earth embankment core material (cement is as curing materials), mould bag sand and jackstone.Meanwhile this hair
Make mold bag curing soil containing biomass raw fiber in bright mold bag curing soil so as to further enhance to solidified earth
Microcosmic globality also improved, and then can guarantee its permanence operation, be consequently adapted to promote the use of.
(7) a kind of application method for filling out extra large cofferdam mold bag curing soil of the invention, using situ perfusion mode to mould bag
Slurry prime and curing process are carried out, so as to which the using effect of solidified earth is effectively ensured.
Specific embodiment
One kind of the invention fills out extra large cofferdam mold bag curing soil, and the mold bag curing soil is with waste mud, composite flocculation agent, mud
Structural agent and biomass fiber are prepared as a raw material, wherein on the basis of the dry weight of waste mud, it is solid that waste mud dry weight accounts for mould bag
The 40~60% of slurry gross weight when changing native slip casting, composite flocculation agent accounts for the 6~9% of waste mud dry weight, and mud body agent accounts for useless mud
The 3~4.5% of dry weight are starched, biomass fiber accounts for the 0~2.5% of waste mud dry weight.
Mud more than a large amount of liquid dregs can be generated in coastal cities construction and underground rail construction project abandons slurry (hereinafter referred to as
" waste mud "), if carrying out consumption processing not in time, it will carry out fatal disaster to urban belt, such as the bright Village slag in Shenzhen
Tu Chang collapses event.The mud that the present invention replaces dredging or hydraulic reclamation to generate using waste mud is as mould bag main stuffing for enclosing
Weir fill, and by selecting suitable composite flocculation agent and mud body agent to carry out solidification and flocculation treatment to waste mud, i.e., it is logical
The mutually coordinated effect of each component is crossed, so as to significantly improve the solidification effect of mold bag curing filler, the cured processing of filler
After can put into construction usage immediately, and can satisfy the use demand for filling out extra large coffering.
Specifically, waste mud used in the present invention using ground the slurry shield machine tunneling process for engineering of holing in formed give up
The waste mud formed in mud or pile foundation engineering and diaphram wall engineering construction, in the waste mud containing 10% or more pulping
With bentonite, water content is more than 80%.Inventor initially attempts to use with cement curing agent as main component to above-mentioned useless
Mud progress curing process, but the result shows that, extremely dilute slurry shield waste mud and base cannot be dug by engineering using general-purpose cement
The efficient mold bag curing of the carry out such as slag mud, the period that mould bag soil solidifies and hardens are partially long.The property of present invention combination waste mud, it is main
Curing process is carried out to mud by addition mud body agent, and type and addition mass ratio progress to mud body agent
Optimization design is conducive to the speed for accelerating cofferdam construction, while energy so as to make high water waste mud carry out efficient rapid curing
Enough guarantee that the performances such as the intensity of mould bag filler meet requirement.Composite flocculation is also added in mold bag curing soil of the invention
On the one hand agent can guarantee the rapid flocculation precipitating of mud by the mutually coordinated effect of composite flocculation agent and mud body agent,
On the other hand the curing rate for further increasing mud is additionally aided, guarantees its solidification effect.
Specifically, mud body agent of the invention is by aluminate, silicate, sulfate, phosphoric acid containing alkali or alkaline-earth metal
One of salt, borate and carbonate or more than one be combined with arbitrary proportion, or by containing it is above-mentioned contain alkali or alkaline earth
The aluminate of metal, silicate, sulfate, phosphate, borate and carbonate components one of double salt substance or a kind of
Be combined above with arbitrary proportion, preferred unique construction agent be sodium metasilicate, potassium silicate, sodium carbonate, potassium carbonate, sodium sulphate,
In potassium sulfate, sulphur potassium aluminate, sulphur sodium aluminate, Portland clinker, aluminate cement clinker and sulphoaluminate cement clinker
One or more kinds of combinations, specific surface area >=350m of mud body agent powder2/kg.Biomass fiber of the invention is adopted
With the bagasse of stalk after crushing and sugar refinery, a diameter of 0.1~1mm, length is 5~30mm.
Composite flocculation agent of the invention is made of inorganic flocculating agent and organic flocculant, and wherein inorganic flocculating agent is levigate mine
One of slag micro mist, flyash, levigate clinker, copper ashes micro mist, slag micro powder and levigate natural volcanic ash or more than one
Combination, weight accounts for the 99.9%~99.99% of composite flocculation agent gross weight, and the specific surface area of the inorganic flocculating agent powder >=
400m2/kg.Above-mentioned organic flocculant is anion-polyacrylamide PAM, in cationic PAM, anion and cation PAM
One or more kinds of combinations, weight account for the 1/1000~1/10000 of composite flocculation agent gross weight.Inorganic flocculating agent therein
It is inertia powder in acid, neutral and weakly alkaline slurry environment, useless mud can be substantially speeded up by only relying on its surface charge
The rapid flocculation of slurry precipitates, and makes waste mud high-efficiency dehydration, and volume reduces, and advantageously reduces the conveying cost of mud；While these
After ingredient admixes mud body agent in mud, and colloid can be excited by mud body agent and mud body agent one acts as
With solidifying the mud in mould bag quickly.
The above-mentioned preparation method for filling out extra large cofferdam mold bag curing soil of the invention, this method are by waste mud, composite flocculation
Agent, mud body agent and biomass fiber are mixed and stirred for after forming uniform slurry according to raw material proportioning, are injected into water conservancy project mould
Cured in the seawater in bag to form mold bag curing soil with hardening, the mould bag is sewed by non-woven fabrics, on mould bag
There are 3~6 filling cuffs, and lengthwise dimension is consistent with the axle center linear dimension of the cofferdam dike heart, and it is solid that mould bag is formed after filling
Change height >=500mm of soil, mould bag thickness >=0.5mm.Specific step is as follows for mold bag curing soil preparation:
(1) pass through pipeline for waste mud formed in slurry shield machine tunneling process or foundation engineering stake using slush pump
Temporarily is stored in the Slurry Storage tank that the waste mud that is formed is transported on ground in base construction, according to measure by waste mud from
It extracts and is added in mud agitator tank in Slurry Storage tank, then according to quality proportioning, the inorganic wadding measured is first added
Solidifying agent is stirred 2~10 minutes, is then added organic flocculant and is stirred 1~2 minute, so that the solid portion in waste mud obtains
Abundant flocculating setting.
(2) it after stopping stirring, settles waste mud sufficiently, filters out precipitating surface layer with supernatant water, then open stirring
The bottom valve of tank is pumped into bottom mud of the moisture content less than 60% directly in (or being put into) slurry transportation tank car, passes through mud
Conveying tank car is transported to cofferdam construction scene, is pumped into possum belly or the reservoir at scene by the slush pump at scene again
Interim storage.
(3) waste mud temporarily stored in possum belly or reservoir is delivered in slurry mixer by slush pump, and pressed
It feeds mud body agent simultaneously according to setting ratio to be stirred, after mixing evenly, then by high-pressure slurry delivery pump progress expedition pump
It send, and progress situ perfusion at the mould bag cuff launched arrange in advance is transported to by the pipeline of live temporary erection,
After mould bag is perfused, dead grouting mold bag cuff is pricked, and mould bag top is flattened, then again to second mould put on its side
Bag carries out situ perfusion, and tying and progress mould bag leveling, successively so carry out after perfusion.Mud in mould bag is solid afterwards for 24 hours
Change finishes to get mold bag curing soil of the invention.
After waste mud in above-mentioned steps (2) is transported to cofferdam construction scene, simple harbour can also be pumped directly into
On the slurry transportation ship of stop, waste mud and mud body agent transported to together by slurry transportation ship be equipped with slurry mixer and
It is passed through the suction pump stirred on workboat by the stirring workboat side of slurry transportation pump together with structural agent, and by difference
Metering, is pumped into slurry mixer, is stirred on the workboat on sea, and the mud for mixing mud body agent is passed through
Slush pump carries out underwater in-situ pouring construction to mould bag.
A kind of application method for filling out extra large cofferdam mold bag curing soil of the invention presses setting position cloth at cofferdam construction scene
First layer mould bag is set, curable slurry prime, first layer mould bag are successively carried out using the mould bag of method of the invention to first layer
In waste mud solidification after arrange second layer mould bag on it again, and successively carry out curable slurry prime, successively carry out
The construction of entire cofferdam dike cored structure.Slurry prime and curing process are carried out to mould bag by using situ perfusion mode, thus
The using effect of solidified earth can be effectively ensured.
To further appreciate that the contents of the present invention, now in conjunction with specific embodiment, the present invention is described in detail, is worth explanation
, mud body agent of the invention by containing alkali or alkaline-earth metal aluminate, silicate, sulfate, phosphate, borate and
One of carbonate or more than one be combined with arbitrary proportion, or by containing the above-mentioned aluminic acid containing alkali or alkaline-earth metal
Salt, silicate, sulfate, phosphate, borate and carbonate components one of double salt substance or more than one with any
Ratio is combined, and preferred unique construction agent is sodium metasilicate, potassium silicate, sodium carbonate, potassium carbonate, sodium sulphate, potassium sulfate, sulphur aluminium
One of sour potassium, sulphur sodium aluminate, Portland clinker, aluminate cement clinker and sulphoaluminate cement clinker or it is a kind of with
On combination.Inorganic flocculating agent in the composite flocculation agent is that pulverized slag powder, flyash, levigate clinker, copper ashes are micro-
One of powder, slag micro powder and levigate natural volcanic ash or more than one combination, since length is limited, not in embodiment
Enumerate.
Embodiment 1
One kind of the present embodiment fills out extra large cofferdam mold bag curing soil, and component is formed by waste mud by slurry shield, answers
It closes flocculant, mud body agent and biomass fiber to constitute, on the basis of the dry weight of waste mud, wherein waste mud dry weight accounts for mould bag
When solidified earth slip casting slurry weight 40%, composite flocculation agent accounts for the 6% of waste mud dry weight, mud body agent and accounts for waste mud dry weight
3%, coarse biometric matter fiber account for the 1% of waste mud dry weight.These ingredients by mix in groups at uniform slurry after, be fed into
In water conservancy project mould bag, solidify and harden into mold bag curing soil in the seawater.
The waste mud of the present embodiment is to hole the discarded slurry being formed continuously in slurry shield machine tunneling process on ground,
Water content is 80%, wherein also containing a small amount of irretrievable shield pulping bentonite.The composite flocculation agent of the present embodiment is
It is made of inorganic flocculating agent and organic flocculant, wherein inorganic constituents is specific surface area 400m2The slag micropowder of/kg accounts for multiple
Close the 99.99% of flocculant gross weight；Organic principle is anion-polyacrylamide (PAM), and molecular weight 16,000,000, weight accounts for
The 1/10000 of composite flocculation agent gross weight.
The mud body agent of the present embodiment is that Portland clinker and sulphoaluminate cement clinker are mixed and finely ground, and is mixed
Composition and division in a proportion example is 1:1, specific surface area 350m2/kg；The coarse biometric matter fiber is smashed stalk, diameter 1mm, length
30mm；The geotextiles mould bag is the large-scale cloth bag that non-woven fabrics is sewn into, the axle center of lengthwise dimension and the cofferdam dike heart
Linear dimension is consistent, height >=500mm of formation mould bag soil after filling, and there are 6 filling cuffs, mould bag thickness 1mm on mould bag.
Specifically, mold bag curing soil of the invention is realized according to following construction method:
(1) waste mud formed in shield machine tunneling process is sent on ground by pipeline using slush pump 1 first
Slurry Storage tank 2 in temporarily stored, then according still further to volume measurement, extracted from Slurry Storage tank and be added to mud
It starches in agitator tank 3, according to the match ratio of setting, inorganic constituents in the composite flocculation agent measured is first added and is stirred, stir
Time 2 minutes, the solution for then adding organic principle in composite flocculation agent was stirred, and mixing time 1 minute, starched dregs
In solid portion obtain flocculating setting.
(2) after stopping stirring, dregs slurry is allowed sufficiently to be settled, filters out precipitating surface layer with supernatant water, then opens stirring
The bottom valve 4 of tank is pumped into bottom mud of the moisture content less than 60% directly in (or being put into) slurry transportation tank car 5, by mud
Conveying tank car 5 is conveyed to cofferdam construction scene, is pumped into the possum belly 7 at scene by the slush pump 6 at scene again
Interim storage.
(3) waste mud temporarily stored in possum belly 7 is transported in slurry mixer 9 by slush pump 8, and according to setting
Certainty ratio feeds mud body agent simultaneously and is stirred, and after mixing evenly, then is remotely pumped by high-pressure slurry delivery pump 10,
It is perfused by the pipeline of live temporary erection to progress situ perfusion at the geotechnical fabric bag 11 arranged, mould bag is launched in advance
After, dead grouting mold bag cuff 12 is pricked, and mould bag top is flattened, then the second mould bag put on its side is carried out again
Situ perfusion tying and is flattened after perfusion, successively so carries out above-mentioned mould bag grouting operation.
(4) solidification finishes waste mud afterwards for 24 hours in the mould bag of bottom, then arranges second layer mould bag on it, and can consolidate
Change slurry prime, carry out the construction of entire cofferdam dike cored structure, mould bag is constructed after 12h, can carry out second layer mould bag on it
The mortar depositing construction of solidified earth, the unconfined compressive strength 1.5MPa of 28 days corings of mold bag curing soil, and it is in the construction process not
It is influenced by trend.
Embodiment 2
One kind of the present embodiment fills out extra large cofferdam mold bag curing soil, and the difference with solidified earth in embodiment 1 essentially consists in:
The specific substance classes of each component and mass ratio are different in solidified earth, the dry weight of waste mud in the mold bag curing soil of the present embodiment
The 60% of slurry weight when accounting for mold bag curing soil slip casting, (each Ingredient Amount is additional exhausted to account for for the mass ratio of other components such as table 1
The percentage of dry waste mud ingredient) shown in, in which:
The waste mud of the present embodiment is the waste mud that is formed in diaphram wall engineering construction, in the composite flocculation agent
Inorganic constituents is mixed by slag micropowder and flyash, and mixed proportion is slag micropowder: flyash=3:2, inorganic constituents
Specific surface area is 510m2/ kg, content are the 99.99% of composite flocculation agent gross weight；Organic principle is molecule in composite flocculation agent
Measure 18,000,000 cationic PAM, content is the 1/10000 of composite flocculation agent gross weight, and when use is first made into 0.01% water
Solution.The mud body agent of the present embodiment is that desulfurized gypsum cement mixing is levigate forms by Portland clinker and calcining, silicon
The mixed proportion of acid salt cement clinker and calcining desulfurized gypsum is 1.5:1, and the specific surface area of mud body agent is 400m2/kg.Institute
Stating rugose wood cellulose fiber is sugar refinery bagasse, fibre diameter 0.1mm, length 20mm；The geotextiles mould bag is nonwoven
The large-scale cloth bag that cloth is sewn into, typical sizes are that lengthwise dimension is consistent with the axle center linear dimension of the cofferdam dike heart, after filling
Height >=the 500mm for forming mould bag soil, there are 3 filling cuffs, mould bag thickness 1mm on mould bag.
The above-mentioned cofferdam mold bag curing soil of the present embodiment the specific implementation process is as follows:
(1) pass through pipeline for waste mud formed in diaphram wall engineering and pile foundation engineering using slush pump 1 first
It is temporarily stored in the Slurry Storage tank 2 being pumped on ground, then according still further to volume measurement, is extracted from Slurry Storage tank
It is added in mud agitator tank 3 out, according to setting match ratio, the composite flocculation agent inorganic constituents measured is first added and is stirred
It mixes, mixing time 5 minutes, the solution for then adding the organic principle of composite flocculation agent was stirred, and mixing time 1.5 is divided
Clock makes the solid portion in waste mud obtain flocculating setting.
(2) after stopping stirring, waste mud is allowed sufficiently to be settled, then filters out the clear water of precipitating surface layer or more, opening is stirred
The bottom valve 4 for mixing tank 3 is pumped into bottom mud of the moisture content less than 60% directly in (or being put into) slurry transportation tank car 5, by
Slurry transportation tank car 5 is conveyed to cofferdam construction scene, is stored up again by the mud that the slush pump 6 at scene is pumped into scene
Pond 7 temporarily stores.
(3) waste mud is pumped into the slurry transportation ship 13 of simple harbour by the slush pump 8 at scene from mud reservoir 7
On, waste mud and mud body agent are transported to together by slurry transportation ship 13, slurry mixer 14 and slurry transportation pump 15 are installed
16 side of stirring workboat, itself and mud body agent are passed through to the suction pump 17 on stirring workboat 16 together and are pumped into mud stirring
It in machine 14, is stirred across the sea, after stirring, by slush pump 18 and conveyance conduit, mud body agent will be mixed
Waste mud be pumped into the mould bag cuff at underwater mould bag situ perfusion construction, mould bag fills 12h after tying, can be on it
Construction second layer mold bag curing soil, the unconfined compressive strength 1.5MPa of 28 days corings, and mold bag curing soil is in the construction process
It is not influenced by trend.
Embodiment 3
One kind of the present embodiment fills out extra large cofferdam mold bag curing soil, and the difference with solidified earth in embodiment 1 essentially consists in:
The specific substance classes of each component and mass ratio are different in solidified earth, the dry weight of waste mud in the mold bag curing soil of the present embodiment
The 45% of slurry weight when accounting for mold bag curing soil slip casting, the mass ratio of other components are as shown in table 1, in which:
Inorganic constituents is mixed by slag micropowder and slag micro powder in the composite flocculation agent, and mixed proportion is that slag is micro-
Powder: slag micro powder=6:1, inorganic constituents are specific surface area 450m2/ kg, content are the 99.9% of composite flocculation agent gross weight；It is multiple
The anion and cation PAM that organic principle in flocculant is molecular weight 16,000,000 is closed, content is the 1/1000 of composite flocculation dosage,
0.01% aqueous solution is first made into when use.The mud body agent be by Portland clinker, aluminate cement clinker and
Desulfurized gypsum is mixed and finely ground, and the mixed proportion of Portland clinker, aluminate cement clinker and desulfurized gypsum is 1:
0.2:0.8, the specific surface area of mud body agent are 450m2/kg；The rugose wood cellulose fiber is crushing straw fiber, and fiber is straight
Diameter 0.5mm, length 5mm.The geotextiles mould bag is the large-scale cloth bag that non-woven fabrics is sewn into, and typical sizes are length directions
Size is consistent with the axle center linear dimension of the cofferdam dike heart, height >=500mm of formation mould bag soil after filling, and there are 4 on mould bag to fill
Fill out cuff, mould bag thickness 1.5mm.
Substantially with embodiment 1, difference is the construction method of above-mentioned mold bag curing soil: being added and measures in step (1)
Inorganic flocculating agent after stir 10 minutes, be added organic flocculant after be stirred for 2 minutes.Construction obtains first layer mold bag curing soil
Second day, it is anti-without lateral confinement can to obtain 28 days corings of mold bag curing soil in the construction for implementing second layer mold bag curing soil above
Compressive Strength is more than 2MPa.
Embodiment 4
One kind of the present embodiment fills out extra large cofferdam mold bag curing soil, and the difference with solidified earth in embodiment 1 essentially consists in:
The specific substance classes of each component and mass ratio are different in solidified earth, the dry weight of waste mud in the mold bag curing soil of the present embodiment
The 60% of slurry weight when accounting for mold bag curing soil slip casting, the mass ratio of other components are as shown in table 1, in which:
Inorganic constituents is mixed by slag micropowder and natural volcanic ash in the composite flocculation agent, and mixed proportion is slag
Micro mist: natural volcanic ash=2:1, inorganic constituents are specific surface area 450m2/ kg, content are composite flocculation agent gross weight
99.9%；Organic principle is the anionic PAM of molecular weight 12,000,000 in composite flocculation agent, and content is composite flocculation dosage
1/1000, when use, is first made into 0.1% aqueous solution.The mud body agent is by aluminate cement clinker, aluminium sulfate water
Mud clinker, sodium metasilicate are mixed and finely ground, aluminate cement clinker, sulphoaluminate cement clinker, sodium metasilicate mixed proportion be
1:1:1, the specific surface area of mud body agent are 450m2/kg；The rugose wood cellulose fiber is crushing straw fiber, fibre diameter
0.7mm, length 15mm.The geotextiles mould bag is the large-scale cloth bag that non-woven fabrics is sewn into, and typical sizes are length directions
Size is consistent with the axle center linear dimension of the cofferdam dike heart, height >=500mm of formation mould bag soil after filling, and there are 6 on mould bag to fill
Fill out cuff, mould bag thickness 1mm.
With embodiment 2, obtaining mold bag curing soil second day can implement the construction method of above-mentioned mold bag curing soil above
The construction of second layer mold bag curing soil, obtaining 28 days coring unconfined compressive strengths of mold bag curing soil is more than 2.5MPa.
Embodiment 5
One kind of the present embodiment fills out extra large cofferdam mold bag curing soil, and the difference with solidified earth in embodiment 1 essentially consists in:
The specific substance classes of each component and mass ratio are different in solidified earth, the dry weight of waste mud in the mold bag curing soil of the present embodiment
The 60% of slurry weight when accounting for mold bag curing soil slip casting, the mass ratio of other components are as shown in table 1, in which:
Inorganic constituents is that slag micro powder and levigate natural volcanic ash mix in the composite flocculation agent, and mixed proportion is
Slag micro powder: levigate natural volcanic ash=2:1, inorganic constituents are specific surface area 510m2/kg；Its content is that composite flocculation agent is total
The 99.99% of weight；Organic principle is the cationic PAM of molecular weight 18,000,000 in composite flocculation agent, and content is composite flocculation
The 1/10000 of dosage, when use, are first made into 0.01% aqueous solution.The mud body agent is by Portland clinker, sulphur
Aluminate cement clinker, sodium carbonate are mixed and finely ground, Portland clinker, sulphoaluminate cement clinker, sodium carbonate it is mixed
Composition and division in a proportion example is 5:5:1, and the specific surface area of mud body agent is 400m2/kg；The rugose wood cellulose fiber is crushing straw fiber,
0.1~1mm of fibre diameter, 5~30mm of length.The geotextiles mould bag is the large-scale cloth bag that non-woven fabrics is sewn into, typical
Size is that lengthwise dimension is consistent with the axle center linear dimension of the cofferdam dike heart, and height >=500mm of mould bag soil, mould are formed after filling
There are 6 filling cuffs, mould bag thickness 1mm on bag.
The construction method of above-mentioned mold bag curing soil, offshore part cofferdam is using the construction method in embodiment 1, remote bank part
Cofferdam can implement the second layer after obtaining first layer mold bag curing soil second day using the construction method in embodiment 2 above
The construction of mold bag curing soil, obtaining 28 days coring unconfined compressive strengths of mold bag curing soil is more than 3MPa.
The quality composition of each component in the mold bag curing soil of 1 embodiment 2- embodiment 5 of table
| Embodiment | Waste mud is aqueous (%) | Composite flocculation agent dosage (%) | Mud body agent (%) | Biomass fiber (%) |
| Embodiment 2 | 80 | 7.5 | 3.8 | 1.5 |
| Embodiment 3 | 83 | 8 | 4 | 2 |
| Embodiment 4 | 80 | 7 | 3.5 | 0.5 |
| Embodiment 5 | 90 | 9 | 4.5 | 2.5 |
Claims (10)
1. one kind fills out extra large cofferdam mold bag curing soil, it is characterised in that: the mold bag curing soil is with waste mud, composite flocculation agent, mud
Slurry structural agent and biomass fiber are prepared as a raw material, wherein on the basis of the dry weight of waste mud, waste mud dry weight accounts for mould bag
The 40~60% of slurry gross weight when solidified earth perfusion slurry, composite flocculation agent accounts for the 6~9% of waste mud dry weight, and mud body agent accounts for
The 3~4.5% of waste mud dry weight, biomass fiber account for the 0~2.5% of waste mud dry weight；The mud body agent is by containing alkali
One of aluminate, silicate, sulfate, phosphate, borate and carbonate of alkaline-earth metal or more than one with appoint
Meaning ratio is combined, or by containing the above-mentioned aluminate containing alkali or alkaline-earth metal, silicate, sulfate, phosphate, borate
With one of the double salt substance of carbonate components or more than one be combined with arbitrary proportion.
2. one kind according to claim 1 fills out extra large cofferdam mold bag curing soil, it is characterised in that: the waste mud uses
Ground hole engineering slurry shield machine tunneling process in the waste mud that is formed or pile foundation engineering and diaphram wall engineering construction
The waste mud of middle formation.
3. one kind according to claim 1 or 2 fills out extra large cofferdam mold bag curing soil, it is characterised in that: the compound wadding
Solidifying agent is made of inorganic flocculating agent and organic flocculant, wherein inorganic flocculating agent account for composite flocculation agent gross weight 99.9%~
99.99%, organic flocculant accounts for the 1/1000~1/10000 of composite flocculation agent gross weight.
4. one kind according to claim 3 fills out extra large cofferdam mold bag curing soil, it is characterised in that: the inorganic flocculating agent
For one of pulverized slag powder, flyash, levigate clinker, copper ashes micro mist, slag micro powder and levigate natural volcanic ash or one
Kind or more combination, specific surface area >=400m of the inorganic flocculating agent powder2/kg；The organic flocculant is anionic
One of polyacrylamide PAM, cationic PAM, anion and cation PAM or more than one combination.
5. one kind according to claim 4 fills out extra large cofferdam mold bag curing soil, it is characterised in that: the mud body agent powder
Specific surface area >=350m of body2/kg；The biomass fiber uses the bagasse of stalk and sugar refinery after crushing, a diameter of
0.1~1mm, length are 5~30mm.
6. a kind of preparation method according to any one of claims 1 to 5 for filling out extra large cofferdam mold bag curing soil, feature exist
In this method is that waste mud, composite flocculation agent, mud body agent and biomass fiber are mixed and stirred for shape according to raw material proportioning
After uniform slurry, it is filled into water conservancy project mould bag cured in the seawater and hardening and forms mold bag curing soil.
7. a kind of preparation method for filling out extra large cofferdam mold bag curing soil according to claim 6, it is characterised in that: described
Mould bag is sewed by non-woven fabrics, and there are 3~6 filling cuffs, the axle center of lengthwise dimension and the cofferdam dike heart on mould bag
Linear dimension is consistent, and height >=500mm of mould bag soil, mould bag thickness >=0.5mm are formed after filling.
8. a kind of preparation method for filling out extra large cofferdam mold bag curing soil according to claim 7, which is characterized in that it is specific
Steps are as follows:
(1) by shape in waste mud formed in slurry shield machine tunneling process or foundation engineering pile foundation and construction of diaphragm wall
At the Slurry Storage tank that is transported on ground of waste mud in temporarily stored, according to metering by waste mud from Slurry Storage tank
In be drawn into mud agitator tank, then according to quality proportioning, the inorganic flocculating agent that measures first is added and stirs 2~10 minutes,
Organic flocculant is then added to stir 1~2 minute；
(2) it after stopping stirring, settles waste mud sufficiently, filters out precipitating surface layer with supernatant water, then open agitator tank
Bottom valve is pumped into bottom mud of the moisture content less than 60% directly in slurry transportation tank car, is transported by slurry transportation tank car
It is live to cofferdam construction, and temporarily stored using possum belly or reservoir；
(3) waste mud temporarily stored in possum belly or reservoir is delivered in slurry mixer, and same according to setting ratio
When feeding mud body agent be stirred, after mixing evenly, then be transported to launch in advance at the mould bag cuff arranged into
Row situ perfusion pricks dead grouting mold bag cuff after mould bag is perfused, and mould bag top is flattened, the mud in mould bag for 24 hours after
Solidify and finishes to get mold bag curing soil of the invention.
9. a kind of preparation method for filling out extra large cofferdam mold bag curing soil according to claim 8, it is characterised in that: the step
Suddenly it after the waste mud in (2) is transported to cofferdam construction scene, is pumped directly on the slurry transportation ship that simple harbour is stopped,
Waste mud and mud body agent transported to together by slurry transportation ship and the stirring of slurry mixer and slurry transportation pump is installed applies
It is passed through the suction pump stirred on workboat by work ship side together with structural agent, and by measuring respectively, is pumped into slurry mixer
In, it is stirred on the workboat on sea, and the mud for mixing mud body agent is subjected to water to mould bag by slush pump
Lower situ perfusion construction.
10. a kind of application method for filling out extra large cofferdam mold bag curing soil, which is characterized in that its step are as follows: existing in cofferdam construction
Arrange first layer mould bag by setting position, using method described in any one of claim 6-9 to the mould bag of first layer according to
It is secondary to carry out curable slurry prime, second layer mould bag is arranged on it again after the waste mud solidification in first layer mould bag, and
Curable slurry prime is successively carried out, the construction of entire cofferdam dike cored structure is successively carried out.
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| CN108425369A (en) * | 2018-05-04 | 2018-08-21 | 中国建筑第四工程局有限公司 | A kind of bridge Double-Wall Steel Boxed Cofferdam sinking construction slurrying method |
| CN108755719A (en) * | 2018-06-07 | 2018-11-06 | 深圳市市政设计研究院有限公司 | Seabed municipal tunnel over strait cofferdam open cutting construction method |
| CN111995339A (en) * | 2020-07-16 | 2020-11-27 | 天津大学前沿技术研究院有限公司 | Anti-scouring solidified soil for ocean platform and preparation method thereof |
| CN112456743A (en) * | 2020-12-08 | 2021-03-09 | 中交天津港湾工程研究院有限公司 | Method for industrially producing bagged solidified soil by using dredged sludge |
| CN114772894A (en) * | 2022-05-27 | 2022-07-22 | 路德环境科技股份有限公司 | Method for treating alkaline residue by using slurry to treat waste with waste |
| CN115182392B (en) * | 2022-08-05 | 2024-04-16 | 中交上海三航科学研究院有限公司 | Bagged fluid-state solidified soil for scour prevention of offshore wind power pile foundation and backfilling method |
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| CN100478290C (en) * | 2006-04-26 | 2009-04-15 | 江苏聚慧科技有限公司 | Construction method by utilizing solidified earth from sludge |
| CN101602567B (en) * | 2009-07-16 | 2011-04-13 | 温州大学 | Waste mud solidification processing method based on polypropylene acetamide |
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