CN102617095A - Cement-free anti-water dispersion and anti-water corrosion synchronous grouting material and its preparation method - Google Patents
Cement-free anti-water dispersion and anti-water corrosion synchronous grouting material and its preparation method Download PDFInfo
- Publication number
- CN102617095A CN102617095A CN2011103869477A CN201110386947A CN102617095A CN 102617095 A CN102617095 A CN 102617095A CN 2011103869477 A CN2011103869477 A CN 2011103869477A CN 201110386947 A CN201110386947 A CN 201110386947A CN 102617095 A CN102617095 A CN 102617095A
- Authority
- CN
- China
- Prior art keywords
- water
- flyash
- steel
- slag powder
- grouting material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to a synchronous grouting material of shield tunneling and its preparation method. A cement-free anti-water dispersion and anti-water corrosion synchronous grouting material is mainly composed of the following components by weight ratio: 250-350kg/m<3> of phosphogypsum, 250-400kg/m<3> of fly ash, slag powder and steel slag powder, 25-40kg/m<3> of attapulgite clay, 1-1.4kg/m<3> of polyacrylamide, 2-2.8kg/m<3> of an aliphatic high efficiency water reducer, 800-1000kg/m<3> of river sand, and 200-400kg/m<3> of water. Specifically, for the sum of the weight of the fly ash, the slag powder and the steel slag powder, the fly ash accounts for 0.5-99%, the slag powder accounts for 0.5-99%, and the steel slag powder accounts for 0.5-99%. Mixing and stirring of the materials can obtain the required synchronous grouting material, which has the characteristics of anti-water dispersion, anti-water corrosion, good fluidity, good construction performance, no pipe blockage, long usable time, and fast increase of later strength.
Description
Technical field
The invention belongs to inorganic non-metallic material of construction class, be specifically related to a kind of shield tunnel synchronous grouting material and preparation method thereof.
Technical background
Underground works such as subway, tunnel is just increasing along with the develop rapidly of national economy, and the development of shield tunnel construction technology is also unusual swift and violent, and synchronous grouting material more and more comes into one's own as a gordian technique in the shield tunnel construction.Existing synchronous grouting material mainly contains following shortcoming:
One, injecting paste material receives water erosion easily, and slurries receive the easy laminated segregation of washing away of current, and anti-water-dispersion performance is bad; Slurries cause Ca because of hole, space
2+Gone out by water-soluble, anti-water-soluble erosion performance is bad.
Two, the workability of injecting paste material is difficult to control; The easy laminated segregation of the slurries that water cut is big, degree of mobilization is good, the problem in pumping construction is presented as plugging, needs to consume the great amount of manpower financial resources; Serious also possibly cause duct piece float upward, has a strong impact on construction quality.
Three, usable time is short; Meet long or other Special Circumstances of tunnel pipeline when causing slurries not pour into the time of coagulation of general injecting paste material at once about 5h, operability is just condensed, lost to conventional slurries after placing for some time; Cause abandoning slurry, cause waste of material and construction delay.
Phosphogypsum is phosphate fertilizer plant's solid waste, and China is production of phosphate fertilizer big country, and year output reaches the first in the world, by produce that phosphate fertilizer produces solid waste---the quantity of phosphogypsum is surprising.Generally take to abandon method, land purchase is stacked, landfill, has both increased business burden, causes the pollution of the second time to water source, atmosphere, soil again.
Flyash and granulated blast-furnace slag (abbreviation slag) are the industrial residues of two kinds of a large amount of dischargings.Flyash is a kind of industrial residue with pozzolanic activity, promptly at Ca (OH)
2Etc. also having the hydraulicity under the effect of chemical substance.Slag is a kind of material with " latent hydraulicity ", and is promptly during exist singly, substantially anhydrous rigid, but under the effect of some exciting agent, demonstrates the hydraulicity.Steel-making slag powder is the industrial residue that steelworks produces, and China is STEELMAKING PRODUCTION big country, and year output is in the first in the world always, steelworks produce solid waste---the quantity of slag also is positioned at the first in the world.The handling problem of these industrial residues is the vast emphasis problem of putting forth effort to solve of learning always.
Summary of the invention
The object of the present invention is to provide synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement and preparation method thereof, the synchronous grouting material of this method preparation has anti-water-dispersion, anti-water-soluble erosion performance, the characteristics that degree of mobilization is good.
For realizing above-mentioned purpose; The technical scheme that the present invention taked is: the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement; It mainly is made up of following component: phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water, the weight proportion (kg/m of each component
3) be: phosphogypsum: 250-350, flyash+slag micropowder+steel-making slag powder: 250-400, attapulgite clay: 25-40, SEPIGEL 305 1-1.4, aliphatic high-efficiency water reducing agent: 2-2.8, river sand: 800-1000, water 200-400; Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 0.5-99%, slag micropowder 0.5-99%, steel-making slag powder 0.5-99%; Phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water are mixed stirring, obtain required synchronous grouting material.
Described phosphogypsum is: the solid waste of phosphate fertilizer plant, staple are the original state phosphogypsum dihydrate.
Described flyash is: I level flyash or II level flyash, specific surface area>=3500cm
2/ g, water demand ratio is not more than 95%.
Described slag micropowder: S95 level blast furnace iron powder (S95 level breeze), specific surface area>=4000cm
2/ g.
Described steel-making slag powder: basicity factor K
a(CaO/ (SiO
2+ P
2O
5))>=3.0, specific surface area>=4500cm
2/ g.
Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80wt%-85wt%.
Described SEPIGEL 305: white or off-white color particulate powder, odorless is prone to dissolve molecular weight 800-1600 ten thousand.
Described aliphatic high-efficiency water reducing agent: brown liquid, water-reducing rate 20%-25%.
Described river sand: fineness modulus 1.5-2.6.
The preparation method of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of above-mentioned a kind of non-cement, its characteristic will comprise the steps: in it
1) starting material are chosen: by the weight proportion (kg/m of each component
3) be: phosphogypsum: 250-350, flyash+slag micropowder+steel-making slag powder: 250-400, attapulgite clay: 25-40, SEPIGEL 305 1-1.4, aliphatic high-efficiency water reducing agent: 2-2.8, river sand: 800-1000, water 200-400; Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 0.5-99%, slag micropowder 0.5-99%, steel-making slag powder 0.5-99%; Choose phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water;
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Through regulating early strength and the later strength after water reducer volume, wc and phosphogypsum and the ratio of flyash+slag micropowder+steel-making slag powder can be controlled the slurries moulding, to adapt to the requirement of Different Strata to slurries; The molecular weight through regulating SEPIGEL 305 and the volume of SEPIGEL 305 and attapulgite clay can effectively be controlled the serviceability of slurries, to adapt to the requirement of different construction conditions to the slurries serviceability.
The hydration mechanism of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement is following:
The staple of the solid waste of phosphate fertilizer plant---phosphogypsum is the original state phosphogypsum dihydrate, contains little P in addition
2O
5, P
2O
5Itself just has delayed coagulation; Staple in the flyash is SiO
2And Al
2O
3, the staple in slag differential and the steel-making slag powder then is CaO and SiO
2, mainly be to be main in the slag micropowder, and mainly be in the slag micro powder with C overbumt to be in metastable vitreum
3S, C
2S is main, does not have aquation in early days basically, has just played filling effect, can't play leading role to the activity of blended material.Therefore injecting paste material is all possessed operability in longer for some time in early stage, can not cause because aquation is condensed and can't use.
The aquation later stage, the active SiO in slag micropowder and the steel-making slag powder
2Generate the C-S-H gel with active CaO and water reaction, form structural network, promote gain in strength, the reaction equation of this reaction is:
3CaO+3SiO
2+nH
2O?→xCaO·SiO
2·yH
2O+(3-x)Ca(OH)
2......(1)
Active A l in the flyash in addition
2O
3Under the exciting of dihydrate gypsum, generate ettringite with the CaO in slag micropowder and the steel-making slag powder, promote the gain in strength of slurries.The reaction equation of this reaction is:
CaO+Al
2O
3+3(CaSO
4·2H
2O)+2Ca(OH)
2+24H
2O
→3CaO·Al
2O
3·3CaSO
4·32H
2O ......(2)
This reaction not only promotes slurry intensity to increase, and can also consume the Ca (OH) that the steel-making slag powder surface generates
2Expose unreacted steel-making slag powder to the open air, promote the carrying out of reaction (1), the ettringite of generation fills up the CSH structural network and forms gain in strength and good degree of compactness; Have microdilatancy, reduce the effect of shrinking, make the later stage of injecting paste material have mechanical property and anti-water-soluble erosion ability preferably.
The anti-water-dispersion principle of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement is following:
SEPIGEL 305 is water miscible high molecular polymer.Because contain the polar group of some amount in its molecular chain, can make through the solids that suspend in the planar water between particle and to build bridge or make particle coacervation become big throw out through charge neutralization.Attapulgite clay has the layer chain crystalline structure of 2: 1 unique type phyllosilicate structures; Cause the attapulgite clay macroscopic view to be fibrous pattern; The a lot of nano levels of growth duct in the self structure; Thereby have very big specific surface area and a stronger adsorptive power, and therefore can be to make the absorption each other of gathering materials such as water in the injecting paste material, flyash, slag micropowder, steel-making slag powder, sand, prevent segregation; Improve flowability, the formability of injecting paste material simultaneously and make its gain in strength, and can prevent material segregation under water effectively.
The adding of aliphatic high-efficiency water reducing agent can reduce each powder and gather materials intermolecular surface energy, and starting material can be mixed under low wash water, improves the polymerization degree, makes the good working performance of slurries; Under the acting in conjunction of SEPIGEL 305 and attapulgite clay, make slurries have " toothpaste-like ", degree of mobilization is good; Degree of mobilization loss is little, not stratified, do not emanate, and is easy to pumping; Can also reduce wc, strength of stability in addition
The present invention utilizes industrial residues such as phosphogypsum, flyash, slag micropowder, steel-making slag powder to prepare the shield tunnel synchronous grouting material, utilizes efficient diminishing plasticity-retention agent, attapulgite clay, polymer-thickened water-holding agent that injecting paste material is carried out modification.
The invention has the beneficial effects as follows: starting material have adopted industrial residues such as phosphogypsum, flyash, slag micropowder, steel-making slag powder; The waste residue utilization rate surpasses 90%; Cooperate attapulgite clay, SEPIGEL 305 and aliphatic high-efficiency water reducing agent; The synchronous grouting material of preparing has anti-water-dispersion, anti-water-soluble erosion performance, and degree of mobilization is good, have good workability, not plugging, and usable time is long, later strength increases fast.Specific requirement is: have good construction performance, not plugging requires denseness 8-12cm, degree of mobilization＞190mm, and the degree of mobilization loss is little, bleeding rate＜2%; Have good later strength, require 28d>=3.5MPa; Usable time is long, requires time of coagulation>=10h; Have good anti-water dispersible and anti-water-soluble erosion performance: require pH＜9,28d land and water strength ratio＞80%, Ca
2+Concentration＜60mg/L satisfies the engineering demand of shield tunnel.
Reasonable use of the present invention the excite ability of staple phosphogypsum dihydrate in the phosphogypsum to industrial residues such as flyash, slag micropowder, steel-making slag powder, batching is simple, low cost of manufacture is produced easily, workability can be good, can satisfy the requirement of grouting equipment; And construction management is convenient, effectively controlling ground settlement.The present invention is applicable to the shielded construction in subway, tunnel.
Embodiment
For a better understanding of the present invention, further illustrate content of the present invention, but content of the present invention not only is confined to following embodiment below in conjunction with embodiment.
Performance test methods is following among the embodiment:
1, the mensuration of mechanical property
Resistance to compression, folding strength carries out with reference to GB177-85 " strength of cement mortar detection method ", and the forming mould specification is 40mm * 40mm * 160mm; The test specimen curing requirements: maintenance in the air, 20 ℃ of room temperatures, relative humidity is not less than 60%.
2, the mensuration of workability
The denseness of synchronous grouting material, degree of mobilization experimentizes with reference to JGJ/T70-2009 " building mortar basic performance tests method standard ".
A, degree of mobilization:
Adopt top round mouth diameter 70mm, bottom round mouth diameter 100mm, the taper die of high 60mm (being the jumping table die trial) carries out slurry degree and slump consistancy test.Earlier the awl tube after wetting is placed on the smooth and wetting flat glass plate (or jumping table), at twice slurries are poured in the awl tube (vibrating during toppling over), vertically mention the awl tube then rapidly, treat that slurry, diffusion measure after stable.The slurries difference of altitude is the slump of starching material before and after breaking away from taper die; The diameter that the measurement slurries are spread out towards the diffusion of different vertical direction is degree of mobilization.
This method it can intuitive and accurate evaluation slurries serviceability such as slump, expansion.
B, denseness:
The employing mortar consistency tester makes an experiment.Clean slurry filling container and examination poppet surface with wet cloth,, the mortar surface is lower than about the about 10mm of vessel port the mortar mixture container of once packing into.With tamper insert and smash, and knock container, drive bubble out of and guarantee that the slurry material is closely knit, container is placed on the base of slurry consistency determinator, left and right sides jog is to guarantee its horizontal positioned.Unscrew setscrew, make the free-falling of examination awl until the stable no longer variation of pointer.Read the submergence depth (being accurate to 1mm) that examination is bored from scale card, be the consistometric value of mortar;
The mensuration of C, bleeding rate:
With reference to GB/T3183-1997 " masonry cement ".
Concrete experimental technique is: get a 100mL graduated cylinder, careful slurries to 0 scale of pouring into.On the graduated cylinder mouth, cover two layers of plastic thin films, during keep 24～30 ℃ of room temperatures, leave standstill after the slurries 3 hours, utilize vernier callipers accurately to measure and float, and calculate the volume ratio of bleeding layer and the interior slurries of graduated cylinder near the water layer thickness the graduated cylinder mouth;
3, the injecting paste material usable time is through measuring time of coagulation:
Undertaken by JGJ70-90 " building mortar basic performance tests method ".The mortar for preparing is packed in the mortar capacity tube, be lower than upper opening of container 10mm, knock container gently, and give floatingly, the container that mortar is housed is placed in the room temperature environment of 2 ℃ in 20 soil and preserves.
Mortar surface bleeding is not removed, and measures the penetration resistance value, uses the cross section to be 30mm
2Injection test point and mortar surface contact, it is dark in 10s, slowly and uniformly to be pressed into the inner 25mm of mortar, reading of a recording instrument Np during each injection, injection bar leave container edge or injection position 1.2mm previously at least.
Under 20 ± 2 ℃ of conditions, actual penetration resistance value begins to measure (adding water from stirring counts) behind 2h, whenever then measures once at a distance from half a hour, reach 0.3MPa to penetration resistance after, change into and whenever measuring once, till penetration resistance reaches 0.7MPa at a distance from 5min.
By the penetration resistance value that records; Can confirm the time of coagulation of mortar by following method: draw according to each stage gained penetration resistance value and timing relationship; Required time tg (min) when being obtained penetration resistance and reached 0.5MPa by figure, this tg is measured value time of coagulation of mortar.
4, the anti-water-dispersion test of injecting paste material:
The method of shaping test piece in the water: prepare the container of a height, be filled to the 500mm place, in container, place the cubes slurries die trial that the length of side is 70.7mm simultaneously greater than 550mm.Newly mixing slurries through the water-filled mould of the careful injection of conduit; Fill die trial and overflow until slurries, take out die trial from container, vibrate, beat moulding; Place mark to support chamber (humidity is greater than 60%) maintenance the die trial of moulding in the water, carry out Experiments of Machanics at last until stipulating the length of time.
Test specimen ultimate compression strength through aforesaid method test is intensity in the water of slurries; Carry out the test of the land intensity of slurries with reference to test specimen ultimate compression strength method among the JGJ70-90 " building slurries fundamental property TP " simultaneously.
The land and water strength ratio just is meant same kind of slurries behind above two kinds of different condition compacted unders, maintenance to certain in same the length of time its intensity ratio (representing) with per-cent.The land and water strength ratio is the data of the anti-water-dispersion performance of ability quantitative analysis slurries.
5, pH value: the pH value of injecting paste material ambient water solution, can reflect in the open pore of unit volume calculus body the content of taking alkali in the slurries because of stripping out of.
Experimentize according to DL/T5177-2000 " non-dispersible underwater concrete experiment rules ".Get the 1000mL graduated cylinder and inject the 800mL tap water, the high anti-water-dispersion synchronous grouting material of 50mL is poured in the graduated cylinder, leave standstill 2min, utilize PHS-25CpH pH-value determination pH appearance to measure the pH value of supernatant liquid;
6, anti-corrosion performance
The stripping quantity analytical procedure of calcium ion: behind the shaping test piece, sample was soaked 28 days in abundant flowing water, adopt fluorometry afterwards to measuring the mensuration of carrying out Ca2+ concentration in the aqueous solution that soaks sample.
Embodiment 1:
The preparation method of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement, it comprises the steps:
1) raw-material choosing: each composition weight proportioning (kg/m
3) be: phosphogypsum: 260, flyash+slag micropowder+steel-making slag powder: 280, attapulgite clay: 27, SEPIGEL 305: 1.1, aliphatic high-efficiency water reducing agent: 2.2, river sand: 895, water: 305; Wherein flyash, slag micropowder, steel-making slag powder account for the total amount per-cent of three's sum and be: flyash: slag micropowder 65%: 25%, steel-making slag powder 10%.
Described phosphogypsum is the solid waste of phosphate fertilizer plant, and staple is the original state phosphogypsum dihydrate; Described flyash is one-level or second class powered coal ash, and specific surface area is greater than 3500cm
2/ g; Described slag micropowder is a blast-furnace slag, and specific surface area is greater than 4500cm
2/ g; The cast steel ground-slag of described steel-making slag powder for having bought on the market, effective CaO content>=60%, specific surface area>=4500cm
2/ g; Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80wt%-85wt%; Described SEPIGEL 305 is white or off-white color particulate powder, and odorless is instant, molecular weight 1,600 ten thousand; The water-reducing rate of described aliphatic high-efficiency water reducing agent is 20%-25%, liquid state; Described river sand: fineness modulus is 1.5-2.6.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Match ratio sees Table 1, and test result sees Table 2.
Embodiment 2:
The preparation method of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement, it comprises the steps:
1) raw-material choosing: each composition weight proportioning (kg/m
3) be: phosphogypsum: 280, flyash+slag micropowder+steel-making slag powder: 280, attapulgite clay: 28, SEPIGEL 305: 1.1, aliphatic high-efficiency water reducing agent: 2.25, river sand: 880, water: 326; Wherein flyash, slag micropowder, steel-making slag powder account for the total amount per-cent of three's sum and be: flyash: slag micropowder 65%: 25%, steel-making slag powder 10%.
Described phosphogypsum is the solid waste of phosphate fertilizer plant, and staple is the original state phosphogypsum dihydrate; Described flyash is one-level or second class powered coal ash, and specific surface area is greater than 3500cm
2/ g; Described slag micropowder is a blast-furnace slag, and specific surface area is greater than 4500cm
2/ g; The cast steel ground-slag of described steel-making slag powder for having bought on the market, effective CaO content>=60%, basicity factor K
a(CaO/ (SiO
2+ P
2O
5))>=3.0, specific surface area>=4500cm
2/ g; Described SEPIGEL 305 is white or off-white color particulate powder, and odorless is instant, molecular weight 1,600 ten thousand; The water-reducing rate of described aliphatic high-efficiency water reducing agent is 20%-25%, liquid state; Described river sand: fineness modulus is 1.5-2.6.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80wt%-85wt%.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Embodiment 3:
The preparation method of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement, it comprises the steps:
1) raw-material choosing: each composition weight proportioning (kg/m
3) be: phosphogypsum: 300, flyash+slag micropowder+steel-making slag powder: 280, attapulgite clay: 29, SEPIGEL 305: 1.2, aliphatic high-efficiency water reducing agent: 2.3, river sand: 860, water: 342; Wherein to account for the total amount per-cent of three's sum be flyash for flyash, slag micropowder, steel-making slag powder: slag micropowder 65%: 25%, steel-making slag powder 10%.
Described phosphogypsum is the solid waste of phosphate fertilizer plant, and staple is the original state phosphogypsum dihydrate; Described flyash is one-level or second class powered coal ash, and specific surface area is greater than 3500cm
2/ g; Described slag micropowder is a blast-furnace slag, and specific surface area is greater than 4500cm
2/ g; The cast steel ground-slag of described steel-making slag powder for having bought on the market, effective CaO content>=60%; Described SEPIGEL 305 is white or off-white color particulate powder, and odorless is instant, molecular weight 1,200 ten thousand; The water-reducing rate of described aliphatic high-efficiency water reducing agent is 20%-25%, liquid state; Described river sand: fineness modulus is 1.5-2.6.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80%-85%.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Embodiment 4:
The preparation method of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement, it comprises the steps:
1) raw-material choosing: each composition weight proportioning (kg/m
3) be: phosphogypsum: 280, flyash+slag micropowder+steel-making slag powder: 300, attapulgite clay: 29, SEPIGEL 305: 1.2, aliphatic high-efficiency water reducing agent: 2.3, river sand: 865, water: 338; Wherein to account for the total amount per-cent of three's sum be flyash for flyash, slag micropowder, steel-making slag powder: slag micropowder 65%: 25%, steel-making slag powder 10%.
Described phosphogypsum is the solid waste of phosphate fertilizer plant, and staple is the original state phosphogypsum dihydrate; Described flyash is one-level or second class powered coal ash, and specific surface area is greater than 3500cm
2/ g; Described slag micropowder is a blast-furnace slag, and specific surface area is greater than 4500cm
2/ g; The cast steel ground-slag of described steel-making slag powder for having bought on the market, effective CaO content>=60%; Described SEPIGEL 305 is white or off-white color particulate powder, and odorless is instant, molecular weight 1,200 ten thousand; Described aliphatic high-efficiency water reducing agent water-reducing rate is 20%-25%, liquid state; Described river sand: fineness modulus is 1.5-2.6.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80%-85%.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Embodiment 5:
The preparation method of the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement, it comprises the steps:
1) raw-material choosing: each composition weight proportioning (kg/m
3) be: phosphogypsum: 280, flyash+slag micropowder+steel-making slag powder: 300, attapulgite clay: 29, SEPIGEL 305: 1.2, aliphatic high-efficiency water reducing agent: 2.3, river sand: 865, water: 340; Wherein to account for the total amount per-cent of three's sum be flyash for flyash, slag micropowder, steel-making slag powder: slag micropowder 60%: 25%, steel-making slag powder 15%.
Described phosphogypsum is the solid waste of phosphate fertilizer plant, and staple is the original state phosphogypsum dihydrate; Described flyash is one-level or second class powered coal ash, and specific surface area is greater than 3500cm
2/ g; Described slag micropowder is a blast-furnace slag, and specific surface area is greater than 4500cm
2/ g; The cast steel ground-slag of described steel-making slag powder for having bought on the market, effective CaO content>=60%; Described SEPIGEL 305 is white or off-white color particulate powder, and odorless is instant, molecular weight 1,000 ten thousand; Described aliphatic high-efficiency water reducing agent water-reducing rate is 20%-25%, liquid state; Described river sand: fineness modulus is 1.5-2.6.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80%-85%.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Embodiment 6:
Plant the preparation method of the synchronous grouting material of the anti-water-soluble erosion of anti-water-dispersion, comprise the steps:
1) starting material are chosen: by the weight proportion (kg/m of each component
3) be: phosphogypsum: 250, flyash+slag micropowder+steel-making slag powder: 250, attapulgite clay: 25, SEPIGEL 305 1, aliphatic high-efficiency water reducing agent: 2, river sand: 800, water 400; Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 0.5%, slag micropowder 0.5%, steel-making slag powder 99%; Choose phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water;
Described phosphogypsum is: the solid waste of phosphate fertilizer plant, staple are the original state phosphogypsum dihydrate.Described flyash is: I level flyash or II level flyash, specific surface area>=3500cm
2/ g, water demand ratio is not more than 95%.Described slag micropowder: S95 level blast furnace iron powder, specific surface area>=4000cm
2/ g.Described steel-making slag powder: basicity factor K
a(CaO/ (SiO
2+ P
2O
5))>=3.0, specific surface area>=4500cm
2/ g.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80%-85%.Described SEPIGEL 305: white or off-white color particulate powder, odorless is prone to dissolve molecular weight 1,000 ten thousand.Described aliphatic high-efficiency water reducing agent: brown liquid, water-reducing rate 20%-25%.Described river sand: fineness modulus 1.5-2.6.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Embodiment 7:
Plant the preparation method of the synchronous grouting material of the anti-water-soluble erosion of anti-water-dispersion, comprise the steps:
1) starting material are chosen: by the weight proportion (kg/m of each component
3) be: phosphogypsum: 350, flyash+slag micropowder+steel-making slag powder: 400, attapulgite clay: 40, SEPIGEL 305 1.4, aliphatic high-efficiency water reducing agent: 2.8, river sand: 1000, water 400; Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 99%, slag micropowder 0.5%, steel-making slag powder 0.5%; Choose phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water;
Described phosphogypsum is: the solid waste of phosphate fertilizer plant, staple are the original state phosphogypsum dihydrate.Described flyash is: I level flyash or II level flyash, specific surface area>=3500cm
2/ g, water demand ratio is not more than 95%.Described slag micropowder: S95 level blast furnace iron powder, specific surface area>=4000cm
2/ g.Described steel-making slag powder: basicity factor K
a(CaO/ (SiO
2+ P
2O
5))>=3.0, specific surface area>=4500cm
2/ g.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80%-85%.Described SEPIGEL 305: white or off-white color particulate powder, odorless is prone to dissolve molecular weight 8,000,000.Described aliphatic high-efficiency water reducing agent: brown liquid, water-reducing rate 20%-25%.Described river sand: fineness modulus 1.5-2.6.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Embodiment 8:
Plant the preparation method of the synchronous grouting material of the anti-water-soluble erosion of anti-water-dispersion, comprise the steps:
1) starting material are chosen: by the weight proportion (kg/m of each component
3) be: phosphogypsum: 250, flyash+slag micropowder+steel-making slag powder: 250, attapulgite clay: 40, SEPIGEL 305 1.4, aliphatic high-efficiency water reducing agent: 2.8, river sand: 1000, water 200; Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 0.5%, slag micropowder 99%, steel-making slag powder 0.5%; Choose phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water;
Described phosphogypsum is: the solid waste of phosphate fertilizer plant, staple are the original state phosphogypsum dihydrate.Described flyash is: I level flyash or II level flyash, specific surface area>=3500cm
2/ g, water demand ratio is not more than 95%.Described slag micropowder: S95 level blast furnace iron powder, specific surface area>=4000cm
2/ g.Described steel-making slag powder: basicity factor K
a(CaO/ (SiO
2+ P
2O
5))>=3.0, specific surface area>=4500cm
2/ g.Described attapulgite clay: Jiangsu Huai Yuan mining industry ltd produces, attapulgite content 80%-85%.Described SEPIGEL 305: white or off-white color particulate powder, odorless is prone to dissolve molecular weight 8,000,000.Described aliphatic high-efficiency water reducing agent: brown liquid, water-reducing rate 20%-25%.Described river sand: fineness modulus 1.5-2.6.
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material (can pour into) that anti-water-dispersion resists water-soluble erosion.
Proportioning such as table 1, test result is seen table 2.
Proportioning (the kg/m of table 1. synchronous grouting material
3)
The The performance test results of table 2. synchronous grouting material
The synchronous grouting material of table 2 explanation method preparation of the present invention has anti-water-dispersion, anti-water-soluble erosion performance, and degree of mobilization is good, have good workability, not plugging, and usable time is long, later strength increases fast characteristics.
The bound value and the interval value of phosphogypsum of the present invention, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent and river sandy plain material can both be realized the present invention, again this illustrative example one by one not just.
Claims (7)
1. the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of non-cement; It mainly is made up of following component: phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water, the weight proportion of each component is: phosphogypsum: 250-350kg/m
3, flyash+slag micropowder+steel-making slag powder: 250-400kg/m
3, attapulgite clay: 25-40kg/m
3, SEPIGEL 305 1-1.4kg/m
3, aliphatic high-efficiency water reducing agent: 2-2.8kg/m
3, river sand: 800-1000kg/m
3, water 200-400kg/m
3Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 0.5-99%, slag micropowder 0.5-99%, steel-making slag powder 0.5-99%; Phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water are mixed stirring, obtain required synchronous grouting material.
2. the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement according to claim 1, it is characterized in that: described flyash is: I level flyash or II level flyash, specific surface area>=3500cm
2/ g, water demand ratio is not more than 95%.
3. the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement according to claim 1, it is characterized in that: described flyash is: described slag micropowder: S95 level blast furnace iron powder, specific surface area>=4000cm
2/ g.
4. the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement according to claim 1, it is characterized in that: described flyash is: described steel-making slag powder: basicity factor K
a(CaO/ (SiO
2+ P
2O
5))>=3.0, specific surface area>=4500cm
2/ g.
5. the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement according to claim 1, it is characterized in that: described flyash is: described SEPIGEL 305: molecular weight 800-1600 ten thousand.
6. the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement according to claim 1, it is characterized in that: described flyash is: described river sand: fineness modulus 1.5-2.6.
7. a method for preparing the synchronous grouting material of the anti-water-soluble erosion of the anti-water-dispersion of a kind of non-cement as claimed in claim 1 is characterized in that it comprises the steps:
1) starting material are chosen: the weight proportion by each component is: phosphogypsum: 250-350kg/m
3, flyash+slag micropowder+steel-making slag powder: 250-400kg/m
3, attapulgite clay: 25-40kg/m
3, SEPIGEL 305 1-1.4kg/m
3, aliphatic high-efficiency water reducing agent: 2-2.8kg/m
3, river sand: 800-1000kg/m
3, water 200-400kg/m
3Wherein flyash, slag micropowder, steel-making slag powder account for weight percent hundred numbers of three's sum and are: flyash 0.5-99%, slag micropowder 0.5-99%, steel-making slag powder 0.5-99%; Choose phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay, SEPIGEL 305, aliphatic high-efficiency water reducing agent, river sand and water;
2) first phosphogypsum, flyash, slag micropowder, steel-making slag powder, attapulgite clay mix, and add the dry mixing 3 minutes together of river sand afterwards, obtain dry blend; Mix and stir adding to mix in the dry blend after aliphatic high-efficiency water reducing agent and SEPIGEL 305 and the water mixing and stirring then, stirred 3 minutes, stir, obtain the synchronous grouting material that anti-water-dispersion resists water-soluble erosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386947.7A CN102617095B (en) | 2011-11-29 | 2011-11-29 | Cement-free anti-water dispersion and anti-water corrosion synchronous grouting material and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386947.7A CN102617095B (en) | 2011-11-29 | 2011-11-29 | Cement-free anti-water dispersion and anti-water corrosion synchronous grouting material and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102617095A true CN102617095A (en) | 2012-08-01 |
| CN102617095B CN102617095B (en) | 2014-04-09 |
Family
ID=46557370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110386947.7A Expired - Fee Related CN102617095B (en) | 2011-11-29 | 2011-11-29 | Cement-free anti-water dispersion and anti-water corrosion synchronous grouting material and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102617095B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359992A (en) * | 2013-07-08 | 2013-10-23 | 上海住总工程材料有限公司 | Dry powder-type special mortar for synchronous grouting, and preparation method and construction method thereof |
| CN103449789A (en) * | 2013-07-29 | 2013-12-18 | 武汉地铁集团有限公司 | Super-high early-strength micro-expansive double liquid grouting material and preparation method of same |
| CN104710139A (en) * | 2014-12-12 | 2015-06-17 | 安徽恒源煤电股份有限公司 | Slip-casting material of clay cement mortar |
| CN108828197A (en) * | 2018-05-30 | 2018-11-16 | 宁波联城住工科技有限公司 | For detecting the pH value detection device and its detection method of grouting material |
| CN109626942A (en) * | 2018-12-14 | 2019-04-16 | 沈阳建筑大学 | The magnetorheological intelligent shield grouting material of one kind, preparation method and applications |
| CN110642576A (en) * | 2019-11-13 | 2020-01-03 | 中国建筑材料科学研究总院有限公司 | Insulating expansion grouting mortar, preparation method thereof and application thereof in prefabricated staircase construction with adjustable step height |
| CN111205060A (en) * | 2020-01-13 | 2020-05-29 | 东南大学 | Industrial waste residue multi-component composite shield tunnel wall post-grouting material and preparation method thereof |
| CN111410494A (en) * | 2020-04-22 | 2020-07-14 | 成都理工博大工程科技有限公司 | Underwater non-dispersive rapid-hardening grouting leak-stopping composite material and preparation method thereof |
| CN111424690A (en) * | 2020-04-20 | 2020-07-17 | 中国科学院地质与地球物理研究所 | Construction method for applying phosphogypsum to loess shallow landslide protection |
| CN111424688A (en) * | 2020-04-20 | 2020-07-17 | 中国科学院地质与地球物理研究所 | Protection method for preventing and controlling shallow landslide of soil slope by using phosphogypsum |
| CN111499228A (en) * | 2020-03-10 | 2020-08-07 | 涉县清漳水泥制造有限公司 | Cementing material for mortar and application thereof |
| CN111548061A (en) * | 2020-04-20 | 2020-08-18 | 中国矿业大学(北京) | Strip mine water-rich deep hole isolation slurry material and preparation method thereof |
| CN112592143A (en) * | 2020-12-16 | 2021-04-02 | 哈尔滨工业大学 | Clay-slag-based harbor seismic strengthening mineral grouting material and preparation method thereof |
| CN114230224A (en) * | 2021-12-21 | 2022-03-25 | 青岛市地铁六号线有限公司 | Low-carbon anti-permeability type full-solid waste grouting material and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424275A (en) * | 2003-01-10 | 2003-06-18 | 中国矿业大学（北京校区） | Cementing materials for filling, slurry and preparing and filling processes |
| CN101139198A (en) * | 2007-08-15 | 2008-03-12 | 深圳清华大学研究院 | Chemical industrial gypsum building materials and method for manufacturing same |
| CN101182143A (en) * | 2007-11-07 | 2008-05-21 | 北京航空航天大学 | Preparation of composite high-expansion cementing material by using industrial slag and preparation technique thereof |
| CN101602589A (en) * | 2009-06-30 | 2009-12-16 | 中国地质大学（武汉） | Post-tensioned prestressing pipeline vacuum grouting or mud jacking preformed material and preparation method thereof |
-
2011
- 2011-11-29 CN CN201110386947.7A patent/CN102617095B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424275A (en) * | 2003-01-10 | 2003-06-18 | 中国矿业大学（北京校区） | Cementing materials for filling, slurry and preparing and filling processes |
| CN101139198A (en) * | 2007-08-15 | 2008-03-12 | 深圳清华大学研究院 | Chemical industrial gypsum building materials and method for manufacturing same |
| CN101182143A (en) * | 2007-11-07 | 2008-05-21 | 北京航空航天大学 | Preparation of composite high-expansion cementing material by using industrial slag and preparation technique thereof |
| CN101602589A (en) * | 2009-06-30 | 2009-12-16 | 中国地质大学（武汉） | Post-tensioned prestressing pipeline vacuum grouting or mud jacking preformed material and preparation method thereof |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359992A (en) * | 2013-07-08 | 2013-10-23 | 上海住总工程材料有限公司 | Dry powder-type special mortar for synchronous grouting, and preparation method and construction method thereof |
| CN103449789A (en) * | 2013-07-29 | 2013-12-18 | 武汉地铁集团有限公司 | Super-high early-strength micro-expansive double liquid grouting material and preparation method of same |
| CN104710139A (en) * | 2014-12-12 | 2015-06-17 | 安徽恒源煤电股份有限公司 | Slip-casting material of clay cement mortar |
| CN108828197A (en) * | 2018-05-30 | 2018-11-16 | 宁波联城住工科技有限公司 | For detecting the pH value detection device and its detection method of grouting material |
| CN109626942A (en) * | 2018-12-14 | 2019-04-16 | 沈阳建筑大学 | The magnetorheological intelligent shield grouting material of one kind, preparation method and applications |
| CN110642576A (en) * | 2019-11-13 | 2020-01-03 | 中国建筑材料科学研究总院有限公司 | Insulating expansion grouting mortar, preparation method thereof and application thereof in prefabricated staircase construction with adjustable step height |
| CN110642576B (en) * | 2019-11-13 | 2022-03-01 | 中国建筑材料科学研究总院有限公司 | Insulating expansion grouting mortar, preparation method thereof and application thereof in prefabricated staircase construction with adjustable step height |
| CN111205060A (en) * | 2020-01-13 | 2020-05-29 | 东南大学 | Industrial waste residue multi-component composite shield tunnel wall post-grouting material and preparation method thereof |
| CN111205060B (en) * | 2020-01-13 | 2022-03-08 | 东南大学 | Industrial waste residue multi-component composite shield tunnel wall post-grouting material and preparation method thereof |
| CN111499228A (en) * | 2020-03-10 | 2020-08-07 | 涉县清漳水泥制造有限公司 | Cementing material for mortar and application thereof |
| CN111424690A (en) * | 2020-04-20 | 2020-07-17 | 中国科学院地质与地球物理研究所 | Construction method for applying phosphogypsum to loess shallow landslide protection |
| CN111548061A (en) * | 2020-04-20 | 2020-08-18 | 中国矿业大学(北京) | Strip mine water-rich deep hole isolation slurry material and preparation method thereof |
| CN111424688A (en) * | 2020-04-20 | 2020-07-17 | 中国科学院地质与地球物理研究所 | Protection method for preventing and controlling shallow landslide of soil slope by using phosphogypsum |
| CN111410494A (en) * | 2020-04-22 | 2020-07-14 | 成都理工博大工程科技有限公司 | Underwater non-dispersive rapid-hardening grouting leak-stopping composite material and preparation method thereof |
| CN112592143A (en) * | 2020-12-16 | 2021-04-02 | 哈尔滨工业大学 | Clay-slag-based harbor seismic strengthening mineral grouting material and preparation method thereof |
| CN112592143B (en) * | 2020-12-16 | 2022-05-10 | 哈尔滨工业大学 | Clay-slag-based harbor seismic strengthening mineral grouting material and preparation method thereof |
| CN114230224A (en) * | 2021-12-21 | 2022-03-25 | 青岛市地铁六号线有限公司 | Low-carbon anti-permeability type full-solid waste grouting material and preparation method and application thereof |
| CN114230224B (en) * | 2021-12-21 | 2023-08-25 | 青岛市地铁六号线有限公司 | Low-carbon impervious full-solid waste grouting material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102617095B (en) | 2014-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102617095B (en) | Cement-free anti-water dispersion and anti-water corrosion synchronous grouting material and its preparation method | |
| Khan et al. | Utilisation of steel furnace slag coarse aggregate in a low calcium fly ash geopolymer concrete | |
| Nuaklong et al. | Influence of recycled aggregate on fly ash geopolymer concrete properties | |
| Liu et al. | Effects of w/b ratio, fly ash, limestone calcined clay, seawater and sea-sand on workability, mechanical properties, drying shrinkage behavior and micro-structural characteristics of concrete | |
| Alsafi et al. | Collapsibility potential of gypseous soil stabilized with fly ash geopolymer; characterization and assessment | |
| CN104609814B (en) | Anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence | |
| CN102690098B (en) | Roadbed filler for road and preparation method of roadbed filler | |
| CN103449762B (en) | Early-strength micro-expanding synchronous grouting material prepared from shield tailings and preparation method of synchronous grouting material | |
| CN101684038A (en) | Curing agent and construction method of weak soil | |
| CN101265067A (en) | Water-resisting high-strength gypsum-base concrete brick or building block, and producing method thereof | |
| Abdel-Gawwad et al. | The potential application of cement kiln dust-red clay brick waste-silica fume composites as unfired building bricks with outstanding properties and high ability to CO2-capture | |
| CN102976677A (en) | Dredged soil composite curing agent and engineering building material | |
| Liu et al. | Formulation and properties of a newly developed powder geopolymer grouting material | |
| CN103253921A (en) | Cement concrete preventing corrosion of chlorine salt and preparation method thereof | |
| Calvo et al. | Development of low-pH cementitious materials based on CAC for HLW repositories: Long-term hydration and resistance against groundwater aggression | |
| Wu et al. | Orthogonal experimental studies on preparation of mine‐filling materials from carbide slag, granulated blast‐furnace slag, fly ash, and flue‐gas desulphurisation gypsum | |
| Peng et al. | Mechanical behavior, durability, thermal performances and microstructure of GGBFS–Modified MPC solidified dredged sludge | |
| CN109626899A (en) | A kind of foam mud mix light-textured soil and preparation method thereof | |
| CN103936344A (en) | Loess fly ash-based coal mine filling material, and filling method thereof | |
| CN105622023A (en) | Silt curing agent using furnace slags | |
| CN105130349A (en) | Foundation pit engineering waterproof curtain material based on industrial waste residue | |
| CN109400080A (en) | A kind of inorganic solidified flyash filler and preparation method thereof | |
| Wang et al. | The effects of salt-loss soda residue and oxalate acid on property and structure of fly ash-based geopolymer | |
| Chen et al. | Effect of activated gold tailings replacing fly ash on the properties of cement-based grouting material | |
| Migunthanna et al. | Investigation of waste clay brick as partial replacement in geopolymer binder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151129 |