CN109503092A - Early strong impervious, cement base grouting material of height containing graphene oxide and preparation method thereof - Google Patents
Early strong impervious, cement base grouting material of height containing graphene oxide and preparation method thereof Download PDFInfo
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- CN109503092A CN109503092A CN201811580738.4A CN201811580738A CN109503092A CN 109503092 A CN109503092 A CN 109503092A CN 201811580738 A CN201811580738 A CN 201811580738A CN 109503092 A CN109503092 A CN 109503092A
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- 239000004568 cement Substances 0.000 title claims abstract description 163
- 239000000463 material Substances 0.000 title claims abstract description 125
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 110
- 238000002360 preparation method Methods 0.000 title claims abstract description 53
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 50
- 239000004411 aluminium Substances 0.000 claims abstract description 50
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 21
- 239000000375 suspending agent Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000010881 fly ash Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 39
- 239000008367 deionised water Substances 0.000 claims description 22
- 229910021641 deionized water Inorganic materials 0.000 claims description 22
- 239000011259 mixed solution Substances 0.000 claims description 22
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 13
- 239000011707 mineral Substances 0.000 claims description 13
- 235000010755 mineral Nutrition 0.000 claims description 13
- 239000012286 potassium permanganate Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 11
- 238000013019 agitation Methods 0.000 claims description 11
- 239000011575 calcium Substances 0.000 claims description 11
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- 239000003643 water by type Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 229920005646 polycarboxylate Polymers 0.000 claims description 10
- 235000010344 sodium nitrate Nutrition 0.000 claims description 10
- 239000004317 sodium nitrate Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical group C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical group O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical group [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229940080314 sodium bentonite Drugs 0.000 claims description 3
- 229910000280 sodium bentonite Inorganic materials 0.000 claims description 3
- 239000000176 sodium gluconate Substances 0.000 claims description 3
- 229940005574 sodium gluconate Drugs 0.000 claims description 3
- 235000012207 sodium gluconate Nutrition 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 29
- 230000003487 anti-permeability effect Effects 0.000 abstract description 8
- 238000000498 ball milling Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 238000006703 hydration reaction Methods 0.000 abstract description 3
- 230000036571 hydration Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 20
- 238000007906 compression Methods 0.000 description 20
- 230000008595 infiltration Effects 0.000 description 19
- 238000001764 infiltration Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 150000004645 aluminates Chemical class 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 150000001336 alkenes Chemical class 0.000 description 7
- 239000004575 stone Substances 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- -1 0.06 part Chemical class 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- GTTYPHLDORACJW-UHFFFAOYSA-N nitric acid;sodium Chemical compound [Na].O[N+]([O-])=O GTTYPHLDORACJW-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
-
- 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention provides a kind of early impervious, cement base grouting material and preparation method thereof by force of the height containing graphene oxide, injecting paste material includes following components: 70~85 parts of sulphate aluminium cement, 10~20 parts of flyash, 5~10 parts of suspending agent, 0.75~1.25 part of water-reducing agent, 0.02~0.05 part of early strength agent, 0.2~0.8 part of defoaming agent, 1.0~2.5 parts of retarder, 0.05~0.2 part of graphene oxide, 50~60 parts of water；The preparation method of cement based grouting material, comprising: 1, the preparation of graphene oxide；2, raw material ball-milling treatment；3, the preparation of cement based grouting material；Cement based grouting material in the present invention passes through addition graphene oxide, the generation of sulphoaluminate cement base injecting paste material aquation early hydration microstructure portion defect can be effectively reduced, to improve the early strength of cement based grouting material, Seed harvest anti-permeability performance and endurance quality are enhanced.
Description
Technical field
The invention belongs to injecting paste material technical fields, and in particular to the early strong impervious, cement base slip casting of height containing graphene oxide
Material and preparation method thereof.
Background technique
Currently, common injecting paste material mainly includes chemical classes injecting paste material and cement class injecting paste material, compared to chemistry
Class injecting paste material, cement class injecting paste material is with raw material sources are wide, cheap, nontoxic, corrosion-resistant, consolidating strength is high, durable
The advantages that property is good, thus it is widely used in all kinds of Grouting engineering fields.
Sulphate aluminium cement is due to the hydration reaction of its mineral is fast significantly with setting time is short, strength development is fast, calculus
The features such as body microdilatancy are commonly used for preparing early-strength injecting paste material, to meet the needs of some special Grouting engineerings, such as fastly
Fast repairing, rapid reinforcement, water blockoff etc..However, generally requiring the biggish ratio of mud to guarantee the application property of slurries and the property infused
To guarantee the preferable mobility of cement slurry, this will certainly significantly reduce the early strength of sulphoaluminate cement base injecting paste material.
By the method for adding traditional early strength agent can promote to a certain extent early stage generate more hydrated products into
And sulphoaluminate cement base injecting paste material early strength is improved, but the effect machine that these traditional early strength agent pass through acceleration mineral aquation
System also causes accordingly forms excessive defect in early hydration micro-structure.This certainly will be to cement-based material slip casting Seed harvest
Early strength and anti-permeability performance generate larger negative effect.
Accordingly, it is desirable to provide a kind of be directed to the insufficient improved technology scheme of the above-mentioned prior art.
Summary of the invention
The early strong impervious, cement base grouting material of the height that the purpose of the present invention is to provide a kind of containing graphene oxide and its system
Preparation Method adds graphene oxide, Effective Regulation sulphoaluminate cement base injecting paste material early water by certain preparation process
Change micro-structure, reduce its internal structural defects, to be conducive to improve the early strength of cement based grouting material, enhances Seed harvest
Anti-permeability performance and endurance quality.
To achieve the goals above, the invention provides the following technical scheme:
A kind of early strong impervious, cement base grouting material of height containing graphene oxide, based on parts by weight, the cement base note
Pulp material includes following components: 70~85 parts of sulphate aluminium cement, 10~20 parts of flyash, 5~10 parts of suspending agent, water-reducing agent
0.75~1.25 part, 0.02~0.05 part of early strength agent, 0.2~0.8 part of defoaming agent, 1.0~2.5 parts of retarder, graphene oxide
0.05~0.2 part, 50~60 parts of water.
In the early strong impervious, cement base grouting material of the height as described above containing graphene oxide, it is preferable that the aluminium sulfate
Cement is fast gravity die sulphate aluminium cement；
Preferably, calcium sulfoaluminate minerals content is not less than 60wt% in sulphate aluminium cement.
In the early strong impervious, cement base grouting material of height as described above containing graphene oxide, it is preferable that the suspending agent is
Sodium bentonite.
In the early strong impervious, cement base grouting material of height as described above containing graphene oxide, it is preferable that the water-reducing agent is
Polycarboxylate water-reducer.
In the early strong impervious, cement base grouting material of height as described above containing graphene oxide, it is preferable that the early strength agent is
Lithium carbonate.
In the early strong impervious, cement base grouting material of height as described above containing graphene oxide, it is preferable that the defoaming agent is
Polyether antifoam agent.
In the early strong impervious, cement base grouting material of height as described above containing graphene oxide, it is preferable that the retarder is
Sodium gluconate.
A kind of preparation method of the early strong impervious, cement base grouting material of height containing graphene oxide, comprising the following steps:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S2, raw material disposal
Sulphate aluminium cement, flyash are weighed according to the proportion and are added in ball mill, suspending agent, intergrinding are added
Grain diameter to 95% is not more than 35um, obtains levigate siccative；
The preparation of S3, cement based grouting material
It is s31, water-reducing agent is soluble in water, the graphene oxide prepared in step S1 is then added, by quickly stirring and
Ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32, early strength agent, defoaming agent and retarder are dissolved in mixed solution, are uniformly mixing to obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Seep cement based grouting material slurry.
In the preparation method of the early strong impervious, cement base grouting material of the height as described above containing graphene oxide, it is preferable that step
The preparation method of graphene oxide described in rapid S1 includes the following steps:
S11,2~4g graphite, 60~80ml concentrated sulfuric acid and 1~3g sodium nitrate are added into container, 0 is cooled in ice bath
~5 DEG C, be slowly added to 10~20g potassium permanganate (being slowly added to by several times) under stirring condition), control should during reacting liquid temperature
In 0~15 DEG C of 2~4h of reaction；
S12, container is placed in 30~40 DEG C of waters bath with thermostatic control, continues 0.5~1h of stirring；Then under agitation slowly
50ml deionized water is added, so that reacting liquid temperature is reached 98 DEG C~100 DEG C, continues 15~60min of stirring after reaching temperature, reacts
Terminate, obtains mixed liquor；
S13, finally with 100~200ml deionized water by mixed liquor obtained in step s12 dilute, then be added 15~
25ml aqueous hydrogen peroxide solution obtains graphene oxide after washing, filtering.
In the preparation method of the early strong impervious, cement base grouting material of the height as described above containing graphene oxide, it is preferable that step
Stirring rate in rapid s31 is 150~200r/min, and ultrasonic power is 0.3~0.5W/cm；
Preferably, it needs to be slowly added to by several times in 30min when potassium permanganate is added in step s11.
Compared with the immediate prior art, technical solution provided by the invention has following excellent effect:
The present invention is directed to utilize graphene oxide two-dimensional nano material high tenacity, high tensile breakdown strength and nanocrystalline
Kind effect solves the existing technical problem of sulphoaluminate cement base injecting paste material, and advantage is mainly reflected in:
1) basicity of sulphoaluminate cement base injecting paste material slurries is low, is conducive to graphene oxide and sufficiently divides in its slurry
It dissipates, and then gives full play to the nucleating effect of graphene oxide, promote sulphoaluminate cement base injecting paste material early strength further
It improves；
2) organo-functional group of surface of graphene oxide carrying potentially acts as the effect of hydrated product nucleation site, Jin Erfa
Wave template action Effective Regulation aquation micro-structure；
3) graphene oxide potentially acts as the crackle bridge linking effect of " fiber " because of its higher tensile strength, and then effectively
The expansive force that the entringite that aquation later period sulphoaluminate cement base injecting paste material Seed harvest generates generates is offset, to prevent inside
The generation of micro-crack further enhances Seed harvest anti-permeability performance and endurance quality.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Impervious sulphoaluminate cement base injecting paste material by force of a kind of high morning provided by the invention, due to being added in injecting paste material
Graphene oxide, high tenacity, high tensile strength and its nanosized seeds effect that graphene oxide has two-dimension nano materials make
The sulphoaluminate cement base injecting paste material early strength with higher that must be prepared, graphene oxide regulate and control aquation micro-structure and
Crackle bridge effect can significantly improve the anti-permeability performance and durability of Seed harvest；
Sulphoaluminate cement base injecting paste material preparation method in the present invention, is broadly divided into three key steps, is first
The preparation of graphene oxide, followed by siccative raw material are subjected to ball milling, and the common ball milling of suspending agent is added, it is milled to certain journey
After degree, then the preparation of slurry is carried out, the early strong impervious sulphoaluminate cement base injecting paste material preparation method of height of the invention is simple, behaviour
Facilitate, and the early strength of cement based grouting material can be increased substantially, improves the impervious and endurance quality of Seed harvest.
A kind of high morning strong impervious, cement base grouting material provided by the invention, based on parts by weight, cement based grouting material
Including following components: 70~85 parts of sulphate aluminium cement (such as 71 parts, 72 parts, 73 parts, 74 parts, 75 parts, 76 parts, 77 parts, 78
Part, 79 parts, 80 parts, 81 parts, 82 parts, 83 parts), 10~20 parts of flyash (such as 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16
Part, 17 parts, 18 parts, 19 parts), 5~10 parts of suspending agent (such as 6 parts, 7 parts, 8 parts, 9 parts, 10 parts), 0.75~1.25 part of water-reducing agent
(such as 0.8 part, 0.85 part, 0.9 part, 0.95 part, 1 part, 1.05 parts, 1.1 parts, 1.15 parts, 1.2 parts), early strength agent 0.02~
0.05 part (such as 0.03 part, 0.04 part, 0.05 part), 0.2~0.8 part of defoaming agent (such as 0.3 part, 0.35 part, 0.4 part, 0.45
Part, 0.5 part, 0.55 part, 0.6 part, 0.65 part, 0.7 part, 0.75 part), 1.0~2.5 parts of retarder (such as 1.1 parts, 1.2 parts,
1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts, 2 parts, 2.1 parts, 2.2 parts, 2.3 parts, 2.4 parts), aoxidize stone
0.05~0.2 part of black alkene (such as 0.06 part, 0.07 part, 0.08 part, 0.09 part, 0.1 part, 0.11 part, 0.12 part, 0.13 part,
0.14 part, 0.15 part, 0.16 part, 0.17 part, 0.18 part, 0.19 part), 50~60 parts of water (such as 51 parts, 52 parts, 53 parts, 54
Part, 55 parts, 56 parts, 57 parts, 58 parts, 59 parts).
In a specific embodiment of the present invention, sulphate aluminium cement is fast gravity die sulphate aluminium cement；
Preferably, calcium sulfoaluminate minerals content is not less than 60wt% in sulphate aluminium cement.
In a specific embodiment of the present invention, suspending agent is sodium bentonite.
In a specific embodiment of the present invention, the water-reducing rate of water-reducing agent is not less than 25%；Preferably, water-reducing agent is polycarboxylic acids
Water-reducing agent.
In a specific embodiment of the present invention, early strength agent is lithium carbonate.
In a specific embodiment of the present invention, defoaming agent is polyether antifoam agent.
In a specific embodiment of the present invention, retarder is sodium gluconate.
For a further understanding of cement based grouting material of the invention, the present invention also provides a kind of high morning strong impervious, cements
The preparation method of base grouting material, comprising the following steps:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11, into container be added 2~4g (such as 2g, 2.5g, 3g, 3.5g, 4g) graphite, 60~80ml (such as 62ml,
64ml, 66ml, 68ml, 70ml, 72ml, 74ml, 76ml, 78ml) concentrated sulfuric acid and 1~3g (such as 1.5g, 2g, 2.5g) nitric acid
Sodium is cooled to 0~5 DEG C (such as 0 DEG C, 1 DEG C, 2 DEG C, 3 DEG C, 4 DEG C) in ice bath, and 10~20g (ratio is slowly added under stirring condition
Such as 12g, 14g, 16g, 18g) potassium permanganate (30min in is slowly added to by several times)), control should during reacting liquid temperature 0~
15 DEG C (such as 1 DEG C, 2 DEG C, 3 DEG C, 4 DEG C, 5 DEG C, 6 DEG C, 7 DEG C, 8 DEG C, 9 DEG C, 10 DEG C, 11 DEG C, 12 DEG C, 13 DEG C, 14 DEG C) reactions 2~
4h (such as 2.5h, 3h, 3.5h, 4h)；
S12, container is placed in 30~40 DEG C of (such as 32 DEG C, 34 DEG C, 36 DEG C, 38 DEG C, 40 DEG C) waters bath with thermostatic control, continues to stir
Mix 0.5~1h (such as 0.6h, 0.7h, 0.8h, 0.9h)；Then it is slowly added to 50ml deionized water under agitation, makes anti-
Answer liquid temperature to reach 98 DEG C~100 DEG C (such as 98 DEG C, 99 DEG C, 100 DEG C), reach continue after temperature 15~60min of stirring (such as
20min, 25min, 30min, 35min, 40min, 45min, 50min, 55min), reaction terminates, and obtains mixed liquor；
S13, finally with 100~200ml (such as 100ml, 120ml, 140ml, 160ml, 180ml, 200ml) deionized water
By mixed liquor obtained in step s12 dilute, then be added 15~25ml (such as 16ml, 17ml, 18ml, 19ml, 20ml,
21ml, 22ml, 23ml, 24ml) aqueous hydrogen peroxide solution, graphene oxide is obtained after washing, filtering.
S2, raw material disposal
Sulphate aluminium cement, flyash are weighed according to the proportion and are added in ball mill, suspending agent, intergrinding are added
Grain diameter to 95% is not more than 35um, obtains levigate siccative；
The preparation of S3, cement based grouting material
It is s31, water-reducing agent is soluble in water, the graphene oxide prepared in step S1 is then added, by quickly stirring and
Ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
In a specific embodiment of the present invention, the stirring rate in step s31 is 150~200r/min (such as 160r/
Min, 170r/min, 180r/min, 190r/min, 200r/min), ultrasonic power be 0.3~0.5W/cm (such as 0.3W/cm,
0.4W/cm、0.5W/cm)。
S32, early strength agent, defoaming agent and retarder are dissolved in mixed solution, are uniformly mixing to obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Seep cement based grouting material slurry.
Embodiment 1
A kind of high morning strong impervious, cement base grouting material provided in an embodiment of the present invention and preparation method thereof, according to such as the following group
Part and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,3g graphite, the 70ml concentrated sulfuric acid and 2g sodium nitrate are added into container, 5 DEG C are cooled in ice bath, stirring bar
15g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 15 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 40 DEG C of waters bath with thermostatic control, continues to stir 0.5h；Then it is slowly added under agitation
50ml deionized water makes reacting liquid temperature reach 98 DEG C, continues to stir 30min after reaching temperature, reaction terminates, mixed
Liquid；
S13, finally 150ml deionized water is used to dilute mixed liquor obtained in step s12,20ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
70 parts of sulphate aluminium cement, 20 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent is added
10 parts, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
65.5wt%.
The preparation of S3, cement based grouting material
S31,1.0 parts of polycarboxylate water-reducer are dissolved in 50 parts of water, the graphene oxide prepared in step S1 is then added
It 0.05 part, is quickly stirred by 150r/min and 0.3W/cm ultrasonic disperse makes graphene fully dispersed, obtain mixed solution；
S32,0.05 part of early strength agent, 0.2 part of defoaming agent and 1 part of retarder are dissolved in mixed solution, are stirred evenly
To mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 19.7MPa, and the infiltration coefficient of 28d is 86.8 × 10-8cm/s。
Embodiment 2
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,2g graphite, the 60ml concentrated sulfuric acid and 1g sodium nitrate are added into container, 5 DEG C are cooled in ice bath, stirring bar
10g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 15 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 35 DEG C of waters bath with thermostatic control, continues to stir 0.5h；Then it is slowly added under agitation
50ml deionized water makes reacting liquid temperature reach 98 DEG C, continues to stir 30min after reaching temperature, reaction terminates, mixed
Liquid；
S13, finally 100ml deionized water is used to dilute mixed liquor obtained in step s12,15ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
70 parts of sulphate aluminium cement, 20 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent is added
10 parts, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
65.5wt.%.
The preparation of S3, cement based grouting material
S31, by 1.25 parts of polycarboxylate water-reducer in 50 parts of water, the graphene oxide for preparing in step S1 is then added
It 0.1 part, is quickly stirred by 150r/min and 0.3W/cm ultrasonic disperse makes graphene fully dispersed, obtain mixed solution；
S32,0.04 part of early strength agent, 0.4 part of defoaming agent and 1.5 parts of retarder are dissolved in mixed solution, are stirred evenly
Obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 18.4MPa, and the infiltration coefficient of 28d is 95.3 × 10-8cm/s。
Embodiment 3
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,2g graphite, the 60ml concentrated sulfuric acid and 1g sodium nitrate are added into container, 5 DEG C are cooled in ice bath, stirring bar
10g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 15 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 30 DEG C of waters bath with thermostatic control, continues to stir 1h；Then it is slowly added to 50ml under agitation
Deionized water makes reacting liquid temperature reach 98 DEG C, continues to stir 30min after reaching temperature, reaction terminates, and obtains mixed liquor；
S13, finally 100ml deionized water is used to dilute mixed liquor obtained in step s12,15ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
80 parts of sulphate aluminium cement, 15 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent 5 is added
Part, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
65.5wt.%.
The preparation of S3, cement based grouting material
S31, by 1.0 parts of polycarboxylate water-reducer in 50 parts of water, 0.05 part of oxidation stone preparing in step S1 is then added
Black alkene, is quickly stirred by 150r/min and 0.3W/cm ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32,0.03 part of early strength agent, 0.4 part of defoaming agent and 1.5 parts of retarder are dissolved in mixed solution, are stirred evenly
Obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 20.1MPa, and the infiltration coefficient of 28d is 75.5 × 10-8cm/s。
Embodiment 4
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,3g graphite, the 70ml concentrated sulfuric acid and 2g sodium nitrate are added into container, 3 DEG C are cooled in ice bath, stirring bar
15g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 10 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 40 DEG C of waters bath with thermostatic control, continues to stir 1h；Then it is slowly added to 50ml under agitation
Deionized water makes reacting liquid temperature reach 100 DEG C, continues to stir 60min after reaching temperature, reaction terminates, and obtains mixed liquor；
S13, finally 150ml deionized water is used to dilute mixed liquor obtained in step s12,25ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
80 parts of sulphate aluminium cement, 15 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent 5 is added
Part, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
72.4wt.%.
The preparation of S3, cement based grouting material
S31, by 1.0 parts of polycarboxylate water-reducer in 50 parts of water, 0.1 part of graphite oxide preparing in step S1 is then added
Alkene, is quickly stirred by 150r/min and 0.3W/cm ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32,0.03 part of early strength agent, 0.6 part of defoaming agent and 2 parts of retarder are dissolved in mixed solution, are stirred evenly
To mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 19.9MPa, and the infiltration coefficient of 28d is 80.1 × 10-8cm/s。
Embodiment 5
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,3g graphite, the 70ml concentrated sulfuric acid and 2g sodium nitrate are added into container, 3 DEG C are cooled in ice bath, stirring bar
15g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 10 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 35 DEG C of waters bath with thermostatic control, continues to stir 1h；Then it is slowly added to 50ml under agitation
Deionized water makes reacting liquid temperature reach 100 DEG C, continues to stir 60min after reaching temperature, reaction terminates, and obtains mixed liquor；
S13, finally 150ml deionized water is used to dilute mixed liquor obtained in step s12,23ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
85 parts of sulphate aluminium cement, 10 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent 5 is added
Part, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
72.4wt.%.
The preparation of S3, cement based grouting material
S31, by 1.25 parts of polycarboxylate water-reducer in 50 parts of water, 0.1 part of oxidation stone preparing in step S1 is then added
Black alkene, is quickly stirred by 200r/min and 0.5W/cm ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32,0.02 part of early strength agent, 0.8 part of defoaming agent and 2.5 parts of retarder are dissolved in mixed solution, are stirred evenly
Obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 16.2MPa, and the infiltration coefficient of 28d is 85.6 × 10-8cm/s。
Embodiment 6
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,4g graphite, the 80ml concentrated sulfuric acid and 3g sodium nitrate are added into container, 0 DEG C are cooled in ice bath, stirring bar
20g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 10 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 30 DEG C of waters bath with thermostatic control, continues to stir 1h；Then it is slowly added to 50ml under agitation
Deionized water makes reacting liquid temperature reach 100 DEG C, continues to stir 60min after reaching temperature, reaction terminates, and obtains mixed liquor；
S13, finally 200ml deionized water is used to dilute mixed liquor obtained in step s12,25ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
85 parts of sulphate aluminium cement, 10 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent 5 is added
Part, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
72.4wt.%.
The preparation of S3, cement based grouting material
S31, by 1.25 parts of polycarboxylate water-reducer in 50 parts of water, 0.2 part of oxidation stone preparing in step S1 is then added
Black alkene, is quickly stirred by 200r/min and 0.5W/cm ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32,0.04 part of early strength agent, 0.8 part of defoaming agent and 2.5 parts of retarder are dissolved in mixed solution, are stirred evenly
Obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 17MPa, and the infiltration coefficient of 28d is 93.7 × 10-8cm/s。
Embodiment 7
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,4g graphite, the 80ml concentrated sulfuric acid and 3g sodium nitrate are added into container, 3 DEG C are cooled in ice bath, stirring bar
20g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 5 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 40 DEG C of waters bath with thermostatic control, continues to stir 1h；Then it is slowly added to 50ml under agitation
Deionized water makes reacting liquid temperature reach 99 DEG C, continues to stir 60min after reaching temperature, reaction terminates, and obtains mixed liquor；
S13, finally 200ml deionized water is used to dilute mixed liquor obtained in step s12,20ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
80 parts of sulphate aluminium cement, 15 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent 5 is added
Part, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
76.8wt.%.
The preparation of S3, cement based grouting material
S31, by 0.75 part of polycarboxylate water-reducer in 60 parts of water, 0.1 part of oxidation stone preparing in step S1 is then added
Black alkene, is quickly stirred by 200r/min and 0.5W/cm ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32,0.04 part of early strength agent, 0.2 part of defoaming agent and 1.5 parts of retarder are dissolved in mixed solution, are stirred evenly
Obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 14.2MPa, and the infiltration coefficient of 28d is 10.3 × 10-7cm/s。
Embodiment 8
A kind of strong impervious, cement base grouting material of high morning and preparation method thereof, according to following component and step:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S11,3g graphite, the 70ml concentrated sulfuric acid and 2g sodium nitrate are added into container, 4 DEG C are cooled in ice bath, stirring bar
14g potassium permanganate (being slowly added to by several times in 30min) is slowly added under part, reacting liquid temperature is reacted at 5 DEG C during control is somebody's turn to do
3h；
S12, container is placed in 30 DEG C of waters bath with thermostatic control, continues to stir 1h；Then it is slowly added to 50ml under agitation
Deionized water makes reacting liquid temperature reach 99 DEG C, continues to stir 60min after reaching temperature, reaction terminates, and obtains mixed liquor；
S13, finally 150ml deionized water is used to dilute mixed liquor obtained in step s12,20ml peroxidating is then added
Aqueous solution of hydrogen obtains graphene oxide after washing, filtering.
S2, raw material disposal
80 parts of sulphate aluminium cement, 15 parts of flyash are weighed according to the proportion and are added in ball mill, suspending agent 5 is added
Part, the grain diameter of intergrinding to 95% is not more than 35um, obtains levigate siccative；
Sulphate aluminium cement is fast gravity die sulphate aluminium cement, and calcium sulfoaluminate minerals content is in sulphate aluminium cement
76.8wt.%.
The preparation of S3, cement based grouting material
S31, by 1.0 parts of polycarboxylate water-reducer in 60 parts of water, 0.2 part of graphite oxide preparing in step S1 is then added
Alkene, is quickly stirred by 200r/min and 0.5W/cm ultrasonic disperse makes graphene fully dispersed, obtains mixed solution；
S32,0.04 part of early strength agent, 0.4 part of defoaming agent and 1.5 parts of retarder are dissolved in mixed solution, are stirred evenly
Obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong anti-
Sulfurizing aluminate cement base grouting material slurry.
The early strong impervious sulphoaluminate cement base injecting paste material of the height prepared in the present embodiment is tested for the property, 12h's
Seed harvest compression strength is 15.5MPa, and the infiltration coefficient of 28d is 83.6 × 10-7cm/s。
Reference examples 1
Reference examples 1 and are added without graphene oxide in step s31 the difference from embodiment 1 is that omit step S1, other
Step is same as Example 1, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 12.7MPa, 28d are 377.2 × 10-8cm/s。
Reference examples 2
Reference examples 2 and are added without graphene oxide in step s31 the difference from example 2 is that omit step S1, other
Step is same as Example 2, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 12.5MPa, 28d are 381.1 × 10-8cm/s。
Reference examples 3
The difference of reference examples 3 and embodiment 3 is to omit step S1, and is added without graphene oxide in step s31, other
Step is same as Example 3, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 15.2MPa, 28d are 444 × 10-8cm/s。
Reference examples 4
The difference of reference examples 4 and embodiment 4 is to omit step S1, and is added without graphene oxide in step s31, other
Step is same as Example 4, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 14.9MPa, 28d are 421.5 × 10-8cm/s。
Reference examples 5
The difference of reference examples 5 and embodiment 5 is to omit step S1, and is added without graphene oxide in step s31, other
Step is same as Example 5, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 13.3MPa, 28d are 388.9 × 10-8cm/s。
Reference examples 6
The difference of reference examples 6 and embodiment 6 is to omit step S1, and is added without graphene oxide in step s31, other
Step is same as Example 6, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 13.4MPa, 28d are 407.3 × 10-8cm/s。
Reference examples 7
The difference of reference examples 7 and embodiment 7 is to omit step S1, and is added without graphene oxide in step s31, other
Step is same as Example 7, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 9.8MPa, 28d are 643.1 × 10-7cm/s。
Reference examples 8
The difference of reference examples 8 and embodiment 8 is to omit step S1, and is added without graphene oxide in step s31, other
Step is same as Example 8, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 10.4MPa, 28d are 557.6 × 10-7cm/s。
Reference examples 9
Reference examples 9 are the difference from embodiment 1 is that change the step S2, step S2 chinese raw materials sulphate aluminium cement and fine coal
Ash is without ball-milling treatment, other steps are same as Example 1, and details are not described herein.
The cement based grouting material prepared in this reference examples is tested for the property, the Seed harvest compression strength of 12h is
The infiltration coefficient of 13.5MPa, 28d are 454.2 × 10-8cm/s。
The performance comparison data of sulphoaluminate cement base injecting paste material prepared by Examples 1 to 8 and reference examples 1~9 are as follows
Shown in table 1.
The cement based grouting material performance prepared in the different embodiments of table 1 and reference examples
After in above-mentioned table 1 it is known that being mixed with graphene oxide in cement based grouting material, material is anti-after 12h
Compressive Strength increases than being not incorporated into the compression strength of graphene oxide accordingly, and wherein early strength is compared in embodiment 1
55% is improved in reference examples 1.
And infiltration coefficient statistics indicate that, after being mixed with graphene oxide, the impermeability of cement based grouting material has
It is improved, the impervious coefficient of material that the impervious coefficient after the 28d of embodiment is below in corresponding reference examples, wherein embodiment 1
Middle infiltration coefficient reduces 77% compared to reference examples 1, illustrate in embodiment 1 be added graphene oxide after cement based grouting material
Anti-permeability performance greatly improve, improve the durability of injecting paste material.
And in reference examples 9, the sulphate aluminium cement and flyash in raw material are without ball-milling treatment, the sulphur aluminic acid of preparation
The performance of salt cement base grouting material, compression strength and anti-permeability performance are not so good as the material property by ball-milling treatment.It is infused after 12h
The Seed harvest compression strength embodiment 1 of pulp material improves 1 phase of impervious following Examples after 45%, 28d compared to reference examples 9
Than reducing 80% in reference examples 9, illustrate the impermeability of cement based grouting material after 1 chinese raw materials of embodiment carries out ball-milling treatment
It can greatly improve, improve the durability of injecting paste material.
In summary: it is additional according to certain technique and proportion addition that the present invention prepares sulphoaluminate cement base injecting paste material
After agent and graphene oxide, since the high tenacity and high tensile damage capability and nanometer of graphene oxide composite material are nucleated effect
It answers, solves caused sulphoaluminate cement base injecting paste material aquation micro-structure after early strength agent is added in conventional method and formed excessively
Defect, thus the problem of having a negative impact to Seed harvest early strength and reduce impermeability.
Why graphene oxide can be improved the early strength of cement based grouting material and the permeance property of Seed harvest
Main reason is that:
1, the basicity of sulphoaluminate cement base injecting paste material slurries is low, is conducive to graphene oxide and sufficiently divides in its slurry
It dissipates, and then gives full play to the nucleating effect of graphene oxide, promote sulphoaluminate cement base injecting paste material early strength further
It improves.
2, the organo-functional group of surface of graphene oxide carrying potentially acts as the effect of hydrated product nucleation site, Jin Erfa
Wave template action Effective Regulation aquation micro-structure.
3, graphene oxide potentially acts as the crackle bridge linking effect of " fiber " because of its higher tensile strength, and then effectively
The expansive force for offsetting the entringite that aquation later period sulphoaluminate cement base injecting paste material Seed harvest generates, prevents internal tiny crack
It generates, enhances Seed harvest anti-permeability performance and endurance quality.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of early strong impervious, cement base grouting material of height containing graphene oxide, which is characterized in that based on parts by weight, described
Cement based grouting material includes following components: 70~85 parts of sulphate aluminium cement, 10~20 parts of flyash, 5~10 parts of suspending agent,
0.75~1.25 part of water-reducing agent, 0.02~0.05 part of early strength agent, 0.2~0.8 part of defoaming agent, 1.0~2.5 parts of retarder, oxidation
0.05~0.2 part of graphene, 50~60 parts of water.
2. the early strong impervious, cement base grouting material of height as described in claim 1 containing graphene oxide, which is characterized in that described
Sulphate aluminium cement is fast gravity die sulphate aluminium cement；
Preferably, calcium sulfoaluminate minerals content is not less than 60wt% in sulphate aluminium cement.
3. the early strong impervious, cement base grouting material of height as described in claim 1 containing graphene oxide, which is characterized in that described
Suspending agent is sodium bentonite.
4. the early strong impervious, cement base grouting material of height as described in claim 1 containing graphene oxide, which is characterized in that described
Water-reducing agent is polycarboxylate water-reducer.
5. the early strong impervious, cement base grouting material of height as described in claim 1 containing graphene oxide, which is characterized in that described
Early strength agent is lithium carbonate.
6. the early strong impervious, cement base grouting material of height as described in claim 1 containing graphene oxide, which is characterized in that described
Defoaming agent is polyether antifoam agent.
7. the early strong impervious, cement base grouting material of height as described in claim 1 containing graphene oxide, which is characterized in that described
Retarder is sodium gluconate.
8. a kind of early strong impervious, cement base grouting material of the height as described in any one of claims 1 to 7 containing graphene oxide
Preparation method, which comprises the following steps:
The preparation of S1, graphene oxide
Graphene oxide is prepared using Hummers method；
S2, raw material disposal
Sulphate aluminium cement, flyash are weighed according to the proportion and are added in ball mill, adds suspending agent, intergrinding is extremely
95% grain diameter is not more than 35um, obtains levigate siccative；
The preparation of S3, cement based grouting material
It is s31, water-reducing agent is soluble in water, the graphene oxide prepared in step S1 is then added, by quickly stirring and ultrasound
Dispersion obtains mixed solution so that graphene is fully dispersed；
S32, early strength agent, defoaming agent and retarder are dissolved in mixed solution, are uniformly mixing to obtain mix liquid；
S33, levigate siccative processed in step S2 is added to mix liquid, is obtained after mixing evenly high early strong waterproof
Mud base grouting material slurry.
9. the preparation method of the early strong impervious, cement base grouting material of height as claimed in claim 8 containing graphene oxide, special
Sign is that the preparation method of graphene oxide described in step S1 includes the following steps:
S11,2~4g graphite, 60~80ml concentrated sulfuric acid and 1~3g sodium nitrate are added into container, 0~5 is cooled in ice bath
DEG C, be slowly added to 10~20g potassium permanganate under stirring condition, control should during reacting liquid temperature react 2 at 0~15 DEG C~
4h；
S12, container is placed in 30~40 DEG C of waters bath with thermostatic control, continues 0.5~1h of stirring；Then it is slowly added under agitation
50ml deionized water makes reacting liquid temperature reach 98 DEG C~100 DEG C, continues 15~60min of stirring, reaction knot after reaching temperature
Beam obtains mixed liquor；
S13, finally with 100~200ml deionized water by mixed liquor obtained in step s12 dilute, then be added 15~25ml
Aqueous hydrogen peroxide solution obtains graphene oxide after washing, filtering.
10. the preparation method of the early strong impervious, cement base grouting material of height as claimed in claim 8 containing graphene oxide, special
Sign is that the stirring rate in step s31 is 150~200r/min, and ultrasonic power is 0.3~0.5W/cm；
Preferably, it needs to be slowly added to by several times in 30min when potassium permanganate is added in step s11.
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| CN112430035A (en) * | 2020-11-25 | 2021-03-02 | 江南大学 | Graphene oxide-pervious concrete composite material and preparation method thereof |
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| CN113716923A (en) * | 2021-09-13 | 2021-11-30 | 湖北恒利建材科技有限公司 | Cement-based grouting material for semi-flexible mixture and preparation method thereof |
| CN114455905A (en) * | 2022-01-20 | 2022-05-10 | 天津大学 | Slow-setting type cement-based bag-type grouting material |
| CN115368076A (en) * | 2022-08-24 | 2022-11-22 | 广州市岩土勘测设计有限公司 | Novel grouting material for water-rich fractured zone stratum and preparation method thereof |
| CN115849822A (en) * | 2022-12-13 | 2023-03-28 | 佛山巧鸾科技有限公司 | Cement-based composite material containing coal-based carbon nano polymorphic crystals and preparation method thereof |
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| CN113716923A (en) * | 2021-09-13 | 2021-11-30 | 湖北恒利建材科技有限公司 | Cement-based grouting material for semi-flexible mixture and preparation method thereof |
| CN114455905A (en) * | 2022-01-20 | 2022-05-10 | 天津大学 | Slow-setting type cement-based bag-type grouting material |
| CN115368076A (en) * | 2022-08-24 | 2022-11-22 | 广州市岩土勘测设计有限公司 | Novel grouting material for water-rich fractured zone stratum and preparation method thereof |
| CN115849822A (en) * | 2022-12-13 | 2023-03-28 | 佛山巧鸾科技有限公司 | Cement-based composite material containing coal-based carbon nano polymorphic crystals and preparation method thereof |
| CN115849822B (en) * | 2022-12-13 | 2023-11-07 | 佛山巧鸾科技有限公司 | Cement-based composite material containing coal-based carbon nano polymorphous crystal and preparation method thereof |
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