CN116081972A - Preparation method of superfine micro-nano scale active admixture and linked grouting material - Google Patents
Preparation method of superfine micro-nano scale active admixture and linked grouting material Download PDFInfo
- Publication number
- CN116081972A CN116081972A CN202310165997.5A CN202310165997A CN116081972A CN 116081972 A CN116081972 A CN 116081972A CN 202310165997 A CN202310165997 A CN 202310165997A CN 116081972 A CN116081972 A CN 116081972A
- Authority
- CN
- China
- Prior art keywords
- parts
- nano
- grouting material
- river sand
- powder
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000843 powder Substances 0.000 claims abstract description 56
- 239000004576 sand Substances 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 17
- 239000010881 fly ash Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 16
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims abstract description 15
- 239000013530 defoamer Substances 0.000 claims abstract description 15
- 239000004088 foaming agent Substances 0.000 claims abstract description 15
- 229920005646 polycarboxylate Polymers 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 8
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims abstract description 6
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 6
- 239000010440 gypsum Substances 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 26
- 239000010438 granite Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000004579 marble Substances 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 14
- 239000005543 nano-size silicon particle Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 238000007580 dry-mixing Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 12
- 239000002910 solid waste Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 102000002151 Microfilament Proteins Human genes 0.000 claims description 5
- 108010040897 Microfilament Proteins Proteins 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 210000003632 microfilament Anatomy 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 8
- 239000011707 mineral Substances 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 239000004480 active ingredient Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000003469 silicate cement Substances 0.000 abstract description 2
- 239000011800 void material Substances 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 239000012190 activator Substances 0.000 description 4
- 230000002929 anti-fatigue Effects 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011374 ultra-high-performance concrete Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241001248533 Euchloe ausonides Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008689 nuclear function Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/048—Granite
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/068—Specific natural sands, e.g. sea -, beach -, dune - or desert sand
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
- C04B14/285—Marble
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/48—Metal
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/146—Silica fume
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/124—Amides
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
-
- 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
- C04B2111/00008—Obtaining or using nanotechnology related materials
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a preparation method of an ultrafine micro-nano scale active admixture and a linked grouting material, wherein the grouting material comprises the following components in percentage by mass: 25-38% of cement, 5-14% of glass beads, 2-5% of silica fume, 5-20% of superfine micro-nano scale active admixture, 2-5% of high-strength fiber, 0.1-1% of toughening fiber, 0.2-0.4% of polycarboxylate water reducer, 0-0.02% of defoamer, 0-0.04% of foaming agent, 28-42% of river sand and 12-18% of ground river sand; the invention uses the common silicate cement, the industrial gypsum and the compound of calcium bicarbonate as the active excitant of the mineral admixture to jointly act with the high-efficiency water reducing agent to excite the activity of the mineral admixture, so that the active ingredients of the fly ash and the slag powder in the mineral admixture are fully excited, various pores formed in the hardening process of the grouting material are filled, the void ratio of the grouting material is reduced, and the grouting material has excellent erosion resistance and durability.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a preparation method of an ultrafine nano-scale active admixture and a linked grouting material.
Background
The cement-based grouting material is a main material in grouting engineering due to wide sources, low price and convenient use. However, the common cement grouting material is brittle, has the characteristics of low tensile strength, poor cracking resistance, no ductility and brittle failure, has poor fluidity at a low water-cement ratio, and cannot meet the requirements of certain special grouting. Along with the rapid development of society, the additive industry also puts forward higher demands on grouting materials, for example, high-strength anti-fatigue load connection is required for some steel structure connection sections and steel-concrete structure transition connection sections, and the mixture is required to have ultrahigh fluidity to meet construction requirements, and has micro-expansibility to achieve the best connection effect after hardening, so that no mature product exists in China with higher preparation difficulty.
Disclosure of Invention
The invention provides a preparation method of an ultrafine micro-nano scale active admixture and a linked grouting material, wherein industrial solid wastes such as steel slag, fly ash, slag, marble powder and granite powder are used in the admixture, so that the problem that the industrial solid waste admixture can effectively improve the added value of the industrial solid wastes, reduce the preparation cost of ultra-high performance concrete and has a gain effect on the performance of the ultra-high performance concrete is solved.
The technical scheme adopted for achieving the purposes of the invention is as follows:
the superfine nano-scale active admixture comprises, by weight, 30-50 parts of slag, 20-50 parts of steel slag, 10-50 parts of fly ash, 1-10 parts of marble powder, 2-10 parts of granite powder, 2-8 parts of nano-calcium carbonate, 2-8 parts of nano-silica and 1-10 parts of an exciting agent.
Further, the superfine micro-nano scale active admixture comprises 40-50 parts of slag, 40-50 parts of steel slag, 20-50 parts of fly ash, 1-5 parts of marble powder, 2-5 parts of granite powder, 2-5 parts of nano calcium carbonate, 2-5 parts of nano silicon oxide and 2-6 parts of excitant.
Further, the superfine micro-nano scale active admixture comprises 40 parts of slag, 40 parts of steel slag, 20 parts of fly ash, 3 parts of marble powder, 3 parts of granite powder, 6 parts of nano calcium carbonate, 6 parts of nano silicon oxide and 5 parts of excitant.
Further, the largeMarble powder and granite powder are waste powder produced when marble and granite are cut by stone mill, and their specific surface area is greater than 680m 2 Per kg, the average particle size is less than 35 μm; marble powder and granite powder can reduce the cement consumption and comprehensively utilize resources; the exciting agent is prepared from industrial gypsum and calcium bicarbonate according to the weight ratio of 1: 1.
Further, the steel slag is stainless steel slag, the alkalinity is 1.2-2.0, the grain size is 0.5-10 mu m, and the chemical components are as follows: 20-30wt% of silicon dioxide, 5-10wt% of aluminum oxide, 10-15wt% of ferric oxide, 42-50wt% of calcium oxide, 4-6wt% of magnesium oxide, 0-0.02wt% of potassium oxide, 0.1-0.3wt% of sodium oxide and the balance of other impurities.
Further, the fly ash is fine solid particles in flue gas ash generated by combustion of power plant fuel, wherein the mass percentage of SiO2 is more than 50wt%, the mass percentage of Al2O3 is more than 30wt%, and the screen residue of a 45 μm square hole screen is less than 20%.
The conventional exciting agent for the fly ash is a single salt exciting agent, and can only simply excite the activity of the fly ash, so that the durability of the concrete is not improved. The exciting agent adopted by the invention is prepared from industrial gypsum and calcium bicarbonate according to the weight ratio of 1:1, good excitation effect, small mixing amount and low cost.
The invention also provides a preparation method of the superfine micro-nano scale active admixture, which comprises the following steps:
step 1: adding slag, fly ash and steel slag into a ball mill according to the required weight parts for grinding; ball milling for 30-60 min to obtain industrial solid waste powder;
step 2: adding marble powder, granite powder, nano calcium carbonate and nano silicon oxide into the industrial solid waste powder obtained in the step 1, and continuously starting a ball mill to grind; grinding for 20-40 min in a ball mill to obtain nano modified industrial solid waste powder, namely the superfine nano scale active admixture.
The invention also provides a grouting material containing the superfine micro-nano scale active admixture, which comprises the following components in percentage by mass: 25 to 38 percent of cement, 5 to 14 percent of glass beads, 2 to 5 percent of silica fume, 5 to 20 percent of superfine micro-nano scale active admixture, 2 to 5 percent of high-strength fiber, 0.1 to 1 percent of toughening fiber, 0.2 to 0.4 percent of polycarboxylate water reducer, 0 to 0.02 percent of defoamer, 0 to 0.04 percent of foaming agent, 28 to 42 percent of river sand and 12 to 18 percent of ground river sand.
Further, the cement is ordinary Portland cement, and the strength grade is not lower than 42.5; the polycarboxylate water reducer and the defoamer are both powder, the water reducing rate of the polycarboxylate water reducer is not less than 25%, and the defoamer is organic silicon.
Further, the activity index of the silica fume 28d is 100-106 percent, siO 2 The content is not less than 95%, and the average grain diameter is 0.5-3 μm.
Further, the foaming agent is amide organic powder, and can be decomposed to generate nitrogen in an alkaline environment; the river sand is prepared by sieving natural river sand with the water content of less than 0.1%, and the grain diameter of the natural river sand is 0.15-1.18 mm; the ground river sand is prepared by grinding natural river sand, and the average grain diameter is 0.08-0.15 mm.
Further, the high-strength fiber is copper-plated microfilament steel fiber, the average length is 4-8 mm, the diameter is 0.1-0.2mm, and the tensile strength is not lower than 2850MPa. The copper-plated microfilament steel fiber has better mechanical property, high temperature resistance and corrosion resistance, can inhibit shrinkage cracking of concrete in the whole service life when applied to the concrete, and improves the cracking resistance. Simultaneously, the nano active material and the crystal nucleus function, the filling function and the high activity of the superfine mineral admixture are added, so that the cracking of the concrete can be effectively solved, and the compactness is improved; the copper-plated microfilament steel fibers can form a three-dimensional random support lap joint system in concrete, so that shrinkage stress of the concrete is effectively dispersed, and the cracking risk is reduced.
Further, the toughening fiber is glass fiber, the average length is 50-100 mu m, and the diameter is 5-10 mu m. The glass fiber can reduce the crack of the concrete and enable the crystal generated at the crack position to be quickly stabilized if the crack is easy to be expanded into penetrating crack once the crack occurs after the concrete is hardened. The glass fiber forms a disordered fiber network in the concrete, so that the generation of cracks in the concrete can be effectively inhibited, the expansion of the cracks under external force is prevented, and the cracks can be effectively reduced.
The invention also provides a preparation method of the grouting material, which comprises the following steps:
(1) According to the required mass percentage, respectively taking 25-38% of cement, 5-14% of glass microsphere, 2-5% of silica fume, 5-20% of superfine micro-nano scale active admixture, 2-5% of high-strength fiber, 0.1-1% of toughening fiber, 0.2-0.4% of polycarboxylate water reducer, 0-0.02% of defoamer, 0-0.04% of foaming agent, 28-42% of river sand and 12-18% of ground river sand for standby;
(2) Grinding natural river sand in a ball mill until the average grain diameter is 0.08-0.15 mm to obtain ground river sand;
(3) Dry mixing river sand and ground river sand in the dry mixer according to the proportion weighed in the step (1) for 5min, and stopping;
(4) Adding the cement, the glass beads, the silica fume, the superfine micro-nano scale active admixture, the high-strength fiber and the toughening fiber which are weighed in the step (1) into a dry mixer, starting up again, continuing dry mixing for 5min, and stopping;
(5) Uniformly scattering the polycarboxylate water reducer, the defoamer and the foaming agent weighed in the step (1) in a dry mixing machine starting state, and continuously dry-mixing for 20min to obtain the grouting material;
(6) Filling the grouting material prepared in the step (5) into an inner film packaging bag, and sealing and storing.
Further, the glass beads are winnowing ultrafine fly ash glass beads, and the average particle size is 1-5 mu m;
the glass beads of the invention can greatly reduce the viscosity of the mixture, and mainly comprise SiO 2 And the cement has high pozzolanic activity in the form of vitreous form, and can be filled between cement particles to improve strength and durability. The particle size of the nano calcium carbonate is 100-200nm, and the particle size of the nano silicon oxide is 100-150nm. The weight ratio of the nano silicon dioxide to the nano calcium carbonate is 1:1, nano silicon dioxide and nano calcium carbonate are mixed with superfine mineralsThe mixture is filled and hydrated in the concrete, and crystallization nucleation points are provided, so that the concrete is more uniform and compact, and the mechanical strength and durability are improved.
Advantageous effects
1. The invention uses the common silicate cement, the industrial gypsum and the compound of calcium bicarbonate as the active excitant of the mineral admixture to jointly act with the high-efficiency water reducing agent to excite the activity of the mineral admixture, so that the active ingredients of the fly ash and the slag powder in the mineral admixture are further excited, and various pores formed in the hardening process of the concrete are filled, thereby increasing the compactness of the concrete, reducing the void ratio of the concrete and obtaining excellent erosion resistance and durability of the concrete.
2. Because the superposition effect can be generated by mutually compounding a plurality of mineral admixtures with different sizes, the invention combines cement, silica fume, glass beads, marble powder and granite powder according to a certain proportion to form an ultra-high performance cementing system, combines screened river sand and ground river sand according to a certain proportion to form a grouting material aggregate system, simultaneously adopts a polycarboxylate water reducing agent to reduce the water demand of the system, introduces a defoaming agent to eliminate harmful bubbles generated in the stirring process of the mixture, introduces a foaming agent to generate nitrogen in an alkaline environment to inhibit the shrinkage of the grouting material in the plastic stage, introduces the toughness of the steel fiber reinforced grouting material, and finally realizes the high fluidity, low viscosity, low shrinkage, high toughness, ultra-high strength and ultra-high durability of the high-strength anti-fatigue load steel-concrete connection grouting material under the normal temperature condition.
Detailed Description
The present invention will be described in detail with reference to the following examples, but the scope of the present invention is not limited to the following examples.
Example 1
The superfine nano-scale active admixture comprises 40 parts of slag, 40 parts of steel slag, 20 parts of fly ash, 5 parts of marble powder, 5 parts of granite powder, 5 parts of nano-calcium carbonate, 5 parts of nano-silicon oxide and 5 parts of exciting agent in parts by weight;
the specific surface area of the granite powder is 750m 2 Kg, average particle size 25 μm;
the marble powder has a specific surface area of 720m 2 kg, average particle diameter of 28 μm
The exciting agent is prepared from industrial gypsum and calcium bicarbonate according to the weight ratio of 1: 1.
The preparation method of the superfine micro-nano scale active admixture comprises the following steps:
step 1: adding slag, fly ash and steel slag into a ball mill according to the required weight parts for grinding; ball milling for 30-60 min to obtain industrial solid waste powder;
step 2: adding marble powder, granite powder, nano calcium carbonate and nano silicon oxide into the industrial solid waste powder obtained in the step 1, and continuously starting a ball mill to grind; grinding for 40min by a ball mill to obtain nano modified industrial solid waste powder, namely the superfine micro-nano scale active admixture.
Example 2
The grouting material containing the ultrafine nano-scale active admixture obtained in the embodiment 1 comprises the following components in percentage by mass: 27.8% of cement, 9.5% of glass beads, 4.6% of silica fume, 11.4% of superfine micro-nano scale active admixture, 2% of high-strength fiber, 1% of toughening fiber, 0.38% of polycarboxylate water reducer, 0.01% of defoamer, 0.01% of foaming agent, 30.4% of river sand and 12.9% of ground river sand.
The activity index of the silica fume 28d is 102 percent, siO 2 98% and an average particle size of 0.18. Mu.m.
The defoaming agent is polysiloxane defoaming agent; the foaming agent is certain azoamide organic powder; the grain diameter of river sand is 0.15-1.18 mm, the continuous grading is carried out, and the mud content is less than 1%; grinding the ground river sand by adopting a ball mill, wherein the average grain diameter is 0.12mm.
The high-strength fiber is copper-plated microfilament steel fiber, the average length is 8mm, the diameter is 0.15mm, and the tensile strength is 2850MPa.
The toughening fiber is glass fiber, the length is 80 mu m, and the diameter is 8 mu m.
The preparation method of the grouting material comprises the following steps:
(1) Respectively taking cement, glass beads, silica fume, superfine micro-nano scale active admixture, high-strength fiber, toughening fiber, polycarboxylate water reducer, defoamer, foaming agent, river sand and ground river sand according to the required mass percentage for standby;
(2) Grinding natural river sand in a ball mill until the average grain diameter is 0.12mm to obtain ground river sand;
(3) Dry mixing river sand and ground river sand in the dry mixer according to the proportion weighed in the step (1) for 5min, and stopping;
(4) Adding the cement, the glass beads, the silica fume, the superfine micro-nano scale active admixture, the high-strength fiber and the toughening fiber which are weighed in the step (1) into a dry mixer, starting up again, continuing dry mixing for 5min, and stopping;
(5) Uniformly scattering the polycarboxylate water reducer, the defoamer and the foaming agent weighed in the step (1) in a dry mixing machine starting state, and continuously dry-mixing for 20min to obtain the grouting material;
(6) Filling the grouting material prepared in the step (5) into an inner film packaging bag, and sealing and storing.
Comparative example 1
Comparative example 1 differs from example 1 only in that 7 parts of activator are used;
comparative example 2
Comparative example 2 differs from example 1 only in 3 parts of activator used;
comparative example 3
Comparative example 3 differs from example 1 only in that 1 part of activator is used;
comparative example 4
Comparative example 3 differs from example 1 only in that 0 parts of activator is used;
comparative example 5
Comparative example 4 differs from example 2 only in that 29.3% cement, 8.0% glass beads, 0.02% defoamer, 0% blowing agent
Comparative example 6
Comparative example 5 differs from example 2 only in that 3.6% of the silica fume and 12.4% of the ultrafine microscale active admixture are used.
Active excitation test of superfine micro-nano scale active admixture
The activity index of the ultra-fine powder was tested with reference to GB/T18046-2017 granulated blast furnace slag powder for use in cement, mortar and concrete.
The ultra-fine micro-nano scale active admixture performance in example 1, comparative examples 1-4 was tested using a test ball mill (SM-500 x 500) and the results are shown in table 1 below.
TABLE 1
The result shows that the activity index of the superfine micro-nano scale active admixture 7d exceeds 90%, the activity index of the superfine micro-nano scale active admixture 28d exceeds 110%, and the addition of the excitant further improves the activity index of the superfine micro-nano scale active admixture.
Grouting material performance test
The fluidity and expansion ratio of the grouting material are tested by referring to GB/T50448-2015 technical Specification for cement-based grouting material application, and the die used for fluidity is a truncated cone circular die, the size of which is 70mm plus or minus 0.5mm for the inner diameter of an upper port, 100mm plus or minus 0.5mm for the inner diameter of a lower port, and 60mm plus or minus 0.5mm for the height. The mechanical property test method in the grouting material test IS carried out according to the specification of GBT17671-2021 cement mortar strength detection method (IS 0 method). Pouring the grouting material into a test mould with the thickness of 50mm multiplied by 150mm, finishing the moulding within 10min, and measuring the flexural strength and the compressive strength of 3d, 7d and 28d after standard curing. The electric flux and the elastic modulus of the grouting material are measured according to the method specified in the standard GB/T50082-2009 standard for testing the long-term performance and durability of common concrete.
The specific test results are recorded in table 2.
TABLE 2
The grouting materials in example 2 and comparative example 5 have good fluidity, the viscosity of the mixture is low, the slump loss is small, and no bleeding phenomenon occurs. By comparing the example 2 with the comparative example 5, the glass beads are beneficial to improving the fluidity, compressive strength and chloride ion permeability resistance of the mixture, and the foaming agent can obviously inhibit the shrinkage of the mixture in the plastic stage.
From table 2, it can be seen that the strength of the high-strength anti-fatigue load steel-concrete connection grouting material prepared by adding the mixing amount of marble powder and granite powder in a proper amount is not greatly reduced, and the reasonable mixing amount of marble powder and granite powder can reduce the use amount of silica fume when the high-strength anti-fatigue load steel-concrete connection grouting material is prepared.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An ultrafine micro-nano scale active admixture is characterized in that: the superfine micro-nano scale active admixture comprises, by weight, 30-50 parts of slag, 20-50 parts of steel slag, 10-50 parts of fly ash, 1-10 parts of marble powder, 2-10 parts of granite powder, 2-8 parts of nano calcium carbonate, 2-8 parts of nano silicon oxide and 1-10 parts of an exciting agent.
2. The ultra-fine micro-nano scale active admixture according to claim 1, wherein: the superfine micro-nano scale active admixture comprises, by weight, 40-50 parts of steel slag, 20-50 parts of fly ash, 1-5 parts of marble powder, 2-5 parts of granite powder, 2-5 parts of nano calcium carbonate, 2-5 parts of nano silicon oxide and 2-6 parts of an exciting agent.
3. The superfine micro-nano scale active admixture according to claim 2, wherein: the superfine micro-nano scale active admixture comprises 40 parts of slag, 40 parts of steel slag, 20 parts of fly ash, 3 parts of marble powder, 3 parts of granite powder, 6 parts of nano calcium carbonate, 6 parts of nano silicon oxide and 5 parts of exciting agent.
4. The ultra-fine micro-nano scale active admixture according to claim 1, wherein: the exciting agent is prepared from industrial gypsum and calcium bicarbonate according to the weight ratio of 1:1, the composition is as follows; the marble powder and the granite powder are waste powder generated when marble and granite are cut by a stone mill, and the specific surface area is more than 680 and 680m 2 Per kg, the average particle size is less than 35 μm; the particle size of the nano calcium carbonate is 100-200nm, and the particle size of the nano silicon oxide is 100-150nm.
5. The method for preparing the superfine micro-nano scale active admixture according to any one of claims 1 to 4, comprising the following steps:
step 1: adding slag, fly ash and steel slag into a ball mill according to the required weight parts for grinding; ball milling for 30-60 min to obtain industrial solid waste powder;
step 2: adding marble powder, granite powder, nano calcium carbonate and nano silicon oxide into the industrial solid waste powder obtained in the step 1, and continuously starting a ball mill to grind; grinding for 20-40 min in a ball mill to obtain nano modified industrial solid waste powder, namely the superfine nano scale active admixture.
6. A grouting material, characterized in that: the grouting material comprises the following components in percentage by mass: 25-38% of cement, 5-14% of glass beads, 2-5% of silica fume, 5-20% of superfine micro-nano scale active admixture, 2-5% of high-strength fiber, 0.1-1% of toughening fiber, 0.2-0.4% of polycarboxylate water reducer, 0-0.02% of defoamer, 0-0.04% of foaming agent, 28-42% of river sand and 12-18% of ground river sand; the superfine nano-scale active admixture adopts the superfine nano-scale active admixture according to any one of claims 1 to 5.
7. The grouting material of claim 6, wherein: the said processThe cement is ordinary Portland cement, and the strength grade is not lower than 42.5; the polycarboxylate water reducer and the defoamer are both powder, the water reducing rate of the polycarboxylate water reducer is not less than 25%, and the defoamer is organic silicon; the activity index of the silica fume 28d is 100-106 percent, siO 2 The content is not less than 95%, and the average grain diameter is 0.5-3 μm.
8. The grouting material of claim 6, wherein: the high-strength fiber is copper-plated microfilament steel fiber, the average length is 4-8 mm, the diameter is 0.1-0.2mm, and the tensile strength is not lower than 2850Mpa; the toughened fiber is glass fiber with average length of 50-100 microns and diameter of 5-10 microns.
9. The grouting material of claim 6, wherein: the method is characterized in that: the foaming agent is amide organic powder, and can be decomposed to generate nitrogen in an alkaline environment; the river sand is prepared by sieving natural river sand with the water content of less than 0.1 percent, and the part with the grain diameter of 0.15 to 1.18 and mm is taken; the ground river sand is prepared by grinding natural river sand, and the average grain diameter is 0.08-0.15 and mm.
10. The method of preparing a grouting material as claimed in claim 7, comprising the steps of:
(1) According to mass percentage, cement 25-38%, glass bead 5-14%, silica fume 2-5%, superfine micro-nano scale active admixture 5-20%, high-strength fiber 2-5%, toughening fiber 0.1-1%, polycarboxylate water reducer 0.2-0.4%, defoamer 0-0.02%, foaming agent 0-0.04%, river sand 28-42% and ground river sand 12-18%;
(2) Grinding natural river sand in a ball mill to an average particle size of 0.08-0.15 and mm to obtain ground river sand;
(3) Dry mixing river sand and ground river sand in the dry mixer according to the proportion weighed in the step (1) for 5min, and stopping;
(4) Adding the cement, the glass beads, the silica fume, the superfine micro-nano scale active admixture, the high-strength fiber and the toughening fiber which are weighed in the step (1) into a dry mixer, starting up again, continuing dry mixing for 5min, and stopping;
(5) Uniformly scattering the polycarboxylate water reducer, the defoamer and the foaming agent weighed in the step (1) in a dry mixing machine starting state, and continuously dry-mixing for 20min to obtain the grouting material;
(6) Filling the grouting material prepared in the step (5) into an inner film packaging bag, and sealing and storing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310165997.5A CN116081972A (en) | 2023-02-24 | 2023-02-24 | Preparation method of superfine micro-nano scale active admixture and linked grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310165997.5A CN116081972A (en) | 2023-02-24 | 2023-02-24 | Preparation method of superfine micro-nano scale active admixture and linked grouting material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116081972A true CN116081972A (en) | 2023-05-09 |
Family
ID=86212094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310165997.5A Pending CN116081972A (en) | 2023-02-24 | 2023-02-24 | Preparation method of superfine micro-nano scale active admixture and linked grouting material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116081972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185704A (en) * | 2023-09-22 | 2023-12-08 | 株洲市中建新材料有限公司 | Dispersing agent special for high-performance concrete and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401607A (en) * | 2002-07-25 | 2003-03-12 | 中国建筑材料科学研究院 | Composite low-heat-release high-active superfine powder concrete admixture and making method thereof |
| CN103641424A (en) * | 2013-12-03 | 2014-03-19 | 中冶建筑研究总院有限公司 | High-content steel slag grouting material |
| CN105731888A (en) * | 2014-12-10 | 2016-07-06 | 天津裕丰源环保科技有限公司 | High-strength waste rock powder aerated concrete block |
| CN107032734A (en) * | 2017-03-27 | 2017-08-11 | 浙江大学 | A kind of preparation method of the high water-tight concrete of nano modification |
| CN108059378A (en) * | 2017-12-29 | 2018-05-22 | 天津宝丰建材有限公司 | A kind of high performance concrete composite admixture |
| CN110128043A (en) * | 2019-05-27 | 2019-08-16 | 中建材中岩科技有限公司 | A kind of sub-micron active mixed material and preparation method thereof |
| CN110981234A (en) * | 2019-12-10 | 2020-04-10 | 华南理工大学 | Cementing material and preparation method thereof |
| CN112341066A (en) * | 2020-10-21 | 2021-02-09 | 湖北工业大学 | Sleeve grouting material and preparation method thereof |
| JP2022176037A (en) * | 2021-05-14 | 2022-11-25 | デンカ株式会社 | Grout material, grout mortar composition, and cured body |
-
2023
- 2023-02-24 CN CN202310165997.5A patent/CN116081972A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401607A (en) * | 2002-07-25 | 2003-03-12 | 中国建筑材料科学研究院 | Composite low-heat-release high-active superfine powder concrete admixture and making method thereof |
| CN103641424A (en) * | 2013-12-03 | 2014-03-19 | 中冶建筑研究总院有限公司 | High-content steel slag grouting material |
| CN105731888A (en) * | 2014-12-10 | 2016-07-06 | 天津裕丰源环保科技有限公司 | High-strength waste rock powder aerated concrete block |
| CN107032734A (en) * | 2017-03-27 | 2017-08-11 | 浙江大学 | A kind of preparation method of the high water-tight concrete of nano modification |
| CN108059378A (en) * | 2017-12-29 | 2018-05-22 | 天津宝丰建材有限公司 | A kind of high performance concrete composite admixture |
| CN110128043A (en) * | 2019-05-27 | 2019-08-16 | 中建材中岩科技有限公司 | A kind of sub-micron active mixed material and preparation method thereof |
| CN110981234A (en) * | 2019-12-10 | 2020-04-10 | 华南理工大学 | Cementing material and preparation method thereof |
| CN112341066A (en) * | 2020-10-21 | 2021-02-09 | 湖北工业大学 | Sleeve grouting material and preparation method thereof |
| JP2022176037A (en) * | 2021-05-14 | 2022-11-25 | デンカ株式会社 | Grout material, grout mortar composition, and cured body |
Non-Patent Citations (1)
| Title |
|---|
| 朱效荣等: "《混凝土工作性调整》", 31 January 2016, 北京：中国建材工业出版社, pages: 48 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185704A (en) * | 2023-09-22 | 2023-12-08 | 株洲市中建新材料有限公司 | Dispersing agent special for high-performance concrete and preparation method thereof |
| CN117185704B (en) * | 2023-09-22 | 2024-02-23 | 株洲市中建新材料有限公司 | Dispersing agent special for high-performance concrete and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109678430B (en) | High-strength impervious self-compacting concrete for pipe gallery box culvert and preparation method thereof | |
| Memon et al. | Effect of silica fume on the fresh and hardened properties of fly ash-based self-compacting geopolymer concrete | |
| CN111454033B (en) | C80 ultrahigh pumping concrete and preparation method thereof | |
| US8080104B2 (en) | Filling material for reinforcing joint and construction method of filling reinforcing joint | |
| CN110776334A (en) | Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof | |
| CN115893895A (en) | Coagulation accelerating early strength agent, preparation method thereof and concrete composition | |
| CN111470821A (en) | High-performance fiber concrete and preparation method thereof | |
| CN111253127A (en) | C30 carbon fiber broken brick recycled concrete and preparation method thereof | |
| CN112441760A (en) | Composite admixture for sprayed concrete and preparation method and application thereof | |
| Ting et al. | Preparation of foamed phosphogypsum lightweight materials by incorporating cementitious additives | |
| CN112079600A (en) | Self-compacting concrete for pumping | |
| CN113173754A (en) | C100 anti-abrasion thin-wall concrete and preparation method thereof | |
| CN116081972A (en) | Preparation method of superfine micro-nano scale active admixture and linked grouting material | |
| CN111362636A (en) | C60 carbon fiber concrete and preparation method thereof | |
| Hela et al. | Development of ultra high performance concrete and reactive powder concrete with nanosilica | |
| CN113955993B (en) | Low-cementing material self-compaction Yangtze river dredging superfine sand concrete | |
| CN115490448B (en) | Method for reducing self-shrinkage of ultra-high-performance concrete, high-strength concrete and high-strength mortar | |
| CN110885204B (en) | Anti-cracking reinforcing material for long-life concrete product and preparation method and application thereof | |
| CN112521070A (en) | Early high-strength sprayed concrete slurry, early high-strength sprayed concrete and construction method thereof | |
| Zhang et al. | Combined Effect of Silica Fume and Polypropylene Fiberon Drying Shrinkage Properties of Concrete Composites Containing Fly Ash | |
| CN115925350B (en) | High-strength anti-fatigue load steel-concrete connection grouting material and preparation method thereof | |
| CN116553886B (en) | Crack-resistant waterproof concrete and preparation method thereof | |
| CN113336461B (en) | Micro-nano activity enhancer, corresponding concrete and preparation method | |
| CN113213862B (en) | Self-leveling super-early-strength rapid hardening material and preparation method thereof | |
| Selvamuthukumar et al. | Study on Strength Characteristics of Geopolymer Concrete using M-Sand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |