CN106278058A - A kind of preparation method of moistureproof Salt And Alkali Tolerance building mortar - Google Patents
A kind of preparation method of moistureproof Salt And Alkali Tolerance building mortar Download PDFInfo
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- CN106278058A CN106278058A CN201610734970.3A CN201610734970A CN106278058A CN 106278058 A CN106278058 A CN 106278058A CN 201610734970 A CN201610734970 A CN 201610734970A CN 106278058 A CN106278058 A CN 106278058A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1022—Non-macromolecular compounds
- C04B20/1025—Fats; Fatty oils; Ester type waxes; Higher fatty acids; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The present invention relates to the preparation method of a kind of moistureproof Salt And Alkali Tolerance building mortar, belong to construction material preparing technical field.The present invention is with river sand as raw material, first soak through the methane liquid rich in microorganism and use liquid nitrogen flash-frozen, utilize the effect of splitting of microorganism and ice composite modified, widen the aperture, inside of river sand and increase avtive spot therein, with Salt And Alkali Tolerance algae and Oleum Ricini, river sand is carried out twice-modified again, utilize in Salt And Alkali Tolerance Sargassum body rich in trehalose under high salinity environment, form the protecting film of uniqueness on river sand surface, buffer saline and alkaline impulsive force, the river sand surface that acts on of recycling microorganism increases hydrophobicity ester group, increase its moisture resistance, last and cement and other adjuvants are compounding prepared, moistureproof Salt And Alkali Tolerance building mortar Salt And Alkali Tolerance performance prepared by the present invention is good, the infiltration capacity of chloride ion is less than 4.0 × 10‑3mg/cm2D, water demand ratio is less than 55%, has stronger moistureproof and waterproof ability；Its intensity reaches more than 20.5MPa.
Description
Technical field
The present invention relates to the preparation method of a kind of moistureproof Salt And Alkali Tolerance building mortar, belong to construction material preparing technical field.
Background technology
Building mortar is to be bonded as overall mortar by building block materials (brick, stone, building block) by laying bricks or stones.It is by inorganic gel material
Material, fine aggregate and water, the most also mix some admixture composition, often using comprcssive strength as topmost technical performance index.
Building mortar is usually used in building masonry (such as brick, stone, building block) structure, smearing of building surfaces externally and internally (such as metope, ground, ceiling) by laying bricks or stones
Face, large wall panel, the jointing of masonry walls, and the bonding etc. of ornament materials.
The building in the area that the coastal region in east China is high with other saline and alkalines is owing to being chronically under high salinity environment easily quilt
Corrosion, traditional moistureproof building mortar material salinity and alkalinity resistance is poor so that it is service life significantly shortens, it is easy to be destroyed thus
Lose moisture effect, add that common buildings barrier material is changed highly difficult, therefore in high salinity regional architecture to moistureproof mortar
Saline and alkaline requirement is higher.
Trehalose has the protective effect of mystery to organism, is because trehalose and at high temperature, high and cold, hyperosmosis and does
The protecting film of uniqueness, protected protein matter molecule invariance effectively can be formed at cell surface under the severe environmental conditions such as dry dehydration
Inactivation, thus the life process of the body that sustains life and biological characteristic, many adverse circumstances to external world show outstanding degeneration-resistant tolerance
, all internal substantial amounts of trehalose there is and has direct relation in the species of power with them.Two water crystallization trehaloses are at relative humidity 92%
Following no hygroscopicity, and anhydrous trehalose has hygroscopicity at relative humidity more than 30%, this character makes it both have low moisture absorption
Property, there is again humectant function.
Summary of the invention
The technical problem to be solved: poor for the most traditional moistureproof building mortar material salinity and alkalinity resistance,
Making significantly shorten its service life, it is easy to be destroyed thus lose the problem of moisture effect, the present invention is with river sand as raw material, first
Soak through the methane liquid rich in microorganism and use liquid nitrogen flash-frozen, utilizing the effect of splitting of microorganism and ice composite modified, expand river
Husky aperture, inside also increases avtive spot therein, then carry out twice-modified with Salt And Alkali Tolerance algae and Oleum Ricini to river sand, profit
With in Salt And Alkali Tolerance Sargassum body rich in trehalose under high salinity environment, form the protecting film of uniqueness on river sand surface, buffer saline and alkaline
Impulsive force, the river sand surface that acts on of recycling microorganism increases hydrophobicity ester group, increases its moisture resistance, last and cement
And other adjuvants are compounding prepared, the moistureproof building mortar moisture resistance that the present invention prepares is good, and has splendid Salt And Alkali Tolerance performance,
Prospect of the application is wide.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
(1) fishing for 10～20kg river sands and cross 20 mesh sieves, the river sand bundle after sieving wraps and tightens gauze with rope yarn
Ensure that river sand will not spill, then the river sand wrapped by bundle immerses in fowl and animal excrement ferment biomass pool, after standing dipping 3～5h
Take out；
(2) opening gauze, tiling river sand also uses liquid nitrogen at river sand surface spraying 40～60s immediately, makes immersion river sand capillary porosity
In the instantaneous icing of methane liquid, then the river sand after liquid nitrogen spraying is put into baking oven, after drying 20～30min at 105～110 DEG C
Take out, more repeatedly process 3～5 times by identical dipping, liquid nitrogen spraying and baking step, finally give pre-modified fine aggregate, standby
With；
(3) weigh 8～10kg dulses, 10～12kg Sargassum fusiforme (Harv.) Setch and 15～18kg Sargassums put into powder in tissue pulverizer
Broken 20～30min obtain mixing Sargassum slurry, and mixing Sargassum slurry is moved into reactor, in temperature be 25～30 DEG C, air the wettest
Degree is the most mouldy process 7～10 days under conditions of 70～80%, after mouldy end, filters and removes filtering residue, obtain filtrate；
(4) for 5:1 filtrate obtained above and Oleum Ricini mix homogeneously are prepared composite modified liquid by volume, more in mass ratio
For 2:3, composite modified liquid is sent forth on standby pre-modified fine aggregate as fermentation substrate uniformly by watering can, is moved
Enter pottery fermentation tank, then by inoculum concentration be 10% in fermentation substrate access bacillus pyocyaneus, hermetically sealed can mouth is incubated at 30～40 DEG C
Modified 15～20 days of fermentation；
(5) isolated modification fine aggregate, natural wind after repeatedly rinsing 15～20min with deionized water are filtered after fermentation ends
Dry, obtain moistureproof anti-saline and alkaline fine aggregate；
(6) by weight meter weigh 40～60 parts of above-mentioned protection against the tide resist saline and alkaline fine aggregate, 30～40 parts of portland cements, 5～8 parts
The butyl rubber powder of 100 mesh, is sequentially added in batch mixer mixing 40～60min, and discharging obtains mortar slurry, then is in mass ratio
Deionized water and mortar slurry are moved into after mixing 1～2h with 100～150r/min rotating speed stirrings in mortar mixer by 3:4 successively
Discharging, obtains moistureproof Salt And Alkali Tolerance building mortar.
The application process of the present invention: first the materials such as the dust of ground matrix surface, loose matter, oil stain are cleaned out,
Again matrix surface is watered drenched, then use the slurry that the moistureproof Salt And Alkali Tolerance building mortar of above-mentioned preparation and water reconcile into
Wiping one's face, controlling thickness is 7～8mm, then carries out being compacted, after floating and surface press polish so that it is after natural air drying final set, Ying Jin
Row watering maintenance, curing time is 7～10 days.After testing, its intensity reaches more than 20.5MPa, and water retention reaches 90%
Above, and its Saline alkali tolerance is good, and the infiltration capacity of chloride ion is less than 4.0 × 10-3mg/cm2D, water demand ratio is less than 55%.
The present invention is compared with additive method, and Advantageous Effects is:
(1) the moistureproof Salt And Alkali Tolerance building mortar Salt And Alkali Tolerance performance that prepared by the present invention is good, and the infiltration capacity of chloride ion is less than 4.0 × 10- 3mg/cm2d；
(2) moistureproof Salt And Alkali Tolerance building mortar water demand ratio prepared by the present invention is less than 55%, has stronger moistureproof and waterproof ability；
(3) moistureproof Salt And Alkali Tolerance building mortar prepared by the present invention has high intensity feature, and its intensity reaches more than 20.5MPa.
Detailed description of the invention
First fishing for 10～20kg river sands and cross 20 mesh sieves, the river sand bundle after sieving wraps and tightens with rope yarn
Gauze ensures that river sand will not spill, then the river sand that wrapped by bundle immerses in fowl and animal excrement ferment biomass pool, stand dipping 3～
Take out after 5h；Opening gauze, tiling river sand also uses liquid nitrogen at river sand surface spraying 40～60s immediately, makes immersion river sand pore
The instantaneous icing of methane liquid in gap, then the river sand after liquid nitrogen spraying is put into baking oven, at 105～110 DEG C, dry 20～30min
Rear taking-up, more repeatedly process 3～5 times by identical dipping, liquid nitrogen spraying and baking step, finally give pre-modified fine aggregate,
Standby；Weigh 8～10kg dulses, 10～12kg Sargassum fusiforme (Harv.) Setch again and 15～18kg Sargassums put into powder in tissue pulverizer
Broken 20～30min obtain mixing Sargassum slurry, and mixing Sargassum slurry is moved into reactor, in temperature be 25～30 DEG C, air the wettest
Degree is the most mouldy process 7～10 days under conditions of 70～80%, after mouldy end, filters and removes filtering residue, obtain filtrate；Then
For 5:1, filtrate obtained above and Oleum Ricini mix homogeneously are prepared composite modified liquid by volume, then are 2:3 in mass ratio,
Composite modified liquid is sent forth on standby pre-modified fine aggregate as fermentation substrate uniformly by watering can, moves it into pottery
Fermentation tank, then by inoculum concentration be 10% in fermentation substrate access bacillus pyocyaneus, hermetically sealed can mouth heat-preservation fermentation at 30～40 DEG C changes
Property 15～20 days；Isolated modification fine aggregate is filtered after fermentation ends, natural after repeatedly rinsing 15～20min with deionized water
Air-dry, obtain moistureproof anti-saline and alkaline fine aggregate；Meter by weight weighs 40～60 parts of above-mentioned protection against the tide and resists saline and alkaline fine aggregate, 30～40
Part portland cement, the butyl rubber powder of 5～8 part of 100 mesh, be sequentially added in batch mixer mixing 40～60min, and discharging obtains sand
Slurry slurry, then for 3:4, deionized water and mortar slurry are moved in mortar mixer successively with 100～150r/min in mass ratio
Discharging after rotating speed stirring mixing 1～2h, obtains moistureproof Salt And Alkali Tolerance building mortar.
Example 1
First fishing for 20kg river sand and cross 20 mesh sieves, the river sand bundle after sieving wraps and tightens gauze with rope yarn and ensures
River sand will not spill, then the river sand wrapped by bundle immerses in fowl and animal excrement ferment biomass pool, takes out after standing dipping 5h；Beat
Opening gauze, tiling river sand also uses liquid nitrogen at river sand surface spraying 60s immediately, makes the methane liquid in immersion river sand capillary porosity instantaneous
Freeze, then the river sand after liquid nitrogen spraying is put into baking oven, take out after drying 30min at 110 DEG C, then by identical dipping, liquid
Nitrogen spray and baking step process 5 times repeatedly, finally give pre-modified fine aggregate, standby；Weigh again 10kg dulse,
12kg Sargassum fusiforme (Harv.) Setch and 18kg Sargassum are put into pulverizing 30min in tissue pulverizer and are obtained mixing Sargassum slurry, are starched by mixing Sargassum and move
Enter reactor, in temperature be 30 DEG C, relative air humidity be the most mouldy process 10 days under conditions of 80%, after mouldy end, mistake
Filter off except filtering residue, obtain filtrate；It is that filtrate obtained above and Oleum Ricini mix homogeneously are prepared compound by 5:1 the most by volume
Modification liquid, then be 2:3 in mass ratio, composite modified liquid is sent forth uniformly by watering can and makees on standby pre-modified fine aggregate
For fermentation substrate, move it into pottery fermentation tank, then be 10% in fermentation substrate, to access bacillus pyocyaneus, hermetically sealed can by inoculum concentration
Mouth is modified 20 days of heat-preservation fermentation at 40 DEG C；Filter isolated modification fine aggregate after fermentation ends, repeatedly rush with deionized water
Wash natural air drying after 20min, obtain moistureproof anti-saline and alkaline fine aggregate；Meter by weight weighs 60 parts of above-mentioned protection against the tide and resists saline and alkaline thin bone
Material, 40 parts of portland cements, the butyl rubber powder of 8 part of 100 mesh, be sequentially added in batch mixer mixing 60min, and discharging obtains mortar
Slurry, then deionized water and mortar slurry are moved in mortar mixer successively stir with 150r/min rotating speed for 3:4 in mass ratio
Mix discharging after mixing 2h, obtain moistureproof Salt And Alkali Tolerance building mortar.
First the materials such as the dust of ground matrix surface, loose matter, oil stain are cleaned out, then matrix surface is watered
Water drenches, and the slurry then using the moistureproof Salt And Alkali Tolerance building mortar of above-mentioned preparation and water to reconcile into is wiped one's face, and controls thickness
For 7mm, then carry out being compacted, after floating and surface press polish so that it is after natural air drying final set, maintenance of sprinkling water, curing time should be carried out
It it is 10 days.After testing, its intensity reaches 20.6MPa, and water retention reaches 92%, and its Saline alkali tolerance is good, oozing of chloride ion
Penetration is 3.9 × 10-3mg/cm2D, water demand ratio is 51%.
Example 2
First fishing for 10kg river sand and cross 20 mesh sieves, the river sand bundle after sieving wraps and tightens gauze with rope yarn and ensures
River sand will not spill, then the river sand wrapped by bundle immerses in fowl and animal excrement ferment biomass pool, takes out after standing dipping 3h；Beat
Opening gauze, tiling river sand also uses liquid nitrogen at river sand surface spraying 40s immediately, makes the methane liquid in immersion river sand capillary porosity instantaneous
Freeze, then the river sand after liquid nitrogen spraying is put into baking oven, take out after drying 20min at 105 DEG C, then by identical dipping, liquid
Nitrogen spray and baking step process 3 times repeatedly, finally give pre-modified fine aggregate, standby；Weigh again 8kg dulse,
10kg Sargassum fusiforme (Harv.) Setch and 15kg Sargassum are put into pulverizing 20min in tissue pulverizer and are obtained mixing Sargassum slurry, are starched by mixing Sargassum and move
Enter reactor, in temperature be 25 DEG C, relative air humidity be the most mouldy process 7 days under conditions of 70%, after mouldy end, mistake
Filter off except filtering residue, obtain filtrate；It is that filtrate obtained above and Oleum Ricini mix homogeneously are prepared compound by 5:1 the most by volume
Modification liquid, then be 2:3 in mass ratio, composite modified liquid is sent forth uniformly by watering can and makees on standby pre-modified fine aggregate
For fermentation substrate, move it into pottery fermentation tank, then be 10% in fermentation substrate, to access bacillus pyocyaneus, hermetically sealed can by inoculum concentration
Mouth is modified 15 days of heat-preservation fermentation at 30 DEG C；Filter isolated modification fine aggregate after fermentation ends, repeatedly rush with deionized water
Wash natural air drying after 15min, obtain moistureproof anti-saline and alkaline fine aggregate；Meter by weight weighs 40 parts of above-mentioned protection against the tide and resists saline and alkaline thin bone
Material, 30 parts of portland cements, the butyl rubber powder of 5 part of 100 mesh, be sequentially added in batch mixer mixing 40min, and discharging obtains mortar
Slurry, then deionized water and mortar slurry are moved in mortar mixer successively stir with 100r/min rotating speed for 3:4 in mass ratio
Mix discharging after mixing 1h, obtain moistureproof Salt And Alkali Tolerance building mortar.
First the materials such as the dust of ground matrix surface, loose matter, oil stain are cleaned out, then matrix surface is watered
Water drenches, and the slurry then using the moistureproof Salt And Alkali Tolerance building mortar of above-mentioned preparation and water to reconcile into is wiped one's face, and controls thickness
For 8mm, then carry out being compacted, after floating and surface press polish so that it is after natural air drying final set, maintenance of sprinkling water, curing time should be carried out
It it is 7 days.After testing, its intensity reaches 21.5MPa, and water retention reaches 91%, and its Saline alkali tolerance is good, the infiltration of chloride ion
Amount is 3.8 × 10-3mg/cm2D, water demand ratio is less than 52%.
Example 3
First fishing for 15kg river sand and cross 20 mesh sieves, the river sand bundle after sieving wraps and tightens gauze with rope yarn and ensures
River sand will not spill, then the river sand wrapped by bundle immerses in fowl and animal excrement ferment biomass pool, takes out after standing dipping 4h；Beat
Opening gauze, tiling river sand also uses liquid nitrogen at river sand surface spraying 50s immediately, makes the methane liquid in immersion river sand capillary porosity instantaneous
Freeze, then the river sand after liquid nitrogen spraying is put into baking oven, take out after drying 25min at 107 DEG C, then by identical dipping, liquid
Nitrogen spray and baking step process 4 times repeatedly, finally give pre-modified fine aggregate, standby；Weigh again 9kg dulse,
11kg Sargassum fusiforme (Harv.) Setch and 17kg Sargassum are put into pulverizing 25min in tissue pulverizer and are obtained mixing Sargassum slurry, are starched by mixing Sargassum and move
Enter reactor, in temperature be 27 DEG C, relative air humidity be the most mouldy process 8 days under conditions of 75%, after mouldy end, mistake
Filter off except filtering residue, obtain filtrate；It is that filtrate obtained above and Oleum Ricini mix homogeneously are prepared compound by 5:1 the most by volume
Modification liquid, then be 2:3 in mass ratio, composite modified liquid is sent forth uniformly by watering can and makees on standby pre-modified fine aggregate
For fermentation substrate, move it into pottery fermentation tank, then be 10% in fermentation substrate, to access bacillus pyocyaneus, hermetically sealed can by inoculum concentration
Mouth is modified 17 days of heat-preservation fermentation at 35 DEG C；Filter isolated modification fine aggregate after fermentation ends, repeatedly rush with deionized water
Wash natural air drying after 17min, obtain moistureproof anti-saline and alkaline fine aggregate；Meter by weight weighs 45 parts of above-mentioned protection against the tide and resists saline and alkaline thin bone
Material, 35 parts of portland cements, the butyl rubber powder of 7 part of 100 mesh, be sequentially added in batch mixer mixing 50min, and discharging obtains mortar
Slurry, then deionized water and mortar slurry are moved in mortar mixer successively stir with 120r/min rotating speed for 3:4 in mass ratio
Mix discharging after mixing 1h, obtain moistureproof Salt And Alkali Tolerance building mortar.
First the materials such as the dust of ground matrix surface, loose matter, oil stain are cleaned out, then matrix surface is watered
Water drenches, and the slurry then using the moistureproof Salt And Alkali Tolerance building mortar of above-mentioned preparation and water to reconcile into is wiped one's face, and controls thickness
For 8mm, then carry out being compacted, after floating and surface press polish so that it is after natural air drying final set, maintenance of sprinkling water, curing time should be carried out
It it is 8 days.After testing, its intensity reaches more than 24.5MPa, and water retention reaches 93%, and its Saline alkali tolerance is good, chloride ion
Infiltration capacity is less than 3.1 × 10-3mg/cm2D, water demand ratio is 53%.
Claims (1)
1. the preparation method of a moistureproof Salt And Alkali Tolerance building mortar, it is characterised in that concrete preparation process is:
(1) fishing for 10～20kg river sands and cross 20 mesh sieves, the river sand bundle after sieving wraps and tightens gauze with rope yarn
Ensure that river sand will not spill, then the river sand wrapped by bundle immerses in fowl and animal excrement ferment biomass pool, after standing dipping 3～5h
Take out；
(2) opening gauze, tiling river sand also uses liquid nitrogen at river sand surface spraying 40～60s immediately, makes immersion river sand capillary porosity
In the instantaneous icing of methane liquid, then the river sand after liquid nitrogen spraying is put into baking oven, after drying 20～30min at 105～110 DEG C
Take out, more repeatedly process 3～5 times by identical dipping, liquid nitrogen spraying and baking step, finally give pre-modified fine aggregate, standby
With；
(3) weigh 8～10kg dulses, 10～12kg Sargassum fusiforme (Harv.) Setch and 15～18kg Sargassums put into powder in tissue pulverizer
Broken 20～30min obtain mixing Sargassum slurry, and mixing Sargassum slurry is moved into reactor, in temperature be 25～30 DEG C, air the wettest
Degree is the most mouldy process 7～10 days under conditions of 70～80%, after mouldy end, filters and removes filtering residue, obtain filtrate；
(4) for 5:1 filtrate obtained above and Oleum Ricini mix homogeneously are prepared composite modified liquid by volume, more in mass ratio
For 2:3, composite modified liquid is sent forth on standby pre-modified fine aggregate as fermentation substrate uniformly by watering can, is moved
Enter pottery fermentation tank, then by inoculum concentration be 10% in fermentation substrate access bacillus pyocyaneus, hermetically sealed can mouth is incubated at 30～40 DEG C
Modified 15～20 days of fermentation；
(5) isolated modification fine aggregate, natural wind after repeatedly rinsing 15～20min with deionized water are filtered after fermentation ends
Dry, obtain moistureproof anti-saline and alkaline fine aggregate；
(6) by weight meter weigh 40～60 parts of above-mentioned protection against the tide resist saline and alkaline fine aggregate, 30～40 parts of portland cements, 5～8 parts
The butyl rubber powder of 100 mesh, is sequentially added in batch mixer mixing 40～60min, and discharging obtains mortar slurry, then is in mass ratio
Deionized water and mortar slurry are moved into after mixing 1～2h with 100～150r/min rotating speed stirrings in mortar mixer by 3:4 successively
Discharging, obtains moistureproof Salt And Alkali Tolerance building mortar.
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| CN108298906A (en) * | 2018-02-10 | 2018-07-20 | 黄旭东 | A kind of preparation method of permanent seal cooling frost-resistant concrete |
| CN108483990A (en) * | 2018-04-04 | 2018-09-04 | 田秋珍 | A kind of preparation method of anti-hollowing high bond strength glue for tile |
| CN108654568A (en) * | 2018-05-25 | 2018-10-16 | 黄智慧 | A kind of preparation method of heavy metal ion adsorbing material |
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| CN107365110A (en) * | 2017-06-17 | 2017-11-21 | 常州朋悦纺织品有限公司 | A kind of preparation method of noise reduction building site capable of purifying air enclosing |
| CN107286763A (en) * | 2017-06-28 | 2017-10-24 | 常州蓝旗亚纺织品有限公司 | A kind of stone material alkali prevention back of the body applies material and preparation method thereof |
| CN107382182A (en) * | 2017-06-28 | 2017-11-24 | 常州市雄泰纺织品有限公司 | A kind of high viscosity cracking resistance water-keeping mortar and preparation method thereof |
| CN107647341A (en) * | 2017-10-16 | 2018-02-02 | 吴刚 | A kind of preparation method of high tenacity edible vegetable paper |
| CN108298906A (en) * | 2018-02-10 | 2018-07-20 | 黄旭东 | A kind of preparation method of permanent seal cooling frost-resistant concrete |
| CN108483990A (en) * | 2018-04-04 | 2018-09-04 | 田秋珍 | A kind of preparation method of anti-hollowing high bond strength glue for tile |
| CN108654568A (en) * | 2018-05-25 | 2018-10-16 | 黄智慧 | A kind of preparation method of heavy metal ion adsorbing material |
| CN109400052A (en) * | 2018-10-29 | 2019-03-01 | 吴伟华 | A kind of preparation method of moisture-proof building mortar |
| CN109374613A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | Periclase detection method of content in a kind of clinker |
| CN109374614A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | A method of based on periclase content in chemical method detection clinker |
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Application publication date: 20170104 |