CN109206081A - A kind of nanometer of anti-leakage building concrete and preparation method - Google Patents
A kind of nanometer of anti-leakage building concrete and preparation method Download PDFInfo
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- CN109206081A CN109206081A CN201811118151.1A CN201811118151A CN109206081A CN 109206081 A CN109206081 A CN 109206081A CN 201811118151 A CN201811118151 A CN 201811118151A CN 109206081 A CN109206081 A CN 109206081A
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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
- C04B28/005—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 gelatineous or gel forming binders, e.g. gelatineous Al(OH)3, sol-gel binders
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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
- 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
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0082—Segregation-preventing agents; Sedimentation-preventing agents
- C04B2103/0083—Bleeding-preventing agents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to the field of building materials, disclose a kind of nanometer of anti-leakage building concrete and preparation method.Including following preparation process: (1) will rosin and nano material grinding homogenizing after be added polyethylene glycol, catalyst, heating carries out esterification, after stearic acid be added dispersed, then carry out spray congealing, bulky grain microballoon be made；(2) it using bulky grain microballoon as impervious agent, is mixed with inorganic gel, slag, flyash, fine aggregate, coarse aggregate, water, mix is made；(3) water-tight concrete is made in mix is die-filling, jolt ramming, maintenance.Nanometer water-tight concrete produced by the present invention, utilize esterified rosin air-entraining function and stearic hydrophobic bulky grain impervious agent, it is uniformly dispersed in concrete, and in concrete hydrating, C-S-H gel is grown in nano-material surface, the micropore that concrete can uniformly densely be filled up significantly improves the intensity and water permeability resistance of concrete.
Description
Technical field
The present invention relates to the field of building materials, disclose a kind of nanometer of anti-leakage building concrete and preparation method.
Background technique
Concrete refers generally to using cement as major gelled material, and water, sand, stone, mix when necessary chemical admixture and
Mineral admixture is cooperated by proper proportion, is hardened by uniform stirring, closely knit molding and maintenance.Concrete is good because of it
Mechanical property, economy and the adaptability of environment is used in building field large area.But due to concrete self component
The characteristics of, intensity is formed by water hardening, therefore shows as brittleness, and due to needing water to participate in during water hardening, is held
A large amount of Minute pores are easily formed after the concrete is cured.Concrete strength is not only influenced, and water permeability resistance is poor, therefore mixed at present
Solidifying soil is required to do waterproof layer for building, to constrain the application of concrete material.
Currently, air entraining agent is usually added in concrete, micro-bubble is generated in concrete by air entraining agent, the bubble
The capillary in maturing can be cut off, reduction is permeated due to caused by capillarity, so that the impervious of concrete obtains
Raising is arrived.But simple dependence air entraining agent, due to concrete itself brittleness, in the later period, there are crack and water leakages；And due to
The bubble that air entraining agent introduces will cause the reduction of concrete strength.Based on the prior art, improving concrete strength and impermeability is needed
A large amount of need of work is wanted to carry out.
According to it has been reported that nano material such as Nano-meter SiO_22, Nano-meter CaCO33Deng be used for concrete, can effective filling concrete
Gap, improve the fluidity of concrete, improve the interfacial structure of Behavior of Hardened Cement Paste and aggregate in concrete, make concrete intensity,
Impermeability is improved with durability.Although nano material plays good impervious effect in concrete, due to nanometer
Material is difficult to effectively disperse in concrete, and impervious effect promotion is not obvious.Therefore it is impervious for improving the dispersibility of impervious agent
The emphasis of concrete research development.
Chinese invention patent application number 201710815512.7 discloses a kind of novel water-tight concrete, including presses mass parts
The following raw material of number metering: 150 ~ 250 parts of portland cement, 80 ~ 120 parts of river sand, 10 ~ 25 parts of calcium carbonate, nano silica 3
~ 8 parts, 20 ~ 30 parts of rice hull ash, 10 ~ 20 parts of silicon ash, 10 ~ 20 parts of flyash, 5 ~ 15 parts of polypropylene fibre, 3 ~ 5 parts of swelling agent etc..
The inventive structure intensity is good, and elasticity modulus is low, hinders fragility and impact strength is good, anti-seismic performance is good, and anti-permeability performance is good, uses the longevity
Life length.
Chinese invention patent application number 201710189272.4 discloses a kind of preparation of nano modification high-impermeable concrete
Method.It include: to mix well cement, sand, rubble, flyash, ground granulated blast furnace slag, silicon ash dry mixing；By nano modifier, subtract
Aqua and the water of half weight are added in mixture after mixing and stir；The water for adding the other half weight continues to stir；Out
Material is packed into mold；It is conserved after demoulding according to conventional maintenance mode, obtains nano modification high-impermeable concrete.The invention has
Effect solves the limitation that single mineral constituent influences concrete performance, and multifunctional component, which combines, reaches function superposition and association
Same effect, composite multifunction component can effective optimised coagulation soil structure grain composition, by optimised coagulation soil internal pore structure come
It realizes and improves impervious purpose.While carrying out grain composition optimization to concrete structure using nano modifier, sufficiently send out
The high activity and crystallite nuclear effect for waving nano particle, improve concrete structure anti-permeability performance.
According to above-mentioned, the generally existing intensity of building concrete in existing scheme is low, impervious poor, and durability is undesirable etc.
Defect, and the technical method that nanometer impervious agent carries out enhancing concrete performance is added, cause to enhance because of impervious agent bad dispersibility
Effect is undesirable.
Summary of the invention
The defects of wider generally existing intensity of building concrete of application is low at present, impervious poor, and durability is undesirable, and
Addition nanometer impervious agent carries out the technical method of enhancing concrete performance, causes reinforcing effect to be paid no attention to because of impervious agent bad dispersibility
Think.
To solve the above problems, the invention adopts the following technical scheme:
The preparation method of a kind of nanometer of anti-leakage building concrete, the detailed process of preparation are as follows:
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance.
Preferably, step (1) nano material is nano silica, nano talc, nanometer calcium carbonate, nanometer cloud
At least one of female powder, nanometer pyrophillite, partial size are 5 ~ 100nm.
Preferably, step (1) catalyst is p-methyl benzenesulfonic acid.
Preferably, the temperature of step (1) described esterification is 120 ~ 150 DEG C, and dispersion temperature is 70 ~ 80 DEG C.
Preferably, in step (1), 10 ~ 20 parts by weight of rosin, 43 ~ 67 parts by weight of nano material, 20 ~ 30 weight of polyethylene glycol
Measure part, 1 ~ 2 parts by weight of catalyst, 2 ~ 5 parts by weight of stearic acid.
Preferably, the partial size of step (1) the bulky grain microballoon is 0.5 ~ 1mm.
Preferably, step (2) inorganic gel is magnesium aluminium silicate gel material.
Preferably, in step (2), 1 ~ 2 parts by weight of bulky grain microballoon, 15 ~ 17 parts by weight of inorganic gel, 2 ~ 4 weight of slag
Part, 3 ~ 5 parts by weight of flyash, 22 ~ 26 parts by weight of fine aggregate, 36 ~ 50 parts by weight of coarse aggregate, 7 ~ 10 parts by weight of water.
Preferably, step (3) curing temperature is 18 ~ 22 DEG C, and relative humidity is not less than 95%, and the time is 28 ~ 30d.
A kind of nanometer of anti-leakage building concrete prepared by the above method grinds rosin and nano material equal
Change, polyethylene glycol, catalyst p-methyl benzenesulfonic acid is then added, heating carries out esterification；Further cooling degree drops, and is added stearic
Acid is uniformly dispersed, and using spray congealing, obtains bulky grain microballoon；Using bulky grain microballoon as impervious agent and inorganic gel, mine
It is uniform that slag, flyash, fine aggregate, coarse aggregate, water are added to mix in concrete mixer；Mix is die-filling, jolt ramming, maintenance,
?.
The present invention provides a kind of nanometer of anti-leakage building concrete and preparation methods, compared with prior art, protrude
The characteristics of and excellent effect be:
1, propose during rosin esterification be added nano material after condense obtain impervious agent by spraying after further prepare nanometer
The method of anti-leakage building concrete.
2, by the way that during rosin esterification, nano material is added, and stearic acid spray congealing is assisted to form bulky grain
Impervious agent；Nano material bulky grain is easily dispersed by the impervious agent, by esterified rosin air-entraining function and stearic hydrophobic
Property, significantly improve dispersibility of the nano material in concrete, it is ensured that reinforcing effect.
3, method of the invention is by making nanometer seepage resistant material form uniform spaced point in concrete, in concrete water
When change, the nano material of dispersion grows C-S-H gel on surface, to uniformly densely fill up the micro- of concrete as nucleus
Hole significantly improves the intensity and water permeability resistance of concrete.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；Nano material
For nano silica, average grain diameter 60nm；Catalyst is p-methyl benzenesulfonic acid；The temperature of esterification is 130 DEG C, dispersion temperature
Degree is 76 DEG C；Wherein, 14 parts by weight of rosin, 58 parts by weight of nano material, 24 parts by weight of polyethylene glycol, 1 parts by weight of catalyst, hard
3 parts by weight of resin acid；The average grain diameter of bulky grain microballoon is 0.7mm；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；Inorganic gel is magnesium aluminium silicate gel material
Material；Wherein, 1 parts by weight of bulky grain microballoon, 16 parts by weight of inorganic gel, 3 parts by weight of slag, 4 parts by weight of flyash, fine aggregate 25
Parts by weight, 42 parts by weight of coarse aggregate, 9 parts by weight of water；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance；Curing temperature is 19 DEG C, relatively
Humidity is 96%, time 29d.
Embodiment 2
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；Nano material
For nano talc, average grain diameter 10nm；Catalyst is p-methyl benzenesulfonic acid；The temperature of esterification is 125 DEG C, dispersion temperature
It is 78 DEG C；Wherein, 12 parts by weight of rosin, 62 parts by weight of nano material, 22 parts by weight of polyethylene glycol, 1 parts by weight of catalyst, tristearin
Sour 3 parts by weight；The average grain diameter of bulky grain microballoon is 0.6mm；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；Inorganic gel is magnesium aluminium silicate gel material
Material；Wherein, 1 parts by weight of bulky grain microballoon, 16 parts by weight of inorganic gel, 2 parts by weight of slag, 4 parts by weight of flyash, fine aggregate 23
Parts by weight, 46 parts by weight of coarse aggregate, 8 parts by weight of water；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance；Curing temperature is 19 DEG C, relatively
Humidity is 95%, time 28d.
Embodiment 3
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；Nano material
For nanometer calcium carbonate, average grain diameter 90nm；Catalyst is p-methyl benzenesulfonic acid；The temperature of esterification is 140 DEG C, dispersion temperature
It is 74 DEG C；Wherein, 17 parts by weight of rosin, 49 parts by weight of nano material, 28 parts by weight of polyethylene glycol, 2 parts by weight of catalyst, tristearin
Sour 4 parts by weight；The average grain diameter of bulky grain microballoon is 0.9mm；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；Inorganic gel is magnesium aluminium silicate gel material
Material；Wherein, 2 parts by weight of bulky grain microballoon, 17 parts by weight of inorganic gel, 3 parts by weight of slag, 5 parts by weight of flyash, fine aggregate 25
Parts by weight, 39 parts by weight of coarse aggregate, 9 parts by weight of water；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance；Curing temperature is 21 DEG C, relatively
Humidity is 97%, time 30d.
Embodiment 4
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；Nano material
For nano mica powder, average grain diameter 20nm；Catalyst is p-methyl benzenesulfonic acid；The temperature of esterification is 120 DEG C, dispersion temperature
It is 70 DEG C；Wherein, 10 parts by weight of rosin, 67 parts by weight of nano material, 20 parts by weight of polyethylene glycol, 1 parts by weight of catalyst, tristearin
Sour 2 parts by weight；The average grain diameter of bulky grain microballoon is 0.5mm；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；Inorganic gel is magnesium aluminium silicate gel material
Material；Wherein, 1 ~ 2 parts by weight of bulky grain microballoon, 15 ~ 17 parts by weight of inorganic gel, 2 ~ 4 parts by weight of slag, 3 ~ 5 weight of flyash
Part, 22 ~ 26 parts by weight of fine aggregate, 36 ~ 50 parts by weight of coarse aggregate, 7 ~ 10 parts by weight of water；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance；Curing temperature is 18 DEG C, relatively
Humidity is 95%, time 28d.
Embodiment 5
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；Nano material
For nanometer pyrophillite, average grain diameter 100nm；Catalyst is p-methyl benzenesulfonic acid；The temperature of esterification is 150 DEG C, dispersion temperature
Degree is 80 DEG C；Wherein, 20 parts by weight of rosin, 43 parts by weight of nano material, 30 parts by weight of polyethylene glycol, 2 parts by weight of catalyst, hard
5 parts by weight of resin acid；The average grain diameter of bulky grain microballoon is 1mm；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；Inorganic gel is magnesium aluminium silicate gel material
Material；Wherein, 2 parts by weight of bulky grain microballoon, 17 parts by weight of inorganic gel, 4 parts by weight of slag, 5 parts by weight of flyash, fine aggregate 26
Parts by weight, 36 parts by weight of coarse aggregate, 10 parts by weight of water；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance；Curing temperature is 22 DEG C, relatively
Humidity is 98%, time 30d.
Embodiment 6
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；Nano material
For nano silica, average grain diameter 50nm；Catalyst is p-methyl benzenesulfonic acid；The temperature of esterification is 135 DEG C, dispersion temperature
Degree is 75 DEG C；Wherein, 15 parts by weight of rosin, 55 parts by weight of nano material, 25 parts by weight of polyethylene glycol, 1 parts by weight of catalyst, hard
4 parts by weight of resin acid；The average grain diameter of bulky grain microballoon is 0.8mm；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；Inorganic gel is magnesium aluminium silicate gel material
Material；Wherein, 2 parts by weight of bulky grain microballoon, 16 parts by weight of inorganic gel, 3 parts by weight of slag, 4 parts by weight of flyash, fine aggregate 24
Parts by weight, 43 parts by weight of coarse aggregate, 8 parts by weight of water；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance；Curing temperature is 20 DEG C, relatively
Humidity is 96%, time 29d.
Comparative example 1
Comparative example 1 does not add bulky grain microballoon, and concrete raw material directly is added in nano material and carries out mixing, obtained to build
Build concrete.
Embodiment 1-6,1 concrete standard specimen of comparative example press " Standard for inspection and assessment of strength of concrete " (GB/T 50107-
2010) standard is made standard cube sample, conserves at the standard conditions, uses concrete anti-compression in 12d, 28d respectively
Strength-testing machine is tested, and concrete crushing strength is measured；
Infiltration height: referring to test reference standard " normal concrete long-term behaviour and endurance quality test method standard " (GB/T
50082) concrete produced by the present invention is made standard cylinder sample, conserves 28d at the standard conditions by standard, is utilized
Infiltration height method is tested, and concrete water-permeating height is measured.
Table 1:
Claims (10)
1. the preparation method of a kind of nanometer of anti-leakage building concrete, which is characterized in that the detailed process of preparation are as follows:
(1) first rosin and nano material grinding are homogenized, polyethylene glycol, catalyst is added, then heating carries out esterification, instead
After answering, reduces temperature and stearic acid is added and dispersed, then carry out spray congealing, bulky grain microballoon is made；
(2) using bulky grain microballoon made from step (1) as impervious agent, with inorganic gel, slag, flyash, fine aggregate, thick bone
Material, water mixing, are added in concrete mixer, and mix is uniform, mix are made；
(3) water-tight concrete is made in the die-filling, jolt ramming by mix made from step (2), maintenance.
2. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (1)
The nano material be nano silica, nano talc, nanometer calcium carbonate, nano mica powder, in nanometer pyrophillite extremely
Few one kind, partial size are 5 ~ 100nm.
3. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (1)
The catalyst is p-methyl benzenesulfonic acid.
4. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (1)
The temperature of the esterification is 120 ~ 150 DEG C, and dispersion temperature is 70 ~ 80 DEG C.
5. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (1)
In, it is 10 ~ 20 parts by weight of rosin, 43 ~ 67 parts by weight of nano material, 20 ~ 30 parts by weight of polyethylene glycol, 1 ~ 2 parts by weight of catalyst, hard
2 ~ 5 parts by weight of resin acid.
6. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (1)
The partial size of the bulky grain microballoon is 0.5 ~ 1mm.
7. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (2)
The inorganic gel is magnesium aluminium silicate gel material.
8. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (2)
In, 1 ~ 2 parts by weight of bulky grain microballoon, 15 ~ 17 parts by weight of inorganic gel, 2 ~ 4 parts by weight of slag, 3 ~ 5 parts by weight of flyash, thin bone
Expect 22 ~ 26 parts by weight, 36 ~ 50 parts by weight of coarse aggregate, 7 ~ 10 parts by weight of water.
9. the preparation method of a kind of nanometer of anti-leakage building concrete according to claim 1, it is characterised in that: step (3)
The curing temperature is 18 ~ 22 DEG C, and relative humidity is not less than 95%, and the time is 28 ~ 30d.
10. a kind of nanometer of anti-leakage building concrete that any one of claim 1 ~ 9 the method is prepared.
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| CN201811118151.1A CN109206081A (en) | 2018-09-26 | 2018-09-26 | A kind of nanometer of anti-leakage building concrete and preparation method |
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| CN201811118151.1A CN109206081A (en) | 2018-09-26 | 2018-09-26 | A kind of nanometer of anti-leakage building concrete and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002818A (en) * | 2019-04-09 | 2019-07-12 | 济南大学 | A kind of high-densit concrete and preparation method thereof |
| CN110485592A (en) * | 2019-08-20 | 2019-11-22 | 广州市卓爵建筑工程有限公司 | Moisture-proof wall construction method |
| CN112939535A (en) * | 2021-02-22 | 2021-06-11 | 北京市高强混凝土有限责任公司 | Premixed steam-curing-free ultrahigh-performance concrete |
-
2018
- 2018-09-26 CN CN201811118151.1A patent/CN109206081A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002818A (en) * | 2019-04-09 | 2019-07-12 | 济南大学 | A kind of high-densit concrete and preparation method thereof |
| CN110485592A (en) * | 2019-08-20 | 2019-11-22 | 广州市卓爵建筑工程有限公司 | Moisture-proof wall construction method |
| CN112939535A (en) * | 2021-02-22 | 2021-06-11 | 北京市高强混凝土有限责任公司 | Premixed steam-curing-free ultrahigh-performance concrete |
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