CN106747174A - Water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material - Google Patents

Water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material Download PDF

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Publication number
CN106747174A
CN106747174A CN201611019565.XA CN201611019565A CN106747174A CN 106747174 A CN106747174 A CN 106747174A CN 201611019565 A CN201611019565 A CN 201611019565A CN 106747174 A CN106747174 A CN 106747174A
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Prior art keywords
water
ardealite
entrained concrete
building block
resistant type
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CN201611019565.XA
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Chinese (zh)
Inventor
孙振平
冀言亮
蒋晓星
唐晓博
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Tongji University
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Tongji University
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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions 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
    • C04B28/142Compositions 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
    • C04B28/143Compositions 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 the synthetic calcium sulfate being phosphogypsum
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, e.g. waterproof or water-repellant materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention relates to building material technical field, and in particular to water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material.It is made up of ardealite, slag powders, cement, useless ceramic powder, sepiolite fibre, aluminium powder, organosilicon and water, the present invention has the advantages that compact structure, bubble are uniform, intensity is high, water-tolerant, also there is good heat insulating effect simultaneously, with preferable economic benefit.

Description

Water-resistant type aerating coagulation prepared by a kind of utilization ardealite hydraulicity composite gel material Earth building blocks
Technical field
The present invention relates to building material technical field, and in particular to one kind utilizes ardealite hydraulicity composite gel material system Standby air-entrained concrete building block.
Background technology
Ardealite is to produce the solid waste in process phosphoric acid, and it contains various toxic chemical substances, arbitrarily stores up not The wasting of resources is only caused, while can also pollute surrounding enviroment.Using ardealite, coordinate various calcareous, siliceous mineral powder systems Standby construction material is one of ardealite important channel of dissolving.As disclosed in patent No. CN102173712 A《Ardealite concrete adds Air parcel》Mineral matter (15-25) %, oxidation using ardealite mineral matter, silica quality percentage composition higher than 80% is calcareous Lime stone (15-25) % of amount percentage composition higher than 50%, quick lime (16-18) %, cement (2-5) % prepared performance compared with It is the air-entrained concrete building block of stabilization;And for example disclosed in the A of CN 102531668《A kind of ardealite carbide slag system aerating coagulation Soil and preparation method thereof》Using the air-entrained concrete building block of the preparations such as cement, ardealite, carbide slag, flyash and foaming agent. But these air-entrained concrete building block poor water resistances, self-strength is relatively low and frost resistance is generally relatively low, thus must not build by laying bricks or stones and building Build below thing absolute altitude ± 0.00 or long-term immersion or frequent by alternation of wetting and drying position.Therefore, ardealite air entrained concrete is improved to build Block itself water resistance, intensity, frost resistance can expand its scope of application, as needed, develop the more excellent aerated bricks gesture of performance Must go.
Contain more sulfate ion in view of the air-entrained concrete building block higher for ardealite volume, and slag powders Aluminum and siliceous substance can be provided simultaneously, substantial amounts of entringite (AFt) can be generated under the alkalescence condition of cement slurry, thus can Greatly improve the water resistance of ardealite air entrained concrete;On the other hand, inside mixing organosilicon can improve aerating coagulation as hydrophober The internal pore surface interfacial property of soil, further improves the water resistance and frost resistance of air entrained concrete.Therefore, it is of the invention by phosphorus stone Cream, slag powders, cement, useless ceramic powder, sepiolite fibre, aluminium powder and organosilicon mixing, ardealite is prepared under autoclaved condition Air-entrained concrete building block.Compared to existing ardealite air-entrained concrete building block, the present invention has intensity high, water resistance, durable The advantages of performance is good.Through retrieval, using ardealite, slag powders, flyash, cement useless ceramic powder, sepiolite fibre and organosilicon Etc. air-entrained concrete building block is prepared, still belong to the first time at home.
The content of the invention
Present invention aim at using ardealite, slag powders, cement, useless ceramic powder, sepiolite fibre, aluminium powder and organosilicon Prepare air-entrained concrete building block, there is provided a kind of intensity is high, the utilization ardealite hydraulicity plural gel of water resistance, excellent in durability Air-entrained concrete building block prepared by material.
Air-entrained concrete building block prepared by utilization ardealite hydraulicity composite gel material proposed by the present invention, using phosphorus stone Air-entrained concrete building block prepared by cream, slag powders, cement, useless ceramic powder, sepiolite fibre, aluminium powder and organosilicon, by ardealite, Slag powders, cement, useless ceramic powder, sepiolite fibre, aluminium powder, organosilicon and water are constituted, and the weight ratio of each component is:
Ardealite 100
Slag powders 125
Cement 10-25
Useless ceramic powder 15-35
Sepiolite fibre 5-10
Aluminium powder 0.2-0.8
Organosilicon 0.5-2
Water 100-130.
Each component preferably weight ratio is:
Ardealite 100
Slag powders 125
Cement 15-20
Useless ceramic powder 25-30
Sepiolite fibre 6-8
Aluminium powder 0.4-0.6
Organosilicon 1-1.5
Water 110-120.
In the present invention, the CaSO of the ardealite4In 75%-90%, unit weight is (0.753-0.823) g/cm to content3, particle A diameter of (5-15) μm.
In the present invention, the slag powders are S95 slag powders, and its dioxide-containing silica is not less than 30%.
In the present invention, the cement is portland cement, and strength grade is 52.5 grades, and specific surface area is 421m2/kg。
In the present invention, the useless ceramic powder is that ceramics factory processes remaining leftover bits, is formed through grinding, its specific surface area It is (320-350) m2/ kg, CaO mass percent are 35%-45%, Al2O3 Mass percent is 10%-20%.
In the present invention, the sepiolite fibre is white solid, and particle size is (8-17) mm.
In the present invention, activated aluminum accounts for more than 87% in the aluminium powder.
In the present invention, the organosilicon is water-emulsion organic silicon, and main component is modified triethoxy methyl silicane.
In the present invention, the water is running water.
The preparation method of air-entrained concrete building block prepared by utilization ardealite composite gelled material proposed by the present invention, specifically Step is as follows:
1) ardealite, slag powders, cement, useless ceramic powder, sepiolite fibre and Hai Pao are weighed respectively by foregoing part by weight Mineral wool, raw material is uniformly mixed by physical mechanical;
2) (50 ± 2) DEG C water is added by foregoing part by weight, is subsequently adding aluminium powder, after stirring, slurry is poured into examination Test mould molding;
3) mould is integrally positioned over standing, cut surface after 4h under temperature (22 ± 2) DEG C, the experimental enviroment of humidity 60% ± 10% Packet header and form removal;
4) test specimen after form removal is positioned over steam curing (10-12) h in (60-80) DEG C still kettle, after in (1.5-2) h drop Warm to room temperature, 7d is then placed under standard curing environment, that is, obtain required air-entrained concrete building block.
In the present invention, ardealite, as hydration reaction can occur after Binder Materials and water mix, produces aquation with slag powders Product, forms the hydrated products such as more entringite.Cement while the hydrated product such as hydrated calcium silicate gel is produced, its water Change product Ca (OH)2The alkalescence condition of formation, promotes inertia silica and the activity of aluminum oxide in slag powders, generates more Entringite product.The distribution of particles of useless ceramic powder can form tightly packed with slag powders, ardealite and cement, and its addition can be improved Air entrained concrete early strength.Sepiolite fibre can improve the water-retaining property of slurry early stage, the insulation of enhancing air entrained concrete with it is heat-insulated Performance;The addition of organosilicon can greatly improve the water resistance of air entrained concrete, and then be improved frost resistance.
The beneficial effects of the present invention are:Utilization ardealite proposed by the present invention, slag powders, cement, useless ceramic powder, Hai Pao Air-entrained concrete building block prepared by mineral wool, aluminium powder, organosilicon and water has that compact structure, bubble are uniform, intensity is high, water resistance Good the advantages of, also with good thermal and insulating performance, with preferable economic benefit.
Specific embodiment
For a better understanding of the present invention, it is with reference to the embodiment content that the present invention is furture elucidated but of the invention Content is not limited solely to the following examples.
Embodiment 1, water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material, respectively Constituent mass ratio is:Ardealite 100, slag powders 125, cement 10, give up ceramic powder 15, sepiolite fibre 5, aluminium powder 0.2, organosilicon 0.5, water 100, air entrained concrete takes following steps to prepare:Ardealite, slag powders, water are weighed respectively by foregoing part by weight Mud, waste material porcelain powder, sepiolite fibre and sepiolite fibre, raw material is well mixed by physical mechanical;Add (50 ± 2) DEG C water, is subsequently adding aluminium powder, after stirring, slurry is poured into test mould shaping, and mould is integrally positioned over temperature (22 ± 2) DEG C, under the experimental enviroment of humidity 60% ± 10% stand, crust and form removal are cut after 4h;Test specimen after form removal is positioned over Steam curing (10-12) h is carried out in (60-80) DEG C still kettle, after be cooled to room temperature in (1.5-2) h, then standard support 7d is placed under retaining ring border, that is, obtains required air-entrained concrete building block.The performance test results are as shown in table 1.
Embodiment 2, water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material, respectively Constituent mass ratio is:Ardealite 100, slag powders 125, cement 25, give up ceramic powder 35, and sepiolite fibre 10, aluminium powder 0.8 is organic Silicon 2, water 130, air entrained concrete takes following steps to prepare:Ardealite, slag powders, water are weighed respectively in aforementioned weight ratio Mud, waste material porcelain powder, sepiolite fibre and sepiolite fibre, raw material is well mixed by physical mechanical;Add (50 ± 2) DEG C water, is subsequently adding aluminium powder, after stirring, slurry is poured into test mould shaping, and mould is integrally positioned over temperature (22 ± 2) DEG C, under the experimental enviroment of humidity 60% ± 10% stand, crust and form removal are cut after 4h;Test specimen after form removal is positioned over Steam thermal curing (10-12) h is carried out in (60-80) DEG C still kettle, after be cooled to room temperature in (1.5-2) h, then in standard 7d is placed under care environments, that is, obtains required air-entrained concrete building block.The performance test results are as shown in table 1.
Embodiment 3, water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material, respectively Constituent mass ratio is:Ardealite 100, slag powders 125, cement 15, give up ceramic powder 25, sepiolite fibre 6, aluminium powder 0.4, organosilicon 1, water 110, air entrained concrete takes following steps to prepare:In aforementioned weight ratio weigh respectively ardealite, slag powders, cement, Waste material porcelain powder, sepiolite fibre and sepiolite fibre, raw material is well mixed by physical mechanical;Add (50 ± 2) DEG C Water, is subsequently adding aluminium powder, after stirring, by slurry pour into test mould shaping, mould is integrally positioned over temperature (22 ± 2) DEG C, static storage under the experimental enviroment of humidity 60% ± 10%, cuts crust and form removal after 4h;Test specimen after form removal is positioned over Steam thermal curing (10-12) h is carried out in (60-80) DEG C still kettle, after be cooled to room temperature in (1.5-2) h, then in standard 7d is placed under care environments, that is, obtains required air-entrained concrete building block.The performance test results are as shown in table 1.
Embodiment 4, water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material, respectively Constituent mass ratio is:Ardealite 100, slag powders 125, cement 20, waste material porcelain powder 30, sepiolite fibre 8, aluminium powder 0.6, organosilicon 1.5, water 120, air entrained concrete takes following steps to prepare:Ardealite, slag powders, water are weighed respectively in aforementioned weight ratio Mud, useless ceramic powder, sepiolite fibre and sepiolite fibre, raw material is well mixed by physical mechanical;Add (50 ± 2) DEG C water, is subsequently adding aluminium powder, after stirring, slurry is poured into test mould shaping, and mould is integrally positioned over temperature (22 ± 2) DEG C, static storage under the experimental enviroment of humidity 60% ± 10%, crust and form removal are cut after 4h;Test specimen after form removal is placed Steam thermal curing (10-12) h is carried out in (60-80) DEG C still kettle, room temperature is cooled to (1.5-2) h, then supported in standard 7d is placed under retaining ring border, that is, obtains required air-entrained concrete building block.The performance test results are as shown in table 1.
The embodiment the performance test results of table 1

Claims (8)

1. the water-resistant type air-entrained concrete building block that prepared by a kind of utilization ardealite hydraulicity composite gel material, it is characterised in that by Ardealite, slag powders, cement, useless ceramic powder, sepiolite fibre, aluminium powder, organosilicon and water are constituted, and the weight ratio of each component is:
Ardealite 100
Slag powders 125
Cement 10-25
Useless ceramic powder 15-35
Sepiolite fibre 5-10
Aluminium powder 0.2-0.8
Organosilicon 0.5-2
Water 100-130.
2. the water-resistant type air entrained concrete that prepared by utilization ardealite hydraulicity composite gel material according to claim 1 is built Block, it is characterised in that the weight ratio of each component is:
Ardealite 100
Slag powders 125
Cement 15-20
Useless ceramic powder 25-30
Sepiolite fibre 6-8
Aluminium powder 0.4-0.6
Organosilicon 1-1.5
Water 110-120.
3. the water-resistant type air entrained concrete that prepared by the utilization ardealite hydraulicity composite gel material according to claim 1 Building block, it is characterised in that the CaSO of the ardealite4In 75%-90%, unit weight is (0.753-0.823) g/cm to content3, particle is straight Footpath is (5-15) μm.
4. the water-resistant type air entrained concrete that prepared by the utilization ardealite hydraulicity composite gel material according to claim 1 Building block, it is characterised in that the slag powders are S95 slag powders, its dioxide-containing silica is not less than 30%.
5. the water-resistant type air entrained concrete that prepared by the utilization ardealite hydraulicity composite gel material according to claim 1 Building block, it is characterised in that the cement is portland cement, strength grade is 52.5 grades, and specific surface area is 421m2/kg。
6. the water-resistant type air entrained concrete that prepared by the utilization ardealite hydraulicity composite gel material according to claim 1 Building block, it is characterised in that the useless ceramic powder is that ceramics factory processes remaining leftover bits, is formed through grinding, and its specific surface area is (320-350)m2/ kg, CaO mass percent are 35%-45%, Al2O3 Mass percent is 10%-20%.
7. the water-resistant type air entrained concrete that prepared by the utilization ardealite hydraulicity composite gel material according to claim 1 Building block, it is characterised in that the sepiolite fibre is white solid, particle size is (8-17) mm, activity in aluminium powder Aluminium accounts for more than 87%.
8. a kind of water-resistant type aerating for being prepared using ardealite hydraulicity composite gel material as defined in claim 1 is mixed The preparation method of solidifying earth building blocks, it is characterised in that comprise the following steps that:
(1)Weigh ardealite, slag powders, cement, waste material porcelain powder, sepiolite fibre and sepiolite respectively by raw material proportioning fine Dimension, raw material is well mixed by physical mechanical;
(2)(50 ± 2) DEG C water is added by foregoing part by weight, aluminium powder is subsequently adding, after stirring, slurry examination is poured into Test mould molding,
(3)Mould is integrally positioned over standing, cut surface after 4h under temperature (22 ± 2) DEG C, the experimental enviroment of humidity 60% ± 10% Packet header and form removal;
(4)Test specimen after form removal is positioned in (60-80) DEG C still kettle carries out steam curing (10-12) h, then at (1.5-2) Room temperature is cooled in h, 7d is then placed under standard curing environment, that is, obtain required air-entrained concrete building block.
CN201611019565.XA 2016-11-21 2016-11-21 Water-resistant type air-entrained concrete building block prepared by a kind of utilization ardealite hydraulicity composite gel material Pending CN106747174A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108409248A (en) * 2018-04-18 2018-08-17 王汉桥 A kind of Industrial Solid Waste original state Ardealite block and preparation method thereof
CN108911675A (en) * 2018-08-22 2018-11-30 钟祥三和建材有限公司 Using fluorgypsum as the autoclaved lime-sand brick of raw material and its production method
CN111559896A (en) * 2020-05-08 2020-08-21 张延年 Foaming phosphogypsum building block and preparation method thereof

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* Cited by examiner, † Cited by third party
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CN108409248A (en) * 2018-04-18 2018-08-17 王汉桥 A kind of Industrial Solid Waste original state Ardealite block and preparation method thereof
CN108911675A (en) * 2018-08-22 2018-11-30 钟祥三和建材有限公司 Using fluorgypsum as the autoclaved lime-sand brick of raw material and its production method
CN108911675B (en) * 2018-08-22 2020-11-24 钟祥三和建材有限公司 Autoclaved sand-lime brick taking fluorgypsum as raw material and production method thereof
CN111559896A (en) * 2020-05-08 2020-08-21 张延年 Foaming phosphogypsum building block and preparation method thereof

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