CN106396582A - Noise-reducing aerated concrete building block and preparation method thereof - Google Patents
Noise-reducing aerated concrete building block and preparation method thereof Download PDFInfo
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- CN106396582A CN106396582A CN201510447061.7A CN201510447061A CN106396582A CN 106396582 A CN106396582 A CN 106396582A CN 201510447061 A CN201510447061 A CN 201510447061A CN 106396582 A CN106396582 A CN 106396582A
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- 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
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Abstract
The present invention provides a noise-reducing aerated concrete building block and a preparation method thereof, wherein the noise-reducing aerated concrete building block is prepared from the following raw materials by mass: 30-45 parts of cement, 120-150 parts of lime, 10-20 parts of gypsum, 45-60 parts of sand, 400-500 parts of fly ash, 0.5-1 part of aluminum powder, 1-2 parts of a foam stabilizer, 1-2 parts of a water-reducing agent, and 18-27 parts of water. The preparation method comprises: 1) carrying out mixing-material preparing; 2) casting the slurry into a mold, and carrying out static stopping; and 3) cutting, carrying out autoclaved curing in an autoclave, discharging out of the autoclave, and demolding. According to the present invention, the raw material ratio and the process parameters such as the raw material casting, the autoclaved curing and the like during the preparation process are regulated to prepare the noise-reducing aerated concrete building block with characteristics of good pores, effective noise absorbing, strength grade of A3.5, dry density grade of B06, good work performance, and good durability.
Description
Technical field
The present invention relates to a kind of green construction material is and in particular to a kind of noise reduction air-entrained concrete building block and preparation method thereof.
Background technology
Air entrained concrete is a kind of novel wall material adapting to social economy's sustainable development, is widely used as non-bearing external and internal wall.
Air-entrained concrete building block is with cement, Calx, Gypsum Fibrosum and flyash or fluvial sand as primary raw material, with aluminium powder etc. as foaming agent, warp
The porous block materials for wall that the techniques such as steam press maintenance are made.Its structure forms and includes two processes：First is aluminium powder and alkalescence
Reactant aqueous solution produces gas makes slip expand, and the aquation of cement and Calx condenses the physical and chemical process forming loose structure；
Second be (8～12 atmospheric pressure, 175～203 DEG C of saturated vapors) silicon under autoclaved condition, calcareous material occur hydro-thermal reaction make intensity
The physical and chemical process increasing.
Air entrained concrete is that a kind of have countless small, the independent, concrete products of air hole structure that are evenly distributed, overall porosity
Up to 70%～85%, aperture surface area is about 40～50m2/ kg, has that lightweight, thermal and insulating performance is good, has sound insulation and sound-absorbing double
The advantage of principal characteristic energy.Simultaneously as the flourishing pore structure of material is so as to have that density is low, impact resistance is poor, intensity is inclined
Low shortcoming, the raw material of air entrained concrete is chosen and proportioning, and the technological parameter of preparation is all the factor affecting its performance, needs
It is strengthened studying, to overcome existing defect, enable air entrained concrete broader applications in architectural engineering.
Content of the invention
Present invention aim at providing a kind of noise reduction air-entrained concrete building block and preparation method thereof, overcome noise reduction air entrained concrete existing
Have the deficiency of technology, be prepared for having preferable hole, can effectively absorption of noise, strength grade is A3.5 and dry density grade is
The noise reduction air-entrained concrete building block of B06.
For achieving the above object, the present invention employs the following technical solutions：
A kind of noise reduction air-entrained concrete building block, this concrete segment is made up of following raw materials according according to the mass fraction：Cement 30～45
Part, 120～150 parts of Calx, 10～20 parts of Gypsum Fibrosum, 45～60 parts of sand, 400～500 parts of flyash, 0.5～1 part of aluminium powder,
1～2 part of foam stabilizer, 1～2 part of water reducer and 18～27 parts of water.
First preferred version of described noise reduction air-entrained concrete building block, described concrete segment is following former by according to the mass fraction
Material is made：35 parts of cement, 126 parts of Calx, 12 parts of Gypsum Fibrosum, 47 parts of sand, 450 parts of flyash, 1 part of aluminium powder, steady bubble
1.2 parts of agent, 1.2 parts of water reducer and 21 parts of water.
Second preferred version of described noise reduction air-entrained concrete building block, in the raw material of described concrete segment, the ratio of mud is 0.6.
3rd preferred version of described noise reduction air-entrained concrete building block, described cement is portland cement, and described cement grade is
P.O42.5 level；The fineness of described Calx tails over 10～15% with 0.08mm.
4th preferred version of described noise reduction air-entrained concrete building block, the modulus of fineness of described sand is 2.3～2.5；Described fine coal
Ash is national I level flyash.
5th preferred version of described noise reduction air-entrained concrete building block, content >=90% of activated aluminum in described aluminium powder.
6th preferred version of described noise reduction air-entrained concrete building block, described foam stabilizer is tea saponin foam stabilizer, described water reducer
For naphthalene series high-efficiency water-reducing agent.
A kind of preparation method of described noise reduction air-entrained concrete building block, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed proportioning to mix, stir 1～5min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 2～5min, cast slurry enters
Mould, quiet stops 30～80min；
3) cut, steam press maintenance in autoclave, go out kettle form removal.
First optimal technical scheme of the described preparation method of noise reduction air-entrained concrete building block, step 2) described cast temperature
For 40～50 DEG C.
Second optimal technical scheme of the described preparation method of noise reduction air-entrained concrete building block, the technological parameter of described steam press maintenance
For：Evacuation 18～23min, inducing QI 47～52min, are warming up to 180～200 DEG C, and boost 42～48min to 1～1.3MPa, permanent
Pressure 420min, blood pressure lowering 64～68min.
Compared with immediate prior art, the invention has the advantages that：
1) the noise reduction air entrained concrete that the present invention provides overcomes existing air entrained concrete low intensity, the defect of pore poor connectivity；
2) present invention is by the observation to air entrained concrete pore structure, study the raw material ratios such as aluminium powder, Calx, Gypsum Fibrosum to plus
Gas concrete hole structure and the impact of performance；
3) technological parameter such as the cast of present invention research steam-pressing aero-concrete, steam press maintenance to steam-pressing aero-concrete pore structure and
The impact of strength character；
4) the noise reduction air-entrained concrete building block of present invention preparation has preferable hole, energy effectively absorption of noise, strength grade A3.5,
Dry density grade B06, good service behaviour, anti-seismic performance and endurance quality.
Specific embodiment
With reference to embodiments, the present invention is further described in detail, but is not limited to this.
Specific implementation process is with reference to China《Autoclave aerated concrete building block》(GB ll968-2006) and《Absorb sound in acoustic impedance pipe
The measurement part 1 of coefficient and acoustic impedance：Standing-wave ratio method》(GBT 18696.1-2004).
Embodiment 1
A kind of noise reduction air-entrained concrete building block, this concrete segment is made up of following raw materials according according to the mass fraction：35 parts of cement,
126 parts of Calx, 12 parts of Gypsum Fibrosum, 47 parts of sand, 440 parts of flyash, 0.6 part of aluminium powder, 1 part of foam stabilizer, water reducer 1
Part, 21 parts of water.
A kind of preparation method of described noise reduction air-entrained concrete building block, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed said ratio to mix, stir 1min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 3min, cast slurry enters mould,
The temperature of cast is 40 DEG C, quiet stops 40min；
3) cut, steam press maintenance in autoclave, the technological parameter of steam press maintenance is：Evacuation 20min, inducing QI 50min,
It is warming up to 190 DEG C, boost 45min to 1MPa, constant voltage 420min, blood pressure lowering 65min；Go out kettle form removal.
Performance detection is carried out to the Concrete acoustic material of above-mentioned formula and step preparation, result is as shown in table 1.
Table 1
| Density (kg/m3) | 28d comprcssive strength (MPa) | A weighted acoustic absorptivity |
| 598 | 4.02 | 0.449 |
Embodiment 2
A kind of noise reduction air-entrained concrete building block, this concrete segment is made up of following raw materials according according to the mass fraction：35 parts of cement,
126 parts of Calx, 12 parts of Gypsum Fibrosum, 47 parts of sand, 450 parts of flyash, 0.7 part of aluminium powder, 1.2 parts of foam stabilizer, water reducer
1.2 parts, 21 parts of water.
A kind of preparation method of described noise reduction air-entrained concrete building block, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed said ratio to mix, stir 1min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 3min, cast slurry enters mould,
The temperature of cast is 40 DEG C, quiet stops 40min；
3) cut, steam press maintenance in autoclave, the technological parameter of steam press maintenance is：Evacuation 20min, inducing QI 50min,
It is warming up to 190 DEG C, boost 45min to 1MPa, constant voltage 420min, blood pressure lowering 65min；Go out kettle form removal.
Performance detection is carried out to the Concrete acoustic material of above-mentioned formula and step preparation, result is as shown in table 2.
Table 2
| Density (kg/m3) | 28d comprcssive strength (MPa) | A weighted acoustic absorptivity |
| 587 | 4.18 | 0.471 |
Embodiment 3
A kind of noise reduction air-entrained concrete building block, this concrete segment is made up of following raw materials according according to the mass fraction：35 parts of cement,
126 parts of Calx, 12 parts of Gypsum Fibrosum, 47 parts of sand, 450 parts of flyash, 1 part of aluminium powder, 1.2 parts of foam stabilizer, water reducer 1.2
Part, 21 parts of water.
A kind of preparation method of described noise reduction air-entrained concrete building block, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed said ratio to mix, stir 1min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 3min, cast slurry enters mould,
The temperature of cast is 40 DEG C, quiet stops 40min；
3) cut, steam press maintenance in autoclave, the technological parameter of steam press maintenance is：Evacuation 20min, inducing QI 50min,
It is warming up to 190 DEG C, boost 45min to 1MPa, constant voltage 420min, blood pressure lowering 65min；Go out kettle form removal.
Performance detection is carried out to the Concrete acoustic material of above-mentioned formula and step preparation, result is as shown in table 3.
Table 3
| Density (kg/m3) | 28d comprcssive strength (MPa) | A weighted acoustic absorptivity |
| 610 | 3.76 | 0.491 |
Embodiment 4
A kind of noise reduction air-entrained concrete building block, this concrete segment is made up of following raw materials according according to the mass fraction：40 parts of cement,
135 parts of Calx, 15 parts of Gypsum Fibrosum, 50 parts of sand, 480 parts of flyash, 0.8 part of aluminium powder, 1.5 parts of foam stabilizer, water reducer
1.5 parts, 25 parts of water.
A kind of preparation method of described noise reduction air-entrained concrete building block, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed said ratio to mix, stir 3min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 5min, cast slurry enters mould,
The temperature of cast is 45 DEG C, quiet stops 70min；
3) cut, steam press maintenance in autoclave, the technological parameter of steam press maintenance is：Evacuation 18min, inducing QI 48min,
It is warming up to 200 DEG C, boost 42min to 1.2MPa, constant voltage 420min, blood pressure lowering 65min；Go out kettle form removal.
Performance detection is carried out to the Concrete acoustic material of above-mentioned formula and step preparation, result is as shown in table 4.
Table 4
| Density (kg/m3) | 28d comprcssive strength (MPa) | A weighted acoustic absorptivity |
| 600 | 3.82 | 0.465 |
Embodiment 5
A kind of noise reduction air-entrained concrete building block, this concrete segment is made up of following raw materials according according to the mass fraction：45 parts of cement,
150 parts of Calx, 20 parts of Gypsum Fibrosum, 55 parts of sand, 500 parts of flyash, 0.6 part of aluminium powder, 1 part of foam stabilizer, water reducer 1.5
Part, 26 parts of water.
A kind of preparation method of described noise reduction air-entrained concrete building block, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed said ratio to mix, stir 3min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 5min, cast slurry enters mould,
The temperature of cast is 50 DEG C, quiet stops 60min；
3) cut, steam press maintenance in autoclave, the technological parameter of steam press maintenance is：Evacuation 20min, inducing QI 50min,
It is warming up to 190 DEG C, boost 48min to 1.3MPa, constant voltage 420min, blood pressure lowering 65min；Go out kettle form removal.
Performance detection is carried out to the Concrete acoustic material of above-mentioned formula and step preparation, result is as shown in table 5.
Table 5
| Density (kg/m3) | 28d comprcssive strength (MPa) | A weighted acoustic absorptivity |
| 592 | 4.13 | 0.438 |
Above example is only not intended to limit in order to technical scheme to be described, those of ordinary skill in the art should
Understand, the specific embodiment of the present invention can be modified or equivalent with reference to above-described embodiment, these are without departing from this
Any modification of spirit and scope or equivalent are all being applied within pending claims.
Claims (10)
1. a kind of noise reduction air-entrained concrete building block is it is characterised in that this concrete segment is by following raw materials according system according to the mass fraction
Become：30～45 parts of cement, 120～150 parts of Calx, 10～20 parts of Gypsum Fibrosum, 45～60 parts of sand, 400～500 parts of flyash,
0.5～1 part of aluminium powder, 1～2 part of foam stabilizer, 1～2 part of water reducer and 18～27 parts of water.
2. noise reduction air-entrained concrete building block according to claim 1 is it is characterised in that described concrete segment is by by quality
The following raw materials according of number meter is made：35 parts of cement, 126 parts of Calx, 12 parts of Gypsum Fibrosum, 47 parts of sand, 450 parts of flyash,
1 part of aluminium powder, 1.2 parts of foam stabilizer, 1.2 parts of water reducer and 21 parts of water.
3. noise reduction air-entrained concrete building block according to claim 1 is it is characterised in that in the raw material of described concrete segment
The ratio of mud is 0.6.
4. noise reduction air-entrained concrete building block according to claim 1 is it is characterised in that described cement is label P.O42.5
The portland cement of level；The fineness of described Calx tails over 10～15% with 0.08mm.
5. noise reduction air-entrained concrete building block according to claim 1 is it is characterised in that the modulus of fineness of described sand is
2.3～2.5；Described flyash is national I level flyash.
6. noise reduction air-entrained concrete building block according to claim 1 it is characterised in that in described aluminium powder activated aluminum content
>=90%.
7. noise reduction air-entrained concrete building block according to claim 1 is it is characterised in that described foam stabilizer surely steeps for tea saponin
Agent, described water reducer is naphthalene series high-efficiency water-reducing agent.
8. the preparation method of the noise reduction air-entrained concrete building block described in a kind of claim 1, the method comprises the steps：
1) cement, flyash, pulverized limestone, Gypsum Fibrosum and water are pressed proportioning to mix, stir 1～5min；
2) aluminium powder, foam stabilizer and water reducer are added step 1) in gained compound, action of forced stirring 2～5min, cast slurry enters
Mould, quiet stops 30～80min；
3) cut, steam press maintenance in autoclave, go out kettle form removal.
9. the preparation method of noise reduction air-entrained concrete building block according to claim 8 is it is characterised in that step 2) described
The temperature of cast is 40～50 DEG C.
10. the preparation method of noise reduction air-entrained concrete building block according to claim 8 is it is characterised in that described steam pressure is supported
Shield technological parameter be：Evacuation 18～23min, inducing QI 47～52min, are warming up to 180～200 DEG C, and boosting 42～48min is extremely
1～1.3MPa, constant voltage 420min, blood pressure lowering 64～68min.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892673A (en) * | 2017-03-29 | 2017-06-27 | 盐城工学院 | A kind of air entrained concrete containing starch base water reducer and preparation method thereof |
| CN106904991A (en) * | 2017-03-29 | 2017-06-30 | 盐城工学院 | A kind of air entrained concrete and preparation method thereof |
| CN107188490A (en) * | 2017-06-20 | 2017-09-22 | 合肥尚涵装饰工程有限公司 | A kind of air-entrained concrete building block and preparation method thereof |
| CN107382245A (en) * | 2017-07-28 | 2017-11-24 | 长沙理工大学 | A kind of fine coal sand-lime autoclave aerated concrete building block and preparation method thereof |
| CN107915456A (en) * | 2017-11-06 | 2018-04-17 | 巢湖市永安新型建材有限责任公司 | A kind of antidetonation aerating mixed mud building block |
| CN108373313A (en) * | 2018-03-30 | 2018-08-07 | 王景硕 | A kind of preparation method of air entrained concrete |
| CN111517742A (en) * | 2020-05-22 | 2020-08-11 | 江苏美利美新型建材科技有限公司 | Autoclaved aerated concrete integral heat-insulation wallboard and production process thereof |
| CN111943617A (en) * | 2020-07-30 | 2020-11-17 | 楚雄州恒麟建材有限公司 | Autoclaved aerated concrete block manufacturing process |
| CN112159245A (en) * | 2020-10-09 | 2021-01-01 | 四川宏量基筑建材有限公司 | Environment-friendly anti-seepage aerated concrete and preparation method thereof |
| CN112209691A (en) * | 2020-09-04 | 2021-01-12 | 苏州良浦天路新型建材有限公司 | Ash aerated block and preparation method thereof |
| CN112239370A (en) * | 2020-09-25 | 2021-01-19 | 安徽筑园景新型建材科技有限公司 | High-strength aerated concrete block and preparation method thereof |
| CN112341241A (en) * | 2020-11-30 | 2021-02-09 | 浙江开元新型墙体材料有限公司 | Ultra-low dry density autoclaved aerated concrete and production method thereof |
| CN115784697A (en) * | 2022-11-29 | 2023-03-14 | 广州市贤达建材有限公司 | Self-heat-insulation autoclaved aerated building block and preparation process thereof |
| CN115849805A (en) * | 2022-11-25 | 2023-03-28 | 华能陇东能源有限责任公司正宁电厂 | Aerated concrete doped with electrodialysis concentrated power plant strong brine and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641393A (en) * | 2013-11-14 | 2014-03-19 | 河南兴安新型建筑材料有限公司 | Steam-press air-entrainment concrete self-heat conserving building block by using sand of Yellow River and preparation method |
| CN103664114A (en) * | 2013-11-14 | 2014-03-26 | 河南兴安新型建筑材料有限公司 | Self-heat-insulating fly ash autoclaved aerated concrete block and preparation method thereof |
-
2015
- 2015-07-27 CN CN201510447061.7A patent/CN106396582A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641393A (en) * | 2013-11-14 | 2014-03-19 | 河南兴安新型建筑材料有限公司 | Steam-press air-entrainment concrete self-heat conserving building block by using sand of Yellow River and preparation method |
| CN103664114A (en) * | 2013-11-14 | 2014-03-26 | 河南兴安新型建筑材料有限公司 | Self-heat-insulating fly ash autoclaved aerated concrete block and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郭幻 等: "烧结脱硫灰制备蒸压加气混凝土砌块的研究", 《环境工程学报》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892673A (en) * | 2017-03-29 | 2017-06-27 | 盐城工学院 | A kind of air entrained concrete containing starch base water reducer and preparation method thereof |
| CN106904991A (en) * | 2017-03-29 | 2017-06-30 | 盐城工学院 | A kind of air entrained concrete and preparation method thereof |
| CN107188490A (en) * | 2017-06-20 | 2017-09-22 | 合肥尚涵装饰工程有限公司 | A kind of air-entrained concrete building block and preparation method thereof |
| CN107382245A (en) * | 2017-07-28 | 2017-11-24 | 长沙理工大学 | A kind of fine coal sand-lime autoclave aerated concrete building block and preparation method thereof |
| CN107382245B (en) * | 2017-07-28 | 2020-08-04 | 长沙理工大学 | Fly ash-sand autoclaved aerated concrete block and preparation method thereof |
| CN107915456A (en) * | 2017-11-06 | 2018-04-17 | 巢湖市永安新型建材有限责任公司 | A kind of antidetonation aerating mixed mud building block |
| CN108373313A (en) * | 2018-03-30 | 2018-08-07 | 王景硕 | A kind of preparation method of air entrained concrete |
| CN111517742A (en) * | 2020-05-22 | 2020-08-11 | 江苏美利美新型建材科技有限公司 | Autoclaved aerated concrete integral heat-insulation wallboard and production process thereof |
| CN111943617A (en) * | 2020-07-30 | 2020-11-17 | 楚雄州恒麟建材有限公司 | Autoclaved aerated concrete block manufacturing process |
| CN112209691A (en) * | 2020-09-04 | 2021-01-12 | 苏州良浦天路新型建材有限公司 | Ash aerated block and preparation method thereof |
| CN112239370A (en) * | 2020-09-25 | 2021-01-19 | 安徽筑园景新型建材科技有限公司 | High-strength aerated concrete block and preparation method thereof |
| CN112159245A (en) * | 2020-10-09 | 2021-01-01 | 四川宏量基筑建材有限公司 | Environment-friendly anti-seepage aerated concrete and preparation method thereof |
| CN112341241A (en) * | 2020-11-30 | 2021-02-09 | 浙江开元新型墙体材料有限公司 | Ultra-low dry density autoclaved aerated concrete and production method thereof |
| CN115849805A (en) * | 2022-11-25 | 2023-03-28 | 华能陇东能源有限责任公司正宁电厂 | Aerated concrete doped with electrodialysis concentrated power plant strong brine and preparation method thereof |
| CN115784697A (en) * | 2022-11-29 | 2023-03-14 | 广州市贤达建材有限公司 | Self-heat-insulation autoclaved aerated building block and preparation process thereof |
| CN115784697B (en) * | 2022-11-29 | 2024-02-23 | 广州市贤达建材有限公司 | Self-heat-preservation autoclaved aerated block and preparation process thereof |
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