CN109851296A - Pervious concrete aerated bricks - Google Patents
Pervious concrete aerated bricks Download PDFInfo
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- CN109851296A CN109851296A CN201910045265.6A CN201910045265A CN109851296A CN 109851296 A CN109851296 A CN 109851296A CN 201910045265 A CN201910045265 A CN 201910045265A CN 109851296 A CN109851296 A CN 109851296A
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Abstract
The present invention relates to the field of building materials to provide a kind of pervious concrete aerated bricks, the component including following mass fraction for the low problem of the compression strength of pervious concrete aerated bricks: 43-58 parts of flyash；22-30 parts of mountain flour；10-14 parts of lime；58-78 parts of water；10-14 parts of cement；3-4 parts of gypsum；0.08-0.1 parts of aluminium powder；0.08-0.1 parts of steel fibre；0.15-0.2 parts of fish glue powder.By the way that steel fibre is added, be conducive to the hardness for improving pervious concrete aerated bricks, so that the compression strength of pervious concrete aerated bricks improves, so that being not easily susceptible to cracking after the molding of pervious concrete aerated bricks.
Description
Technical field
The present invention relates to the field of building materials, more specifically, it relates to a kind of pervious concrete aerated bricks.
Background technique
Pervious concrete aerated bricks are then to be added a certain proportion of aggregate by cement, water and mixed, poured, rested,
The switch block with some strength of cutting and the steam-cured formation of high temperature and pressure.
In order to improve permeability rate, the inside of pervious concrete aerated bricks is usually in porous honeycomb, so that thoroughly
The internal structure of water coagulation soil is easy to cause the hardness of pervious concrete aerated bricks to decline simultaneously than more loose, so that permeable
The compression strength of concrete reduces, and is easily broken off, therefore, still there is improved space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of pervious concrete aerated bricks, have
The advantages of improving the intensity of pervious concrete aerated bricks.
To achieve the above object, the present invention provides the following technical scheme that
A kind of pervious concrete aerated bricks, the component including following mass fraction:
43-58 parts of flyash；
22-30 parts of mountain flour；
10-14 parts of lime；
58-78 parts of water；
10-14 parts of cement；
3-4 parts of gypsum；
0.08-0.1 parts of aluminium powder；
0.08-0.1 parts of steel fibre；
0.15-0.2 parts of fish glue powder.
By adopting the above technical scheme, by addition steel fibre, be conducive to the hardness for improving pervious concrete aerated bricks, so that
The compression strength of pervious concrete aerated bricks improves, thus be conducive to improve the endurance quality of pervious concrete aerated bricks, so that
It is not easily susceptible to cracking after the molding of pervious concrete aerated bricks；By the way that cement is added, be conducive to improve the stability poured, so that coagulation
The speed of sun-dried mud brick body hardening is accelerated, and the performance for improving concrete green body is conducive to, so that pervious concrete aerated bricks form
Compression strength enhancing afterwards；Alkali is generated after lime hydration, by the way that aluminium powder is added, aluminium powder is easy that heat is reacted and released with alkali, from
And be conducive to accelerate the hardening of concrete green body；Meanwhile aluminium powder is reacted with alkali can also generate hydrogen, so that pervious concrete aerating
Minute bubbles easy to form in brick, and then be conducive to form micropore in pervious concrete aerated bricks, so that pervious concrete aerated bricks
Water penetration enhancing；By be added fish glue powder, fish glue powder have good compatibility and water-retaining property, epithelium easy to form, favorably
In pervious concrete aerated bricks, its outer surface forms protective film during resting, while the consistency of concrete slurry is increased
Greatly, be conducive to pervious concrete aerated bricks formed during resting it is as a form of gel so that pervious concrete aerated bricks are being cut through
Cheng Zhongcheng class jelly state, to be conducive to improve the elasticity and intensity of pervious concrete aerated bricks, so that pervious concrete adds
Gas brick is not easy to collapse in cutting process, convenient for the cutting and molding of pervious concrete aerated bricks, so that pervious concrete
The Forming Quality of aerated bricks improves；In addition, fish glue powder is easy to melt failure under the high temperature conditions, so that fish glue powder is permeable
It is easy to lose effect during the high temperature and pressure of concrete aerated brick is steam-cured, so that fish glue powder is not easy to influence permeable mix
Solidifying soil aerated bricks steam pressure hardness after molding is conducive to the compression strength for improving pervious concrete aerated bricks.
The present invention is further arranged to: further include the component of following mass fraction:
0.3-0.4 parts of agar.
By adopting the above technical scheme, cooperated by the way that agar and fish glue powder is added, be conducive to enhance pervious concrete aerated bricks
Gelatinous effect is formed during resting, and is conducive to pervious concrete aerated bricks and class g., jelly-like is presented in cutting process,
To be conducive to improve pervious concrete aerated bricks elasticity and intensity so that pervious concrete aerated bricks in cutting process not
It is easy to collapse, convenient for the cutting and molding of pervious concrete aerated bricks, so that the Forming Quality of pervious concrete aerated bricks mentions
It is high；Meanwhile agar is also easy to melt failure at high temperature, so that agar is not easy to influence the molding of pervious concrete aerated bricks
Hardness afterwards is conducive to improve pervious concrete aerated bricks compression strength after molding.
The present invention is further arranged to: the mass ratio of the fish glue powder and agar is 1:2.
It by adopting the above technical scheme, is 1:2 by the mass ratio of fish glue powder and agar, so that the cooperation of fish glue powder and agar
Better effect is more advantageous to the g., jelly-like that pervious concrete aerated bricks form gelling during resting, so that pervious concrete
Intensity of the aerated bricks in cutting process and elasticity enhancing, convenient for the cutting and molding of pervious concrete aerated bricks, so that permeable
The molding effect of concrete aerated brick is more preferable.
The present invention is further arranged to: further include the component of following mass fraction:
0.08-1 parts of bamboo fibre.
By adopting the above technical scheme, by the way that bamboo fibre is added, bamboo fibre has good water penetration, is conducive to improve permeable
The water penetration of concrete aerated brick, so that the permeability rate of pervious concrete aerated bricks improves.
The present invention is further arranged to: the bamboo fibre is natural bamboo fibres.
By adopting the above technical scheme, by using natural bamboo fibres, natural fiber can natural degradation in the soil, after decomposition
To environment without any pollution, meet environmentally protective requirement, advantageously reduces the pollution to environment.
The present invention is further arranged to: the cement is portland cement.
By adopting the above technical scheme, by using portland cement, surface the stirring in concrete slurry of portland cement
Mix during mixing may absorbed portion water, silicone hydroxyl is formed, since the polarity of silicone hydroxyl is extremely strong, thus adjacent silicone hydroxyl
Between may be dehydrated to form hydrogen bond, to be conducive to enhance consistency and intensity of the concrete slurry in stationary state, together
When, in the whipping process of concrete slurry, hydrogen bond is easily broken off, so that consistency of the concrete slurry in whipping process
It reduces, convenient for the stirring of concrete slurry.
The present invention is further arranged to: further include the component of following mass fraction:
0.08-0.1 parts of SILICA FUME.
By adopting the above technical scheme, by the way that SILICA FUME is added, there is high-intensitive characteristic using SILICA FUME, be conducive to improve
The compression strength of concrete, so that molding pervious concrete aerated bricks are not easily susceptible to cracking；Meanwhile SILICA FUME and silicate
Contain element silicon in cement, according to similar intermiscibility principle, is conducive to the compatibility for improving each component in concrete slurry, makes
The each component in concrete slurry is obtained to be easier to be blended uniformly, to be conducive to improve the matter of molding pervious concrete aerated bricks
Amount, so that the compression strength of pervious concrete aerated bricks enhances；In addition, silica is also easy to the hydrated product hydrogen-oxygen with cement
Change calcium and secondary reaction of hydration occurs, form gelled product, be conducive to the microstructure for improving slurry, to be conducive to improve molding
Pervious concrete aerated bricks mechanical property and durability.
The present invention is further arranged to: the partial size of the SILICA FUME is 800-1200 mesh.
By adopting the above technical scheme, it is 800-1200 mesh by the partial size of the SILICA FUME of addition, is conducive to improve SILICA FUME
Filing effect add to be conducive to improve pervious concrete so that the compression strength of concrete slurry and durability improve
The compression strength of gas brick；Meanwhile SILICA FUME also advantageously improves rheological property of the pervious concrete aerated bricks in cutting, favorably
In the cutting of pervious concrete aerated bricks, so that the molding effect of pervious concrete aerated bricks improves.
In conclusion the invention has the following advantages:
1. being conducive to the hardness for improving pervious concrete aerated bricks, so that pervious concrete aerating by the way that steel fibre is added
The compression strength of brick improves, so that being not easily susceptible to cracking after the molding of pervious concrete aerated bricks；
2. aluminium powder, which is easy to react with the alkali that lime hydration generates, generates hydrogen, so that being easy shape in pervious concrete aerated bricks
At minute bubbles, to be conducive to form micropore in pervious concrete aerated bricks, so that the water penetration of pervious concrete aerated bricks increases
By force；
3. by the way that fish glue powder is added, fish glue powder has good compatibility and water-retaining property, is conducive to pervious concrete aerating
Brick its outer surface during resting forms protective film, while being conducive to pervious concrete aerated bricks and forming glue during resting
Solidifying shape adds so that pervious concrete aerated bricks are in class jelly state in cutting process to be conducive to raising pervious concrete
The elasticity and intensity of gas brick, convenient for the cutting and molding of pervious concrete aerated bricks so that pervious concrete aerated bricks at
Type Quality advance；
4. fish glue powder is easy to melt failure under the high temperature conditions, so that height of the fish glue powder in pervious concrete aerated bricks
Be easy to lose effect during warm high-pressure steaming and cultivating so that fish glue powder be not easy influence pervious concrete aerated bricks steam pressure at
Hardness after type is conducive to the compression strength for improving pervious concrete aerated bricks.
Specific embodiment
With reference to embodiments, invention is further described in detail.
In following embodiment, flyash uses the article No. of Henan Bo Run founding materials Co., Ltd for the fine coal of BR1007
Ash.
In following embodiment, mountain flour uses the mountain flour of hundred million peak Chemical Industry Science Co., Ltd of Guangzhou.
In following embodiment, lime sings the lime of Chemical Industry Science Co., Ltd using new east station of Guangzhou.
In following embodiment, portland cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In following embodiment, gypsum use the article No. of Jinan Shuai Qi Chemical Co., Ltd. for 1003 land plaster.
In following embodiment, it for 093 granularity is 200 mesh that aluminium powder, which uses the article No. of Shandong Si Taili metal material Co., Ltd,
Aluminium powder.
In following embodiment, steel fibre is fine using the steel of the model Q195 of Yutian County Zhi Tai steel fibre Manufacturing Co., Ltd
Dimension.
In following embodiment, fish glue powder use the commodity bar code of Haizhu District of Guangzhou city Peng Hui trading firm for
16902088900672 fish glue powder.
In following embodiment, agar use the article No. of Wuhan Bing De Biotechnology Co., Ltd for 034 agar powder.
In following embodiment, bamboo fibre uses the natural bamboo fibres of the Jiangmen city Xinhui District town the Shuan Shui perfumery wood Jiang Weihua.
In following embodiment, SILICA FUME uses the SILICA FUME of Guangzhou Gongshi chemical materials Co., Ltd.
Embodiment 1
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 43kg；Mountain flour 22kg；Lime 10kg；Water 58kg；Portland cement 10kg；Gypsum 3kg；Aluminium powder
0.08kg；Steel fibre 0.08kg；Fish glue powder 0.15kg.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
43kg, mountain flour 22kg, lime 10kg, water 58kg, portland cement 10kg, gypsum 3kg, steel fibre 0.08kg, holding temperature are
46 DEG C, 150s is reacted, pre-composition is uniformly mixing to obtain；
(2) aluminium powder 0.08kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.15kg is added while stirring, stirs evenly, obtains concrete slurry；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Embodiment 2
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 26kg；Lime 12kg；Water 63kg；Portland cement 12kg；Gypsum 3.5kg；Aluminium powder
0.09kg；Steel fibre 0.09kg；Fish glue powder 0.17kg.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 26kg, lime 12kg, water 63kg, portland cement 12kg, gypsum 3.5kg, steel fibre 0.09kg keep temperature
It is 46 DEG C, reacts 150s, be uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.17kg is added while stirring, stirs evenly, obtains concrete slurry；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Embodiment 3
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 58kg；Mountain flour 30kg；Lime 14kg；Water 78kg；Portland cement 14kg；Gypsum 4kg；Aluminium powder 0.1kg；
Steel fibre 0.1kg；Fish glue powder 0.2kg.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
58kg, mountain flour 30kg, lime 14kg, water 78kg, portland cement 14kg, gypsum 4kg, steel fibre 0.1kg, keeping temperature is 46
DEG C, 150s is reacted, pre-composition is uniformly mixing to obtain；
(2) aluminium powder 0.1kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.2kg is added while stirring, stirs evenly, obtains concrete slurry；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Embodiment 4
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 26kg；Lime 12kg；Water 63kg；Portland cement 12kg；Gypsum 3.5kg；Aluminium powder
0.09kg；Steel fibre 0.09kg；Fish glue powder 0.2kg；Agar 0.3kg；Natural fiber 0.08kg；SILICA FUME 0.08kg.
In the present embodiment, the partial size of SILICA FUME is 800 mesh.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 26kg, lime 12kg, water 63kg, portland cement 12kg, gypsum 3.5kg, steel fibre 0.09kg, natural fiber
0.08kg, SILICA FUME 0.08kg, keeping temperature is 46 DEG C, reacts 150s, is uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.2kg, agar 0.3kg is added while stirring, stirs evenly, obtains concrete
Slurries；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Embodiment 5
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 26kg；Lime 12kg；Water 63kg；Portland cement 12kg；Gypsum 3.5kg；Aluminium powder
0.09kg；Steel fibre 0.09kg；Fish glue powder 0.17kg；Agar 0.34kg；Natural fiber 0.09kg；SILICA FUME 0.09kg.
In the present embodiment, the partial size of SILICA FUME is 1000 mesh.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 26kg, lime 12kg, water 63kg, portland cement 12kg, gypsum 3.5kg, steel fibre 0.09kg, natural fiber
0.09kg, SILICA FUME 0.09kg, keeping temperature is 46 DEG C, reacts 150s, is uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.17kg, agar 0.34kg is added while stirring, stirs evenly, obtains coagulation
Soil paste liquid；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Embodiment 6
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 26kg；Lime 12kg；Water 63kg；Portland cement 12kg；Gypsum 3.5kg；Aluminium powder
0.09kg；Steel fibre 0.09kg；Fish glue powder 0.2kg；Agar 0.4kg；Natural fiber 0.1kg；SILICA FUME 0.1kg.
In the present embodiment, the partial size of SILICA FUME is 1200 mesh.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 12kg, lime 12kg, water 63kg, portland cement 12kg, gypsum 3.5kg, steel fibre 0.09kg, natural fiber
0.1kg, SILICA FUME 0.1kg, keeping temperature is 46 DEG C, reacts 150s, is uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.2kg, agar 0.4kg is added while stirring, stirs evenly, obtains concrete
Slurries；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Embodiment 7
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 25kg；Lime 11kg；Water 70kg；Portland cement 13kg；Gypsum 3.8kg；Aluminium powder
0.09kg；Steel fibre 0.1kg；Fish glue powder 0.15kg；Agar 0.375kg；Natural fiber 0.08kg；SILICA FUME 0.1kg.
In the present embodiment, the partial size of SILICA FUME is 1100 mesh.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 25kg, lime 11kg, water 70kg, portland cement 13kg, gypsum 3.8kg, steel fibre 0.1kg, natural fiber
0.08kg, SILICA FUME 0.1kg, keeping temperature is 46 DEG C, reacts 150s, is uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after being cooled to room temperature, fish glue powder 0.15kg, agar 0.375kg is added while stirring, stirs evenly, is mixed
Solidifying soil paste liquid；
(4) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(5) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(6) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Comparative example 1
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 26kg；Lime 12kg；Water 63kg；Portland cement 12kg；Gypsum 3.5kg；Aluminium powder
0.09kg。
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 26kg, lime 12kg, water 63kg, portland cement 12kg, gypsum 3.5kg, keeping temperature is 46 DEG C, reaction
150s is uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(4) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(5) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
Comparative example 2
A kind of pervious concrete aerated bricks, the component including following mass fraction:
Flyash 50kg；Mountain flour 26kg；Lime 12kg；Water 63kg；Portland cement 12kg；Gypsum 3.5kg；Aluminium powder
0.09kg；Steel fibre 0.09kg.
Pervious concrete aerated bricks the preparation method is as follows:
(1) it in the stirred tank of 200L, is stirred with the revolving speed of 120r/min, under normal temperature condition, flyash is added in side stirring
50kg, mountain flour 26kg, lime 12kg, water 63kg, portland cement 12kg, gypsum 3.5kg, steel fibre 0.09kg keep temperature
It is 46 DEG C, reacts 150s, be uniformly mixing to obtain pre-composition；
(2) aluminium powder 0.09kg is added to pre-composition obtained in (1) while stirring, is kept for 52 DEG C of temperature, react 50s；
(3) after stirring 4min, concrete slurry is poured into mold, stands 10h-11h；
(4) concrete slurry is separated from mold, and is put into and is cut into required specification size into cutting machine,
Form aerated bricks green body；
(5) by aerated bricks green body be put into autoclave carry out high pressure-temperature it is steam-cured, finally out kettle up to pervious concrete
Aerated bricks.
The detection data of each embodiment is shown in Table 1, and the detection data of each comparative example is shown in Table 2.
Experiment 1
The anti-of molding pervious concrete aerated bricks is detected according to GB/T4111-2013 " concrete segment and brick test method "
Compressive Strength (MPa).
Experiment 2
The cutting situation of the molding pervious concrete aerated bricks of steam pressure is detected, observation pervious concrete aerated bricks are after molding
Appearance, corner is incomplete after record pervious concrete aerated bricks molding and standard compliant qualification rate (%).
Experiment 3
It is detected according to GB/T25993-2010 " standard water-permeable cement concrete coefficient of permeability experimental rig specification " permeable
The coefficient of permeability (mm/s) of concrete aerated brick.
Table 1
Table 2
| Comparative example 1 | Comparative example 2 | |
| Compression strength | 4.1 | 5.6 |
| Qualification rate | 80.5 | 81.3 |
| Coefficient of permeability | 4.65 | 4.68 |
According in table 2 comparative example 1 and the data comparison of comparative example 2 can obtain, in the component ratio comparative example 1 in comparative example 2
Component increased steel fibre newly so that the compression strength that comparative example 2 prepares resulting pervious concrete aerated bricks is mentioned
Height, thus, being conducive to the compression strength for improving pervious concrete aerated bricks by the way that steel fibre is added.
According in table 1 embodiment 1-3 and the data comparison of comparative example 2 can obtain, embodiment 1-3 is than the group in comparative example 2
Divide and has increased fish glue powder newly, and the qualification rate of embodiment 1-3 is greatly improved compared to comparative example 2, thus, by the way that fish is added
Rubber powder, fish glue powder have good water retention property and compatibility, so that pervious concrete is in molding its table in the process of resting
Face protective film easy to form, while being conducive to increase consistency of concrete green body during resting, so that concrete green body is more
The g., jelly-like of gelling easy to form, so that the intensity of concrete green body and elasticity enhancing, are conducive to concrete green body and cut
It cuts to form pervious concrete aerated bricks, so that concrete green body is not easy to collapse in cutting process, and then is conducive to improve saturating
The molding effect of water coagulation soil aerated bricks, so that qualification rate improves.
It can be obtained according to the data comparison of the embodiment 1-3 and embodiment 4-7 in table 1, the component in embodiment 4-7 contains
Fish glue powder and agar, the component in embodiment 1-3 only contain fish glue powder, and the qualification rate in embodiment 4-7 is opposite with implementation
The qualification rate of example 1-3 has certain rising, thus, being cooperated by the way that agar and fish glue powder is added, so that concrete green body exists
The g., jelly-like of gelling is more readily formed during resting, to be more advantageous to intensity of the enhancing concrete green body in cutting process
And elasticity, so that concrete green body is not easy to collapse during cutting, so that the molding of pervious concrete aerated bricks
Effect improves, so that qualification rate has a degree of promotion.
It can be obtained according to embodiment 5, embodiment 6 and the data comparison of embodiment 4, embodiment 7 in table 1, embodiment 5, reality
Applying the mass ratio of fish glue powder and agar in example 6 is 1:2, and the mass ratio for implementing the 4, fish glue powder in embodiment 7 and agar is respectively
1:1.5 and 1:2.5, and the qualification rate of embodiment 4 and embodiment 7 is slightly less than the qualification rate of embodiment 5 and embodiment 6, by
This can be obtained, and the mass ratio of fish glue powder and agar is combined with the molding effect for being conducive to improve pervious concrete aerated bricks for 1:2, be made
The g., jelly-like that gelling is more readily formed in concrete green body during resting is obtained, so that the intensity and bullet of concrete green body
Property improve so that concrete green body is not easy to collapse in cutting process, and then be conducive to improve pervious concrete aerated bricks
Molding effect so that qualification rate has a degree of promotion.
It can be obtained according to the embodiment 1-3 in table 1 with the data comparison for implementing 4-7, the component ratio embodiment in embodiment 4-7
Component in 1-3 has increased SILICA FUME newly, and the compression strength of the compressive strength rate embodiment 1-3 of embodiment 4-7 has to a certain extent
Raising, thus, by be added SILICA FUME, the compression strength of pervious concrete aerated bricks can be improved to a certain extent.
It can be obtained according to the data comparison of the embodiment 1-3 and embodiment 4-7 in table 1, the component ratio in embodiment 4-7 is implemented
Component in example 1-3 has increased bamboo fibre newly, and coefficient of permeability of the coefficient of permeability than embodiment 1-3 of embodiment 4-7 has to a certain degree
On raising, thus, by be added bamboo fibre, the water penetration of pervious concrete aerated bricks can be improved to a certain extent
Can, so that the permeable better effect of pervious concrete aerated bricks.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of pervious concrete aerated bricks, it is characterized in that: including the component of following mass fraction:
43-58 parts of flyash；
22-30 parts of mountain flour；
10-14 parts of lime；
58-78 parts of water；
10-14 parts of cement；
3-4 parts of gypsum；
0.08-0.1 parts of aluminium powder；
0.08-0.1 parts of steel fibre；
0.15-0.2 parts of fish glue powder.
2. pervious concrete aerated bricks according to claim 1, it is characterized in that: further including the component of following mass fraction:
0.3-0.4 parts of agar.
3. pervious concrete aerated bricks according to claim 2, it is characterized in that: the mass ratio of the fish glue powder and agar is
1:2.
4. pervious concrete aerated bricks according to claim 1 to 3, it is characterized in that: further including following mass fraction
Component:
0.08-0.1 parts of bamboo fibre.
5. pervious concrete aerated bricks according to claim 4, it is characterized in that: the bamboo fibre is natural bamboo fibres.
6. pervious concrete aerated bricks according to claim 1 to 3, it is characterized in that: the cement is silicate cement
Mud.
7. pervious concrete aerated bricks according to claim 1 to 3, it is characterized in that: further including following mass fraction
Component:
0.08-0.1 parts of SILICA FUME.
8. pervious concrete aerated bricks according to claim 7, it is characterized in that: the partial size of the SILICA FUME is 800-1200
Mesh.
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| CN201910045265.6A CN109851296A (en) | 2019-01-17 | 2019-01-17 | Pervious concrete aerated bricks |
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Family
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| CN114773083A (en) * | 2022-04-20 | 2022-07-22 | 韶关市顺展新型材料有限公司 | Concrete aerated brick with good durability and preparation method thereof |
| CN115849944A (en) * | 2022-12-21 | 2023-03-28 | 江苏恒尚节能科技股份有限公司 | Aerated concrete block for building curtain wall and preparation method thereof |
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Application publication date: 20190607 |