CN103936346B - A kind of haydites of book structure pervious ecological concrete - Google Patents
A kind of haydites of book structure pervious ecological concrete Download PDFInfo
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- CN103936346B CN103936346B CN201410099330.0A CN201410099330A CN103936346B CN 103936346 B CN103936346 B CN 103936346B CN 201410099330 A CN201410099330 A CN 201410099330A CN 103936346 B CN103936346 B CN 103936346B
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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 invention provides a kind of haydites of book structure pervious ecological concrete, by the way that total binder materials, haydites of book structure, water reducer and water are stirred to obtain, wherein, total binder materials includes 22.4~34 mass parts cement, 5.6~8.7 mass parts coal ash, 1.5~4.2 mass parts silicon ashes, haydites of book structure is 35~95 mass parts, the amount of water reducer is the 0.2~0.4% of total binder materials quality, and the amount of water is the 22~25% of gel rubber material quality.The haydites of book structure pervious concrete of the present invention has the characteristics that well permeable, water suction, breathed freely, in addition, also there is heat insulating ability, damping property, fire resistance, water purification, net gas, the characteristics of landscape effect is excellent, can be widely used for municipal field, building engineering field and water environment field of purification.
Description
Technical field
The invention belongs to concrete material field, more particularly to a kind of haydites of book structure pervious ecological concrete.
Background technology
Existing concrete is used as most large manufactured construction materials, and nature is also destroyed while bringing civilization to the mankind
Ecological environment.The engineering components such as traditional road, bay, bank protection are typically prepared general by materials such as cement, stone, sand, reinforcing bars
Logical concrete is formed, and closing is waterproof, and plant can not grow, and thoroughly destroy nature soil and water resources, ecological environment is caused
Significant negative effect.Because the concrete of closing does not have permeable, gas permeability, surface temperature, up to 40 DEG C~60 DEG C, adds in summer
Acute " tropical island effect " in city, and easily cause the accumulation of urban rainwater and waterlogging occurs.Further, since underground water cannot
Supply in time, there is the continuous decrease of level of ground water in some cities, and cause construction cracking and inclination.
The content of the invention
It is an object of the invention to provide a kind of haydites of book structure pervious ecological concrete, it is intended to solves existing concrete infiltration
Poor air permeability causes the problem of impacted urban ecological environment, tropical island effect, easy raw waterlogging.
The present invention is achieved in that a kind of haydites of book structure pervious ecological concrete, including total binder materials, described total solidifying
Glue material includes each component in parts by mass：
22.4~34 parts of cement,
5.6~8.7 parts of coal ash,
1.5~4.2 parts of silicon ash,
The haydites of book structure pervious ecological concrete also includes 35~95 mass parts；
The haydites of book structure pervious ecological concrete also includes water reducer and water, wherein the amount of the water reducer is total gel
The 0.2~0.4% of quality of materials, the amount of the water are the 22~25% of total gel rubber material quality.
Preferably, total binder materials includes each component in parts by mass：
23.7~31.4 parts of cement,
5.9~8.0 parts of coal ash,
2.8~3.9 parts of silicon ash,
The haydites of book structure pervious ecological concrete includes 56.7~68.9 parts of haydites of book structure.
Preferably, the haydites of book structure particle size is 3~30mm, and 24h water absorption rates are 9~11%, and bulk density is 350
~950kg/m3。
Preferably, the haydites of book structure particle size is 5~20mm, and bulk density is 600~670kg/m3。
Preferably, the haydites of book structure carries out pre-wetted treatment before use, and the pre-wetted treatment is in water by haydites of book structure
In invade after bubble 24h reaches saturation, taking-up air-dries haydites of book structure surface, and is in saturated dry surface.
Preferably, the cement is early-strength cement or intensity rank more than 32.5 grades；The kind of the cement is coal
At least one of ash concrete, slag cements, quick-hardening cement, portland cement and Portland cement.
Preferably, the cement is low alkalinity cement.
Preferably, the coal ash is two level above coal ash.
Preferably, SiO in the silicon ash2Content is more than 85%.
Preferably, the water-reducing rate of the water reducer is not less than 20%.
Overcome the deficiencies in the prior art of the present invention, there is provided a kind of haydites of book structure pervious ecological concrete, by will always be gelled
Material, haydites of book structure, water reducer and water are stirred to obtain, wherein, total binder materials include 22.4~34 parts of cement, 5.6~
8.7 parts of coal ash, 1.5~4.2 parts of silicon ashes, haydites of book structure are 35~95 mass parts, and the amount of water reducer is total binder materials quality
0.2~0.4%, the amount of water is the 22~25% of total gel rubber material quality.In the present invention, due to not using pottery sand as former material
Material（Or content is atomic）, but pass through and coordinated from haydites of book structure particle and other important source materials so that haydites of book structure particle it
Between form point-like contacts, this cause the present invention haydites of book structure pervious ecological concrete have similar to saqima sample rack knot
Structure, the concrete surface and inside are coarse, porous, and moisture content flows out after being poured into from concrete upper surface from lower surface.
In the present invention, it can not only ensure that the haydites of book structure pervious ecological concrete has the intensity met needed for engineer applied, and
And porosity is improved to greatest extent, it is on this basis, in the present invention, also most so as to improve permeable, permeability
Possibly reduce the alkali content in concrete, highly beneficial plant growth.
In addition, the haydites of book structure pervious ecological concrete of the present invention also has heat insulating ability, damping property, fire resistance, water purification, net
Many advantages, such as gas, landscape effect.
The haydites of book structure pervious concrete of the present invention not only can be widely used for square, pavement, road and parking in park
Municipal field, slope reinforcement and greening, the garage tops and roof that can be also widely applied to river, lake, irrigation canals and ditches, highway and railway such as field are green
The building engineering fields such as change, and the water environment such as artificial swamp, sewage disposal, river, lake, irrigation canals and ditches and pond substrate purification of water quality are net
Change field.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Example 1
Selection particle size range is 3mm~30mm, bulk density 350kg/m3~450kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure, fully invaded in water after bubble 24h reaches saturation, taking-up air-dries haydites of book structure surface, and is in saturation plane
Dry state.
32.5 grades of low alkalinities early-strength coal ash cement 22.4kg, two level coal ash 5.6kg, SiO are weighed respectively2Content is 85%
Silicon ash 1.5kg, water reducer 0.2kg, and water 7.7kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then 0.2kg is subtracted
Aqua adds mixer after being mixed with remaining water, stir 1.5min.When wet pulp body formed on aggregate particle surface it is smooth, have light
During the integument in pool, you can go out machine, then by pouring, smooth, the technique overall process such as vibrate, wipe one's face, conserve, that is, formed ecological
Permeable shale ceramisite concrete.The porosity measured by this match ratio is 32%, and 28 days compression strength is 5.0MPa, coefficient of permeability
It is 8mm/s, apparent density is 1090kg/m3。
Example 2
Selection particle size range is 5mm~20mm, bulk density 350kg/m3~950kg/m3, water absorption rate be 9~11%
0.1m3Invaded in haydites of book structure water after bubble 24h reaches saturation, taking-up air-dries haydites of book structure surface, and reaches saturated dry surface.
32.5 intensity level quick-hardening cement 34kg, two level coal ash 8.7kg, SiO are weighed respectively2Content is 86% silicon ash
4.2kg, water reducer 0.1287kg, and water 9.87kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then will
0.1287kg water reducers add mixer after being mixed with remaining water, stir 1.5min.When wet slurry is on aggregate particle surface
When forming smooth, glossiness integument, you can go out machine, then by pouring, smooth, the full mistake of technique such as vibrate, wipe one's face, conserving
Journey, that is, form haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 22%, and compression strength is within 28 days
6.03MPa, coefficient of permeability are 6.4mm/s, and apparent density is 1110kg/m3。
Example 3
Selection particle size range is 5mm~20mm, bulk density 450kg/m3~550kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure is invaded in water after bubble 24h reaches saturation, and taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level quick-hardening cement 24.8kg, two level coal ash 6.2kg, SiO are weighed respectively2Content is 88% silicon ash
3.1kg, water reducer 0.1023kg, and water 8.2kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then will
0.1023kg water reducers pour into mixer after being mixed with remaining water, stir 1.5min.When wet slurry is on aggregate particle surface
When forming smooth, glossiness integument, you can go out machine, then by pouring, smooth, the full mistake of technique such as vibrate, wipe one's face, conserving
Journey, that is, form haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 21%, and compression strength is within 28 days
7.5MPa, coefficient of permeability are 7.2mm/s, and apparent density is 1178kg/m3。
Example 4
Selection particle size range is 5mm~20mm, bulk density 550kg/m3~650kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure is invaded in water after bubble 24h reaches saturation, and taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level portland cement 23.7kg, two level coal ash 5.9kg, SiO are weighed respectively2Content is 89% silicon ash
3.9kg, water reducer 0.172kg, and water 10.2kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then by 0.172kg
Water reducer pours into mixer after being mixed with remaining water, stir 1.5min.When wet slurry formed on aggregate particle surface it is smooth,
During glossiness integument, you can go out machine, then by pouring, smooth, the technique overall process such as vibrate, wipe one's face, conserving, that is, formed
Haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 15%, and 28 days compression strength is 10.0MPa, permeable
Coefficient is 2.4mm/s, and apparent density is 1198kg/m3。
Example 5
Selection particle size range is 5mm~10mm, bulk density 650kg/m3~750kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure is invaded in water after bubble 24h reaches saturation, and taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level low alkalinity portland cement 31.4kg, two level coal ash 8.0kg, SiO are weighed respectively2Content is 86%
Silicon ash 3.9kg, water reducer 0.0858kg, and water 8.6kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, stirs more than 1.5min, then adds half and the stirring of match ratio institute water consumption
0.5min, then mixer is poured into after 0.0858kg water reducers are mixed with remaining water, stir 1.5min.When wet slurry is collecting
Material particle surface is when forming smooth, glossiness integument, you can go out machine, then by pouring, it is smooth, vibrate, wipe one's face, conserving
Etc. technique overall process, that is, form haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 13%, and 28 days anti-
Compressive Strength is 15.0MPa, and coefficient of permeability is 2mm/s, and apparent density is 1238kg/m3。
Example 6
Selection particle size range is 5mm~10mm, bulk density 750kg/m3~850kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure is invaded in water after bubble 24h reaches saturation, and taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level low alkalinity slag cements 34kg, two level coal ash 8.0kg, SiO are weighed respectively2Content is 90% silicon
Grey 4.2kg, water reducer 0.194kg, and water 10.7kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then by 0.194kg
Water reducer pours into mixer after being mixed with remaining water, stir 1.5min.When wet slurry formed on aggregate particle surface it is smooth,
During glossiness integument, you can go out machine, then by pouring, smooth, the technique overall process such as vibrate, wipe one's face, conserving, that is, formed
Haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 11%, and 28 days compression strength is 20.0MPa, permeable
Coefficient is 1.03mm/s, and apparent density is 1400kg/m3。
Example 7
Selection particle size range is 3mm~5mm, bulk density 850kg/m3~950kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure is invaded in water after bubble 24h reaches saturation, and taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level low alkalinity slag cements 34kg, two level coal ash 8.0kg, SiO are weighed respectively2Content is 92% silicon
Grey 4.2kg, water reducer 0.4kg, and water 22kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then 0.4kg is subtracted
Aqua pours into mixer after being mixed with remaining water, stir 1.5min.When wet slurry formed on aggregate particle surface it is smooth, have
During the integument of gloss, you can go out machine, then by pouring, smooth, the technique overall process such as vibrate, wipe one's face, conserving, that is, form page
Rock ceramic granule pervious ecological concrete.The porosity measured by this match ratio is 10%, and 28 days compression strength is 10.0MPa, permeable system
Number is 1.13mm/s, and apparent density is 1200kg/m3。
Example 8
Selection particle size range is 20mm~30mm, bulk density 850kg/m3~950kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure invades bubble 24h in water, reaches saturation, taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level portland cement 34kg, two level coal ash 8.0kg, SiO are weighed respectively2Content is 85% silicon ash
4.2kg, water reducer 0.194kg, and water 10.7kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then by 0.194kg
Water reducer pours into mixer after being mixed with remaining water, stir 1.5min.When wet slurry formed on aggregate particle surface it is smooth,
During glossiness integument, you can go out machine, then by pouring, smooth, the technique overall process such as vibrate, wipe one's face, conserving, that is, formed
Haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 12%, and 28 days compression strength is 12.0MPa, permeable
Coefficient is 1.03mm/s, and apparent density is 1200kg/m3。
Comparative example 1
Selection particle size range is 5mm~20mm, bulk density 450kg/m3~550kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure.
32.5 intensity level quick-hardening cement 24.8kg, two level coal ash 6.2kg, SiO are weighed respectively2Content is 88% silicon ash
3.1kg, water reducer 0.1023kg, and water 30.2kg.
Haydites of book structure is first put into forced mixer, then total binder materials that cement, coal ash and silicon ash are formed adds
Enter and stir more than 1min, then add the half of match ratio institute water consumption and stir 0.5min, then by 0.1023kg water reducers with
Mixer is poured into after remaining water mixing, stirs 1.5min.When wet slurry formed on aggregate particle surface it is smooth, glossiness
During integument, you can go out machine, then by pouring, smooth, the technique overall process such as vibrate, wipe one's face, conserving, that is, form haydites of book structure
Pervious ecological concrete.The porosity measured by this match ratio is 41%, and compression strength is 6.5MPa within 28 days, and coefficient of permeability is
20.2mm/s, apparent density are 1278kg/m3。
In comparative example 1, the haydites of book structure pervious ecological concrete coefficient of permeability is excessive, and intensity is too low, apparent difference.
Comparative example 2
Selection particle size range is 5mm~10mm, bulk density 650kg/m3~750kg/m3, water absorption rate be 9~11%
0.1m3Haydites of book structure is invaded in water after bubble 24h reaches saturation, and taking-up air-dries haydites of book structure surface, and is in the dry shape of saturation plane
State.
32.5 intensity level low alkalinity portland cement 41.4kg, two level coal ash 8.0kg, SiO are weighed respectively2Content is 76%
Silicon ash 3.9kg, water reducer 0.0858kg, and water 8.6kg.
First by saturation plane do haydites of book structure put into forced mixer, then by cement, coal ash and silicon ash composition it is total
Binder materials adds stirring more than 1min, then adds the half of match ratio institute water consumption and stirs 0.5min, then will
0.0858kg water reducers pour into mixer after being mixed with remaining water, stir 1.5min.When wet slurry is on aggregate particle surface
When forming smooth, glossiness integument, you can go out machine, then by pouring, smooth, the full mistake of technique such as vibrate, wipe one's face, conserving
Journey, that is, form haydites of book structure pervious ecological concrete.The porosity measured by this match ratio is 13%, and compression strength is within 28 days
15.0MPa, coefficient of permeability are 2mm/s, and apparent density is 1238kg/m3。
In comparative example 2, SiO in silicon ash2Content is too low, and the activity of silicon ash reduces, it is necessary to by increasing cement more
Dosage is supplemented, and therefore, obtained haydites of book structure pervious ecological concrete cement content is with regard to of a relatively high, then the alkali of concrete
Property just big, just unsuitable plant growth.
Compared to the shortcomings that prior art and deficiency, the invention has the advantages that：
（1）The haydites of book structure pervious concrete of the present invention has high-strength light, permeable, water suction, ventilative distinguishing feature.
（2）The haydites of book structure pervious concrete of the present invention has the characteristics of water purification, net gas, and is suitable to plant growth, can
Be widely used in square, pavement, in park the municipal field such as road and parking lot, can be also widely applied to river, lake, irrigation canals and ditches, highway
With the building engineering field such as the slope reinforcement of railway and greening, garage top and roof greening, and artificial swamp, sewage disposal,
The water environment field of purification such as river, lake, irrigation canals and ditches and pond substrate purification of water quality.
（3）The haydites of book structure pervious concrete of the present invention has the characteristics that heat insulating ability, damping property, fire resistance are excellent.
（4）Extensive, cheap and easily-available, the preparation process letter for preparing material source of the haydites of book structure pervious concrete of the present invention
It is single, suitable for industrialization production.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (5)
1. a kind of haydites of book structure pervious ecological concrete, it is characterised in that including total gel rubber material, total gel rubber material includes
Each component in parts by mass：
22.4~34 parts of cement,
5.6~8.7 parts of coal ash,
1.5~4.2 parts of silicon ash；
The haydites of book structure pervious ecological concrete also includes the haydites of book structure of 35~95 mass parts；
The haydites of book structure pervious ecological concrete also includes water reducer and water, and the amount of the water reducer is total gel rubber material quality
0.2~0.4%, the amount of the water is the 22~25% of total gel rubber material quality；
Described haydites of book structure particle size is 5~20mm, and 24h water absorption rates are 9~11%, and bulk density is 600~670kg/
m3；
The cement be early-strength cement or strength grade at 32.5 grades and more than, and the kind of cement be slag cements, it is fast
At least one of water cement, portland cement and Portland cement；Above-mentioned cement is low alkalinity cement；
SiO in described silicon ash2Content is more than 85%.
2. haydites of book structure pervious ecological concrete according to claim 1, it is characterised in that described total gel rubber material bag
Include each component in parts by mass：
23.7~31.4 parts of cement
5.9~8.0 parts of coal ash
2.8~3.9 parts of silicon ash
The haydites of book structure pervious ecological concrete also includes 56.7~68.9 parts of haydites of book structure.
3. haydites of book structure pervious ecological concrete according to claim 1, it is characterised in that the haydites of book structure is using
Preceding carry out pre-wetted treatment, the pre-wetted treatment are soak in water haydites of book structure after 24h reaches saturation, and taking out makes haydites of book structure
Surface air-dries, and is in saturated dry surface.
4. haydites of book structure pervious ecological concrete according to claim 1, it is characterised in that the coal ash be two level and with
Upper coal ash.
5. haydites of book structure pervious ecological concrete according to claim 1, it is characterised in that the water-reducing rate of the water reducer
Not less than 20%.
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| CN104129963A (en) * | 2014-07-31 | 2014-11-05 | 济南大学 | Light plant-growing concrete applicable to wetland protection project |
| CN104150846B (en) * | 2014-08-19 | 2016-02-10 | 东南大学 | A kind of method of ecological remediation type precast slab and transformation river course rigidity revetment and riverbed reparation |
| CN105130343A (en) * | 2015-07-23 | 2015-12-09 | 北京联合荣大建材有限公司 | Railway traffic sound-absorption and -insulation fireproof light-weight water-permeable material and preparation method thereof |
| CN105272068A (en) * | 2015-11-20 | 2016-01-27 | 叶萌 | Pottery sand water permeable brick and preparation method thereof |
| CN106522164A (en) * | 2017-01-04 | 2017-03-22 | 广州华隧威预制件有限公司 | Shrub planting type ecological concrete component and preparing method thereof |
| CN106966668A (en) * | 2017-05-03 | 2017-07-21 | 广东工业大学 | A kind of haydite regeneration concrete slurry and preparation method thereof |
| CN107192637A (en) * | 2017-06-30 | 2017-09-22 | 华南理工大学 | A kind of method for determining full recycled fine aggregate and the tightly packed optical sand percentage of stone |
| CN108249864A (en) * | 2018-02-11 | 2018-07-06 | 广东工业大学 | A kind of shale ceramisite concrete |
| CN109809773A (en) * | 2019-04-01 | 2019-05-28 | 中国城市科学研究会 | A kind of eco-concrete and the preparation method and application thereof |
| CN111021187A (en) * | 2019-12-18 | 2020-04-17 | 广东特耐石新材料科技有限公司 | Assembled permeable road edge stone and preparation method thereof |
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