CN103936346A - Shale ceramsite pervious ecological concrete - Google Patents
Shale ceramsite pervious ecological concrete Download PDFInfo
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- CN103936346A CN103936346A CN201410099330.0A CN201410099330A CN103936346A CN 103936346 A CN103936346 A CN 103936346A CN 201410099330 A CN201410099330 A CN 201410099330A CN 103936346 A CN103936346 A CN 103936346A
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- haydites
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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
Abstract
The invention provides a shale ceramsite pervious ecological concrete, which is obtained by stirring mixing of total cementitious materials, shale ceramisite, a water reducing agent and water. Specifically, the total cementitious materials include 22.4-34 parts by mass of cement, 5.6-8.7 parts by mass of coal ash and 1.5-4.2 parts by mass of silica fume. The mass part of the shale ceramisite is 35-95, the water reducing agent accounts for 0.2-0.4% of the mass of the total cementitious materials, and water accounts for 22-25% of the mass of the total cementitious materials. In addition to good water permeability, water absorption and breathability, etc., the shale ceramsite pervious concrete provided by the invention also has the characteristics of excellent heat preservation, shock absorption, fire resistance, water purification, gas purification and landscape effect, and can be widely used in the municipal field, the construction engineering field and water environment purification field.
Description
Technical field
The invention belongs to concrete material field, relate in particular to a kind of haydites of book structure pervious ecological concrete.
Background technology
Existing concrete is as the most large manufactured construction materials, brought and also destroyed natural ecological environment civilized time to the mankind.The normal concrete that the engineering components such as traditional road, bay, bank protection are generally prepared by materials such as cement, stone, sand, reinforcing bars forms, seal waterproof, plant cannot grow, and has thoroughly destroyed natural water and soil environment, and ecotope has been caused to significant negative impact.Because the concrete of sealing does not have permeable, ventilation property, surface temperature can reach 40 DEG C～60 DEG C in summer, has aggravated " tropical island effect " in city, and very easily causes gathering of urban rainwater and waterlogging occurs.In addition,, because underground water can not get timely supply, having there is the continuous decrease of ground water table in some cities, and causes construction cracking and inclination.
Summary of the invention
The object of the present invention is to provide a kind of haydites of book structure pervious ecological concrete, be intended to solve that existing concrete infiltration ventilation property poorly causes that urban ecological environment is influenced, tropical island effect, the easy problem of raw waterlogging.
The present invention is achieved in that a kind of haydites of book structure pervious ecological concrete, comprises total gelling material, and described total gelatinous material comprises following by the each component of mass parts:
22.4～34 parts of cement,
5.6～8.7 parts of coal ash,
1.5～4.2 parts of silicon ashes,
Described haydites of book structure pervious ecological concrete also comprises 35～95 mass parts;
Described haydites of book structure pervious ecological concrete also comprises water reducer and water, and the amount of wherein said water reducer is 0.2～0.4% of total gelatinous material quality, and the amount of described water is 22～25% of total gelatinous material quality.
Preferably, described total gelling material comprises following by the each component of mass parts:
23.7～31.4 parts of cement,
5.9～8.0 parts of coal ash,
2.8～3.9 parts of silicon ashes,
Described haydites of book structure pervious ecological concrete comprises the haydites of book structure of 56.7～68.9 parts.
Preferably, described haydites of book structure size is 3～30mm, and 24h water-intake rate is 9～11%, and tap density is 350～950kg/m
3.
Preferably, described haydites of book structure size is 5～20mm, and tap density is 600～670kg/m
3.
Preferably, described haydites of book structure carries out pre-wet treatment before use, described in prewet and be treated to and haydites of book structure invaded in water to bubble 24h reaches capacity after, take out and make haydites of book structure surface air-dry, and in saturated dry surface.
Preferably, described cement is that early-strength type cement or intensity rank are more than 32.5 grades; The kind of described cement is at least one in coal ash cement, slag cement, rapid hardening cement, silicate cement and ordinary Portland cement.
Preferably, described cement is low alkalinity cement.
Preferably, described coal ash is the above coal ash of secondary.
Preferably, SiO in described silicon ash
2content is more than 85%.
Preferably, the water-reducing rate of described water reducer is not less than 20%.
The present invention overcomes the deficiencies in the prior art, a kind of haydites of book structure pervious ecological concrete is provided, by total gelling material, haydites of book structure, water reducer and water are uniformly mixed and are obtained, wherein, total gelling material comprises 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 is 35～95 mass parts, and the amount of water reducer is 0.2～0.4% of total gelling material quality, and the amount of water is 22～25% of total gelatinous material quality.In the present invention, owing to not adopting pottery sand as starting material (or content is atomic), but by selecting haydites of book structure particle to coordinate with other important source material, making to form point-like between haydites of book structure particle contacts, this makes haydites of book structure pervious ecological concrete of the present invention have the spatial grid structure that is similar to Caramel treats sample, this concrete surface and inside are coarse, porous, and moisture content can flow out from lower surface from concrete upper surface pours into.In the present invention, not only can ensure that this haydites of book structure pervious ecological concrete has meets engineering and applies required intensity, and, improve to greatest extent porosity, thereby improve permeable, permeability, on this basis, in the present invention, also reduce as much as possible the alkali content in concrete, highly beneficial plant-growth.
In addition, haydites of book structure pervious ecological concrete of the present invention also has many advantages such as heat retaining property, damping property, resistivity against fire, water purification, pure qi (oxygen), landscape effect.
Haydites of book structure pervious concrete of the present invention not only can be widely used in the municipal field such as road and parking lot in square, walkway, park, also can be widely used in the building engineering fields such as the slope reinforcement of river, lake, irrigation canals and ditches, highway and railway and greening, top, garage and roof greening, and the water surrounding field of purification such as artificial swamp, sewage disposal, river, lake, irrigation canals and ditches and pond substrate purification of water quality.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Example 1
Selection particle size range is that 3mm～30mm, tap density are 350kg/m
3～450kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure, after fully invading bubble 24h reaching capacity, takes out and makes haydites of book structure surface air-dry in water, and in saturated dry surface.
Take respectively 32.5 grades of low alkalinity early-strength type coal ash cement 22.4kg, secondary coal ash 5.6kg, SiO
2content is 85% silicon ash 1.5kg, water reducer 0.2kg, and water 7.7kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.2kg water reducer being mixed with remaining water, add stirrer, stir 1.5min.When wet pulp body forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form ecological permeable haydites of book structure concrete.The porosity recording by this proportioning is that 32%, 28 day ultimate compression strength is 5.0MPa, and coefficient of permeability is 8mm/s, and apparent density is 1090kg/m
3.
Example 2
Selection particle size range is that 5mm～20mm, tap density are 350kg/m
3～950kg/m
3, the water-intake rate 0.1m that is 9～11%
3after invading bubble in haydites of book structure water 24h reaching capacity, take out and make haydites of book structure surface air-dry, and the surface dry condition that reaches capacity.
Take respectively 32.5 intensity level rapid hardening cement 34kg, secondary coal ash 8.7kg, SiO
2content is 86% silicon ash 4.2kg, water reducer 0.1287kg, and water 9.87kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.1287kg water reducer being mixed with remaining water, add stirrer, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 22%, 28 day ultimate compression strength is 6.03MPa, and coefficient of permeability is 6.4mm/s, and apparent density is 1110kg/m
3.
Example 3
Selection particle size range is that 5mm～20mm, tap density are 450kg/m
3～550kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure takes out and makes haydites of book structure surface air-dry after invading bubble in water 24h reaching capacity, and in saturated dry surface.
Take respectively 32.5 intensity level rapid hardening cement 24.8kg, secondary coal ash 6.2kg, SiO
2content is 88% silicon ash 3.1kg, water reducer 0.1023kg, and water 8.2kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.1023kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 21%, 28 day ultimate compression strength is 7.5MPa, and coefficient of permeability is 7.2mm/s, and apparent density is 1178kg/m
3.
Example 4
Selection particle size range is that 5mm～20mm, tap density are 550kg/m
3～650kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure takes out and makes haydites of book structure surface air-dry after invading bubble in water 24h reaching capacity, and in saturated dry surface.
Take respectively 32.5 intensity level silicate cement 23.7kg, secondary coal ash 5.9kg, SiO
2content is 89% silicon ash 3.9kg, water reducer 0.172kg, and water 10.2kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.172kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 15%, 28 day ultimate compression strength is 10.0MPa, and coefficient of permeability is 2.4mm/s, and apparent density is 1198kg/m
3.
Example 5
Selection particle size range is that 5mm～10mm, tap density are 650kg/m
3～750kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure takes out and makes haydites of book structure surface air-dry after invading bubble in water 24h reaching capacity, and in saturated dry surface.
Take respectively 32.5 intensity level low alkalinity silicate cement 31.4kg, secondary coal ash 8.0kg, SiO
2content is 86% silicon ash 3.9kg, water reducer 0.0858kg, and water 8.6kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, more than stirring 1.5min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.0858kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 13%, 28 day ultimate compression strength is 15.0MPa, and coefficient of permeability is 2mm/s, and apparent density is 1238kg/m
3.
Example 6
Selection particle size range is that 5mm～10mm, tap density are 750kg/m
3～850kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure takes out and makes haydites of book structure surface air-dry after invading bubble in water 24h reaching capacity, and in saturated dry surface.
Take respectively 32.5 intensity level low alkalinity slag cement 34kg, secondary coal ash 8.0kg, SiO
2content is 90% silicon ash 4.2kg, water reducer 0.194kg, and water 10.7kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.194kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 11%, 28 day ultimate compression strength is 20.0MPa, and coefficient of permeability is 1.03mm/s, and apparent density is 1400kg/m
3.
Example 7
Selection particle size range is that 3mm～5mm, tap density are 850kg/m
3～950kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure takes out and makes haydites of book structure surface air-dry after invading bubble in water 24h reaching capacity, and in saturated dry surface.
Take respectively 32.5 intensity level low alkalinity slag cement 34kg, secondary coal ash 8.0kg, SiO
2content is 92% silicon ash 4.2kg, water reducer 0.4kg, and water 22kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.4kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 10%, 28 day ultimate compression strength is 10.0MPa, and coefficient of permeability is 1.13mm/s, and apparent density is 1200kg/m
3.
Example 8
Selection particle size range is that 20mm～30mm, tap density are 850kg/m
3～950kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure is invaded bubble 24h in water, reaches capacity, and take out and make haydites of book structure surface air-dry, and in saturated dry surface.
Take respectively 32.5 intensity level silicate cement 34kg, secondary coal ash 8.0kg, SiO
2content is 85% silicon ash 4.2kg, water reducer 0.194kg, and water 10.7kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.194kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 12%, 28 day ultimate compression strength is 12.0MPa, and coefficient of permeability is 1.03mm/s, and apparent density is 1200kg/m
3.
Comparative example 1
Selection particle size range is that 5mm～20mm, tap density are 450kg/m
3～550kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure.
Take respectively 32.5 intensity level rapid hardening cement 24.8kg, secondary coal ash 6.2kg, SiO
2content is 88% silicon ash 3.1kg, water reducer 0.1023kg, and water 30.2kg.
First haydites of book structure is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.1023kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 41%, 28 day ultimate compression strength is 6.5MPa, and coefficient of permeability is 20.2mm/s, and apparent density is 1278kg/m
3.
In comparative example 1, this haydites of book structure pervious ecological concrete coefficient of permeability is excessive, and intensity is too low, apparent poor.
Comparative example 2
Selection particle size range is that 5mm～10mm, tap density are 650kg/m
3～750kg/m
3, the water-intake rate 0.1m that is 9～11%
3haydites of book structure takes out and makes haydites of book structure surface air-dry after invading bubble in water 24h reaching capacity, and in saturated dry surface.
Take respectively 32.5 intensity level low alkalinity silicate cement 41.4kg, secondary coal ash 8.0kg, SiO
2content is 76% silicon ash 3.9kg, water reducer 0.0858kg, and water 8.6kg.
First haydites of book structure dry saturation plane is dropped into forced mixer, more than more total gelling material of cement, coal ash and silicon ash composition being added to stirring 1min, then add the half of proportioning institute water consumption and stir 0.5min, after again 0.0858kg water reducer being mixed with remaining water, pour stirrer into, stir 1.5min.When wet slurry forms level and smooth, glossiness integument on aggregate particle surface, can go out machine, then by building, smooth, vibrate, wipe one's face, the technique whole process such as maintenance, form haydites of book structure pervious ecological concrete.The porosity recording by this proportioning is that 13%, 28 day ultimate compression strength is 15.0MPa, and coefficient of permeability is 2mm/s, and apparent density is 1238kg/m
3.
In comparative example 2, SiO in silicon ash
2content is too low, and the activity decreased of silicon ash need to supplement by many increases cement consumption, and therefore, the haydites of book structure pervious ecological concrete cement content obtaining is just relatively high, and so concrete alkalescence is just large, just unsuitable plant-growth.
Compare and the shortcoming and defect of prior art, the present invention has following beneficial effect:
(1) haydites of book structure pervious concrete of the present invention has high-strength light, permeable, water suction, ventilative distinguishing feature.
(2) haydites of book structure pervious concrete of the present invention has the feature of water purification, pure qi (oxygen), and be suitable for plant-growth, can be widely used in the municipal field such as road and parking lot in square, walkway, park, also can be widely used in the building engineering fields such as the slope reinforcement of river, lake, irrigation canals and ditches, highway and railway and greening, top, garage and roof greening, and the water surrounding field of purification such as artificial swamp, sewage disposal, river, lake, irrigation canals and ditches and pond substrate purification of water quality.
(3) haydites of book structure pervious concrete of the present invention has the features such as heat retaining property, damping property, resistivity against fire be good.
(4) haydites of book structure pervious concrete of the present invention prepare material source extensively, be cheaply easy to get, preparation process is simple, is suitable for industrialization and produces.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a haydites of book structure pervious ecological concrete, is characterized in that, comprises total gelling material, and described total gelatinous material comprises following by the each component of mass parts:
22.4～34 parts of cement,
5.6～8.7 parts of coal ash,
1.5～4.2 parts of silicon ashes;
Described haydites of book structure pervious ecological concrete also comprises the haydites of book structure of 35～95 mass parts;
Described haydites of book structure pervious ecological concrete also comprises water reducer and water, and wherein, the amount of described water reducer is 0.2～0.4% of total gelatinous material quality, and the amount of described water is 22～25% of total gelatinous material quality.
2. haydites of book structure pervious ecological concrete as claimed in claim 1, is characterized in that, described total gelling material comprises following by the each component of mass parts:
23.7～31.4 parts of cement,
5.9～8.0 parts of coal ash,
2.8～3.9 parts of silicon ashes;
Described haydites of book structure pervious ecological concrete comprises the haydites of book structure of 56.7～68.9 parts.
3. haydites of book structure pervious ecological concrete as claimed in claim 2, is characterized in that, described haydites of book structure size is 3～30mm, and 24h water-intake rate is 9～11%, and tap density is 350～950kg/m
3.
4. haydites of book structure pervious ecological concrete as claimed in claim 3, is characterized in that, described haydites of book structure size is 5～20mm, and tap density is 600～670kg/m
3.
5. haydites of book structure pervious ecological concrete as claimed in claim 4, it is characterized in that, described haydites of book structure carries out pre-wet treatment before use, described in prewet and be treated to and haydites of book structure invaded in water to bubble 24h reaches capacity after, taking-up makes haydites of book structure surface air-dry, and in saturated dry surface.
6. haydites of book structure pervious ecological concrete as claimed in claim 1, is characterized in that, described cement is that early-strength type cement or intensity rank are more than 32.5 grades; The kind of described cement is at least one in coal ash cement, slag cement, rapid hardening cement, silicate cement and ordinary Portland cement.
7. haydites of book structure pervious ecological concrete as claimed in claim 6, is characterized in that, described cement is low alkalinity cement.
8. haydites of book structure pervious ecological concrete as claimed in claim 7, is characterized in that, described coal ash is the above coal ash of secondary.
9. haydites of book structure pervious ecological concrete as claimed in claim 8, is characterized in that, SiO in described silicon ash
2content is more than 85%.
10. haydites of book structure pervious ecological concrete as claimed in claim 9, is characterized in that, the water-reducing rate of described water reducer is 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 |
| CN104150846A (en) * | 2014-08-19 | 2014-11-19 | 东南大学 | Ecological remediation-type precast concrete plank and method for reconstructing river hard protection bank as well as restoring riverbed |
| 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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| CN104150846A (en) * | 2014-08-19 | 2014-11-19 | 东南大学 | Ecological remediation-type precast concrete plank and method for reconstructing river hard protection bank as well as restoring riverbed |
| 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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