CN108726975A - A kind of preparation method of pervious concrete pavement pavement material - Google Patents
A kind of preparation method of pervious concrete pavement pavement material Download PDFInfo
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- CN108726975A CN108726975A CN201810692973.4A CN201810692973A CN108726975A CN 108726975 A CN108726975 A CN 108726975A CN 201810692973 A CN201810692973 A CN 201810692973A CN 108726975 A CN108726975 A CN 108726975A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
- C04B28/186—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type containing formed Ca-silicates before the final hardening step
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Abstract
The present invention relates to a kind of preparation methods of pervious concrete pavement pavement material, belong to ground surface material technical field.The present invention by and make polyvinyl alcohol and Ludox that semi-intercrossing network occur to connect, the excellent film forming of the existing polyvinyl alcohol of compound adhesive of gained, the hydroxyl in epoxy group and polyvinyl alcohol in epoxy resin, which reacts, generates ether, Ludox is introduced into epoxy resin, being formed has appropriately crosslinked netted system, improves epoxy resin toughness and heat resistance；SiO in flyash2、Al2O3Equal silicate glasses body, chemically reacts with the alkali-activator generated after hydrated cementitious, generates hydrated calcium silicate isogel, reduces the peak value of hydration temperature；The present invention replaces natural aggregate that can turn waste into wealth using recycled aggregate, reduces refuse disposal expense, reduces environmental pollution, recycled aggregate generates fine crack so that the cement mortar of surface adhesion becomes loose during Mechanical Crushing, porosity increases, and pervious concrete water permeability obtained is preferable.
Description
Technical field
The present invention relates to a kind of preparation methods of pervious concrete pavement pavement material, belong to ground surface material technical field.
Background technology
The comprehensive strength of China at this stage constantly enhances, economic, culture, political constantly improve and development, wherein economic hair
It is the swiftest and the most violent to open up the impetus, variation with rapid changepl. never-ending changes and improvements, the construction conduct of urban road, infrastructure etc. are also brought for our cities
City " hardware " is also being constantly updated, and at the same time, also produces many undesirable influences.Such as：Our urban roads are most
Number Expressway Pavement Material is asphalt concrete material, and the air impermeability of asphalt concrete pavement and impermeability, is directly resulted in
Moisture, precipitation in air can not be directed through concrete road surface and enters among soil, this just directly results in ground flora
It is difficult to carry out benign cycle with earth's surface without healthy growth or withered death, air moisture and heat due to a lack of moisture, to
Surface temperature raising is resulted in, is produced " tropical island effect ".The most importantly impermeability and air impermeability of concrete road surface
It results in whenever rainy season road surface drainage difficulty, pumping equipment can only be relied on, such as short time a large amount of precipitation, it is difficult to solve road surface product
Water problems thus greatly reduces the comfort of road surface running vehicle, increases pedestrian's rainy day and goes on a journey danger, to road traffic and society
There can be great hidden danger safely.
Asphalt concrete material is currently the main material applied to urban road surfaces, is because it is with good flat
Whole degree, whole to be laid with no connecting sewing, comfortable quiet noiseless, the clean not airborne dust of driving, laying or repair elapsed time short not
The advantages that influencing traffic and be widely used in the road surface of urban road, but asphalt concrete pavement also has shortcomings, example
Such as：Height temperature stability is poor, and in Seasonal freezing areas with annual temperature change Frozen-thawed cycled, winter low temperature is easy to happen embrittlement, summer
Ji Gaowen is easy softening, and water stability is poor, is also easy to produce Water Damage, and porosity low permeability can be poor.
Currently, the domestic method for preparing pervious concrete mainly use is the rubble coarse aggregate that cementing single-stage is matched,
The performance of the improvement pervious concrete such as a small amount of fine aggregate and polymer modifiers is chosen simultaneously.It is prepared by above method
Although obtained pervious concrete has considerable intensity, due to being added to fine aggregate and a large amount of cement paste so that
The porosity of pervious concrete greatly reduces, to influence the water permeability of pervious concrete.Seepy material is in the application
Maximum problem is that freeze-thaw damage easily occurs for roadbed.
Therefore, a kind of paving material with excellent drainage system is developed, for promoting China environmental protection, reality
Existing sustainable development, pushes the development of public transport cause all to have important practical significance.
Invention content
The technical problems to be solved by the invention：For existing pervious concrete water permeability is poor, height temperature stability
The problem of difference, provides a kind of preparation method of pervious concrete pavement pavement material.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
（1）In mass ratio 1: 7 mixes poly-vinyl alcohol solution with water, in the case where temperature is 80~90 DEG C, at the uniform velocity stirs 1~2h, obtains
Epoxy resin is added at 60~70 DEG C in polyvinyl alcohol water solution, quickly stirs 2~3h, is cooled to room temperature, obtains lotion, by weight
Number meter weighs 0.1~0.3 part of catalyst, 20~30 parts of lotions, 5~7 parts of Ludox, 0.02~0.05 part of pH=8 respectively
PVA antifoaming agent, 0.1~0.16 part of mass fraction are 10% borax soln, and the PVA defoamings of catalyst, pH=8 are added in lotion
Agent, mass fraction are 10% borax soln and Ludox, and 2~3h of isothermal reaction, obtains modified emulsion at 60~70 DEG C；
（2）Count in parts by weight, weigh respectively 80~100 parts of cement, 10~16 parts remodeling lotions, 1~4 part of water-reducing agent, 20~
50 parts of aggregates, 30~50 parts of recycled aggregates, 20~40 parts of flyash, 50~70 parts of deionized waters, by cement, flyash, aggregate
Uniform in stirrer for mixing with recycled aggregate, addition is removed the deionized water of ion water volume 1/2 and is stirred evenly, and is added
Water-reducing agent and the remaining deionized water measured, stir 1~3min, after being eventually adding 1~3min of modified emulsion stirring, discharging,
Enter die for molding, form removal is to get pervious concrete pavement pavement material after conserving 1~2 day under field conditions (factors).
Step（1）The polyvinyl alcohol water solution mixes poly-vinyl alcohol solution with water in mass ratio 1: 7, in temperature
At 80~90 DEG C, at the uniform velocity to stir 1~2h.
Step（1）The epoxy resin is any in bisphenol A type epoxy resin E-44, E51, E42.
Step（1）The mass ratio of the epoxy resin and polyvinyl alcohol water solution is 5: 1.
Step（1）The catalyst is the dibutyl tin laurate and triethylamine that mass ratio is 2: 1.
Step（2）The aggregate is the rubble that grain size is 2.5~5mm.
Step（2）The recycled aggregate is that the Original concrete crushing and screening classification that grade is C30-C40 is got, grain size
For 5~20mm.
Step（2）The water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention in external Drought-wet change, is shown by containing a large amount of hydrophilic radical hydroxyl in polyvinyl alcohol
It is strong to water affinity interaction, mask most of hydroxyl on polyvinyl alcohol using crosslinking agent, and make polyvinyl alcohol and Ludox
Occur semi-intercrossing network connection, the excellent film forming of the existing polyvinyl alcohol of compound adhesive of gained, but have Ludox water resistance and
Hardness, the hydroxyl in epoxy group and polyvinyl alcohol in epoxy resin, which reacts, generates ether, and Ludox is introduced into epoxy
In resin, being formed has appropriately crosslinked netted system, to reduce epoxy resin internal stress, improve epoxy resin toughness and resistance to
It is hot；
（2）SiO in flyash2、Al2O3Equal silicate glasses body, with the alkali-activator Ca (OH) generated after hydrated cementitious2Hair
Biochemical reaction generates hydrated calcium silicate isogel, i.e. volcano ash effect, the early strength of flyash pervious concrete is caused to increase
Long slow, flyash substituting effect makes cement clinker consumption reduce, and the heat of hydration reduces, and volcano ash effect extends hydration reaction mistake
Journey reduces the peak value of hydration temperature；
（3）The present invention replaces natural aggregate that can turn waste into wealth using recycled aggregate, reduction refuse disposal expense, energy-saving and emission-reduction,
It reduces environmental pollution, recycled aggregate produces fine crack during Mechanical Crushing so that the cement mortar of surface adhesion becomes
Loose, porosity increases, and pervious concrete water permeability obtained is preferable.
Specific implementation mode
In mass ratio 1: 7 mixes poly-vinyl alcohol solution with water, in the case where temperature is 80~90 DEG C, at the uniform velocity stirs 1~2h, obtains
Polyvinyl alcohol water solution is cooled to 60~70 DEG C, according to the mass ratio of bisphenol A type epoxy resin E-44 and polyvinyl alcohol water solution
Bisphenol A type epoxy resin E-44 is added for 5: 1, quickly stirs 2~3h, is cooled to room temperature, obtains lotion, count in parts by weight, point
Also known as take 0.1~0.3 part of catalyst, 20~30 parts of lotions, 5~7 parts of Ludox, 0.02~0.05 part of pH=8 PVA antifoaming agent,
0.1~0.16 part of mass fraction is 10% borax soln, and catalyst, the PVA antifoaming agent of pH=8, quality point are added in lotion
Number is 10% borax soln and Ludox, and 2~3h of isothermal reaction, obtains modified emulsion at 60~70 DEG C；It counts in parts by weight, point
Also known as take 80~100 parts of cement, 10~16 parts of remodeling lotions, 1~4 part of water-reducing agent, 20~50 parts of aggregates, 30~50 parts of Regenerated Bones
Material, 20~40 parts of flyash, 50~70 parts of deionized waters, by cement, flyash, aggregate and recycled aggregate in stirrer for mixing
Uniformly, addition is removed the deionized water of ion water volume 1/2 and is stirred evenly, and water-reducing agent and the remaining deionization measured is added
Water stirs 1~3min, and after being eventually adding 1~3min of modified emulsion stirring, discharging pours into die for molding, under field conditions (factors)
Form removal is to get pervious concrete pavement pavement material after maintenance 1~2 day.The catalyst be dibutyl tin laurate and
The mass ratio of triethylamine is 2: 1.
Example 1
In mass ratio 1: 7 mixes poly-vinyl alcohol solution with water, in the case where temperature is 80 DEG C, at the uniform velocity stirs 1h, obtains polyvinyl alcohol water
Solution is cooled to 60 DEG C, is 5: 1 addition bisphenol-As according to the mass ratio of bisphenol A type epoxy resin E-44 and polyvinyl alcohol water solution
Type epoxy resin E-44, quickly stirs 2h, is cooled to room temperature, and obtains lotion, counts in parts by weight, weigh respectively 0.1 part of catalyst,
20 parts of lotions, 5 parts of Ludox, the PVA antifoaming agent of 0.02 part of pH=8,0.1 part of mass fraction are 10% borax soln, in lotion
Middle addition catalyst, the PVA antifoaming agent of pH=8, mass fraction are 10% borax soln and Ludox, the isothermal reaction at 60 DEG C
2h obtains modified emulsion；Count in parts by weight, weigh respectively 80 parts of cement, 10 parts remodeling lotions, 1 part of water-reducing agent, 20 parts of aggregates,
30 parts of recycled aggregates, 20 parts of flyash, 50 parts of deionized waters mix cement, flyash, aggregate and recycled aggregate in blender
Close uniform, addition is removed the deionized water of ion water volume 1/2 and is stirred evenly, be added water-reducing agent and it is remaining measure go from
Sub- water stirs 1min, and after being eventually adding modified emulsion stirring 1min, discharging is poured into die for molding, conserved under field conditions (factors)
Form removal is to get pervious concrete pavement pavement material after 1 day.The catalyst is dibutyl tin laurate and triethylamine
Mass ratio is 2: 1.
Example 2
In mass ratio 1: 7 mixes poly-vinyl alcohol solution with water, in the case where temperature is 85 DEG C, at the uniform velocity stirs 1h, obtains polyvinyl alcohol water
Solution is cooled to 65 DEG C, is 5: 1 addition bisphenol-As according to the mass ratio of bisphenol A type epoxy resin E-44 and polyvinyl alcohol water solution
Type epoxy resin E-44, quickly stirs 2h, is cooled to room temperature, and obtains lotion, counts in parts by weight, weigh respectively 0.2 part of catalyst,
25 parts of lotions, 6 parts of Ludox, the PVA antifoaming agent of 0.035 part of pH=8,0.13 part of mass fraction are 10% borax soln, in breast
It is 10% borax soln and Ludox, the isothermal reaction at 65 DEG C that catalyst, the PVA antifoaming agent of pH=8, mass fraction are added in liquid
2.5h obtains modified emulsion；It counts in parts by weight, weighs 90 parts of cement, 13 parts of remodeling lotions, 3 parts of water-reducing agents, 35 parts of bones respectively
Material, 40 parts of recycled aggregates, 30 parts of flyash, 60 parts of deionized waters, by cement, flyash, aggregate and recycled aggregate in blender
In be uniformly mixed, addition is removed the deionized water of ion water volume 1/2 and is stirred evenly, and water-reducing agent is added and remaining measures
Deionized water stirs 2min, and after being eventually adding modified emulsion stirring 2min, discharging pours into die for molding, under field conditions (factors)
Form removal is to get pervious concrete pavement pavement material after maintenance 1 day.The catalyst is dibutyl tin laurate and three second
The mass ratio of amine is 2: 1.
Example 3
In mass ratio 1: 7 mixes poly-vinyl alcohol solution with water, in the case where temperature is 90 DEG C, at the uniform velocity stirs 2h, obtains polyvinyl alcohol water
Solution is cooled to 70 DEG C, is 5: 1 addition bisphenol-As according to the mass ratio of bisphenol A type epoxy resin E-44 and polyvinyl alcohol water solution
Type epoxy resin E-44, quickly stirs 3h, is cooled to room temperature, and obtains lotion, counts in parts by weight, weigh respectively 0.3 part of catalyst,
30 parts of lotions, 7 parts of Ludox, the PVA antifoaming agent of 0.05 part of pH=8,0.16 part of mass fraction are 10% borax soln, in lotion
Middle addition catalyst, the PVA antifoaming agent of pH=8, mass fraction are 10% borax soln and Ludox, the isothermal reaction at 70 DEG C
3h obtains modified emulsion；Count in parts by weight, weigh respectively 100 parts of cement, 16 parts remodeling lotions, 4 parts of water-reducing agents, 50 parts of aggregates,
50 parts of recycled aggregates, 40 parts of flyash, 70 parts of deionized waters mix cement, flyash, aggregate and recycled aggregate in blender
Close uniform, addition is removed the deionized water of ion water volume 1/2 and is stirred evenly, be added water-reducing agent and it is remaining measure go from
Sub- water stirs 3min, and after being eventually adding modified emulsion stirring 3min, discharging is poured into die for molding, conserved under field conditions (factors)
Form removal is to get pervious concrete pavement pavement material after 2 days.The catalyst is dibutyl tin laurate and triethylamine
Mass ratio is 2: 1.
The paving material of porous pavement pavement material and the production of Shandong company prepared by the present invention is detected,
Specific testing result such as following table table 1：
Detection method：
（1）Intensity test
According to specification《Standard for test methods of mechanical properties of ordinary concrete》（GB/T50081-2002）It is tested；
（2）Coefficient of permeability is tested：
According to specification《Pervious concrete pavement testing regulations》（CJJ/T135-2009）It is tested；
1 pervious concrete pavement pavement material performance characterization of table
Table 1 is it is found that pervious concrete pavement pavement material prepared by the present invention, and water permeability is good, excellent in mechanical performance, can be effective
It is damaged caused by reducing drought and waterlogging road pavement material, has a vast market foreground and application prospect.
Claims (8)
1. a kind of preparation method of pervious concrete pavement pavement material, it is characterised in that the specific steps are：
（1）In mass ratio 1: 7 mixes poly-vinyl alcohol solution with water, in the case where temperature is 80~90 DEG C, at the uniform velocity stirs 1~2h, obtains
Epoxy resin is added at 60~70 DEG C in polyvinyl alcohol water solution, quickly stirs 2~3h, is cooled to room temperature, obtains lotion, by weight
Number meter weighs 0.1~0.3 part of catalyst, 20~30 parts of lotions, 5~7 parts of Ludox, 0.02~0.05 part of pH=8 respectively
PVA antifoaming agent, 0.1~0.16 part of mass fraction are 10% borax soln, and the PVA defoamings of catalyst, pH=8 are added in lotion
Agent, mass fraction are 10% borax soln and Ludox, and 2~3h of isothermal reaction, obtains modified emulsion at 60~70 DEG C；
（2）Count in parts by weight, weigh respectively 80~100 parts of cement, 10~16 parts remodeling lotions, 1~4 part of water-reducing agent, 20~
50 parts of aggregates, 30~50 parts of recycled aggregates, 20~40 parts of flyash, 50~70 parts of deionized waters, by cement, flyash, aggregate
Uniform in stirrer for mixing with recycled aggregate, addition is removed the deionized water of ion water volume 1/2 and is stirred evenly, and is added
Water-reducing agent and the remaining deionized water measured, stir 1~3min, after being eventually adding 1~3min of modified emulsion stirring, discharging,
Enter die for molding, form removal is to get pervious concrete pavement pavement material after conserving 1~2 day under field conditions (factors).
2. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（1）The polyvinyl alcohol water solution mixes poly-vinyl alcohol solution with water in mass ratio 1: 7, is 80~90 DEG C in temperature
Under, at the uniform velocity stir 1~2h.
3. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（1）The epoxy resin is any in bisphenol A type epoxy resin E-44, E51, E42.
4. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（1）The mass ratio of the epoxy resin and polyvinyl alcohol water solution is 5: 1.
5. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（1）The catalyst is the dibutyl tin laurate and triethylamine that mass ratio is 2: 1.
6. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（2）The aggregate is the rubble that grain size is 2.5~5mm.
7. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（2）The recycled aggregate is that the Original concrete crushing and screening classification that grade is C30-C40 is got, and grain size is 5~20mm.
8. a kind of preparation method of pervious concrete pavement pavement material according to claim 1, it is characterised in that：Step
（2）The water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810692973.4A CN108726975A (en) | 2018-06-29 | 2018-06-29 | A kind of preparation method of pervious concrete pavement pavement material |
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| CN201810692973.4A CN108726975A (en) | 2018-06-29 | 2018-06-29 | A kind of preparation method of pervious concrete pavement pavement material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156389A (en) * | 2019-05-22 | 2019-08-23 | 陕西新意达恒众混凝土有限公司 | A kind of production technology and concrete of concrete |
| CN113716909A (en) * | 2021-08-11 | 2021-11-30 | 绍兴职业技术学院 | Method for preparing high-elastic-modulus water-permeable mortar based on urban building waste |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601426A (en) * | 2013-11-11 | 2014-02-26 | 北京新奥混凝土集团有限公司 | C15 permeable concrete prepared by use of building waste and preparation method thereof |
| CN105461262A (en) * | 2015-11-06 | 2016-04-06 | 首钢环境产业有限公司 | Pervious concrete and preparation method thereof |
| CN106116327A (en) * | 2016-06-20 | 2016-11-16 | 山东大元实业股份有限公司 | A kind of pervious concrete utilizing solid-state castoff to produce and preparation method thereof |
-
2018
- 2018-06-29 CN CN201810692973.4A patent/CN108726975A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601426A (en) * | 2013-11-11 | 2014-02-26 | 北京新奥混凝土集团有限公司 | C15 permeable concrete prepared by use of building waste and preparation method thereof |
| CN105461262A (en) * | 2015-11-06 | 2016-04-06 | 首钢环境产业有限公司 | Pervious concrete and preparation method thereof |
| CN106116327A (en) * | 2016-06-20 | 2016-11-16 | 山东大元实业股份有限公司 | A kind of pervious concrete utilizing solid-state castoff to produce and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156389A (en) * | 2019-05-22 | 2019-08-23 | 陕西新意达恒众混凝土有限公司 | A kind of production technology and concrete of concrete |
| CN113716909A (en) * | 2021-08-11 | 2021-11-30 | 绍兴职业技术学院 | Method for preparing high-elastic-modulus water-permeable mortar based on urban building waste |
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Application publication date: 20181102 |