CN116947369A - Reinforcing agent for commodity permeable concrete of mixing station, and preparation method and construction process thereof - Google Patents
Reinforcing agent for commodity permeable concrete of mixing station, and preparation method and construction process thereof Download PDFInfo
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- CN116947369A CN116947369A CN202310741766.4A CN202310741766A CN116947369A CN 116947369 A CN116947369 A CN 116947369A CN 202310741766 A CN202310741766 A CN 202310741766A CN 116947369 A CN116947369 A CN 116947369A
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- permeable concrete
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- reinforcing agent
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- 239000004567 concrete Substances 0.000 title claims abstract description 61
- 239000012744 reinforcing agent Substances 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 238000002156 mixing Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011380 pervious concrete Substances 0.000 claims abstract description 33
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000007822 coupling agent Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- -1 polypropylene Polymers 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000004743 Polypropylene Substances 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 claims abstract description 12
- 239000000701 coagulant Substances 0.000 claims abstract description 11
- 239000002861 polymer material Substances 0.000 claims abstract description 11
- 239000010881 fly ash Substances 0.000 claims abstract description 10
- 239000004816 latex Substances 0.000 claims abstract description 10
- 229920000126 latex Polymers 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 37
- 239000004568 cement Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 7
- 239000011398 Portland cement Substances 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 3
- 235000010288 sodium nitrite Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000012615 aggregate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The application relates to the technical field of reinforcing agents for permeable concrete, and discloses a reinforcing agent for commodity permeable concrete of a mixing station, a preparation method and a construction process thereof, wherein the reinforcing agent for commodity permeable concrete of the mixing station comprises the following components in percentage by mass: 60-70% of nanoscale silica powder, 8-15% of fly ash, 2-4% of water reducer, 5-10% of dispersible latex powder, 20-30% of polypropylene crude fiber, 20-30% of polyurethane high polymer material, 1-3% of coagulant, 3-5% of coupling agent, 1-3% of antioxidant and 3-5% of early strength agent; the reinforcing agent can improve the compressive strength of the pervious concrete under the condition of ensuring the water permeability by the polypropylene crude fiber in the components of the reinforcing agent when in use, and can also improve the durability of the pervious concrete, so that the pervious concrete is not easy to crack after being molded, the service life of the pervious concrete is prolonged, the use effect of the reinforcing agent is better, the practicability is stronger, and meanwhile, the condition of being transported to a construction site is good after being transported for a long time.
Description
Technical Field
The application relates to the technical field of reinforcing agents for permeable concrete, in particular to a reinforcing agent for commercial permeable concrete of a mixing station, a preparation method and a construction process thereof.
Background
The permeable concrete is also called porous concrete, sand-free concrete and permeable terrace. Is a porous lightweight concrete which is prepared by mixing aggregate, cement, reinforcing agent and water, and does not contain fine aggregate. The pervious concrete is characterized in that a thin layer of cement paste is coated on the surface of coarse aggregate and is mutually bonded to form a honeycomb structure with uniformly distributed holes, so that the pervious concrete has the characteristics of ventilation, water permeability and light weight. The permeable concrete is mortar-free porous concrete with high permeability, the products made of the permeable concrete form a large number of pores, the contact between the aggregates of the products is point contact, and the cement is only used to achieve the required bonding strength, so that the reinforcing agent is needed. The concrete reinforcing agent is added together with the concrete additive in the process of mixing concrete to improve the compressive strength of the concrete, thereby achieving the purposes of reducing the consumption of cementing materials and saving the production cost of the concrete.
However, most of the existing reinforcing agents for the commercial permeable concrete of the mixing plant cannot enable the permeable concrete after the reinforcing agents are used to have good water permeability and good compressive resistance and flexural strength, so that the reinforcing agents are not good in use effect and poor in practicability.
Disclosure of Invention
The application mainly solves the technical problem of providing the reinforcing agent for the commodity permeable concrete of the mixing station, and the preparation method and the construction process thereof, and can solve the problems in the background technology.
In order to solve the technical problems, according to one aspect of the application, the reinforcing agent for the commercial permeable concrete of the mixing station comprises the following components in percentage by mass: 60-70% of nanoscale silica powder, 8-15% of fly ash, 2-4% of water reducer, 5-10% of dispersible latex powder, 20-30% of polypropylene crude fiber, 20-30% of polyurethane high polymer material, 1-3% of coagulant, 3-5% of coupling agent, 1-3% of antioxidant and 3-5% of early strength agent.
Still further, the antioxidant may be one or more of antioxidant 1010, antioxidant CA and antioxidant 168.
Still further, the setting accelerator is at least one of sodium silicate, sodium aluminate, aluminum sulfate and lithium carbonate.
Further, the early strength agent adopts at least one of sodium sulfate, sodium acetate, triethanolamine and sodium nitrite.
Further, the coupling agent adopts rare earth aluminate coupling agent.
Furthermore, the water reducer adopts a polycarboxylic acid high-efficiency water reducer.
A method for preparing a reinforcing agent for a commodity permeable concrete of a mixing plant, comprising the reinforcing agent for a commodity permeable concrete of a mixing plant according to any one of claims 1 to 6, comprising the steps of:
s1, proportioning nanoscale silicon powder, fly ash, a water reducer, dispersible latex powder, polypropylene crude fiber, polyurethane high polymer material, a coagulant, a coupling agent, an antioxidant and an early strength agent with specified mass values according to mass proportions;
s2, placing the proportioned nanoscale silica powder and fly ash into stirring equipment, adding the proportioned water reducer, the dispersible latex powder and the polypropylene crude fiber in the process of uniformly stirring, and continuously stirring for a period of time;
s3, adding the coagulant, the coupling agent, the antioxidant and the early strength agent after stirring for a period of time to perform further stirring reaction;
and S4, adding a polyurethane polymer material to perform continuous high-speed uniform stirring, and stirring until the finished product is uniformly dispersed and no particles or bubbles exist, thereby obtaining the permeable concrete reinforcing agent.
A construction process of a mixing plant commodity pervious concrete, comprising the reinforcing agent for the mixing plant commodity pervious concrete according to any one of claims 1 to 6, comprising the following steps:
s1, preparation before construction: proportioning cement, stones, reinforcing agents and water according to the construction requirement;
s2, stirring and mixing before construction: firstly, adding water with half of the designed water consumption into a stirrer, adding proportioned cement, stones and reinforcing agents into the stirrer to stir for 60 seconds, adding the rest half of water, continuously stirring for 60 seconds, and discharging to obtain finished permeable concrete;
s3, transportation before construction: the water permeable concrete which is uniformly stirred and finished is transported to a designated place (construction site) through the transportation equipment, and the loss of water is reduced by adopting the tarpaulin in the transportation process.
S4, paving construction: the transported pervious concrete is placed in a specified range for flattening, a low-frequency flat plate or a small road roller is used for tamping after flattening (the model of the road roller is selected according to the thickness of the pervious concrete), the height is reasonably controlled during surface layer construction, the compacted height is consistent with the design height, and a concrete trowelling machine is used for trowelling after flattening in time;
s5, maintenance after construction: and after the permeable concrete pouring is finished, timely covering the curing film, and timely performing moisture-preserving curing on the surface of the permeable concrete layer, and timely covering the curing film. And simultaneously, cutting the joint in time according to the temperature condition after 48 hours.
S6, construction of finish paint: and (3) flushing and cleaning surface garbage, and spraying polyurethane finish paint after the permeable concrete layer is completely dried.
Still further, the cement is Portland cement or Portland cement, numbered 42.5.
The reinforcing agent for the commodity permeable concrete of the stirring station, and the preparation method and the construction process thereof have the beneficial effects that:
when the reinforcing agent is used, the polypropylene crude fiber in the components of the reinforcing agent ensures that the compressive strength of the pervious concrete can be improved under the condition that the water permeability of the pervious concrete is ensured, and the durability of the pervious concrete can also be improved, so that the pervious concrete is not easy to crack after being molded, the service life of the pervious concrete is prolonged, and the reinforcing agent is good in use effect and strong in practicability;
when the reinforcing agent is used, the polyurethane polymer materials in the components can better enable each filler in the pervious concrete to be attached to the surface of cement, and the toughness of the pervious concrete can be improved, so that the fluidity of the pervious concrete is improved, and the permeability of the pervious concrete can be reduced;
when the reinforcing agent is used, the water content of the pervious concrete can be reduced through the water reducing agent in the components, the compressive strength of the pervious concrete is increased, and meanwhile, the early strength of the pervious concrete can be further improved through the early strength agent;
the preparation method of the reinforcing agent has the characteristics of simple operation, no need of special equipment and convenient operation.
Drawings
The application will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic flow diagram of a method for preparing a reinforcing agent for a commercial permeable concrete in a mixing plant according to the present application;
FIG. 2 is a schematic flow structure diagram of a construction process of commodity permeable concrete of a mixing plant.
Detailed Description
The application will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
According to one aspect of the application, a reinforcing agent for a commercial permeable concrete of a mixing plant is provided, which comprises the following components in percentage by mass: 60-70% of nanoscale silica powder, 8-15% of fly ash, 2-4% of water reducing agent, 5-10% of dispersible latex powder, 20-30% of polypropylene crude fiber, 20-30% of polyurethane polymer material, 1-3% of coagulant, 3-5% of coupling agent, 1-3% of antioxidant and 3-5% of early strength agent.
In this embodiment, the antioxidant is one or more of antioxidant 1010, antioxidant CA and antioxidant 168.
In this embodiment, the accelerator is at least one of sodium silicate, sodium aluminate, aluminum sulfate, and lithium carbonate.
In this embodiment, the early strength agent is at least one of sodium sulfate, sodium acetate, triethanolamine and sodium nitrite, and when in operation, the early strength of the pervious concrete can be further improved by the early strength agent.
In this example, the coupling agent is a rare earth aluminate coupling agent.
In the embodiment, the water reducer adopts the polycarboxylic acid high-efficiency water reducer, and the water reducer in the components of the enhancer can reduce the water content of the pervious concrete and increase the compressive strength of the pervious concrete when in use.
A method for preparing a reinforcing agent for a commodity permeable concrete of a mixing plant, comprising the reinforcing agent for a commodity permeable concrete of a mixing plant according to any one of claims 1 to 6, comprising the steps of:
s1, proportioning nanoscale silicon powder, fly ash, a water reducer, dispersible latex powder, polypropylene crude fiber, polyurethane high polymer material, a coagulant, a coupling agent, an antioxidant and an early strength agent with specified mass values according to mass proportions;
s2, placing the proportioned nanoscale silica powder and fly ash into stirring equipment, adding the proportioned water reducer, the dispersible latex powder and the polypropylene crude fiber in the process of uniformly stirring, and continuously stirring for a period of time;
s3, adding the coagulant, the coupling agent, the antioxidant and the early strength agent after stirring for a period of time to perform further stirring reaction;
and S4, adding a polyurethane polymer material to perform continuous high-speed uniform stirring, and stirring until the finished product is uniformly dispersed and no particles or bubbles exist, thereby obtaining the permeable concrete reinforcing agent.
A construction process of a mixing plant commodity pervious concrete, comprising the reinforcing agent for the mixing plant commodity pervious concrete according to any one of claims 1 to 6, comprising the following steps:
s1, preparation before construction: proportioning cement, stones, reinforcing agents and water according to the construction requirement;
s2, stirring and mixing before construction: firstly, adding water with half of the designed water consumption into a stirrer, adding proportioned cement, stones and reinforcing agents into the stirrer to stir for 60 seconds, adding the rest half of water, continuously stirring for 60 seconds, and discharging to obtain finished permeable concrete;
s3, transportation before construction: the water permeable concrete which is uniformly stirred and finished is transported to a designated place (construction site) through the transportation equipment, and the loss of water is reduced by adopting the tarpaulin in the transportation process.
S4, paving construction: the transported pervious concrete is placed in a specified range for flattening, a low-frequency flat plate or a small road roller is used for tamping after flattening (the model of the road roller is selected according to the thickness of the pervious concrete), the height is reasonably controlled during surface layer construction, the compacted height is consistent with the design height, and a concrete trowelling machine is used for trowelling after flattening in time;
s5, maintenance after construction: and after the permeable concrete pouring is finished, timely covering the curing film, and timely performing moisture-preserving curing on the surface of the permeable concrete layer, and timely covering the curing film. And simultaneously, cutting the joint in time according to the temperature condition after 48 hours.
S6, construction of finish paint: and (3) flushing and cleaning surface garbage, and spraying polyurethane finish paint after the permeable concrete layer is completely dried.
In this embodiment, the cement is 42.5 index Portland cement or Portland cement.
Of course, the above description is not intended to limit the application, but rather the application is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the application will be within the scope of the application.
Claims (9)
1. The reinforcing agent for the commodity permeable concrete of the stirring station is characterized in that: comprises the following components in percentage by mass: 60-70% of nanoscale silica powder, 8-15% of fly ash, 2-4% of water reducer, 5-10% of dispersible latex powder, 20-30% of polypropylene crude fiber, 20-30% of polyurethane high polymer material, 1-3% of coagulant, 3-5% of coupling agent, 1-3% of antioxidant and 3-5% of early strength agent.
2. The reinforcing agent for the commodity permeable concrete of the stirring station according to claim 1, wherein: the antioxidant adopts one or a combination of more of antioxidant 1010, antioxidant CA and antioxidant 168.
3. The reinforcing agent for the commodity permeable concrete of the stirring station according to claim 1, wherein: the coagulant is at least one of sodium silicate, sodium aluminate, aluminum sulfate and lithium carbonate.
4. The reinforcing agent for the commodity permeable concrete of the stirring station according to claim 1, wherein: the early strength agent adopts at least one of sodium sulfate, sodium acetate, triethanolamine and sodium nitrite.
5. The reinforcing agent for the commodity permeable concrete of the stirring station according to claim 1, wherein: the coupling agent adopts rare earth aluminate coupling agent.
6. The reinforcing agent for the commodity permeable concrete of the stirring station according to claim 1, wherein: the water reducer adopts a polycarboxylic acid high-efficiency water reducer.
7. A method for preparing a reinforcing agent for a commodity permeable concrete of a mixing plant, which comprises the reinforcing agent for the commodity permeable concrete of the mixing plant as set forth in any one of claims 1 to 6, and is characterized in that: the method comprises the following steps:
s1, proportioning nanoscale silicon powder, fly ash, a water reducer, dispersible latex powder, polypropylene crude fiber, polyurethane high polymer material, a coagulant, a coupling agent, an antioxidant and an early strength agent with specified mass values according to mass proportions;
s2, placing the proportioned nanoscale silica powder and fly ash into stirring equipment, adding the proportioned water reducer, the dispersible latex powder and the polypropylene crude fiber in the process of uniformly stirring, and continuously stirring for a period of time;
s3, adding the coagulant, the coupling agent, the antioxidant and the early strength agent after stirring for a period of time to perform further stirring reaction;
and S4, adding a polyurethane polymer material to perform continuous high-speed uniform stirring, and stirring until the finished product is uniformly dispersed and no particles or bubbles exist, thereby obtaining the permeable concrete reinforcing agent.
8. A construction process of a mixing plant commodity pervious concrete, comprising the reinforcing agent for the mixing plant commodity pervious concrete as set forth in any one of claims 1 to 6, characterized in that: the method comprises the following steps:
s1, preparation before construction: proportioning cement, stones, reinforcing agents and water according to the construction requirement;
s2, stirring and mixing before construction: firstly, adding water with half of the designed water consumption into a stirrer, adding proportioned cement, stones and reinforcing agents into the stirrer to stir for 60 seconds, adding the rest half of water, continuously stirring for 60 seconds, and discharging to obtain finished permeable concrete;
s3, transportation before construction: the water permeable concrete which is uniformly stirred and finished is transported to a designated place (construction site) through the transportation equipment, and the loss of water is reduced by adopting the tarpaulin in the transportation process.
S4, paving construction: the transported pervious concrete is placed in a specified range for flattening, a low-frequency flat plate or a small road roller is used for tamping after flattening (the model of the road roller is selected according to the thickness of the pervious concrete), the height is reasonably controlled during surface layer construction, the compacted height is consistent with the design height, and a concrete trowelling machine is used for trowelling after flattening in time;
s5, maintenance after construction: and after the permeable concrete pouring is finished, timely covering the curing film, and timely performing moisture-preserving curing on the surface of the permeable concrete layer, and timely covering the curing film. And simultaneously, cutting the joint in time according to the temperature condition after 48 hours.
S6, construction of finish paint: and (3) flushing and cleaning surface garbage, and spraying polyurethane finish paint after the permeable concrete layer is completely dried.
9. The construction process of permeable concrete according to claim 8, wherein the cement is 42.5-numbered Portland cement or Portland cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310741766.4A CN116947369A (en) | 2023-06-21 | 2023-06-21 | Reinforcing agent for commodity permeable concrete of mixing station, and preparation method and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310741766.4A CN116947369A (en) | 2023-06-21 | 2023-06-21 | Reinforcing agent for commodity permeable concrete of mixing station, and preparation method and construction process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116947369A true CN116947369A (en) | 2023-10-27 |
Family
ID=88457323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310741766.4A Pending CN116947369A (en) | 2023-06-21 | 2023-06-21 | Reinforcing agent for commodity permeable concrete of mixing station, and preparation method and construction process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116947369A (en) |
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2023
- 2023-06-21 CN CN202310741766.4A patent/CN116947369A/en active Pending
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