CN116063029A - Novel permeable concrete manufacturing method - Google Patents

Novel permeable concrete manufacturing method Download PDF

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Publication number
CN116063029A
CN116063029A CN202211443827.0A CN202211443827A CN116063029A CN 116063029 A CN116063029 A CN 116063029A CN 202211443827 A CN202211443827 A CN 202211443827A CN 116063029 A CN116063029 A CN 116063029A
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CN
China
Prior art keywords
concrete
parts
permeable concrete
blast furnace
furnace slag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211443827.0A
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Chinese (zh)
Inventor
陈阿香
方丽雅
龚云花
韩志航
高雨
于健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Konghua Construction Engineering Co ltd
Original Assignee
Jiangsu Konghua Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Konghua Construction Engineering Co ltd filed Critical Jiangsu Konghua Construction Engineering Co ltd
Priority to CN202211443827.0A priority Critical patent/CN116063029A/en
Publication of CN116063029A publication Critical patent/CN116063029A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/003—Methods for mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
    • B28C5/402—Methods
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
    • C04B24/42—Organo-silicon compounds
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • 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
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
    • 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
    • C04B2111/76—Use at unusual temperatures, e.g. sub-zero
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to a novel permeable concrete manufacturing method, which belongs to the technical field of concrete manufacturing, wherein polyacrylate, cement particles, granulated blast furnace slag and coarse stone are mutually bonded to form a honeycomb structure with uniformly distributed holes, the permeable concrete is internally formed into a film through organosilicon emulsion, the waterproof performance of the permeable concrete is improved, the integral strength and toughness of the permeable concrete are improved through straw fibers, so that the compressive strength and flexural strength of the permeable concrete are improved, the situation that the permeable concrete is subjected to brittle fracture due to external load is avoided by a high-efficiency water reducing agent, the bearing capacity of a permeable terrace can completely reach the bearing standard of C20-C25 concrete, and the permeable concrete can also realize different environments and decorative styles required by individuality.

Description

Novel permeable concrete manufacturing method
Technical Field
The invention relates to a manufacturing method of novel permeable concrete, and belongs to the technical field of concrete manufacturing.
Background
The impermeable pavement prevents rainwater from leaking downwards, so that the rainwater is blocked from supplementing the underground water, and the urban ground is easy to sink due to excessive extraction of the underground water. In the high-speed running process of the vehicle, air is pressed between the tire and the road surface when the tire rolls in, and when the tire rolls over, the air rapidly expands to generate noise, and the noise is particularly obvious in rainy days, so that the life and work of residents are influenced. Traditional urban road surface is waterproof structure, and the rainwater is got rid of through the road surface, and the drainage ability is limited, when meetting heavy rain or heavy rain, the rainwater is collected on the road surface easily, and a large amount of concentrations lead to the road surface ponding on a large scale on motor vehicle and the bicycle lane. The impermeable pavement reduces the humidity of urban air and accelerates the formation of urban heat island effect. The impervious pavement can influence the ecological system on the ground, so that the water ecology cannot circulate normally, the balance of the urban ecological system is broken, and the normal growth of vegetation is influenced.
The dense concrete has poor frost resistance and crack resistance, and is easy to generate crack phenomenon, so that the strength of the pervious concrete is reduced, and the service life is short.
The concrete is paved on the ground, if the water permeability is to be realized, the strength requirement is firstly met, and a certain number of through holes are needed to meet the water permeability requirement.
Disclosure of Invention
In order to solve a series of problems of the existing dense concrete, the invention aims to provide a novel method for manufacturing the permeable concrete, and the permeable concrete manufactured by the method generates a certain number of through holes to meet the requirement of water permeability when being paved on the ground, realizes the function of water permeability, also meets the requirement of concrete strength, can enable rainwater to flow into the ground, effectively supplements groundwater, can relieve the rapid decline of the groundwater level of a city, simultaneously protects the groundwater, can effectively eliminate the harm of oil compounds and the like on the ground to environmental pollution, maintains ecological balance, and is beneficial to benign development of the environment, urban rainwater management and water pollution prevention and control.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a manufacturing method of novel pervious concrete is characterized by comprising the following steps: the cement composite material consists of 450-600 parts of cement particles, 150-180 parts of coarse stone, 30-90 parts of polyacrylate, 75-150 parts of granulated blast furnace slag, 10-20 parts of organosilicon emulsion, 15-25 parts of straw fibers, 20-40 parts of high-efficiency water reducer and 60-80 parts of water; cement particles are obtained by uniformly stirring and air-drying cement with a small amount of water, and the cement particles are screened by a vibrating screen to obtain cement particles with the particle size of 0.4-1 mm; the granulated blast furnace slag is firstly crushed by a crusher, and the crushed granulated blast furnace slag is screened and filtered by a vibration screening machine to obtain granulated blast furnace slag with the grain diameter of 5-10 mm; the straw fiber is processed by adopting corn straw through a pulverizer to reach the grain size of 5-10 mm.
And after the pervious concrete is put into a stirrer according to the proportion of the raw materials, stirring for 30 minutes.
And after the permeable concrete is poured, pressing and vibrating leveling treatment is carried out on the concrete through a flattening device.
The invention has the beneficial effects that:
the porous concrete manufactured by the method has the advantages that polyacrylate, cement particles, granulated blast furnace slag and coarse stone are mutually bonded to form a honeycomb structure with uniformly distributed holes, the porous concrete has ventilation, water permeation and light weight, the drying and chemical shrinkage of the porous concrete can be effectively restrained, the membrane is formed inside the porous concrete through the organosilicon emulsion, the waterproof performance of the porous concrete is improved, the integral strength and toughness of the porous concrete are improved through straw fibers, the compressive strength and the flexural strength of the porous concrete are improved, the situation that the porous concrete is subjected to brittle fracture due to external load is avoided by the high-efficiency water reducer, and the service life of the porous concrete is prolonged.
The bearing capacity of the permeable terrace can completely reach the bearing standard of C20-C25 concrete and is higher than that of a common permeable brick. The pervious concrete can also realize decorative styles required by different environments and individuality, because the pervious concrete has larger pores in the structure, has stronger freeze-thawing resistance than the common concrete pavement, cannot be broken by the freeze-thawing influence surface, and has low fatigue resistance due to the adoption of the open-graded mixture.
Detailed Description
The technical scheme of the invention will be clearly and completely described below:
the novel permeable concrete manufacturing method comprises 450-600 parts of cement particles, 150-180 parts of coarse stone, 30-90 parts of polyacrylate, 75-150 parts of granulated blast furnace slag, 10-20 parts of organosilicon emulsion, 15-25 parts of straw fiber, 20-40 parts of high-efficiency water reducer and 60-80 parts of water; cement particles are obtained by uniformly stirring and air-drying cement with a small amount of water, and the cement particles are screened by a vibrating screen to obtain cement particles with the particle size of 0.4-1 mm; the coarse stone is selected from 20-25mm broken stone, and the crushed common stone is obtained by screening a special vibrating screen with a 20-25mm aperture plate; the polyacrylate has stronger water absorption; the granulated blast furnace slag is firstly crushed by a crusher, and the crushed granulated blast furnace slag is screened and filtered by a vibration screening machine to obtain granulated blast furnace slag with the grain diameter of 5-10 mm; the straw fiber is processed by adopting corn straw through a pulverizer to reach the grain size of 5-10 mm. After the pervious concrete is put into a stirrer according to the proportion of the raw materials, stirring time is 30 minutes. And after the permeable concrete is poured, pressing and vibrating leveling treatment are carried out on the concrete through a flattening device. After the permeable concrete is poured, leveling treatment is carried out, and natural air drying is carried out.
The porous concrete manufactured by the method has the advantages that polyacrylate, cement particles, granulated blast furnace slag and coarse stone are mutually bonded to form a honeycomb structure with uniformly distributed holes, the porous concrete has ventilation, water permeation and light weight, the drying and chemical shrinkage of the porous concrete can be effectively restrained, the membrane is formed inside the porous concrete through the organosilicon emulsion, the waterproof performance of the porous concrete is improved, the integral strength and toughness of the porous concrete are improved through straw fibers, the compressive strength and the flexural strength of the porous concrete are improved, the situation that the porous concrete is subjected to brittle fracture due to external load is avoided by the high-efficiency water reducer, and the service life of the porous concrete is prolonged.
The bearing capacity of the permeable terrace can completely reach the bearing standard of C20-C25 concrete and is higher than that of a common permeable brick. The pervious concrete can also realize decorative styles required by different environments and individuality, which is difficult to realize by common pervious bricks. Because the structure of the concrete pavement has larger pores, the water permeability has stronger freeze-thawing resistance than that of a common concrete pavement, the concrete pavement cannot be broken by the freeze-thawing influence surface, and the anti-fatigue strength is low due to the adoption of an open-graded mixture.

Claims (3)

1. A manufacturing method of novel pervious concrete is characterized by comprising the following steps: the cement composite material consists of 450-600 parts of cement particles, 150-180 parts of coarse stone, 30-90 parts of polyacrylate, 75-150 parts of granulated blast furnace slag, 10-20 parts of organosilicon emulsion, 15-25 parts of straw fibers, 20-40 parts of high-efficiency water reducer and 60-80 parts of water; cement particles are obtained by uniformly stirring and air-drying cement with a small amount of water, and the cement particles are screened by a vibrating screen to obtain cement particles with the particle size of 0.4-1 mm; the granulated blast furnace slag is firstly crushed by a crusher, and the crushed granulated blast furnace slag is screened and filtered by a vibration screening machine to obtain granulated blast furnace slag with the grain diameter of 5-10 mm; the straw fiber is processed by adopting corn straw through a pulverizer to reach the grain size of 5-10 mm.
2. The method for manufacturing the novel pervious concrete according to claim 1, which is characterized in that: and after the pervious concrete is put into a stirrer according to the proportion of the raw materials, stirring for 30 minutes.
3. The method for manufacturing the novel pervious concrete according to claim 1, which is characterized in that: and after the permeable concrete is poured, pressing and vibrating leveling treatment is carried out on the concrete through a flattening device.
CN202211443827.0A 2022-11-18 2022-11-18 Novel permeable concrete manufacturing method Pending CN116063029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211443827.0A CN116063029A (en) 2022-11-18 2022-11-18 Novel permeable concrete manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211443827.0A CN116063029A (en) 2022-11-18 2022-11-18 Novel permeable concrete manufacturing method

Publications (1)

Publication Number Publication Date
CN116063029A true CN116063029A (en) 2023-05-05

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003252688A (en) * 2002-03-01 2003-09-10 Takenaka Komuten Co Ltd Water permeable concrete and manufacturing method thereof
JP2006083046A (en) * 2004-09-17 2006-03-30 Mitsubishi Materials Corp Binder for porous concrete and method for producing porous concrete
US20060182946A1 (en) * 2003-03-31 2006-08-17 Zarb Joseph E Durable high performance fibre cement product and method on manufacture
JP2012025620A (en) * 2010-07-23 2012-02-09 Keiichi Notomi Low-water ratio cement formed body, and method for forming low-water ratio cement
CN105246853A (en) * 2012-12-21 2016-01-13 汉森聚合物有限公司 Fast-curing pervious concrete mix
CN108623245A (en) * 2017-03-24 2018-10-09 北京市小红门混凝土有限责任公司 pervious concrete and preparation method thereof
CN111393101A (en) * 2020-03-21 2020-07-10 上海石化安东混凝土有限公司 Pervious concrete and preparation method thereof
CN113200725A (en) * 2021-06-17 2021-08-03 武汉纺织大学 Corrosion-resistant water-permeable concrete and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003252688A (en) * 2002-03-01 2003-09-10 Takenaka Komuten Co Ltd Water permeable concrete and manufacturing method thereof
US20060182946A1 (en) * 2003-03-31 2006-08-17 Zarb Joseph E Durable high performance fibre cement product and method on manufacture
JP2006083046A (en) * 2004-09-17 2006-03-30 Mitsubishi Materials Corp Binder for porous concrete and method for producing porous concrete
JP2012025620A (en) * 2010-07-23 2012-02-09 Keiichi Notomi Low-water ratio cement formed body, and method for forming low-water ratio cement
CN105246853A (en) * 2012-12-21 2016-01-13 汉森聚合物有限公司 Fast-curing pervious concrete mix
CN108623245A (en) * 2017-03-24 2018-10-09 北京市小红门混凝土有限责任公司 pervious concrete and preparation method thereof
CN111393101A (en) * 2020-03-21 2020-07-10 上海石化安东混凝土有限公司 Pervious concrete and preparation method thereof
CN113200725A (en) * 2021-06-17 2021-08-03 武汉纺织大学 Corrosion-resistant water-permeable concrete and preparation method thereof

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