[go: up one dir, main page]

CN109111173A - A kind of pervious concrete and preparation method thereof - Google Patents

A kind of pervious concrete and preparation method thereof Download PDF

Info

Publication number
CN109111173A
CN109111173A CN201811226557.1A CN201811226557A CN109111173A CN 109111173 A CN109111173 A CN 109111173A CN 201811226557 A CN201811226557 A CN 201811226557A CN 109111173 A CN109111173 A CN 109111173A
Authority
CN
China
Prior art keywords
carbon nanotube
ionic liquid
permeable concrete
concrete
water
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.)
Granted
Application number
CN201811226557.1A
Other languages
Chinese (zh)
Other versions
CN109111173B (en
Inventor
荆建军
肖力
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.)
Yichang Lihua New Building Materials Co Ltd
Original Assignee
Dongguan University of Technology
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 Dongguan University of Technology filed Critical Dongguan University of Technology
Priority to CN202010939176.9A priority Critical patent/CN112110698A/en
Priority to CN202010939177.3A priority patent/CN112125602A/en
Priority to CN201811226557.1A priority patent/CN109111173B/en
Publication of CN109111173A publication Critical patent/CN109111173A/en
Application granted granted Critical
Publication of CN109111173B publication Critical patent/CN109111173B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/023—Chemical treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D211/40—Oxygen atoms
    • C07D211/44—Oxygen atoms attached in position 4
    • C07D211/46—Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4
    • 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
    • C04B2111/76—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
    • 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
    • C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

本发明公开一种透水混凝土及其制备方法，由以下重量百分数的原料组成：水泥20~25%、粗骨料50~60%、胶黏剂5~10%、聚乙二醇5~10%、碳纳米管‑玻璃纤维‑哌啶离子液体复合材料5~10%，余量为水；由上述各原料按照本发明的重量百分比制备而成的透水混凝土不但能够有效增强水泥浆体与骨料的粘结力，还能够有效改善混凝土的工作性能、提高混凝土的抗压、抗弯、抗冲击强度及透水系数，从而延长混凝土的使用寿命。The invention discloses a permeable concrete and a preparation method thereof, which are composed of the following raw materials by weight percentage: cement 20-25%, coarse aggregate 50-60%, adhesive 5-10%, polyethylene glycol 5-10% , 5~10% of carbon nanotube-glass fiber-piperidine ionic liquid composite material, and the balance is water; the permeable concrete prepared from the above-mentioned raw materials according to the weight percentage of the present invention can not only effectively strengthen the cement paste and aggregate It can also effectively improve the working performance of concrete, improve the compressive, flexural, impact resistance and water permeability coefficient of concrete, thereby prolonging the service life of concrete.

Description

A kind of pervious concrete and preparation method thereof
Technical field
The present invention relates to building material technical fields, and in particular to a kind of pervious concrete and preparation method thereof.
Background technique
With the fast development of economy and society, scale and the dynamics of urban construction are continued to increase, so that urban surface ring Border is gradually hardened, and is greatly negatively affected to the ecological annulus in city；Traditional cement or asphalt floor can prevent rainwater from seeping Underground is arrived thoroughly, is not only be easy to cause urban waterlogging, is influenced traffic, also will cause being largely lost for rainwater, be unfavorable for underground water Supplement；If things go on like this, the problems such as decline that will cause level of ground water, influences vegetation growth, aggravates arid, the water shortage in city；And And hard surface hinders atmospheric evaporation circulation, and air humidity in urban area is caused to reduce, temperature increases, and forms " heat island effect It answers "；For this purpose, country advocates energetically and develops " sponge city ".
Pervious concrete is also known as celluar concrete, non-fine concrete, permeable terrace, be by aggregate, cement, reinforcing agent and A kind of porous light concrete made of water mixing, it is free of fine aggregate, mutual by coarse aggregate surface cladding a thin layer cement slurry It bonds and forms the equally distributed honeycomb structure in hole, therefore have the characteristics that ventilative, permeable and light-weight.
And pervious concrete while meeting intensity requirement first, it is also necessary to keep certain perforation hole to meet Aqueous requirement, therefore when preparing other than selecting suitable raw material, will also by mix-design and preparation process with And additive achievees the purpose that while proof strength and porosity.
Summary of the invention
In response to the problems existing in the prior art, the purpose of the present invention is to provide one kind, and resistance to compression, bending resistance, shock resistance can be improved The high pervious concrete and preparation method thereof of the coefficient of permeability of intensity.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of pervious concrete is made of the raw material of following weight percent: cement 20 ~ 25%, coarse aggregate 50 ~ 60%, adhesive 5 ~ 10%, polyethylene glycol 5 ~ 10%, carbon nanotube-glass fibre-piperidines ionic liquid composite material 5 ~ 10%, surplus is water.
Preferably, the ionic liquid is 1,3- bis- (4- hydroxyl -1- methyl)-piperidines bromide ionic liquid.
The present invention also provides the preparation method of 1,3-, bis- (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid, steps It is as follows: 4- hydroxy-N-methvl piperidines being dissolved in toluene, adds 1,3- dibromopropane, 4- hydroxy-N-methvl piperidines and 1,3- bis- The molar ratio of N-Propyl Bromide is 1:0.4,80 DEG C of oil baths, be condensed back under nitrogen protection reaction 12h to get.
1,3- bis- (- 1 methyl of 4- hydroxyl)-piperidines bromide ionic liquid purity that preparation method through the invention obtains and Yield is very high, and preparation method is simple.
The present invention also provides the preparation methods of the carbon nanotube-glass fibre-piperidines ionic liquid composite material, including Following steps:
S1, the dry carbon nanotube and 1~1 × 10 of 1 ~ 10 g is weighed3ML acid with strong oxidizing property mixing, in 100 ~ 120kHz ultrasound Handled 2 ~ 4 hours under wave, be then heated to 100 ~ 120 DEG C, the dry glass fibre of 1 ~ 103g is added, be stirred at reflux reaction 15~ 24 hours, centrifuge separation, solid was washed with water to neutrality, was dried in vacuo at 40 DEG C to get carbon nanotube-glass fibre of acidification is arrived Composite material；
S2, the carbon nanotube-glass fiber compound material being acidified obtained by step S1 is added to 0.01mol L -1NaOH solution In, solid-to-liquid ratio is (1.0-1.2) mg:1mL, stirs 2h, centrifugation, and solid is washed with water to neutrality, and vacuum drying is at 40 DEG C to get arriving Carbon nanotube-glass fiber compound material of Alkalized forms；
S3, by the carbon nanotube-glass of described 1,3- bis- (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid and Alkalized forms The fibrous composite mass ratio of 1:8-12 in mass ratio is added in water, and 2h is stirred to react at 40 DEG C, and centrifuge separation, solid is used Washing, then at 40 DEG C be dried in vacuo to get.
Wherein, hydroxyl group is contained by the ionic liquid that the above method is prepared, structure is simple, and fusing point is low, dissolves The ordinary organic solvents such as ability is strong, vapour pressure is low and the peculiar property that water does not have, by 1,3- bis- (- 1 methyl of 4- hydroxyl)-piperazine On the one hand pyridine bromide ionic liquid can be used as antifreezing agent as additive, the pumpability that enhancing concrete is constructed in winter mentions The endurance quality of high concrete, at the same it is good using ion liquid dissolving performance, the compatibility between each component can be increased, improved mixed Coagulate the workability of soil.
Carbon nanotube-glass fibre-piperidines the ionic liquid composite material being prepared by the above method, makes glass fibers Dimension table face is grafted with carbon nanotube-piperidines ionic liquid, is modified fiberglass surfacing, glass fibre and cement can be improved Interface binding intensity between slurry, to improve concrete crushing strength；The lamella reticular structure of carbon nanotube simultaneously, specific surface Product is big, and porosity is high, and the coefficient of permeability of concrete on the one hand can be improved, and on the other hand utilizes the good mechanical property of carbon nanotube Can, the curved drawing performance and impact resistance of concrete can be improved, to further improve the performance of concrete, extend concrete Service life；It is combined simultaneously with (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid of 1,3- bis- by ionic bond and forms composite wood Material, can effectively improve acidification carbon nanotube-glass fiber compound material dispersion performance, is allowed to evenly dispersed in system.
Preferably, the coarse aggregate is matched using single-stage, partial size 5-20mm.
Preferably, the adhesive is dispersibility latex；Adhesive can increase the consistency of cement slurry, make cement slurry Body is easier to be adhered on aggregate, so that reducing cement slurry flows into concrete base, improves the coefficient of permeability of pervious concrete； Meanwhile redispersible adhesive can be improved the cohesive force between cement slurry and aggregate, to improve the intensity of pervious concrete.
Preferably, the polyethylene glycol by PEG 20000, polyethylene glycol 400 by weight 1:0.5-1 mix and At.
The mobility and dispersibility of concrete mortar, while polyethylene glycol branch can be improved in side-chain of polyelycol hydroxyl group In oxygen atom can make the abundant aquation of mortar in conjunction with the water of free state in concrete glue mortar, and expand in concrete particle The free state water that gelinite is included is released during dissipating, in conjunction with long-chain branch polyethylene group, is had significantly to slurry Deferred action improves the workability of concrete, avoids generating asking for crack and fracture etc. after the concrete coagulation Topic；The hydroxyl base of polyethylene glycol and piperidines ionic liquid in carbon nanotube-glass fibre-piperidines ionic liquid composite material simultaneously By the interaction such as covalent bond, hydrogen bond and Van der Waals force between group and other components, the stability of concrete structure can be improved, Improve concrete strength.
Preferably, the cement is portland cement, and label is not less than 42.5.
Preferably, the acid with strong oxidizing property is 1/100~100/1 molar ratio hydrogen peroxide and hydrochloric acid mixed solution.
The present invention also provides the preparation methods of the pervious concrete, and steps are as follows: by formulation weight percentage take cement, Coarse aggregate, carbon nanotube-glass fibre-piperidines ionic liquid composite material are added sequentially in blender, are stirred, Under agitation, adhesive, polyethylene glycol, water are added in blender respectively, continue to stir 5-10min, is made described Water coagulation soil；The pervious concrete that preparation method according to the invention is prepared is not only able to effectively enhance cement slurry and bone The cohesive force of material, additionally it is possible to be effectively improved the working performance of concrete, improve the intensity and coefficient of permeability of concrete, extend coagulation The service life of soil.
Compared with prior art, the beneficial effects of the present invention are:
(1) for the present invention by cooperation addition carbon nanotube-glass fibre-piperidines ionic liquid composite material, utilization is modified The compression strength of concrete can be improved in glass fibre；Piperidines ionic liquid can enhance the pumpability that concrete is constructed in winter, mention The endurance quality of high concrete, while piperidines ion liquid dissolving performance is good, can increase the compatibility between each component, improves mixed Coagulate the workability of soil；The curved drawing performance and compression strength of concrete can be improved in carbon nanotube, while improving the permeable of concrete Performance；It is not only able to effectively using concrete made of carbon nanotube-glass fibre-piperidines ionic liquid composite material of the present invention Enhance the cohesive force of cement slurry and aggregate, additionally it is possible to which the intensity and coefficient of permeability for significantly improving concrete extend concrete Service life；
(2) polyethylene glycol in pervious concrete of the present invention, carbon nanotube-glass fibre-piperidines ionic liquid composite material with By the interaction such as covalent bond, hydrogen bond and Van der Waals force between other components, the stability of concrete structure is improved, resistance to compression is made Performance improves.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention； Unless stated otherwise, the present invention uses reagent, method and apparatus is the art conventional reagents, method and apparatus.
The present invention will be further described With reference to embodiment.
Embodiment 1
One kind 1,3- bis- (- 1 methyl of 4- hydroxyl)-piperidines bromide ionic liquid is the preparation method is as follows: by 4- hydroxy-N-methvl piperazine Pyridine is dissolved in toluene, adds 1,3- dibromopropane, 4- hydroxy-N-methvl piperidines and 1, and the molar ratio of 3- dibromopropane is 1:0.4, 80 DEG C of oil baths, be condensed back under nitrogen protection reaction 12h to get.
The preparation method of the carbon nanotube-glass fibre-piperidines ionic liquid composite material, includes the following steps:
S1, it weighs the dry carbon nanotube of 1g and is mixed with 10mL acid with strong oxidizing property, handle 2 hours under 100kHz ultrasonic wave, so After be heated to 100 DEG C, the dry glass fibre of 100g is added, is stirred at reflux reaction 20 hours, centrifuge separation, solid be washed with water to Neutrality, vacuum drying is to get to carbon nanotube-glass fiber compound material of acidification at 40 DEG C；
S2, the carbon nanotube-glass fiber compound material being acidified obtained by step S1 is added to 0.01mol L-1NaOH solution In, solid-to-liquid ratio 1.2mg:1mL stirs 2h, centrifugation, and solid is washed with water to neutrality, is dried in vacuo at 40 DEG C to get alkalization shape is arrived Carbon nanotube-glass fiber compound material of formula；
S3, by the carbon nanotube-glass of described 1,3- bis- (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid and Alkalized forms The fibrous composite mass ratio of 1:10 in mass ratio is added in water, and 1h is stirred to react at 40 DEG C, centrifuge separation, solid water Wash, then at 40 DEG C be dried in vacuo to get.
The acid with strong oxidizing property is that 1:100 is mixed in molar ratio for hydrogen peroxide and hydrochloric acid.
A kind of pervious concrete is made of the raw material of following weight percent: cement 20%, coarse aggregate 60%, adhesive 5%, Polyethylene glycol 5%, carbon nanotube-glass fibre-piperidines ionic liquid composite material 8%, surplus is water.
Wherein, the adhesive is the dispersibility latex that fineness is 100 mesh；The coarse aggregate size is 5-20mm；Institute The cement stated is 42.5 ordinary portland cements；The polyethylene glycol by PEG 20000, polyethylene glycol 400 by weight 1:0.8 mixing.
The preparation method of the pervious concrete, steps are as follows: taking cement, coarse aggregate, carbon to receive by formulation weight percentage Mitron-glass fibre-piperidines ionic liquid composite material is added sequentially in blender, is stirred, in stirring condition Under, adhesive, polyethylene glycol, water are added in blender respectively, continues to stir 5-10min, the pervious concrete is made.
Embodiment 2
One kind 1,3- bis- (- 1 methyl of 4- hydroxyl)-piperidines bromide ionic liquid preparation method is same as Example 1.
The preparation method of the carbon nanotube-glass fibre-piperidines ionic liquid composite material, includes the following steps:
S1, the carbon nanotube for weighing 1 g drying are mixed with 500mL acid with strong oxidizing property, are handled 3 hours under 120kHz ultrasonic wave, 120 DEG C are then heated to, the dry glass fibre of 1000g is added, is stirred at reflux reaction 24 hours, centrifuge separation, solid water It is washed till neutrality, vacuum drying is at 40 DEG C to get the carbon nanotube-glass fiber compound material for arriving acidification；
S2, the carbon nanotube-glass fiber compound material being acidified obtained by step S1 is added to 0.01mol L -1NaOH solution In, solid-to-liquid ratio 1.0mg:1mL stirs 2h, centrifugation, and solid is washed with water to neutrality, is dried in vacuo at 40 DEG C to get alkalization shape is arrived Carbon nanotube-glass fiber compound material of formula；
S3, by the carbon nanotube-glass of described 1,3- bis- (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid and Alkalized forms The fibrous composite mass ratio of 1:12 in mass ratio is added in water, and 2h is stirred to react at 40 DEG C, centrifuge separation, solid water Wash, then at 40 DEG C be dried in vacuo to get.
The acid with strong oxidizing property is that 1:1 is formed in molar ratio for hydrogen peroxide and hydrochloric acid.
A kind of pervious concrete is made of the raw material of following weight percent: cement 25%, coarse aggregate 50%, adhesive 5%, Polyethylene glycol 5%, carbon nanotube-glass fibre-piperidines ionic liquid composite material 10%, surplus is water；The polyethylene glycol by PEG 20000, polyethylene glycol 400 are mixed by weight 1:0.5.
The preparation method is the same as that of Example 1 for the pervious concrete.
Embodiment 3
One kind 1,3- bis- (- 1 methyl of 4- hydroxyl)-piperidines bromide ionic liquid preparation method is same as Example 1.
Steps are as follows for the preparation method of the carbon nanotube-glass fibre-piperidines ionic liquid composite material:
S1, the dry carbon nanotube and 10 of 1 g is weighed3The mixing of mL acid with strong oxidizing property, is handled 6 hours under 110kHz ultrasonic wave, 90 DEG C are then heated to, the dry glass fibre of 1000g is added, is stirred at reflux reaction 15 hours, centrifuge separation, solid is washed with water To neutrality, it is dried in vacuo at 40 DEG C to get carbon nanotube-glass fiber compound material of acidification is arrived；
S2, the carbon nanotube-glass fiber compound material being acidified obtained by step S1 is added to 0.01mol L-1NaOH solution In, solid-to-liquid ratio 1.1mg:1mL stirs 2h, centrifugation, and solid is washed with water to neutrality, is dried in vacuo at 40 DEG C to get alkalization shape is arrived Carbon nanotube-glass fiber compound material of formula；
S3, by the carbon nanotube-glass of described 1,3- bis- (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid and Alkalized forms The fibrous composite mass ratio of 1:8 in mass ratio is added in water, and 1h is stirred to react at 40 DEG C, centrifuge separation, solid water Wash, then at 40 DEG C be dried in vacuo to get.
The acid with strong oxidizing property is that 100:1 is formed in molar ratio for hydrogen peroxide and hydrochloric acid.
A kind of pervious concrete is made of the raw material of following weight percent: cement 20%, coarse aggregate 50%, adhesive 10%, polyethylene glycol 10%, carbon nanotube-glass fibre-piperidines ionic liquid composite material 5%, surplus is water；The poly- second two Alcohol is mixed by PEG 20000, polyethylene glycol 400 by weight 1:1.
The preparation method is the same as that of Example 1 for the pervious concrete.
Comparative example 1
The present embodiment provides a kind of pervious concretes, compared with Example 1, the difference is that, by following weight percent Raw material composition: cement 20%, coarse aggregate 60%, adhesive 5%, polyethylene glycol 13%, surplus are water, remaining is all the same with embodiment 1.
Comparative example 2
The present embodiment provides a kind of pervious concretes, compared with Example 1, the difference is that, by following weight percent Raw material composition: cement 20%, coarse aggregate 60%, adhesive 5%, polyethylene glycol 5%, carbon nanotube-piperidines ionic liquid composite material 8%, surplus is water；
The carbon nanotube-piperidines ionic liquid composite material the preparation method is as follows:
S1, it weighs the dry carbon nanotube of 1g and is mixed with 10mL acid with strong oxidizing property, handle 2 hours under 100kHz ultrasonic wave, so After be heated to 100 DEG C, be stirred at reflux reaction 20 hours, centrifuge separation, solid is washed with water to neutrality, is dried in vacuo at 40 DEG C, i.e., The carbon nanotube being acidified；
S2, the carbon nanotube being acidified obtained by step S1 is added to 0.01mol L -1In NaOH solution, solid-to-liquid ratio 1.2mg: 1mL stirs 2h, centrifugation, and solid is washed with water to neutrality, is dried in vacuo at 40 DEG C to get the carbon nanotube of Alkalized forms is arrived；
S3, the carbon nanotube of (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid of 1,3- bis- and Alkalized forms is pressed into matter It measures the mass ratio than 1:10 to be added in water, 1h is stirred to react at 40 DEG C, be centrifugated, solid is washed with water, then at 40 DEG C Vacuum drying to get.
Comparative example 3
The present embodiment provides a kind of pervious concretes, compared with Example 1, the difference is that, by following weight percent Raw material composition: cement 20%, coarse aggregate 50%, adhesive 10%, polyethylene glycol 8%, the carbon nanotube-glass fibre composite wood being acidified Material 8%, surplus is water.
Comparative example 4
The present embodiment provides a kind of pervious concretes, compared with Example 1, the difference is that, the polyethylene glycol is by poly- second Glycol 20000, polyethylene glycol 400 are mixed by weight 1:1.5.
Comparative example 5
The present embodiment provides a kind of pervious concretes, compared with Example 1, the difference is that, the coarse aggregate size is 1- 5mm。
Comparative example 6
The present embodiment provides a kind of pervious concretes, compared with Example 1, the difference is that, 1,3- bis- (- 1 first of 4- hydroxyl Base)-piperidines bromide ionic liquid the preparation method is as follows: 4- hydroxy-N-methvl piperidines is dissolved in toluene, add 1,3- dibromo Propane, 4- hydroxy-N-methvl piperidines and 1, the molar ratio of 3- dibromopropane are 1:1,80 DEG C of oil baths, are condensed back under nitrogen protection React 12h to get.
Application examples
Conventional performance index test is carried out to the pervious concrete that embodiment 1 ~ 3 and comparative example 1 ~ 6 are prepared, as a result such as following table Shown in 1.
By upper table result it is found that implementing to be mixed with carbon nanotube-glass fibre-piperidines provided by the present invention in 1 ~ 3 Ionic liquid composite material, the results showed that the pervious concrete that each raw material weight per distribution ratio is prepared according to the present invention 28d compression strength, 28d flexural tensile strength significantly improve, and so that pervious concrete is had higher coefficient of permeability, and can be improved The freeze thawing resistance cycle-index of water coagulation soil, to extend the service life of pervious concrete, and the performance of embodiment 1 is best；
Pervious concrete described in comparative example 1 is not added with carbon nanotube-glass fibre-piperidines ionic liquid composite material, is prepared into To every conventional performance index of pervious concrete reduce, illustrate that carbon nanotube-glass fibre-piperidines ionic liquid is compound Material plays a key effect to the performance for improving pervious concrete of the present invention；
The composite material of 2 pervious concrete of comparative example addition is without glass fibre, the items for the pervious concrete being thus prepared Conventional performance index significantly reduces, and the compression strength decline of especially concrete is the most obvious, illustrates that glass fibre is saturating to improving The compression strength of water coagulation soil plays an important role；
The composite material of 3 pervious concrete of comparative example addition is not compound with pyridine ion liquid, and the items of pervious concrete are conventional Performance indicator significantly reduces, especially freeze thawing resistance cycle-index, illustrates pyridine ion liquid to the freeze proof of improvement pervious concrete Performance plays an important role；
Comparative example 4 changes the polyethylene glycol weight proportion, and the every traditional performance for the pervious concrete being thus prepared refers to Mark significantly reduces, and illustrates the weight proportion for changing polyethylene glycol, will affect polyethylene glycol viscosity, makes to be prepared permeable mixed Solidifying soil is unable to reach optimum performance；
5 pervious concrete of comparative example changes the coarse aggregate size size, and the porosity for the pervious concrete being prepared is significant It reduces, this may be since the partial size of coarse aggregate becomes smaller, and the density of concrete increases；
Comparative example 6 changes the preparation method of 1,3-, bis- (- 1 methyl of 4- the hydroxyl)-piperidines bromide ionic liquid, changes 4- hydroxyl Base-N- methyl piperidine and 1, the molar ratio of 3- dibromopropane can generate a small amount of 4- hydroxyl-1- methyl-1-(3- bromopropyl)-piperidines Bromide, therefore the active force between ionic liquid and other components can weaken, the items for the pervious concrete being thus prepared are often Advising performance indicator reduces.
In conclusion pervious concrete each raw material component compatibility provided by the present invention is reasonable, it can admirably meet phase National standard and application request are closed, there is fabulous popularization, application prospect.
The above, only of the invention illustrates embodiment, not to the present invention in any form with substantial limitation, It should be pointed out that for those skilled in the art, under the premise of not departing from the method for the present invention, that makes several changes It also should be regarded as protection scope of the present invention into supplement.
All those skilled in the art, without departing from the spirit and scope of the present invention, using being taken off above The equivalent variations of a little change, modification and differentiation that the technology contents shown are made is equivalent embodiment of the invention；Meanwhile Change, modification and the differentiation for any equivalent variations that all substantial technologicals according to the present invention do above-described embodiment, still belong to In protection scope of the present invention.

Claims (10)

1.一种透水混凝土，其特征在于，由以下重量百分数的原料组成：水泥20~25%、粗骨料50~60% 、胶黏剂5~10%、聚乙二醇5~10%、碳纳米管-玻璃纤维-哌啶离子液体复合材料5~10%，余量为水。1. a permeable concrete, is characterized in that, is made up of the raw material of following percentage by weight: cement 20～25%, coarse aggregate 50～60%, adhesive 5～10%, polyethylene glycol 5～10%, The carbon nanotube-glass fiber-piperidine ionic liquid composite material is 5-10%, and the balance is water. 2.根据权利要求1所述的一种透水混凝土，其特征在于，所述离子液体为1，3-二（4-羟基-1-甲基）-哌啶溴盐离子液体。2 . The permeable concrete according to claim 1 , wherein the ionic liquid is 1,3-bis(4-hydroxy-1-methyl)-piperidine bromide ionic liquid. 3 . 3.根据权利要求2所述的一种透水混凝土，其特征在于，所述1，3-二（4-羟基-1甲基）-哌啶溴盐离子液体的制备方法如下：将4-羟基-N-甲基哌啶溶于甲苯，再加入1，3-二溴丙烷，4-羟基-N-甲基哌啶与1，3-二溴丙烷的摩尔比为1:0.4，80℃油浴，氮气保护下冷凝回流反应12h，即得。3. A kind of permeable concrete according to claim 2, is characterized in that, the preparation method of described 1,3-bis (4-hydroxyl-1 methyl)-piperidine bromide ionic liquid is as follows: -N-methylpiperidine was dissolved in toluene, and then 1,3-dibromopropane was added, and the molar ratio of 4-hydroxy-N-methylpiperidine to 1,3-dibromopropane was 1:0.4, 80°C oil bath, condensed and refluxed for 12h under nitrogen protection, and obtained. 4.根据权利要求3所述的一种透水混凝土，其特征在于，所述碳纳米管-玻璃纤维-哌啶离子液体复合材料的制备方法，包括如下步骤：4. a kind of permeable concrete according to claim 3, is characterized in that, the preparation method of described carbon nanotube-glass fiber-piperidine ionic liquid composite material, comprises the steps: S1、称取1~10 g干燥的碳纳米管与1～1×10 3mL强氧化性酸混合，在100~120kHz超声波下处理2~4小时，然后加热到100~120℃，加入1~103g干燥的玻璃纤维，搅拌回流反应15～24小时，离心分离，固体用水洗至中性，40℃下真空干燥，即得到酸化的碳纳米管-玻璃纤维复合材料；S1. Weigh 1~10 g of dry carbon nanotubes and mix them with 1~1×10 3 mL of strong oxidizing acid, process them with ultrasonic waves at 100~120 kHz for 2~4 hours, then heat to 100~120°C, add 1~ 10 3 g of dried glass fibers are stirred and refluxed for 15-24 hours, centrifuged, the solid is washed with water until neutral, and dried in vacuum at 40°C to obtain acidified carbon nanotube-glass fiber composites; S2、将步骤S1所得酸化的碳纳米管-玻璃纤维复合材料加入到0.01mol•L -1NaOH溶液中，固液比为（1.0-1.2）mg：1mL，搅拌2h，离心，固体用水洗至中性，40℃下真空干燥，即得到碱化形式的碳纳米管-玻璃纤维复合材料；S2. Add the acidified carbon nanotube-glass fiber composite material obtained in step S1 into 0.01mol·L -1 NaOH solution, the solid-liquid ratio is (1.0-1.2) mg:1mL, stir for 2h, centrifuge, and wash the solid with water until Neutral, vacuum drying at 40°C to obtain the carbon nanotube-glass fiber composite material in an alkalized form; S3、将所述的1，3-二（4-羟基-1甲基）-哌啶溴盐离子液体与碱化形式的碳纳米管-玻璃纤维复合材料按质量比1:8-12的质量比加到水中，在40℃下搅拌反应2h，离心分离，固体用水洗，然后在40℃下真空干燥，即得。S3, mix the described 1,3-bis(4-hydroxy-1methyl)-piperidine bromide ionic liquid with the carbon nanotube-glass fiber composite material in an alkalized form in a mass ratio of 1:8-12 The ratio was added to water, stirred and reacted at 40 °C for 2 h, centrifuged, and the solid was washed with water, and then vacuum-dried at 40 °C to obtain. 5.根据权利要求4所述的一种透水混凝土，其特征在于，所述粗骨料采用单级配，粒径为 5-20mm。5. a kind of permeable concrete according to claim 4 is characterized in that, described coarse aggregate adopts single gradation, and particle diameter is 5-20mm. 6.根据权利要求5所述的一种透水混凝土，其特征在于，所述胶黏剂为可分散性乳胶。6. A kind of permeable concrete according to claim 5, is characterized in that, described adhesive is dispersible latex. 7.根据权利要求6所述的一种透水混凝土，其特征在于，所述聚乙二醇由聚乙二醇20000、聚乙二醇400按重量比1:0.5-1混合而成。7 . The permeable concrete according to claim 6 , wherein the polyethylene glycol is formed by mixing polyethylene glycol 20000 and polyethylene glycol 400 in a weight ratio of 1:0.5-1. 8 . 8.根据权利要求7所述的透水混凝土，其特征在于，所述水泥为硅酸盐水泥，标号不低于42.5。8 . The permeable concrete according to claim 7 , wherein the cement is Portland cement, and the reference number is not lower than 42.5. 9 . 9.根据权利要求8所述的一种透水混凝土，其特征在于，所述强氧化性酸为1／100～100／1摩尔比过氧化氢和盐酸混合液。9 . The permeable concrete according to claim 8 , wherein the strong oxidizing acid is a mixed solution of hydrogen peroxide and hydrochloric acid in a molar ratio of 1/100 to 100/1. 10 . 10.权利要求1~9任一项所述透水混凝土的制备方法，其特征在于，步骤如下：按配方重量百分比取水泥、粗骨料、碳纳米管-玻璃纤维-哌啶离子液体复合材料依次加入到搅拌机中，充分搅拌均匀，在搅拌条件下，分别将胶黏剂、聚乙二醇、水加入搅拌机内，继续搅拌5-10min，制得所述透水混凝土。10. the preparation method of the permeable concrete described in any one of claim 1～9, it is characterized in that, step is as follows: get cement, coarse aggregate, carbon nanotube-glass fiber-piperidine ionic liquid composite material successively by formula weight percentage Add it into the mixer, fully mix it evenly, and under stirring conditions, add the adhesive, polyethylene glycol, and water into the mixer, and continue to mix for 5-10 minutes to prepare the permeable concrete.
CN201811226557.1A 2018-10-22 2018-10-22 Pervious concrete and preparation method thereof Active CN109111173B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202010939176.9A CN112110698A (en) 2018-10-22 2018-10-22 Pervious concrete
CN202010939177.3A CN112125602A (en) 2018-10-22 2018-10-22 Preparation method of pervious concrete
CN201811226557.1A CN109111173B (en) 2018-10-22 2018-10-22 Pervious concrete and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811226557.1A CN109111173B (en) 2018-10-22 2018-10-22 Pervious concrete and preparation method thereof

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN202010939176.9A Division CN112110698A (en) 2018-10-22 2018-10-22 Pervious concrete
CN202010939177.3A Division CN112125602A (en) 2018-10-22 2018-10-22 Preparation method of pervious concrete

Publications (2)

Publication Number Publication Date
CN109111173A true CN109111173A (en) 2019-01-01
CN109111173B CN109111173B (en) 2020-10-30

Family

ID=64854265

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201811226557.1A Active CN109111173B (en) 2018-10-22 2018-10-22 Pervious concrete and preparation method thereof
CN202010939176.9A Withdrawn CN112110698A (en) 2018-10-22 2018-10-22 Pervious concrete
CN202010939177.3A Withdrawn CN112125602A (en) 2018-10-22 2018-10-22 Preparation method of pervious concrete

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN202010939176.9A Withdrawn CN112110698A (en) 2018-10-22 2018-10-22 Pervious concrete
CN202010939177.3A Withdrawn CN112125602A (en) 2018-10-22 2018-10-22 Preparation method of pervious concrete

Country Status (1)

Country Link
CN (3) CN109111173B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112358257A (en) * 2020-11-02 2021-02-12 江苏新路德建设有限公司 Pervious asphalt concrete and preparation method and application thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112794673A (en) * 2021-01-13 2021-05-14 同济大学 A kind of inorganic-organic composite powder reinforcing agent for permeable concrete and its application
CN114426418A (en) * 2022-02-23 2022-05-03 上海拜石实业发展有限公司 Preparation method of environment-friendly colorful pervious concrete

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102718432A (en) * 2012-06-08 2012-10-10 河海大学 Carbon nanometer tube modified resin/glass fiber composite reinforcement material and preparation method thereof
KR20150022033A (en) * 2013-08-21 2015-03-04 주식회사 알씨산업 Compositions of pervious concrete products by using the aggregates from industrial wastes and method for the same
CN106192993A (en) * 2016-07-14 2016-12-07 河海大学 Modified GFRP muscle and reinforcing bar Concrete Structure anticorrosion stake and preparation method
CN106747313A (en) * 2016-12-30 2017-05-31 安徽华普环境修复材料科技有限公司 A kind of inexpensive Ceramic water-permeable brick
CN108191362A (en) * 2018-01-29 2018-06-22 云南森博混凝土外加剂有限公司 A kind of pervious concrete
CN108640617A (en) * 2018-04-26 2018-10-12 蚌埠市宝运商品混凝土有限公司 A kind of highly-permeable concrete pervious floor tile

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677546B (en) * 2012-05-02 2014-07-23 清华大学 Ionic liquid coated paper of thin-walled carbon nanotube and preparation method of ionic liquid coated paper
CN102676991B (en) * 2012-06-13 2014-01-15 东莞理工学院 Process for preparing superhard nano composite multilayer coating by PVD (physical vapor deposition) technology
CN103387564B (en) * 2013-07-29 2014-08-06 中南民族大学 Phenols electrochemical sensor based on ionic liquid-graphene oxide sensitive membrane
JP2015214676A (en) * 2014-04-21 2015-12-03 Jsr株式会社 Humidity control building composition and humidity control building material
CN106800393A (en) * 2016-12-19 2017-06-06 岳承华 A kind of modified carbon nano-tube strengthens the cement base water-permeable brick of anti-freezing property
CN107686274A (en) * 2017-07-24 2018-02-13 中国十七冶集团有限公司 A kind of pervious concrete additive and pervious concrete
CN107721359A (en) * 2017-11-15 2018-02-23 山西聚义宝鑫新材料有限公司 A kind of high-efficiency environment friendly permeable pavement brick
CN108455900A (en) * 2018-01-25 2018-08-28 四川通德商品混凝土有限公司 Pervious concrete and its preparation process, paving process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102718432A (en) * 2012-06-08 2012-10-10 河海大学 Carbon nanometer tube modified resin/glass fiber composite reinforcement material and preparation method thereof
KR20150022033A (en) * 2013-08-21 2015-03-04 주식회사 알씨산업 Compositions of pervious concrete products by using the aggregates from industrial wastes and method for the same
CN106192993A (en) * 2016-07-14 2016-12-07 河海大学 Modified GFRP muscle and reinforcing bar Concrete Structure anticorrosion stake and preparation method
CN106747313A (en) * 2016-12-30 2017-05-31 安徽华普环境修复材料科技有限公司 A kind of inexpensive Ceramic water-permeable brick
CN108191362A (en) * 2018-01-29 2018-06-22 云南森博混凝土外加剂有限公司 A kind of pervious concrete
CN108640617A (en) * 2018-04-26 2018-10-12 蚌埠市宝运商品混凝土有限公司 A kind of highly-permeable concrete pervious floor tile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112358257A (en) * 2020-11-02 2021-02-12 江苏新路德建设有限公司 Pervious asphalt concrete and preparation method and application thereof

Also Published As

Publication number Publication date
CN112125602A (en) 2020-12-25
CN112110698A (en) 2020-12-22
CN109111173B (en) 2020-10-30

Similar Documents

Publication Publication Date Title
CN105084844B (en) A kind of epoxy emulsion modified cement based patching material and preparation method thereof
CN114591049B (en) Method for preparing green mortar by using construction waste
CN104030634B (en) A kind of high-strength and high ductility RPC of carbon-doped nanometer tube and preparation method thereof
CN108164192A (en) A kind of ground polymers base adhesive and its preparation method and application
CN109111173A (en) A kind of pervious concrete and preparation method thereof
CN111995308A (en) Ultrahigh-toughness multi-wall carbon nanotube-polyvinyl alcohol fiber modified geopolymer and preparation method thereof
CN106007450A (en) Modified graphene oxide cement concrete early strength agent and application thereof
CN101786831B (en) Quick healant with low viscosity and high performance for concrete structure
CN109369061A (en) A kind of permeable concrete admixture and permeable concrete
CN106278038A (en) A kind of complete light self-insulating concrete and preparation method
CN107352914B (en) A kind of high-performance fiber concrete of C150 strength grade and preparation method thereof
CN109970377A (en) A kind of water-soluble organic polymer toughening slag-based ground polymer cementitious material and preparation method
CN113831077B (en) A kind of adhesive for permeable paving material and its application
CN109053078A (en) Geopolymer base grouting Rapid Road Patching Material and preparation method thereof
CN107337363A (en) A kind of cement concrete durability strengthens additive
CN117185751A (en) Crack-resistant and waterproof concrete containing modified polyacrylonitrile fiber and preparation method
CN108975781A (en) A kind of concrete admixture and concrete
CN110615643B (en) Organic silicon peroxide coupling agent modified fiber polymer concrete plate lower grouting agent and preparation method thereof
CN107324728B (en) A kind of high-performance fiber concrete of C80 strength grade and preparation method thereof
CN101412608B (en) Composite foam mortar and preparation method and construction method thereof
CN101456713A (en) Inorganic mineral earth surface insulating mortar
CN107298563B (en) A kind of high-performance fiber concrete of C90 strength grade and preparation method thereof
CN108840627A (en) A kind of pervious concrete and preparation method thereof
Sumathy et al. Modification of cement mortars by polymer latex
CN105060817A (en) Adhesive mortar for ALC (autoclaved lightweight concrete) wallboard

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200930

Address after: 443005 Lantai Branch Road, hi tech Zone, Yichang City, Hubei Province

Applicant after: Yichang Lihua new building materials Co., Ltd

Address before: 523808 Room 12N301, Machinery Building, Dongguan Institute of Technology, No. 1 University Road, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Applicant before: DONGGUAN University OF TECHNOLOGY

GR01 Patent grant
GR01 Patent grant