CN107686286A - A kind of preparation and application of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar - Google Patents
A kind of preparation and application of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar Download PDFInfo
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- CN107686286A CN107686286A CN201710590784.1A CN201710590784A CN107686286A CN 107686286 A CN107686286 A CN 107686286A CN 201710590784 A CN201710590784 A CN 201710590784A CN 107686286 A CN107686286 A CN 107686286A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B14/38—Fibrous materials; Whiskers
- C04B14/386—Carbon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1022—Non-macromolecular 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
- 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
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1037—Macromolecular compounds obtained otherwise than 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
- C04B24/24—Macromolecular 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
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
Abstract
The present invention provides a kind of preparation and application of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar, and specific preparation method is：Asphalt-based carbon fiber is aoxidized in atmosphere and the toluene solution impregnation containing epoxy resin, the asphalt-based carbon fiber pre-processed；Rubber powder is crushed, handled through low-temperature plasma activation and with the silane coupler aqueous solution, obtains activating rubber powder end；Asphalt-based carbon fiber and active rubber powder are stirred and to form mixed modifier, then after cement, mineral admixture and fine aggregate being slowly stirred, sequentially add mixed modifier, diminishing protects collapse component, foaming component and adhesive aggregation conditioning agent, quick stirring, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar.Self-compacting concrete dry powder and mortar prepared by the present invention has excellent elasticity and modulus, low temperature durability energy, can be used for the fields such as plate-type ballastless track, traffic track engineering, architectural engineering.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of plate-type ballastless track asphalt-based carbon fiber cement base is certainly
The preparation and application of air-free concrete dry powder and mortar.
Background technology
Along with the rapid development of China Express Railway construction technique, without how track has is widely applied and develops.It is general
Logical concrete has the defects of ductility is poor, tensile strength is low, contraction distortion is big, fragility destroys, and damaged infiltration easily occurs
Etc. disease, it is difficult to meet without how track the needs of.Self-compacting high performance concrete has higher stream compared with normal concrete
Dynamic property, phenomena such as placing process is not in isolation, bleeding, only relying on deadweight just can be full of template, avoid the coagulation of hardening
The genetic defects of soil, have excellent endurance quality and good mechanical property, therefore excellent working performance and endurance quality are excellent
It is different, make track plates that there is the advantages of cheap, construction is convenient, simple in construction.
Self-compacting mortar is a kind of to be configured by cement, mineral admixture, high efficiency water reducing agent, fine aggregate by certain ratio of mud
Form, because gum material and additive usage are big, therefore cost height be present, early hydration heat is high, and fines amount is big, easy to crack
The shortcomings of, it is difficult to it is a wide range of to use.A kind of self-compacting mortar combination and its preparation side disclosed in Chinese patent CN 102503250B
Method, the self-compacting mortar combination include water, cement, flyash, sand, melamine additive, the efficient portion of polyacrylamide regardless of
Powder, UWB-II types underwater anti-washout agent and flocculant, this method prepare mortar mix can according to different geological conditions,
The self-compacting mortar of different gap widths is configured, and cost reduces, suitable for there is the deep hole grout curtain of underground water.Chinese patent
A kind of preparation side of the high additive scrap glass powder self-compacting mortar with good volume stability disclosed in CN 105016675B
Method, scrap glass screening is cleaned and is milled to average grain diameter less than 15 μm, instead of 40-50% cement, with cement, fine aggregate and
Lithium salts is prepared to form binder materials, then binder materials and what and mixing water containing anhydrous sulfate are mixed to form into mortar, finally
High efficiency water reducing agent and lithium salts are added, forms the self-compacting mortar of high additive glass dust.From above-mentioned prior art, in order to reduce
The cost of self-compacting mortar, can be by seeking the inexpensive substitute of mortar raw material, but the performance of self-compacting mortar can be because replacing
For moral character can difference and performance, therefore seek optimal inexpensive substitute processability and stablize excellent self-compaction sand
Slurry seems very necessary.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of plate-type ballastless track asphalt-based carbon fiber cement base self-compaction to mix
The preparation and application of solidifying soil dry powder and mortar, it is of the invention to aoxidize asphalt-based carbon fiber in atmosphere and toluene containing epoxy resin is molten
Liquid impregnation, rubber powder is crushed, and is handled through low-temperature plasma activation and with the silane coupler aqueous solution, then incite somebody to action both
Stirring forms mixed modifier, after being then slowly stirred cement, mineral admixture and fine aggregate, sequentially adds mixed and modified
Collapse component, foaming component and adhesive aggregation conditioning agent are protected in agent, diminishing, quick stirring, obtain plate-type ballastless track asphalt-based carbon fiber cement
Base self-compacting concrete dry powder and mortar.Self-compacting concrete dry powder and mortar prepared by the present invention has excellent elasticity and mould
Amount, low temperature durability energy, can be used for the fields such as plate-type ballastless track, traffic track engineering, architectural engineering.
In order to solve the above technical problems, the technical scheme is that：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar, its feature exist
In：Comprise the following steps：
(1) by asphalt-based carbon fiber in 360-400 DEG C of air oxidation processes 1-2h, then be impregnated in the first containing epoxy resin
In benzole soln, take out, the baking and curing 20-30min at 100-110 DEG C, the asphalt-based carbon fiber pre-processed；
(2) rubber powder further crushed to 100-150 mesh sieves, it is then evenly laid out, through low-temperature plasma activation
After processing, impregnated with the silane coupler aqueous solution, the baking and curing 20-30min at 100-110 DEG C, obtain activating rubber powder end；
(3) in parts by weight, asphalt-based carbon fiber 0.01-0.5 parts and active rubber powder 1-5 parts are stirred, makes both
It is uniformly dispersed to form mixed modifier, then delays 100 parts of cement, mineral admixture 20-100 parts and fine aggregate 100-600 parts
After slow stirring 1-2min, mixed modifier is sequentially added, diminishing protects component 0.1-5 parts of collapsing, foaming component 0.2-10 parts and viscous
Poly- conditioning agent 0.1-10 parts, quickly stir 5-10min, obtain plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete
Use dry powder and mortar.
As the preferred of above-mentioned technical proposal, in the step (1), the toluene solution epoxy resin containing epoxy resin
Mass fraction is 0.5-1%, dip time 30-60min.
As the preferred of above-mentioned technical proposal, in the step (1), the crystallite orientation degree of the asphalt-based carbon fiber of pretreatment is high
In 90%, phosphorus content is higher than 99.8%.
As the preferred of above-mentioned technical proposal, in the step (2), the power of low-temperature plasma activation processing is 300-
500W, time 1-3min.
As the preferred of above-mentioned technical proposal, in the step (2), silane coupler is silicon in the silane coupler aqueous solution
Alkane coupling agent KH-550, mass fraction 0.2-0.5%, dip time 30-60min.
As the preferred of above-mentioned technical proposal, in the step (3), mineral admixture is that mass ratio is 1:0.5:0.1
Flyash, slag and silica flour.
As the preferred of above-mentioned technical proposal, in the step (3), fine aggregate is that fine aggregate is that moisture content is less than 1%, is thin
One or more of mixtures of river sand of the modulus less than 2.6, pottery sand and artificial sand are spent, it is high for polyacrylie-type that diminishing protects component of collapsing
Imitate water reducer.
As the preferred of above-mentioned technical proposal, in the step (3), foaming component is that mass ratio is 50:1-3 Tea Saponin
Foaming agent and sucrose, adhesive aggregation conditioning agent are 1-5 including mass ratio:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and first
Base cellulose.
The present invention also provides a kind of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar
Using, it is characterised in that the plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar can be used
In plate-type ballastless track, the fields such as traffic track engineering, architectural engineering are can also be applied to.
As the preferred of above-mentioned technical proposal, the application process is：In mixing plant or job site, by plate-type ballastless
Track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar mixes with coarse aggregate and water, prepares to be formed through action of forced stirring
Self-compacting concrete compound, the coarse aggregate can be rockfill materials.
Compared with prior art, the invention has the advantages that：
(1) plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete prepared by the present invention is wrapped with dry powder and mortar
Active rubber powder is included, rubber powder is the broken particle powder formed of physics, and internal cross-linked structure is not destroyed completely, and surface is in lazy
Character state, the bonding force reinforcement with matrix, comixing compatibility is poor, the present invention by rubber powder first through Low Temperature Plasma Treating,
Activated again through silane coupler, improve aperture, hole and the surface functional group of rubber powder, reduce the surface energy of rubber powder, increase glue
The dispersibility of powder and mineral material, improve the elasticity of self-compaction mixed mud.
(2) plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete prepared by the present invention is wrapped with dry powder and mortar
The asphalt-based carbon fiber of pretreatment is included, asphalt-based carbon fiber is anisotropic fiber, and fiber macromolecular forms molecular network, can improve certainly
The modulus of elasticity of air-free concrete, the fatigue durability of concrete is improved, but traditional asphalt-based carbon fiber surface inertness is big, lacks
Chemism functional group, poor with the wellability of matrix, low with the bond strength of matrix, the present invention exists to asphalt-based carbon fiber surface
Airoxidation is carried out at 360-400 DEG C, strengthens surface-active, to eliminate surface impurity, and micropore is formed in fiber surface,
Increase surface energy, then surface attachment epoxy coating, further improve with cement base and activate the affinity and bonding of rubber
Power, improve the mechanical property of concrete material.
(3) plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete prepared by the present invention is wrapped with dry powder and mortar
Foaming component is included, foaming component has a great influence with the foaming system that filler is formed to the intensity of concrete, contract with dry rate and water absorption rate,
For the present invention from Tea Saponin foaming agent and sucrose as foaming component, Tea Saponin is that a kind of excellent natural non-ionic surface is lived
Property agent, have very strong foaming power in aqueous, foaming lasting stability is not easy to defoam, and polyol sucrose can be with tea
Saponin forms glycoprotein in the form of covalent bond, the viscosity of increase foaming liquid film, further improves the stability to foam, and foaming agent
While the elasticity of self-compacting concrete is improved, low temperature durability is increased substantially.
(4) the plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar elasticity that prepared by the present invention
Good, modulus is high, and good fluidity, self-compaction effect is good, also with the durable performance of low temperature, can be used for plate-type ballastless track, hands over
The fields such as logical track engineering, architectural engineering.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar includes following
Step：
(1) by asphalt-based carbon fiber in 360 DEG C of air oxidation processes 1h, then be impregnated in containing 0.5% epoxy resin
30min in toluene solution, take out, the baking and curing 20min at 100- DEG C, it is high higher than 90%, phosphorus content to obtain crystallite orientation degree
In the asphalt-based carbon fiber of 99.8% pretreatment.
(2) rubber powder further crushed to 100 mesh sieves, it is then evenly laid out, under 300W power through low temperature etc. from
After daughter activation process 1min, 30min, the baking and curing at 100 DEG C are impregnated with the 0.2% silane resin acceptor kh-550 aqueous solution
20min, obtain activating rubber powder end.
(3) in parts by weight, by the 1 part of stirring of 0.5 part of asphalt-based carbon fiber and active rubber powder, both are made to be uniformly dispersed
Mixed modifier is formed, then by 100 parts of cement, mass ratio 1:0.5:The mineral blending of 0.1 flyash, slag and silica flour
20 parts of material, moisture content are less than river sand, pottery sand and artificial sand fine aggregate 100 part of the 1%, modulus of fineness less than 2.6 and are slowly stirred
After 1min, mixed modifier, 0.1 part of polyacrylie-type high efficiency water reducing agent, mass ratio 50 are sequentially added:1 Tea Saponin hair
0.2 part of the foaming component of infusion and sucrose, 1:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose glues
Poly- 0.1 part of conditioning agent, quickly stirs 5min, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder
Mortar.
Embodiment 2：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar includes following
Step：
(1) by asphalt-based carbon fiber in 400 DEG C of air oxidation processes 2h, then be impregnated in the first containing 1% epoxy resin
60min in benzole soln, take out, the baking and curing 30min at 110 DEG C, obtain crystallite orientation degree and be higher than higher than 90%, phosphorus content
The asphalt-based carbon fiber of 99.8% pretreatment.
(2) rubber powder further crushed to 150 mesh sieves, it is then evenly laid out, under 500W power through low temperature etc. from
After daughter activation process 3min, 30-60min is impregnated with the 0.5% silane resin acceptor kh-550 aqueous solution, is dried at 110 DEG C
Solidify 30min, obtain activating rubber powder end.
(3) in parts by weight, by the 5 parts of stirrings of 0.5 part of asphalt-based carbon fiber and active rubber powder, both are made to be uniformly dispersed
Mixed modifier is formed, then by 100 parts of cement, mass ratio 1:0.5:The mineral blending of 0.1 flyash, slag and silica flour
100 parts of material, moisture content are less than river sand, pottery sand and artificial sand fine aggregate 600 part of the 1%, modulus of fineness less than 2.6 and are slowly stirred 1-
After 2min, mixed modifier, 5 parts of polyacrylie-type high efficiency water reducing agent, mass ratio 50 are sequentially added:3 Tea Saponin foaming
10 parts of the foaming component of agent and sucrose, 5:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose adhesive aggregation is adjusted
10 parts of agent is saved, 10min is quickly stirred, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand
Slurry.
Embodiment 3：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar includes following
Step：
(1) by asphalt-based carbon fiber in 380 DEG C of air oxidation processes 1.5h, then be impregnated in containing 0.6% epoxy resin
Toluene solution in 40min, take out, the baking and curing 25min at 105 DEG C, obtain crystallite orientation degree higher than 90%, phosphorus content it is high
In the asphalt-based carbon fiber of 99.8% pretreatment.
(2) rubber powder further crushed to 110 mesh sieves, it is then evenly laid out, under 400W power through low temperature etc. from
After daughter activation process 2min, 45min, the baking and curing at 110 DEG C are impregnated with the 0.3% silane resin acceptor kh-550 aqueous solution
25min, obtain activating rubber powder end.
(3) in parts by weight, by the 3 parts of stirrings of 0.05 part of asphalt-based carbon fiber and active rubber powder, make both scattered equal
Even formation mixed modifier, then by 100 parts of cement, mass ratio 1:0.5:The mineral of 0.1 flyash, slag and silica flour are mixed
After 1.5min being slowly stirred with 50 parts of material, moisture content less than 300 parts of river sand fine aggregate of the 1%, modulus of fineness less than 2.6, then according to
Secondary addition mixed modifier, 0.5 part of polyacrylie-type high efficiency water reducing agent, mass ratio 50:12 Tea Saponin foaming agent and sucrose
1 part of foaming component, 2:10：0.5 1 part of UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose adhesive aggregation conditioning agent,
Quick stirring 6min, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar.
Embodiment 4：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar includes following
Step：
(1) by asphalt-based carbon fiber in 390 DEG C of air oxidation processes 2h, then be impregnated in containing 0.8% epoxy resin
50min in toluene solution, take out, the baking and curing 20min at 110 DEG C, obtain crystallite orientation degree and be higher than higher than 90%, phosphorus content
The asphalt-based carbon fiber of 99.8% pretreatment.
(2) rubber powder further crushed to 150 mesh sieves, it is then evenly laid out, under 450W power through low temperature etc. from
After daughter activation process 1.5min, 50min is impregnated with the 0.4% silane resin acceptor kh-550 aqueous solution, is dried at 100 DEG C solid
Change 30min, obtain activating rubber powder end.
(3) in parts by weight, by the 2 parts of stirrings of 0.01 part of asphalt-based carbon fiber and active rubber powder, make both scattered equal
Even formation mixed modifier, then by 100 parts of cement, mass ratio 1:0.5:The mineral of 0.1 flyash, slag and silica flour are mixed
It is less than pottery sand of the 1%, modulus of fineness less than 2.6 with 50 parts of material, moisture content and 400 parts of artificial sand fine aggregate is slowly stirred 1min
Afterwards, mixed modifier, 3 parts of polyacrylie-type high efficiency water reducing agent, mass ratio 50 are sequentially added:1 Tea Saponin foaming agent and
3 parts of the foaming component of sucrose, 2:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose adhesive aggregation conditioning agent 5
Part, 10min is quickly stirred, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar.
Embodiment 5：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar includes following
Step：
(1) by asphalt-based carbon fiber in 400 DEG C of air oxidation processes 1h, then be impregnated in the first containing 1% epoxy resin
30min in benzole soln, take out, the baking and curing 20min at 110 DEG C, obtain crystallite orientation degree and be higher than higher than 90%, phosphorus content
The asphalt-based carbon fiber of 99.8% pretreatment.
(2) rubber powder further crushed to 150 mesh sieves, it is then evenly laid out, under 300W power through low temperature etc. from
After daughter activation process 3min, 60min, the baking and curing at 100 DEG C are impregnated with the 0.2% silane resin acceptor kh-550 aqueous solution
30min, obtain activating rubber powder end.
(3) in parts by weight, by the 1 part of stirring of 0.5 part of asphalt-based carbon fiber and active rubber powder, both are made to be uniformly dispersed
Mixed modifier is formed, then by 100 parts of cement, mass ratio 1:0.5:The mineral blending of 0.1 flyash, slag and silica flour
After 100 parts of material, moisture content are slowly stirred 1min less than 600 parts of river sand of the 1%, modulus of fineness less than 2.6 and artificial sand fine aggregate,
Sequentially add mixed modifier, 5 parts of polyacrylie-type high efficiency water reducing agent, mass ratio 50:1 Tea Saponin foaming agent and sucrose
10 parts of foaming component, 1:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose adhesive aggregation conditioning agent 10
Part, 5min is quickly stirred, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar.
Embodiment 6：
A kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar includes following
Step：
(1) by asphalt-based carbon fiber in 360 DEG C of air oxidation processes 2h, then be impregnated in containing 0.5% epoxy resin
60min in toluene solution, take out, the baking and curing 30min at 100 DEG C, obtain crystallite orientation degree and be higher than higher than 90%, phosphorus content
The asphalt-based carbon fiber of 99.8% pretreatment.
(2) rubber powder further crushed to 100 mesh sieves, it is then evenly laid out, under 500W power through low temperature etc. from
After daughter activation process 1min, 30min, the baking and curing at 110 DEG C are impregnated with the 0.5% silane resin acceptor kh-550 aqueous solution
20min, obtain activating rubber powder end.
(3) in parts by weight, by the 1 part of stirring of 0.5 part of asphalt-based carbon fiber and active rubber powder, both are made to be uniformly dispersed
Mixed modifier is formed, then by 100 parts of cement, mass ratio 1:0.5:The mineral blending of 0.1 flyash, slag and silica flour
100 parts of material, moisture content are less than river sand, pottery sand and artificial sand fine aggregate 100 part of the 1%, modulus of fineness less than 2.6 and are slowly stirred
After 2min, mixed modifier, 0.1 part of polyacrylie-type high efficiency water reducing agent, mass ratio 50 are sequentially added:3 Tea Saponin hair
0.2 part of the foaming component of infusion and sucrose, 1:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose glues
Poly- 5 parts of conditioning agent, quickly stirs 10min, obtains plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder
Mortar.
Comparative example 1：
A kind of preparation of plate-type ballastless track cement base self-compacting concrete dry powder and mortar comprises the following steps：
(1) rubber powder further crushed to 100 mesh sieves, it is then evenly laid out, under 300W power through low temperature etc. from
After daughter activation process 1min, 30min, the baking and curing at 100 DEG C are impregnated with the 0.2% silane resin acceptor kh-550 aqueous solution
20min, obtain activating rubber powder end.
(2) in parts by weight, by 100 parts of cement, mass ratio 1:0.5:The ore deposit of 0.1 flyash, slag and silica flour
20 parts of thing admixture, moisture content are less than 100 parts of river sand of the 1%, modulus of fineness less than 2.6, pottery sand and artificial sand fine aggregate slowly
After stirring 1min, 1 part of active rubber powder, 0.1 part of polyacrylie-type high efficiency water reducing agent, mass ratio 50 are sequentially added:1
0.2 part of the foaming component of Tea Saponin foaming agent and sucrose, 1:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methyl
0.1 part of cellulose adhesive aggregation conditioning agent, quickly stirs 5min, obtains plate-type ballastless track cement base self-compacting concrete dry powder sand
Slurry.
Comparative example 2：
A kind of preparation of plate-type ballastless track cement base self-compacting concrete dry powder and mortar comprises the following steps：
(1) by asphalt-based carbon fiber in 360 DEG C of air oxidation processes 1h, then be impregnated in containing 0.5% epoxy resin
30min in toluene solution, take out, the baking and curing 20min at 100- DEG C, it is high higher than 90%, phosphorus content to obtain crystallite orientation degree
In the asphalt-based carbon fiber of 99.8% pretreatment.
(2) in parts by weight, by 100 parts of cement, mass ratio 1:0.5:The ore deposit of 0.1 flyash, slag and silica flour
20 parts of thing admixture, moisture content are less than 100 parts of river sand of the 1%, modulus of fineness less than 2.6, pottery sand and artificial sand fine aggregate slowly
After stirring 1min, 0.5 part of asphalt-based carbon fiber, 0.1 part of polyacrylie-type high efficiency water reducing agent, mass ratio 50 are sequentially added:1
0.2 part of the foaming component of Tea Saponin foaming agent and sucrose, 1:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methyl
0.1 part of cellulose adhesive aggregation conditioning agent, quickly stirs 5min, obtains plate-type ballastless track cement base self-compacting concrete dry powder sand
Slurry.
After testing, the plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder that prepared by embodiment 1-6
Board-like non-fragment orbit cement base self-compacting concrete prepared by mortar and comparative example is prepared to form concrete with dry powder and mortar
Service behaviour result it is as follows：
As seen from the above table, the plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder that prepared by the present invention
Mortar good fluidity, self-compacting ability can be achieved, and the concrete elastic and modulus that prepare are good, and there is low temperature durability
Energy.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of preparation of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar, its feature exist
In：Comprise the following steps：
(1) by asphalt-based carbon fiber in 360-400 DEG C of air oxidation processes 1-2h, then to be impregnated in the toluene containing epoxy resin molten
In liquid, take out, the baking and curing 20-30min at 100-110 DEG C, the asphalt-based carbon fiber pre-processed；
(2) rubber powder further crushed to 100-150 mesh sieves, it is then evenly laid out, handled through low-temperature plasma activation
Afterwards, impregnated with the silane coupler aqueous solution, the baking and curing 20-30min at 100-110 DEG C, obtain activating rubber powder end；
(3) in parts by weight, asphalt-based carbon fiber 0.01-0.5 parts and active rubber powder 1-5 parts are stirred, makes both scattered
Mixed modifier is formed uniformly, then slowly stirs 100 parts of cement, mineral admixture 20-100 parts and fine aggregate 100-600 parts
After mixing 1-2min, mixed modifier is sequentially added, diminishing is protected component 0.1-5 parts of collapsing, foaming component 0.2-10 parts and adhesive aggregation and adjusted
Agent 0.1-10 parts are saved, quickly stir 5-10min, it is dry to obtain plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete use
Powder mortar.
A kind of 2. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (1), the mass fraction of the toluene solution epoxy resin containing epoxy resin is
0.5-1%, dip time 30-60min.
A kind of 3. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (1), the crystallite orientation degree of the asphalt-based carbon fiber of pretreatment is carbon containing higher than 90%
Amount is higher than 99.8%.
A kind of 4. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (2), the power of low-temperature plasma activation processing is 300-500W, and the time is
1-3min。
A kind of 5. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (2), silane coupler is silane coupler KH- in the silane coupler aqueous solution
550, mass fraction 0.2-0.5%, dip time 30-60min.
A kind of 6. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (3), mineral admixture is that mass ratio is 1:0.5:0.1 flyash, slag
And silica flour.
A kind of 7. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (3), fine aggregate is that fine aggregate is that moisture content is less than less than 1%, modulus of fineness
One or more of mixtures of 2.6 river sand, pottery sand and artificial sand, it is polyacrylie-type high efficiency water reducing agent that diminishing, which protects component of collapsing,.
A kind of 8. plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder sand according to claim 1
The preparation of slurry, it is characterised in that：In the step (3), foaming component is that mass ratio is 50:1-3 Tea Saponin foaming agent and sugarcane
Sugar, adhesive aggregation conditioning agent are 1-5 including mass ratio:10：0.5 UEA swelling agents, polycarboxylic acids viscosity modifier and methylcellulose.
9. a kind of application of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar, its feature exist
In the plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar can be used for plate-type ballastless rail
Road, it can also be applied to the fields such as traffic track engineering, architectural engineering.
10. according to a kind of plate-type ballastless track asphalt-based carbon fiber cement base self-compacting concrete dry powder and mortar of claim 9
It is using, it is characterised in that the application process：In mixing plant or job site, by plate-type ballastless track asphalt-based carbon fiber
Cement base self-compacting concrete dry powder and mortar mixes with coarse aggregate and water, prepares to form self-compacting concrete and mix through action of forced stirring
Material is closed, the coarse aggregate can be rockfill materials.
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