CN108558296A - A kind of fiber reinforcement thermal insulation concrete wall - Google Patents
A kind of fiber reinforcement thermal insulation concrete wall Download PDFInfo
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- CN108558296A CN108558296A CN201810407126.9A CN201810407126A CN108558296A CN 108558296 A CN108558296 A CN 108558296A CN 201810407126 A CN201810407126 A CN 201810407126A CN 108558296 A CN108558296 A CN 108558296A
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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
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
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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
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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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
- 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 relates to concrete and its preparing technical fields, and in particular to a kind of fiber reinforcement thermal insulation concrete wall, the fiber reinforcement thermal insulation concrete wall are made of the raw material of following parts by weight：25~45 parts by weight of flyash, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite, 3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of compound porous fiber, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, 1~3 parts by weight of the first foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；The compound porous fiber is made of following substance：10~30 parts by weight of first polymer lotion, 18~56 parts by weight of second polymer lotion, 0.6~10 parts by weight of the second foaming agent, 1~6 parts by weight of metal oxide powder, 10~30 parts by weight of chain extender.The fiber reinforcement thermal insulation concrete wall of the present invention has the characteristics that light-weight, intensity is high, good weatherability.
Description
Technical field
The present invention relates to concrete and its preparing technical fields, and in particular to a kind of fiber reinforcement thermal insulation concrete wall.
Background technology
Building energy conservation is to realize the very important one side of low-carbon economy.Wherein exterior-wall heat insulation is the pass of building energy conservation
Key.The external walls heating insulation that China is used or promotes has：1. being applied with plastic foamboard；2. making exterior wall folder with plastic foamboard
The heart；3. granular polystyrene or glass microballoon, glass and cement production systD slurry are applied with exterior wall by specialist additive；4. cast-in-place bubble
Foam concrete wall thermal insulation technology is that People's Republic of China's house and town and country construction portion (building scientific research letter [2010] 74) are promoted
Project (《The livable type residence technology in villages and small towns promotes catalogue》67 or《Existing building energy saving retrofit technology promotes catalogue》53).
A variety of excellent performances possessed by foam concrete, such as Lightness good, noninflammability is good, and thermal and insulating performance is good, ring
The characteristics of guaranteed cost is good, and anti-seismic performance is good, adjustable indoor humidity conforms exactly to the requirement of construction material greenization, along with bubble
Foam concrete can largely use industrial residue, and production and construction is convenient, and the performances such as cheap impart its higher cost performance
And economic efficient latent.Normal concrete wall and aerated concrete wall belong to fragile material at present, it is easy to because shrinking
And microcrack is generated, it even completely destroys, cannot be satisfied the requirement of building structure, the partition wall or thermal insulating material of non-bearing can only be done
Material.Therefore, it is urgent needs to prepare the foam concrete wall with high-strength light, waterproof crack resistence function.
Invention content
It is of the existing technology the purpose of the invention is to overcome the problems, such as, a kind of fiber reinforcement thermal insulation concrete wall is provided
Body, it has, and light-weight, intensity is high, and the feature that heat insulation effect is excellent, disclosure satisfy that construction industry refers to concrete wall performance
Mark requires, and has a good application prospect.
To achieve the goals above, the present invention provides a kind of fiber reinforcement thermal insulation concrete wall, by following parts by weight
Raw material be made：25~45 parts by weight of flyash, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 weight of diatomite
Measure part, 3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of compound porous fiber, 15~48 parts by weight of lightweight aggregate, waste and old rubber
3~8 parts by weight of micelle, 1~3 parts by weight of the first foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The compound porous fiber is made of following substance：10~30 parts by weight of first polymer lotion, second polymer
18~56 parts by weight of lotion, 0.6~10 parts by weight of the second foaming agent, 0.5~3 parts by weight of metal oxide powder, chain extender 10
~30 parts by weight.
Through the above technical solutions, the present invention in concrete by being added the composite fibre with multiple pore structure, it is more
On the one hand pore structure can reduce the quality of system, on the other hand can also stop the propagation of sound and heat, play heat insulation
The effect of sound.Further, since the composite fibre is made of inner core and outer wall dual structure, there is higher intensity, can enhance
The intensity of concrete.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of fiber reinforcement thermal insulation concrete wall, is made of the raw material of following parts by weight：Flyash
25~45 parts by weight, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite, precipitated calcium carbonate 3
~15 parts by weight, 3~12 parts by weight of compound porous fiber, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain,
One foaming agent, 1~3 parts by weight, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The compound porous fiber is made of following substance：10~30 parts by weight of first polymer lotion, second polymer
18~56 parts by weight of lotion, 0.6~10 parts by weight of the second foaming agent, 0.5~3 parts by weight of metal oxide powder, chain extender 10
~30 parts by weight.
Under optimum condition, the compound porous fiber is made of following substance：20~24 parts by weight of first polymer lotion,
18~22 parts by weight of second polymer lotion, 2~6 parts by weight of foaming agent, 1~2 parts by weight of metal oxide powder, chain extender 20
~24 parts by weight.
According to the present invention, by mixing the second foaming agent with first polymer lotion in the present invention, and Static Spinning is carried out
Silk generates the polymer fiber containing foaming agent, and foaming agent forms hole after pyrolytic inside polymer fiber, because
This, foaming agent is one of the important component to form polymeric inner gap, and under preferable case, second foaming agent is selected from 4,4-
Oxobenzenesulfonyl hydrazide, azodicarbonamide, N, at least one of N '-dinitrosopentamethlyene tetramines.
Under optimum condition, the first polymer lotion and second polymer lotion are independently selected from poly- inclined fluorine
Vac emulsion, polyethylene terephthalate lotion, polyethylene terephthalate lotion, polyarylate lotion, polyvinyl acetate
Lotion, 6 lotion of nylon, polymethyl methacrylate lotion, Polyaniline emulsion, polyethylene glycol oxide lotion, polyvinylpyrrolidone
At least one of lotion.
The matter of concrete wall can be reduced under conditions of not influencing concrete wall intensity by the way that aglite is added
Amount, under optimum condition, the lightweight aggregate in clay haydite, float stone, polyethylene foams, castor-oil plant bar straw and sawdust extremely
Few one kind；The grain size of the lightweight aggregate is 1~5mm.
Under optimum condition, the grain size of the rubber granule is 1~5mm.
It can be in concrete wall internal performance stomata, to further decrease concrete wall by the way that foaming agent is added
Weight, under optimum condition, the foaming agent is at least one of aluminium powder, magnesium powder, zinc powder, hydrogen peroxide and rosin soap.
Under optimum condition, the water-reducing agent is selected from NF types water-reducing agent, FDN types water-reducing agent, UNF-2 types water-reducing agent, AF types and subtracts
One kind in aqua, S types water-reducing agent and MF type water-reducing agents.
In order to advanced optimize the comprehensive performance and workability of lightweight concrete wall, other auxiliary agents are selected from steady
At least one of infusion, hydrophober, water-retaining agent, early strength agent and retarder.Wherein, the foam stabilizer is dodecyl benzene sulfonic acid
At least one of sodium, polyacrylamide, odium stearate；The hydrophober is organosilicon moisture repellent, silylation hydrophober, tristearin
At least one of sour calcium；The water-retaining agent is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl reinforcing fiber element ether；It is described
Early strength agent is at least one of sodium aluminate, lithium carbonate, anhydrous sodium sulfate；The retarder is citric acid, tartaric acid, glucose
At least one of sour sodium.
The present invention also provides a kind of preparation methods of the fiber reinforcement thermal insulation concrete wall, include the following steps：
(1) first polymer lotion and the second foaming agent are subjected to spinning after mixing, obtain polymer fiber；Again will
Polymer fiber, chain extender and metal oxide powder are placed in second polymer lotion, at 60~100 DEG C react 15~
Then 60min impregnates in an acidic solution, obtain compound porous fiber；
(2) by flyash, cement, fine sand, diatomite, precipitated calcium carbonate, lightweight aggregate, compound porous fiber and waste old
Powders mixture is uniformly mixed to obtain under mechanical agitation；
(3) be added in above-mentioned powders mixture after water-reducing agent, other auxiliary agents being uniformly dispersed in water, continue stirring 60~
150s obtains mixed slurry；Finally the first foaming agent is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 20~60% of mold volumes amount, mold is covered
It is tamping, infusion pending, which generates bubble, makes mix expand, and is full of mold, stands 1 hour, and mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then conserved.
By being modified to waste old, charged functional groups can be introduced on the surface of rubber granule, it is mixed with other raw materials
By interacting between charge after conjunction, its binding force is improved, it is described waste and old under optimum condition to improve the intensity of concrete
The modified technique of rubber is：Waste old grain is impregnated into 3~5h in the acid solution that pH is 6~6.5, obtains acidification rubber,
In water after mixing by acidification rubber and PEG 400, it is stirred to react 1~2h at 80~120 DEG C, obtains modified rubber.
The polymer emulsion containing foaming agent is subjected to electrostatic spinning first in the present invention, obtains polymer fiber, then
Polymer fiber is placed in again in the polymer emulsion containing metal oxide and is further reacted, it can be in polymeric fiber surface
The composite fibre of doped metallic oxide is generated, composite fibre impregnates in an acidic solution, metal oxide can be made to occur molten
Solution, to generate the composite fibre of porous structure.
Under optimum condition, the maintenance process is with 80 DEG C of steam curing 1~16 day or natural curing 28 days, until material
Reach design strength；Or it is heated at 60 DEG C, form removal after 3 hours；Or after form removal, concrete wall is cut into respectively
The building block of kind size or wallboard, then carry out steam curing or natural curing.
The present invention is compound as aggregate using flyash, cement, fine sand, montmorillonite, diatomite and aglite, improves mixed
The interior porosity of solidifying cob wall body, significantly reduces the elasticity modulus of concrete wall, while the accumulation for reducing concrete wall is close
Degree and mass density, have the characteristics that lighting.The addition of compound porous fiber can significantly improve the cracking resistance of concrete wall
Performance and intensity, while reducing the thermal coefficient of concrete material achieve the effect that heat preservation, heat-insulated.
Embodiment 1
(1) 24kg polyethylene terephthalate lotion, 6kg 4,4- oxobenzenesulfonyl hydrazide are carried out after mixing
Spinning, obtains dacron fibre, and spinning technique is：Supply voltage 30kV, spinning temperature is 25 DEG C, relatively wet
Degree 60%；Multi needle spinneret unit syringe needle spacing 25cm, spinneret unit syringe needle quantity are 60；Take 22kg poly terephthalic acid second
Two ester fibers, 20kg ethylene glycol and 1.2kg zinc nitrates are placed in 12kg polyethylene terephthalate lotions, are reacted at 80 DEG C
45min obtains polymer fiber, and polymer fiber is then impregnated 2h in the hydrochloric acid solution that pH is 3, wherein more per 15min
A hydrochloric acid solution is changed, compound porous fiber is obtained；
4kg waste olds grain is impregnated into 4h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 10kg maleic anhydrides, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg float stones (1~5mm), 10kg polyethylene foams, the compound porous fibers of 5kg and modified rubber are in machine
Powders mixture is uniformly mixed to obtain under tool stirring condition；
(3) by 1.2kg polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg 12
Sodium alkyl benzene sulfonate, 0.5kg calcium stearates, 0.5kg hydroxyethyl methyl reinforcing fiber elements ether, 0.5kg sodium aluminates and 0.5kg grapes
Sodium saccharate is added after being uniformly dispersed in water in above-mentioned powders mixture, is continued 60~150s of stirring and is obtained mixed slurry；Finally
2kg hydrogen peroxide (5wt%) is added in mixture slurry, concrete presoma is stirred evenly to obtain；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, are protected until material reaches design strength to get to fiber reinforcement
Warm concrete wall.
Embodiment 2
(1) by 6 lotion of 20kg nylon and 2kg 4,4- oxobenzenesulfonyl hydrazide carries out spinning, obtains nylon after mixing
6 fibers, spinning technique are：Supply voltage 30kV, spinning temperature are 25 DEG C, relative humidity 60%；Multi needle spinneret unit syringe needle
Spacing 25cm, spinneret unit syringe needle quantity are 60；18kg nylon 6 fibers, 24kg 1,3 butylene glycols and 2kg zinc oxide is taken to set
In 6 lotion of 10kg nylon, 30min is reacted at 80 DEG C, obtains polymer fiber, is then 2 in pH by polymer fiber
1.5h is impregnated in hydrochloric acid solution, wherein replacing a hydrochloric acid solution per 15min, composite fibre B is obtained, by composite fibre B 150
30min is handled at DEG C, obtains compound porous fiber
3kg waste olds grain is impregnated into 3h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 9kg maleic anhydrides, it is stirred to react 1h at 120 DEG C, obtains modified rubber；
(2) by 25kg flyash, 35kg cement, 15kg fine sands, 12kg diatomite, 5kg polyethylene foams (1~
5mm), the compound porous fiber of 10kg castor-oil plant bars straw, 1kg and modified rubber are uniformly mixed to obtain powder mixing under mechanical agitation
Object；
(3) by 1.5kg polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg 12
Sodium alkyl benzene sulfonate, 1kg calcium stearates, 1kg hydroxyethyl methyl reinforcing fiber elements ether, 1kg sodium aluminates and 1kg sodium gluconates exist
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 1kg dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, are protected until material reaches design strength to get to fiber reinforcement
Warm concrete wall.
Embodiment 3
(1) 10kg polyvinyl acetate emulsions and 2kg azodicarbonamides are subjected to spinning after mixing, obtain poly-vinegar acid
Vinyl fiber, spinning technique are：Supply voltage 30kV, spinning temperature are 25 DEG C, relative humidity 60%；Multi needle spinneret unit needle
Head spacing 25cm, spinneret unit syringe needle quantity are 60；Take 9kg polyvinyl acetate fibers, 24kg neopentyl glycols and 0.5kg oxidations
Zinc is placed in 30kg polyvinyl acetate emulsions, reacts 45min at 75 DEG C, obtains polymer fiber, then by polymer fiber
2h is impregnated in the hydrochloric acid solution that pH is 4.2, wherein replacing a hydrochloric acid solution per 10min, obtains compound porous fiber；
6kg waste olds grain is impregnated into 5h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 15kg maleic anhydrides, it is stirred to react 2h at 80 DEG C, obtains modified rubber；
(2) 45kg flyash, 15kg cement, 30kg fine sands, 5kg diatomite, 48kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 18kg float stones (1~5mm), 20kg polyethylene foams (1~5mm), the compound porous fibers of 5kg and modification
Rubber is uniformly mixed to obtain powders mixture under mechanical agitation；
(3) by 0.5kg polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg 12
Sodium alkyl benzene sulfonate, 0.5kg calcium stearates, 1kg hydroxyethyl methyl reinforcing fiber elements ether, 0.5kg sodium aluminates and 1kg gluconic acids
Sodium is added after being uniformly dispersed in water in above-mentioned powders mixture, is continued 60~150s of stirring and is obtained mixed slurry；Finally by 3kg
Hydrogen peroxide (5wt%) is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, are protected until material reaches design strength to get to fiber reinforcement
Warm concrete wall.
Embodiment 4
(1) 30kg polyarylates lotion, 2- methyl-1,3-propanediols and 10kg azodicarbonamides are carried out after mixing
Spinning, obtains polyarylate fiber, and spinning technique is：Supply voltage 30kV, spinning temperature are 25 DEG C, relative humidity 60%；Spininess
Head spinneret unit syringe needle spacing 25cm, spinneret unit syringe needle quantity are 60；28kg polyarylate fibers, 30kg 2- methyl-1s are taken,
3-propanediol and 1kg aluminium oxide are placed in 20kg polyarylate lotions, react 15min at 100 DEG C, obtain polymer fiber, so
Polymer fiber is impregnated into 1h in the hydrochloric acid solution that pH is 1 afterwards, wherein replacing a hydrochloric acid solution per 10min, is obtained compound
Porous fibre；
8kg waste olds grain is impregnated into 3h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 20kg maleic anhydrides, it is stirred to react 1.5h at 120 DEG C, obtains modified rubber；
(2) by 40kg flyash, 30kg cement, 20kg fine sands, 10kg diatomite, 5kg precipitated calcium carbonates, 10kg float stones (1
~5mm), 10kg polyethylene foams, the compound porous fibers of 2kg and modified rubber be uniformly mixed under mechanical agitation
Powders mixture；
(3) by 0.8kg polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg 12
Sodium alkyl benzene sulfonate, 1kg sodium aluminates and 1kg sodium gluconates are added after being uniformly dispersed in water in above-mentioned powders mixture, after
60~150s of continuous stirring obtains mixed slurry；Finally 1kg hydrogen peroxide (5wt%) is added in mixture slurry, is stirred evenly
Concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, are protected until material reaches design strength to get to fiber reinforcement
Warm concrete wall.
Embodiment 5
(1) 15kg polymethyl methacrylates lotion and 0.6kg 4,4- oxobenzenesulfonyl hydrazide are carried out after mixing
Spinning, obtains polymethylmethacrylate fibers, and spinning technique is：Supply voltage 30kV, spinning temperature are 25 DEG C, relative humidity
60%；Multi needle spinneret unit syringe needle spacing 25cm, spinneret unit syringe needle quantity are 60；Take 13kg polymethyl methacrylates
Fiber, 10kg 1,8- ethohexadiols and 3kg magnesia react 60min in 5kg polymethyl methacrylate lotions at 60 DEG C,
Polymer fiber is obtained, polymer fiber is then impregnated into 3h in the hydrochloric acid solution that pH is 5, wherein being replaced per 15min primary
Hydrochloric acid solution obtains compound porous fiber；
5kg waste olds grain is impregnated into 5h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 10kg maleic anhydrides, it is stirred to react 2h at 100 DEG C, obtains modified rubber；
(2) 30kg flyash, 20kg cement, 25kg fine sands, 6kg diatomite, 12kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 15kg float stones (1~5mm), 15kg polyethylene foams, 5kg sawdusts, the compound porous fibers of 5kg and modification
Rubber is uniformly mixed to obtain powders mixture under mechanical agitation；
(3) 2kg polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) are disperseed in water
It is added in above-mentioned powders mixture after uniformly, continues 60~150s of stirring and obtain mixed slurry；Finally by 1.5kg hydrogen peroxide
(5wt%) is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, are protected until material reaches design strength to get to fiber reinforcement
Warm concrete wall.
Comparative example 1
(1) 24kg polyethylene terephthalate lotion, 6kg 4,4- oxobenzenesulfonyl hydrazide are carried out after mixing
Spinning, obtains dacron fibre, and spinning technique is：Supply voltage 30kV, spinning temperature is 25 DEG C, relatively wet
Degree 60%；Multi needle spinneret unit syringe needle spacing 25cm, spinneret unit syringe needle quantity are 60；
4kg waste olds grain is impregnated into 4h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 10kg maleic anhydrides, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg polyethylene foams, 5kg dacron fibres and changes 10kg float stones (1~5mm)
Property rubber under mechanical agitation be uniformly mixed to obtain powders mixture；
(3) molding of concrete wall wallboard and maintaining process are the same as embodiment 1.
Comparative example 2
(1) 20kg ethylene glycol and 3kg zinc nitrates is taken to be placed in 12kg polyethylene terephthalate lotions, it is anti-at 80 DEG C
45min is answered, polymer fiber is obtained, polymer fiber is then impregnated into 2h in the hydrochloric acid solution that pH is 3, wherein per 15min
A hydrochloric acid solution is replaced, porous dacron fibre is obtained；
4kg waste olds grain is impregnated into 4h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 10kg maleic anhydrides, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg float stones (1~5mm), 10kg polyethylene foams, the porous dacron fibres of 5kg
Powders mixture is uniformly mixed to obtain under mechanical agitation with modified rubber；
(3) molding of concrete wall wallboard and maintaining process are the same as embodiment 1.
Comparative example 3
(1) 4kg waste olds grain is impregnated into 4h in the acid solution that pH is 6~6.5, obtains acidification rubber, will be acidified
Rubber and 10kg maleic anhydrides after mixing, are stirred to react 1h at 100 DEG C, obtain modified rubber in water；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg float stones (1~5mm), 10kg polyethylene foams and modified rubber mix under mechanical agitation
It is uniform to obtain powders mixture；
(3) molding of concrete wall wallboard and maintaining process are the same as embodiment 1.
Experimental example 1：The performance of concrete wall prepared in embodiment 1-5 and comparative example 1-3 is tested, is tested
The results are shown in Table 1.
The performance table of each concrete wall in table 1 embodiment 1-5 and comparative example 1-3
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In the skill of the present invention
In art conception range, technical scheme of the present invention can be carried out a variety of simple variants, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to
Protection scope of the present invention.
Claims (9)
1. a kind of fiber reinforcement thermal insulation concrete wall, which is characterized in that be made of the raw material of following parts by weight：Flyash 25
~45 parts by weight, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite, precipitated calcium carbonate 3~
15 parts by weight, 3~12 parts by weight of compound porous fiber, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, first
1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The compound porous fiber is made of following substance：10~30 parts by weight of first polymer lotion, second polymer lotion
18~56 parts by weight, 0.6~10 parts by weight of the second foaming agent, 0.5~3 parts by weight of metal oxide powder, chain extender 10~30
Parts by weight.
2. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that the compound porous fiber by
Following substance is made：20~24 parts by weight of first polymer lotion, 18~22 parts by weight of second polymer lotion, foaming agent 2~6
Parts by weight, 1~2 parts by weight of metal oxide powder, 20~24 parts by weight of chain extender.
3. fiber reinforcement thermal insulation concrete wall according to claim 2, which is characterized in that second foaming agent is selected from
4,4- oxobenzenesulfonyl hydrazide, azodicarbonamide, N, at least one of N '-dinitrosopentamethlyene tetramines.
4. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that the first polymer lotion
It is independently selected from polyvinylidene fluoride emulsion, polyethylene terephthalate lotion, polyarylate breast with second polymer lotion
Liquid, 6 lotion of nylon, polymethyl methacrylate lotion, Polyaniline emulsion, polyethylene glycol oxide lotion, gathers polyvinyl acetate emulsion
At least one of vinylpyrrolidone lotion.
5. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that the lightweight aggregate is selected from clay
At least one of haydite, float stone, polyethylene foams, castor-oil plant bar straw and sawdust.
6. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that first foaming agent is aluminium
At least one of powder, magnesium powder, zinc powder, hydrogen peroxide and rosin soap.
7. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that the water-reducing agent is selected from NF types
One kind in water-reducing agent, FDN types water-reducing agent, UNF-2 types water-reducing agent, AF types water-reducing agent, S types water-reducing agent and MF type water-reducing agents.
8. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that other auxiliary agents are selected from steady
At least one of infusion, hydrophober, water-retaining agent, early strength agent and retarder.
9. fiber reinforcement thermal insulation concrete wall according to claim 1, which is characterized in that the foam stabilizer is dodecane
At least one of base benzene sulfonic acid sodium salt, polyacrylamide, odium stearate；
The water-retaining agent is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl reinforcing fiber element ether；
The retarder is at least one of citric acid, tartaric acid, sodium gluconate.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109553375A (en) * | 2018-12-29 | 2019-04-02 | 上海练定混凝土制品有限公司 | A kind of retarded concrete and its preparation process |
| CN109665860A (en) * | 2019-03-02 | 2019-04-23 | 浙江越强新型建材有限公司 | A kind of preparation process of High-strength lightweight concrete |
| CN111533511A (en) * | 2020-05-08 | 2020-08-14 | 江门市新会区金裕新型墙体有限公司 | High-strength heat-preservation autoclaved aerated building block |
| CN111677153A (en) * | 2020-04-30 | 2020-09-18 | 吴江笨鸟墙面科技有限公司 | Construction method of heat-insulating concrete wall |
| CN112047684A (en) * | 2020-08-25 | 2020-12-08 | 佛山市广陆混凝土制品有限公司 | Corrosion-resistant anti-seepage concrete material and preparation method thereof |
| CN112661464A (en) * | 2021-01-22 | 2021-04-16 | 宁波海格拉新材料科技有限公司 | Liquid crystal polyarylester fiber reinforced concrete and preparation method thereof |
| CN113956013A (en) * | 2020-07-21 | 2022-01-21 | 上海轩辕展览服务有限公司 | Heat-insulating lightweight concrete material and preparation method thereof |
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2018
- 2018-05-02 CN CN201810407126.9A patent/CN108558296A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553375A (en) * | 2018-12-29 | 2019-04-02 | 上海练定混凝土制品有限公司 | A kind of retarded concrete and its preparation process |
| CN109665860A (en) * | 2019-03-02 | 2019-04-23 | 浙江越强新型建材有限公司 | A kind of preparation process of High-strength lightweight concrete |
| CN111677153A (en) * | 2020-04-30 | 2020-09-18 | 吴江笨鸟墙面科技有限公司 | Construction method of heat-insulating concrete wall |
| CN111533511A (en) * | 2020-05-08 | 2020-08-14 | 江门市新会区金裕新型墙体有限公司 | High-strength heat-preservation autoclaved aerated building block |
| CN113956013A (en) * | 2020-07-21 | 2022-01-21 | 上海轩辕展览服务有限公司 | Heat-insulating lightweight concrete material and preparation method thereof |
| CN112047684A (en) * | 2020-08-25 | 2020-12-08 | 佛山市广陆混凝土制品有限公司 | Corrosion-resistant anti-seepage concrete material and preparation method thereof |
| CN112661464A (en) * | 2021-01-22 | 2021-04-16 | 宁波海格拉新材料科技有限公司 | Liquid crystal polyarylester fiber reinforced concrete and preparation method thereof |
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