CN108516742A - A kind of preparation method of Light-weight composite concrete plank - Google Patents
A kind of preparation method of Light-weight composite concrete plank Download PDFInfo
- Publication number
- CN108516742A CN108516742A CN201810407122.0A CN201810407122A CN108516742A CN 108516742 A CN108516742 A CN 108516742A CN 201810407122 A CN201810407122 A CN 201810407122A CN 108516742 A CN108516742 A CN 108516742A
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- light
- water
- preparation
- 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.)
- Withdrawn
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
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
The present invention relates to concrete and its preparing technical fields, and in particular to a kind of preparation method of Light-weight composite concrete plank, the preparation method of the Light-weight composite concrete plank include the following steps：25~45 parts by weight of slag powders, 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 aluminium polychloride, 15~48 parts by weight of lightweight aggregate, 1~5 parts by weight of reinforcing fiber and modified rubber are uniformly mixed to obtain mixture under mechanical agitation；Then water-reducing agent, auxiliary agent and foaming agent is added after mixing, carries out pressing mold to get to concrete plate sample.The Light-weight composite concrete plank that method through the invention is prepared has the characteristics that light-weight, intensity is high, good weatherability, disclosure satisfy that construction industry to the requirement of concrete plate performance indicator, has preferable application prospect.
Description
Technical field
The present invention relates to concrete and its preparing technical fields, and in particular to a kind of preparation of Light-weight composite concrete plank
Method.
Background technology
In recent years, as the driving of Building Energy Conservation Policy, energy-saving building technology and energy-saving material have rapid development.It is mixed
Concrete board material is the most commonly used construction material of construction industry, and with the development of economy with the progress of technology, people are to construction material
Requirement be also continuously improved, not only require concrete plate that there is high intensity, durable requirement, and concrete plate should also expire
Sufficient lightweight, environmentally friendly requirement.The most commonly used normal concrete plank in industry and civil buildings at present, although intensity (one
As be 20-30MPa) requirement of building structure can be substantially met, but it is heavier.However, current normal concrete plank
Fragile material is belonged to air entrained concrete plank, it is easy to be generated microcrack because of contraction, be even completely destroyed.In the market
The intensity of light concrete plate is very low (general ＜ 5MPa), cannot be satisfied the requirement of building structure, can only do non-bearing every
Wall or thermal insulation material.In addition, aerating coagulation wallboard is highly brittle, it is easy to transport and work progress in be crushed, and cannot wall again
Nailing on plate.Therefore, it is urgent needs to prepare the foamed concrete plate 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 Light-weight composite concrete plank is provided
Preparation method has the characteristics that light-weight, intensity is high, Neng Gouman by changing the Light-weight composite concrete plank that method is prepared
Sufficient construction industry has preferable application prospect to the requirement of concrete plate performance indicator.
To achieve the goals above, the present invention provides a kind of preparation method of Light-weight composite concrete plank, including following
Step：
(1) waste old grain in the acid solution that pH is 6~6.5 is impregnated into 3~5h, obtains acidification rubber, will be acidified
Rubber and maleic anhydride after mixing, are stirred to react 1~2h at 80~120 DEG C, obtain modified rubber in water；
(2) by 25~45 parts by weight of slag powders, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, diatomite 5~12
Parts by weight, 3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, enhancing are fine
It ties up 1~5 parts by weight and modified rubber and is uniformly mixed to obtain powders mixture under mechanical agitation；
(3) it is added after 0.5~1.5 parts by weight water-reducing agent, the other auxiliary agents of 0~5 parts by weight being uniformly dispersed in water above-mentioned
In powders mixture, continues 60~150s of stirring and obtain mixed slurry；1~3 parts by weight of blowing agent is finally added to mixing slurry
In body, concrete plate material precursor is stirred evenly to obtain；
(4) concrete plate material precursor pours into mold, and until reaching the 20~60% of mold volumes amount, will
Mold, which covers, to be tamping, and infusion pending, which generates bubble, makes mix expand, and is full of mold, is stood 1 hour, is mixed after 6~8 hours
I.e. collapsible die is solidified and reached after strength of mould stripping with object, is then conserved.
Through the above technical solutions, the present invention uses slag powders, cement, fine sand and composite diatomite as aggregate, improve
The interior porosity of concrete plate, significantly reduces the elasticity modulus of concrete plate, while reducing the accumulation of concrete plate
Density and mass density, have the characteristics that lighting, by being modified to waste old, can be introduced on the surface of rubber granule
Charged functional groups improve its binding force, to improve concrete plate by interacting between charge after being mixed with other raw materials
Intensity, by be added reinforcing fiber, the cracking resistance and intensity of concrete plate can be significantly improved, aluminium polychloride can
The intensity for improving concrete plate can be widely applied to building enclosed structure and horizontal weighing structure, and the raw material of the present invention
Component is mostly industrial waste, can reduce pollution of the trade waste to environment.
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 Light-weight composite concrete plank, is made of the raw material of following parts by weight：Slag powders 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 aluminium polychloride, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, reinforcing fiber
1~5 parts by weight, 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.
In order to further increase the intensity of the light concrete plate, under optimum condition, the Light-weight composite concrete
Plank is made of the raw material of following parts by weight：30~40 parts by weight of slag powders, 20~30 parts by weight of cement, fine sand 20~25
Parts by weight, 6~10 parts by weight of diatomite, 5~12 parts by weight of precipitated calcium carbonate, 5~10 parts by weight of aluminium polychloride, lightweight aggregate 20
~45 parts by weight, 3~6 parts by weight of waste old grain, 2~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, water-reducing agent 0.5
~1.5 parts by weight, 0~5 parts by weight of other auxiliary agents.It is furthermore preferred that the Light-weight composite concrete plank, by following parts by weight
Raw material be made：35 parts by weight of slag powders, 25 parts by weight of cement, 23 parts by weight of fine sand, 8 parts by weight of diatomite, precipitated calcium carbonate 8
Parts by weight, 6 parts by weight of aluminium polychloride, 30 parts by weight of lightweight aggregate, 3~5 parts by weight of waste old grain, 5 parts by weight of reinforcing fiber,
2 parts by weight of foaming agent, 1.2 parts by weight of water-reducing agent, 3 parts by weight of other auxiliary agents.
The matter of concrete plate can be reduced under conditions of not influencing concrete plate 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.
By the way that reinforcing fiber is added in the present invention, the cracking resistance and intensity of concrete plate, optimum condition can be improved
Under, the reinforcing fiber in polypropylene fibre, poly fibre, glass fibre and plant fiber at least one
Kind.
It can be in concrete plate internal performance stomata, to further decrease concrete plate 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 NF types or FDN types or UNF-2 types or AF types or S types or the efficient diminishing of MF types
Agent.
In order to advanced optimize the comprehensive performance and workability of light concrete plate, 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 Light-weight composite concrete plank, include the following steps：
(1) waste old grain in the acid solution that pH is 6~6.5 is impregnated into 3~5h, obtains acidification rubber, will be acidified
Rubber and maleic anhydride after mixing, are stirred to react 1~2h at 80~120 DEG C, obtain modified rubber in water；
(2) by 25~45 parts by weight of slag powders, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, diatomite 5~12
Parts by weight, 3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, enhancing are fine
It ties up 1~5 parts by weight and is uniformly mixed to obtain powders mixture under mechanical agitation；
(3) it is added after 0.5~1.5 parts by weight water-reducing agent, the other auxiliary agents of 0~5 parts by weight being uniformly dispersed in water above-mentioned
In powders mixture, continues 60~150s of stirring and obtain mixed slurry；1~3 parts by weight of blowing agent is finally added to mixing slurry
In body, concrete plate material precursor is stirred evenly to obtain；
(4) concrete plate material precursor pours into mold, and until reaching the 20~60% of mold volumes amount, will
Mold, which covers, to be tamping, and infusion pending, which generates bubble, makes mix expand, and is full of mold, is stood 1 hour, is mixed after 6~8 hours
I.e. collapsible die is solidified and reached after strength of mould stripping with object, is then conserved.
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 plate is cut into respectively
The building block of kind size or wallboard, then carry out steam curing or natural curing.
Embodiment 1
(1) 4 parts by weight waste old grains are impregnated into 4h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 10 parts by weight maleic anhydride in water after mixing, is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) by 35 parts by weight of slag powders, 25 parts by weight of cement, 23 parts by weight of fine sand, 8 parts by weight of diatomite, lightweight carbonic acid
8 parts by weight of calcium, 10 parts by weight of clay haydite (1~5mm), 10 parts by weight of float stone (1~5mm), are gathered at 6 parts by weight of aluminium polychloride
10 parts by weight of vinylic foam, 5 parts by weight of polypropylene fibre and modified rubber are uniformly mixed to obtain powder under mechanical agitation
Expect mixture；
(3) by polycarboxylate water-reducer (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) 1.2 parts by weight, 1 weight
Measure part neopelex, 0.5 parts by weight of calcium stearate, 0.5 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 0.5 weight
Amount part sodium aluminate and 0.5 parts by weight sodium gluconate are added after being uniformly dispersed in water in above-mentioned powders mixture, continue to stir
60~150s obtains mixed slurry；Finally 2 parts by weight hydrogen peroxide (5wt%) are added in mixture slurry, stir evenly mixed
Concrete board material material precursor；
(4) concrete plate material precursor pours into mold, and until reaching the 50% of mold volumes amount, by mold
It covers and is tamping, wait for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reaches after strength of mould stripping, then natural curing 28 days, obtain Light-weight composite concrete plank.
Embodiment 2
(1) 3 parts by weight waste old grains will be impregnated 3h in the acid solution that pH is 6~6.5, obtain acidification rubber,
In water after mixing by acidification rubber and 9 parts by weight maleic anhydride, it is stirred to react 1h at 120 DEG C, obtains modified rubber；
(2) 25 parts by weight of slag powders, 35 parts by weight of cement, 15 parts by weight of fine sand, 12 parts by weight of diatomite, polyethylene are steeped
5 parts by weight of foam plastics (1~5mm), 10 parts by weight of castor-oil plant bar straw, 12 parts by weight of aluminium polychloride, poly fibre 1
Parts by weight and modified rubber are uniformly mixed to obtain powders mixture under mechanical agitation；
(3) by 1.5 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1
Parts by weight neopelex, 1 parts by weight of calcium stearate, 1 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 1 parts by weight
Sodium aluminate and 1 parts by weight sodium gluconate are added after being uniformly dispersed in water in above-mentioned powders mixture, continue stirring 60~
150s obtains mixed slurry；Finally 1 parts by weight hydrogen peroxide (5wt%) is added in mixture slurry, stirs evenly to obtain concrete
Sheet material presoma；
(4) concrete plate material precursor pours into mold, and until reaching the 50% of mold volumes amount, by mold
It covers and is tamping, wait for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reaches after strength of mould stripping, then natural curing 28 days, obtain Light-weight composite concrete plank.
Embodiment 3
(1) 6 parts by weight waste old grains are impregnated into 5h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 15 parts by weight maleic anhydride in water after mixing, is stirred to react 2h at 80 DEG C, obtains modified rubber；
(2) by 45 parts by weight of slag powders, 15 parts by weight of cement, 30 parts by weight of fine sand, 5 parts by weight of diatomite, lightweight carbonic acid
48 parts by weight of calcium, 10 parts by weight of clay haydite (1~5mm), 18 parts by weight of float stone (1~5mm), are gathered at 3 parts by weight of aluminium polychloride
20 parts by weight of vinylic foam (1~5mm), 5 parts by weight of poly fibre and modified rubber are in mechanical agitation item
Powders mixture is uniformly mixed to obtain under part；
(3) by 0.5 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1
Parts by weight neopelex, 0.5 parts by weight of calcium stearate, 1 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 0.5 weight
Amount part sodium aluminate and 1 parts by weight sodium gluconate are added after being uniformly dispersed in water in above-mentioned powders mixture, continue stirring 60
~150s obtains mixed slurry；Finally 3 parts by weight hydrogen peroxide (5wt%) are added in mixture slurry, stir evenly to obtain coagulation
Native sheet material presoma；
(4) concrete plate material precursor pours into mold, and until reaching the 50% of mold volumes amount, by mold
It covers and is tamping, wait for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reaches after strength of mould stripping, then natural curing 28 days, obtain Light-weight composite concrete plank.
Embodiment 4
(1) 8 parts by weight waste old grains are impregnated into 3h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 20 parts by weight maleic anhydride in water after mixing, is stirred to react 1.5h at 120 DEG C, obtains being modified rubber
Glue；
(2) by 40 parts by weight of slag powders, 30 parts by weight of cement, 20 parts by weight of fine sand, 10 parts by weight of diatomite, lightweight carbonic acid
5 parts by weight of calcium, 10 parts by weight of aluminium polychloride, 10 parts by weight of float stone (1~5mm), 10 parts by weight of polyethylene foams, glass
2 parts by weight of fiber and modified rubber are uniformly mixed to obtain powders mixture under mechanical agitation；
(3) by 0.8 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1
Parts by weight neopelex, 1 parts by weight sodium aluminate and 1 parts by weight sodium gluconate are added after being uniformly dispersed in water
It states in powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally 1 parts by weight hydrogen peroxide (5wt%) is added to
In mixture slurry, concrete plate material precursor is stirred evenly to obtain；
(4) concrete plate material precursor pours into mold, and until reaching the 50% of mold volumes amount, by mold
It covers and is tamping, wait for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reaches after strength of mould stripping, then natural curing 28 days, obtain Light-weight composite concrete plank.
Embodiment 5
(1) 5 parts by weight waste old grains are impregnated into 5h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 10 parts by weight maleic anhydride in water after mixing, is stirred to react 2h at 100 DEG C, obtains modified rubber；
(2) by 30 parts by weight of slag powders, 20 parts by weight of cement, 25 parts by weight of fine sand, 6 parts by weight of diatomite, lightweight carbonic acid
12 parts by weight of calcium, 10 parts by weight of clay haydite (1~5mm), 15 parts by weight of float stone (1~5mm), are gathered at 5 parts by weight of aluminium polychloride
15 parts by weight of vinylic foam, 5 parts by weight of sawdust, 5 parts by weight of glass fibre and modified rubber mix under mechanical agitation
Close uniform powders mixture；
(3) by 2 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s) in water
In be uniformly dispersed after be added in above-mentioned powders mixture, continue 60~150s of stirring and obtain mixed slurry；Finally by 1.5 parts by weight
Hydrogen peroxide (5wt%) is added in mixture slurry, stirs evenly to obtain concrete plate material precursor；
(4) concrete plate material precursor pours into mold, and until reaching the 50% of mold volumes amount, by mold
It covers and is tamping, wait for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reaches after strength of mould stripping, then natural curing 28 days, obtain Light-weight composite concrete plank.
Comparative example 1
(1) by 35 parts by weight of slag powders, 25 parts by weight of cement, 23 parts by weight of fine sand, 8 parts by weight of diatomite, lightweight carbonic acid
8 parts by weight of calcium, 10 parts by weight of clay haydite (1~5mm), 10 parts by weight of float stone (1~5mm), are gathered at 6 parts by weight of aluminium polychloride
10 parts by weight of vinylic foam, 5 parts by weight of polypropylene fibre and 4 parts by weight of rubber are uniformly mixed under mechanical agitation
Mixture；
(2) by polycarboxylate water-reducer (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) 1.2 parts by weight, 1 weight
Measure part neopelex, 0.5 parts by weight of calcium stearate, 0.5 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 0.5 weight
Amount part sodium aluminate and 0.5 parts by weight sodium gluconate are added after being uniformly dispersed in water in above-mentioned powders mixture, continue to stir
60~150s obtains mixed slurry；Finally 2 parts by weight hydrogen peroxide (5wt%) are added in mixture slurry, stir evenly mixed
Concrete board material material precursor；
(3) molding of concrete plate wallboard and maintaining process are the same as embodiment 1.
Experimental example 1：The performance of concrete plate prepared by embodiment 1-5 and comparative example 1 is tested, experimental result
As shown in table 1.
The performance table of each concrete plate in 1 embodiment 1-5 of table and comparative example 1
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 (8)
1. a kind of preparation method of Light-weight composite concrete plank, which is characterized in that include the following steps：
(1) waste old grain in the acid solution that pH is 6~6.5 is impregnated into 3~5h, obtains acidification rubber, rubber will be acidified
In water after mixing with maleic anhydride, it is stirred to react 1~2h at 80~120 DEG C, obtains modified rubber；
(2) by 25~45 parts by weight of slag powders, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 weight of diatomite
Part, 3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, reinforcing fiber 1~
5 parts by weight and modified rubber are uniformly mixed to obtain powders mixture under mechanical agitation；
(3) above-mentioned powder is added after 0.5~1.5 parts by weight water-reducing agent, the other auxiliary agents of 0~5 parts by weight being uniformly dispersed in water
In mixture, continues 60~150s of stirring and obtain mixed slurry；Finally 1~3 parts by weight of blowing agent is added in mixture slurry,
Stir evenly to obtain concrete plate material precursor；
(4) concrete plate material precursor pours into mold, and until reaching the 20~60% of mold volumes amount, by mold
It covers and is tamping, infusion pending, which generates bubble, makes mix expand, and is full of mold, stands 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reached after strength of mould stripping, is then conserved.
2. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that the rubber granule
Grain size is 1~5mm.
3. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that the lightweight aggregate choosing
From at least one of clay haydite, float stone, polyethylene foams, castor-oil plant bar straw and sawdust；
The grain size of the lightweight aggregate is 1~5mm.
4. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that the reinforcing fiber
Selected from least one of polypropylene fibre, poly fibre, glass fibre and plant fiber.
5. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that the foaming agent is
At least one of aluminium powder, magnesium powder, zinc powder, hydrogen peroxide and rosin soap.
6. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that the water-reducing agent choosing
Extremely from NF types 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
Few one kind.
7. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that other auxiliary agents
Selected from least one of foam stabilizer, hydrophober, water-retaining agent, early strength agent and retarder.
8. the preparation method of Light-weight composite concrete plank according to claim 1, which is characterized in that the foam stabilizer is
At least one of neopelex, polyacrylamide, odium stearate；
The hydrophober is at least one of organosilicon moisture repellent, silylation hydrophober, calcium stearate；
The water-retaining agent is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl reinforcing fiber element ether；
The early strength agent is at least one of sodium aluminate, lithium carbonate, anhydrous sodium sulfate；
The retarder is at least one of citric acid, tartaric acid, sodium gluconate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407122.0A CN108516742A (en) | 2018-05-02 | 2018-05-02 | A kind of preparation method of Light-weight composite concrete plank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407122.0A CN108516742A (en) | 2018-05-02 | 2018-05-02 | A kind of preparation method of Light-weight composite concrete plank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108516742A true CN108516742A (en) | 2018-09-11 |
Family
ID=63429754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810407122.0A Withdrawn CN108516742A (en) | 2018-05-02 | 2018-05-02 | A kind of preparation method of Light-weight composite concrete plank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108516742A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689727A (en) * | 2020-04-30 | 2020-09-22 | 吴江笨鸟墙面科技有限公司 | Preparation method of foam concrete thermal insulation brick |
| CN113292268A (en) * | 2021-06-24 | 2021-08-24 | 河南恒道中原轨道交通科技有限公司 | Additive for lightweight concrete plate, concrete and preparation method of lightweight concrete plate |
-
2018
- 2018-05-02 CN CN201810407122.0A patent/CN108516742A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689727A (en) * | 2020-04-30 | 2020-09-22 | 吴江笨鸟墙面科技有限公司 | Preparation method of foam concrete thermal insulation brick |
| CN113292268A (en) * | 2021-06-24 | 2021-08-24 | 河南恒道中原轨道交通科技有限公司 | Additive for lightweight concrete plate, concrete and preparation method of lightweight concrete plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108558295A (en) | A kind of light-high-strength concrete | |
| CN108503285A (en) | A kind of preparation method of light-high-strength concrete | |
| CN103011896B (en) | Foam concrete | |
| CN102505799B (en) | Light energy-saving and heat-insulating composite wallboard and preparation method thereof | |
| CN105541384B (en) | A kind of ultralight foam concrete and preparation method thereof | |
| CN108424167A (en) | A kind of preparation method of light-weight foam composite concrete wallboard | |
| CN113149530B (en) | Red mud modified foam light soil and preparation method and application thereof | |
| CN108529940A (en) | A kind of foamed concrete thermal insulation board | |
| CN101306934A (en) | Haydite aerated concrete block and method for manufacturing same | |
| CN111807807A (en) | Non-autoclaved lightweight heat-insulating particle aerated concrete block and preparation method thereof | |
| CN103664073A (en) | Autoclaved aerated concrete block prepared by use of yellow river sands and preparation method thereof | |
| CN108484211A (en) | A kind of preparation method of foamed concrete thermal insulation board | |
| CN108558296A (en) | A kind of fiber reinforcement thermal insulation concrete wall | |
| CN105272001B (en) | A kind of haydite concrete and preparation method thereof | |
| CN108609927A (en) | Light thermal-insulation composite foam concrete | |
| CN107793102A (en) | A kind of granules of polystyrene heat preservation plate material and its preparation technology | |
| CN108675827A (en) | The preparation method of light thermal-insulation composite foam concrete | |
| CN113831074A (en) | Light sound-insulation terrace slurry containing polyurethane particles, preparation method and light sound-insulation terrace | |
| CN101508539B (en) | Polymer glue powder and method of use thereof | |
| CN106045559A (en) | Aerated concrete slab preparation method | |
| CN108640573A (en) | A kind of preparation method of fiber reinforcement thermal insulation concrete wall | |
| CN108675691A (en) | A kind of light-weight foam composite concrete wallboard | |
| CN108516742A (en) | A kind of preparation method of Light-weight composite concrete plank | |
| CN108640583A (en) | A kind of air entrained concrete straw building block and preparation method thereof | |
| CN108675706A (en) | A kind of Light-weight composite concrete plank |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180911 |