CN108675706A - A kind of Light-weight composite concrete plank - Google Patents
A kind of Light-weight composite concrete plank Download PDFInfo
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- CN108675706A CN108675706A CN201810407105.7A CN201810407105A CN108675706A CN 108675706 A CN108675706 A CN 108675706A CN 201810407105 A CN201810407105 A CN 201810407105A CN 108675706 A CN108675706 A CN 108675706A
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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
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or 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
- 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
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- 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)
Abstract
The present invention relates to concrete and its preparing technical fields, and in particular to a kind of Light-weight composite concrete plank, the Light-weight composite concrete plank are made of the raw material of following parts by weight：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, 3~8 parts by weight of waste old grain, 1~5 parts by weight of reinforcing fiber, 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 Light-weight composite concrete plank of the present invention 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 Light-weight composite concrete plank.
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, air entrained concrete plank is highly brittle, it is easy to be crushed in work progress transporting.Therefore, it prepares
Foamed concrete plate with high-strength light, waterproof crack resistence function is urgent needs.
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,
It has the characteristics that light-weight, intensity is high, disclosure satisfy that construction industry to the requirement of concrete plate performance indicator, has good application
Foreground.
To achieve the goals above, the present invention provides a kind of Light-weight composite concrete plank, by the original of following parts by weight
Material is made：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, waste old grain 3
~8 parts by weight, 1~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, other auxiliary agents 0
~5 parts by weight.
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 selected from NF types water-reducing agent, FDN types water-reducing agent, UNF-2 types water-reducing agent, AF types and subtracts
At least one of aqua, S types water-reducing agent and MF type water-reducing agents.
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 (9)
1. a kind of Light-weight composite concrete plank, which is characterized in that be 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, 3~15 weight of precipitated calcium carbonate
Measure part, 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.
2. Light-weight composite concrete plank according to claim 1, which is characterized in that by the raw material system of following parts by weight
At：It is 30~40 parts by weight of slag powders, 20~30 parts by weight of cement, 20~25 parts by weight of fine sand, 6~10 parts by weight of diatomite, light
5~12 parts by weight of matter calcium carbonate, 5~10 parts by weight of aluminium polychloride, 20~45 parts by weight of lightweight aggregate, 3~6 weight of waste old grain
Measure part, 2~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 weight of other auxiliary agents
Measure part.
3. Light-weight composite concrete plank according to claim 2, which is characterized in that by the raw material system of following parts by weight
At：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, 8 parts by weight of precipitated calcium carbonate,
6 parts by weight of aluminium polychloride, 30 parts by weight of lightweight aggregate, 4 parts by weight of waste old grain, 5 parts by weight of reinforcing fiber, 2 weight of foaming agent
Measure part, 1.2 parts by weight of water-reducing agent, 3 parts by weight of other auxiliary agents.
4. Light-weight composite concrete plank according to claim 1, which is characterized in that the lightweight aggregate is made pottery selected from clay
At least one of grain, float stone, polyethylene foams, castor-oil plant bar straw and sawdust；
The grain size of the lightweight aggregate is 1~5mm.
5. Light-weight composite concrete plank according to claim 1, which is characterized in that the reinforcing fiber is selected from polypropylene
At least one of fiber, poly fibre, glass fibre and plant fiber.
6. Light-weight composite concrete plank according to claim 1, which is characterized in that the foaming agent be aluminium powder, magnesium powder,
At least one of zinc powder, hydrogen peroxide and rosin soap.
7. Light-weight composite concrete plank according to claim 1, which is characterized in that the water-reducing agent is selected from NF type diminishings
At least one of 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. Light-weight composite concrete plank according to claim 1, which is characterized in that other auxiliary agents are selected from foam stabilizing
At least one of agent, hydrophober, water-retaining agent, early strength agent and retarder.
9. Light-weight composite concrete plank according to claim 1, which is characterized in that the foam stabilizer is detergent alkylate
At least one of sodium sulfonate, 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.
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| CN201810407105.7A CN108675706A (en) | 2018-05-02 | 2018-05-02 | A kind of Light-weight composite concrete plank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978052A (en) * | 2020-09-10 | 2020-11-24 | 中国建材检验认证集团股份有限公司 | Concrete with pumice waste residues as aggregate and preparation method thereof |
| CN113402218A (en) * | 2021-06-23 | 2021-09-17 | 浙江飞英电力器材有限公司 | Preparation method of high-ductility and high-strength concrete |
-
2018
- 2018-05-02 CN CN201810407105.7A patent/CN108675706A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978052A (en) * | 2020-09-10 | 2020-11-24 | 中国建材检验认证集团股份有限公司 | Concrete with pumice waste residues as aggregate and preparation method thereof |
| CN113402218A (en) * | 2021-06-23 | 2021-09-17 | 浙江飞英电力器材有限公司 | Preparation method of high-ductility and high-strength concrete |
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Application publication date: 20181019 |