CN108147753A - A kind of regeneration concrete, assembled combined wall board and preparation method thereof - Google Patents
A kind of regeneration concrete, assembled combined wall board and preparation method thereof Download PDFInfo
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- CN108147753A CN108147753A CN201810140404.9A CN201810140404A CN108147753A CN 108147753 A CN108147753 A CN 108147753A CN 201810140404 A CN201810140404 A CN 201810140404A CN 108147753 A CN108147753 A CN 108147753A
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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
- C04B28/04—Portland cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
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- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The present invention provides a kind of regeneration concretes, assembled combined wall board and preparation method thereof.A kind of regeneration concrete is mainly made of following material：By weight, 30~50 parts of 70~90 parts of cement, 3~6 parts of flyash, 10~15 parts of slag, 200~250 parts of building waste, 0.6~1 part of water-reducing agent, 0.08~0.12 part of antifoaming agent, 0.06~0.1 part of water-retaining agent, 0.2~0.4 part of retarder and water.The compression strength of the regeneration concrete of the present invention is improved compared to existing powder concrete, and the performances such as density, thermal conductivity factor can at least reach the level equal with existing regeneration concrete, can equally mitigate the dead weight of wallboard, show colourful decorative effect.
Description
Technical field
The present invention relates to building materials technology field, more particularly, to a kind of regeneration concrete, assembled combined wall board and its system
Preparation Method.
Background technology
At present, architectural energy consumption is arranged side by side with industrial consumption energy, traffic energy consumption, and become AND ENERGY RESOURCES CONSUMPTION IN CHINA three " are consumed energy big greatly
Family ", the energy consumption of building accounts for about the 30% of whole society's total energy consumption (including construction energy consumption, life energy consumption, heating air conditioning etc.), wherein most
Important is heating and air-conditioning, account for 20%.Therefore, building wall Construction technology of outer thermal insulation just comes into being, however in recent years due to
Wall thermal insulation material poor flame retardant properties and the fire incident that causes is continuous, cause heavy losses to the lives and properties of the country and people,
So selection one kind can meet power conservation requirement and fire-retardant wall thermal insulation material and just be particularly important.
Prefabricated assembled concrete structure is the main body knot being assembled by concrete component by reliable connection mode
Structure, including assembling concrete structure, assembled monolithic concrete structure etc. entirely, all or part of structural elements is pre- in factory
System, in-site installation, as a kind of structure type for meeting industrialized production, have speed of application is fast, labor intensity is low,
The advantages such as noise pollution and the few and easy to control the quality system of wet construction.The popularization of prefabricated assembled concrete structure will largely drop
The energy consumption that low architectural process generates, and the processing of the insulation of building enclosure has great meaning to the reduction of constructing operation energy consumption.
" sandwich " heat-insulating integral wallboard can be largely used in assembly concrete builds progradation." sandwich " sandwich type wall panel by
Internal lobe wallboard, thermal insulation board and leaf wallboard composition.Inside, by the insulating layer of energy conservation standard design respective thickness between wallboard, and lead to
It crosses dedicated connector and is connected to interior, leaf wall.
Regeneration concrete refers to discarded concrete block after broken, cleaning, classification, is compounded by a certain percentage with grade
It closes, partly or entirely replaces the natural aggregates such as sandstone (mainly coarse aggregate), add cement, water etc. and match the new coagulation formed
Soil.It is of low cost since industrial goods or rubbish are discarded in regeneration concrete recoverable part, therefore be considered as to make assembling
One of optimal selection of formula combined wall board, however the compression strength of existing regeneration concrete is insufficient, limits its scope of application.
Such as the intensity rank of regeneration concrete is only capable of reaching C35 used in patent application CN103541462A.
In view of this, it is special to propose the present invention.
Invention content
The first object of the present invention is to provide a kind of regeneration concrete, and the compression strength of the regeneration concrete is compared to existing
Powder concrete improve, and the performances such as density, thermal conductivity factor can at least reach the level equal with existing regeneration concrete, together
Sample can mitigate the dead weight of wallboard, show colourful decorative effect.
The second object of the present invention is to provide the assembled combined wall board made of above-mentioned regeneration concrete, the assembled
Combined wall board has at low cost, ultralight ultra-thin, the high-efficiency insulated, good characteristics such as bearing capacity is big.
The third object of the present invention is to provide the preparation method of above-mentioned assembled combined wall board, preparation method flow letter
It is single, it is low to technology requirement, it is more easy to industrialized production.
In order to achieve the goal above, the present invention provides following technical schemes：
A kind of regeneration concrete is mainly made of following material：
By weight, 70~90 parts of cement, 3~6 parts of flyash, 10~15 parts of slag, 200~250 parts of building waste, subtract
0.6~1 part of aqua, 0.08~0.12 part of antifoaming agent, 0.06~0.1 part of water-retaining agent, 0.2~0.4 part of retarder and water 30~50
Part.
Compared with prior art, Compressive Strength of Recycled Concrete of the invention improves, and compression strength is up to 46.6MPa within 28 days
More than, and density is not improved, is maintained at 1980kg/cm3Below.
The formula of more than regeneration concrete can also be further improved, specific as follows.
Preferably, the cement is Portland cement, and strength grade is mixed for one or both of 42.5 or 42.5R
It closes；
Preferably, the flyash grade is one or both of I grades or II grades mixing；
Preferably, the slag grade is one or both of S95 grades or S105 grades mixing；
Preferably, the building waste be waste concrete or one kind or mixture in useless brick, grain size≤20mm；
Preferably, the water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid；
Preferably, the antifoaming agent is the mixing of one or both of silicone oil or ethers antifoaming agent；
Preferably, the water-retaining agent is mixed for one or both of hydroxypropyl methyl cellulose ether or methyl cellulose ether
It closes；
Preferably, the retarder is one or more of sodium gluconate, tartaric acid, boric acid mixture.
The all of above regeneration concrete of the present invention can be used for any part of arbitrary building, as long as its performance meets in advance
If it is required that.The present invention now enumerates the decoration protective layer of one of purposes of regeneration concrete-as assembled combined wall board,
The concrete structure of the assembled combined wall board is as follows：
It is exhausted that the assembled combined wall board includes the first decoration protective layer, enhancement layer, the second decoration protective layer, vacuum successively
Hot plate layer and structure sheaf；
The first decoration protective layer and the second decoration protective layer are made of the regeneration concrete.
The combined wall board also has the advantage that in addition to the advantages of regeneration concrete is utilized：
1st, this five layers protective layer, enhancement layer, the second decoration protective layer, vacuum heat-insulating plate layer and structure sheaf knot are decorated by first
Structure is integrated, and five layer materials are maximized favourable factors and minimized unfavourable ones each other, reaches the feature sets such as frivolous, high heat preservation, fire prevention, high intensity and high thermal technology's property
Integral effect.
2nd, enhancement layer is inserted in protective layer is decorated, enhancement layer has intensity height and frivolous characteristic, therefore the present invention
Increase the bearing of wallboard, and also avoid blocked up decorative layer and easily open without decorating the thickness of protective layer by increase
Phenomena such as splitting, seeping water.In addition, enhancement layer is also effectively blocked from extraneous unexpected sharp thorn power, so as to avoid thorn power to true
The damage of empty heat-insulating shield.
3rd, there is fire prevention, low thermal conductivity, nonhazardous as insulating layer using vacuum heat-insulating plate.Specifically, very
Empty heat-insulating shield is a kind of novel energy-conserving heat-insulating material, on the one hand using vacuum insulation principle, can effectively eliminate convection effect；It is another
Aspect by the optimum choice to core material, heat transfer is controlled in reasonable level, and can effectively reduce heat radiation.Vacuum insulation
Plate reaches heat preservation, energy-efficient insulation effect and mesh ideally due to combining two methods of vacuum insulation and micropore thermal insulation
's.On the other hand, under identical heat-insulating property, first than other thermal insulation materials, the thickness of insulating layer of the present invention can at least be saved
60%.
Each layer in more than combined wall board preferably uses following material.
Preferably, the enhancement layer is high strength fibre grid cloth or steel fabric sheet.
High strength fibre grid of the present invention is furnished with the materials such as alkali-proof glass fiber mesh, basalt fibre grid cloth
Material.
Preferably, the structure sheaf is reinforced concrete floor.
Preferably, the vacuum heat-insulating plate layer is spliced by multiple vacuum heat-insulating plate fissure of displacement.
Fissure of displacement paving can avoid the formation of heat bridge, lead to problems such as easily to seep water, shorten building service life.
In addition, the insulating layer of the present invention is spliced by multiple small vacuum heat-insulating plates, it can be to avoid big vacuum insulation
Plate needs to cut the problem of heat insulation effect is caused to reduce.
Preferably, the fissure of displacement distance of the fissure of displacement splicing is in more than 150mm.
Sufficiently long fissure of displacement distance could effectively avoid heat bridge problem.
Preferably, the width in each gap is in below 10mm during the fissure of displacement splices.
Heat insulation effect rapid drawdown when gap is wide, therefore, it is suggested that gap width is no more than 10mm.
Preferably, connector, connector connection first decoration are equipped in the vacuum heat-insulating plate layer in gap
Protective layer, the enhancement layer, the second decoration protective layer and the structure sheaf.
Connector links together each layer of wallboard, increases the firmness of wallboard, while increases its bearing capacity.
Preferably, the gap filling between the vacuum heat-insulating plate has polyester form or thermal insulation mortar.
The thermal conductivity factor of polyester form or thermal insulation mortar is low, and heat insulation effect is good, other heat insulation effects can also be used certainly more
Good material.
Preferably, it is described first decoration protective layer and second decoration protective layer thickness be respectively 25~40mm, 25~
40mm, the vacuum heat-insulating plate layer thickness are 10~20mm, and the thickness of the structure sheaf is 160~220mm.
If each layer uses above-mentioned thickness in wallboard, the thermal property and load-bearing property of wallboard obtain preferable balance, i.e.,
The wallboard can be used as load bearing wall and good heat insulating ability.
Preferably, it is bonded between the second decoration protective layer and the vacuum heat-insulating plate layer by boundary mortar layer, institute
It states and is bonded between vacuum heat-insulating plate layer and the structure sheaf by boundary mortar layer.
Boundary mortar has stronger cohesive force, and on the two sides of vacuum heat-insulating plate layer, spraying boundary mortar can be effectively ensured
The adhesion strength of vacuum heat-insulating plate and decoration protective layer and structure sheaf.
Preferably, for the strength grade of the reinforced concrete floor in more than C30, density is preferably 1500~1700kg/m3。
The armored concrete for meeting the rank has good bearing, the load for decorating protective layer can be transmitted to main body
In structure, and it is relatively low compared to traditional concrete density, and weight can at least mitigate 30%, have the advantages that lightweight.
Specifically, following formula can be used：
Preferably, the reinforced concrete floor is mainly made of following material：By weight, 50~60 parts of cement, fine coal
3~10 parts of ash, 10~20 parts of slag, 60~80 parts of slag, 50~60 parts of haydite, 0.05~0.15 part of water-retaining agent, water-reducing agent 0.1
~0.2 part, 20~25 parts of water；
Preferably, the reinforced concrete floor is mainly made of following material：By weight, 50~55 parts of cement, fine coal
5~10 parts of ash, 10~15 parts of slag, 70~80 parts of slag, 50~55 parts of haydite, 0.1~0.15 part of water-retaining agent, water-reducing agent 0.1
~0.15 part, 22~25 parts of water；
Preferably, the cement is Portland cement, and strength grade is mixed for one or both of 42.5 or 42.5R
It closes；
Preferably, the flyash grade is one or both of I grades or II grades mixing；
Preferably, the slag grade is one or both of S95 grades or S105 grades mixing；
Preferably, the fineness modulus of the slag is 3.0~3.3, and bulk density is 1020~1080kg/m3；
Preferably, the haydite is lytag, it is preferable that the grain size of the haydite is 5~15mm, and bulk density is
840~870kg/m3, cylindrical compress strength >=5.0MPa.
Preferably, the water-reducing agent is one kind of polycarboxylate water-reducer, naphthalene water reducer and melamine system water reducer.
Preferably, the water-retaining agent is hydroxypropyl methyl cellulose.
Following preparation method can be used in above-mentioned all assembled combined wall boards of the present invention：
Step A：In spraying by the mold of releasing agent, pouring one layer of regeneration concrete, then enhancing described in paving
Then layer sprays another layer of regeneration concrete in the top of enhancement layer, form the second decoration protective layer；
Step B：Before the regeneration concrete initial set of the described second decoration protective layer, the fissure of displacement is laid with multiple vacuum above
Heat-insulating shield is paved, blind, forms insulating layer；
Step C：The pouring reinforcement concrete above the insulating layer forms structure sheaf.
Above method first makes decoration protective layer, then again with the final paving of the sequence being layering to structure sheaf, the system
Standby flow does not conflict with reserving the link of " hanging ring, built-in fitting, pipeline, electrical box and preformed hole " in wallboard, and production efficiency is high, and
And interference between layers is small, product qualification rate higher, panel structure is more stable.
If not considering factors above, the sequence opposite with the above method can also be used and prepare wallboard.
Connector is laid in the gap generated in the multiple vacuum heat-insulating plates of the laying；
Preferably, pre-buried hanging ring, built-in fitting, pipeline, electrical box and preformed hole between the insulating layer and the structure sheaf.
In addition, some pretreatment works can also be done before step A, such as platform is cleared up, build side mould, reserve door and window
Hole.It is shaken when spraying regeneration concrete in spraying, to ensure that thickness is uniform.
To be laid with vacuum heat-insulating plate before regeneration concrete initial set, then 15~20min of placement is needed.
Anchorage length of the connector in unilateral wallboard not be preferably less than 15mm, door-window opening periphery fix anti-corrosion woodbox and
Vacuum heat-insulating plate carries out bridge cut-off processing；Cushion block is set, lifts steel reinforcement cage, pre-buried hanging ring, built-in fitting, pipeline, electrical box, preformed hole
Deng.
After pouring structure layer, vibrate, catch up with light, natural curing or steam curing, polishing, smoothing, demoulding, lifting, code are also needed
Pile.
To sum up, compared with prior art, invention achieves following technique effects：
(1) regeneration concrete of the invention, compression strength improve, suitable for making shear wall, and remain to keep relatively low
Density does not increase the dead weight of wall；Decorative effect can also be enriched by adding in the inorganic pigment of differing texture and color；
(2) wallboard of the invention can integrate characteristics, the especially load-bearing properties such as fire prevention, heat preservation, frivolous and load-bearing and dash forward
Go out, more preferably, the scope of application is wider for comprehensive performance；Phenomena such as avoiding traditional sandwich assembled wallboard easy to crack, infiltration, heat bridge；
(3) wallboard preparation method flow of the invention is simple, and production efficiency is high.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of assembled combined wall board that the embodiment of the present invention 1 provides.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with the drawings and specific embodiments, but
It is it will be understood to those of skill in the art that following described embodiment is part of the embodiment of the present invention rather than whole
Embodiment is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.Based on the embodiments of the present invention, ability
Domain those of ordinary skill all other embodiments obtained without making creative work, belong to guarantor of the present invention
The range of shield.The person that is not specified actual conditions in embodiment, the condition suggested according to normal condition or manufacturer carry out.Agents useful for same
Or production firm person is not specified in instrument, is the conventional products that can be obtained by commercially available purchase.
Embodiment 1
Make assembled combined wall board
(1) platform is cleared up, builds side mould, reserves door-window opening, sprays releasing agent.
(2) even application 25mm thickness regeneration concrete, paving enhancement layer；The formula of regeneration concrete is：70 grams of cement, powder
6 grams of coal ash, 10 grams of slag, 250 grams of building waste, 0.6 gram of water-reducing agent, 0.12 gram of antifoaming agent, 0.06 gram of water-retaining agent, retarder
0.4 gram and 30 grams of water, cement are Portland cement, and strength grade 42.5, flyash grade is I grades, and slag grade is
S95 grades, building waste is waste concrete, grain size≤20mm, and water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid, and antifoaming agent is silicone oil, is protected
Aqua is hydroxypropyl methyl cellulose ether, and retarder is sodium gluconate.Enhancement layer uses alkali-proof glass fiber mesh.
(3) and then on enhancement layer 40mm thickness regeneration concrete (identical with the formula of second step) is sprayed again, will be decorated
Protective layer vibrations are coated with the vacuum heat-insulating plates of 0.5mm thickness interfacial agents to that after uniform thickness, should place two sides immediately, and (thickness is
10mm).Standing time should be controlled in the range of 15~20min, ensure that regeneration concrete is not up to pre-hardening state.
(4) during vacuum heat-insulating plate paving, the fissure of displacement is answered between plate and plate, the Local Minimum fissure of displacement is no less than 150mm, at external corner
Vacuum heat-insulating plate answers interlaced arrangement or uses special matching board, and plate stitch is wide no more than 10mm.
(5) after placing vacuum heat-insulating plate, the gap between thermal insulation board is filled out using polyurethane foam or heat preservation regeneration concrete
Being filled with prevents from oozing under Reinforced Concrete Torsional, and built-in connection, and anchorage length of the connector in unilateral wallboard is not preferably less than
20mm, anti-corrosion woodbox is fixed on door-window opening periphery and vacuum heat-insulating plate carries out bridge cut-off processing.
(6) cushion block is set, lifts steel reinforcement cage, pre-buried hanging ring, built-in fitting, pipeline, electrical box, preformed hole etc..
(7) haydite concrete structure sheaf is poured, thickness is not less than 160mm (according to JGJ3-2010《Skyscraper concrete
Structure technology regulation》, the section thickness of shear wall should meet the following requirements：I and II shear wall：Position is strengthened in bottom should not be small
In 200mm, other positions are no less than 160mm；Linear type independence shear wall bottom strengthens position and is no less than 220mm, other
Position is no less than 180mm), it vibrates, catch up with light；The formula of haydite concrete used is：50 grams of cement, 10 grams of flyash, ore deposit
10 grams of slag, 80 grams of slag, 50 grams of haydite, 0.15 gram of water-retaining agent, 0.1 gram of water-reducing agent, 25 grams of water；Cement is normal silicate water
Mud, strength grade are that 42.5 flyash grades are I grades；Slag grade is S95 grades；The fineness modulus of slag is 3.0~3.3, heap
Product density is 1020~1080kg/m3；Haydite is lytag, and the grain size of haydite is 5~15mm, bulk density for 840~
870kg/m3, cylindrical compress strength >=5.0MPa；Water-retaining agent is hydroxypropyl methyl cellulose, and water-reducing agent is polycarboxylate water-reducer.
(8) natural curing or steam curing, polishing, smoothing, demoulding, lifting, stacking.
The structure for the wallboard that the embodiment makes as shown in Figure 1, consistent with the above method, including be bonded successively first
Layer decoration protective layer 1 (being completed by second step), enhancement layer 2, second layer decoration protective layer 3 (walked and completed by third), vacuum insulation
Plate layer 4 and structure sheaf 7；Setting connector 6 in the joint filling 5 of vacuum heat-insulating plate layer.
Embodiment 2
Difference lies in different, the used regeneration coagulations of the regeneration concrete formula used in decoration protective layer from embodiment 1
Soil formula be：
90 grams of cement, 3 grams of flyash, 15 grams of slag, 200 grams of building waste, 1 gram of water-reducing agent, 0.08 gram of antifoaming agent, water conservation
50 grams of 0.1 gram of agent, 0.2 gram of retarder and water, cement are Portland cement, and strength grade is one kind or two in 42.5R
Person mixes, and flyash grade is II grades, and slag grade is S105 grades, and building waste is useless brick, and grain size≤20mm, water-reducing agent is poly-
Carboxylic acid high efficiency water reducing agent, antifoaming agent are ethers antifoaming agent, and water-retaining agent is methyl cellulose ether, and retarder is boric acid.
Other steps and the structure of wallboard are the same as embodiment 1.
Embodiment 3
From embodiment 1 difference lies in the formula of the haydite armored concrete used in structure sheaf is different, it is：
60 grams of cement, 3 grams of flyash, 20 grams of slag, 60 grams of slag, 60 grams of haydite, 0.05 gram of water-retaining agent, water-reducing agent 0.2
Gram, 20 grams of water；Cement is Portland cement, strength grade 42.5R；Flyash grade is II grades；Slag grade is
S105 grades；The fineness modulus of slag is 3.0~3.3, and bulk density is 1020~1080kg/m3；Haydite is lytag, pottery
The grain size of grain is 5~15mm, and bulk density is 840~870kg/m3, cylindrical compress strength >=5.0MPa；Water-retaining agent is hydroxypropyl methyl
Cellulose, water-reducing agent are naphthalene water reducer.
Other steps and the structure of wallboard are the same as embodiment 1.
Embodiment 4
From embodiment 1 difference lies in the thickness of each layer is different, specially：
It is respectively 30mm, 30mm that first layer, which decorates protective layer and the thickness of second layer decoration protective layer, vacuum heat-insulating plate layer
Thickness is 20mm, and the thickness of structure sheaf is 160mm.
Other steps and the structure of wallboard are the same as embodiment 1.
The indexs such as density, compression strength, thermal property of regeneration concrete used in the present invention also testing example 1 and 2,
The results are shown in Table 1.
The performance of 1 regeneration concrete of table
The density of haydite concrete (material i.e. used in structure sheaf) used, resistance to compression in the present invention also testing example 1 and 3
The indexs such as intensity, thermal property, the results are shown in Table 2.
The performance of 2 concrete of table
The present invention is also tested for the bearing and heat insulating ability of the wallboard of embodiment 1 and 4, and the results are shown in Table 3.
The performance of 3 wallboard of table
| Embodiment 1 | Embodiment 4 | |
| Heat transfer coefficient (W/ (m2·K) | 0.46 | 0.38 |
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of regeneration concrete, which is characterized in that be mainly made of following material：
By weight, 70~90 parts of cement, 3~6 parts of flyash, 10~15 parts of slag, 200~250 parts of building waste, water-reducing agent
30~50 parts of 0.6~1 part, 0.08~0.12 part of antifoaming agent, 0.06~0.1 part of water-retaining agent, 0.2~0.4 part of retarder and water.
2. regeneration concrete according to claim 1, which is characterized in that the cement be Portland cement, intensity
Grade is the mixing of one or both of 42.5 or 42.5R；
Preferably, the flyash grade is one or both of I grades or II grades mixing；
Preferably, the slag grade is one or both of S95 grades or S105 grades mixing；
Preferably, the building waste be waste concrete or one kind or mixture in useless brick, grain size≤20mm；
Preferably, the water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid；
Preferably, the antifoaming agent is the mixing of one or both of silicone oil or ethers antifoaming agent；
Preferably, the water-retaining agent is the mixing of one or both of hydroxypropyl methyl cellulose ether or methyl cellulose ether；
Preferably, the retarder is one or more of sodium gluconate, tartaric acid, boric acid mixture.
3. regeneration concrete according to claim 1, which is characterized in that by weight, 80~90 parts of cement, flyash 3
~5 parts, 12~15 parts of slag, 200~230 parts of building waste, 0.8~1 part of water-reducing agent, 0.08~0.1 part of antifoaming agent, water-retaining agent
40~50 parts of 0.08~0.1 part, 0.2~0.3 part of retarder and water.
4. a kind of assembled combined wall board, which is characterized in that including by claim 1-3 any one of them regeneration concrete systems
Into decoration protective layer.
5. assembled combined wall board according to claim 4, which is characterized in that the assembled combined wall board includes successively
First decoration protective layer, enhancement layer, the second decoration protective layer, vacuum heat-insulating plate layer and structure sheaf；
The first decoration protective layer and the second decoration protective layer are by claims 1 to 3 any one of them regeneration concrete
It is made；
Preferably, the enhancement layer is high strength fibre grid cloth or steel fabric sheet；
Preferably, the structure sheaf is reinforced concrete floor.
6. assembled combined wall board according to claim 5, which is characterized in that the vacuum heat-insulating plate layer is by multiple vacuum
The heat-insulating shield fissure of displacement is spliced；
Preferably, the fissure of displacement distance of the fissure of displacement splicing is in more than 150mm；
Preferably, the width in each gap is in below 10mm during the fissure of displacement splices；
Preferably, connector, connector connection the first decoration protection are equipped in the vacuum heat-insulating plate layer in gap
Layer, the enhancement layer, the second decoration protective layer and the structure sheaf；
Preferably, the gap filling between the vacuum heat-insulating plate has polyester form or thermal insulation mortar.
7. assembled combined wall board according to claim 5, which is characterized in that the first decoration protective layer and the second dress
The thickness of decorations protective layer is respectively 25~40mm, 25~40mm, and the vacuum heat-insulating plate layer thickness is 10~20mm, the structure
The thickness of layer is 160~220mm；
Preferably, it is bonded between the second decoration protective layer and the vacuum heat-insulating plate layer by boundary mortar layer, it is described true
It is bonded between empty heat-insulating shield layer and the structure sheaf by boundary mortar layer.
8. according to claim 5 to 7 any one of them assembled combined wall board, which is characterized in that the reinforced concrete floor
Strength grade in more than C30, density is preferably 1500~1700kg/m3；
Preferably, the reinforced concrete floor is mainly made of following material：By weight, 50~60 parts of cement, flyash 3~
10 parts, 10~20 parts of slag, slag 60~80,50~60 parts of haydite, 0.05~0.15 part of water-retaining agent, water-reducing agent 0.1~0.2
Part, 20~25 parts of water；
Preferably, the cement is Portland cement, and strength grade is the mixing of one or both of 42.5 or 42.5R；
Preferably, the flyash grade is one or both of I grades or II grades mixing；
Preferably, the slag grade is one or both of S95 grades or S105 grades mixing；
Preferably, the fineness modulus of the slag is 3.0~3.3, and bulk density is 1020~1080kg/m3；
Preferably, the haydite is lytag；
Preferably, the grain size of the haydite is 5~15mm, and bulk density is 840~870kg/m3, cylindrical compress strength >=5.0MPa；
Preferably, the water-reducing agent is one kind of polycarboxylate water-reducer, naphthalene water reducer and melamine system water reducer；
Preferably, the water-retaining agent is hydroxypropyl methyl cellulose.
9. the preparation method of claim 5-8 any one of them assembled combined wall boards, which is characterized in that including following step
Suddenly：
Step A：It is spraying by the mold of releasing agent, pouring one layer of regeneration concrete, then enhancement layer described in paving, so
Another layer of regeneration concrete is sprayed in the top of enhancement layer afterwards, forms the second decoration protective layer；
Step B：Before the regeneration concrete initial set of the described second decoration protective layer, the fissure of displacement is laid with multiple vacuum insulations above
Plate is paved, blind, forms insulating layer；
Step C：The pouring reinforcement concrete above the insulating layer forms structure sheaf.
10. preparation method according to claim 9, which is characterized in that generated in the multiple vacuum heat-insulating plates of the laying
Gap in be laid with connector；
Preferably, pre-buried hanging ring, built-in fitting, pipeline, electrical box, preformed hole between the insulating layer and the structure sheaf.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774039A (en) * | 2018-06-26 | 2018-11-09 | 安徽工业大学 | The preparation method of assembled integrated board |
| CN109437755A (en) * | 2018-12-10 | 2019-03-08 | 三筑工科技有限公司 | Prefabricated board and its preparation method and application |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594797A (en) * | 2004-07-14 | 2005-03-16 | 刘建业 | Precast light insulation composite wall panel |
| CN1603271A (en) * | 2003-09-30 | 2005-04-06 | 上海德志建筑设备有限公司 | Ecological environment-friendly type wallboard with regeneration aggregate function and method of manufacture the same |
| CN1927757A (en) * | 2005-09-09 | 2007-03-14 | 上海市建筑科学研究院有限公司 | Regeneration green concrete |
| CN201660976U (en) * | 2010-02-10 | 2010-12-01 | 中国建筑第七工程局有限公司 | composite wall panel |
| CN103541462A (en) * | 2012-07-09 | 2014-01-29 | 上海城建物资有限公司 | Prefabricated recycled concrete sandwich thermal insulation shear wall and manufacturing method thereof |
| CN104164940A (en) * | 2014-08-07 | 2014-11-26 | 江苏尼高科技有限公司 | Fabricated light composite wallboard and preparation method |
| CN105587073A (en) * | 2015-12-28 | 2016-05-18 | 浙江八达建设集团有限公司 | Light self-insulation composite wallboard and manufacturing method thereof |
| CN106746992A (en) * | 2016-12-16 | 2017-05-31 | 南京倍立达新材料系统工程股份有限公司 | A kind of cement heat preserving wallboard |
| CN106866068A (en) * | 2017-01-21 | 2017-06-20 | 浙江益森科技股份有限公司 | A kind of assembled architecture containing building waste compound PC Mortar Plates of high-strength light |
-
2018
- 2018-02-11 CN CN201810140404.9A patent/CN108147753B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603271A (en) * | 2003-09-30 | 2005-04-06 | 上海德志建筑设备有限公司 | Ecological environment-friendly type wallboard with regeneration aggregate function and method of manufacture the same |
| CN1594797A (en) * | 2004-07-14 | 2005-03-16 | 刘建业 | Precast light insulation composite wall panel |
| CN1927757A (en) * | 2005-09-09 | 2007-03-14 | 上海市建筑科学研究院有限公司 | Regeneration green concrete |
| CN201660976U (en) * | 2010-02-10 | 2010-12-01 | 中国建筑第七工程局有限公司 | composite wall panel |
| CN103541462A (en) * | 2012-07-09 | 2014-01-29 | 上海城建物资有限公司 | Prefabricated recycled concrete sandwich thermal insulation shear wall and manufacturing method thereof |
| CN104164940A (en) * | 2014-08-07 | 2014-11-26 | 江苏尼高科技有限公司 | Fabricated light composite wallboard and preparation method |
| CN105587073A (en) * | 2015-12-28 | 2016-05-18 | 浙江八达建设集团有限公司 | Light self-insulation composite wallboard and manufacturing method thereof |
| CN106746992A (en) * | 2016-12-16 | 2017-05-31 | 南京倍立达新材料系统工程股份有限公司 | A kind of cement heat preserving wallboard |
| CN106866068A (en) * | 2017-01-21 | 2017-06-20 | 浙江益森科技股份有限公司 | A kind of assembled architecture containing building waste compound PC Mortar Plates of high-strength light |
Non-Patent Citations (2)
| Title |
|---|
| 朱平华: "《再生混凝土概论》", 31 July 2017 * |
| 石中林: "《建筑材料检测 上》", 28 February 2013 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774039A (en) * | 2018-06-26 | 2018-11-09 | 安徽工业大学 | The preparation method of assembled integrated board |
| CN109437755A (en) * | 2018-12-10 | 2019-03-08 | 三筑工科技有限公司 | Prefabricated board and its preparation method and application |
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| CN108147753B (en) | 2020-09-18 |
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