CN104818813B - Layer stereo fiber composite GRC hollow heat preservation boards and preparation method thereof - Google Patents
Layer stereo fiber composite GRC hollow heat preservation boards and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of layer stereo fiber composite GRC hollow heat preservation boards and preparation method thereof, a kind of specifically high-strength Side fascia with decorative effect and with incubation and thermal insulation function；The decorative effect of decorative exterior wall can not only be ensured, in combination with layer stereo fibre mortar layer high-strength, thermal insulation external wall panel is made with heat-insulation mortar bed features, existing hollow sheeting low intensity, the weak point of heat insulation effect difference can be overcome, improve the use scope of GRC curtain wall panels, the invention also discloses a kind of preparation method for preparing layer stereo fiber composite GRC hollow heat preservation boards, present invention process is simple, with economy and environmental benefit higher, belongs to high added value recycling.
Description
Technical field
The present invention relates to be decoration integrated compound GRC hollow sheetings.Specifically pass through composite stereo fiber, heat-insulation layer
And hollow structure layer obtains the GRC composite boards of high-strength, insulation and lightweight.Ensureing the decoration of GRC Side fascias
While performance, its properties is significantly improved, it is adaptable to the field such as building roof, building curtain wall, wall decoration.
Background technology
More than the 36% of whole society's energy resource consumption total amount is accounted in China's building energy consumption, at home some areas east, Western Hills wall
Also often there is dew condensation phenomenon with the corner of top room, the heat transfer coefficient of this exterior wall is 1.57 (w/m2k), and weather bar
The close developed country's heat transfer coefficient of outer wall of part is only 0.35 (w/m2k).Existing exterior wall is much built using air entrained concrete
Block, cement hollow building blocks or polyphenylene heat insulation slab laying etc., has that heat insulation effect is poor, low intensity or the poor problem of fire protection flame retarding,
Also to face the problem that exterior wall is decorated again simultaneously.Because traditional decoration curtain wall itself does not possess heat insulation function, site operation is usual
Need using building enclosure-heat-insulation layer laying-curtain wall decoration three process, because decorative panel is inadequate with the mode of adhering heat insulating plate
Firmly, after long-term use, Side fascia is easily peeled off.Therefore decoration and function integration are the trend of external wall of building thing from now on.
Because building curtain wall is used as a kind of important form of decorating outer wall of building in industry, building heat preservation dress is progressively carried out
Adorn the development and application of integrated board.《Building cause " 12 " emphasis promotional technique field》Emphasis popularization is distinctly claimed " to build
Build door and window, building curtain wall thermal insulation technology ".Some insulation and decoration integrated plates, but overall system are also developed currently on the market
System is not perfect enough, and shortcoming is also it is clear that or the relatively low influence use safety of intensity；Or own wt large increase structure
Load, or decorative effect is relatively simple, and the performance such as durability, fire prevention is not up to standard.Improve the insulation of building curtain wall
Performance, preparing decorative heat preservation function integration plate has turned into the common need of current China's building, is that of construction industry is great
Problem.
The content of the invention
The purpose of the present invention is directed to the deficiency of above-mentioned decorative heat preservation Side fascia aspect of performance, by the decoration of GRC Side fascias,
High-strength, lightweight, heat insulation function carry out integrated design, disclosure satisfy that various demands of modern building exterior wall.By multiple-layer stand
Body fiber improves the intensity of overall sheet material, while by the combination of hollow sheeting and warming plate, can either ensure lightweight, can reach again
Insulation effect.
The object of the invention is achieved by the following technical programs：
Layer stereo fiber composite GRC hollow heat preservation boards, including architectural surface, ground floor dimensional fibre network layer,
Ground floor heat-insulation layer, porous hollow layer, second layer heat-insulation layer and second layer dimensional fibre network layer.
It is made of using coloured cement mortar on heretofore described architectural surface；Described ground floor dimensional fibre net
Lattice structure sheaf 2 and second layer dimensional fibre network layer are made of fibre reinforced cement composite stereo fiber；Described
Ground floor heat-insulation layer 3 and second layer heat-insulation layer are made of insulation material laying.
Heretofore described porous hollow layer is the fibrous cementitious structural with penetrability hollow-core construction hole
Layer.
The preparation method of layer stereo fiber composite GRC hollow heat preservation boards, step is as follows：
（1）Many rounds will be opened at mould 2/3rds；
（2）Cement, pigment, aggregate, polymer, anti-crack fiber, additive, water are mixed according to following weight per distribution ratio
Close, decorative layer mortar is made after stirring；
Cement 25-50%
Pigment 0.5-5%
Aggregate 20-60%
Polymer 0-10%
Anti-crack fiber 0-1%
Additive 0-3%
Water 6.5-25%
Described pigment selects pigment powder or liquid pigment；
Described aggregate from sand, microlith, glass chip, ceramics chip, metal fragment, vermiculite, shell chip,
At least one in mica flake.
Described polymer is the one kind in redispersable latex powder, poly- acrylic emulsion, styrene-acrylic emulsion, silicone acrylic emulsion；
Described anti-crack fiber is using the one kind in PP fibers, PVA fibers, PU fibers；
Described additive is from a kind of or its mixture in water reducer, early strength agent, retarder, antifreezing agent.
（3）The decorative layer mortar that will have been configured, using injection or brushing or laying vibratory drilling method, makes decoration in a mold
Layer, spontaneous curing 10-60 minutes, then dimensional fibre is placed on architectural surface；
（4）Cement, sand, polymer, fiber, additive, active material, water are mixed according to following weight per distribution ratio
Close, stir and be made structure sheaf mortar；
Cement 25-50%
Sand 20-55%
Polymer 3-8%
Fiber 1-5%
Additive 0-3%
Active material 0.5-7%
Water 7-25%
Described polymer is the one kind in redispersable latex powder, poly- acrylic emulsion, styrene-acrylic emulsion, silicone acrylic emulsion；
Described fiber is using one or several in alkali-resistant glass fibre, carbon fiber, PVA fibers, basalt fibre；
Described active material is a kind of or mixed in metakaolin, flyash, acicular wollastonite, silicon ash, silicon powder
Compound；
Described additive is from a kind of or its mixture in water reducer, early strength agent, antifreezing agent.
（5）By step（4）The structure sheaf mortar metered injection of preparation is poured into the mould for being equipped with dimensional fibre, so
Roll-in is carried out using pressure roller closely knit, form ground floor dimensional fibre network layer afterwards；
（6）Insulation material is positioned on ground floor dimensional fibre network layer, ground floor heat-insulation layer is formed；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar, using spraying or pour in mould, it is to be solidified fully after, metal bar is taken out, form porous hollow
Layer；
（8）Insulation material is positioned on porous hollow layer, second layer heat-insulation layer is formed, then in second layer insulation
Dimensional fibre is placed on layer；
（9）By step（4）The structure sheaf mortar metered injection of preparation is poured into the mould for being equipped with dimensional fibre, so
Roll-in is carried out using pressure roller closely knit, form second layer dimensional fibre network layer afterwards；
（10）After being conserved 4 ~ 24 hours under the product normal temperature or steam of forming, the demoulding is carried out；
（11）Brushed or gunning concrete surface protectant in product surface after the demoulding, multilayer is can be made into after fully drying
The compound GRC hollow heat preservation boards of dimensional fibre.
The preparation method of described layer stereo fiber composite GRC hollow heat preservation boards, it is characterised in that described thermal insulating material
Expect to be protected for polyurethane foam insulation plate, phenolphthalein foam heat-insulating board, cement insulation board, pearlite heat-insulation plate, haydite concrete
One kind in warm plate, air entrained concrete warming plate.
The preparation method of described layer stereo fiber composite GRC hollow heat preservation boards, it is characterised in that layer stereo fiber
The preparation method of compound GRC hollow heat preservation boards, it is characterised in that described water reducer selects naphthalene sulfonic acid-formaldehyde condensation product, sulfonation
One kind of condensate of melamine and formaldehyde, polycarboxylate water-reducer；Described early strength agent selects sulfonate, nitrite, three ethanol
One kind in amine；Described antifreezing agent is from the one kind in calcium chloride, potassium carbonate, natrium nitrosum；Described retarder is from wood
One kind in calcium, molasses, citric acid.
Beneficial effects of the present invention
1st, layer stereo fiber composite GRC hollow heat preservation boards use layer stereo fiber and porous hollow sheeting structure, full
The foot demand of high-strength/light external wall plate of new generation, has widened the range of application of GRC Side fascias significantly.
2nd, layer stereo fiber composite GRC hollow heat preservation boards are using heat-insulation layer as fibrage and the intermediate layer of hollow layer, gram
The hardened poor problem of making a concerted effort of conventional vacuum has been taken, the durability of external wall insulation has been improved.
3rd, the preparation technology of the hollow structure of layer stereo fiber composite GRC hollow heat preservation boards is very simple, can be effective
Improve shaping efficiency.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described.
1st, Fig. 1 is the generalized section of layer stereo fiber composite GRC hollow heat preservation boards.
In figure：The architectural surface of 1- layer stereo fiber composite GRC hollow heat preservation boards, 2- ground floor dimensional fibre grid knots
Structure layer, 3- ground floor heat-insulation layers, 4- porous hollows layer, 5- second layer heat-insulation layers, 6- second layer dimensional fibre networks
Layer.
2nd, Fig. 2 is the mould generalized section before preparing.
In figure：7- moulds, many rounds of 8-.
3rd, Fig. 3 is to lay the mould generalized section in porous hollow layer preparation process.
In figure：7- moulds, 9- metal bars.
Specific embodiment：
Case study on implementation 1
（1）Many rounds will be opened at mould 2/3rds；
（2）By cement 30kg（30%）, pigment powder 0.5kg（0.5%）, sand 32kg（32%）, ceramic chip 2kg（2%）、
Polymer dispersion powder 8kg（8%）, PP fibers 0.5kg（0.5%）, water reducer naphthalene sulfonic acid-formaldehyde condensation product 1kg（1%）, early strength agent sulphur
Hydrochlorate 0.5kg（0.5%）, antifreezing agent calcium chloride 0.5kg（0.5%）, water 25kg（25%）Mixing, stirs and is made decorative layer sand
Slurry；
（3）The decorative layer mortar that will have been configured, using gunite, makes decorative layer, 10 points of spontaneous curing in a mold
Clock, then dimensional fibre is placed on architectural surface；
（4）By cement 25kg（25%）, sand 35kg（35%）, redispersable latex powder 8kg（8%）, alkali-resistant glass fibre
4kg（4%）, carbon fiber 1kg（1%）, water reducer naphthalene sulfonic acid-formaldehyde condensation product 1kg（1%）, early strength agent sulfonate 0.5kg（0.5%）、
Antifreezing agent calcium chloride 0.5kg（0.5%）, metakaolin 6kg（6%）, water 19kg（19%）Mixing, stirs and is made structure sheaf sand
Slurry；
（5）By step（4）Then the structure sheaf mortar metered injection of preparation uses to being equipped with the mould of dimensional fibre
It is closely knit that pressure roller carries out roll-in, forms ground floor dimensional fibre network layer；
（6）Polyurethane foam insulation plate is positioned on ground floor dimensional fibre network layer, ground floor is formed and is protected
Warm layer；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar is sprayed in mould, it is to be solidified fully after, metal bar is taken out, formed porous hollow layer；
（8）Polyurethane foam insulation plate is positioned on porous hollow layer, second layer heat-insulation layer is formed, then the
Dimensional fibre is placed on two layers of heat-insulation layer；
（9）By step（4）Then the structure sheaf mortar metered injection of preparation uses to being equipped with the mould of dimensional fibre
It is closely knit that pressure roller carries out roll-in, forms second layer dimensional fibre network layer；
（10）After the product normal temperature of forming is conserved 24 hours, the demoulding is carried out；
（11）Layer stereo is can be made into product surface spray coating concrete surface protecting agent after the demoulding, after fully drying fine
The compound GRC hollow heat preservation boards of dimension.
Case study on implementation 2
（1）Many rounds will be opened at mould 2/3rds；
（2）By cement 50kg（50%）, liquid pigment 1kg（1%）, the sub- 18kg of microlith（18%）, glass chip 2kg（2%）, it is poly-
Acrylic emulsion 5kg（5%）, PVA fibers 1kg（1%）, water reducer sulfonated melamine compound condensation product 1.5kg（1.5%）, early strength agent it is sub-
Nitrate 0.5kg（0.5%）, antifreezing agent potassium carbonate 0.5kg（0.5%）, retarder calcium lignosulfonate 0.5kg（0.5%）, water 20kg（20%）It is mixed
Close, stir and be made decorative layer mortar；
（3）The decorative layer mortar that will have been configured, using spread coating, makes decorative layer, 60 points of spontaneous curing in a mold
Clock, then dimensional fibre is placed on architectural surface；
（4）By cement 50kg（50%）, sand 38.5kg（38.5%）, poly- acrylic emulsion 3kg（3%）, alkali-resistant glass fibre 1kg
（1%）, flyash 0.5kg（0.5%）, water 7kg（7%）Mixing, stirs and is made structure sheaf mortar；
（5）By step（4）The structure sheaf mortar of preparation is quantitatively poured into the mould for being equipped with dimensional fibre, is then used
It is closely knit that pressure roller carries out roll-in, forms ground floor dimensional fibre network layer；
（6）Phenolphthalein foam heat-insulating board is positioned on ground floor dimensional fibre network layer, ground floor insulation is formed
Layer；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar is poured into mould, it is to be solidified fully after, metal bar is taken out, formed porous hollow layer；
（8）Phenolphthalein foam heat-insulating board is positioned on porous hollow layer, second layer heat-insulation layer is formed, then second
Dimensional fibre is placed on layer heat-insulation layer；
（9）By step（4）The structure sheaf mortar of preparation is quantitatively poured into the mould for being equipped with dimensional fibre, is then used
It is closely knit that pressure roller carries out roll-in, forms second layer dimensional fibre network layer；
（10）After being conserved 4 hours under the product steam of forming, the demoulding is carried out；
（11）Concrete surface protecting agent is brushed in product surface after the demoulding, layer stereo is can be made into after fully drying fine
The compound GRC hollow heat preservation boards of dimension.
Case study on implementation 3
（1）Many rounds will be opened at mould 2/3rds；
（2）By cement 25kg（25%）, pigment powder 5kg (5%), sand 55kg（55%）, metal fragment 5kg（5%）, phenylpropyl alcohol
Emulsion 2kg（2%）, water reducer polycarboxylate water-reducer 0.5kg（0.5%）, early strength agent triethanolamine 0.5kg（0.5%）, antifreezing agent it is sub-
Sodium nitrate 0.5kg（0.5%）, water 6.5kg（6.5%）Mixing, is made decorative layer mortar after stirring；
（3）The decorative layer mortar that will have been configured, using laying vibratory drilling method, makes decorative layer, spontaneous curing in a mold
10-60 minutes, then dimensional fibre is placed on architectural surface；
（4）By cement 40kg（40%）, sand 20kg（20%）, styrene-acrylic emulsion 5kg（5%）, alkali-resistant glass fibre 3kg（3%）、
PVA fibers 1kg（1%）, water reducer polycarboxylate water-reducer 0.5kg（0.5%）, early strength agent triethanolamine 0.3kg（0.3%）, antifreezing agent
Natrium nitrosum 0.2kg（0.2%）, acicular wollastonite 7kg（7%）, water 23kg（23%）Mixing, stirs and is made structure sheaf mortar；
（5）By step（4）Then the structure sheaf mortar metered injection of preparation uses to being equipped with the mould of dimensional fibre
It is closely knit that pressure roller carries out roll-in, forms ground floor dimensional fibre network layer；
（6）Cement insulation board is positioned on ground floor dimensional fibre network layer, ground floor insulation is formed
Layer；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar is sprayed in mould, it is to be solidified fully after, metal bar is taken out, formed porous hollow layer；
（8）Cement insulation board is positioned on porous hollow layer, second layer heat-insulation layer is formed, then second
Dimensional fibre is placed on layer heat-insulation layer；
（9）By step（4）Then the structure sheaf mortar metered injection of preparation uses to being equipped with the mould of dimensional fibre
It is closely knit that pressure roller carries out roll-in, forms second layer dimensional fibre network layer；
（10）After being conserved 12 hours under the product normal temperature of forming, the demoulding is carried out；
（11）Layer stereo is can be made into product surface spray coating concrete surface protecting agent after the demoulding, after fully drying fine
The compound GRC hollow heat preservation boards of dimension.
Case study on implementation 4
（1）Many rounds will be opened at mould 2/3rds；
（2）By cement 40kg（40%）, liquid pigment 1.4kg（1.4%）, the sub- 35kg of microlith（35%）, vermiculite 5kg（5%）, silicon
Acrylic emulsion 10kg（10%）, PP fibers 0.6kg（0.6%）, water 8kg（8%）Mixing, is made decorative layer mortar after stirring；
（3）The decorative layer mortar that will have been configured, using gunite, makes decorative layer, spontaneous curing 10-60 in a mold
Minute, then dimensional fibre is placed on architectural surface；
（4）By cement 28kg（28%）, sand 55kg（55%）, silicone acrylic emulsion 4kg（4%）, alkali-resistant glass fibre 1.5kg
（1.5%）, basalt fibre 0.5kg（0.5%）, water reducer sulfonated melamine compound condensation product 0.5kg（0.5%）, early strength agent it is sub-
Nitrate 0.5kg（0.5%）, antifreezing agent potassium carbonate 0.5kg（0.5%）, silicon ash 1.5kg（1.5%）, water 8kg（8%）Mixing, stirring
Uniformly it is made structure sheaf mortar；
（5）By step（4）Then the structure sheaf mortar metered injection of preparation uses to being equipped with the mould of dimensional fibre
It is closely knit that pressure roller carries out roll-in, forms ground floor dimensional fibre network layer；
（6）Pearlite heat-insulation plate is positioned on ground floor dimensional fibre network layer, ground floor heat-insulation layer is formed；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar is sprayed in mould, it is to be solidified fully after, metal bar is taken out, formed porous hollow layer；
（8）Pearlite heat-insulation plate is positioned on porous hollow layer, second layer heat-insulation layer is formed, then in the second layer
Dimensional fibre is placed on heat-insulation layer；
（9）By step（4）Then the structure sheaf mortar metered injection of preparation uses to being equipped with the mould of dimensional fibre
It is closely knit that pressure roller carries out roll-in, forms second layer dimensional fibre network layer；
（10）After being conserved 6 hours under the product steam of forming, the demoulding is carried out；
（11）Layer stereo is can be made into product surface spray coating concrete surface protecting agent after the demoulding, after fully drying fine
The compound GRC hollow heat preservation boards of dimension.
Case study on implementation 5
（1）Many rounds will be opened at mould 2/3rds；
（2）By cement 38kg（38%）, pigment powder 3kg（3%）, sand 30kg（30%）, shell chip 11kg（11%）、
PVA fibers 1kg（1%）, retarder molasses 1kg（1%）, water 16kg（16%）Mix according to following weight per distribution ratio, stir
After be made decorative layer mortar；
（3）The decorative layer mortar that will have been configured, using spread coating, makes decorative layer, spontaneous curing 10-60 in a mold
Minute, then dimensional fibre is placed on architectural surface；
（4）By cement 32kg（32%）, sand 32kg（32%）, redispersable latex powder 6kg（6%）, alkali-resistant glass fibre
1kg（1%）, water reducer naphthalene sulfonic acid-formaldehyde condensation product 3kg（3%）, silicon powder 1kg（1%）, water 25kg（25%）Mixing, stirs
It is made structure sheaf mortar；
（5）By step（4）The structure sheaf mortar of preparation is quantitatively poured into the mould for being equipped with dimensional fibre, is then used
It is closely knit that pressure roller carries out roll-in, forms ground floor dimensional fibre network layer；
（6）Haydite concrete warming plate is positioned on ground floor dimensional fibre network layer, ground floor is formed and is protected
Warm layer；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar is poured in mould, it is to be solidified fully after, metal bar is taken out, formed porous hollow layer；
（8）Haydite concrete warming plate is positioned on porous hollow layer, second layer heat-insulation layer is formed, then the
Dimensional fibre is placed on two layers of heat-insulation layer；
（9）By step（4）The structure sheaf mortar of preparation is quantitatively poured into the mould for being equipped with dimensional fibre, is then used
It is closely knit that pressure roller carries out roll-in, forms second layer dimensional fibre network layer；
（10）After being conserved 16 hours under the product normal temperature of forming, the demoulding is carried out；
（11）Concrete surface protecting agent is brushed in product surface after the demoulding, layer stereo is can be made into after fully drying fine
The compound GRC hollow heat preservation boards of dimension.
Case study on implementation 6
（1）Many rounds will be opened at mould 2/3rds；
（2）By cement 41kg（41%）, liquid pigment 2.5kg（2.5%）, the sub- 30kg of microlith（30%）, mica flake 8kg
（8%）, poly- acrylic emulsion 9kg（9%）, PU fibers 0.5kg（0.5%）, retarder citric acid 1kg（1%）, water 8kg（8%）According to following
Weight percent proportioning mixing, is made decorative layer mortar after stirring；
（3）The decorative layer mortar that will have been configured, using laying vibratory drilling method, makes decorative layer, spontaneous curing in a mold
10-60 minutes, then dimensional fibre is placed on architectural surface；
（4）By cement 37kg（37%）, sand 35kg（35%）, poly- acrylic emulsion 7kg（7%）, alkali-resistant glass fibre 2kg（2%）、
PVA fibers 1kg（1%）, antifreezing agent calcium chloride 3kg（3%）, metakaolin 3kg（3%）, water 12kg（12%）Mixing, the system of stirring
Into structure sheaf mortar；
（5）By step（4）The structure sheaf mortar of preparation is quantitatively poured into the mould for being equipped with dimensional fibre, is then used
It is closely knit that pressure roller carries out roll-in, forms ground floor dimensional fibre network layer；
（6）Air entrained concrete warming plate is positioned on ground floor dimensional fibre network layer, ground floor is formed and is protected
Warm layer；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）Prepare
Structure sheaf mortar is poured in mould, it is to be solidified fully after, metal bar is taken out, formed porous hollow layer；
（8）Air entrained concrete warming plate is positioned on porous hollow layer, second layer heat-insulation layer is formed, then the
Dimensional fibre is placed on two layers of heat-insulation layer；
（9）By step（4）The structure sheaf mortar of preparation is quantitatively poured into the mould for being equipped with dimensional fibre, is then used
It is closely knit that pressure roller carries out roll-in, forms second layer dimensional fibre network layer；
（10）After being conserved 8 hours under the product steam of forming, the demoulding is carried out；
（11）Concrete surface protecting agent is brushed in product surface after the demoulding, layer stereo is can be made into after fully drying fine
The compound GRC hollow heat preservation boards of dimension.
Claims (3)
1. the preparation method of layer stereo fiber composite GRC hollow heat preservation boards, it is characterised in that step is as follows：
（1）Many rounds will be opened at mould 2/3rds；
（2）Cement, pigment, aggregate, polymer, anti-crack fiber, additive, water are mixed according to following weight per distribution ratio, is stirred
Decorative layer mortar is made after mixing uniformly；
Cement 25-50%
Pigment 0.5-5%
Aggregate 20-60%
Polymer 0-10%
Anti-crack fiber 0-1%
Additive 0-3%
Water 6.5-25%
Described pigment selects pigment powder or liquid pigment；
Described aggregate is from sand, microlith, glass chip, ceramic chip, metal fragment, vermiculite, shell chip, mica
At least one in fragment；
Described polymer is the one kind in redispersable latex powder, poly- acrylic emulsion, styrene-acrylic emulsion, silicone acrylic emulsion；
Described anti-crack fiber is using the one kind in PP fibers, PVA fibers, PU fibers；
Described additive is from a kind of or its mixture in water reducer, early strength agent, retarder, antifreezing agent；
（3）The decorative layer mortar that will have been configured, using injection or brushing or laying vibratory drilling method, makes decorative layer in a mold,
Spontaneous curing 10-60 minutes, then dimensional fibre is placed on architectural surface；
（4）Cement, sand, polymer, fiber, additive, active material, water are mixed according to following weight per distribution ratio, is stirred
Mix and be uniformly made structure sheaf mortar；
Cement 25-50%
Sand 20-55%
Polymer 3-8%
Fiber 1-5%
Additive 0-3%
Active material 0.5-7%
Water 7-25%
Described polymer is the one kind in redispersable latex powder, poly- acrylic emulsion, styrene-acrylic emulsion, silicone acrylic emulsion；
Described fiber is using one or several in alkali-resistant glass fibre, carbon fiber, PVA fibers, basalt fibre；
Described active material is one kind or mixture in metakaolin, flyash, acicular wollastonite, silicon ash, silicon powder；
Described additive is from a kind of or its mixture in water reducer, early strength agent, antifreezing agent；
（5）By step（4）The structure sheaf mortar metered injection of preparation is poured into the mould for being equipped with dimensional fibre, is then made
Roll-in is carried out with pressure roller closely knit, form ground floor dimensional fibre network layer；
（6）Insulation material is positioned on ground floor dimensional fibre network layer, ground floor heat-insulation layer is formed；
（7）Metal bar after surface treatment is loaded into step（1）In made many rounds, then by step（4）The structure of preparation
Layer mortar, using spraying or pour in mould, it is to be solidified fully after, metal bar is taken out, form porous hollow layer；
（8）Insulation material is positioned on porous hollow layer, second layer heat-insulation layer is formed, then on second layer heat-insulation layer
Place dimensional fibre；
（9）By step（4）The structure sheaf mortar metered injection of preparation is poured into the mould for being equipped with dimensional fibre, is then made
Roll-in is carried out with pressure roller closely knit, form second layer dimensional fibre network layer；
（10）After being conserved 4 ~ 24 hours under the product normal temperature or steam of forming, the demoulding is carried out；
（11）Brushed or gunning concrete surface protectant in product surface after the demoulding, layer stereo is can be made into after fully drying
Fiber composite GRC hollow heat preservation boards.
2. the preparation method of layer stereo fiber composite GRC hollow heat preservation boards according to claim 1, it is characterised in that
Described insulation material be polyurethane foam insulation plate, phenolphthalein foam heat-insulating board, cement insulation board, pearlite heat-insulation plate,
One kind in haydite concrete warming plate, air entrained concrete warming plate.
3. the preparation method of layer stereo fiber composite GRC hollow heat preservation boards according to claim 1, it is characterised in that
Described water reducer selects naphthalene sulfonic acid-formaldehyde condensation product, sulfonated melamine compound condensation product, one kind of polycarboxylate water-reducer；Institute
The early strength agent stated is from the one kind in sulfonate, nitrite, triethanolamine；Described antifreezing agent from calcium chloride, potassium carbonate,
One kind in natrium nitrosum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510113412.0A CN104818813B (en) | 2015-03-16 | 2015-03-16 | Layer stereo fiber composite GRC hollow heat preservation boards and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510113412.0A CN104818813B (en) | 2015-03-16 | 2015-03-16 | Layer stereo fiber composite GRC hollow heat preservation boards and preparation method thereof |
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| CN104818813A CN104818813A (en) | 2015-08-05 |
| CN104818813B true CN104818813B (en) | 2017-06-09 |
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