CN105672560A - Light-weight high-strength heat-insulating exterior wallboard and making method thereof - Google Patents
Light-weight high-strength heat-insulating exterior wallboard and making method thereof Download PDFInfo
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- CN105672560A CN105672560A CN201610037462.XA CN201610037462A CN105672560A CN 105672560 A CN105672560 A CN 105672560A CN 201610037462 A CN201610037462 A CN 201610037462A CN 105672560 A CN105672560 A CN 105672560A
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- external wall
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/06—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/044—Water-setting substance, e.g. concrete, plaster
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/07—Parts immersed or impregnated in a matrix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/30—Iron, e.g. steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/06—Concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Finishing Walls (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the field of building exterior wallboard materials, and particularly relates to a light-weight high-strength heat-insulating exterior wallboard and a making method thereof.On the basis of an existing concrete polyphenyl sandwiched wallboard, rice husk mortar is used to replace fine aggregate concrete to reduce dead weight of the wallboard, and polypropylene fibers are added to enhance anti-cracking seepage-resisting performance.A concrete structure layer in the concrete-polyphenyl composite exterior wallboard is replaced by polypropylene fiber rice husk mortar, so that under the condition that heat insulativity and stress performance are not lowered, dead weight is reduced, anti-seismic performance is improved, transportation cost is lowered, assembly efficiency is improved, anti-cracking seepage-resisting performance of the wallboard is improved, durability is enhanced, and a new wall material is provided for existing building wall market.
Description
Technical field
The invention belongs to outer wall board for building material field, be specifically related to a kind of light high-strength heat preservation heat insulating external wall board and preparation method thereof.
Background technology
Combined wall board is a kind of Novel wall structure type, in development in recent years quickly. The kind of the energy saving building combined wall board at home and abroad greatly developed at present is a lot, and conventional has heat-insulation sandwich plate body of wall, fiber reinforcement polystyrene composite thermal-insulating wall, concrete rock wool combined wall, steel wire rock wool combined wall, steel wire foam plastics combined wall etc. In numerous combined wall boards, concrete polyphenyl sandwich wall board is both sides is that normal strength concrete slab, centre arrange the styrofoam of 50-100 millimeters thick and connect into a kind of innovative panellised wall of entirety with steel wire net rack, show with practical engineering application after testing, this wallboard has the advantages such as insulation, intensity height, sound insulation, fire prevention, easy construction, is widely used in the Side fascia of industry and civil buildings. Concrete polyphenyl sandwich wall board is in practical set, find subject matter be common pea gravel concreten as structure sheaf from great, next to that cracking resistance is poor with anti-permeability performance, low from significant impact efficiency of assembling, shock resistance, poor cracking resistance and anti-permeability performance affects service life and the use function of Side fascia.
Summary of the invention
For solving the deficiencies in the prior art, the present invention is on the basis of existing concrete polyphenyl sandwich wall board, replace pea gravel concreten to alleviate wallboard deadweight with rice husk mortar, add polypropylene fibre and strengthen anti-crack and anti-seepage performance, it is provided that a kind of light high-strength heat preservation heat insulating external wall board and preparation method thereof.
A kind of light high-strength heat preservation heat insulating external wall board, including the top panel on the polystyrene heat-preservation layer on lower panel, described lower panel, described polystyrene heat-preservation layer and steel wire net rack, described steel wire net rack includes the upper steel fabric sheet being arranged in described top panel, the lower steel fabric sheet being arranged in described lower panel and the some oblique steel wires connecting described upper steel fabric sheet and described lower steel fabric sheet, wherein, in every cubic metre:
Described lower panel includes the water of the Portland cement of 330～370kg, the engineering sand of 800～850kg, the rice husk of 43～47kg, the polypropylene fibre of 0.43～0.47kg and 280～320kg;
Described top panel includes the water of the Portland cement of 330～370kg, the engineering sand of 800～850kg, the rice husk of 43～47kg, the polypropylene fibre of 0.43～0.47kg and 280～320kg.
Preferably, Portland cement is 42.5 Portland cements.
Preferably, the length of described polypropylene fibre is 3～6mm.
Preferably, described rice husk was the original state rice husk of 1.18mm～2.36mm aperture round-hole mesh.
Preferably, the modulus of fineness of described engineering sand is 2.3mm～3.0mm, and particle diameter is less than 5mm.
In technique scheme, described upper steel fabric sheet is by horizontal steel wire and perpendicular steel wire is crisscross forms, mesh spacing is 4～6cm, described lower steel fabric sheet is by horizontal steel wire and perpendicular steel wire is crisscross forms, mesh spacing is 4～6cm, the adjacent distance between two described oblique steel wires is 8～12cm, wherein:
Described in each bar on the extension direction along described horizontal steel wire, the incline direction of oblique steel wire is identical, and the incline direction of the adjacent two described oblique steel wires on the extension direction along described perpendicular steel wire is contrary; Or
The incline direction of oblique steel wire described in each bar on the extension direction along described horizontal steel wire is contrary, and the incline direction of the adjacent two described oblique steel wires on the extension direction along described perpendicular steel wire is identical.
Preferably, the steel wire of described upper steel fabric sheet is diameter is the zinc-coated wire of 2～3mm, and the steel wire of described lower steel fabric sheet is diameter is the zinc-coated wire of 2～3mm, and described oblique steel wire is diameter is the zinc-coated wire of 3mm～4mm.
Accordingly, present invention also offers the manufacture method of a kind of light high-strength heat preservation heat insulating external wall board, comprise the following steps:
1) steel wire net rack being built-in with polystyrene foam plate is made
Polystyrene foam plate is placed in the middle of the upper steel fabric sheet fixed and lower steel fabric sheet, subsequently oblique steel wire oblique cutting entered and pierce through described polystyrene foam plate, and with finer wire, the two ends of described oblique steel wire are connected with described upper steel fabric sheet and described lower steel fabric sheet colligation respectively, obtain being built-in with the steel wire net rack of polystyrene foam plate, set template, wait that structure sheaf is built;
2) polypropylene fibre rice husk mortar is prepared
Content meter with each component every cubic metre required, first the polypropylene fibre of the engineering sand of 800～850kg Yu 0.43～0.47kg of 3mm～6mm length is uniformly mixed, add the rice husk of 43～47kg and uniformly mix, it is eventually adding the Portland cement of 330～370kg and the tap water of 280～320kg, uniformly mix together, obtain polypropylene fibre rice husk mortar;
3) light high-strength heat preservation heat insulating external wall board is built
First with step 2) the polypropylene fibre rice husk mortar that obtains builds flaggy above, after first time maintenance, by wallboard turn-over, again with step 2) the polypropylene fibre rice husk mortar that obtains builds following flaggy, regularly watering also passes through second time maintenance, obtains light high-strength heat preservation heat insulating external wall board.
Preferably, the time of described first time maintenance is 5～9 days, and the time of described second time maintenance is 26～30 days.
Beneficial effect
By code tests such as polypropylene fibre rice husk mortar cubic compressive strength, rupture strength, anti-permeability performance, resistance fragilities, comprehensively analyze it can be seen that polypropylene fibre rice husk mortar has good Physical and mechanical properties.
1) 28 days comprcssive strength, 28 days rupture strengths
28 days comprcssive strength of polypropylene fibre rice husk mortar can reach 13Mpa～15Mpa, and 28 days rupture strengths are 2.70Mpa～2.90Mpa.
2) anti-permeability performance
The maximum seepage pressure value of polypropylene fibre rice husk mortar can reach 0.36Mpa～0.40Mpa, and compared to pea gravel concreten, anti-permeability performance improves more than 80%.
3) cracking resistance
Through flat band method crack test, polypropylene fibre rice husk mortar early-age plastic shrinkage flaw area is reduced to 11.2mm2～13.2mm2, crack reduces coefficient and reaches 95.00%～95.80%, and it is one-level that performance ratings is split in resistance.
4) deadweight
The polypropylene rice husk mortar severe mixing maintenance molding according to above-mentioned match ratio is 1600kg/m3～1650kg/m3, the surface density of polypropylene rice husk mortar polyphenyl composite plate is 160kg/m3～165kg/m3, compared to pea gravel concreten polyphenyl composite plate, surface density reduces 38%～42%.
By wallboard being carried out gravity type preloading by curved test, show that the maximum ultimate flexuralstrength of this wallboard can reach 2.8kN/m2～3.0kN/m2, meeting Wind-Pressure Resistance requirement, during destruction, maximum defluxion reaches 7.33mm～8.235mm, meets existing national standards specification.
Concrete polypropylene fibre rice husk mortar in concrete polyphenyl compound external wall panel is replaced by the present invention, when not reducing thermal and insulating performance, stress performance, alleviate deadweight, enhance anti-seismic performance, reduce cost of transportation, improve efficiency of assembling, simultaneously, improve the anti-crack and anti-seepage performance of wallboard, enhance durability, provide a kind of new materials for wall for existing construction wall market.
Accompanying drawing explanation
Fig. 1 is the longitudinal profile structural representation of light high-strength heat preservation heat insulating external wall board provided by the present invention.
Fig. 2 is the structure schematic top plan view of the upper steel fabric sheet of light high-strength heat preservation heat insulating external wall board provided by the present invention.
Fig. 3 is that the central spot displacement of light high-strength heat preservation heat insulating external wall board provided by the present invention is with loads change curve relation figure.
In accompanying drawing 1,2, the list of parts representated by each label is as follows:
1, upper steel fabric sheet, 2, lower steel fabric sheet, 3, polystyrene foam plate, 4, oblique steel wire, 5, above flaggy, 6, following flaggy.
Detailed description of the invention
Below in conjunction with accompanying drawing, principles of the invention and feature being described, illustrated embodiment is served only for explaining the present invention, is not intended to limit the scope of the present invention.
Embodiment
The manufacture method of light high-strength heat preservation heat insulating external wall board can be specific as follows:
1) steel wire net rack being built-in with polystyrene foam plate is made.
As shown in Figure 1, 2, according to different wallboard thickness, fixing upper steel fabric sheet 1 and lower steel fabric sheet 2 (the same Fig. 2 of structure), middle placement polystyrene foam plate 3, at the node location designed, oblique steel wire 4 oblique cutting is entered and pierces through polystyrene foam plate subsequently, and with 1mm finer wire, corresponding with upper and lower steel fabric sheet for oblique steel wire two ends node colligation is connected, obtain being built-in with the steel wire net rack of polystyrene foam plate, lie low placement, and propped up template in surrounding, wait pouring structure layer.
2) polypropylene fibre rice husk mortar is prepared.
Content meter with each component every cubic metre required, first the polypropylene fibre of the engineering sand of 800～850kg with 3mm～6mm length, 0.43～0.47kg is uniformly mixed 30 seconds, add the rice husk of 43～47kg, uniformly mix 30 seconds, it is eventually adding 42.5 Portland cements of 330～370kg and the tap water of 280～320kg, uniformly mixes 2 minutes together.
3) build upper strata panel and layer lower panel, obtain light high-strength heat preservation heat insulating external wall board.
Flaggy 5 above are built in first segmentation, build while plug and pound, the polypropylene fibre rice husk mortar of every square metre need by four circumference centers uniformly plug and pound more than 2 times floating again, as shown in Figure 4.After flaggy is built above, regularly watering also carries out maintenance with bag film covering. After maintenance 7 days, by wallboard turn-over, build flaggy 6 below polypropylene fibre rice husk mortar by same method, regularly watering with bag film covering curing 28 days.
The performance indications of polypropylene fibre are as shown in table 1:
Table 1 polypropylene fibre performance indications
Mortar, rice husk mortar, different length, volume volume being defined below of polypropylene fibre rice husk mortar mix ratio:
With the content meter of every cubic metre of each component needed, 11 groups of match ratios are in Table 2.
Table 21m3Polypropylene fibre rice husk mortar mix ratio
Stirring, molding and the maintenance of polypropylene fibre rice husk mortar
Content meter with each component every cubic metre required, first by engineering sand and polypropylene fibre uniformly mix 30 seconds, the rice husk added, uniformly mix 30 seconds, the tap water of the 42.5 Portland cement sums being eventually adding, uniformly mixes 2 minutes together, then prepares different punching blocks according to different code tests, build, plug and pound, jolt ramming, molding maintenance, make polypropylene fibre rice husk mortar polyphenyl compound external wall panel simultaneously.
Effect example
By code test, mortar, rice husk mortar, polypropylene fibre rice husk mortar specimen being carried out compression test, bending test, early-age plastic shrinkage test and anti-permeability performance test respectively, each test index is as shown in table 3.
The each physical and mechanical property Indexs measure result of table 3
Owing to comprehensive every mechanical performance index testing result of 3～6mm, 0.05% volumes below volume group is best, this scope polypropylene fibre rice husk mortar is selected to make polyphenyl compound external wall panel.
Effect example 1
6mm, 0.05% polypropylene fibre rice husk mortar polyphenyl compound external wall panel bend-carrying capacity test
The test of Side fascia bend-carrying capacity prepares: arrange rigid mount and hinge constraint at two minor face places of wallboard, rigid mount is reaction frame bearing and masonry structure bearing composition, it is respectively arranged measuring point in two end bearing places of wallboard, transverse and longitudinal 4/L place, central spot, detect displacement and dependent variable that each measuring point produces along with load increase, the safety equipment that this external wallboard positioned beneath prevents wallboard from caving in suddenly, to prevent testing crew from producing security incident when reading data.
Protonation constant: the test of Side fascia bend-carrying capacity adopts gravitational load mode, and weight material is engineering sand, and every bag of sand is 20kg, with every grade of load 0.4kN/m2Multistage loadings, loads Pyatyi, subsequently every grade of load 0.2kN/m2Multistage loadings, until wallboard destroys.
The collection of displacement data: before every grade of load loads, by the digital independent of dial gauge and record 1 time, after loading 10 minutes, read and record dial gauge data 2nd time, read every 2 hours and record dial gauge data subsequently, until the numerical value of adjacent twi-read differs less than 0.01mm, then carry out the preloading of next stage load.
Now intend providing Side fascia central spot displacement with loads change curve relation figure, as shown in Figure 3.
When being loaded into the 8th grade of load, wallboard has reached maximum ultimate flexuralstrength, occurs destroying, thereby determines that the maximum ultimate flexuralstrength of Side fascia is 2.8Mpa, it is possible to undertaking wind load, maximum defluxion is 7.33mm, meets code requirement.
Effect example 2
3mm, 0.05% polypropylene fibre rice husk mortar polyphenyl compound external wall panel bend-carrying capacity test.
When being loaded into the 9th grade of load, wallboard has reached maximum ultimate flexuralstrength, occurs destroying, thereby determines that the maximum ultimate flexuralstrength of Side fascia is 3.0Mpa, it is possible to undertaking wind load, maximum defluxion is 8.235mm, meets code requirement.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (8)
1. a light high-strength heat preservation heat insulating external wall board, it is characterized in that, including the top panel on the polystyrene heat-preservation layer on lower panel, described lower panel, described polystyrene heat-preservation layer and steel wire net rack, described steel wire net rack includes the upper steel fabric sheet being arranged in described top panel, the lower steel fabric sheet being arranged in described lower panel and the some oblique steel wires connecting described upper steel fabric sheet and described lower steel fabric sheet, wherein, in every cubic metre:
Described lower panel includes the water of the Portland cement of 330～370kg, the engineering sand of 800～850kg, the rice husk of 43～47kg, the polypropylene fibre of 0.43～0.47kg and 280～320kg;
Described top panel includes the water of the Portland cement of 330～370kg, the engineering sand of 800～850kg, the rice husk of 43～47kg, the polypropylene fibre of 0.43～0.47kg and 280～320kg.
2. light high-strength heat preservation heat insulating external wall board according to claim 1, it is characterised in that: the length of described polypropylene fibre is 3～6mm.
3. light high-strength heat preservation heat insulating external wall board according to claim 2, it is characterised in that: described rice husk was the original state rice husk of 1.18mm～2.36mm aperture round-hole mesh.
4. light high-strength heat preservation heat insulating external wall board according to claim 3, it is characterised in that: the modulus of fineness of described engineering sand is 2.3～3.0, and particle diameter is less than 5mm.
5. according to the arbitrary described light high-strength heat preservation heat insulating external wall board of Claims 1-4, it is characterized in that: described upper steel fabric sheet is by horizontal steel wire and perpendicular steel wire is crisscross forms, mesh spacing is 4～6cm, described lower steel fabric sheet is by horizontal steel wire and perpendicular steel wire is crisscross forms, mesh spacing is 4～6cm, the adjacent distance between two described oblique steel wires is 8～12cm, wherein:
Described in each bar on the extension direction along described horizontal steel wire, the incline direction of oblique steel wire is identical, and the incline direction of the adjacent two described oblique steel wires on the extension direction along described perpendicular steel wire is contrary; Or
The incline direction of oblique steel wire described in each bar on the extension direction along described horizontal steel wire is contrary, and the incline direction of the adjacent two described oblique steel wires on the extension direction along described perpendicular steel wire is identical.
6. light high-strength heat preservation heat insulating external wall board according to claim 5, it is characterized in that: the steel wire of described upper steel fabric sheet is diameter is the zinc-coated wire of 2～3mm, the steel wire of described lower steel fabric sheet is diameter is the zinc-coated wire of 2～3mm, and described oblique steel wire is diameter is the zinc-coated wire of 3mm～4mm.
7. the manufacture method of a light high-strength heat preservation heat insulating external wall board, it is characterised in that comprise the following steps:
1) steel wire net rack being built-in with polystyrene foam plate is made
Polystyrene foam plate is placed in the middle of the upper steel fabric sheet fixed and lower steel fabric sheet, subsequently oblique steel wire oblique cutting entered and pierce through described polystyrene foam plate, and with finer wire, the two ends of described oblique steel wire are connected with described upper steel fabric sheet and described lower steel fabric sheet colligation respectively, obtain being built-in with the steel wire net rack of polystyrene foam plate, template is set, waits that structure sheaf is built;
2) polypropylene fibre rice husk mortar is prepared
Content meter with each component every cubic metre required, first the polypropylene fibre of the engineering sand of 800～850kg Yu 0.43～0.47kg of 3mm～6mm length is uniformly mixed, add the rice husk of 43～47kg and uniformly mix, it is eventually adding the Portland cement of 330～370kg and the tap water of 280～320kg, uniformly mix together, obtain polypropylene fibre rice husk mortar;
3) light high-strength heat preservation heat insulating external wall board is built
First with step 2) the polypropylene fibre rice husk mortar that obtains builds flaggy above, after first time maintenance, by wallboard turn-over, again with step 2) the polypropylene fibre rice husk mortar that obtains builds following flaggy, regularly watering also passes through second time maintenance, obtains light high-strength heat preservation heat insulating external wall board.
8. the manufacture method of light high-strength heat preservation heat insulating external wall board according to claim 7, it is characterised in that step 3) in: the time of described first time maintenance is 5～9 days, and the time of described second time maintenance is 26～30 days.
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