CN104847105A - Composite multi-layer hollow flat building template - Google Patents
Composite multi-layer hollow flat building template Download PDFInfo
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- CN104847105A CN104847105A CN201510252216.1A CN201510252216A CN104847105A CN 104847105 A CN104847105 A CN 104847105A CN 201510252216 A CN201510252216 A CN 201510252216A CN 104847105 A CN104847105 A CN 104847105A
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Abstract
The invention discloses a composite multi-layer hollow flat building template. The composite multi-layer hollow flat building template comprises a hollow core layer, a surface layer is arranged at each of the upper and lower surfaces of the hollow core layer, and a middle hole is formed in the hollow core layer; the hollow core layer is made of a PVC wood-plastic foam plate; the surface layer is made of PVC. The composite multi-layer hollow flat building template is moisture resistant, corrosion resistant, acid-base resistant, especially suitable for the underground environment and wet environment, high in intensity, impact resistant, abrasion resistant, long in service life, capable of circulating by more than 40 times, light in weight, convenient to support and remove, low in carrying intensity and high in construction efficiency.
Description
Technical field
The present invention relates to a kind of constructional materials, particularly relate to a kind of composite multi-layer hollow building flat die plate.
Background technology
China's timber resources is poor, and actual use timber 3.2 billion cubic meter, wherein breach reaches 1.4 billion cubic meters, wants imported timber 1,000 ten thousand m every year
3above, consume a large amount of foreign exchanges of country, constrain the development of national economy simultaneously.Through measuring and calculating, the large tree production construction timber shutterings that 1,600 ten thousand diameters are 30 centimetres need be cut down every year.Timber conservation and substitute have become government and have improved wood utilization efficiency, optimize timber consumption structure, realize an Important Action of the sustainable use of China's timber resources.
In recent years, China accelerates economic restructuring, for energy-conserving and environment-protective create good environment.In addition; each relevant departments of China have actively formulated and have implemented in full project on protection of natural forest resources; wood producing enterprise of China significantly adjusts and reduce Wood cut; implement taboo respectively to more than 7,000 ten thousand hectares of forest lands to cut down, limit and cut down and planned felling; timber yield significantly reduces; this contradiction is day by day aggravated, not only insufficient total amount, structural inconsistency is more aobvious outstanding.
In " 12 " planning, to quantitative criteria and the implementation schedule of newly-started building clear stipulaties low-carbon (LC) building, development new material is listed in seven great strategy new industries of new period state key development.Also highlight in national government work reports in 2010 and strengthen economical environment-protective and ecological construction, lumber market imbalance between supply and demand has become to restrict the outstanding problem of building trade development in addition.Development of new green building material is the important channel of developing a circular economy, and is also traditional construction material upgrading only way.
For the above-mentioned problems in the prior art, the present invention proposes a kind of composite multi-layer hollow building flat die plate, for main material, effectively waste resource is carried out high-efficiency comprehensive utilization with the string of low value (sawdust, wood chip, bamboo bits, straw, wheat tangerine, cavings, peanut shell, bagasse, cocoanut shell, sub-hemp etc.).Product environmental protection, nontoxic and reusable edible; belong to energy-saving and environment friendly product; meet energy-saving and environmental protection, economize on resources and sustainable development requirement; China can be effectively advanced to build conservation-minded society; be conducive to the sustainable development realizing society; have both the duality of timber and plastics, wood template can have been substituted completely, significant for the limited timber resources of protection China, ecological environment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of composite multi-layer hollow building flat die plate, and template is non-hygroscopic, corrosion-resistant, acid and alkali-resistance, is particularly suitable for using in underground and moist environment; Intensity is high, shock-resistant, wear-resistant, long service life, has enough to meet the need more than 40 times; Lightweight, a form removal convenience, carrying operation labour intensity is low, and efficiency of construction is high.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of composite multi-layer hollow building flat die plate, and wherein, comprise hollow core layer, the top and bottom of described hollow core layer are provided with top layer, and described hollow core layer inside arranges mesopore.
Above-mentioned composite multi-layer hollow building flat die plate, wherein, described hollow core layer is made by PVC wood plastic foamed board.
Above-mentioned composite multi-layer hollow building flat die plate, wherein, described top layer is made by PVC.
Above-mentioned composite multi-layer hollow building flat die plate, wherein, the thickness of composite multi-layer hollow building flat die plate is 12mm ~ 15mm.
Composite multi-layer hollow building flat die plate provided by the invention has following beneficial effect relative to prior art:
Non-hygroscopic, corrosion-resistant, acid and alkali-resistance, is particularly suitable for using in underground and moist environment; Intensity is high, shock-resistant, wear-resistant, long service life, has enough to meet the need more than 40 times; Lightweight, a form removal convenience, carrying operation labour intensity is low, and efficiency of construction is high; Surface smoothing, bright and clean, without the need to brushing release agent, reduce clean, upkeep cost; Workability is good, can dig, can saw, can nail, can with wooden form simultaneously and use; The recyclable regeneration of waste and old plate after using, leftover pieces, cost-saving, decreasing pollution.
This template rigid plastic combination, high strength, lightweight, impact strength are large, can saw that can dig can nail, and cold-resistant high temperature resistant, environment temperature all can normally use within the scope of-10 DEG C ~ 75 DEG C.High-altitude vertically cannot not fallen brokenly and is not split, and can have enough to meet the need use more than 40 times, useless plate can renew plate.Integrated cost is than wooden form cost saving more than 30%.Be applicable to easy for installation, the saving of labor of formwork erection of door, window, beam base plate, do not walk mould, not spillage when building, beautiful appearance, be not easy unfilled corner, can be used for the formwork erection of column, elevator shaft, need not dismantle and be directly used in sliding formwork; Easy to use, save both labour and money, turnover cost only needs 2 yuan.Also can be used for mating formation the filling up of gap, and not spillage, the demoulding is attractive in appearance.
In addition, it is lightweight, a form removal is convenient, and carrying operation labour intensity is low, and efficiency of construction is high; Workability is good, can dig, can saw, can nail, can with wooden form simultaneously and use; The recyclable regeneration of waste and old plate after using, leftover pieces, cost-saving, decreasing pollution.
Accompanying drawing explanation
Fig. 1 is the sectional view of composite multi-layer hollow provided by the invention building flat die plate.
Fig. 2 is the structure chart of composite multi-layer hollow provided by the invention building flat die plate.
Fig. 3 is composite multi-layer hollow provided by the invention building flat die plate and wooden form, bamboo slab rubber functional performance comparison sheet.
Fig. 4 is the cost performance table of composite multi-layer hollow provided by the invention building flat die plate at engineer applied.
In figure:
1 hollow core layer 2 top layer 3 mesopore
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Composite multi-layer hollow building flat die plate provided by the invention, comprise hollow core layer 1, the top and bottom of described hollow core layer 1 are provided with top layer 2, and described hollow core layer 1 inside arranges mesopore 3.Described hollow core layer 1 is made by PVC wood plastic foamed board.Described top layer 2 is made by PVC.PVC wood plastic foamed board, be a kind of with the string of low value (sawdust, wood chip, bamboo bits, straw, wheat tangerine, cavings, peanut shell, bagasse, cocoanut shell, sub-hemp etc.) for main material, adopt international advanced production standard and energy-conservation, efficient production Technology, make it the Novel environment-friendlymaterial material be composited with PVC through pretreatment, wherein PVC also can replace with PP or PE.
In addition, the thickness of composite multi-layer hollow building flat die plate is 12mm ~ 15mm, and this product has obvious advantage, by means of the double dominant on cost and performance compared to current main flow template, this product constantly expands application, replaces other traditional materials more and more.
The feature performance benefit of composite multi-layer hollow building flat die plate provided by the invention is embodied in:
1, intensity is high, shock-resistant, wear-resistant, can follow closely, saws, digs and hole, available common wire nail apart from edges of boards 5mm place be directly fixed on wood stupefied on; On-the-spot splicing is very convenient, and cutting edge is neat, smooth, and splicing is tight, and piece can be less than 1.5mm; Construction application is easy, has the processing characteristics the same with wooden form.
2, the concrete surface color using composite multi-layer hollow building flat die plate to build is even, smooth, and within flatness error can be controlled in 1mm, its fineness reaches the effect of clear-water concrete, be other any one template incomparable.
3, because top layer 2 is made by PVC, composite multi-layer hollow building flat die plate and concrete surface are without the need to brushing release agent; After concrete setting, template can automatically disengage with the concrete of building, and the demoulding is easy fast, and excellent, decreases clean, upkeep cost; Form removal need not be prized, be pounded, convenient dismounting, damaged less; After form removal, work plane is clean, without rubbish such as lime-ash; It is easy that concrete surface criticizes putty, and combine firmly; Therefore, use plastic formwork both labour intensity attenuatings, save material again, the reduction of erection time.
4, composite multi-layer hollow building flat die plate water-tolerant, soaks for a long time in water, not stratified, non-foaming, do not ftracture, and material expansion rate of water absorption is less than 0.06%, and board dimension is stablized.Can acidproof, alkaline-resisting, weatherability might as well, construction environment temperature can normally use at-25 DEG C ~ 60 DEG C, durability by force, not warpage, indeformable, be suitable for using in different regions, varying environment, solve brittle fracture under low temperature and high temperature deformation two hang-up.
5, composite multi-layer hollow building flat die plate water absorption rate is minimum, there will not be template deformation when watering dilutional hyponatremia before concreting; After concreting, the moisture in concrete can be kept, reduce the shrinkage crack that concrete easily occurs, accelerate concrete strength and increase, guarantee concrete quality.
6, composite multi-layer hollow building flat die plate lightweight, to tear open conveniently, carrying operation labour intensity is low, efficiency of construction is high.With the shear wall large template of plastic formwork face preparation, weight is little, is convenient to lifting and props up tear open, convenient construction.
7, composite multi-layer hollow building flat die plate is nontoxic, harmless, pollution-free, and after construction usage is scrapped, producer can 100% all to reclaim, and obtaining the new plate of 50%, is a kind of environmental protection template of green construction.
8, composite multi-layer hollow building flat die plate long service life, turnover access times can reach more than 40 times, and removing residual value, template is had enough to meet the need use cost at every turn and is less than 1.5 yuan, is about 1/4 of bamboo plywood form.
9, the comparing of composite multi-layer hollow building flat die plate and wooden form, bamboo slab rubber functional performance and price, accompanying drawing 3 and accompanying drawing 4 is seen.
Economy and the social value of composite multi-layer hollow building flat die plate provided by the invention are embodied in:
The Ministry of Construction has issued the requirement about implementing " Green Construction Guidelines " in September, 2007; green construction refers in engineering construction; under the prerequisite of the basic demands such as safety of ensuring the quality of products; by scientific management and technological progress; economize on resources to greatest extent and the construction activities reduced environment negative effect, realize four joint one environmental protection (material-saving, water saving, energy-conservation, save land and environmental protection), therefrom visible; scientific management and technological progress are means and measure, and target realizes four joint one environmental protection.Certainly, adopting composite multi-layer hollow building flat die plate to replace wooden form is a kind of technological progress, the certainty of form work engineering development, and also really can save material and the expense that economizes on resources from result of use, particularly reduce the negative effect to environment, can analyze from following two groups of numerals:
1, the wood plywood producer whole nation is more than 10,000, and annual production reaches 4,000 ten thousand m
3, wherein wood plywood construction formwork output about 1,200 ten thousand m
3, the annual manufacture for construction formwork will strike off many trees greatly as seen.
2, consume that the wooden form of ten thousand stere more than 1,000 is discarded forms building waste on-site every year, processing being very difficult, severe contamination will be produced to environment.And make plastic building template use scrap after, producer all reclaims, regeneration, thus avoids the pollution to environment.Here it is adopts composite multi-layer hollow building flat die plate replacement wooden form to save timber resources, decreases environment pollution, ensure that green construction.
Composite multi-layer hollow building flat die plate long service life, turnover access times can reach more than 40 times, and existing market price is 160 Yuan/㎡, and every square metre has enough to meet the need use cost is at every turn 4 yuan, the residual value of removing 50%, it is 2 yuan that every square metre of composite multi-layer hollow building flat die plate has enough to meet the need use cost at every turn.And the bamboo plywood form used at present, its market price is 48 Yuan/㎡, but only can have enough to meet the need 8 times, and it is 6 yuan that every square metre of template has enough to meet the need use cost at every turn.Like this, subduction loss, uses the construction cost of composite multi-layer hollow building flat die plate to be only about 1/3 of bamboo plywood form.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (4)
1. a composite multi-layer hollow building flat die plate, it is characterized in that: comprise hollow core layer, the top and bottom of described hollow core layer are provided with top layer, and described hollow core layer inside arranges mesopore.
2. composite multi-layer hollow building flat die plate as claimed in claim 1, is characterized in that: described hollow core layer is made by PVC wood plastic foamed board.
3. composite multi-layer hollow building flat die plate as claimed in claim 2, is characterized in that: described top layer is made by PVC.
4. composite multi-layer hollow building flat die plate as claimed in claim 3, is characterized in that: the thickness of composite multi-layer hollow building flat die plate is 12mm ~ 15mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510252216.1A CN104847105A (en) | 2015-05-18 | 2015-05-18 | Composite multi-layer hollow flat building template |
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| CN201510252216.1A CN104847105A (en) | 2015-05-18 | 2015-05-18 | Composite multi-layer hollow flat building template |
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| CN104847105A true CN104847105A (en) | 2015-08-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007005766U1 (en) * | 2007-04-19 | 2007-08-02 | Westag & Getalit Ag | Multi-layer scaffold plank |
| CN102364003A (en) * | 2011-10-27 | 2012-02-29 | 张锦 | Lightweight multi-layer plastic building template |
| CN102922838A (en) * | 2012-11-17 | 2013-02-13 | 中国化学工程第十四建设有限公司 | Three-layer coextruded PVC (polyvinylchloride) wood-plastic composite foam board and preparation method thereof |
| CN104278834A (en) * | 2014-10-14 | 2015-01-14 | 吉林吉电能源有限公司 | Two-in-one plastic-wooden composite building formwork |
-
2015
- 2015-05-18 CN CN201510252216.1A patent/CN104847105A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007005766U1 (en) * | 2007-04-19 | 2007-08-02 | Westag & Getalit Ag | Multi-layer scaffold plank |
| CN102364003A (en) * | 2011-10-27 | 2012-02-29 | 张锦 | Lightweight multi-layer plastic building template |
| CN102922838A (en) * | 2012-11-17 | 2013-02-13 | 中国化学工程第十四建设有限公司 | Three-layer coextruded PVC (polyvinylchloride) wood-plastic composite foam board and preparation method thereof |
| CN104278834A (en) * | 2014-10-14 | 2015-01-14 | 吉林吉电能源有限公司 | Two-in-one plastic-wooden composite building formwork |
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Application publication date: 20150819 |