CN100467809C - Light aggregate steel-wire-net reinforced concrete prefabricated member and its preparation method - Google Patents
Light aggregate steel-wire-net reinforced concrete prefabricated member and its preparation method Download PDFInfo
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- CN100467809C CN100467809C CNB2005100328962A CN200510032896A CN100467809C CN 100467809 C CN100467809 C CN 100467809C CN B2005100328962 A CNB2005100328962 A CN B2005100328962A CN 200510032896 A CN200510032896 A CN 200510032896A CN 100467809 C CN100467809 C CN 100467809C
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- steel
- haydite
- expanded perlite
- wire
- light aggregate
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Abstract
The invention relates to a light aggregate steel network strengthened concrete prefabricated element and relative preparation method. It comprises: a, preparing the material according to following volume proportion: the cement in 10-20%, the sand in 0-40% and the light aggregate in 40-90%; b, mixing the cement and the sand uniformly via mixer and adding light aggregate and water to be mixed into pulp; c, supporting the steel mold which can contain 1 or 2 sheets of steel network and filling the pulp into said steel mold to be vibrated and when pulp has been solidified, removing the mold to attain prefabricated element. The invention has reasonable raw material proportion, while the light aggregate is selected from ceramic particles and expansion pearlite, and it avoid using clay to strengthen the mechanical strength via adding the steel networks. It can apply the mechanical flow operation or semi-automatic operation, while it can save energy and protect environment, with heat, fire and sound insulation.
Description
Technical field
The invention belongs to lightweight prefabricated component manufacturing technology for building field, specifically is a kind of light aggregate steel-wire-net reinforced concrete prefabricated member and preparation technology thereof.
Background technology
It is the very big constructional materials of a kind of consumption that mud burns common brick, and it adopts the clay burning process, and energy consumption height, interrelated data show that employing common brick building materials country will lose about 7,000,000 mu of farmland every year, and the heavier building costs that causes of common brick increases in addition.In order to protect valuable land resources, protection is ecological, and national explicit order forbids to use mud burning common brick to do constructional materials, encourages to use the prefabricated building materials of lightweight.
Prefabricated building materials of existing lightweight such as sintered hollow block, Autoclaved aerated concrete blocks and pumice stone concrete building block etc., their deficiency are or unit weight is big or the big or sticking grey poor performance of heat conduction system.The sintering grow pearlite brick of application number 93107984.5 is a raw material by expansion swelling perlite powder and clay, adds water stirring, moulding, kiln-firing and forms.The unit weight of this sintering grow pearlite brick reduces to some extent, but the consumption of its clay is 2.2～5 times of swelling perlite powder, still needs to use a large amount of clays.
Summary of the invention
For overcoming the problems referred to above that prior art exists, the invention provides a kind of light aggregate steel-wire-net reinforced concrete prefabricated member and preparation method thereof, it adopts lightweight aggregate, cement and sand to make, and does not need clay, avoids the waste of valuable land resources.
Light aggregate steel-wire-net reinforced concrete prefabricated member preparation method of the present invention is following realization, and it comprises:
A, by getting the raw materials ready with the lower volume per distribution ratio, cement 10～20%, sand 24～40%, lightweight aggregate 40～64%, described lightweight aggregate are haydite or expanded perlite or expanded perlite and haydite, wherein, the dry density of expanded perlite is 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm;
B, with cement and sand mixer mixing and stirring, add lightweight aggregate and water again and fully stir into slurry, wherein, the addition of water is 100Kg～200Kg/m
3
C, install punching block, can place 1 or 2 steel fabric sheet in the punching block that installs, the slurry of step b preparation is injected punching block, moulding is smash in shake, through treated in 10～15 hours slurry solidify after the demoulding prefabricated component.
When lightweight aggregate comprised expanded perlite and haydite, the percent by volume of these two kinds of compositions was respectively: expanded perlite 5～95%, haydite 5～95%.
Can add 107 glue in step b, the addition of 107 glue is 50～70kg/m
3
Can add early strength admixture in step b, the addition of early strength admixture is 0.5～3kg/m
3
Can add 107 glue and early strength admixture in step b, the addition of 107 glue is 50～70kg/m
3, the addition of early strength admixture is 0.5～3kg/m
3Above-mentioned early strength admixture adopts calcium chloride, or six water alchlors, or sal glauberi, or anhydrous sodium sulfate or the like.
The light aggregate steel-wire-net reinforced concrete prefabricated member that the inventive method makes is made of concrete, coat one deck steel fabric sheet at least in the described concrete, described concrete in the composition of percent by volume is: cement 10～20%, sand 24～40%, lightweight aggregate 40～64%, described lightweight aggregate is haydite or expanded perlite or expanded perlite and haydite, and wherein, the dry density of expanded perlite is 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm.
The hollow prefabricated component of light aggregate steel-wire-net reinforced concrete of the present invention is made of concrete, the cavity that has perforation in the described concrete, coat two-layer steel fabric sheet in the concrete, two steel fabric sheets are distributed in the both sides of described cavity, and concrete in the composition of percent by volume is: cement 10～20%, sand 24～40%, lightweight aggregate 40～64%, described lightweight aggregate is haydite or expanded perlite or expanded perlite and haydite, and wherein, the dry density of expanded perlite is 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm.
Light aggregate steel-wire-net reinforced concrete prefabricated member of the present invention is to meet new generation of environment protection constructional materials energy-conservation, non-clay, and is in light weight, has special performances such as heat insulation, fire-resistant, sound insulation, firmer than common fragment of brick, body of wall.Can be widely used in the ground of indoor and outdoor body of wall, thermal insulation of roof, bed hedgehopping antistatic,, have wide development space and economic worth so that bury aspects such as pipeline.
Technology of the present invention has clear improvement and new breakthrough than prior art, reasonable raw material proportioning, do not use clay, lightweight aggregate adopts haydite, expanded perlite etc., the lightweight aggregate proportioning brings up to 40～90%, increase steel fabric sheet mechanical strength is increased, be suitable for mechanized continuous productive process or semiautomatic working.
Description of drawings
A kind of structure of steel die schematic diagram that Fig. 1 uses for the present invention;
The solid prefabricated component schematic diagram of Fig. 2 for adopting Fig. 1 punching block to make;
Fig. 3 is the structure of steel die schematic diagram of the another kind of cored bar of the present invention's use;
The large-size hollow prefabricated component schematic diagram of Fig. 4 for adopting Fig. 3 punching block to make.
The specific embodiment
The present invention is further described below in conjunction with embodiment.
Embodiment 1: adopt cement, sand, expanded perlite (being lightweight aggregate) preparation light aggregate steel-wire-net reinforced concrete prefabricated member.
A, by getting the raw materials ready with the lower volume per distribution ratio, cement 15%, sand 30%, expanded perlite 55%, cement are 500
#Cement, the dry density of expanded perlite can be 120Kg/m
3, particle diameter is 0.01～5mm; Sand is that common building is with husky.
B, with cement and sand with 0.1～0.3m3 mortar mixer mixing and stirring, add expanded perlite and water again and fully stir into slurry, wherein the addition of water is 150Kg/m
3
Can add 107 glue for increasing caking property in slurry, the addition of 107 glue is 60kg/m
3
Also can add early strength admixture in slurry, the addition of early strength admixture is 1.5kg/m
3
Can also add 107 glue and early strength admixture in slurry simultaneously, the addition of 107 glue is 50kg/m
3, the addition of early strength admixture is 2kg/m
3Early strength admixture adopts calcium chloride (CaCl
2), or six water alchlor (AlCl
26H
2Or sal glauberi (Na O),
2SO
410H
2Or anhydrous sodium sulfate (Na O),
2SO
4) etc.
C, install punching block, can place 1 or 2 steel fabric sheet in the punching block that installs, the slurry of step b preparation is injected punching block, moulding is smash in shake, through treated in about 10 hours slurry solidify after the demoulding prefabricated component.
The solid prefabricated component of a kind of light aggregate steel-wire-net reinforced concrete (being building block) that Fig. 2 makes for embodiment 1, this solid prefabricated component is made of concrete, coat one deck steel fabric sheet at least in the described concrete, described concrete in the composition of percent by volume is: cement 15%, sand 30%, expanded perlite 55%.The length and width of this building block and height can be respectively about 400～600mm, 75～150mm, 200mm.
A kind of structure of steel die schematic diagram that Fig. 1 embodiment 1 uses, punching block has a plurality of rectangle die cavitys, is fit to and continuous productive process or semiautomatic working.When the less prefabricated component of manufactured size, in the punching block steel fabric sheet can be set, intensity also can reach instructions for use.
Embodiment 2: adopt cement, sand, haydite (being lightweight aggregate) to make light aggregate steel-wire-net reinforced concrete prefabricated member.
A, by getting the raw materials ready with the lower volume per distribution ratio, cement 12%, sand 24%, haydite 64%, cement are 500
#Cement, sand are common building sand, and haydite adopts cultures the haydite that the flowers water conservation is used, and the dry density of haydite is 200Kg/m
3Or 300Kg/m
3, particle diameter is 2～50mm;
B, with cement and sand mixer mixing and stirring, add haydite, 107 glue, early strength admixture and water again and fully stir into slurry, wherein, the addition of water is 180Kg/m
3, the addition of 107 glue is 50kg/m
3, the addition of early strength admixture is 2.5kg/m
3, early strength admixture adopts calcium chloride, or six water alchlors etc.;
C, install punching block, place 1 or 2 steel fabric sheet in the punching block that installs, the slurry of step b preparation is injected punching block, moulding is smash in shake, through treated in about 12 hours slurry solidify after the demoulding prefabricated component.
The solid prefabricated component that embodiment 2 makes (being building block) is made of concrete, coat one deck steel fabric sheet at least in the described concrete, described concrete in the Main Ingredients and Appearance of percent by volume is: 107 glue and the early strength admixture solid of cement 12%, sand 24%, haydite 64% and trace.
Embodiment 3: adopt cement, sand, haydite, expanded perlite to make the hollow prefabricated component of light aggregate steel-wire-net reinforced concrete.
A, by getting the raw materials ready with the lower volume per distribution ratio, cement 12%, sand 35%, expanded perlite 28%, haydite 25%, cement are 525
#Cement, sand are that common building is with husky; The dry density of expanded perlite can be 120Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 300Kg/m
3, particle diameter is 2～30mm;
B, with cement and sand mixer mixing and stirring, add haydite, expanded perlite, 107 glue, early strength admixture and water again and fully stir into slurry, wherein, the addition of water is 120Kg/m
3, the addition of 107 glue is 70kg/m
3, the addition of early strength admixture is 1kg/m
3, early strength admixture adopts sal glauberi, or anhydrous sodium sulfate etc.; In step, also can not add 107 glue and early strength admixture.
C, install the punching block of cored bar shown in Figure 3, place steel fabric sheet in the punching block bottom surface that installs, available cement mortar smear bottom surface and punching block around, the root plug is placed through in the mould that installs, the slurry of step b preparation is injected punching block, and shake is smash, and is placing another sheet steel fabric sheet at surface layer, moulding is smash in shake, treats that after the slurry initial set be that collapsible die becomes prefabricated component; Also can after natural curing is about 30 days, use again.
A kind of light aggregate steel-wire-net reinforced concrete hollow pre-fabricated panels that Fig. 4 makes for embodiment 3, it is made of concrete, the cavity that has perforation in the described concrete, coat two-layer steel fabric sheet in the concrete, two steel fabric sheets are distributed in the both sides of described cavity, and concrete in the composition of percent by volume is: cement 12%, sand 35%, expanded perlite 28% and haydite 25%.The length and width of this hollow pre-fabricated panels and height can be respectively 1000～2400mm, 75～150mm, 400～600mm.During construction, adopt connector that precast plate and body of wall are connected and fixed and get final product.When being used for big metope, this precast plate can use with the connector interconnection.
Fig. 3 is a kind of structure of steel die schematic diagram of cored bar, and punching block comprises two vertical edge frames 1 and two horizontal edge frames 2, has some plug via holes 3 on two horizontal edge frames 2, and each root plug 4 can be placed through in the corresponding plug via hole 3 on the horizontal edge frame.
When lightweight aggregate of the present invention comprised expanded perlite and haydite, the percent by volume of these two kinds of compositions was respectively: expanded perlite 5～95%, haydite 5～95%.The dry density of above-mentioned expanded perlite can be 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm.
Embodiment 4: adopt cement, expanded perlite etc. to make lightweight aggregate and strengthen concrete precast element.
A, percentage outfit by volume 500
#Cement and expanded perlite, cement are 10%, and expanded perlite is 90%, and the dry density of expanded perlite can be 250Kg/m
3Or 70Kg/m
3, particle diameter is 0.01～5mm.
B, cement, expanded perlite, water and 107 glue are added mixer be mixed into slurry, wherein the addition of water is 150Kg/m
3, the addition of 107 glue is 50kg/m
3Also can add early strength admixture in slurry, the addition of early strength admixture is 2kg/m
3Early strength admixture adopts calcium chloride, or six water alchlors, or sal glauberi, or anhydrous sodium sulfate etc.
C, install punching block, the slurry of step b preparation is injected punching block, moulding is smash in shake, treat slurry solidify the back demoulding prefabricated component.
The prefabricated component of embodiment 4 is made of expanded perlite and cement, and weight alleviates greatly, and mechanical strength can satisfy instructions for use, can be used as uses such as roof insulating slab.
The blue brick series of products of light aggregate steel-wire-net reinforced concrete prefabricated member commodity of the present invention light high-amplitude wave by name are having more competitive advantage than like product through relevant department's test products aspect bulk density and the compressive resistance, and test the results are shown in Table 1, table 2.
Table 1
Table 2
Claims (8)
1, light aggregate steel-wire-net reinforced concrete prefabricated member preparation method is characterized in that may further comprise the steps:
A, by getting the raw materials ready with the lower volume per distribution ratio, cement 10～20%, sand 24～40%, lightweight aggregate 40～64%, described lightweight aggregate are haydite or expanded perlite or expanded perlite and haydite, wherein, the dry density of expanded perlite is 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm;
B, with cement and sand mixer mixing and stirring, add lightweight aggregate and water again and fully stir into slurry, wherein, the addition of water is 100Kg～200Kg/m
3
C, install punching block, the slurry of step b preparation is injected punching block, moulding is smash in shake, treat slurry solidify the back demoulding prefabricated component.
2, according to the light aggregate steel-wire-net reinforced concrete prefabricated member preparation method of claim 1, it is characterized in that: add 107 glue and early strength admixture in step b, the addition of 107 glue is 50～70kg/m
3, the addition of early strength admixture is 0.5～3kg/m
3
3, according to the light aggregate steel-wire-net reinforced concrete prefabricated member preparation method of claim 1 or 2, it is characterized in that: when lightweight aggregate comprises expanded perlite and haydite, the percent by volume of these two kinds of compositions is respectively: expanded perlite 5～95%, haydite 5～95%.
4, according to the light aggregate steel-wire-net reinforced concrete prefabricated member preparation method of claim 2, it is characterized in that: described early strength admixture adopts calcium chloride, or six water alchlors, or sal glauberi, or anhydrous sodium sulfate.
5, according to the light aggregate steel-wire-net reinforced concrete prefabricated member preparation method of claim 1, it is characterized in that: inject before the slurry, in the punching block that installs, place 1 or 2 steel fabric sheet.
6, according to the light aggregate steel-wire-net reinforced concrete prefabricated member preparation method of claim 1, it is characterized in that: inject before the slurry, some plugs are placed through in the mould that installs, in mould, place 1 or 2 steel fabric sheet simultaneously.
7, light aggregate steel-wire-net reinforced concrete prefabricated member, constitute by concrete, it is characterized in that coating in the described concrete one deck steel fabric sheet at least, described concrete in the composition of percent by volume is: cement 10～20%, sand 24～40%, lightweight aggregate 40～64%, described lightweight aggregate are haydite or expanded perlite or expanded perlite and haydite, wherein, the dry density of expanded perlite is 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm.
8, the hollow prefabricated component of light aggregate steel-wire-net reinforced concrete, constitute by concrete, it is characterized in that having in the described concrete cavity of perforation, coat two-layer steel fabric sheet in the concrete, two steel fabric sheets are distributed in the both sides of described cavity, concrete in the composition of percent by volume is: cement 10～20%, sand 24～40%, lightweight aggregate 40～64%, described lightweight aggregate is haydite or expanded perlite or expanded perlite and haydite, wherein, the dry density of expanded perlite is 70Kg～900Kg/m
3, particle diameter is 0.01～5mm; The dry density of haydite is 200Kg～1300Kg/m
3, particle diameter is 2～50mm.
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| CNB2005100328962A CN100467809C (en) | 2005-01-19 | 2005-01-19 | Light aggregate steel-wire-net reinforced concrete prefabricated member and its preparation method |
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| CN100467809C true CN100467809C (en) | 2009-03-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101172884B (en) * | 2006-11-02 | 2012-07-04 | 天臣实业有限公司 | Porcelain granule building material and process for manufacturing the same |
| CN102261158A (en) * | 2011-05-24 | 2011-11-30 | 中国建筑科学研究院 | Building composite board |
| CN102581920A (en) * | 2012-03-21 | 2012-07-18 | 福建奥邦建材有限公司 | Production method of light wallboard |
| CN102962890A (en) * | 2012-11-06 | 2013-03-13 | 张息清 | Preparation process of ceramsite concrete slab |
| RU2671984C2 (en) * | 2013-07-29 | 2018-11-08 | Силз Текнолоджи Пти Лтд | Composite structure material |
| CN107938928A (en) * | 2017-12-30 | 2018-04-20 | 贵州浙黔钢结构有限公司 | A kind of assembled light composite floor and preparation method thereof |
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2005
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