CN103741855B - A kind of preparation method of composite light noggin piece - Google Patents
A kind of preparation method of composite light noggin piece Download PDFInfo
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- CN103741855B CN103741855B CN201410044401.7A CN201410044401A CN103741855B CN 103741855 B CN103741855 B CN 103741855B CN 201410044401 A CN201410044401 A CN 201410044401A CN 103741855 B CN103741855 B CN 103741855B
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- internal mold
- lightweight internal
- cement mortar
- lightweight
- glue mixture
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Abstract
A preparation method for composite light noggin piece, its step comprises: precast light internal mold; Fasten lightweight internal mold; Fixing lightweight internal mold; Mediation cement mortar glue mixture; Surface preparation, spreads upon the upper surface of lightweight internal mold by the cement mortar glue mixture of the semi-fluid condition be stirred; Blanketing fiberglass net; Surfacing, spreads upon soffit and the peripheral side of lightweight internal mold, covers glass fiber mesh by the cement mortar glue mixture of semi-fluid condition; Sclerosis maintenance, after the cement mortar glue mixture setting and hardening of soffit, upset lightweight internal mold, final cement mortar glue mixture forms inorganic composite bed at lightweight internal mold external surface.Composite light noggin piece preparation method of the present invention technological process is simple, convenient, reasonable, and the composite light noggin piece product structure adopting the present invention to produce is reasonable, production and transport convenient, it is convenient to construct.
Description
Technical field
The present invention relates to the preparation method of a kind of prefabricated building components in cast-in-place concrete hollow building roof, be specifically related to a kind of preparation method of composite light noggin piece.
Background technology
The progress of Building technology promotes the diversification of building structure, compared with traditional livability house, the building such as exhibition hall, sports palace, large-scale meeting-place, underground garage, megastore has the feature that span is large, the standard width of a room in an old-style house is large usually, the building structure of large span, large bay is meet the stressed demand of load, the usual thickness of slab of its floor slab structure is comparatively large, bearing beam is wider higher, therefore floor overall from great, concrete and amount of reinforcement more.Meeting under the stressed prerequisite of building, for alleviating the dead load of concrete floor better, control the deflection deformation of floor, save reinforcing bar, concrete simultaneously, to reduce building comprehensive cost, meet the requirement of low-carbon (LC), energy-saving and environmental protection, cast-in-place concrete hollow building roof arises at the historic moment based on a kind of like this demand of technology just.In large span, large bay building structure, compare with traditional solid superstructure, cast-in-situ hollow building roof have reduce floor height, alleviate deadweight, cost-saving, improve anti-seismic performance by force, etc. plurality of advantages.Therefore, in the existing long span building of China, cast-in-situ hollow building roof technology is widely used.
At present in cast-in-situ hollow building roof Practical Project, fill core and be divided into two classes, one class is hollow light-wall pipe, one class is hollow thin-wall box body; light-wall pipe and thin-wall box body adopt repaid hardening sulphoaluminate cement to make usually; adopt manual manufacture during production, weight is large, production efficiency is low, the setting and hardening time is long, and transport is inconvenient.For controlling to fill the overall weight of core; light-wall pipe and thin-wall box body need the thickness controlling wall as much as possible; simultaneously in order to strengthen the intensity of light-wall pipe or thin-wall box body; add the enhancement Layers such as glass fabric on the making material of wall; but due to wall integral thickness thinner; intensity is less, easily occurs external force breakage and cause waste product in making and transportation.Especially when cast-in-situ concrete, if the sidewall thickness of light-wall pipe or thin-wall box body is thinner, the larger side pressure that vibrating head and concrete produce easily causes filling casing breakage, after casing breakage, concrete flows in casing, add the deadweight of casing and building, also do not reach the object of saving building costs.
In view of the filling core in former hollow building cover technical field exists above many deficiencies, applicant researches and develops a kind of New Building Materials that adopt at ZL201220719812.8 and makes, product structure is reasonable, production and transport is convenient, composite light easily of constructing fills core (component), comprise lightweight internal mold and hard shell, wherein lightweight internal mold is solid (or hollow) polystyrene casing, hard shell is coated on the external surface of lightweight internal mold, hard shell is the inorganic composite bed formed on lightweight internal mold external surface after being coated in cement paste on lightweight internal mold or cement mortar sclerosis.In actual production process, when making this composite light noggin piece, after lightweight internal mold external surface wraps reinforce, directly cement mortar is smeared on the surface of exposing, after cement mortar to be applied is hardened substantially, turn again and smear residual surface, the time of production time consumption is longer, and applicant finds to adopt the method to make composite light noggin piece, the cement mortar of smearing is more liquid, and the things such as the reinforce glass fiber wrapped have stronger elasticity and ductility, be very easy to wrinkling cause painting wipe cement mortar come off or rise heap, cause product appearance uneven whole, even need to do over again and again smear, therefore a kind of technological process is researched and developed simple, convenient, rational composite light noggin piece preparation method, become the technical problem that this area is badly in need of solving.
Summary of the invention
The aforementioned technical problem that applicant exists to solve the existing filled core mould production method of cast-in-situ hollow building roof, have developed a kind of technological process simple, convenient, rational composite light noggin piece preparation method.
Technical scheme of the present invention is, a kind of preparation method of composite light noggin piece, and its step comprises: precast light internal mold, batch compacting polystyrene casing in machine tool; Fasten lightweight internal mold, two polystyrene casing aligned positions are fastened; Fixing lightweight internal mold, is wound around bonding with plastic colloidal cloth by the lightweight internal mold fastened; Be in harmonious proportion cement mortar glue mixture, in proportion resin glue and water Handheld mixer fully stirred fusion, then add cement and sand is stirred well to semi-fluid condition mixture; Surface preparation, spreads upon the upper surface of lightweight internal mold by the cement mortar glue mixture of the semi-fluid condition be stirred; Blanketing fiberglass net, the glass fiber mesh cut in advance is layered on the upper surface being coated with the lightweight internal mold wiping mixture, glass fiber mesh is pressed in cement mortar glue mixture, then pull glass fiber mesh the side of lightweight internal mold is wrapped comprehensively, overturn lightweight internal mold again, bond after full for glass fiber mesh covering post-tensioning is pulled even uniform by soffit; Surfacing, spreads upon soffit and the peripheral side of lightweight internal mold, covers glass fiber mesh by the cement mortar glue mixture of semi-fluid condition; Sclerosis maintenance, after the cement mortar glue mixture setting and hardening of soffit, upset lightweight internal mold, final cement mortar glue mixture forms inorganic composite bed at lightweight internal mold external surface.
The preparation method of a kind of composite light noggin piece of the present invention, wherein polystyrene lightweight internal mold adopts mechanization production, and the production efficiency of internal mold is high, speed is fast, less to artificial dependence, and overall product cost is low; Lightweight internal mold adopts two half of polystyrene casings to fasten, and can reduce the height of single casing, thus reduce the difficulty of production of machinery lightweight internal mold; The lightweight internal mold fastened plastic colloidal cloth is wound around bonding, and during surfacing, casing can not displacement, guarantees the regularity of casing; The cement mortar glue mixture be in harmonious proportion is in semi-fluid condition, both conveniently smears during surfacing, easily sticks to again glass fiber online, can not come off when upset is smeared; Surface preparation repaves after first smearing mixture and puts pressing glass fiber mesh, can accelerate surface-treated speed; After pretreatment, coverage enhancement thing bonds again, glass fiber mesh can be fixed smooth, when smearing again glass fiber mesh can not be out of shape, rebound, wrinkling, the mixture flat smooth smeared during surfacing, the hard shell finally formed is also smooth, neat, and globality better there will not be heap and come off.Therefore, the composite light noggin piece preparation method of technical solution of the present invention, technological process is simple, convenient, reasonable.And the composite light noggin piece adopting technical solution of the present invention to produce, there is the technique effects such as quality is light, product structure is reasonable, production and transport is convenient, simple and convenient safety of constructing, fireproof performance are good.
Detailed description of the invention
For more elaborating technical scheme of the present invention, the present invention is described in more detail below.
The preparation method of a kind of composite light noggin piece of the present invention, its role is to for produce a kind of adopt that New Building Materials are made, product structure is reasonable, production and transport is convenient, composite light noggin piece easily of constructing, this kind comprises lightweight internal mold and hard shell, wherein lightweight internal mold is solid (or hollow) polystyrene casing, casing is rectangular box, has the multiple external surface of upper surface, soffit, peripheral side.Hard shell is coated on the external surface of lightweight internal mold, and hard shell is the inorganic composite bed formed on lightweight internal mold external surface after being coated in the cement mortar glue mixture sclerosis on lightweight internal mold.
The preparation method of composite light noggin piece of the present invention, comprises the steps:
Precast light internal mold, batch compacting polystyrene casing in machine tool, the height of polystyrene casing is 1/2nd of lightweight internal mold overall height, by reducing the height of polystyrene casing, can accelerate the speed of polystyrene casing foaming in mould;
Fasten lightweight internal mold, two polystyrene casing aligned positions are fastened;
Fix lightweight internal mold, be wound around bonding with the lightweight internal mold that plastic colloidal cloth will fasten, the mode that plastic colloidal cloth can adopt individual pen to be wound around bonds, and also twoly can enclose decussation bonding;
Mediation cement mortar glue mixture, in proportion resin glue and water Handheld mixer are fully stirred fusion, add cement again and sand is stirred well to semi-fluid condition mixture, first agitating resin glue and water, add cement and sand again, its object is to prevent resin glue and cement from putting stirring meeting partial coagulation into bittiness simultaneously, the mixture of semi-fluid condition cannot be stirred into;
Surface preparation, spreads upon the upper surface of lightweight internal mold by the cement mortar glue mixture of the semi-fluid condition be stirred, smearing of mixture should be smooth, and thickness is advisable with 2-3 millimeter;
Blanketing fiberglass net, the glass fiber mesh cut in advance is layered on the upper surface being coated with the lightweight internal mold wiping mixture, glass fiber mesh is pressed in cement mortar glue mixture, then pull glass fiber mesh the side of lightweight internal mold is wrapped comprehensively, overturn lightweight internal mold again, bond after full for glass fiber mesh covering post-tensioning is pulled even uniform by soffit;
Surfacing, spreads upon soffit and the peripheral side of lightweight internal mold, covers glass fiber mesh by the cement mortar glue mixture of semi-fluid condition;
Sclerosis maintenance, after the cement mortar glue mixture setting and hardening of soffit, upset lightweight internal mold, final cement mortar glue mixture forms inorganic composite bed at lightweight internal mold external surface.
the preparation method of a kind of composite light noggin piece of the present invention, wherein polystyrene lightweight internal mold adopts mechanization production, and the production efficiency of internal mold is high, speed is fast, less to artificial dependence, and overall product cost is low; Lightweight internal mold adopts two half of polystyrene casings to fasten, and can reduce the height of single casing, thus reduce the difficulty of production of machinery lightweight internal mold; The lightweight internal mold fastened plastic colloidal cloth is wound around bonding, and during surfacing, casing can not displacement, guarantees the regularity of casing; The cement mortar glue mixture be in harmonious proportion is in semi-fluid condition, both conveniently smears during surfacing, easily sticks to again glass fiber online, can not come off when upset is smeared; Surface preparation repaves after first smearing mixture and puts pressing glass fiber mesh, can accelerate surface-treated speed; After pretreatment, coverage enhancement thing bonds again, glass fiber mesh can be fixed smooth, when smearing again glass fiber mesh can not be out of shape, rebound, wrinkling, the mixture flat smooth smeared during surfacing, the hard shell finally formed is also smooth, neat, and globality better there will not be heap and come off.Therefore, the composite light noggin piece preparation method of technical solution of the present invention, technological process is simple, convenient, reasonable.And the composite light noggin piece adopting technical solution of the present invention to produce, there is the technique effects such as quality is light, product structure is reasonable, production and transport is convenient, simple and convenient safety of constructing, fireproof performance are good.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that, still can modify to the specific embodiment of the present invention or equivalent replacement, and end departs from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1. a preparation method for composite light noggin piece, its step comprises: precast light internal mold, batch compacting polystyrene casing in machine tool; Fasten lightweight internal mold, two polystyrene casing aligned positions are fastened; Fixing lightweight internal mold, is wound around bonding with plastic colloidal cloth by the lightweight internal mold fastened; Be in harmonious proportion cement mortar glue mixture, in proportion resin glue and water Handheld mixer fully stirred fusion, then add cement and sand is stirred well to semi-fluid condition mixture; Surface preparation, spreads upon the upper surface of lightweight internal mold by the cement mortar glue mixture of the semi-fluid condition be stirred; Blanketing fiberglass net, the glass fiber mesh cut in advance is layered on the upper surface being coated with the lightweight internal mold wiping mixture, glass fiber mesh is pressed in cement mortar glue mixture, then pull glass fiber mesh the side of lightweight internal mold is wrapped comprehensively, overturn lightweight internal mold again, bond after full for glass fiber mesh covering post-tensioning is pulled even uniform by soffit; Surfacing, spreads upon soffit and the peripheral side of lightweight internal mold, covers glass fiber mesh by the cement mortar glue mixture of semi-fluid condition; Sclerosis maintenance, after the cement mortar glue mixture setting and hardening of soffit, upset lightweight internal mold, final cement mortar glue mixture forms inorganic composite bed at lightweight internal mold external surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410044401.7A CN103741855B (en) | 2014-02-06 | 2014-02-06 | A kind of preparation method of composite light noggin piece |
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| CN201410044401.7A CN103741855B (en) | 2014-02-06 | 2014-02-06 | A kind of preparation method of composite light noggin piece |
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| CN103741855A CN103741855A (en) | 2014-04-23 |
| CN103741855B true CN103741855B (en) | 2015-09-16 |
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| CN106149981B (en) * | 2015-03-31 | 2018-05-04 | 天津武铄科技有限公司 | A kind of lightweight member production method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11131743A (en) * | 1997-11-01 | 1999-05-18 | Fujimi Kogyo Kk | Joint reinforcing method of panel wall |
| CN1510230A (en) * | 2002-12-22 | 2004-07-07 | 邱则有 | Member for cast-in-situ steel reinforced concrete |
| CN201190367Y (en) * | 2008-01-15 | 2009-02-04 | 张颖 | Light foam material inner mold with reinforced flame-retardant layer |
| CN102134890A (en) * | 2011-01-19 | 2011-07-27 | 栾文彬 | Production method of composite box used for filling hollow floor |
| CN102747801A (en) * | 2012-07-20 | 2012-10-24 | 潘君 | Compound lightweight filling member |
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2014
- 2014-02-06 CN CN201410044401.7A patent/CN103741855B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11131743A (en) * | 1997-11-01 | 1999-05-18 | Fujimi Kogyo Kk | Joint reinforcing method of panel wall |
| CN1510230A (en) * | 2002-12-22 | 2004-07-07 | 邱则有 | Member for cast-in-situ steel reinforced concrete |
| CN201190367Y (en) * | 2008-01-15 | 2009-02-04 | 张颖 | Light foam material inner mold with reinforced flame-retardant layer |
| CN102134890A (en) * | 2011-01-19 | 2011-07-27 | 栾文彬 | Production method of composite box used for filling hollow floor |
| CN102747801A (en) * | 2012-07-20 | 2012-10-24 | 潘君 | Compound lightweight filling member |
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