CN104631697A - Prefabricated wallboard of multifunctional green building - Google Patents

Prefabricated wallboard of multifunctional green building Download PDF

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Publication number
CN104631697A
CN104631697A CN201310566913.5A CN201310566913A CN104631697A CN 104631697 A CN104631697 A CN 104631697A CN 201310566913 A CN201310566913 A CN 201310566913A CN 104631697 A CN104631697 A CN 104631697A
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China
Prior art keywords
reinforced concrete
green building
concrete floor
multifunctional green
layer
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Pending
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CN201310566913.5A
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Chinese (zh)
Inventor
周建民
司远
蒲师钰
杨扬
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Tongji University
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Tongji University
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Priority to CN201310566913.5A priority Critical patent/CN104631697A/en
Publication of CN104631697A publication Critical patent/CN104631697A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a prefabricated wallboard of a multifunctional green building. The prefabricated wallboard comprises a reinforced concrete layer positioned at the indoor side, a calcium silicate board layer positioned at the outdoor side, and a polyphenyl granule layer positioned between the reinforced concrete layer and the calcium silicate board layer; reinforcing steel bars are arranged in the reinforced concrete layer; FRP (Fiber Reinforce Plastic) ribs are arranged in the reinforced concrete layer and the polyphenyl granule layer. Compared with the prior art, the prefabricated wallboard has the advantages of being good in heat and sound insulation performances, high in strength, convenient to construct, and recyclable in materials.

Description

Multifunctional green building prefabrication wallboard
Technical field
The present invention relates to a kind of prefabricated panel, especially relate to a kind of multifunctional green building prefabrication wallboard.
Background technology
Product identical with this patent does not at home and abroad have at present, only has following several architectural exterior insulation or inside holding wallboard, but owing to all not considering the requirement of building green, and there is a lot of defect.
About the wallboard of architectural exterior insulation layer, be mostly adopt external labeling type heat-insulation wall plate.It is after external wall has been constructed, by insulation layer outside plug-in or outer subsides and concrete panel, to reach the object of thermal insulation.The wallboard of this form, mainly there is following defect: 1) in heat-insulating property, be corroded because external thermal insulation is exposed in the air of building external for a long time, to such an extent as to insulation layer comes off or heat-insulating property declines, cause each certain time limit of insulation layer needs to be changed once, be unfavorable for the requirement of green building sustainable development; 2) in form of structure, this kind of wallboard is separated with agent structure, causes the construction period long, and expense of taking a lot of work is expected; 3), on fire resistance, traditional non-constant of heat insulating material fire resistance, is easy to cause building fire, causes the loss of lives and properties in work progress; 4) in intensity, the intensity of its insulation layer is very low, and applying to exterior wall has very large mechanical deficiencies; 5) in combination property, ununified other requirements considering green building, function singleness.
, although it achieves wallboard and insulation layer unites two into one, also there is following defect while solving insulation layer endurance issues: 1) on wallboard weight, owing to there is double layer concrete layer, add the weight of wallboard in another kind of self-heat preserving assembly type wallboard; 2) on computation schema, this kind of wallboard is not analyzed according to composite plate, causes thickness of wall body to become large, increases financial cost; 3) in combination property, ununified other requirements considering green building, function singleness.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of multifunctional green building prefabrication wallboard is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of multifunctional green building prefabrication wallboard, comprise the reinforced concrete floor in indoor, the calcium silicates flaggy in outside and the granular polystyrene layer between reinforced concrete floor and calcium silicates flaggy, be provided with reinforcing bar in described reinforced concrete floor, in described reinforced concrete floor and granular polystyrene layer, be provided with FRP muscle.
Reinforcing bar in reinforced concrete floor is the steel mesh reinforcement of crisscross setting.
Described reinforcing bar is cold-rolled ribbed CRB550 level reinforcing bar.
Described FRP muscle is through once bending, and form triangular structure, two end is positioned at reinforced concrete floor, is fixedly connected with the reinforcing bar in reinforced concrete floor, and the bending part of FRP muscle is in granular polystyrene layer.
Described FPR muscle is provided with many, is uniformly distributed in wallboard.
Described granular polystyrene layer is mixed by expanded polystyrene particle, expanded perlite and cement mortar.
Described calcium silicates flaggy is by being undertaken bonding with between granular polystyrene layer by colloidal materials.
In described granular polystyrene layer, the weight ratio of composition is: expanded polystyrene particle 50%, expanded perlite 10%, cement mortar 40%.
Compared with prior art, the present invention has the following advantages:
One, sound insulation property is good: utilize the sandwich constructions such as granular polystyrene due to the present invention, noise is after multifunctional green building prefabrication wallboard imports indoor into, sound insulation property can reach about 50dB, and this exceeds more than 20dB than traditional construction wall, and sound passes to indoor and also forms excellent sound field.
Two, thermal and insulating performance is strong: due to the effect of granular polystyrene, and monomer whose thermal transmittance can reach about 0.17, makes wallboard complex heat transfer coefficient drop to less than 0.8, this reduces about one times than traditional heat-preserving wall, really realize building heat preservation heat insulation, reduce air conditioner load, save the energy.
Three, body of wall self-strength is high: because steel concrete is in the effect of internal layer; can moment of flexure opposing external loads in effectively formation; also indoor impact load can be resisted; this fundamentally changes it for the low restriction of intensity during exterior wall; and outside calcium silicate layer can protect granular polystyrene layer, strengthen its durability.
Four, easy construction: because the present invention is prefabricated panel, therefore after plant produced processing, the scene that is transported to directly lifts.Its work progress is simple and easy, realizes building structure industrialization, accelerates rate of progress of the construction, reduces the duration.
Five, closed matereial cycle: because the granular polystyrene layer in the present invention is made up of the industrial wastes such as foam, expanded perlite and cement mortar and waste residue, therefore at material cocycle utilization and efficiency utilization, from the requirement truly meeting building greenization, achieve the sustainable development of building.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Label declaration: 1, reinforced concrete floor, 2, granular polystyrene layer, 3, calcium silicates flaggy, 4, reinforcing bar, 5, FRP muscle, 6, indoor, 7, outdoor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of multifunctional green building prefabrication wallboard, comprises the reinforced concrete floor 1 in indoor, the calcium silicates flaggy 3 in outside and the granular polystyrene layer 2 between reinforced concrete floor 1 and calcium silicates flaggy 3.By arranging two-layer crisscross reinforcing bar 4, the webbed ruggedized construction of shape in reinforced concrete layer 1, and this reinforcing bar adopts cold-rolled ribbed CRB550 level reinforcing bar.Therefore wallboard of the present invention improves a lot in durability and intensity, moment of flexure opposing external loads is effectively formed by the resistance to compression of reinforcing bar 4 tension in reinforced concrete floor 1 and calcium silicates flaggy 3, by reinforced concrete floor and steel mesh reinforcement opposing accidental impact load, and strengthen its resistance to corrosion by calcium silicates flaggy, improve durability.
In addition, equally distributed many FRP muscle 5 are provided with in reinforced concrete floor 1 and granular polystyrene layer 2, every root FRP muscle 5 is through once bending, form triangular structure, two end is positioned at reinforced concrete floor 1, be fixedly connected with the reinforcing bar 4 in reinforced concrete floor, the bending part of FRP muscle is in granular polystyrene layer 3.
The sound insulation of body of wall and heat insulationly to realize mainly through granular polystyrene layer 2, this layer is mixed by expanded polystyrene particle, expanded perlite and cement mortar, and its weight ratio is: expanded polystyrene particle 50%, expanded perlite 10%, cement mortar 40%.In theoretical analytic process, acoustics wave theory is adopted to carry out studying and calculating, when noise is by body of wall, absorb by sandwich construction, particularly granular polystyrene layer, the comprehensive sound-insulation capability of body of wall reaches about 50dB, after noise passes through body of wall, in the sound field that indoor formation is excellent.Adopt calorifics response factors method to carry out studying and calculating, when hot-fluid is by body of wall, mainly absorb by granular polystyrene layer, the complex heat transfer coefficient of body of wall can be reduced to less than 0.8, and wherein FRP muscle effectively can completely cut off the formation of heat bridge.
During construction, first fixing and colligation cold-rolled ribbed CRB550 level reinforcing bar 4 forms the reinforced mesh of double-layer double-direction, and FRP muscle 5 is fixed on reinforced mesh forms skeleton; Secondly formwork supporting plate builds granular polystyrene layer 2, and vibration compacting; Then calcium silicates flaggy 3 and granular polystyrene layer 2 are bondd with colloidal materials; Last is one side masterplate with granular polystyrene layer 2, and another side wooden form concreting, forms reinforced concrete floor 1 with reinforcing bar, and vibration compacting.
Because wallboard of the present invention adopts the prefabricated construction of assembling completely at work progress.This precast wall body, after produce in factory processing, can transport directly to job site and lift.From being fabricated into, the whole work progress of lifting is simple and convenient, construction wall is made and installs industrialization, operation, consistent with national fabricated construction developing direction.

Claims (8)

1. a multifunctional green building prefabrication wallboard, it is characterized in that, comprise the reinforced concrete floor in indoor, the calcium silicates flaggy in outside and the granular polystyrene layer between reinforced concrete floor and calcium silicates flaggy, be provided with reinforcing bar in described reinforced concrete floor, in described reinforced concrete floor and granular polystyrene layer, be provided with FRP muscle.
2. a kind of multifunctional green building prefabrication wallboard according to claim 1, it is characterized in that, the reinforcing bar in reinforced concrete floor is the steel mesh reinforcement of crisscross setting.
3. a kind of multifunctional green building prefabrication wallboard according to claim 1 and 2, is characterized in that, described reinforcing bar is cold-rolled ribbed CRB550 level reinforcing bar.
4. a kind of multifunctional green building prefabrication wallboard according to claim 1, it is characterized in that, described FRP muscle is through once bending, form triangular structure, two end is positioned at reinforced concrete floor, be fixedly connected with the reinforcing bar in reinforced concrete floor, the bending part of FRP muscle is in granular polystyrene layer.
5. a kind of multifunctional green building prefabrication wallboard according to claim 1 or 4, it is characterized in that, described FPR muscle is provided with many, is uniformly distributed in wallboard.
6. a kind of multifunctional green building prefabrication wallboard according to claim 1, it is characterized in that, described granular polystyrene layer is mixed by expanded polystyrene particle, expanded perlite and cement mortar.
7. a kind of multifunctional green building prefabrication wallboard according to claim 1, is characterized in that, described calcium silicates flaggy is by being connected by colloidal materials with between granular polystyrene layer.
8. a kind of multifunctional green building prefabrication wallboard according to claim 6, it is characterized in that, in described granular polystyrene layer, the weight ratio of composition is: expanded polystyrene particle 50%, expanded perlite 10%, cement mortar 40%.
CN201310566913.5A 2013-11-14 2013-11-14 Prefabricated wallboard of multifunctional green building Pending CN104631697A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442743A (en) * 2015-11-10 2016-03-30 无锡阿炯创意科技有限公司 Portable environment-friendly household bearing wallboard
CN105604239A (en) * 2015-12-28 2016-05-25 宁波工程学院 Foam concrete function gradient composite board and preparing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914942A1 (en) * 1989-05-06 1990-11-15 Albert Bruno Rapp Building structural element - has thermal insulating panel which forms shuttering for attached reinforced concrete panel
CN1288096A (en) * 1999-09-11 2001-03-21 郝树义 Method for mfg. sandwich structure light wt. wall plate and its inner layer mixed mortar
CN201011036Y (en) * 2007-02-15 2008-01-23 黄垤树 Light heat insulating and heat preserving cement plate
CN101608488A (en) * 2009-06-11 2009-12-23 浙江大学 Structure self-heat-insulation concrete wall plate and preparation method thereof
CN201991128U (en) * 2011-01-21 2011-09-28 东莞市东上板业有限公司 Heat-insulating calcium-silicate board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914942A1 (en) * 1989-05-06 1990-11-15 Albert Bruno Rapp Building structural element - has thermal insulating panel which forms shuttering for attached reinforced concrete panel
CN1288096A (en) * 1999-09-11 2001-03-21 郝树义 Method for mfg. sandwich structure light wt. wall plate and its inner layer mixed mortar
CN201011036Y (en) * 2007-02-15 2008-01-23 黄垤树 Light heat insulating and heat preserving cement plate
CN101608488A (en) * 2009-06-11 2009-12-23 浙江大学 Structure self-heat-insulation concrete wall plate and preparation method thereof
CN201991128U (en) * 2011-01-21 2011-09-28 东莞市东上板业有限公司 Heat-insulating calcium-silicate board

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442743A (en) * 2015-11-10 2016-03-30 无锡阿炯创意科技有限公司 Portable environment-friendly household bearing wallboard
CN105604239A (en) * 2015-12-28 2016-05-25 宁波工程学院 Foam concrete function gradient composite board and preparing method thereof
CN105604239B (en) * 2015-12-28 2018-04-20 宁波工程学院 A kind of foam concrete functionally gradient composite plate and preparation method thereof

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Application publication date: 20150520

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