CN106760001B - Outer wall structure of building - Google Patents
Outer wall structure of building Download PDFInfo
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- CN106760001B CN106760001B CN201611056320.4A CN201611056320A CN106760001B CN 106760001 B CN106760001 B CN 106760001B CN 201611056320 A CN201611056320 A CN 201611056320A CN 106760001 B CN106760001 B CN 106760001B
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- electromagnetic wave
- wave absorbing
- wall structure
- conducting period
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
-
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00258—Electromagnetic wave absorbing or shielding materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B2001/925—Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Building Environments (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of outer wall structure of building, are related to technical field of buildings, main purpose is that electromagnetic wave is entered sufficiently into without reflecting in exterior wall surface inside electromagnetic wave absorbent material, to improve the electromagnetic wave absorption effect of external wall.Main technical schemes of the invention are as follows: the outer wall structure of building includes wall basic level；Electromagnetic wave absorbing layer, the electromagnetic wave absorbing layer have opposite first surface and second surface, and the first surface fits on the outer surface of the wall basic level；Property conducting period scrim layer, the property conducting period scrim layer fit on the second surface.Present invention is mainly used for the electromagnetic wave absorption effects for improving external wall.
Description
Technical field
The present invention relates to technical field of buildings more particularly to a kind of outer wall structure of building.
Background technique
Electromagnetic pollution has become the fourth-largest environmental pollution after water pollution, air pollution and noise pollution, electromagnetism spoke
Component part of the environment as architectural physics environment is penetrated, has direct influence to the physical and mental health and life comfort of people, and
A kind of effective ways for weakening the electromagnetic radiation pollution of space are to be inhaled using electro-magnetic wave absorption construction material using electromagnetic wave
The electromagnetic consumable characteristic for receiving material converts the energy of thermal energy or other forms for electromagnetic energy and loses, and reaches improvement building
The purpose of space electromagnetic environment.In the prior art, it usually realizes and weakens in the external application electromagnetic wave absorbent material of external wall
The purpose of the electromagnetic radiation pollution of space.
However, due to the impedance of air and the impedance mismatch of wall, so that being incident to one in the electromagnetic wave of surface of wall
Part is reflected in surface of wall, and cannot adequately be entered inside electromagnetic wave absorbent material, so as to cause external wall
Electromagnetic wave absorption it is ineffective.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of outer wall structure of building, main purpose is that electromagnetic wave is filled
Ground is divided to enter inside electromagnetic wave absorbent material without reflecting in exterior wall surface, to improve the electromagnetic wave absorption of external wall
Effect.
In order to achieve the above objectives, present invention generally provides following technical solutions:
The embodiment of the invention provides a kind of outer wall structure of building, comprising:
Wall basic level；
Electromagnetic wave absorbing layer, the electromagnetic wave absorbing layer have opposite first surface and second surface, first table
Face paste is together on the outer surface of the wall basic level；
Property conducting period scrim layer, the property conducting period scrim layer fit on the second surface.
Further, which further includes insulating layer, and the insulating layer is set to the electromagnetic wave absorbing layer
Between the property conducting period scrim layer, the property conducting period scrim layer fits in described by the insulating layer
On two surfaces.
Specifically, the electromagnetic wave absorbing layer with a thickness of 3-50mm, the insulating layer with a thickness of 5-120mm.
Further, which further includes the first decorative mortar layer and the second decorative mortar positioned opposite
Layer；
The property conducting period scrim layer be set to the first decorative mortar layer and the second decorative mortar layer it
Between, the property conducting period scrim layer fits in the second surface by the first decorative mortar layer and the insulating layer
On.
Further, which further includes polymer latex pulp layer, and the polymer latex pulp layer is set to described
Between electromagnetic wave absorbing layer and the insulating layer, the property conducting period scrim layer passes through the first decorative mortar layer, institute
It states insulating layer and the polymer latex pulp layer fits on the second surface.
Specifically, the conductivity of the property conducting period scrim layer is 10-4-10S/cm。
Specifically, the mesh side length of the property conducting period scrim layer is 4-15mm.
Specifically, the second surface of the electromagnetic wave absorbing layer is painted with interface agent layer.
Specifically, the electromagnetic wave absorbing layer is made of electro-magnetic wave absorption mortar.
Specifically, the electromagnetic wave absorbing layer includes following component by percentage to the quality: cement 40-80%, lightweight aggregate
5-30%, filler 10-50%, wave absorbing agent 3-40%, reinforcing fiber 0-4%, water-retaining agent 0.5-4% and rubber powder 0-3%；
Wherein, the wave absorbing agent is one of graphite powder, carbon black, carbon fiber, steel fibre and ferrite powder or a variety of
Combination, the lightweight aggregate are one of expanded perlite, vermiculite and zeolite or a variety of combinations, and the filler is for grey calcium and again
The combination of one or both of calcium, the reinforcing fiber are that vinal, polypropylene fibre, glass fibre or basalt are fine
Dimension, the water-retaining agent are hydroxypropyl methyl cellulose, and the rubber powder is polymer dispersion powder.
By above-mentioned technical proposal, outer wall structure of building of the present invention is at least had the advantages that
Outer wall structure of building provided in an embodiment of the present invention sets gradually electro-magnetic wave absorption by the outside in wall basic level
Layer and property conducting period scrim layer improve this so that electromagnetic wave absorbing layer and property conducting period scrim layer cooperate
The electromagnetic wave absorption effect of outer wall structure of building, specifically: pass through the periodic structure and conduction of property conducting period scrim layer
Property adjust the input impedance of electromagnetic wave absorbing layer, so that the impedance of its input impedance and air is matched, so that conductive week
Phase property scrim layer can guide electromagnetic waves enter sufficiently into inside electromagnetic wave absorbing layer and no longer exterior wall surface reflects, into
And improve the electromagnetic wave absorption effect of external wall.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of outer wall structure of building provided in an embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to the specific embodiment for the outer wall structure of building applied according to the present invention, structure, feature and its function
Effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As shown in Figure 1, the embodiment of the invention provides a kind of outer wall structure of building, including wall basic level 1；Electro-magnetic wave absorption
Layer 2, the electromagnetic wave absorbing layer 2 have opposite first surface and second surface, and first surface fits in the appearance of wall basic level 1
On face；Property conducting period scrim layer 3, the property conducting period scrim layer 3 fit on second surface, wherein conduction week
Phase property scrim layer 3 should be made of the material of conductive and periodical surface mesh, be inhaled so as to adjust electromagnetic wave
The input impedance of layer 2 is received, the impedance of the input impedance and air that make electromagnetic wave absorbing layer 2 matches, so that electromagnetism wave energy
It enough enters sufficiently into inside electromagnetic wave absorbing layer 2, realizes the attenuation by absorption of electromagnetic wave.
Outer wall structure of building provided in an embodiment of the present invention sets gradually electro-magnetic wave absorption by the outside in wall basic level
Layer and property conducting period scrim layer improve this so that electromagnetic wave absorbing layer and property conducting period scrim layer cooperate
The electromagnetic wave absorption effect of outer wall structure of building, specifically: pass through the periodic structure and conduction of property conducting period scrim layer
Property adjust the input impedance of electromagnetic wave absorbing layer, so that the impedance of its input impedance and air is matched, so that conductive week
Phase property scrim layer can guide electromagnetic waves enter sufficiently into inside electromagnetic wave absorbing layer and no longer exterior wall surface reflects, into
And improve the electromagnetic wave absorption effect of external wall.
In order to improve the thermal and insulating performance of the outer wall structure of building, and its wave-absorbing effect is further increased, referring to figure
1, which further includes insulating layer 4, which is set to electromagnetic wave absorbing layer 2 and property conducting period grid cloth
Between layer 3, property conducting period scrim layer 3 is fitted on the second surface of electromagnetic wave absorbing layer 2 by insulating layer 4.By
Insulating layer 4 is set between electromagnetic wave absorbing layer 2 and property conducting period scrim layer 3, on the one hand, the external wall knot can be improved
The thermal and insulating performance of structure, and the insulating layer 4 can use XPS insulation board, polystyrene thermal insulation plate, polyurethane thermal insulation board, phenol
Aldehyde insulation board, mineral wool insulation board, rock-wool heat insulation plate, vacuum heat-insulating plate or aeroge felt pan etc. are made；On the other hand, pass through adjusting
The thickness of insulating layer 4, not only adjustable insulating power, it is important that it is also possible that electromagnetic wave is in 2 He of electromagnetic wave absorbing layer
Multipath reflection situation between property conducting period scrim layer 3 is different, so that the attenuation degree of electromagnetic wave is different, to realize electricity
Effective absorption purpose of 2 pairs of different frequency range electromagnetic wave of electro-magnetic wave absorption layer, and then further improve the suction of the outer wall structure of building
Receive electromagnetic wave effect.
Specifically, the thickness of electromagnetic wave absorbing layer 2 can be 3-50mm, and the thickness of insulating layer 4 can be 5-120mm.When
When the thickness of electromagnetic wave absorbing layer 2 is smaller, it may be implemented to absorb less the frequency range even electromagnetic wave of a frequency range, work as electromagnetic wave
When the thickness of absorbed layer 2 is larger, the electromagnetic wave for absorbing multiple frequency ranges may be implemented；And the thickness by adjusting insulating layer 4, energy
Enough realize that effective absorption of the electromagnetic wave absorbing layer 2 to not cylinder frequency range electromagnetic wave therefore can be by the thickness of electromagnetic wave absorbing layer 2
It is designed as 3-50mm, the thickness design of insulating layer 4 is 10-100mm, so that the outer wall structure of building realizes optimal absorption electromagnetism
Wave effect and heat insulation effect.
In order to improve the stability of the outer wall structure of building and the aesthetics of appearance, referring to Fig. 1, the outer wall structure of building is also
Including the first decorative mortar layer 5 and the second decorative mortar layer 6 positioned opposite；Property conducting period scrim layer 3 is set to first
Between decorative mortar layer 5 and the second decorative mortar layer 6, property conducting period scrim layer 3 passes through the first decorative mortar layer 5 and heat preservation
Layer 4 fits on the second surface of electromagnetic wave absorbing layer 2.By the way that property conducting period scrim layer 3 is embedded in the first decorative mortar
Between layer 5 and the second decorative mortar layer 6, on the one hand, property conducting period scrim layer 3 can be made to pass through the first decorative mortar layer
5 are fitted on insulating layer 4, improve the stable connection of insulating layer 4 and property conducting period scrim layer 3, to improve this
The stability of outer wall structure of building；On the other hand, appearance of the second decorative mortar layer 6 as the outer wall structure of building can be made
Face, to improve its aesthetics.Wherein, the first decorative mortar layer 5 and the second decorative mortar layer 6 be by percentage to the quality
To include following component: cement 30-45%, quartz sand 50-70%, polymer dispersion powder 1-5%, wood fibre 0.1-1% and
Hypromellose 0.2-1%, and preparation method may include steps of: by cement, quartz sand, dispersible latex
Dry material and water, than dry-mixed, are then 1 by solid-to-liquid ratio by certain mass by powder, wood fibre and hypromellose:
The ratio of 0.35-0.55 is uniformly mixed, and obtains the adhesive mortar of better quality.It, can be according to the building specifically when implementing
Humidity, extent of corrosion of external wall structure local environment etc. are because usually designing the first decorative mortar layer 5 and the second decorative mortar layer 6
Thickness, for example, the thickness of the first decorative mortar layer 5 and the second decorative mortar layer 6 can be designed as 3-10mm.
In order to further increase the stability of the outer wall structure of building, referring to Fig. 1, which further includes polymerization
Object mucilage layer 7, the polymer latex pulp layer 7 are set between electromagnetic wave absorbing layer 2 and insulating layer 4, property conducting period scrim layer 3
It is fitted on the second surface of electromagnetic wave absorbing layer 2 by the first decorative mortar layer 5, insulating layer 4 and polymer latex pulp layer 7.It is logical
The setting polymer latex pulp layer 7 between electromagnetic wave absorbing layer 2 and insulating layer 4 is crossed, electromagnetic wave absorbing layer 2 and insulating layer 4 are improved
Between connectivity robustness, and then further improve the stability of the outer wall structure of building.Wherein, the polymer latex pulp layer 7
Thickness can be 1-6mm.
In order to further increase the electromagnetic wave absorption effect of the outer wall structure of building, the electricity of property conducting period scrim layer 3
Conductance can be selected as 10-4- 10S/cm, and its mesh side length can be 4-15mm, allow the property conducting period scrim layer 3 more
The input impedance for adjusting electromagnetic wave absorbing layer well makes the impedance of its input impedance and air match, so that the conduction
Periodical scrim layer 3 can preferably guide electromagnetic waves enter sufficiently into inside electromagnetic wave absorbing layer, and then further increase
The electromagnetic wave absorption effect of external wall.Wherein, which can be fabric using carbon fiber mesh
At, or the fiberglass gridding cloth of rear conductive energy is made through processing, for example, adding on fiberglass gridding cloth
Add conductive material.
In order to improve electromagnetic wave absorbing layer 2 second surface adhesive property, can brushing interfacial agents on a second surface
Layer.
Due to electro-magnetic wave absorption mortar have many advantages, such as it is easy for construction, low in cost, be widely used in electromagnetism dirt
It contaminates in improvement field, therefore, the electromagnetic wave absorbing layer 2 in the embodiment of the present invention can be made of electro-magnetic wave absorption mortar；And it is somebody's turn to do
Electro-magnetic wave absorption mortar may include following component by percentage to the quality: cement 40-80%, lightweight aggregate 5-30%, filler 10-
50%, wave absorbing agent 3-40%, reinforcing fiber 0-4%, water-retaining agent 0.5-4% and rubber powder 0-3%；Wherein, wave absorbing agent can be stone
One of ink powder, carbon black, carbon fiber, steel fibre and ferrite powder or a variety of combinations, lightweight aggregate can for expanded perlite,
One of vermiculite and zeolite or a variety of combinations, filler can be the combination of one or both of grey calcium and coarse whiting, enhancing
Fiber can be vinal, polypropylene fibre, glass fibre or basalt fibre, and the fibre length of reinforcing fiber can
Think 2-25mm；Water-retaining agent can be hydroxypropyl methyl cellulose, and rubber powder can be polymer dispersion powder.Specifically when implementing,
The specific preparation method of electromagnetic wave absorbing layer 2 may include steps of: first by cement, lightweight aggregate, filler, wave absorbing agent, increasing
Strong fiber, water-retaining agent, rubber powder and water are stocked up by solid-to-liquid ratio 1:0.4-0.6, and then wave absorbing agent is dispersed in water, is added
Lightweight aggregate and reinforcing fiber, after lightweight aggregate and reinforcing fiber are evenly coated by wave absorbing agent, the remaining powder stirring of investment is uniform, i.e.,
Electro-magnetic wave absorption mortar can be made.
The present invention is described in more details below by specific embodiment.
Embodiment 1
The present embodiment is for illustrating outer wall structure of building provided by the invention.
Electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer and of the outer wall structure of building
The thickness of two decorative mortar layers is respectively 3mm, 1mm, 20mm, 3mm and 3mm；
Wherein, the preparation step of electromagnetic wave absorbing layer is as follows:
Dry material and water are stocked up by solid-to-liquid ratio 1:0.4 first, wherein dry material includes 40% mass fraction cement, and 10%
Mass fraction ash calcium is as filler, 35% mass fraction steel fibre and 5% mass fraction graphite as wave absorbing agent, 5% mass point
Number expanded perlite is as lightweight aggregate, and 1.5% mass fraction hydroxypropyl methyl cellulose is as water-retaining agent, 1.5% mass fraction
And fibre length is the glass fibre of 5mm as reinforcing fiber, 2% mass fraction polymer dispersion powder；Then by steel fibre and
Graphite is dispersed in water, is added expanded perlite and glass fibre and is stirred evenly, and is finally put into remaining powder and is stirred
It mixes uniformly, can be prepared by electromagnetic wave absorbing layer 2.
Insulating layer selects rock-wool heat insulation plate.
The preparation step of first decorative mortar layer or the second decorative mortar layer is as follows: the cement for being 45% by mass fraction,
52% quartz sand, 2.2% polymer dispersion powder, 0.3% wood fibre and 0.5% hypromellose it is dry
It is mixed, it is then uniformly mixed in the ratio that solid-to-liquid ratio is 1:0.35, can be prepared by the first decorative mortar layer or the second decorative mortar layer.
Select the carbon fiber mesh fabric that mesh side length is 4mm as property conducting period scrim layer 3.
By above-mentioned electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer, the second decorative mortar
Layer and property conducting period scrim layer prepare the plate having a size of 200mm × 200mm in the order described above, wherein electromagnetism
The one bed boundary agent of second surface brushing of wave absorbed layer, then carry out the bonding of polymer latex pulp layer.
Embodiment 2
The present embodiment is for illustrating outer wall structure of building provided by the invention.
Electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer and of the outer wall structure of building
The thickness of two decorative mortar layers is respectively 20mm, 6mm, 40mm, 10mm and 10mm；
Wherein, the preparation step of electromagnetic wave absorbing layer is as follows:
Dry material and water are stocked up by solid-to-liquid ratio 1:0.4 first, wherein dry material includes 40% mass fraction cement, and 5%
The coarse whiting of mass fraction and 10% mass fraction ash calcium are as filler, 25% mass fraction ferrite powder and 3% mass fraction charcoal
It is black to be used as wave absorbing agent, 7% expanded perlite and 8% zeolite as lightweight aggregate, 2% mass fraction polymer dispersion powder；Then will
Ferrite powder and carbon black are dispersed in water, are added expanded perlite and zeolite and are stirred evenly, and remaining powder is finally put into
Expect and stir evenly, can be prepared by electromagnetic wave absorbing layer.
Insulating layer selects polyurethane thermal insulation board；
The preparation step of first decorative mortar layer or the second decorative mortar layer is as follows: the cement for being 30% by mass fraction,
67% quartz sand, 1.5% polymer dispersion powder, 0.5% wood fibre and 1% hypromellose it is dry-mixed,
Then it is uniformly mixed in the ratio that solid-to-liquid ratio is 1:0.5, can be prepared by the first decorative mortar layer or the second decorative mortar layer.
Selecting mesh side length is the fiberglass gridding cloth of 15mm, handles its surface with conductive carbon powder and makes it have conduction
Property, as property conducting period scrim layer 3.
By above-mentioned electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer, the second decorative mortar
Layer and property conducting period scrim layer prepare the plate having a size of 200mm × 200mm in the order described above, wherein electromagnetism
The one bed boundary agent of second surface brushing of wave absorbed layer, then carry out the bonding of polymer latex pulp layer.
Embodiment 3
The present embodiment is for illustrating outer wall structure of building provided by the invention.
Electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer and of the outer wall structure of building
The thickness of two decorative mortar layers is respectively 50mm, 3mm, 50mm, 6mm and 6mm；
Wherein, the preparation step of electromagnetic wave absorbing layer is as follows:
Dry material and water are stocked up by solid-to-liquid ratio 1:0.4 first, wherein dry material includes 60% mass fraction cement, 19%
Mass fraction coarse whiting as filler, 4% mass fraction carbon black as wave absorbing agent, 15% mass fraction vermiculite as lightweight aggregate,
0.5% mass fraction hydroxypropyl methyl cellulose is the basalt of 15mm as water-retaining agent, 1.5% mass fraction and fibre length
Fiber is as reinforcing fiber；Then carbon black is dispersed in water, adds vermiculite and stirred evenly, finally put into remaining powder
Expect and stir evenly, can be prepared by electromagnetic wave absorbing layer.
Insulating layer selects polystyrene thermal insulation plate.
The preparation step of first decorative mortar layer or the second decorative mortar layer is as follows: the cement for being 40% by mass fraction,
57% quartz sand, 1.5% polymer dispersion powder, 0.5% wood fibre and 1% hypromellose it is dry-mixed,
Then it is uniformly mixed in the ratio that solid-to-liquid ratio is 1:0.5, can be prepared by the first decorative mortar layer or the second decorative mortar layer.
Select the carbon fiber mesh fabric that mesh side length is 10mm as property conducting period scrim layer 3.
By above-mentioned electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer, the second decorative mortar
Layer and property conducting period scrim layer prepare the plate having a size of 200mm × 200mm in the order described above, wherein electromagnetism
The one bed boundary agent of second surface brushing of wave absorbed layer, then carry out the bonding of polymer latex pulp layer.
Embodiment 4
The present embodiment is for illustrating outer wall structure of building provided by the invention.
Electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer and of the outer wall structure of building
The thickness of two decorative mortar layers is respectively 30mm, 5mm, 60mm, 5mm and 5mm；
Wherein, the preparation step of electromagnetic wave absorbing layer is as follows:
Dry material and water are stocked up by powder water ratio 1:0.4 first, wherein dry material includes 40% mass fraction cement, 10%
Mass fraction ash calcium is as filler, 15% ferrite powder and 15% graphite as wave absorbing agent, 13% mass fraction expanded perlite
As lightweight aggregate, 1% mass fraction hydroxypropyl methyl cellulose as water-retaining agent, 4% mass fraction and fibre length is 5mm
Basalt fibre as reinforcing fiber, the polymer dispersion powder of 2% mass fraction；Then ferrite powder and graphite are uniformly divided
Yu Shuizhong is dissipated, expanded perlite is added and stirs evenly, finally put into remaining powder and is stirred evenly, can be prepared by electromagnetic wave
Absorbed layer 2.
Insulating layer selects phenolic-aldehyde heat-insulation board.
The preparation step of first decorative mortar layer or the second decorative mortar layer is as follows: the cement for being 35% by mass fraction,
62% quartz sand, 1% polymer dispersion powder, 1% wood fibre and 1% hypromellose it is dry-mixed, then
It is uniformly mixed in the ratio that solid-to-liquid ratio is 1:0.55, can be prepared by the first decorative mortar layer or the second decorative mortar layer.
Selecting mesh side length is the fiberglass gridding cloth of 6mm, and handles its surface with graphite powder and make it have electric conductivity,
As property conducting period scrim layer 3.
By above-mentioned electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer, the second decorative mortar
Layer and property conducting period scrim layer prepare the plate having a size of 200mm × 200mm in the order described above, wherein electromagnetism
The one bed boundary agent of second surface brushing of wave absorbed layer, then carry out the bonding of polymer latex pulp layer.
Embodiment 5
The present embodiment is for illustrating outer wall structure of building provided by the invention.
Electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer and of the outer wall structure of building
The thickness of two decorative mortar layers is respectively 10mm, 8mm, 100mm, 7mm and 7mm；
The preparation step of electromagnetic wave absorbing layer is as follows:
Dry material and water are stocked up by powder water ratio 1:0.4 first, wherein dry material includes 80% mass fraction cement, 11%
Mass fraction coarse whiting is as filler, and 3% mass fraction carbon fiber is as wave absorbing agent, 2% mass fraction expanded perlite as light
Aggregate, 1% mass fraction hydroxypropyl methyl cellulose are poly- the third of 25mm as water-retaining agent, 1% mass fraction and fibre length
Alkene fiber is as reinforcing fiber, the polymer dispersion powder of 2% mass fraction；Then after carbon fiber being dispersed in water, then
Expanded perlite is added and stirs evenly, finally put into remaining powder and stirs evenly, can be prepared by electromagnetic wave absorbing layer 2.
Insulating layer selects XPS insulation board.
The preparation step of first decorative mortar layer or the second decorative mortar layer is as follows: the cement for being 38% by mass fraction,
70% quartz sand, 0.5% polymer dispersion powder, 0.5% wood fibre and 1% hypromellose it is dry-mixed,
Then it is uniformly mixed in the ratio that solid-to-liquid ratio is 1:0.35, can be prepared by the first decorative mortar layer or the second decorative mortar layer.
Selecting mesh side length is the fiberglass gridding cloth of 8mm, is surface-treated with metal powder to it and makes it have electric conductivity,
As property conducting period scrim layer 3.
By above-mentioned electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer, the second decorative mortar
Layer and property conducting period scrim layer prepare the plate having a size of 200mm × 200mm in the order described above, wherein electromagnetism
The one bed boundary agent of second surface brushing of wave absorbed layer, then carry out the bonding of polymer latex pulp layer.
Embodiment 6
The present embodiment is for illustrating outer wall structure of building provided by the invention.
Electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer and of the outer wall structure of building
The thickness of two decorative mortar layers is respectively 15mm, 2mm, 10mm, 8mm and 8mm；
Wherein, the preparation step of electromagnetic wave absorbing layer is as follows:
Dry material and water are stocked up by powder water ratio 1:0.4 first, wherein dry material includes 65% mass fraction cement, 11%
Mass fraction ash calcium is as filler, and 13% mass fraction steel fibre is as wave absorbing agent, 10% mass fraction expanded perlite conduct
Lightweight aggregate, 0.5% mass fraction hydroxypropyl methyl cellulose are 8mm's as water-retaining agent, 0.5% mass fraction and fibre length
Vinal is as reinforcing fiber；Then steel fibre is dispersed in water, adds expanded perlite and stirred equal
It is even, it finally puts into remaining powder and stirs evenly, can be prepared by electromagnetic wave absorbing layer.
Insulating layer selects mineral wool insulation board.
The preparation step of first decorative mortar layer or the second decorative mortar layer is as follows: the cement for being 42% by mass fraction,
55% quartz sand, 1% polymer dispersion powder, 1% wood fibre and 1% hypromellose it is dry-mixed, then
It is uniformly mixed in the ratio that solid-to-liquid ratio is 1:0.38, can be prepared by the first decorative mortar or the second decorative mortar layer.
Select the carbon fiber mesh fabric that mesh side length is 6mm as property conducting period scrim layer 3.
By above-mentioned electromagnetic wave absorbing layer, polymer latex pulp layer, insulating layer, the first decorative mortar layer, the second decorative mortar
Layer and property conducting period scrim layer prepare the plate having a size of 200mm × 200mm in the order described above, wherein electromagnetism
The one bed boundary agent of second surface brushing of wave absorbed layer, then carry out the bonding of polymer latex pulp layer.
It is tested using electromagnetic wave absorption performance of the arched reflective method to the outer wall structure of building of above each embodiment,
Test frequency range is 2-18GHz；It is carried out using heating conduction of the thermal conductivity factor instrument to the outer wall structure of building of above each embodiment
Test.Test result is as follows for absorbing property and heating conduction shown in table.
The test result table of absorbing property and heating conduction
It can be seen from the data of upper table in 2-18GHz frequency range, outer wall structure of building provided by the invention has
Excellent electromaganic wave absorbing property, meanwhile, thermal coefficient can also reach requirement, have preferable thermal insulation property.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of outer wall structure of building characterized by comprising
Wall basic level；
Electromagnetic wave absorbing layer, the electromagnetic wave absorbing layer have opposite first surface and second surface, the first surface patch
Together on the outer surface of the wall basic level；
Property conducting period scrim layer, the property conducting period scrim layer fit on the second surface；
Further include:
Insulating layer, the insulating layer is set between the electromagnetic wave absorbing layer and the property conducting period scrim layer, described
Property conducting period scrim layer is fitted on the second surface by the insulating layer.
2. outer wall structure of building according to claim 1, which is characterized in that further include:
The electromagnetic wave absorbing layer with a thickness of 3-50mm, the insulating layer with a thickness of 5-120mm.
3. outer wall structure of building according to claim 2, which is characterized in that further include:
First decorative mortar layer and the second decorative mortar layer positioned opposite；
The property conducting period scrim layer is set between the first decorative mortar layer and the second decorative mortar layer, institute
Property conducting period scrim layer is stated to fit on the second surface by the first decorative mortar layer and the insulating layer.
4. outer wall structure of building according to claim 3, which is characterized in that further include:
Polymer latex pulp layer, the polymer latex pulp layer is set between the electromagnetic wave absorbing layer and the insulating layer, described
Property conducting period scrim layer fits in institute by the first decorative mortar layer, the insulating layer and the polymer latex pulp layer
It states on second surface.
5. outer wall structure of building according to any one of claim 1 to 4, which is characterized in that
The conductivity of the property conducting period scrim layer is 10-4-10S/cm。
6. outer wall structure of building according to claim 5, which is characterized in that
The mesh side length of the property conducting period scrim layer is 4-15mm.
7. outer wall structure of building described in any one of according to claim 1 to 4 or 6, which is characterized in that
The second surface of the electromagnetic wave absorbing layer is painted with interface agent layer.
8. outer wall structure of building described in any one of according to claim 1 to 4 or 6, which is characterized in that
The electromagnetic wave absorbing layer is made of electro-magnetic wave absorption mortar.
9. outer wall structure of building according to claim 8, which is characterized in that
The electromagnetic wave absorbing layer includes following component by percentage to the quality: cement 40-80%, lightweight aggregate 5-30%, filler
10-50%, wave absorbing agent 3-40%, reinforcing fiber 0-4%, water-retaining agent 0.5-4% and rubber powder 0-3%；
Wherein, the wave absorbing agent is one of graphite powder, carbon black, carbon fiber, steel fibre and ferrite powder or a variety of combinations,
The lightweight aggregate is one of expanded perlite, vermiculite and zeolite or a variety of combinations, and the filler is in grey calcium and coarse whiting
One or two kinds of combinations, the reinforcing fiber is that vinal, polypropylene fibre, glass fibre or basalt are fine
Dimension, the water-retaining agent are hydroxypropyl methyl cellulose, and the rubber powder is polymer dispersion powder.
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| CN201611056320.4A CN106760001B (en) | 2016-11-23 | 2016-11-23 | Outer wall structure of building |
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| CN201611056320.4A CN106760001B (en) | 2016-11-23 | 2016-11-23 | Outer wall structure of building |
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| CN106760001B true CN106760001B (en) | 2019-07-19 |
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| US11891335B2 (en) * | 2017-12-22 | 2024-02-06 | The Regents Of The University Of California | Multi-functional cementitious materials with ultra-high damage tolerance and self-sensing ability |
| CN109336515A (en) * | 2018-12-04 | 2019-02-15 | 陕西理工大学 | A kind of high-frequency electromagnetic shielding concrete and preparation method thereof |
| CN114033066A (en) * | 2021-11-08 | 2022-02-11 | 高峰 | Aerogel felt external wall external thermal insulation system and construction method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880133A (en) * | 2010-06-13 | 2010-11-10 | 中国建筑材料科学研究总院 | Light thermal insulation mortar with electromagnetic wave absorption function and construction method thereof |
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| JP2004319788A (en) * | 2003-04-16 | 2004-11-11 | Mitsui Chemicals Inc | Impedance sheet and radio wave absorber using the same |
| CN101257785A (en) * | 2008-04-09 | 2008-09-03 | 海南大学 | Electromagnetic wave absorbability fly ash sheet material |
| JP2011233642A (en) * | 2010-04-26 | 2011-11-17 | Nitto Denko Corp | Electromagnetic wave absorber |
| CN102905508B (en) * | 2011-03-31 | 2015-08-05 | 深圳光启高等理工研究院 | A kind of mixing absorbing material |
| JP6063631B2 (en) * | 2012-03-26 | 2017-01-18 | 日東電工株式会社 | Electromagnetic wave absorber and method for producing electromagnetic wave absorber |
| CN103903665B (en) * | 2014-01-20 | 2017-04-19 | 北京工业大学 | Cement mortar wideband shielding/ microwave absorbing composite structure building material with metal net and electromagnetic function |
| CN105275106A (en) * | 2015-11-05 | 2016-01-27 | 中国建筑材料科学研究总院 | Anti-electromagnetic radiation building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101880133A (en) * | 2010-06-13 | 2010-11-10 | 中国建筑材料科学研究总院 | Light thermal insulation mortar with electromagnetic wave absorption function and construction method thereof |
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