CN101550732A - A sound absorption board - Google Patents

A sound absorption board Download PDF

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Publication number
CN101550732A
CN101550732A CNA2009101299062A CN200910129906A CN101550732A CN 101550732 A CN101550732 A CN 101550732A CN A2009101299062 A CNA2009101299062 A CN A2009101299062A CN 200910129906 A CN200910129906 A CN 200910129906A CN 101550732 A CN101550732 A CN 101550732A
Authority
CN
China
Prior art keywords
plank
layer
abatvoix
foamed polystyrene
finishing mortar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2009101299062A
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Chinese (zh)
Inventor
李在益
李正喜
朴赞容
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LS Cable and Systems Ltd
Original Assignee
LS Cable Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LS Cable Ltd filed Critical LS Cable Ltd
Publication of CN101550732A publication Critical patent/CN101550732A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/206—Layered panels for sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Floor Finish (AREA)

Abstract

A board for absorbing the impact sound of floors is arranged between a plate blank layer and a finishing mortar layer. The sound absorption board comprises a foamed polystyrene layer, a plurality of holes formed in the foamed polystyrene layer, and a wooden plate on the foamed polystyrene layer. As the wooden plate is overlaid on the foamed polystyrene layer with a plurality of holes, the space layer formed by a plurality of holes ensures that the board can lower the impact sound of floors.

Description

Abatvoix
Technical field
The present invention relates to a kind of plate that is used for noise between absorbed layer, and relate more particularly to a kind of abatvoix, it is installed between plate blank layer (slab layer) and the finishing mortar layer (finishing mortar layer), minimizes with the transmission with the interlayer noise.
Background technology
Nowadays, along with owing to be used for the change of the building structure that use brought and the reducing of slab thickness of the steel frame construction of highrise building, block of flats can produce the interlayer noise upstairs and downstairs, this has increased occupants's discomfort.
Because such interlayer noise becomes the major issue of block of flats, therefore the rules of building structure have been strengthened and have been carried out strict more modification.The rules of relevant interlayer noise spell out, and noise should be less than or equal to 58dB between light shock ply, and noise should be less than or equal to 50dB between heavy shock ply, perhaps should meet the requirement by the study plot plated construction of building and Ministry of Communications's issue.
For reducing the interlayer noise, recently will use two float structures (double floatingstructure) of abatvoix to be applied in the structure of apartment building, dissipate and absorb the sound that is passed to concrete slab with this, thus will be upstairs and the noise transmission downstairs minimize.
Simultaneously, (that is) sound-absorbing effect, the low-frequency sound that often occurs in the daily life, and can guarantee to be easy to structure, therefore this abatvoix uses plank as baffle plate because plank has the heavy impact noise of outstanding opposing.
Korean Patent Registration has been put down in writing traditional abatvoix with plank for 10-0429103 number.Refer now to the abatvoix that Fig. 1 illustrates record in Korean Patent Registration 10-0429103 number.Fig. 1 is the partial cross section figure that shows 10-0429103 number disclosed abatvoix of Korean Patent Registration.
With reference to figure 1, abatvoix 20 is installed on the following concrete slab 10 of building, and common Autoclaved lightweight concrete layer 30 and finishing mortar layer 40 are arranged on the abatvoix 20 layer by layer.Here, abatvoix 20 by a plurality of high-density block 21, be installed on the low density acoustic material 22 between the described high-density block 21 and be stacked in high-density block 21 and low density acoustic material 22 on plank 23 constitute.High-density block 21 and low density acoustic material 22 are evenly to be arranged at intervals on the concrete slab 10.
This abatvoix 20 not only can reduce the interlayer noise, also can keep resisting by finishing mortar layer 40, floor finishing mortar layer 50 and the durability that is deposited in the sustained load that furniture produced on the abatvoix 20.And although make hot water infiltrate in the plank 23 owing to be layed in the damage of the heating tube in the finishing mortar layer 40, plank 23 can exceedingly not expand yet.In addition, be installed in the heating tube fastening devices under the situation of plank 23, this fastening devices will be maintained fixed state with respect to plank 23.
Yet, mortar infiltrates under the situation in the plank 23 of abatvoix 20 in forming the activities of finishing mortar, or hot water infiltrated into situation in the plank 23 owing to the damage of heating tube under, the thickness of plank 23 can increase partly, may cause the face checking of finishing mortar layer 40 like this.In addition, the bending strength of plank 23 is reduced, when for a long time to plank 23 imposed loads, can make plank 23 sink.And do not consider in that the heating tube fastening devices is installed on plank 23 under the situation of first installation of this heating tube fastening devices, the crack occurs in the finishing mortar layer 40 because the elasticity of heating tube can make.
As mentioned above, from structure and vpg connection abatvoix 20 is illustrated, but does not point out the detailed numerical value and the volume (content) of its shape, and the effect of these contents is not enough to take in.
Summary of the invention
The present invention is designed for the solution prior art problems, therefore the object of the present invention is to provide a kind of abatvoix, and it can make upstairs and the transmission sound downstairs minimizes, and can guarantee stable properties for a long time.
For achieving the above object, the invention provides a kind of abatvoix, it is installed between plate blank layer and the finishing mortar layer, and this abatvoix comprises: foamed polystyrene (foamed polystylene) layer is formed with a plurality of holes in this foamed polystyrene layer; And be positioned at plank on this foamed polystyrene layer.
Preferably, the density of this plank is 0.3 to 0.9g/cm 3If the density of this plank is less than 0.3g/cm 3, then its bending strength and durability can reduce.If the density of this plank is greater than 0.9g/cm 3, then can reduce the easiness of its structure and the easiness of transporting.
Preferably, the bending strength of this plank is 15 to 35M/mm 2If the bending strength of this plank is less than 15M/mm 2, then this plank is easily crooked or break.If the bending strength of this plank is greater than 35M/mm 2, then can cause and transport difficulty and cost increase.
Preferably, the thickness swelling of this plank is less than or equal to 20%.If the thickness swelling of this plank is greater than 20%, this can make the finishing mortar face checking, and makes the bending strength of plank reduce, and when for a long time to the plank imposed load, this can cause plank to sink.
Preferably, the screw confining force of this plank (screw holding strength) is 300 to 500N.Under the situation of this screw confining force less than 300N, the fastening devices of heating tube can not be fixed to plank, therefore, heating tube can not be fixed in plank owing to the elasticity of heating tube.Under the situation of this screw confining force greater than 500N, the density of plank increases, and this causes the increase of cost and weight.
Description of drawings
In below in conjunction with the description of accompanying drawing to embodiment, other purpose of the present invention and scheme will become apparent.Wherein:
Fig. 1 is the partial cross section figure that traditional abatvoix is shown; And
Fig. 2 is the partial cross section figure that illustrates according to an embodiment of abatvoix of the present invention.
The specific embodiment
Below, the preferred embodiment of the present invention will be by describing in detail with reference to the accompanying drawings.Before explanation, should be appreciated that in manual and appended claims employed term should not be restricted to the implication on common and the dictionary, but suitable definition is on the basis of principle to carry out best the annotation to its term do allowing the inventor, based on making an explanation with corresponding implication of technical scheme of the present invention and notion.
Therefore,, be not intended to limit the scope of the invention, so should be appreciated that and to draw other equivalents and modification without departing from the scope of the invention in the explanatory note of this proposition preferred exemplary only for being used to illustrate.
Fig. 2 is the partial cross section figure that illustrates according to an embodiment of abatvoix of the present invention.
With reference to figure 2, abatvoix 200 of the present invention is installed in down between plate blank layer 202 and the finishing mortar layer 214, and this time plate blank layer 202 is made by steel concrete, as will be upstairs and the framework that separates, be equipped with heating tube 216 in this finishing mortar layer 214 downstairs.Abatvoix 200 comprises foamed polystyrene layer 206 with a plurality of holes 208 and the plank 210 that is positioned on this foamed polystyrene layer 206.
Because foamed polystyrene layer 206 has a plurality of holes 208, therefore the absorption of sound that can transmit from the top is in the space (or air layer) that is made of above-mentioned a plurality of holes 208, with this noise that reduces effectively upstairs and produce downstairs.Here, the cross sectional shape in hole 208 can be rectangle, circle, ellipse and various polygonal shape.
Plank 210 is stacked on the foamed polystyrene layer 206, with the space that obtains being formed by a plurality of holes 208.Preferably, the density of plank 210 is 0.3 to 0.9g/cm 3If its density is less than 0.3g/cm 3, then plank 210 can have lighter weight, but its bending strength and durability can be reduced to below the desired value.If its density is greater than 0.9g/cm 3, then the bending strength of plank 210 and droop characteristic (droopingfeature) meet the requirements, but plank 210 can't guarantee to be easy to the structure and be easy to transport, this does not expect.
And the bending strength of plank 210 is preferably 15 to 35M/mm 2If its bending strength is less than 15M/mm 2Then plank 210 is easy to bending, makes plank 210 be difficult to guarantee the space that a plurality of holes 208 by foamed polystyrene layer 206 form like this, and in construction (construction work) process, plank 210 can not bear staff's weight, and can be bent or break.If its bending strength is greater than 35M/mm 2, then the density of plank 210 increases, and this causes and transports difficulty and cost increase, and this does not expect.
In addition, preferably, calculate by following equation 1, according to the thickness swelling (P) of plank 210 of the present invention for being less than or equal to 20%.
Equation 1:
P = t 2 - t 1 t × 100
Wherein, P is thickness swelling (%), t 1Be the thickness of the sample on the plank 210 before soaking, t 2For being immersed in 20 ℃ the distilled water thickness of the sample on the plank 210 after 24 hours.
If the thickness swelling value of plank 210 is greater than 20%, then mortar is penetrated under the situation in the plank 210 when forming finishing mortar, or after forming finishing mortar owing to the damage of heating tube 216 makes hot water be penetrated under the situation in the plank 210, the thickness of plank 210 can increase partly, may make the face checking of finishing mortar layer 214 like this.In addition, can make the bending strength of plank 210 reduce, when for a long time to plank 210 imposed loads, this can cause plank 210 to sink, and this does not expect.
And, being installed on by screw under the situation of plank 210 in the fastening devices of heating tube 216, plank 210 is preferably 300 to 500N for the confining force of screw, so that fastening devices can maintain plank 210 forcefully.Under the situation of its confining force less than 300N, the fastening devices of heating tube 216 then can not maintain plank 210 forcefully, therefore, heating tube 216 can not be remained in plank 210 owing to the elasticity of heating tube 216.In the case, uneven situation may be occurred in the surface of plank 210, perhaps in finishing mortar layer 214, crackle may be occurred.And under the situation of its confining force greater than 500N, the fastening devices of heating tube 216 has bigger crystallized ability, but the density of plank 210 increased, and this causes the increase of cost and weight, and this does not expect.
Simultaneously, also cushion coat 212 can be installed between plank 210 and finishing mortar layer 214.This cushion coat 212 can be made by natural fiber pad or synthetic fibers pad.This synthetic fibers pad can be polyester fiber, glass fiber or rock wool (rock wool) etc.
And isolator 220 is between the sidewall 204 and each layer 206,210,212,214 of building.Isolator 220 only contacts with layer 206,210,212,214 with sidewall 204, rather than attached with it securely.
For forming the abatvoix 200 according to the embodiment of the invention, as above-mentioned illustrated ground, the thickness of plank 210 is that 9mm, density are 0.6g/cm 3, bending strength is 25M/mm 2, thickness swelling is 13% to 15%, confining force is 500N, vertically reach lateral dimension is 1,000mm * 1,000mm.
By using, the interlayer noise is measured according to the abatvoix of making by above-mentioned plank 210 200 of the present invention.At first, measure the interlayer noise at the basic slab that abatvoix of the present invention is not installed, this interlayer noise is 52dB.Yet, to measure at being formed with abatvoix 200 according to the present invention, the interlayer noise is 38 to 39dB the level (negative A value (inverse Avalue)) corresponding to the first estate.And even after through eight weeks, the interlayer noise still changes, and still is 38dB, therefore, can guarantee that abatvoix 200 of the present invention has outstanding characteristic.In addition, heating tube and finishing mortar have been installed, then, after the curing time in about two weeks, have been observed the finishing mortar surface.In the case, do not find that there is crackle on the mortar surface.
As mentioned above, abatvoix 200 according to the present invention forms the space by plank 210 is stacked on the foamed polystyrene layer 206 with a plurality of holes 208, therefore can improve the effect that reduces the interlayer noise.And,, therefore can guarantee easier structure and outstanding long-term durability because abatvoix 200 becomes to being light weight.
So far the present invention is had been described in detail.Yet, should be appreciated that detailed description of the present invention and specific example only are the usefulness of explanation when describing the preferred embodiment of the present invention, because according to these detailed descriptions, those skilled in the art can carry out various changes and modification within the spirit and scope of the present invention, and these all are conspicuous.
Industrial applicibility:
According to the present invention, plank is stacked on the foamed polystyrene layer with a plurality of holes, to guarantee by upper State the space that a plurality of holes form, can improve the effect that reduces the interlayer noise with this. And abatvoix becomes Light weight, to guarantee easier structure and outstanding long-term durability.

Claims (5)

1. abatvoix, it is installed between plate blank layer and the finishing mortar layer, and this abatvoix comprises:
The foamed polystyrene layer is formed with a plurality of holes in this foamed polystyrene layer; And
Plank, it is placed on this foamed polystyrene layer.
2. abatvoix according to claim 1, wherein the density of this plank is 0.3g/cm 3To 0.9g/cm 3
3. abatvoix according to claim 1 and 2, wherein the bending strength of this plank is 15M/mm 2To 35M/mm 2
4. abatvoix according to claim 3, wherein the thickness swelling of this plank is less than or equal to 20%.
5. abatvoix according to claim 4, wherein this plank is 300N to 500N to the confining force of screw.
CNA2009101299062A 2008-04-01 2009-04-01 A sound absorption board Pending CN101550732A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080030296A KR20090105055A (en) 2008-04-01 2008-04-01 Panel for absorbing floor impact sound
KR1020080030296 2008-04-01

Publications (1)

Publication Number Publication Date
CN101550732A true CN101550732A (en) 2009-10-07

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CNA2009101299062A Pending CN101550732A (en) 2008-04-01 2009-04-01 A sound absorption board

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CN (1) CN101550732A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102363983A (en) * 2011-10-11 2012-02-29 常熟市华夏建筑节能材料有限公司 Sound absorption plate
CN106284717A (en) * 2016-09-28 2017-01-04 西安交通大学 A kind of adjustable port shape porous plate acoustic adsorption device
CN110905092A (en) * 2019-12-05 2020-03-24 怀化沃普环保科技有限公司 Noise-reducing and vibration-damping structure for building

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102363983A (en) * 2011-10-11 2012-02-29 常熟市华夏建筑节能材料有限公司 Sound absorption plate
CN106284717A (en) * 2016-09-28 2017-01-04 西安交通大学 A kind of adjustable port shape porous plate acoustic adsorption device
CN110905092A (en) * 2019-12-05 2020-03-24 怀化沃普环保科技有限公司 Noise-reducing and vibration-damping structure for building

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Publication number Publication date
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Open date: 20091007