CN109750764A - A kind of method of sound insulation for existed building floor - Google Patents
A kind of method of sound insulation for existed building floor Download PDFInfo
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- CN109750764A CN109750764A CN201811469212.9A CN201811469212A CN109750764A CN 109750764 A CN109750764 A CN 109750764A CN 201811469212 A CN201811469212 A CN 201811469212A CN 109750764 A CN109750764 A CN 109750764A
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- building floor
- existed building
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Abstract
The invention discloses a kind of method of sound insulation for existed building floor, including forming acoustic material laminboard layer on the lower surface of the existed building floor；Dense layer is formed on acoustic material laminboard layer lower surface.The noise that the acoustic material laminboard layer is used to hand down on the existed building floor is reflected and is absorbed, and the closely knit floor is located at below the acoustic material laminboard layer, plays the role of further sound insulation.The present invention is bonded the use demand in existing house, easy construction, and strong applicability is applicable in all kinds of floors.
Description
Technical field
The invention belongs to building field more particularly to a kind of method of sound insulation for existed building floor.
Background technique
For largely living for the owner of residential building, the noise jamming between adjacent upper and lower level is inevitable, especially
An important factor for interference of the life noise of upper layer resident to lower layer resident is influence living quality, and influence neighborhood relationship
An important factor for.Some cell floors are than relatively thin, if ground surface finishing surface layer does not have special consideration noise reduction process, the life generated
Noise living is easy to pass to lower layer by floor or even top men walk, and sound all can clearly pass to lower layer, give lower layer resident
It interferes.
The sound insulation value of floor and floor own material, thickness, internal structure etc. are related, as people are to dwelling house comfortable degree
It is required that raising, enhancing sound isolation of floor performance measures research invention also gradually increase.These measures include: to increase floor thickness
Cavity or insulation material layer etc. are set between setting cavity, floor and finishing layer inside degree, floor.These increase floor by unlimited
The mode of thickness solves the problems, such as that sound insulation is unrealistic, and adds cavity between floor, increases the technologies such as sound insulating material among floor
Because its soundproof effect is good, the advantages of low cost, gradually it is used more widely.
The measure of existing enhancing sound isolation of floor performance concentrates on the floor slab construction measure of new building, or in floor knot
Soundproof measures are added on structure face upper layer.In actual life, upper layer resident is to reduce to lower layer's resident's noise jamming time-intensive, expensive master
Move that the situation for doing soundproof measures on this layer of ground is considerably less, therefore lower layer resident is to the interference for solving upper layer resident life noise
Effective measures are considerably less.The present invention can solve this pain spot of lower layer resident, and lower layer resident below this layer of top plate by applying
Work (i.e. oneself house) completes the significant double-layer sandwich floor of soundproof effect, it is dry that upper layer resident's noise can be solved perfectly
Disturb problem.
Summary of the invention
The present invention is by forming double-layer sandwich floor to existing building reconstruction, by this layer of mounting of roof plate sound insulation sound-absorbing
Material forms acoustic material laminboard layer, and in acoustic material laminboard layer lower part by increasing one layer of closely knit floor newly, former top plate is done
It at " double-layer sandwich floor ", is propagated downwards so that upper layer noise be greatly decreased, realizes soundproof effect.The present invention is to be bonded existing room
The use demand in room, easy construction, strong applicability are applicable in all kinds of floors.
To achieve the above object, the invention adopts the following technical scheme:
A kind of method of sound insulation for existed building floor, including on the lower surface of the existed building floor formed every
Sound material laminboard layer；Dense layer is formed on acoustic material laminboard layer lower surface.The wherein laminboard layer and/or dense layer
It can be made up of multiple layers.
Further, the acoustic material laminboard layer by selected from polyphenyl class extruded sheet, sound insulation rock wool board, flexible rubber plate,
It makes pottery made by the common acoustic material such as aluminium abatvoix and wood soundproof abatvoix.
Further, the acoustic material laminboard layer thickness is generally 20-50mm.
Further, the acoustic isolator clip core material layer is fixed on the existed building floor by viscose process or fixing bolt
Below.
Further, the dense layer is that Concrete cover or similar mortar class close-knit surface, the Concrete cover are logical
Bolt is crossed to be fixed on the existed building floor.
Further, the Concrete cover is precast slab or is formed by cast in place concrete plate method, institute
Stating cast in place concrete plate method includes:
Step 1: passing through the acoustic material laminboard layer, multiple Hanging bolts are implanted into the existed building floor slab bottoms,
Multiple sling points are consequently formed；Or directly using the fixing bolt of the fixed acoustic material laminboard layer as sling point；The
Two steps: reinforced mesh is welded on the sling point；Step 3: using gunite concrete or spray furnace method or artificial plastering
Method is constructed the dense layer to be formed and include the reinforced mesh.
Further, in the third step, the concrete of injection is fine concrete or lightweight aggregate concrete, injection
Mortar be high-strength mortar.
Further, the thickness of the dense layer is generally 30-100mm.
The invention has the following advantages:
1, a kind of method of sound insulation for existed building floor of the present invention, it is of the invention to there is building floor sound insulating floor slab energy
Upper and lower level sound insulation in existed building is enough solved the problems, such as, by existed building underfloor fabrication and installation acoustic material laminboard layer and newly
Floor is closed in density, so that original single layer floor becomes double-storied floor (double-layer sandwich floor), it is effective to completely cut off making an uproar for upper layer resident
Sound is propagated, and is had the advantages that significant to existed building upper layer noise soundproof effect.And the present invention is that lower layer lives in existed building
Family solves the effective measures of upper layer resident life noise jamming in oneself space, has and is bonded very much the excellent of existing house needs
Point.
2, a kind of method of sound insulation for existed building floor of the present invention is installed in existed building underfloor, is not had to full room
Installation, but can selectively be mounted on the roofs such as bedroom, the study sensitive to environmental noise, for parlor, kitchen etc. to making an uproar
The insensitive room of sound can not be installed, so the present invention has the advantages of flexible for installation, strong applicability.
3, a kind of method of sound insulation for existed building floor of the present invention, the installation of the acoustic material laminboard layer can adopt
It is fixed below existed building floor with gluing method or fixing bolt fixation, does not need to fit up face to original floor slab bottoms
It deals with, so that the present invention has the advantages that easy construction.
Detailed description of the invention
Fig. 1 is existed building sound isolation of floor floor sectional view；
Fig. 2 is the fixed acoustic material laminboard layer sectional view of gluing method in embodiment one；
Fig. 3 is the fixed acoustic material laminboard layer sectional view of fixing bolt in embodiment two；
Fig. 4 is that reinforced mesh is welded in sling point sectional view of taking root in dense layer；
Fig. 5 is that reinforced mesh is welded in sling point plan view of taking root in dense layer；
Fig. 6 is dense layer structural section；
12 existed building floor of existed building floor decorative layer, 3 acoustic material laminboard layer
4 dense layer, 5 adhesive layer, 6 fixing bolt end pad, 7 fixing bolt, 8 reinforced mesh, 9 sling point
10 Hanging bolts
Specific embodiment
In order to be better understood by technical solution of the present invention, combined with specific embodiments below, Figure of description is to the present invention
It is described further.
Embodiment one:
A kind of existed building floor slab sound insulation board includes acoustic material laminboard layer 3 and dense layer 4, the acoustic material laminboard layer
3 noise for handing down the existed building floor 2 is reflected and is absorbed, and the acoustic material laminboard layer 3, which is located to have, to be built
Build floor 2 is in the following, the dense layer 4 is located at below the acoustic material laminboard layer 3.Existed building floor and the present invention are existing
Building floor soundproof plate constitutes double-layer sandwich floor, as shown in Figure 1.
The acoustic material laminboard layer 3 is by selected from polyphenyl class extruded sheet, sound insulation rock wool board, flexible rubber plate, pottery aluminium sound-absorbing
Made by the acoustic materials such as plate or wood soundproof abatvoix.In the present embodiment, the acoustic material laminboard layer 3 squeezes for polyphenyl class
Mould plate, the principle that the existed building floor slab sound insulation board can play deadening is: as the middle interval for having certain flexibility
Sound material laminboard layer 3, between upper layer resident's existed building floor 2 and lower layer's dense layer 4 formed multilayer interface, cutting sound wave along
The channel of the Es-region propagations directly down of upper layer resident's existed building floor 2, so that noise sound wave passes to 4 layers of dense layer below laminboard layer
When by substantially decaying, using 4 layers of the decaying of lower layer's dense layer, decay substantially when reaching lower layer resident room complete.At this
Existed building floor is concrete floor in embodiment, but the present invention is not only applicable in concrete floor, all suitable for all kinds of floors
With even if existed building floor is that wood floor, steel floor or other materials floor, the present invention are applicable.
Method of sound insulation for existed building floor includes: step 1: the shape on the lower surface of the existed building floor 2
At acoustic material laminboard layer 3；Step 2: dense layer 4 is formed on 3 lower surface of acoustic material laminboard layer.
Step 1 is the installation of acoustic material laminboard layer 3, and the installation of acoustic material laminboard layer can use gluing, fixation
Bolt and hanger in place, in the present embodiment, using the fixed acoustic material laminboard layer 3 of gluing method below existed building floor 2.
As shown in Fig. 2, the acoustic material laminboard layer 3 is fixed below the existed building floor 2 by adhesive layer 5, it is described every
The installation of sound material laminboard layer 3 is able to satisfy laminboard layer and is adjacent to upper layer floor, does not influence the construction of dense layer 4.Due to sound insulation material
3 lower part of feed collet sandwich layer also needs to install dense layer 4, therefore to the fixation under existed building floor 2 of acoustic material laminboard layer 3
Degree is of less demanding, can guarantee that sound insulation material clip sandwich layer 3 can hang over 2 lower section of existed building floor in work progress.In addition,
The finishing face scraped on white equal existed buildings floor lower surface when installing acoustic material laminboard layer 3, below existed building floor
Layer does not need to root out, and more one layer of interface are advantageous the reflection loss of noise sound wave, and also embody the present invention and apply
The advantage of work simplicity.
Step 2 is that the preparation of dense layer 4 is installed, and in the present embodiment, dense layer 4 selects precast concrete plate, prefabricated
Concrete plate is prepared using fine concrete, as improving and optimizating, can also be used aerating type fine concrete, may be used also
Using lightweight aggregate high mixed with air contents such as minor diameter granular polystyrenes in advance, the precast concrete plate inside gas of formation
Body, cavity are more, are more advantageous to sound insulation.Such as secure dense layer 4 can be hung by bolt in the acoustic material laminboard layer
In the following, plate stitch is sealed by gluing mode.
Embodiment two:
The feature that the present embodiment is the same as example 1 repeats no more, and the present embodiment feature different from embodiment one exists
In: the method for sound insulation for existed building floor includes: step 1: using the fixed acoustic material of 7 fixation of fixing bolt
Laminboard layer 3 is below existed building floor 2；Step 2: using dense layer 4 described in now concrete method fabrication and installation processed in described
Below acoustic material laminboard layer 3.
Step 1 is the installation of acoustic material laminboard layer 3, and in the present embodiment, acoustic material sandwich 3 is wood soundproof sound-absorbing
Plate, the method that the installation of acoustic material laminboard layer 3 uses fixing bolt 7, as shown in figure 3, acoustic material laminboard layer passes through fixation
Bolt 7 passes through acoustic material laminboard layer 3 and is fixed below existed building floor 2.In order to increase fixing bolt 7 and acoustic material
The contact area of laminboard layer 3 avoids damage acoustic material sandwich of layers, pads in the end of fixing bolt 7 setting fixing bolt end
Piece 6.
Step 2 is that dense layer 4 prepares installation method, and in the present embodiment, dense layer 4 selects cast in place concrete plate legal system
Standby installation dense layer 4 is below acoustic material laminboard layer 3.Cast in place concrete plate fabrication and installation method and step include: step 1:
Across acoustic material laminboard layer 3, in 2 bottom of existed building floor, implantation Hanging bolt 10 forms the sling point 9 taken root；Second
Step: reinforced mesh 8 is welded on the sling point 9 that these are taken root；Step 3: using gunite concrete or spray furnace method, it is complete
At the fabrication and installation of the dense layer 4.I.e. in 2 bottom of existed building floor, implantation 10 mode of Hanging bolt takes root for forming sling point
9, reinforced mesh 8 is welded on the sling point 9 that these are taken root.The suspension spiral shell 10 of implantation is using the spiral shell taken root in concrete
Bolt, can preferred expansion bolt or chemical bolt.In the present embodiment, the setscrew of use.The diameter of Hanging bolt 10 and
Spacing needs to be determined according to 4 depth information of dense layer.In the present embodiment existed building floor 2 be concrete floor in the case of,
Newly-increased 4 thickness of dense layer is less than 50mm, can use M6 or M8 expansion bolt, and spacing uniformly is implanted into have and build no more than 1000mm
Build floor bottom；Dense layer 4 can use M6 or M8 expansion bolt with a thickness of 50-100mm, and spacing is not more than the equal implant of 800mm
Enter 2 bottom of existed building floor, when dense layer 4 is with a thickness of 100mm is greater than, need especially to calculate the determining diameter of bolt and spacing,
As shown in Figure 4 and Figure 5.It increases newly after reinforced mesh 8 in closed floor is welded in and takes root sling point, carries out 4 concrete of dense layer and pour
Note construction.Since dense layer 4 and existed building floor 2 are only across acoustic material battenboard, thickness about 20-50mm therefore can be with
It is constructed using gunite concrete engineering method, or is constructed using spray furnace.The concrete or mortar of injection can use thin bone
Expect concrete or high-strength mortar, as improving and optimizating, aerating type fine concrete or mortar can also be used, or using pre-
Mixed with the high lightweight aggregate of the air contents such as minor diameter granular polystyrene, concrete layer internal gas, the cavity of formation are more, more favorably
In sound insulation.Using the concrete and mortar of sprayed construction, its viscosity can be increased by modes such as addition thickeners, reduce spray
Penetrate the rebound amount of falling when construction.Dense layer structure section, as shown in Figure 6.It, can also be with other than using the construction of mechanical injection method
4 material of dense layer is little by little smeared by 3 lower part of sandwich of layers using artificial manual trowel method.It should be noted that when construction not
With the compactness pursued between dense layer 4 and sandwich of layers 3, since this construction purpose is to separate noise to propagate downwards, closely knit
Gap between layer 4 and sandwich of layers will not influence the effect of partition noise.But to guarantee the compactness of dense layer 4 itself as far as possible,
Play the purpose of barrier noise.In addition, the convenience and increase compactness, reinforced mesh 8 for the construction of dense layer 4 can be set
Multilayer, every layer of 8 mesh spacing of reinforced mesh can also be different.
It should be understood that can also be directly using the fixing bolt 7 of fixed acoustic material laminboard layer as hitch point, no
Still further form Hanging bolt 10.Such as fixing bolt 7 uses longer length, fully protrudes acoustic material laminboard layer, dew
Part out subsequent can be used as the hitch point of reinforced mesh 8 in dense layer 4.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Energy.
Claims (10)
1. a kind of method of sound insulation for existed building floor, include the existed building floor (2) lower surface on formed
Acoustic material laminboard layer (3)；Dense layer (4) are formed on acoustic material laminboard layer lower surface.
2. the method for sound insulation according to claim 1 for existed building floor, characterized in that the acoustic material sandwich
Layer (3) by selected from polyphenyl class extruded sheet, sound insulation rock wool board, flexible rubber plate, make pottery aluminium abatvoix and wood soundproof abatvoix material
Made by material.
3. the method for sound insulation according to claim 1 for existed building floor, characterized in that the acoustic material sandwich
Layer (3) is with a thickness of 20-50mm.
4. the method for sound insulation according to claim 1 for existed building floor, characterized in that the sound insulation sandwich material
Layer (3) is fixed below the existed building floor (2) by viscose process or fixing bolt.
5. the method for sound insulation according to claim 4 for existed building floor, characterized in that the dense layer (4) is
Concrete cover, the Concrete cover are fixed by bolts on the existed building floor.
6. the method for sound insulation according to claim 5 for existed building floor, characterized in that the Concrete cover is
It precast slab or is formed by cast in place concrete plate method, the cast in place concrete plate method includes:
Step 1: passing through the acoustic material laminboard layer (3), multiple suspension spiral shells are implanted into existed building floor (2) bottom
Bolt (10), is consequently formed multiple sling points；Or directly utilize the fixing bolt (7) of the fixed acoustic material laminboard layer (3)
As sling point；
Step 2: reinforced mesh (8) are welded on the sling point；
Step 3: including the reinforced mesh using gunite concrete, spray furnace construction or artificial plastering method construction, formation
(8) dense layer (4).
7. the method for sound insulation according to claim 6 for existed building floor, characterized in that in the third step, spray
The concrete penetrated is fine concrete or lightweight aggregate concrete, and the mortar of injection is high-strength mortar.
8. method of sound insulation according to claim 1, characterized in that the dense layer (4) with a thickness of 30-100mm.
9. method of sound insulation according to claim 1, characterized in that the laminboard layer (3) is made up of multiple layers.
10. method of sound insulation according to claim 1, characterized in that the dense layer (4) is made up of multiple layers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811469212.9A CN109750764A (en) | 2018-11-27 | 2018-11-27 | A kind of method of sound insulation for existed building floor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811469212.9A CN109750764A (en) | 2018-11-27 | 2018-11-27 | A kind of method of sound insulation for existed building floor |
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| CN109750764A true CN109750764A (en) | 2019-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232862A (en) * | 2022-01-18 | 2022-03-25 | 张跃 | Combined floor slab |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114232862A (en) * | 2022-01-18 | 2022-03-25 | 张跃 | Combined floor slab |
| CN114232862B (en) * | 2022-01-18 | 2024-02-13 | 张跃 | Combined floor slab |
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