CN101363272B - Acoustical insulation floor for construction and laying method thereof - Google Patents
Acoustical insulation floor for construction and laying method thereof Download PDFInfo
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- CN101363272B CN101363272B CN2007100755853A CN200710075585A CN101363272B CN 101363272 B CN101363272 B CN 101363272B CN 2007100755853 A CN2007100755853 A CN 2007100755853A CN 200710075585 A CN200710075585 A CN 200710075585A CN 101363272 B CN101363272 B CN 101363272B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
A sound insulation floor slab for building and a construction method thereof pertain to the technical fields of building material components and construction. The sound insulation floor slab is characterized by comprising an upper-layer ordinary cement mortar leveling layer and a lower-layer damping mortar floated coat, the damping mortar floated coat is made by laying acoustic damping mortar which comprises the following components by weight percentage: 60%-80% of sand for construction, 5%-20% of rubber grains, and 10-20% of fine powder for construction. The laying method of the sound insulation floor slab is as follows: firstly impurities and sharp objects on the substrate are cleaned off to ensure that the substrate is flat, secondly the damping mortar floated coat is laid and protected by a cement protection layer, and finally the ordinary cement mortar leveling layer is laid on the cement protection layer. The sound insulation floor slab has the advantages of extremely low raw material cost, simple construction process, easy control on the thickness of sound insulation damping layer, and improving the sound insulation for impact sound by about 12dB, and the sound insulation floor slab meets the sound insulation requirement of high performance buildings.
Description
Technical field:
The present invention relates to a kind of acoustical insulation floor for construction and laying method thereof, it belongs to buiding material members and technical field of construction.
Background technology:
The decay of the energy of solid-borne sound in traditional building material is very little, and spread speed is than fast in air, and propagation distance is far again.Continuously, the air defening effect of thick and heavy and hard concrete floor is good, and is but very poor for the effect of impact sound (solid-borne sound).So the resident family that stays in lower floor generally can't hear the voice of upper strata resident family, but that upper strata resident family drags desk, child to run the sound that jumping, heel knock ground is very big to the influence of resident family of lower floor.The impact sound sound pressure of ordinary residence floor is about about 75dB.For improving the sound insulation property of floor, can on the concrete structure floor, lay carpet or lay the elastic surface layer material.Carpet or elastic surface layer material have absorbed upper strata resident family and have dragged the part Impact energies that activity produced such as desk, race jumping, weaken or have stoped the vibration of floor, thereby reach the effect of improving floor sound insulation.But for the people who likes tile floor and all kinds of floors, elastic surface layer is not good selection.
Also there is certain defening effect on all kinds of floors, main structure is to lay one deck elastic layer material between floor and surface layer, after being weakened, the vibration that floor covering is impacted produce reaches floor basic unit, thus also can improve the impact sound sound insulation property of floor, but defening effect is quite limited.
Relatively " the floating method acoustical insulation floor of building " of approval adopted professional sound insulating pad and extruded sheet to combine as the method for elastic layer in the world, and floor impact sound sound insulation factor can reduce 22dB.Above-mentioned technology not only impact sound defening effect has had obvious improvement, also plays simultaneously insulation effect, but it involves great expense, and execution conditions are comparatively harsh, and complex process has been compressed the floor clear height, still is difficult to widespread usage on market.
Summary of the invention:
The object of the present invention is to provide a kind of impact sound sound pressure that can make floor to reduce more than the 10dB, and cheap, simple acoustical insulation floor for construction of form of construction work and laying method thereof.
The object of the present invention is achieved like this:
A kind of acoustical insulation floor for construction, it comprises the conventional cement mortar leveling layer on upper strata and the damping mortar plastering layer of lower floor; Described damping mortar plastering layer is laid by the acoustic damping mortar and is formed, and described acoustic damping mortar comprises following component in percentage by weight:
Building sand 60%～80%, rubber grain 5%～20%,
Fine powder 10%～20% for building.
Described building sand is medium sand for building or fine sand.
The fineness of described rubber grain and the fineness of building sand are approaching.
Described fine powder for building is flyash or French chalk.
Described fine powder for building is the approaching inert mineral powder of fineness and flyash.
A kind of laying method that is used for the acoustical insulation floor for construction described in the claim 1 is characterized in that it comprises following processing step:
A: base treatment: foreign material in the basic unit to be cleaned out before laying, and the sharp object in the processing basic unit, guarantee that basic unit is smooth;
B, laying damping screed: at first prepare the damping mortar, percentage by weight combination construction sand, rubber grain and fine powder for building according to building sand 60%～80%, rubber grain 5%～20%, fine powder for building 10%～20%, in the damping mortar that mixes, add an amount of water then, adopt the method for ordinary mortar leveling layer to be laid in the floor basic unit that handled after stirring, constitute damping mortar plastering layer; Spread cement powder on damping mortar plastering layer with the sieve sieve again, and with plaster trowel its troweling is constituted the cement topping, the thickness of cement topping is 1mm～3mm.
C: lay the conventional cement mortar leveling layer: after the sclerosis of the cement topping on the damping mortar plastering layer, re-lay the thick conventional cement mortar leveling layer of 25～30mm, and technology maintenance routinely.
The thickness of described damping mortar plastering layer is 5～10mm.
But combination construction fine sand in cement powder; The ratio of described fine sand for building and cement powder is 2:1～3:1.
Damping mortar plastering layer at the place, corner should return the about 50mm of wall, and its thickness is thinned to 0mm gradually by 10mm.
The cost of raw material of the present invention is extremely low, and construction technology is simple, is easy to field control sound insulation damping layer thickness; On effect, the about 12dB of impact sound sound insulation improvement amount can make the sound insulation property of common floor be improved, and reaches the sound insulation requirement of high-performance dwelling house; Because it is the preliminary treatment of building embryo that sound insulation of the present invention is handled actual, so also stayed the space of further improvement to follow-up finishing etc.
Description of drawings:
Fig. 1 is the structural representation of acoustical insulation floor of the present invention
Fig. 2 is the specifically structural representation under the construction state of acoustical insulation floor of the present invention
The specific embodiment:
Be embodiments of the invention with Fig. 1 and Fig. 2 below, the present invention is further detailed.
Embodiment 1:
As shown in accompanying drawing 1, acoustical insulation floor of the present invention comprises the conventional cement mortar leveling layer on upper strata and the damping mortar plastering layer of lower floor; Described damping mortar plastering layer is laid by the acoustic damping mortar and is formed, and the composition of described acoustic damping mortar is: building sand, rubber grain and fine powder for building.Described building sand can be medium sand for building or fine sand.Select spun yarn in the present embodiment, the fineness requirement and the spun yarn of selected rubber grain are approaching.Described fine powder for building can be flyash or French chalk.Select flyash in the present embodiment for use.
With 60 kilograms of building sands, the weight proportion that 20 kilograms of rubber grains and fine powder for building are 20 kilograms is ready to material.Carry out laying construction according to following processing step then:
A: base treatment: foreign material in the basic unit 1 to be cleaned out before laying, and the sharp object in the processing basic unit, guarantee that basic unit is smooth;
B, laying damping screed: at first prepare the damping mortar, according to 60 kilograms of building sands, the weight proportion combination construction that 20 kilograms of rubber grains and fine powder for building are 20 kilograms sand, rubber grain and fine powder for building, in the damping mortar that mixes, add an amount of water then, adopt the method for ordinary mortar leveling layer to be laid in the floor basic unit that handled after stirring, constitute damping mortar plastering layer 2, described damping mortar plastering layer thickness can be controlled to be 5mm; Spread cement powder on damping mortar plastering layer with 0.9mm sieve sieve again, and with plaster trowel its troweling is constituted cement topping 3, the thickness of cement topping is 4mm.
C: lay the conventional cement mortar leveling layer: after the sclerosis of the cement topping on the above-mentioned damping mortar plastering layer of being finished, re-lay the thick conventional cement mortar leveling layer of 25mm; technology maintenance routinely, the compressive strength of the used cement mortar of this conventional cement mortar leveling layer should not be lower than 20MPa.
After having finished above-mentioned laying construction step, just formed acoustical insulation floor of the present invention, for rough house, this ground that is coated with acoustical insulation floor has reached the building standard of handing over.And had good defening effect.
Embodiment 2:
As shown in Figure 2:
In the present embodiment, at first prepare the damping mortar, according to 80 kilograms of building sands, the weight proportion combination construction that 10 kilograms of rubber grains and fine powder for building are 10 kilograms sand, rubber grain and fine powder for building, in the damping mortar that mixes, add an amount of water then, adopt the method for ordinary mortar leveling layer to be laid in the floor basic unit 1 that handled after stirring, constitute damping mortar plastering layer 2, described damping mortar plastering layer thickness can be controlled to be 10mm.For preventing to produce overhead speaker, the damping mortar plastering layer that is positioned at place, corner 5 should return the about 50mm of wall, and its thickness is thinned to 0mm gradually by 10mm.In order further to reduce cost, cement powder is mixed with the ratio of 2:1 with spun yarn for building, be sprinkling upon on the damping mortar plastering layer thickness with 0.8mm sieve sieve then, form the thick cement topping 3 of about 3mm.
After cement topping 3 sclerosis of finishing on the damping mortar plastering layer 2 of above-mentioned operation, re-lay the thick conventional cement mortar leveling layer 4 of 30mm, technology maintenance routinely, the compressive strength of the used cement mortar of this ordinary mortar topping should not be lower than 20MPa.
Other parts of present embodiment are identical with embodiment 1.
Claims (9)
1. an acoustical insulation floor for construction is characterized in that it comprises the conventional cement mortar leveling layer on upper strata and the damping mortar plastering layer of lower floor; Described damping mortar plastering layer is laid by the acoustic damping mortar and is formed, and spreads the cement topping that is made of cement powder at described damping mortar plastering layer top sieve; Described acoustic damping mortar comprises following component in percentage by weight:
Building sand 60%～80%, rubber grain 5%～20%,
Fine powder 10%～20% for building.
2. the acoustical insulation floor for construction described in the claim 1 is characterized in that described building sand is medium sand for building or fine sand.
3. the acoustical insulation floor for construction described in claim 1 is characterized in that the fineness of the fineness of described rubber grain and building sand is approaching.
4. the acoustical insulation floor for construction described in the claim 1 is characterized in that described fine powder for building is flyash or French chalk.
5. the acoustical insulation floor for construction described in the claim 1 is characterized in that described fine powder for building is the approaching inert mineral powder of fineness and flyash.
6. laying method that is used for the acoustical insulation floor for construction described in the claim 1 is characterized in that it comprises following processing step:
A: base treatment: foreign material in the basic unit to be cleaned out before laying, and the sharp object in the processing basic unit, guarantee that basic unit is smooth;
B, laying damping screed: at first prepare the damping mortar, percentage by weight combination construction sand, rubber grain and fine powder for building according to building sand 60%～80%, rubber grain 5%～20%, fine powder for building 10%～20%, in the damping mortar that mixes, add an amount of water then, adopt the method for ordinary mortar leveling layer to be laid in the floor basic unit that handled after stirring, constitute damping mortar plastering layer; Spread cement powder on damping mortar plastering layer with the sieve sieve again, and with plaster trowel its troweling is constituted the cement topping, the thickness of cement topping is 1mm～3mm.
C: lay the conventional cement mortar leveling layer: after the sclerosis of the cement topping on the damping mortar plastering layer, re-lay the thick conventional cement mortar leveling layer of 25～30mm, and technology maintenance routinely.
7. the laying method of the acoustical insulation floor for construction described in claim 6, the thickness that it is characterized in that described damping mortar plastering layer is 5～10mm.
8. the method for the acoustical insulation floor for construction described in claim 6, but it is characterized in that combination construction fine sand in cement powder; The ratio of described fine sand for building and cement powder is 2: 1～3: 1.
9. the laying method of the acoustical insulation floor for construction described in claim 6 is characterized in that should returning the about 50mm of wall at the damping mortar plastering layer at place, corner, and its thickness is thinned to 0mm gradually by 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2007100755853A CN101363272B (en) | 2007-08-10 | 2007-08-10 | Acoustical insulation floor for construction and laying method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100755853A CN101363272B (en) | 2007-08-10 | 2007-08-10 | Acoustical insulation floor for construction and laying method thereof |
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| CN101363272A CN101363272A (en) | 2009-02-11 |
| CN101363272B true CN101363272B (en) | 2010-07-14 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947919B (en) * | 2015-06-24 | 2018-01-02 | 深圳市建筑科学研究院股份有限公司 | floor sound insulation brick |
| CN108240092A (en) * | 2016-12-27 | 2018-07-03 | 马明 | A kind of preparation method in roof sound insulation damping moving surface layer |
| CN110104999A (en) * | 2019-05-17 | 2019-08-09 | 惠州市水电建筑工程有限公司 | Insulate against sound mortar, acoustical insulation floor and construction techniques |
| CN110397244A (en) * | 2019-07-30 | 2019-11-01 | 赵鹏付 | A kind of tile work technique of pugging |
| CN112302290A (en) * | 2020-10-23 | 2021-02-02 | 神州必晟建设发展有限公司 | Integrally-cast sound insulation and vibration reduction cavity ground structure and construction method |
| CN114809524A (en) * | 2022-04-14 | 2022-07-29 | 常州立澄环保科技发展有限公司 | Laying method of LM floating floor heat preservation and sound insulation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1375778A1 (en) * | 2002-06-21 | 2004-01-02 | Polynauve S.A.R.L. | Insulation material on the bases of recycled rubber and its use |
| CN2658285Y (en) * | 2003-09-30 | 2004-11-24 | 张在东 | Building floor board with sound insulation device |
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- 2007-08-10 CN CN2007100755853A patent/CN101363272B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1375778A1 (en) * | 2002-06-21 | 2004-01-02 | Polynauve S.A.R.L. | Insulation material on the bases of recycled rubber and its use |
| CN2658285Y (en) * | 2003-09-30 | 2004-11-24 | 张在东 | Building floor board with sound insulation device |
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| CN101363272A (en) | 2009-02-11 |
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Owner name: SHENZHEN INSTITUTE OF BUILDING RESEARCH CO., LTD. Free format text: FORMER NAME: SHENZHEN BUILDING SCIENCE RESEARCH INSTITUTE CO., LTD. Owner name: SHENZHEN BUILDING SCIENCE RESEARCH INSTITUTE CO., Free format text: FORMER NAME: SHENZHEN INSTITUTE OF BUILDING RESEARCH |
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Address after: Five building, building 8, Zhenhua Road, Shenzhen, Guangdong, Futian District 518031, China Patentee after: Shenzhen Institute of Building Research Co.,Ltd. Address before: Five building, building 8, Zhenhua Road, Shenzhen, Guangdong, Futian District 518031, China Patentee before: Shenzhen Institute of Building Research |
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Address after: Three road 518049 Guangdong city of Shenzhen province Futian District, Mei Ao No. 29 Patentee after: SHENZHEN INSTITUTE OF BUILDING RESEARCH Co.,Ltd. Address before: Five building, building 8, Zhenhua Road, Shenzhen, Guangdong, Futian District 518031, China Patentee before: Shenzhen Institute of Building Research Co.,Ltd. |