CN105220862A - Floor sound insulating structure - Google Patents
Floor sound insulating structure Download PDFInfo
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- CN105220862A CN105220862A CN201410271439.8A CN201410271439A CN105220862A CN 105220862 A CN105220862 A CN 105220862A CN 201410271439 A CN201410271439 A CN 201410271439A CN 105220862 A CN105220862 A CN 105220862A
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- cell foam
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Abstract
The present invention discloses a kind of floor sound insulating structure, be made up of resilient closed cell foam's concrete, elastic vibration isolation bar, cement mortar, surface material, described resilient closed cell foam's concrete cast in situs is on building structure floor topping, resilient closed cell foam's concrete uses cement mortar paved surface layer material, elastic vibration isolation bar is set at cement mortar, surface material and building structure facade.The cement-based elastic closed-cell foam concrete that described resilient closed cell foam's coagulation soil series is formed by cement, water, blowing agent, Admixture, rubber powder, polypropylene fibre superbhort fiber.The concrete thickness of described resilient closed cell foam, according to different vibration and noise reducing requirements, is 30mm ~ 60mm.Resilient closed cell foam's concrete and building structure floor topping, cement mortar in conjunction with firm, hollowing can not be produced, construct simple and convenient, cheap, be easy to promote.
Description
Technical field
The present invention relates to a kind of noise control technique field, especially can meet a point floor sound insulating structure for family floor crashing sound insulation standard.
Background technology
Present stage market of real estate is supplied in the commercial residential buildings that customer uses, a large amount of designs by the first standard of finishes, tier is wherein making cement mortar levelling layer on reinforced concrete structure layer, and it is >=80dB(A substantially that sound level is clashed in the weighted standardization of floor).When resident family carries out secondary decoration, if the surface material selected is hard material (granite, floor ceramic tile etc.), be that the impact sound sound insulation not reaching regulation requires.And floor crashing is not up to standard, in architecture indoor, the floor crashing that furniture generation was jumped, pulled in walking, the race of people is propagated by building structure, and being that main biography is past downstairs, is wideband structural vibration noise.This is that vast civilian construction user is the most disgustful, also result in many neighbourhood contradiction.Just need when architectural design to consider to take necessary sound insulation measure to floor.
Code for sound insulation design of civil buildings GB50118-2010 shows 4.2.7 and divides family floor crashing sound insulation standard (point family floor in bedroom, sitting room (Room))≤75(dB); Table 4.2.8 high request Separate Home floor crashing sound insulation standard (point family floor in bedroom, sitting room (Room))≤65(dB); Table 7.2.4 guest room floor crashing sound insulation standard (floor between guest room and room, upper strata) superfine requirement≤55(dB).
Floating build floor improves the most effective measures of floor crashing sound-insulation capability, and it can meet≤55(dB) superfine requirement.Floating build floor is on original structure floor, use cement mortar to carry out leveling layer, and leveling layer is laid one deck elastic damping layer, and the interface between elastic damping layer uses adhesive tape close or repave last layer plastic waterproof membrane.Place reinforced mesh, for the cable and the plumbing pipe that pass wall and floor, application elasticity sound absorption and insulation material parcel, build the thick pea gravel concreten of 40 ~ 80mm again, form microlith reinforced concrete floor with reinforced mesh, microlith reinforced concrete floor lays hard material floor covering by cement mortar.Because the operation of floating build floor is comparatively complicated, cost is higher, and the duration is all long.If the elasticity of elastic damping layer is better, the thickness of microlith reinforced concrete floor just requires thicker, otherwise hard material floor covering discontinuity equalization can produce fracture.Due to existing sound isolation of floor pad system product of rubber and plastic, inflammable and use a period of time can produce sclerosis, hollowing phenomenon.Simultaneously because the increase on thickness ground can cause the interior space to reduce, the deficiency that built-loading increases.
The solution of floor crashing is different from other Sound insulation for building components, and This floor arranges floor sound insulating structure, only can solve problem downstairs.Present country promotes well-decorated house, provides primary condition for solving floor crashing.Although floating build floor can meet have superfine require≤55(dB), for requiring to reach great majority point family floor crashings sound insulation standard≤75(dB) particularly a large amount of low-rent housing, housing built for the poor, cost is too high, and is difficult to popularization.How to find a kind of cheap, short construction period, good endurance, can meet and divide family floor crashing to insulate against sound a standard≤75(dB) floor sound insulating structure, become the research direction of vast acoustic engineering technician.
Summary of the invention
In order to overcome existing floating build floor complex procedures, cost deficiency higher, long in time limit, the invention provides a kind of floor sound insulating structure, a point family floor crashing sound insulation standard can be met; Construct simple and convenient, cheap, be easy to promote.
The technical solution adopted for the present invention to solve the technical problems is: a kind of floor sound insulating structure, be made up of resilient closed cell foam's concrete, elastic vibration isolation bar, cement mortar, surface material, described resilient closed cell foam's concrete cast in situs is on building structure floor topping, resilient closed cell foam's concrete uses cement mortar paved surface layer material, elastic vibration isolation bar is set at cement mortar, surface material and building structure facade.
Described elastic vibration isolation bar is arranged on cement mortar, floor topping material and building structure facade, is to cause vibration short circuit to prevent the vibration of floor topping material from entering building structure by building structure facade, affects defening effect.
The cement-based elastic closed-cell foam concrete that described resilient closed cell foam's coagulation soil series is formed by cement, water, blowing agent, Admixture, rubber powder, polypropylene fibre superbhort fiber.Described resilient closed cell foam's concrete comprises the composition of following weight ratio: cement 420 ~ 350, rubber powder 120 ~ 80, polypropylene fibre superbhort fiber 2 ~ 0.8.The length of described polypropylene fibre superbhort fiber is 5-10mm.
Described rubber powder is the fineness >=200 object rubber powder that the reclaimed rubber produced by junked tire is prepared from.To improve rubber powder at the suspension of slip and distributing homogeneity, both can increase the elasticity of floor sound insulating structure, improve its anti-vibration performance, simultaneously cheap.Rubber powder is coated in the foam concrete of closed pore, can improve the weatherability of rubber powder, improves application life.
Polypropylene fibre superbhort fiber can increase the concrete toughness of resilient closed cell foam, reduces fragility, improves the concrete deformation force of resilient closed cell foam and anti-impact force.Its cellular structure of closed-cell foam concrete makes it have certain modulus of elasticity, has good absorption and dispersion, adds rubber powder, polypropylene fibre superbhort fiber can improve modulus of elasticity further to vibratory impulse.
Described resilient closed cell foam's concrete, its dry density >=500kg/m3, compressive strength >=1Mpa, meet the load requirement of floor topping material.
The concrete thickness of described resilient closed cell foam, according to different vibration and noise reducing requirements, is 30mm ~ 60mm.In engineering practice, resilient closed cell foam's concrete can be substituted in that original structure floor uses cement mortar to carry out is levelling, the height laid is 30mm, if the sound insulation factor required meets high request Separate Home floor crashing sound insulation standard≤65(dB), the height of laying can be increased to 60mm further.
Due to resilient closed cell foam's concrete be cement-based material and building structure floor, cement mortar compatibility good, hollowing phenomenon can not be produced.
The invention has the beneficial effects as follows: a point family floor crashing sound insulation standard≤75(dB 1, can be met) and high request Separate Home floor crashing sound insulation standard≤65(dB) floor sound insulating structure.
2, do not increase the ground level of floor, do not increase additional duty.
3, existing construction process requirement is met.
4, operation is simple, with low cost, construction method is easy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is sectional structural map of the present invention.
1. building structure floors, 2. resilient closed cell foam's concrete, 3. cement mortar, 4. surface material, 5. building structure facade, 6. elastic vibration isolation bar in figure.
Detailed description of the invention
In the embodiment shown in fig. 1, on building structure floor (1), water is added polypropylene fibre superbhort fiber, after rubber powder stirs, add cement, Admixture forms slurry after continuing stirring, foam at foaming machine after blowing agent being diluted with water, foaming uses mechanization to be pumped into the scope of operation after mixing with slurry, directly build floating, natural curing becomes resilient closed cell foam's concrete (2), after full during fencing lawn, directly on resilient closed cell foam's concrete (2), use cement mortar (3) paved surface layer material (4), when paved surface layer material (4), cement mortar (3), elastic vibration isolation bar (6) is set between surface material (4) and building structure facade (5).
Should be appreciated that without departing from the scope of the present invention, multiple change can be made to above-described embodiment, and be applied to other occasions.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a floor sound insulating structure, be made up of resilient closed cell foam's concrete, elastic vibration isolation bar, cement mortar, surface material, it is characterized in that: described resilient closed cell foam's concrete cast in situs is on building structure floor topping, resilient closed cell foam's concrete uses cement mortar paved surface layer material, elastic vibration isolation bar is set at cement mortar, surface material and building structure facade.
2. floor sound insulating structure according to claim 1, is characterized in that: the cement-based elastic closed-cell foam concrete that described resilient closed cell foam's coagulation soil series is formed by cement, water, blowing agent, Admixture, rubber powder, polypropylene fibre superbhort fiber.
3. floor sound insulating structure according to claim 2, is characterized in that: described resilient closed cell foam's concrete comprises the composition of following weight ratio: cement 420 ~ 350, rubber powder 120 ~ 80, polypropylene fibre superbhort fiber 2 ~ 0.8.
4. floor sound insulating structure according to claim 2, is characterized in that: the length of described polypropylene fibre superbhort fiber is 5-10mm.
5. floor sound insulating structure according to claim 2, is characterized in that: described rubber powder is the fineness >=200 object rubber powder that the reclaimed rubber produced by junked tire is prepared from.
6. floor sound insulating structure according to claim 1, is characterized in that: the concrete thickness of described resilient closed cell foam requires as 30mm ~ 50mm according to different vibration and noise reducings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271439.8A CN105220862A (en) | 2014-06-18 | 2014-06-18 | Floor sound insulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271439.8A CN105220862A (en) | 2014-06-18 | 2014-06-18 | Floor sound insulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105220862A true CN105220862A (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410271439.8A Pending CN105220862A (en) | 2014-06-18 | 2014-06-18 | Floor sound insulating structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202255A (en) * | 2021-04-29 | 2021-08-03 | 山东高速齐鲁建设集团有限公司 | House sound insulation floor and preparation method thereof |
Citations (8)
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|---|---|---|---|---|
| KR100420826B1 (en) * | 2001-05-04 | 2004-03-03 | 박영환 | A floor impact noise reduce structure of building slab |
| CN101571002A (en) * | 2008-04-28 | 2009-11-04 | Ls电线有限公司 | Buffering material and acoustic panel with the same |
| CN101736887A (en) * | 2008-11-06 | 2010-06-16 | Ls电线有限公司 | Floor impact sound asorbing panel |
| CN201627271U (en) * | 2010-01-14 | 2010-11-10 | 中国水电顾问集团华东勘测设计研究院 | Aseismatic joint structure used between adjacent structures |
| CN102206096A (en) * | 2011-04-13 | 2011-10-05 | 河北建筑工程学院 | Multi-phase combined lightweight aggregate concrete and preparation method thereof |
| CN103835417A (en) * | 2012-11-26 | 2014-06-04 | 陈祥凤 | Heat-preservation and sound-insulation floor |
| CN203821785U (en) * | 2014-03-26 | 2014-09-10 | 深圳市升源建声科技有限公司 | Floor sound insulation structure |
| CN203878934U (en) * | 2014-06-18 | 2014-10-15 | 厦门嘉达声学技术有限公司 | Floor sound-insulation structure |
-
2014
- 2014-06-18 CN CN201410271439.8A patent/CN105220862A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100420826B1 (en) * | 2001-05-04 | 2004-03-03 | 박영환 | A floor impact noise reduce structure of building slab |
| CN101571002A (en) * | 2008-04-28 | 2009-11-04 | Ls电线有限公司 | Buffering material and acoustic panel with the same |
| CN101736887A (en) * | 2008-11-06 | 2010-06-16 | Ls电线有限公司 | Floor impact sound asorbing panel |
| CN201627271U (en) * | 2010-01-14 | 2010-11-10 | 中国水电顾问集团华东勘测设计研究院 | Aseismatic joint structure used between adjacent structures |
| CN102206096A (en) * | 2011-04-13 | 2011-10-05 | 河北建筑工程学院 | Multi-phase combined lightweight aggregate concrete and preparation method thereof |
| CN103835417A (en) * | 2012-11-26 | 2014-06-04 | 陈祥凤 | Heat-preservation and sound-insulation floor |
| CN203821785U (en) * | 2014-03-26 | 2014-09-10 | 深圳市升源建声科技有限公司 | Floor sound insulation structure |
| CN203878934U (en) * | 2014-06-18 | 2014-10-15 | 厦门嘉达声学技术有限公司 | Floor sound-insulation structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202255A (en) * | 2021-04-29 | 2021-08-03 | 山东高速齐鲁建设集团有限公司 | House sound insulation floor and preparation method thereof |
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Application publication date: 20160106 |
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