CN102249614B - Light thermal insulation soundproof damping floor mortar - Google Patents
Light thermal insulation soundproof damping floor mortar Download PDFInfo
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- CN102249614B CN102249614B CN2011101329703A CN201110132970A CN102249614B CN 102249614 B CN102249614 B CN 102249614B CN 2011101329703 A CN2011101329703 A CN 2011101329703A CN 201110132970 A CN201110132970 A CN 201110132970A CN 102249614 B CN102249614 B CN 102249614B
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- thermal insulation
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- light thermal
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- damping floor
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- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses light thermal insulation soundproof damping floor mortar, which is prepared by mixing the following components in percentage by mass: 30 to 40 percent of cement, 0 to 28 percent of coarse elastic rubber aggregate, 5 to 50 percent of fine elastic rubber aggregate, 5 to 15 percent of inorganic vitrified microsphere aggregate, 0.5 to 3 percent of redispersible emulsion powder, 0.05 to 0.15 percent of cellulose ether, 0.02 to 0.06 percent of 6mm fiber and 0.05 to 0.1 percent of hectorite aid. Inorganic silicate is taken as a binding material, so the light thermal insulation soundproof damping floor mortar has good compatibility with cement mortar and a concrete base, is firmly bound, avoids a hollowing phenomenon, is suitable for various base conditions, has a leveling function under the condition of poor evenness, is easy and convenient to construct, and can be scraped after being added with water and uniformly stirred; the whole soundproof layer is a whole, sound bridges are greatly reduced, the compression strength is moderate, the deformation hardly occurs, and the load of a building cannot be increased greatly; and the light thermal insulation soundproof damping floor mortar has low coefficient of heat conductivity, makes floors soundproof, and has the thermal insulation effect.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of light thermal insulation soundproof damping floor mortar.
Background technology
Just promulgated " Code for sound insulation design of civil buildings " (GBJ118-1988) as far back as China in 1988, stipulated the noice control in bedroom, living room (Room), the indexs such as oise insulation factor that partition wall, floor should reach.Over twenties years, the Residence Design progress is very large, more and more pays close attention to the energy-saving heat preserving performance of buildings, payes attention to the aspects such as plane function layout, greening, architectural appearance in room, but has ignored the strike note sound insulation of the problem, particularly floor of buildings sound insulation.Even the high price room that resident family buys, its floor bump sound insulation property also may not necessarily be up to standard.Live in like this and do not have in the buildings of hommization, the quality of life of resident family reduces greatly, along with the attention of resident family to quality of life, can more and more pay attention to the sound insulation design of floor, in case query, the developer just can experience huge pressure, wherein is no lack of the case by legal means success right-safeguarding.The present residential district major part all is to adopt concrete floor, and the thick reinforced concrete floor weighted stdn strike note of 120mm is arbitrarily downgraded substantially about 80dB, resident family need to carry out secondary decoration just can reach code requirement, but for dwelling house, what the impact use was transformed in floor sound insulation is this family, and directly the beneficiary is resident family downstairs, and it is very large that the later stage is implemented difficulty.Therefore, government department and real estate developer must settle floor sound insulation at one go in the design and construction stage, and namely synchronous design, synchronous construction are avoided Late reformation as far as possible.
For floor sound insulation, adopt at present the more floating build floor technology that is.The soundproof principle of this technology is to intercept the propagation of vibration in floor structure, is exactly at load-bearing reinforced concrete floor pad one deck resilient sound isolation layer, and then the above's stone, reinforced concrete layer of running business into particular one repaves flooring.Wherein the resilient sound isolation layer mostly is greatly acoustic pad and coiled material etc., but there is drawback in these materials: poor with the sand-cement slurry consistency, need the special binder material to bond with basic unit, easily produce hollowing, planeness to basic unit requires height, need to cut out and splice the slit and process, and affects defening effect if deal with easy formation overhead speaker improperly, the easy damaged performance that affects in the process, the low easily distortion of ultimate compression strength etc. are installed and used in transportation.Therefore, market is easy to construct and product that sound insulation property well is different from traditional soundproof material is plugged a gap in the urgent need to a kind of.
Summary of the invention
A kind of novel light heat preservation and soundproof damping terrace mortar of providing for the deficiencies in the prior art is provided, this mortar is take inorganic silicate as gelling material, therefore all good with sand-cement slurry and concrete base layer consistency, bonding firmly, avoid the hollowing phenomenon, adapt to various basic units situation, in the very poor situation of planeness, this mortar also can have leveling function concurrently, and it is very easy to construct, the same with other dry-mix product, adding water stirs to criticize and scrapes use, whole pugging is as a whole, has greatly reduced the existence of overhead speaker, and ultimate compression strength is moderate, be difficult for producing distortion, and this mortar can not increase considerably the load of buildings, has very low thermal conductivity, has heat insulating effect when making floor sound insulation.And this material is except can be used for floating build floor structure, also can directly lay on the surface ornament layer simplifying working process, and batch scrapes thickness can select from several millimeters to several centimetres according to user's needs.
The object of the present invention is achieved like this:
A kind of novel light heat preservation and soundproof damping terrace mortar, this mortar is aided with various aggregates and additive and mixes take the inorganic silicic acid salt material as gelling material, and concrete proportioning is as follows:
Special cement 30～40%
Elastic caoutchouc aggregate (slightly) 0～28%
Elastic caoutchouc aggregate (carefully) 5～50%
Inorganic glass bead aggregate 5～15%
Redispersable latex powder 0.5～3%
Ether of cellulose 0.05～0.15%
6mm fiber 0.02～0.06%
Hectorite auxiliary agent 0.05～0.1%.
Described percentage composition is the quality percentage composition.
Described ether of cellulose is methyl hydroxyethylcellulose ether or methylhydroxypropylcellulose ether; The 6mm fiber is synthon; Redispersable latex powder is ethene-Vinyl Acetate Copolymer multipolymer.
Described special cement is 32.5R silicate cement or 42.5R silicate cement.
Described elastic caoutchouc aggregate (slightly) is particle diameter 10～20 purpose rubber grains, and elastic caoutchouc aggregate (carefully) is particle diameter 20～40 purpose rubber grains.
The invention solves the contradiction of ultimate compression strength and surface elasticity, the contradiction of ultimate compression strength and low thermal conductivity, lightweight and bump cause the contradiction of resonance, make each performance reach the trim point an of the best, has simultaneously several functions, and in the construction process because the adding of high-performance water-retaining agent, moisture can be stored in the mortar for a long time, makes the mortar hydration and hardening more abundant; The modification of high molecular polymer strengthens mortar force of cohesion, and cohesive force improves; In addition because the adding of hectorite auxiliary agent is criticized mortar scrapes very smooth and sticking cutter improves the construction comfort level greatly.
Embodiment
In the embodiment of table 1, mix according to its ratio, form dry mash, 35% the water that adds the dry powder gross weight in the construction in the scene, adopt stirrer to mix namely to criticize at the construction floor and scrape, then carry out various performance tests, table 2 is test data.
Embodiment
The table % of 1(unit)
Form 2
Basic unit is that reinforced concrete floor 140mm is thick, on it with the present invention as overlay, thickness is 10mm, then according to GBJ75-84 " Code for measurement of building sound insulation ", GB/T19889.8-2006/ISO140-8:1997 " acoustics building and building slab sound insulation measurement the 8th part: the laboratory measurement of heavy standard floor overlay strike note improvement amount ", the standard beating device that improves the sounding chamber of ground unrest by sound source beats this mortar surface, then cause vibration of floor, sound by air and solid Vibration propagation to the chamber that quiets down, test center's range of frequency is 100Hz～3150Hz, draw at last the weighted standardization strike note improvement amount △ Lw(dB that arbitrarily downgrades): 17dB(CI, △ :-8).
Production technique:
Production unit is tower type automatic production line wholly computer controlled, comprises the compositions such as lift, pre-mixing cabin, small feed bin, mixing machine, finished bin, wrapping machine, fly-ash separator, electrical control cubicles, gas-liquid equilibrium system.Be promoted to the feed bin top through pretreated starting material by lift, accurately control computation weigh through computer, rely on the starting material own wt to enter mixing machine from feed bin, evenly mix through high efficient mixer again, last metering packing.Whole process computer is accurately controlled, the production system that whole process using is airtight, and no dust pollution has guaranteed cleaned in situ and workman's health.
Construction procedure
:
1. base treatment: remove the factor of any impact bonding of basic unit, such as greasy dirt, dust etc.
2. interface processing: batch scrape the cement-based interface agent.
3. pugging construction: by water cement ratio the damping mortar is stirred, can criticize and scrape, can criticize several times and scrape, thickness need to be selected by the user.
4. protective layer construction: if need to bear large load in the use procedure, then need carry out the construction of one sand-cement slurry or pea gravel concreten on the pugging.
5. ornament layer construction: carry out the timber floor installation or carry out the stickup of floor tile at protective layer or at pugging.
Precaution
:
1. churning time is unsuitable long, avoids introducing a large amount of gases and affects mortar performance.
2. in the construction process, pugging and above will preventing are rigidly connected with metope formation all around and affect sound insulation property.
3. engineering time and completing 24 hours in, basic unit and envrionment temperature should not be lower than 5 ℃.
4. material stores to guard against damp and drenches with rain, and about 6 months of storage period, does not use if any caking phenomenon.
The present invention has had the function of sound insulation and insulation simultaneously concurrently, and self has the characteristics of elastic damping.It is very convenient to construct, and similar ordinary mortar adds water and stirs to criticize and scrape.For more solid and reliable with the reinforced concrete floor bonding, be equipped with the cement-based interface agent, then carrying out criticizing of damping mortar scrapes, can criticize several times and scrape, until required thickness if this floor need to bear very large load in use procedure, then also can carry out the construction of one deck sand-cement slurry or pea gravel concreten on the damping mortar, if the load that this floor in use bears is little, then can directly carry out the construction of finish coat at the damping mortar.After whole sound insulation terrace system finished, weight dropped on floor, and floor is impacted; elasticity aggregate in this mortar makes the pugging surface have certain elasticity; therefore impact has shock absorption, thereby has protected the floor fracture that can not be impacted, simultaneously; be passed to pugging owing to impact the vibration that causes; cause the damping vibration of elasticity aggregate, make vibrational energy be converted into heat energy, vibration weakens gradually; thereby sound transmission is weakened, play the effect of sound insulation.And mineral aggregate wherein and elasticity aggregate are the material of low thermal conductivity, therefore the thermal conductivity ratio of this mortar tradition mortar heat conductivity coefficient is much lower, thermal resistance is relatively high, can well reduce the conduction of heat, play the effect of heat insulating, can be combined with the insulation of body of wall and participate in thermal technology's calculating, make the heat preservation and energy conservation effects of whole buildings better.
Claims (5)
1. a light thermal insulation soundproof damping floor mortar is characterized in that this mortar is mixed with the quality percentage composition by following component, and concrete proportioning is as follows:
Special cement 30～40%
Thick elastic caoutchouc aggregate 0～28%
Thin elastic caoutchouc aggregate 5～50%
Inorganic glass bead aggregate 5～15%
Redispersable latex powder 0.5～3%
Ether of cellulose 0.05～0.15%
6mm fiber 0.02～0.06%
Hectorite auxiliary agent 0.05～0.1%;
The quality percentage composition sum of above-mentioned each component equals 100%; Wherein:
Described thick elastic caoutchouc aggregate is particle diameter 10～20 purpose rubber grains, and thin elastic caoutchouc aggregate is particle diameter 20～40 purpose rubber grains.
2. light thermal insulation soundproof damping floor mortar according to claim 1 is characterized in that described ether of cellulose is methyl hydroxyethylcellulose ether or methylhydroxypropylcellulose ether.
3. light thermal insulation soundproof damping floor mortar according to claim 1 is characterized in that described 6mm fiber is synthon.
4. light thermal insulation soundproof damping floor mortar according to claim 1 is characterized in that described redispersable latex powder is ethene-Vinyl Acetate Copolymer multipolymer.
5. light thermal insulation soundproof damping floor mortar according to claim 1 is characterized in that described special cement is 32.5R silicate cement or 42.5R silicate cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101329703A CN102249614B (en) | 2011-05-23 | 2011-05-23 | Light thermal insulation soundproof damping floor mortar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101329703A CN102249614B (en) | 2011-05-23 | 2011-05-23 | Light thermal insulation soundproof damping floor mortar |
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| CN102249614A CN102249614A (en) | 2011-11-23 |
| CN102249614B true CN102249614B (en) | 2013-01-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016051382A1 (en) * | 2014-10-03 | 2016-04-07 | Italcementi S.P.A. | Lightweight resilient concrete sub-base layer with recycled rubber from discarded tyres with reduced walking impact noise |
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| CN103896528B (en) * | 2012-12-24 | 2016-02-24 | 深圳市嘉达高科产业发展有限公司 | A kind of flooring sound-insulating waterproof mortar and preparation method thereof |
| CN103342520B (en) * | 2013-07-01 | 2016-01-06 | 中国地质大学（武汉） | A kind of polymer modification rubberized mortar for building screed-coat and constructional method thereof |
| CN103771794B (en) * | 2013-12-18 | 2016-03-09 | 深圳市升源建声科技有限公司 | A kind of sound insulation mortar and preparation method thereof |
| US9133616B2 (en) * | 2013-12-23 | 2015-09-15 | Nano And Advanced Materials Institute Limited | High performance cementitious materials for flooring underlayment with enhanced impact sound insulation |
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| JPH11189453A (en) * | 1997-09-19 | 1999-07-13 | Takenaka Komuten Co Ltd | Lightweight mortar composition and decorative finishing material using the same composition |
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| CN101343166B (en) * | 2008-07-18 | 2012-02-22 | 北京工业大学 | Preparation method for impact resistant ecological concrete |
| CN101921087B (en) * | 2009-06-12 | 2012-10-17 | 中冶建筑研究总院有限公司 | Special concrete using waste and old rubber particle and steel slag particle as aggregate |
| CN101717232B (en) * | 2009-12-15 | 2012-05-23 | 威海隆济时节能科技有限公司 | High-performance lightweight composite mortar |
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2011
- 2011-05-23 CN CN2011101329703A patent/CN102249614B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016051382A1 (en) * | 2014-10-03 | 2016-04-07 | Italcementi S.P.A. | Lightweight resilient concrete sub-base layer with recycled rubber from discarded tyres with reduced walking impact noise |
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