CN117107974B - High-performance floor sound insulation system and construction method thereof - Google Patents

High-performance floor sound insulation system and construction method thereof Download PDF

Info

Publication number
CN117107974B
CN117107974B CN202311384527.4A CN202311384527A CN117107974B CN 117107974 B CN117107974 B CN 117107974B CN 202311384527 A CN202311384527 A CN 202311384527A CN 117107974 B CN117107974 B CN 117107974B
Authority
CN
China
Prior art keywords
parts
sound insulation
elasticity
insulation system
strength
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.)
Active
Application number
CN202311384527.4A
Other languages
Chinese (zh)
Other versions
CN117107974A (en
Inventor
刘联华
张燕刚
南艳丽
冯雅
王晓
刘东升
许峻槐
冯瑶函
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.)
China Southwest Architectural Design and Research Institute Co Ltd
Original Assignee
China Southwest Architectural Design and Research Institute Co 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 China Southwest Architectural Design and Research Institute Co Ltd filed Critical China Southwest Architectural Design and Research Institute Co Ltd
Priority to CN202311384527.4A priority Critical patent/CN117107974B/en
Publication of CN117107974A publication Critical patent/CN117107974A/en
Application granted granted Critical
Publication of CN117107974B publication Critical patent/CN117107974B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • 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
    • 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
    • C04B28/14—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 calcium sulfate cements
    • C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's cement
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/06—Implements for applying plaster, insulating material, or the like
    • E04F21/08—Mechanical implements
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40—Porous or lightweight materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a high-performance floor sound insulation system and a construction method thereof, and belongs to the technical field of building sound insulation, wherein the high-performance sound insulation system consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer, and the high-elasticity high-strength sound insulation pad comprises the following raw materials in parts by weight: 100 parts of high-elasticity emulsion, 40-60 parts of rubber powder, 30-50 parts of quartz sand, 10-15 parts of cement, 10-15 parts of perlite and 5-10 parts of heavy calcium powder, wherein the high-hardness protective layer comprises the following raw materials in parts by weight: 100 parts of high-elasticity emulsion, 140-180 parts of quartz sand, 20-40 parts of cement and 10-20 parts of anhydrite; the high-performance floor sound insulation system has the characteristic of 'flexible downward spring upward', the total thickness of the system is smaller than 10mm, the normal use requirement can be met, and the problems of poor sound insulation effect, low sound insulation pad strength and easiness in cracking of a protective layer of the existing sound insulation material are solved.

Description

High-performance floor sound insulation system and construction method thereof
Technical Field
The invention relates to the technical field of building sound insulation, in particular to a high-performance floor sound insulation system and a construction method thereof.
Background
With the implementation of noise pollution prevention and control methods, people pay attention to sound environment control increasingly, wherein aiming at floor impact sound insulation, floor impact sound pressure level indexes are improved in various revised national standards.
Aiming at residential projects with sound insulation requirements and clear water delivery requirements, a sound insulation pad and protection layer structure system is generally adopted for sound insulation, wherein the sound insulation pad is generally extruded polystyrene board, polyurethane spraying or prefabricated sound insulation pad, but the sound insulation effect is poor, the strength is low, the sound insulation coefficient can be reduced when the load is large, the protection layer is generally fine stone concrete and gypsum-based self-leveling mortar, and the sound insulation pad is extremely easy to crack and cannot meet the clear water delivery requirements due to the influence of the quality uniformity of raw materials, the construction proficiency and the volume stability (shrinkage or expansion) of the materials in the construction process.
Disclosure of Invention
The invention aims to solve the technical problems of poor sound insulation effect, low strength and easy cracking of a protective layer of the traditional sound insulation system, and provides a high-performance floor sound insulation system and a construction method thereof, wherein the high-performance floor sound insulation system has the characteristic of being flexible upwards and downwards, the total thickness of the system is less than 10mm, and the normal use requirement can be met, so that the problems of poor sound insulation effect, low sound insulation pad strength and easy cracking of the protective layer of the traditional sound insulation material are solved.
The invention is realized by the following technical scheme:
the high-performance floor sound insulation system consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer;
the high-elasticity high-strength sound insulation pad comprises the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 40-60 parts of rubber powder, 30-50 parts of quartz sand, 10-15 parts of cement, 10-15 parts of perlite and 5-10 parts of heavy calcium powder;
the high-hardness protective layer comprises the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 140-180 parts of quartz sand, 20-40 parts of cement and 10-20 parts of anhydrite.
As a further technical scheme of the invention, the total thickness of the high-performance sound insulation system is smaller than 10mm.
As a further technical scheme of the invention, the grain size of the rubber powder is 50-100 meshes, the grain size of quartz sand is 200-300 meshes, the grain size of perlite is 200-300 meshes, and the grain size of heavy calcium carbonate particles is 500-600 meshes.
As a further technical scheme of the invention, the thickness of the high-elasticity high-strength sound insulation pad is 3-6 mm.
As a further technical scheme of the invention, the thickness of the high-hardness protective layer is 2-5 mm.
As a further technical scheme of the invention, the high-hardness protective layer further comprises 2-10 parts of pigment.
As a further technical scheme of the invention, the high-elastic emulsion is acrylic acid high-elastic emulsion.
A construction method of a high-performance floor sound insulation system adopts a mode of on-site spraying or knife coating for construction.
As a further technical scheme of the invention, the construction adopting the mode of on-site spraying or knife coating is specifically as follows:
adding the raw materials of the high-elasticity high-strength sound insulation pad into a stirrer according to a proportion, discharging the materials to a region to be constructed after uniformly stirring, and spraying or knife coating for construction;
and adding the raw materials of the high-hardness protective layer into a stirrer according to a proportion, discharging the stirred materials to the cured high-elasticity high-strength sound insulation pad area after stirring uniformly, and performing spraying or knife coating construction.
As a further technical scheme of the invention, before construction, the casting surface to be constructed is sprayed with water for wetting.
Compared with the prior art, the invention has the following advantages and beneficial effects:
in the high-performance floor sound insulation system, the high-elasticity emulsion is used as the cementing material, the high-elasticity high-strength sound insulation pad is glued with the elastic material by virtue of the high-elasticity emulsion, and a small amount of inorganic material is added for reinforcement, so that the sound insulation pad has elasticity, and has a sound insulation effect, and the strength is much higher than that of other materials in the market when the deformation reaches 10 percent due to the fact that the cement and the calcium powder cementing material are compounded; the high-hardness protective layer has the characteristics of high strength and flexibility under the combined action of high-elasticity emulsion, cement and aggregate, and has certain flexibility, so that cracking does not occur.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, materials, or methods have not been described in detail in order to avoid obscuring the present invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Firstly, it should be noted that the high performance floor sound insulation system of the present invention is an impact sound insulation material, which has substantial differences from the sound insulation materials in the prior art.
The sound absorption material is mainly aimed at air sound (such as automobile noise, meeting place sound, quarrying noise and the like), the sound absorption principle is that the material belongs to a porous material, the sound is absorbed by virtue of through holes of the material, the reflection of the sound is reduced, so that the purpose of sound absorption is achieved, and whether the material has elasticity or not is not required; the floor sound insulation system provided by the invention mainly aims at impact sound (such as jumping on a floor and knocking the floor by using a heavy hammer), and belongs to solid sound transmission.
In the high-performance floor sound insulation system, the high-elasticity emulsion is used as the cementing material, the high-elasticity high-strength sound insulation pad is glued with the elastic material by virtue of the high-elasticity emulsion, and a small amount of inorganic material is added for reinforcement, so that the sound insulation pad has elasticity, and has a sound insulation effect, and the strength is much higher than that of other materials in the market when the deformation reaches 10 percent due to the fact that the cement and the calcium powder cementing material are compounded; the high-hardness protective layer has the characteristics of high strength and flexibility under the combined action of high-elasticity emulsion, cement and aggregate, and has certain flexibility, so that cracking does not occur.
Example 1
The embodiment provides a high-performance floor sound insulation system, the structure of which is shown in figure 1 and consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer.
The high-elasticity high-strength sound insulation pad is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 40 parts of rubber powder, 50 parts of quartz sand, 15 parts of cement, 10 parts of perlite and 5 parts of heavy calcium powder.
The high-hardness protective layer is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 180 parts of quartz sand, 40 parts of cement, 20 parts of anhydrite and 2 parts of pigment.
The preparation method of the high-performance floor sound insulation system comprises the following steps:
(1) Sequentially adding 100 parts of high-elastic emulsion, 40 parts of rubber powder, 50 parts of quartz sand, 15 parts of cement, 10 parts of perlite and 5 parts of heavy calcium powder into a stirrer, uniformly stirring, discharging to a to-be-constructed area which is wetted by water, and carrying out blade coating construction, wherein the construction thickness is 5mm;
(2) And sequentially adding 100 parts of high-elastic emulsion, 180 parts of quartz sand, 40 parts of cement, 20 parts of anhydrite and 2 parts of pigment into a stirrer, discharging the mixture to a cured high-elastic high-strength sound insulation pad area after the mixture is uniformly stirred, and carrying out blade coating construction, wherein the construction thickness is 3mm.
And (3) correlation detection: 1. performance test is carried out on the high-performance floor sound insulation system of the embodiment, the time for recovering the high-elasticity high-strength sound insulation pad after deformation is 10% is 1.5s, and the cracking deflection of the high-hardness protective layer is 3%.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 64 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
Example 2
The embodiment provides a high-performance floor sound insulation system, which consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer.
The high-elasticity high-strength sound insulation pad is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 60 parts of rubber powder, 30 parts of quartz sand, 10 parts of cement, 15 parts of perlite and 10 parts of heavy calcium powder.
The high-hardness protective layer is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 180 parts of quartz sand, 40 parts of cement, 20 parts of anhydrite and 2 parts of pigment.
The preparation method of the high-performance floor sound insulation system comprises the following steps:
(1) Sequentially adding 100 parts of high-elastic emulsion, 60 parts of rubber powder, 30 parts of quartz sand, 10 parts of cement, 15 parts of perlite and 10 parts of heavy calcium powder into a stirrer, uniformly stirring, discharging to a to-be-constructed area which is wetted by water, and carrying out blade coating construction, wherein the construction thickness is 5mm;
(2) And sequentially adding 100 parts of high-elastic emulsion, 180 parts of quartz sand, 40 parts of cement, 20 parts of anhydrite and 2 parts of pigment into a stirrer, discharging the mixture to a cured high-elastic high-strength sound insulation pad area after the mixture is uniformly stirred, and carrying out blade coating construction, wherein the construction thickness is 3mm.
And (3) correlation detection: 1. performance test is carried out on the high-performance floor sound insulation system of the embodiment, the time for recovering the high-elasticity high-strength sound insulation pad after deformation is 10% is 0.8s, and the cracking deflection of the high-hardness protective layer is 3%.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 60 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
Example 3
The embodiment provides a high-performance floor sound insulation system, which consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer.
The high-elasticity high-strength sound insulation pad is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 40 parts of rubber powder, 50 parts of quartz sand, 15 parts of cement, 10 parts of perlite and 5 parts of heavy calcium powder.
The high-hardness protective layer is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 140 parts of quartz sand, 25 parts of cement, 10 parts of anhydrite and 10 parts of pigment.
The preparation method of the high-performance floor sound insulation system comprises the following steps:
(1) Sequentially adding 100 parts of high-elastic emulsion, 40 parts of rubber powder, 50 parts of quartz sand, 15 parts of cement, 10 parts of perlite and 5 parts of heavy calcium powder into a stirrer, uniformly stirring, discharging to a to-be-constructed area which is wetted by water, and carrying out blade coating construction, wherein the construction thickness is 5mm;
(2) And sequentially adding 100 parts of high-elastic emulsion, 140 parts of quartz sand, 25 parts of cement, 10 parts of anhydrite and 10 parts of pigment into a stirrer, discharging the mixture to a cured high-elastic high-strength sound insulation pad area after the mixture is uniformly stirred, and carrying out blade coating construction, wherein the construction thickness is 3mm.
And (3) correlation detection: 1. performance test is carried out on the high-performance floor sound insulation system of the embodiment, the time for recovering the high-elasticity high-strength sound insulation pad after deformation is 10% is 1.5s, and the cracking deflection of the high-hardness protective layer is 6%.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 64 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
Example 4
The embodiment provides a high-performance floor sound insulation system, which consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer.
The high-elasticity high-strength sound insulation pad is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 60 parts of rubber powder, 30 parts of quartz sand, 10 parts of cement, 15 parts of perlite and 10 parts of heavy calcium powder.
The high-hardness protective layer is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 140 parts of quartz sand, 25 parts of cement, 10 parts of anhydrite and 10 parts of pigment.
The preparation method of the high-performance floor sound insulation system comprises the following steps:
(1) Sequentially adding 100 parts of high-elastic emulsion, 60 parts of rubber powder, 30 parts of quartz sand, 10 parts of cement, 15 parts of perlite and 10 parts of heavy calcium powder into a stirrer, uniformly stirring, discharging to a to-be-constructed area which is wetted by water, and carrying out blade coating construction, wherein the construction thickness is 5mm;
(2) And sequentially adding 100 parts of high-elastic emulsion, 140 parts of quartz sand, 25 parts of cement, 10 parts of anhydrite and 10 parts of pigment into a stirrer, discharging the mixture to a cured high-elastic high-strength sound insulation pad area after the mixture is uniformly stirred, and carrying out blade coating construction, wherein the construction thickness is 3mm.
And (3) correlation detection: 1. performance test is carried out on the high-performance floor sound insulation system of the embodiment, the time for recovering the high-elasticity high-strength sound insulation pad after deformation is 10% is 0.8s, and the cracking deflection of the high-hardness protective layer is 6%.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 60 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
Example 5
The embodiment provides a high-performance floor sound insulation system, which consists of a high-elasticity high-strength sound insulation pad and a high-hardness protection layer.
The high-elasticity high-strength sound insulation pad is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 50 parts of rubber powder, 40 parts of quartz sand, 13 parts of cement, 12 parts of perlite and 8 parts of heavy calcium powder.
The high-hardness protective layer is composed of the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 160 parts of quartz sand, 30 parts of cement, 16 parts of anhydrite and 6 parts of pigment.
The preparation method of the high-performance floor sound insulation system comprises the following steps:
(1) Sequentially adding 100 parts of high-elastic emulsion, 50 parts of rubber powder, 40 parts of quartz sand, 13 parts of cement, 12 parts of perlite and 8 parts of heavy calcium powder into a stirrer, uniformly stirring, discharging to a to-be-constructed area which is wetted by water, and carrying out blade coating construction, wherein the construction thickness is 5mm;
(2) 100 parts of high-elastic emulsion, 160 parts of quartz sand, 30 parts of cement, 16 parts of anhydrite and 6 parts of pigment are sequentially added into a stirrer, and after being uniformly stirred, the mixture is discharged to a cured high-elastic high-strength sound insulation pad area, and the mixture is subjected to blade coating construction, wherein the construction thickness is 3mm.
And (3) correlation detection: 1. performance test is carried out on the high-performance floor sound insulation system of the embodiment, the time for recovering the high-elasticity high-strength sound insulation pad after deformation is 10% is 1.1s, and the cracking deflection of the high-hardness protective layer is 5%.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 62 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
Comparative example 1
The difference between the comparative example and the example 1 is that the high-elasticity high-strength sound insulation pad has different raw material components, specifically: 100 parts of high-elastic emulsion, 30 parts of rubber powder, 60 parts of quartz sand, 25 parts of cement, 20 parts of perlite and 15 parts of heavy calcium powder.
And (3) correlation detection: 1. the high-elasticity high-strength sound insulation pad cannot recover after being deformed by 10%, and the cracking deflection of the high-hardness protective layer is 3%.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 71 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
As can be seen from comparison of the example 1 and the comparative example 1, the selection of the content of each raw material component in the high-elasticity high-strength sound insulation pad has a great influence on the elasticity, strength and sound insulation effect, so that the high-elasticity high-strength sound insulation pad of the comparative example 1 cannot recover after being deformed by 10%.
Comparative example 2
The present comparative example is different from example 1 in that the raw material composition of the high hard protective layer is different, specifically: 100 parts of high-elastic emulsion, 200 parts of quartz sand, 60 parts of cement, 30 parts of anhydrite and 10 parts of pigment.
And (3) correlation detection: 1. the time for recovering the high-elasticity high-strength sound insulation pad after being deformed by 10 percent is 1.5 seconds, the cracking deflection of the high-hardness protective layer is 1 percent, and the shrinkage collapse phenomenon occurs.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 65 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
As can be seen from a comparison of example 1 and comparative example 2, the selection of the content of each raw material component in the high hard protective layer has a large influence on the flexibility thereof, resulting in the cracking phenomenon of the high hard protective layer of comparative example 2.
Comparative example 3
The present comparative example differs from example 2 in that the raw material composition of the high hard protective layer is different, specifically: 100 parts of high-elastic emulsion, 200 parts of quartz sand, 60 parts of cement, 30 parts of anhydrite and 10 parts of pigment.
And (3) correlation detection: 1. the time for recovering the high-elasticity high-strength sound insulation pad after being deformed by 10 percent is 0.8s, the cracking deflection of the high-hardness protective layer is 1 percent, and the shrinkage collapse phenomenon occurs.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 61 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
As can be seen from a comparison of example 2 and comparative example 3, the selection of the content of each raw material component in the high hard protective layer has a large influence on the flexibility thereof, resulting in the cracking phenomenon of the high hard protective layer of comparative example 2.
Comparative example 4
The comparative example is different from the raw material components of each example, and specifically comprises the following steps: high-elastic high-strength sound insulation pad: 100 parts of high-elastic emulsion, 30 parts of rubber powder, 60 parts of quartz sand, 25 parts of cement, 20 parts of perlite and 15 parts of heavy calcium powder; high hard protective layer: 100 parts of high-elastic emulsion, 200 parts of quartz sand, 60 parts of cement, 30 parts of anhydrite and 10 parts of pigment.
And (3) correlation detection: 1. the high-elasticity high-strength elastic sound insulation pad cannot recover after being deformed by 10%, the cracking deflection of the high-hardness protective layer is 1%, and the shrinkage collapse phenomenon occurs.
2. After the high-hardness protective layer is solidified, performing impact sound insulation test, and according to the national standard, adopting a striker to strike upstairs and receiving sound test under the building, wherein the striker can generate high-frequency and low-frequency sounds, and performing market purchase detection. Standard according to acoustic building and construction element sound insulation measurement part 7: the floor impact sound insulation field measurement GB/T19889.7 is used for detection.
The test result is 71 dB, and the surface has no cracking phenomenon and no hollowing after knocking through observation for 6 months.
As can be seen from a comparison of example 2 and comparative example 3, the selection of the content of each raw material component in the high hard protective layer has a large influence on the flexibility thereof, resulting in the cracking phenomenon of the high hard protective layer of comparative example 2.
Comparative example 5
The comparative example uses a prefabricated sound insulation pad (microporous polyurea sound insulation pad or crosslinked polyethylene sound insulation pad) and a gypsum protection layer as a sound insulation system for relevant detection and comparison.
Sprinkling water to wet the area to be constructed, firstly pasting a vertical sound insulation pad according to a relevant standard structure, then pasting a 5mm prefabricated sound insulation pad (the prefabricated sound insulation pad comprises a microporous polyurea sound insulation pad or a crosslinked polyethylene sound insulation pad), and finally pouring a gypsum protective layer with the thickness of 35 mm.
After the gypsum protective layer is solidified, an impact sound insulation test is carried out, the test result is 68 dB, and the surface of the gypsum protective layer is cracked and knocked to generate a hollowing phenomenon through 6 months of observation.
Comparative example 6
The comparative example uses a polyester fiber cotton sound insulation pad and a fine stone concrete protective layer as a sound insulation system for relevant detection and comparison.
Sprinkling water to wet the area to be constructed, firstly pasting a vertical sound insulation pad according to a relevant standard structure, then spraying a 5mm polyester fiber cotton sound insulation pad, and finally pouring a 40mm thick fine stone concrete protective layer.
After the fine stone concrete protective layer is solidified, carrying out an impact sound insulation test, wherein the test result is 70 dB, and after observation for 1 month, the surface of the fine stone concrete protective layer is cracked and knocked without hollowing.
In conclusion, according to the related detection performance data of the embodiment and the comparative example, the high-performance floor sound insulation system has good sound insulation effect, the sound insulation pad has high strength, the protective layer is not easy to crack, and the whole system has the characteristic of 'soft and soft under the spring'.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (8)

1. The high-performance floor sound insulation system is characterized by comprising a high-elasticity high-strength sound insulation pad and a high-hardness protection layer;
the high-elasticity high-strength sound insulation pad comprises the following raw materials in parts by weight: 100 parts of high-elastic emulsion, 40-60 parts of rubber powder, 30-50 parts of quartz sand, 10-15 parts of cement, 10-15 parts of perlite and 5-10 parts of heavy calcium powder;
the high-hardness protective layer comprises the following raw materials in parts by weight: 100 parts of high-elasticity emulsion, 140-180 parts of quartz sand, 20-40 parts of cement and 10-20 parts of anhydrite;
the thickness of the high-elasticity high-strength sound insulation pad is 3-6 mm; the thickness of the high hard protection layer is 2-5 mm.
2. A high performance floor sound insulation system according to claim 1, wherein the total thickness of the high performance sound insulation system is less than 10mm.
3. The high-performance floor sound insulation system according to claim 1, wherein the particle size of the rubber powder is 50-100 meshes, the particle size of quartz sand is 200-300 meshes, the particle size of perlite is 200-300 meshes, and the particle size of heavy calcium carbonate is 500-600 meshes.
4. The high performance floor sound insulation system of claim 1, wherein the high hardness protective layer further comprises 2-10 parts of pigment.
5. The high performance floor sound insulation system of claim 1, wherein the high-elastic emulsion is an acrylic high-elastic emulsion.
6. A method of constructing a high performance floor sound insulation system as claimed in claim 1 wherein the construction is by spray or knife coating.
7. The construction method of the high-performance floor sound insulation system according to claim 6, wherein the construction method adopting the mode of on-site spraying or knife coating is specifically as follows:
adding the raw materials of the high-elasticity high-strength sound insulation pad into a stirrer according to a proportion, discharging the materials to a region to be constructed after uniformly stirring, and spraying or knife coating for construction;
and adding the raw materials of the high-hardness protective layer into a stirrer according to a proportion, discharging the stirred materials to the cured high-elasticity high-strength sound insulation pad area after stirring uniformly, and performing spraying or knife coating construction.
8. The method for constructing a high-performance floor sound insulation system according to claim 6, wherein the casting surface to be constructed is sprayed with water to be wetted before construction.
CN202311384527.4A 2023-10-25 2023-10-25 High-performance floor sound insulation system and construction method thereof Active CN117107974B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311384527.4A CN117107974B (en) 2023-10-25 2023-10-25 High-performance floor sound insulation system and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311384527.4A CN117107974B (en) 2023-10-25 2023-10-25 High-performance floor sound insulation system and construction method thereof

Publications (2)

Publication Number Publication Date
CN117107974A CN117107974A (en) 2023-11-24
CN117107974B true CN117107974B (en) 2024-01-30

Family

ID=88811442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311384527.4A Active CN117107974B (en) 2023-10-25 2023-10-25 High-performance floor sound insulation system and construction method thereof

Country Status (1)

Country Link
CN (1) CN117107974B (en)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0781994A (en) * 1993-08-09 1995-03-28 Suchiraito Kogyo Kk Mortar composition and executing method for mortar and executing method for sound insulating wall
JP2005016103A (en) * 2003-06-25 2005-01-20 Hayakawa Rubber Co Ltd Soundproof floor structure
CN2915987Y (en) * 2006-03-20 2007-06-27 扬州大学 High-damping concrete sound-insulating floor slab
CN103964790A (en) * 2014-05-23 2014-08-06 桑达化工（南通）有限公司 Novel thermal insulation mortar
CN105040874A (en) * 2015-08-07 2015-11-11 广东省建筑科学研究院集团股份有限公司 Whole sound insulation floor and construction method thereof
CN106145772A (en) * 2016-08-08 2016-11-23 凡音环保科技（苏州）有限公司 A kind of soundproof construction composition
CN108624111A (en) * 2018-08-01 2018-10-09 淮北庆丰涂料有限公司 A kind of outer-wall crack-resisting putty
CN210798009U (en) * 2019-05-30 2020-06-19 佛山南方建筑设计院有限公司 Indoor floor slab structure with sound insulation mortar
CN112080193A (en) * 2020-07-29 2020-12-15 广东沐峰节能创新科技有限公司 Water-based sound-insulation shock-absorption heat-insulation coating and preparation method thereof
CN112143355A (en) * 2020-08-13 2020-12-29 广东沐峰节能创新科技有限公司 Preparation method of water-based sound-insulation shock-absorption heat-insulation coating
CN112537933A (en) * 2020-12-23 2021-03-23 深圳市亿东阳建材有限公司 Sound insulation mortar and sound insulation floor slab structure system
CN113651573A (en) * 2021-08-11 2021-11-16 重庆中科建筑科技(集团)有限公司 Building floor heat-preservation sound-insulation board and processing method thereof
WO2022011511A1 (en) * 2020-07-13 2022-01-20 维德斯新材料(上海)有限公司 Multi-functional substrate for exterior wall and preparation method therefor
CN114215204A (en) * 2022-01-26 2022-03-22 中国建筑西南设计研究院有限公司 Sound insulation and heat preservation material, sound insulation and heat preservation structure, preparation method and application
CN216195844U (en) * 2021-11-02 2022-04-05 四川世茂新材料有限公司 Heat-insulation sound-insulation floor system
CN114369299A (en) * 2022-01-26 2022-04-19 中国建筑西南设计研究院有限公司 Sound absorption and insulation material, sound absorption and insulation pad, preparation method and application
CN116023860A (en) * 2022-12-29 2023-04-28 惠州市沐峰节能科技有限公司 Water-based sound-insulation and shock-absorption coating

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0781994A (en) * 1993-08-09 1995-03-28 Suchiraito Kogyo Kk Mortar composition and executing method for mortar and executing method for sound insulating wall
JP2005016103A (en) * 2003-06-25 2005-01-20 Hayakawa Rubber Co Ltd Soundproof floor structure
CN2915987Y (en) * 2006-03-20 2007-06-27 扬州大学 High-damping concrete sound-insulating floor slab
CN103964790A (en) * 2014-05-23 2014-08-06 桑达化工（南通）有限公司 Novel thermal insulation mortar
CN105040874A (en) * 2015-08-07 2015-11-11 广东省建筑科学研究院集团股份有限公司 Whole sound insulation floor and construction method thereof
CN106145772A (en) * 2016-08-08 2016-11-23 凡音环保科技（苏州）有限公司 A kind of soundproof construction composition
CN108624111A (en) * 2018-08-01 2018-10-09 淮北庆丰涂料有限公司 A kind of outer-wall crack-resisting putty
CN210798009U (en) * 2019-05-30 2020-06-19 佛山南方建筑设计院有限公司 Indoor floor slab structure with sound insulation mortar
WO2022011511A1 (en) * 2020-07-13 2022-01-20 维德斯新材料(上海)有限公司 Multi-functional substrate for exterior wall and preparation method therefor
CN112080193A (en) * 2020-07-29 2020-12-15 广东沐峰节能创新科技有限公司 Water-based sound-insulation shock-absorption heat-insulation coating and preparation method thereof
CN112143355A (en) * 2020-08-13 2020-12-29 广东沐峰节能创新科技有限公司 Preparation method of water-based sound-insulation shock-absorption heat-insulation coating
CN112537933A (en) * 2020-12-23 2021-03-23 深圳市亿东阳建材有限公司 Sound insulation mortar and sound insulation floor slab structure system
CN113651573A (en) * 2021-08-11 2021-11-16 重庆中科建筑科技(集团)有限公司 Building floor heat-preservation sound-insulation board and processing method thereof
CN216195844U (en) * 2021-11-02 2022-04-05 四川世茂新材料有限公司 Heat-insulation sound-insulation floor system
CN114215204A (en) * 2022-01-26 2022-03-22 中国建筑西南设计研究院有限公司 Sound insulation and heat preservation material, sound insulation and heat preservation structure, preparation method and application
CN114369299A (en) * 2022-01-26 2022-04-19 中国建筑西南设计研究院有限公司 Sound absorption and insulation material, sound absorption and insulation pad, preparation method and application
CN116023860A (en) * 2022-12-29 2023-04-28 惠州市沐峰节能科技有限公司 Water-based sound-insulation and shock-absorption coating

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
楼面保温隔声砂浆的配制及隔声功能组份的选择;瞿金东;李百战;张颜科;程杰;;混凝土与水泥制品(第06期);52-54 *

Also Published As

Publication number Publication date
CN117107974A (en) 2023-11-24

Similar Documents

Publication Publication Date Title
CN103964795B (en) Reinforced cement based composite material with fiber woven mesh and preparation method of reinforced cement based composite material
WO1993001148A1 (en) Foamed cementitious composition and method of making
CN103261539A (en) High performance non-combustible gypsum-cement compositions with enhanced water durability and thermal stability for reinforced cementitious lightweight structural cement panels
JP5831132B2 (en) Repair method for concrete structures
CN209620364U (en) Floating build floor with heat insulating and sound insulating water-proof function
CN105753409B (en) Preparation method of glass fiber reinforced material
CN112011240A (en) Sound insulation coating for building floor and preparation method thereof
CN109020425B (en) Self-heat-insulation anti-cracking mortar for ferromagnetic building formwork net wall and preparation method thereof
CN110218030A (en) A kind of frost-resistant concrete and preparation method thereof
CN111978048A (en) Floor sound insulation mortar and preparation method thereof
CN112279579A (en) Sound-insulation ceramic tile glue and preparation method thereof
CN117107974B (en) High-performance floor sound insulation system and construction method thereof
CN105946311B (en) A kind of anti-riot composite plate of superhigh tenacity shock resistance and preparation method thereof
RU77574U1 (en) GYPSUM CARDON HEART
CN109721305B (en) EPS molding line and preparation method thereof
CN111548081A (en) High-strength concrete and construction process thereof
CN111087203A (en) High-damping concrete and preparation method thereof
CN110642584B (en) Light sound-insulation high-elasticity daub and preparation method thereof
CN114873974A (en) Anti-crack bonding mortar for autoclaved aerated concrete slab and preparation method thereof
CN104876490B (en) Cement-base sound-absorbing material for tunnel wall surfaces and preparation method thereof
CN114292054A (en) Anti-dry cracking alkali-activated concrete inner wall surface layer and construction method thereof
CN110407534B (en) Sound insulation mortar with core-shell structure and preparation method thereof
CN106699082A (en) Anti-cracking noise-reducing insulating composite cement mortar and preparation method thereof
JPH09316371A (en) Coating material
CN113943523A (en) Water-based sound-insulation shock-absorption heat-insulation coating

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant