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CN216007477U - High anti-crack floor ground heat-preservation sound-insulation terrace - Google Patents

High anti-crack floor ground heat-preservation sound-insulation terrace Download PDF

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Publication number
CN216007477U
CN216007477U CN202022510936.2U CN202022510936U CN216007477U CN 216007477 U CN216007477 U CN 216007477U CN 202022510936 U CN202022510936 U CN 202022510936U CN 216007477 U CN216007477 U CN 216007477U
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sound
crack
insulating
heat
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李飞
彭艳华
徐品
孙国栋
周会
顾先
陈彪
周云
王凯
马娇丽
陆文雄
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Shanghai Fupei New Material Technology Co ltd
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Shanghai Fupei New Material Technology Co ltd
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Abstract

The utility model discloses a high anti-crack floor ground heat-preservation sound-insulation terrace, which is characterized in that: the building floor base layer (5), the light sound insulation and heat preservation mortar layer (4), the multifunctional interface agent layer (3), the high anti-cracking self-leveling concrete layer (2) and the high-efficiency protective agent layer (1) are sequentially arranged from inside to outside, and the layers are combined into a whole after being dried and cured. The high crack-resistant floor ground heat-insulating and sound-insulating terrace has a good sound environment in a civil building room through the combination of various materials, can achieve the sound-insulating effect and simultaneously has a good heat-insulating function; the building floor is suitable for civil buildings of new construction, reconstruction and extension, and has sound insulation and heat preservation requirements.

Description

High anti-crack floor ground heat-preservation sound-insulation terrace
Technical Field
The utility model relates to a high-crack-resistance floor ground heat-preservation sound-insulation terrace, and belongs to the field of novel building materials.
Background
With the development of economy, the large-scale construction of buildings and houses, the requirements of people on the living environment are higher and higher, the national requirements on building energy conservation are continuously improved, and the comfort and ease of the indoor sound environment and the building energy conservation are increasingly emphasized.
The sound insulation of the building mainly comprises air sound insulation and impact sound insulation, and the reinforced concrete floor with higher density generally has better air sound insulation, but the impact sound insulation effect is poor. According to the regulations of the current national standard GB50118-2010 civil building sound insulation design Specification: the impact sound (field measurement) of the residential floor slab is less than or equal to 75dB, and the high requirement of the residential building is less than or equal to 65 dB. According to the determination, the standard requirement cannot be met only by the reinforced concrete floor. Along with the continuous improvement of the energy-saving requirement of buildings in China, corresponding requirements are provided for the thermal performance of household floor slabs, and the K value of the reinforced concrete floor slabs is large and can not meet the standard requirements. At present, in heat-insulating and sound-insulating terraces in the market, inorganic heat-insulating materials such as fine aggregate concrete, heat-insulating plates such as fine aggregate concrete, sound-insulating pads such as fine aggregate concrete and the like are adopted, and the boundary can crack due to shrinkage stress generated when the fine aggregate concrete is cured; the thermal insulation board is insufficient in aging period and compressive strength, the thermal insulation board is separated from the fine aggregate concrete, hollowing is generated, and the fine aggregate concrete surface layer is cracked. Therefore, new heat-insulating and sound-insulating terrace materials and terraces are urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model aims to overcome the defects in the prior art and provide the high-crack-resistance floor heat-insulation and sound-insulation floor, so that the floor can insulate sound and heat, the floor is high in quality and convenient to construct, and the whole floor has the functions of heat insulation, light weight and sound insulation and has the advantages of good cohesiveness, no hollowness and no cracking. The construction is simple and convenient, easy to maintain, can be widely applied to the building ground building field.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
a high anti-crack building ground heat-insulating and sound-insulating terrace sequentially comprises a building ground base layer, a light sound-insulating and heat-insulating mortar layer, a multifunctional interface agent layer, a high anti-crack self-leveling concrete layer and a high-efficiency protective agent layer from inside to outside, wherein the layers are combined into a whole after being dried and cured.
Preferably, the surface layer of the floor base layer combined with the light sound-insulation heat-preservation mortar layer is flat and has no cracks. And cleaning and repairing the floor base layer, and confirming that the floor base layer is dry, flat and crack-free.
Preferably, a light sound-insulation heat-preservation mortar layer is arranged on the floor base layer, and the thickness of the light sound-insulation heat-preservation mortar layer is less than or equal to 100 mm. Further preferably, the thickness of the light sound-insulation heat-preservation mortar layer is 50-70 mm. The light sound-insulation heat-preservation mortar layer is preferably prepared by adding water into a composite additive consisting of high-strength gypsum, a mineral admixture and an additive and a high-performance polymer foaming functional material according to a specific proportion, adding small materials, stirring for at least 30 seconds, adding the powder, mixing and stirring, and has the functions of heat preservation, light weight and sound insulation, and the characteristics of good cohesiveness, no hollowness and no cracking.
Preferably, a multifunctional interface agent layer is arranged on the light sound-insulation heat-preservation mortar layer, the multifunctional interface agent layer closes the surface gap of the light sound-insulation heat-preservation mortar layer, and the multifunctional interface agent layer forms an adhesion force maintaining layer between the high-crack-resistance self-leveling concrete layer and the light sound-insulation heat-preservation mortar layer. Preferably, the multifunctional interface agent layer is prepared from water-based polymer emulsion and other functional additives, and can form a film at normal temperature; the light sound-insulation heat-preservation mortar can seal the surface gap of the light sound-insulation heat-preservation mortar and enhance the adhesive force between the high-crack-resistance self-leveling concrete layer and the light sound-insulation heat-preservation mortar layer.
Preferably, a flat high-crack-resistance self-leveling concrete layer is formed by pouring on the multifunctional interface agent layer, and the thickness of the high-crack-resistance self-leveling concrete layer is more than or equal to 20 mm. Further preferably, the thickness of the high crack resistance self-leveling concrete layer is 20-25 mm. The high anti-cracking self-leveling concrete layer is made of materials consisting of cement, ultrafine powder, a high-efficiency water reducing agent, fine aggregates and fibers, has good fluidity, high strength and micro-expansion, and overcomes the defects of easiness in hollowing, cracking and the like of a common cement mortar or fine stone concrete terrace; and the shrinkage value and the flexural strength and the compressive strength of 28d and 90d are almost the same.
Preferably, the dispersion point material and the filamentous material in the form of fine aggregates and fibers are uniformly distributed in the high crack resistance self-leveling concrete layer.
Preferably, a high-efficiency protective agent layer is sprayed on the surface of the high-crack-resistance self-leveling concrete layer, so that the high-efficiency protective agent layer forms a compact film, the water in the high-crack-resistance self-leveling concrete layer is prevented from evaporating, the high-efficiency protective agent layer forms an external packaging layer of the high-crack-resistance self-leveling concrete layer, and the high-crack-resistance self-leveling concrete layer 2 forms a pre-stress composite material layer after hydration reaction. The high-efficiency protective agent layer ensures that the high-crack-resistance self-leveling concrete layer completes hydration reaction, and reduces the shrinkage and cracking of the high-crack-resistance self-leveling concrete. The high-efficiency protective agent layer is made of a material consisting of high-molecular emulsion and functional auxiliary agents.
Compared with the prior art, the utility model has the following substantive characteristics and advantages:
1. according to the high crack-resistant floor ground heat-insulating and sound-insulating terrace, through the combination of various materials, all technical performance indexes can meet the requirements of GB50118-2010 civil building sound-insulating design Specification, so that a civil building indoor has a good sound environment, the sound-insulating effect can be achieved, and meanwhile, a good heat-insulating function is achieved; the building floor is suitable for civil buildings which are newly built, reconstructed and expanded and have sound insulation and heat preservation requirements;
2. the utility model has novel structure, and the structure of each layer are mostly prepared by adopting low-cost and easily-obtained materials, thereby greatly reducing the preparation cost of each layer;
3. the floor surface of the utility model has simple structure and simple maintenance.
Drawings
Fig. 1 is a schematic structural view of the heat-insulating and sound-insulating ground floor for the high crack-resistant building.
Detailed Description
The preferred embodiments of the utility model are detailed below:
the first embodiment is as follows:
in this embodiment, referring to fig. 1, a high anti-crack floor ground heat preservation and sound insulation terrace sequentially comprises a floor ground base layer 5, a light sound insulation and heat insulation mortar layer 4, a multifunctional interfacial agent layer 3, a high anti-crack self-leveling concrete layer 2 and a high-efficiency protective agent layer 1 from inside to outside, and the layers are combined into a whole after being dried and cured. The light sound insulation and heat preservation mortar layer 4 has the functions of heat preservation, light weight and sound insulation, and has the characteristics of good cohesiveness, no hollowing and no cracking, the multifunctional interfacial agent layer 3 forms an interface layer with adhesive force, the high-crack-resistance self-leveling concrete layer 2 has high-strength material mechanical property, and the high-efficiency protective agent layer 1 forms a protective layer, so that the high-crack-resistance floor heat preservation and sound insulation terrace of the embodiment has a good sound environment through the combination of various materials, can achieve the effect of sound insulation, and has a good heat preservation function. The building floor is suitable for civil buildings of new construction, reconstruction and extension, and has sound insulation and heat preservation requirements.
Example two
This embodiment is substantially the same as the first embodiment, and is characterized in that:
in the present embodiment, referring to fig. 1, in the high crack-resistant floor surface heat-insulating and sound-insulating terrace, the floor surface base layer 5 combined with the light-weight, sound-insulating and heat-insulating mortar layer 4 has a flat surface layer and no cracks. A light sound-insulation heat-preservation mortar layer 4 is arranged on the floor base 5. And cleaning and repairing the floor base 5, and coating light sound-insulating and heat-insulating mortar after confirming that the floor base is dry, flat and crack-free to form a light sound-insulating and heat-insulating mortar layer 4. The light sound-insulating and heat-insulating mortar layer is prepared from powder consisting of high-strength gypsum, mineral admixture and additive and a composite additive consisting of high-performance polymer foaming functional material, and has the functions of heat insulation, light weight and sound insulation, and the characteristics of good cohesiveness, no hollowness and no cracking. The thickness of the light sound-insulation heat-preservation mortar layer 4 is 70 mm.
In the embodiment, referring to fig. 1, a multifunctional interface agent layer 3 is arranged on a light sound-insulating and heat-preserving mortar layer 4, the multifunctional interface agent layer 3 closes the surface gap of the light sound-insulating and heat-preserving mortar layer 4, and the multifunctional interface agent layer 3 forms an adhesion force maintaining layer between a high crack resistance self-leveling concrete layer 2 and the light sound-insulating and heat-preserving mortar layer 4. And spraying a multifunctional interface agent on the light sound-insulation heat-preservation mortar layer 4 to form a multifunctional interface agent layer 3. The multifunctional interface agent is prepared from water-based polymer emulsion and other functional additives, can form a film at normal temperature, and has good film forming effect and high bonding strength. The gaps on the surface of the light sound-insulation heat-preservation mortar can be closed, and the adhesive force between the high-crack-resistance self-leveling concrete layer 2 and the light sound-insulation heat-preservation mortar layer 4 is enhanced.
In the embodiment, referring to fig. 1, a smooth high crack resistance self-leveling concrete layer 2 is formed by pouring on the multifunctional interfacial agent layer 3, and the thickness of the high crack resistance self-leveling concrete layer 2 is 20 mm. The high anti-cracking self-leveling concrete layer 2 is made of materials consisting of cement, ultrafine powder, a high-efficiency water reducing agent, fine aggregates and fibers, has good fluidity, high strength and micro-expansion, and can overcome the defects that the common cement mortar or fine stone concrete terrace is easy to hollowly and crack and the like; and the shrinkage value and the flexural strength and the compressive strength of 28d and 90d are almost the same.
In this example, referring to fig. 1, the dispersion point material and the filamentous material in the form of fine aggregates and fibers are uniformly distributed in the high crack resistance self-leveling concrete layer 2. The strength of the high anti-cracking self-leveling concrete layer 2 is increased, so that the overall strength of the high anti-cracking floor ground heat-insulating and sound-insulating terrace is ensured.
In this embodiment, referring to fig. 1, a high-efficiency protective agent layer 1 is sprayed on the surface of a high anti-cracking self-leveling concrete layer 2, so that the high-efficiency protective agent layer 1 forms a compact film, water in the high anti-cracking self-leveling concrete layer 2 is prevented from evaporating, the high-efficiency protective agent layer 1 forms an external encapsulation layer of the high anti-cracking self-leveling concrete layer 2, and the high anti-cracking self-leveling concrete layer 2 forms a pre-stressed composite material layer after hydration reaction. The high-efficiency protective agent layer 1 of the embodiment ensures that the high-crack-resistance self-leveling concrete layer completes hydration reaction, and reduces shrinkage and cracking of the high-crack-resistance self-leveling concrete. The high-efficiency protective agent layer 1 is made of materials consisting of high-molecular emulsion and functional auxiliaries, and the water molecule blocking effect is improved.
EXAMPLE III
This embodiment is substantially the same as the above embodiment, and is characterized in that:
in the present embodiment, referring to fig. 1, in the high crack-resistant floor surface heat-insulating and sound-insulating terrace, the floor surface base layer 5 combined with the light-weight, sound-insulating and heat-insulating mortar layer 4 has a flat surface layer and no cracks. A light sound-insulation heat-preservation mortar layer 4 is arranged on the floor base 5. And cleaning and repairing the floor base 5, and coating light sound-insulating and heat-insulating mortar after confirming that the floor base is dry, flat and crack-free to form a light sound-insulating and heat-insulating mortar layer 4. The light sound-insulating and heat-insulating mortar layer is prepared from powder consisting of high-strength gypsum, mineral admixture and additive and a composite additive consisting of high-performance polymer foaming functional material, and has the functions of heat insulation, light weight and sound insulation, and the characteristics of good cohesiveness, no hollowness and no cracking. The thickness of the light sound-insulation heat-preservation mortar layer 4 is 50 mm.
In the embodiment, referring to fig. 1, a multifunctional interface agent layer 3 is arranged on a light sound-insulating and heat-preserving mortar layer 4, the multifunctional interface agent layer 3 closes the surface gap of the light sound-insulating and heat-preserving mortar layer 4, and the multifunctional interface agent layer 3 forms an adhesion force maintaining layer between a high crack resistance self-leveling concrete layer 2 and the light sound-insulating and heat-preserving mortar layer 4. And spraying a multifunctional interface agent on the light sound-insulation heat-preservation mortar layer 4 to form a multifunctional interface agent layer 3. The multifunctional interface agent is prepared from water-based polymer emulsion and other functional additives, can form a film at normal temperature, and has good film forming effect and high bonding strength. The gaps on the surface of the light sound-insulation heat-preservation mortar can be closed, and the adhesive force between the high-crack-resistance self-leveling concrete layer 2 and the light sound-insulation heat-preservation mortar layer 4 is enhanced.
In the embodiment, referring to fig. 1, a smooth high crack resistance self-leveling concrete layer 2 is formed by pouring on the multifunctional interfacial agent layer 3, and the thickness of the high crack resistance self-leveling concrete layer 2 is 25 mm. The high anti-cracking self-leveling concrete layer 2 is made of materials consisting of cement, ultrafine powder, a high-efficiency water reducing agent, fine aggregates and fibers, has good fluidity, high strength and micro-expansion, and can overcome the defects that the common cement mortar or fine stone concrete terrace is easy to hollowly and crack and the like; and the shrinkage value and the flexural strength and the compressive strength of 28d and 90d are almost the same.
In this example, referring to fig. 1, the dispersion point material and the filamentous material in the form of fine aggregates and fibers are uniformly distributed in the high crack resistance self-leveling concrete layer 2. The strength of the high anti-cracking self-leveling concrete layer 2 is increased, so that the overall strength of the high anti-cracking floor ground heat-insulating and sound-insulating terrace is ensured.
In this embodiment, referring to fig. 1, a high-efficiency protective agent layer 1 is sprayed on the surface of a high anti-cracking self-leveling concrete layer 2, so that the high-efficiency protective agent layer 1 forms a compact film, water in the high anti-cracking self-leveling concrete layer 2 is prevented from evaporating, the high-efficiency protective agent layer 1 forms an external encapsulation layer of the high anti-cracking self-leveling concrete layer 2, and the high anti-cracking self-leveling concrete layer 2 forms a pre-stressed composite material layer after hydration reaction. The high-efficiency protective agent layer 1 of the embodiment ensures that the high-crack-resistance self-leveling concrete layer completes hydration reaction, and reduces shrinkage and cracking of the high-crack-resistance self-leveling concrete. The high-efficiency protective agent layer 1 is made of materials consisting of high-molecular emulsion and functional auxiliaries, and the water molecule blocking effect is improved.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made according to the purpose of the utility model, and any changes, modifications, substitutions, combinations or simplifications made according to the spirit and principle of the technical solution of the present invention should be replaced with equivalents as long as the object of the present invention is met, and the technical principle and the inventive concept of the present invention are not departed from the scope of the present invention.

Claims (8)

1. The utility model provides a high anti building ground heat preservation sound insulation terrace that splits which characterized in that: the building floor base layer (5), the light sound insulation and heat preservation mortar layer (4), the multifunctional interface agent layer (3), the high anti-cracking self-leveling concrete layer (2) and the high-efficiency protective agent layer (1) are sequentially arranged from inside to outside, and the layers are combined into a whole after being dried and cured.
2. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 1, characterized in that: the surface layer of the floor base layer (5) combined with the light sound-insulation heat-preservation mortar layer (4) is flat and has no cracks.
3. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 1, characterized in that: a light sound-insulation heat-preservation mortar layer (4) is arranged on the floor base layer (5), and the thickness of the light sound-insulation heat-preservation mortar layer (4) is less than or equal to 100 mm.
4. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 3, characterized in that: the thickness of the light sound-insulation heat-preservation mortar layer (4) is 50-70 mm.
5. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 1, characterized in that: a multifunctional interface agent layer (3) is arranged on the light sound-insulation heat-preservation mortar layer (4), the multifunctional interface agent layer (3) seals surface gaps of the light sound-insulation heat-preservation mortar layer (4), and the multifunctional interface agent layer (3) forms an adhesion force maintaining layer between the high-crack-resistance self-leveling concrete layer (2) and the light sound-insulation heat-preservation mortar layer (4).
6. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 1, characterized in that: and a flat high-crack-resistance self-leveling concrete layer (2) is formed on the multifunctional interface agent layer (3) by pouring, and the thickness of the high-crack-resistance self-leveling concrete layer (2) is more than or equal to 20 mm.
7. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 6, characterized in that: the thickness of the high crack resistance self-leveling concrete layer (2) is 20-25 mm.
8. The high anti-crack floor ground heat-insulating and sound-insulating terrace as claimed in claim 1, characterized in that: the high-efficiency protective agent layer (1) is sprayed on the surface of the high-crack-resistance self-leveling concrete layer (2), so that the high-efficiency protective agent layer (1) forms a compact film, water in the high-crack-resistance self-leveling concrete layer (2) is prevented from evaporating, the high-efficiency protective agent layer (1) forms an external packaging layer of the high-crack-resistance self-leveling concrete layer (2), and the high-crack-resistance self-leveling concrete layer (2) forms a pre-stress composite material layer after hydration reaction.
CN202022510936.2U 2020-11-03 2020-11-03 High anti-crack floor ground heat-preservation sound-insulation terrace Active CN216007477U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115354824A (en) * 2022-08-10 2022-11-18 中建八局第三建设有限公司 Indoor heat-insulation sound-insulation anti-cracking terrace structure and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115354824A (en) * 2022-08-10 2022-11-18 中建八局第三建设有限公司 Indoor heat-insulation sound-insulation anti-cracking terrace structure and construction method thereof

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Address after: Building 3, No. 75 Hengle Road, Waigang Town, Jiading District, Shanghai, June 2018

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Address before: No. 53, Lane 156, Changji Road, Anting Town, Jiading District, Shanghai, 200444

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