Sound absorption and vibration reduction floating floor ground structure for theater and construction method thereof

A floating floor, sound-absorbing technology, applied in the direction of floors, theaters, building structures, etc., can solve the problems of potential safety hazards, easy falling off of poured concrete, poor seismic performance of brick-concrete, etc., to improve safety and anti-vibration. The effect of solving the problem of vibration and sound transmission of equipment foundation

Active Publication Date: 2021-03-12
中国建筑土木建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, the enclosure structure of this invention is a masonry enclosure structure, which is not directly connected to the ground. Due to the poor seismic performance of brick-concrete, if the equipment vibrates greatly or is large-scale equipment or works for a long time, it is easy to vibrate and crack. There are security risks
Secondly, the elastic isolation layer is glued to the surrounding structure (masonry). Since the double-sided adhesive is difficult to

Method used

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  • Sound absorption and vibration reduction floating floor ground structure for theater and construction method thereof
  • Sound absorption and vibration reduction floating floor ground structure for theater and construction method thereof
  • Sound absorption and vibration reduction floating floor ground structure for theater and construction method thereof

Examples

Experimental program
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Example Embodiment

[0029]Example 1:

[0030]Such asFigure 1-5As shown, the theater of the preferred embodiment of the present invention has an absorbent damping fluffy floating floors, including concrete bottom plate 1, floating infrastructure 2, device concrete vibration damping base 3, and ferrule concrete 4. The floating infrastructure 2 includes a first waterproof layer 21, a floating rumor pad layer 22, a second watering layer 23, and a steel sheet layer 24. The first waterproof layer 21 is disposed at the top of the concrete bottom plate 1, and the floating vibration isolation pad layer 22 is disposed at the top of the first waterproof layer 21, and the second watering layer 23 is disposed at the top, steel layer 24 of the floating rose pad layer 22. The top of the second waterfront 23 is disposed. Among them, the device concrete damping base 3 is placed on top of the steel sheet 24, and the ferrule concrete 4 is disposed on the periphery of the floating infrastructure 2 and the device concrete dam...

Example Embodiment

[0031]Example 2:

[0032]In a preferred embodiment, such asfigure 1 As shown, when the flatness of the original structural surface does not meet the requirements, the impact on the damping effect is large, and the ground is required to be subjected to the plane. A pre-mix mortar is provided at the top of the concrete bottom plate 1, and the outer boundary of the floating infrastructure 2 is at least 150 mm of the outer expansion range W1. And the inner wall of the ferrule concrete 4 is in conjunction with the outer wall of the floating infrastructure 2 and the device concrete damping base 3, respectively. The ferrule concrete 4 is a reinforced concrete structure, and there is a plurality of steel bars that are fixedly coupled to the concrete floor 1 in the ferrule concrete 4, thereby enhancing the overall vibration and safety.

[0033]Further, the cross section of the sound absorbing glass wool 221 is a square, and a plurality of vertical via holes having a matrix distribution are opened ...

Example Embodiment

[0037]Example 3:

[0038]In a preferred embodiment, the thickness of the first waterproof layer 21 and the second hydrating layer 23 is 1 mm, and the thickness of the steel sheet layer 24 is 2 mm. The premixed mortar is protocol 6 using C30 fine stone concrete with a thickness of 20 mm. The thickness of the floating vibration shifting pad layer 22 is 50 mm, wherein the thickness of the sound absorbing glass wool 221 is 50 mm, 24 kg / m3, and the rubber pad 222 is 50 mm × 50 mm × 50 mm. The spacing between adjacent two vertical through holes arranged along the lateral and longitudinal direction is 300 mm. The premixed mortar is found to be a flat layer 6, the first waterproof layer 21, the floating roster pad layer 22, the second water-absorbing layer 23 and the steel sheet layer 24 are 11m.2.

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Abstract

The invention discloses a sound absorption and vibration reduction floating floor ground structure for a theater and a construction method thereof. The structure comprises a concrete bottom plate, a floating foundation structure, an equipment concrete vibration reduction foundation and hoop concrete, and the floating foundation structure comprises a first waterproof layer arranged at the top of the concrete bottom plate, a floating vibration isolation cushion layer arranged at the top of the first waterproof layer, a second waterproof layer arranged at the top of the floating vibration isolation cushion layer, and a steel plate layer arranged at the top of the second waterproof layer; and the floating vibration isolation cushion layer is arranged at the top of the first waterproof layer; the the equipment concrete vibration reduction foundation is formed at the top of the steel plate layer in a pouring mode, the hoop concrete is arranged on the peripheries of the floating foundation structure and the equipment concrete vibration reduction foundation, the top of the hoop concrete is flush with the top of the equipment concrete vibration reduction foundation, and the outer boundary of the floating foundation structure is arranged on the outer side of the equipment foundation. The problem of equipment foundation vibration sound transmission is solved, and the design and use effects of the theater can be achieved.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a sound-absorbing and vibration-damping floating floor structure for a theater and a construction method thereof. Background technique [0002] With the continuous development of social economy, people's cultural and spiritual needs are also getting higher and higher. Large-scale public buildings such as theaters, cultural entertainment, etc. have sprung up all over the country. Such buildings are often considered to have a large short-term flow of people when carrying out entertainment and cultural activities. In order to meet their needs for fire protection, smoke exhaust, and ventilation, more large-scale mechanical equipment must be equipped. These mechanical equipment often produce large vibration and noise during operation, which will seriously affect the use effect of theater buildings. [0003] In view of the above problems, in the prior art, sound-absorbin...

Claims

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Application Information

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IPC IPC(8): E04F15/06E04F15/18E04F15/20E04H3/22
CPCE04F15/06E04F15/182E04F15/20E04H3/22E04F2290/04E04F2290/041E04F2290/02
Inventor 陈振邦孙巍刘瑞金郭伟温井泉李林魏守浦聂德鑫赵杉董继伟
Owner 中国建筑土木建设有限公司
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