Architectural acoustics transforming method for inflatable air film pavilion

Abstract

The invention provides an architectural acoustics transforming method for an inflatable air film pavilion. Sound absorption materials are mounted on the interior decorating surface of an air film through internal riveting fixing members in inclined, empty-rear-type and staggered modes. According to the architectural acoustics transforming method, the soft sound absorption materials are mounted onthe interior decorating surface of the air film through the internal riveting fixing members in the inclined, empty-rear-type and staggered modes, it is ensured that a certain safety space is formed between the soft sound absorption materials and the wall face of the inner wall of the air film, and the influence of swing of the air film due to wind load shaking on mounting of the sound absorptionmaterials can be effectively avoided; the contact area between the sound absorption materials and the space in the air film pavilion is effectively increased, meanwhile, a cavity in the wall face is additionally formed, and the low sound frequency can be effectively controlled; and the mounting mode is easy and stable, optional coverage mounting can be achieved, the mounting density is freely adjusted, and the problems of acoustic focus and the like are effectively solved.

Description

technical field [0001] The invention belongs to the field of acoustic reconstruction, and in particular relates to an acoustic reconstruction method for an inflatable air membrane pavilion. Background technique [0002] Air film building refers to a building structure system that uses special architectural membrane materials as the shell, and is equipped with a set of intelligent electromechanical equipment to provide positive air pressure inside the air film building and support the main body of the building. With the development of architecture, there is a new way of constructing gymnasiums - inflatable air membrane halls. Since the architectural form of the inflatable dome pavilion is a curved vault, the vault structure is prone to sound focusing and sound reflection, and the reverberation time in the venue is very long, generally as long as 5 seconds, which cannot be used for sound reinforcement. Therefore, a second sound reconstruction is required. [0003] At present...

AI Technical Summary

Problems solved by technology

The adhesives and spraying materials used in this method are chemical substances, which have uncertain corrosiveness to the membrane body of the dome pavilion, and have a great impact on the ambient air inside the dome pavilion; the adsorption stability is difficult to guarantee , there is a possibility of falling off after 1 to 1.5 years; when using a liquid covering material, it is seamlessly adsorbed with the air film itself, and the absorption for the high frequency part is acceptable, but it lacks the regulation of the low frequency

[0006] (3) A metal frame of the same volume is welded in the air film by means of an inner skeleton, and sound-absorbing materials are installed on the metal frame. Due to the large volume of the general air film pavilion, the load capacity of the metal frame is required for a large span. At the same time, the construction cost of the metal frame is relatively high. The most important thing is that if the method is changed, the construction significance of the dome pavilion will be lost.

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