Acoustics and Sound Insulation by Eckard Mommertz

By Eckard Mommertz

Acoustics and safeguard opposed to noise don't maybe quantity one of the basic parameters that mostly impact the layout of a construction. however, on the very most up-to-date whilst the lecturer within the seminar room can't be heard, while the noise point in an open-plan place of work reaches insufferable degrees, or whilst a associates noise deprives you of sleep, it turns into transparent simply how crucial acoustic will be to daily health. it's not simply live performance halls or the amphitheaters of antiquity that decision for acoustic caliber; really, each development, certainly each room, has an acoustic measurement that alterations in keeping with the character of its specific specifications. This practice-oriented quantity offers specialist planners and designers but additionally builders with useful wisdom with regards to acoustics in high-rise structure, starting with criteria on equipment of making plans and diagnosis and relocating directly to the components of acoustics of rooms and structure and noise security in city making plans. Typologically geared up chapters touch upon right methods to the topic with examples of alternative sorts of construction comparable to residential and place of work constructions, colleges, kindergartens, lecture halls, occasion areas, and so forth, simply because applicable acoustic stipulations make a necessary contribution to the luck of a venture. Schallschutz und Akustik gehören vielleicht nicht zu den primären Parametern, die den Entwurf eines Gebäudes normalerweise beeinflussen. Doch spätestens wenn guy den Vortragenden im Seminarraum nicht versteht, der Geräuschpegel im Großraumbüro unerträgliche Ausmaße annimmt oder das Rumoren des Nachbars einem den Schlaf raubt, wird klar, wie wesentlich die Raumakustik zum alltäglichen Wohlbefinden beiträgt. Nicht nur Konzertsäle oder das antike Amphitheater erheben Anspruch auf akustische Qualität, sondern jedes Gebäude, sogar jeder Raum besitzt eine akustische measurement, die je nach Funktion in ihren individuellen Anfo

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Moreover, adding a floating screed to a solid suspended floor also enhances the airborne sound insulation. g. lightweight reinforced concrete ribbed slab with 100 mm slab). Mineral-fibre or elasticised polystyrene boards are the normal choice for impact sound insulation. g. wood-based insulating or coconut-fibre boards plus various recycled materials are also in use. In the CE marking scheme for impact sound insulation products, SD 20 means a dynamic stiffness of max. 20 MN/m3. The impact sound reduction in conjunction with a solid floor is in the range ΔL= 20 –30 dB (Tab.

4 mm thick sound-deadening sheet based on polyvinyl butyral (PVB) can be used as the interlayer in laminated glass, which in the meantime is being preferred to laminated glass using casting resin. Weighted sound reduction indexes of up to Rw = 50 dB are possible with insulating glass units. For sound insulation class 3 and higher, the two panes should be of different thicknesses in order to avoid identical coincidence frequencies. Coupled windows consisting of two windows spaced approx. 100–300 mm apart can achieve values of Rw,P = 52–62 dB.

G. acoustically favourable floor coverings, low-noise ball barriers, noise control embankments/walls) • Organisational measures so that spectators cannot use excessively noisy implements Noise control in urban planning Noise reduction in the propagation path a c b c d • Operational and organisational measures for the acoustically favourable design of routes to and from the facilities and parking areas If the recommended immissions values are exceeded, the authority responsible can also specify opening times in order to guarantee that the values are adhered to.

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