Aktivní norma | Vydána: 04.09.2024

ISO 7447:2024

Underwater acoustics — Measurement of radiated underwater sound from percussive pile driving — In situ determination of the insertion loss of barrier control measures underwater
(Acoustique sous-marine — Mesurage de l’émission sonore sous-marine lors de l’enfoncement de pieux marins par percussion — Détermination in situ de la perte par insertion de barrieres sous-marines)

Dostupné jazyky: Anglicky

Dostupné provedení: Elektronické PDF, Tištěné

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Podrobné informace

Označení: ISO 7447:2024

Datum vydání: 04.09.2024

Stran: 25

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: This document specifies two procedures for the in situ determination of the insertion loss of underwater noise abatement measures (noise abatement systems). The impulsive sound of pile driving is used as the sound source for the investigation of noise abatement systems. This document does not apply to artificial sound sources and investigations under laboratory conditions. Apart from the correct application of the respective noise abatement system, the achieved sound attenuation also depends on the installation conditions (e.g. type of hammer, driving energy, pile dimensioning) as well as on the environmental conditions (e.g. water depth, seafloor classification and bathymetry, current and wind conditions) and the flanking transmission via the seafloor.

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