ANSI/ASA S1.18:2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
American National Standard Method for Determining the Acoustic Impedance of Ground Surfaces
Hardcopy , PDF
08-05-2023
English
31-10-2018
Outdoor sound close to the ground is influenced by the acoustical properties of the ground.
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