ASA S12.8 1998 R2013
$91.54
ANSI/ASA S12.8-1998 (R2013) American National Standard Methods for Determining the Insertion Loss of Outdoor Noise Barriers
| Published By | Publication Date | Number of Pages |
| ASA | 1998 | 50 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 8 | 0 Introduction 1 Scope |
| 9 | 2 Normative references 3 Definitions |
| 10 | 4 Methods |
| 11 | Tables 1 Wind classes Figures 1 Flow chart illustrating the choice of method to determine the insertion loss of an outdoor noise barrier |
| 12 | 5 Sound sources and source equivalence |
| 14 | 6 Acoustical environment 2 Reference microphone positions |
| 16 | 7 Instruments 2 Cloud cover classes |
| 17 | 8 Measurements |
| 19 | 9 Computations |
| 20 | 3 Flow chart illustrating computation of insertion loss for an outdoor noise barrier |
| 21 | 3 Adjustment for background noise contribution |
| 24 | 10 Test Report |
| 25 | Annexes A Effects of atmospheric conditions |
| 26 | B Worksheet forms |
| 32 | C Example computation of the insertion loss of an outdoor noise barrier |
