{"id":395044,"date":"2024-10-20T04:16:58","date_gmt":"2024-10-20T04:16:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-13472-12022-tc\/"},"modified":"2024-10-26T08:01:45","modified_gmt":"2024-10-26T08:01:45","slug":"bs-iso-13472-12022-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-13472-12022-tc\/","title":{"rendered":"BS ISO 13472-1:2022 – TC"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
64<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
68<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | 4 Summary of the method 4.1 General principle <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | 4.2 Signal separation technique <\/td>\n<\/tr>\n | ||||||
75<\/td>\n | 4.3 Test method <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | 5 Test system 5.1 Components of the test system 5.2 Sound source 5.3 Test signal 6 Data processing 6.1 Calibration <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | 6.2 Sampling frequency 6.3 Temporal separation of the signals <\/td>\n<\/tr>\n | ||||||
78<\/td>\n | 7 Positioning of the equipment 7.1 Maximum sampled area 7.2 Positioning of the measuring equipment <\/td>\n<\/tr>\n | ||||||
79<\/td>\n | 7.3 Reflecting objects 7.4 Background noise 7.5 Safety considerations <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | 8 Road surface and meteorological conditions 8.1 Condition of the road surface 8.2 Wind <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | 8.3 Temperature 9 Measurement procedure 10 Measurement uncertainty <\/td>\n<\/tr>\n | ||||||
83<\/td>\n | 11 Test report <\/td>\n<\/tr>\n | ||||||
85<\/td>\n | Annex A (normative) Radius of the maximum sampled area <\/td>\n<\/tr>\n | ||||||
86<\/td>\n | Annex B (normative) Reference measurement and correction procedure <\/td>\n<\/tr>\n | ||||||
87<\/td>\n | Annex C (informative) Physical principle of the measurement <\/td>\n<\/tr>\n | ||||||
89<\/td>\n | Annex D (informative) Example of a test report <\/td>\n<\/tr>\n | ||||||
93<\/td>\n | Annex E (informative) Sound absorption coefficient at non-normal incidence <\/td>\n<\/tr>\n | ||||||
95<\/td>\n | Annex F (normative) Correction of small time shifts in the direct impulse response between the free-field measurement and the reflected measurement <\/td>\n<\/tr>\n | ||||||
99<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Acoustics. Measurement of sound absorption properties of road surfaces in situ – Extended surface method<\/b><\/p>\n |