CEN/TC 226
Projekta Nr. | EN 1793-1:1997 |
---|---|
Nosaukums | This part of prEN 1793 specifies the laboratory method for measuring the sound absorption of flat noise barriers or flat cladding for retaining walls or tunnels. It covers the assessment of the intrinsic sound absorption performance of roadside noise reducing devices which can reasonably be assembled inside the testing facility described in EN 20354. |
Reģistrācijas numurs (WIID) | 10633 |
Darbības sfēra | This part of prEN 1793 specifies the laboratory method for measuring the sound absorption of flat noise barriers or flat cladding for retaining walls or tunnels. It covers the assessment of the intrinsic sound absorption performance of roadside noise reducing devices which can reasonably be assembled inside the testing facility described in EN 20354. |
Statuss | Atcelts |
ICS grupa | 17.140.30 93.080.30 |