1、2014 2 EN 12354-2:2000 Building acoustics Estimation of acoustic performance of buildings from the performance of elements Part 2: Impact sound insulation between rooms(IDT) 12354-22012 12354-22012II1 - ( ) , 42 358 3 - 29 2012 . 1385-4 12354-2:2000 - . . 2. - (EN 12354-2:2000 Building acoustics Est
2、imation of acoustic performance of buildings from the performance of elements Part 2: Impact sound insulation between rooms). - , 5 1.02012 ( 8). ( 1 ) , - . () - - . , - (gost.ru) , 2014 , - - 12354-22012III1 12 13 .24 64.1 64.2 74.3 .95 .11 () 12 B () 15 C () .18 D () 21 () 22 () .26 271 12354-220
3、12 201312011 , , , ( ) -, . , - . , - , - . , , -. - . , - . . , , - , . -, , .2 . - , . 140-1*. . 1. - (EN ISO 140-1, Acoustics Measurement of sound insulation in buildings and of building elements Part 1: Requirements for laboratory test facilities with suppressed flanking transmission) 140-3*. .
4、3. (EN ISO 140-3, * 140 ( 1, 3, 6, 8) 10140 ( 15). - , . 2 Building acoustics. Estimation of acoustic performance of buildings from the performance of elements. Part 2. Impact sound insulation between rooms 12354-220122Acoustics Measurement of sound insulation in buildings and of building elements P
5、art 3: Laboratory measurement of airborne sound insulation of building elements) 140-6*. . 6. - (EN ISO 140-6, Acoustics Measurement of sound insulation in buildings and of building elements Part 6: Laboratory measurements of impact sound insulation of floors) 140-7 . . 7. (EN ISO 140-7, Acoustics M
6、ea-surement of sound insulation in buildings and of building elements Part 7: Field measurements of impact sound insulation of floors) 140-8*. . 8. (EN ISO 140-8, Acoustics Measurement of sound insulation in buildings and of building elements Part 8: Laboratory measurements of the reduction of trans
7、mitted impact noise by floor coverings on a heavyweight standard floor) 140-12* . . 12. (EN ISO 140-12, Acoustics Measurement of sound insulation in buildings and of building elements Part 12: Laboratory measurement of room-to-room airborne and impact sound insulation of an access floor) 717-1 . . 1
8、. (EN ISO 717-1, Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation) 717-2 . . 2. (EN ISO 717-2, Acoustics Rating of sound insulation in buildings and of building elements Part 2: Impact sound insulation) 12354-1:2000 . - . 1. (EN 12354- 1:20
9、00, Building acoustics Estimation of acoustic performance of buildings from the performance of elements Part 1: Airborne sound insulation between rooms) 10848-1:2006 . . 1. (EN ISO 10848-1:2006, Acoustics Laboratory measurement of the flanking transmission of airborne and impact sound between adjoin
10、ing rooms Part 1: Frame document)3 .3.1 , 140-7 . ( ), 717-2 , Lnw, LnT w, +()LCnT wI,.3.1.1 (normalized impact sound pressure level) Ln, : * 140 ( 1, 3, 6, 8) 10140 ( 15). - , .* 140-12:2000 10848- 2:2006. 12354-220123 *, - =+LLniAA100lg , (1) Li , ;A , 2;A0 ( A010= 2). 140-7.3.1.2 (standardized im
11、pact sound pressure level) LnT, : , , - =LLnT iTT100lg , (2) T , ;T0 ( T005= , ). 140-7.3.1.3 LnT Ln = = LL LVnT nnVAT10 10 0 03201600lg lg , (3) V , 3. , . - , , - Ln.3.2 - . , - . , LCnw()1, DDLCwI() DLlin RCCwtr(; ), 717-2.3.2.1 (normalized impact sound pressure level) Ln, : , LLniAA=+100lg , (4)
12、 Li , - 140-7, ;A , 2;A0 (A010= 2). 140-6*.* , , . -, () , . ( ), , .* 10140-3. 12354-2201243.2.2 (reduction of impact sound pressure level) DL*, : - , LL Lno n=, (5) Lno , ;Ln , . 140-8*.3.2.3 (reduction of impact sound pressure level by layer) DLd, : () . 140-8*.3.2.4 (normalized flanking impact sound pressure level) Ln,f, : , - , -, LLnf iAA,lg=+100, (6) A010= 2. 1 , - . 2 10848-1. 3 Lnf, 140-12*.3.2.5 (sound reduction index) R, : - W1, W2, RWW=1012lg . (7) 140-3*.3.2.6 (sound reduction improvement index) DR, : (
