1、 10848-12012 1 ISO 10848-1:2006Acoustics Laboratory measurement of the flanking transmission of airborne andimpact sound between adjoining rooms Part 1: Frame document(IDT) 1 -()- , 42 358 3 29 2012 . 1384-4 10848-1:2006 . -. 1. (ISO 10848-1:2006 Acoustics Laboratory measurement ofthe flanking trans
2、mission of airborne and impact sound between adjoining rooms Part 1: Framedocument). - , 5 1.02012 ( 8). ( 1 ) , -. () . , - - (gost.ru) , 2013 , - II 10848-120121 12 13 24 , 55 76 .87 108 .169 17 () 19 () 20 21III 10848-12012 1 Acoustics. Laboratory measurement of the flanking transmission of airbo
3、rne and impact sound between adjoiningrooms. Part 1. Basic provisions 201312011 10848 ( 13) . -(Dn,f/ Ln,f) Kij . , - , . . 10848 ., , , , , , 6 7.2 . - , . 140-1* . . 1. (ISO 140-1, Acoustics Measurement of sound insulation in buildings and of building elements Part 1:Requirements for laboratory te
4、st facilities with suppressed flanking transmission) 140-3:1995* . . 3. (ISO 140-3:1995, Acoustics Measurement of sound insulation in buildings and of buildingelements Part 3: Laboratory measurements of airborne sound insulation of building elements) 140-6:1998* . . 6. (ISO 140-6:1998,Acoustics Meas
5、urement of sound insulation in buildings and of building elements Part 6: Laboratorymeasurements of impact sound insulation of floors)* 140 ( 1, 3, 6) 10140. , - .1 10848-12012 354 . (ISO 354,Acoustics Measurement of sound absorption in a reverberation room) 3382 . (ISO 3382, Acoustics Measurement o
6、f the reverberation time of rooms with reference to otheracoustical parameters) 7626-1 . . (ISO 7626-1, Vibration and shock Experimental determination of mechanicalmobility Part 1: Basic definitions and transducers) 10848-2:2006 . - . 2. - (ISO 10848-2:2006, Acoustics Laboratory measurement of the f
7、lanking transmission of airborne andimpact sound between adjoining rooms Part 2: Application to light elements when the junction has a smallinfluence) 10848-3:2006 . - . 3. - (ISO 10848-3:2006, Acoustics Laboratory measurement of the flanking transmission of airborne andimpact sound between adjoinin
8、g rooms Part 3: Application to light elements when the junction has asubstantial influence) 61260 . (IEC 61260,Electroacoustics Octave-band and fractional-octave-band filters) 60651* (IEC 60651, Sound level meters) 60804* - (IEC 60804, Integrating-averaging soundlevel meters) 60942 (IEC 60942, Sound
9、 calibrators)3 :3.1 (average sound pressure level in aroom) L,:, - , - , - ( . .) . 1 L = 10lg12002TptdtpmTm()c242,(1) p , ;p0 , ; p0=20;Tm , . 2 - L =lgpp pnpn1222202c43c43c43.,(2) p1, p2,pn n , ; 3 Li. L = 10lg110101nLiin/c61c229,(3) Li L1 Ln n , .2 10848-12012* 60651 60804 61672-1:2002.3.2 (norma
10、lized flanking level difference) Dn,f,: , , . Dn,f A Dn,f= L1 L2 10lgAA0,(4) L1 , ;L2 , ;A , 2;A0 , 2; A0=102.3.3 (normalizedflanking impact sound pressure level) Ln,f,: , , , - . Ln,f - Ln,f= L2+ 10lgAA0,(5) L2 , ;A , 2;A0 , 2; A0=102.3.4 (average velocity level) Lv,:, - v0(v0=1c215 109/), Lv= 10lg
11、12002TvtdtvmTm()c242.(6) 1 , 1 1 c215 109/, v0=5c215 108/. 2 La. , 1, 1 c215 106/2. 3 , Lv= 10lgvv vnvn1222202c43c43c43.,(7) v1, v2, vn ( ) , /. 4 (9) (10).3.5 (structural reverberation time) Ts,c:, 60 - . Ts 60 .3.6 (velocity level difference) Dv,ij,: i j , ( ) i, Dv,ij= Lv,I Lv,j. (8)3 10848-12012
12、 1 - Dv,ij=1MNnNmMc61c61c229c22911(Dv,ij)mn,(9) M i;N () ;(Dv,ij)mn , , - (Dv,ij)mn= 10lgvdtvdtiTmjTm2020c242c242,(10) vi vj n m i j , /;Tm . 2 (8) (9).3.7 (direction-averaged velocity leveldifference) Dv, ij,:, Dv, ij=12(Dv,ij+ Dv,ji),(11) Dv,ij i j i,;Dv,ji j i j,;3.8 (equivalent absorption length ajof an element j)aj,: j, , - , 1000 . 1 aj=2220,c112 sTcffjsjref,(12) Ts,j j,;Sj j,2;c0 , /;f , ;fref , ; fref= 1000 . 2 , - , aj - Sj,.aj= Sj/l0, l0=1.3.9 (vibration reduction index) Kij,:, Kij= Dv, ij+ 10lglijijaa,(13) Dv, ij i j,;lij i j,;ai, aj i j,. (11)(13) , Kij, , .3.10
