1、 4 ISO 10140-4:2010Acoustics Laboratory measurement of sound insulation ofbuilding elements Part 4:Measurement procedures and requirements(IDT) 10140-42012 27 2002 . 184- , 1.02004 . 1 - ( ) - , 42 358 3 29 2012 . 1383-4 10140-4:2010 . - . 4. (ISO 10140-4:2010 Acoustics Laboratory measurement of sou
2、nd insulation of building elements Part 4:Measurement procedures and requirements). - , 5 - , - . () . - , , 2013 , - - II 10140-420121 12 13 24 .25 .6 () .8 () 9 10140-42012III 4 Acoustics. Laboratory measurement of sound insulation of building elements. Part 4. Measurement methodsand procedures 20
3、1312011 .2 . - , . 3382-2 . . 2. - (ISO 3382-2, Acoustics Measurement of room acoustic parameters Part 2:Reverberation time in ordinary rooms) 10140-1:2010 . . 1. (ISO 10140-1:2010, Acoustics Laboratorymeasurement of sound insulation of building elements Part 1: Application rules for specific produc
4、ts) 10140-2 . . 2. (ISO 10140-2, Acoustics Laboratory measurement of soundinsulation of building elements Part 2: Measurement of airborne sound insulation) 10140-3 . . 3. (ISO 10140-3, Acoustics Laboratory measurement of soundinsulation of building elements Part 3: Measurement of impact sound insula
5、tion) 10140-5:2010 . . 5. (ISO 10140-5:2010, Acoustics Laboratorymeasurement of sound insulation of building elements Part 5: Requirements for test facilities and equipment) 10848-1:2006 . - . 1. (ISO 10848-1:2006,Acoustics Laboratory measurement of the flanking transmission of airborne and impact s
6、ound betweenadjoining rooms Part 1: Frame document) 18233 . (ISO 18233, Acoustics Application of new measurement methods in building and room acoustics)1 10140-420123 :3.1 * (average sound pressure level in a room)L, : , 10 - , - , - ( . .).3.2 (reverberation time) T,c: - 60 . , - 5 , , - 25 .3.3 (s
7、tructural reverberation time) Ts,c: , 60 . Ts - , 60 , 15 20 .3.4 (background noise level), : - , , .3.5 (continuously moving microphone): , - :a) ;b) ( 270).4 4.1 1/3- , , : 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000,1250, 1600, 2000, 2500, 3150, 4000, 5000. , 1/3- , : 50, 63, 80. .4.2
8、4.2.1 : , ; - .4.2.2 :a) 0,7 ;b) 0,7 ;c) 0,7 ;d) 1,0 ;e) 1,0 .* 10140 . , - , , . . - . , , 2 10140-420124.2.3 4.2.3.1 6 100 400 . , 4 .4.2.3.2 30 . , 30 .4.2.4 4.2.4.1 L = 10lgpp pnpn1212202c43c43c43c75, (1) p1, p2,pn () n -;p0 , 20 . - L = 10lg110101nLjnj/,c61c229c230c232c231c246c248c247 (2) Lj .4
9、.2.4.2 1)L = 10lg12002TptdtpmTm(),c242(3) p(t) , ;Tm , .4.3 - . , - . Lb 6 ( 15 ) - Lsb . 15 , 6 , L = 10lg(10 1010 10LLsb b/c45 ),(4) L , ;Lsb , ;Lb , . - 6 , - , 1,3 . , , - , , 1,3 . - (-) .1) (3) - (. 171872010/ 61672-1).3 10140-420124.4 4.4.1 , - , , , - . 10140-5 ( D). - .4.4.2 a) - 5 . - . , .b) 5 - ( - ). . , , - .4.4.3 a) - . - 1 . , . - - (, ) 10. 15 .b) . 1 . , . - - (, ) 10. -15. , ( ), - . - .4.5 4.5.1 . - 10140-5 ( ). .4.5.2
