KS F ISO 11654-2003 Acoustics－Sound absorbers for use in buildings－Rating of sound absorption《声学 建筑物用声音吸收装置 吸声率》.pdf

1、 KS F ISO 11654KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS F ISO 11654 : 2003 (2008 ) 2003 6 10 http:/www.kats.go.kr : ( ) ( ) ( ) ANC ( ) ( ) ( ) : (http:/www.standard.go.kr) ： : 2003 6 10 : 2008 6 25 2008-0297 : ( 02-503-7290) . (http:/www.kats.go.kr) 10 5 , . ICS 91.120.20 KS F ISO 11654：2003(200

2、8 ) AcousticsSound absorbers for use in buildingsRating of sound absorption ISO 11654： 1997 Acoustics Sound absorbers for use in buildings Rating of sound absorption . A() ISO 11654 Annex A . B() ISO 11654 Annex B . 1. , , , , . 1. KS F 2805 1/3 . 2. . . 3. . , . , . 4. 250 Hz . . 5. KS F 2805 . , (

3、baffle) . 2. . . KS F 2805 3. . 3.1 (practical sound absorption coefficient) pKS F 2805 1/3 F ISO 11654： 2003 2 i pi . 3.2 (weighted sound absorption coefficient) w 500 Hz 3.3 (shape indicators) L, M, H 0.25 , ( ) 0.1 . 4. 4.1 1/3 i1, i2, i3 . 3)(321piiii+= (1) 0.05 1.00 . 1. x.y2 x.y0, x.y3 x.y5, x

4、.y7 x.y5, x.y8 x.y 0.1 . 0.92 0.05 0.90 . 2. 1.0 1.0 . 4.2 pi 1 w . 0.10 0.05 . w 500 Hz . 1 250 Hz 500 Hz 1 000 Hz 2 000 Hz 4 000 Hz 0.80 1.00 1.00 1.00 0.90 4.3 0.25 , . (Hz) F ISO 11654： 2003 3 250 Hz , L . 500 Hz 1 000 Hz , M . 2 000 Hz 4 000 Hz , H . . 5. 5.1 5.3 . , . 5.1 sKS F 2805 1/3 s . x

5、log , y s . 15 mm, 0.30 15 mm . , . 5.2 p p . x log , y p . 15 mm, 0.30 15 mm . y p 0 p 1.0 , x 125 4 000 Hz . , . 5.3 w , w . w 0.70(MH) 5.4 pw . , ( 2 ). 2 F ISO 11654： 2003 4 A() ( w) A.1 (w) . 0.10 0.05 . 250 Hz , w 0.60 . . (Hz) 125 250 500 1 000 2 000 4 000 0.40 0.60 0.60 0.60 0.50 0.20 0.35 0

6、.70 0.65 0.60 0.55 A.1 A.2 . A.1 w 0.60 . 500 Hz 0.25 , “M” . (Hz) 125 250 500 1 000 2 000 4 000 0.40 0.60 0.60 0.60 0.50 0.20 0.35 1.00 0.65 0.60 0.55 A.2 (Hz) (Hz) F ISO 11654： 2003 5 B() . w B.1 . B.1 . B.1 wA 0.90, 0.95, 1.00 B 0.80, 0.85 C 0.60, 0.65, 0.70, 0.75 D 0.30, 0.35, 0.40, 0.45, 0.50,

7、0.55 E 0.15, 0.20, 0.25 0.00, 0.05, 0.10 A B C D E B.1 (Hz) F ISO 11654： 2003 6 KS F ISO 11654： 2003 ( ) . , . 1. , . , , . KS , KS ISO , . KS F 2814 “ ” ISO 10534 1 KS F 2814 1 “ 1： ” , ISO 10534 2 KS F 2814 2 “ 2： ” . , , ISO 11654： 1997 Sound absorbers for use in buildings Rating of sound absorpt

8、ion KS . 1/3 , “ ” , B . 2. 2.1 , , , , KS F 2805( ) , , (baffle) , . 250 Hz , . . 2.2 , 2. KS . , KS F 2805： 1981( ) . F ISO 11654： 2003 7 2.3 KS F 2805 1/3 “ ”, 500 Hz “ ”, 0.25 “ ” . 2.4 plotting , 0.1 0.05 500 Hz , 0.25 , 250 Hz L, 500 1 000 Hz M, 2 000 4 000 Hz H . 2.5 1/3 , , . 1/3 , , . w 0.7

9、0(MH) , . 3. A() , Annex A . 4. B() , Annex B . 135513 7017 (02)60094867 (02)600948878 http:/ KS F ISO 11654 : 2003 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Acoustics Sound absorbers for use in buildings Rating of sound absorption ICS 91.120.20 Korean Agency for Technology and Standards http:/www.kats.go.kr