1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS F 2872 KS F 2872:2008 2008 12 26 http:/www.kats.go.krKS F 2872:2008 : ( ) ( ) ( )ANC ( ) ( ) : (http:/www.standard.go.kr) ： ： 2008 12 26 2008-0957 ： ： ( 02-509-7290) (http:/www.kats.go.kr). 10 5 , . KS F 2872:2008 i , , , . KS F 2870 KS F 2871 , . A( ) “
2、NC ” NC . B( ) “ ” . KS F 2872:2008 Rating of water supply noise in apartment bathroom 1 , . 2 . . ( ) . KS F 2870, KS F 2871, KS Q 5002, 1： 3 . 3.1 A (A-weighted sound pressure level) LPAA 10 , . (dB) 2) log(10= OAPAppL (1) LPA ： A (dB) pA： A (Pa) pO： (20 Pa) 3.2 A (equivalent continuous A-weighted
3、 sound pressure level) LAeq,T T A , . (dB) =122212,)(1log10ttOATAeqdtptpttL (2) KS F 2872:2008 2 LAeq,T： t1 t2 T(s) A (dB) PA(t) ： A (Pa) pO： (20 Pa) 4 KS F 2870 KS F 2871 A A . (dB) 1 , , A NC . 1 ( ) A LPA A LAeq,TKS F 2872:2008 3 A ( ) NC A.1 NC . A.2 . A.2.1 NC . 1/3 . A.3.2 . A.2.2 NC (A.3.2 )
4、A.2.3 NC NC A.1 . A.3 NC A.3.1 KS F 2870 KS F 2871 1/3 (A.3.2 ) . A.3.2 . A.3.2 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz 4 kHz A.1 , , . 1/3 . KS Q 5002 . ( )101010113,312,311,31101010log10XXXX += (A.1) KS F 2872:2008 4 X1/1： (dB) X1/3,1, X1/3,2, X1/3,3： 3 1/3 (dB) XY NC XY . 10203040506070809063
5、 125 250 500 1k 2k 4k 8k (dB)NC-70NC-60NC-50NC-40NC-30NC-20 A.1 NC (dB) 2 k 4 8 (Hz) KS F 2872:2008 5 B ( ) B.1 . B.2 . B.2.1 LPFavg , . (dB) KS F 2870 KS F 2871 . B.3 KS F 2870 KS F 2871 . . 1/3 . KS Q 5002 . ( )101010113,312,311,31101010log10XXXX += (B.1) X1/1： (dB) X1/3,1, X1/3,2, X1/3,3： 3 1/3 (
6、dB) XY LPFavg XY . KS F 2872:2008 6 KS F 2872:2008 , . 1 , . KS F 2870 KS F 2871 2006 . . ISO JIS . ISO . A A , A . A . . a) A A . b) NC . A NC . c) . B . 2 2.1 , “ , .” . , . 2.2 2. . KS KS F 2870( ) KS F 2871( ) , ISO . KS F 2872:2008 7 2.3 A , A . 2.4 KS F 2870 KS F 2871 , 1 , , A NC . 3 A( ) NC
7、3.1 , “ NC .” . 3.2 “ NC ” “NC” . “ NC ” A.1 . 3.3 “” . KS F 2870 KS F 2871 1/3 A.3.2 . 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz 4 kHz A.1 , , . 4 B( ) , ( ) . , “ ” . KS F 2870 KS F 2871 , . . 135513 7017 (02)60094114 (02)600948878 http:/ KS F 2872:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rating of water supply noise in apartment bathroom ICS 91.120.20 Korean Agency for Technology and Standards http:/www.kats.go.kr
