1、 , ISO 4872:1978Acoustics Measurement of airborne noise emitted by construction equipmentintended for outdoor use Method for determining compliance with noise limits(MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)313252006( 4872:1978)12006/437, - 1.092 . - 1.297 . ,
2、 . , , -, 1 - - , 42 3 , (- 29 24 2006 .) : ( 3166) 00497 ( 3166) 00497 AZBYKZKGRUTJUA - 4 4872:1978 . , . (ISO 4872:1978Acoustics Measurement of airborne noise emitted by construction equipment intended for outdooruse Method for determining compliance with noise limits). , - , . -4872:19785 28 2006
3、 . 273- 313252006 ( 4872:1978) 1 2007 .6 ( ) - ., . , 2007 -, II 3132520061 11.1 11.2 12 23 , .24 34.1 34.2 .34.3 35 .35.1 35.2 35.3 35.4 36 36.1 36.2 .36.3 47 47.1 .47.2 47.3 .77.4 .87.5 87.6 87.7 87.8 88 .98.1 .98.2 99 , 99.1 .99.2 .99.3 99.4 .10 () 11 () .13III 313252006 - 4872. 2204, 4872 . 1718
4、7 - 61672, 179 179. -, 4872, ( 3.2 3.7), ( 3.6). 5.4 , - , .7.84872- , 4 , - 12.1.00383 7 . , - (. 5.1, 7.8,9.4). 10, , , .IV 313252006 , Noise. Measurement of noise emitted byconstruction equipment intended for outdoor use.Methodfor determining compliance with noise limits1 1.1 ( ) . .1 ( 7) 2,0 .
5、, . -, , , , -.2 , , - .3 .4 , , , .1.2 1.2.1 , , - , . , -, , . (. 7.8) , - .1.2.2 , , - , .1 313252006( 4872:1978) 20070401 . , , , , - .2 - : 1718781 . ( 61672-1:2002 . . 1. , NEQ) 312742004 ( 3741:1999) . . ( 3741:1999 . - . , MOD) 31296.12005 ( 1996-1:2003) . , -. 1. ( 1996-1:2003 . , - . 1. ,
6、MOD) - , 1- , , . (), - () . , , , , .3 , - :3.1 (sound pressure level) Lp,:, . 20 .3.2 (A-weighted sound pressure level) Lp,: .3.3 (surface sound pressure level)Lp,: ( - ) - .3.4 (sound power level) LW,:, .1 1 (1012).2 ( - ) (A-weighted sound power level) LW,.3.5 (measurement surface): - S, , .3.6 (background noise): , .3.7 (equivalent A-weighted sound pressure level) LpAeq,T,: , - , .2 313252006 LpAeq,T=10lg110010TLtTpAdt,()c242, T .4 4.1 , , - . ( ) .4.2 6 (- 10 ) .4.3 8 /. , - 1 /, . .5 5.1 .1 1- 17187 . .2 , - .5.2 , . - . 17187.5.3 , 1.8 1.23 17187.5.4 . 250 1000 . 17187.6 6.1 ,
