1、j 2 ?#. !9丁建洛1 王新春2( 11 “v j “zK g 47109;21y aa JbA9 2)(eA 2) 4 N zM1,yN$g 49Sy S/ ) q s eE D e, e q u; q4,5V e, 2 66 dB; “ qBr ub( 1)e r 2o q e qB H 3 7. 2 b H RV 3, rbj b FB “d, % qf 0/ T:f 0= 600 ( 1/M1 + 1/M2)1/2/l1 / 2= 379 (1/d1+ 1/d2)1/2/l1/2 ( 2), M1aM2 j ( kg/ m2 ) ; d1ad2 j ( mm ) ; lb ( c
2、m)bv T,6 mm + 10 mm ( b ) + 6 mm bj , f 0220 H zb( 2) p ( m)v,. 2 v, m9FB,. 2 9F6 dB; q,. 2 v, q4B,. 2 46 dBb9Fj ,9Fj , 4j 2 ? Vob 2 T:R= 20 lgm+ 20 lgf - 48 ( 3), m) ) ( kg/ m2 ) ;f 2o q( H z)bj 2 T:R = 20 lg215d+ 20 lgf - 48= 20 lgd+ 20 lgf - 40 ( 4), d) )j ( mm ) ( L : b , b F 2 ( $R) b 9F M1,3 1
3、 ,w v1“ T:$R= 10 lgl+ t ( 5), l) ) b ( cm) ; t ),j ?1b6,l 10cm H, $R t10 dBb( 3)r 2o HS8,7 OT wbr “ q H, wo oM H, wrBv,_ 6B 9+Yv, 2 v,C. 2 !- -!b “ qa 1 2 1, j ( |70 000 MPa, 1 |0124, 2 |344m/s) ,5f c= 11975/d ( 6), d)j ( m m) , 6 m mj “ q2 000 H zbT! 1 2 S =( 100 2500Hz) ,j 2 ?|vv,# E b T Vn,e bj C
4、j, T j , 2 j !Mi 3F, P 2 ?b Tj ,5! q, 2 ? bm1 j 2 q1“ wLb61 3 m mj STC31 dB, 1217 mmj ST C36 dBb图1 单层玻璃的隔声与频率的关系曲线51Sy S/ ,m2 MV j a bj aCj aCj 2 wLbVm1m2 V Ab( 1)tj 2 ?N 2 ? p;( 2)V M H, 2 ?V : bj aST CaRw L , VBt? p( V7 U) ,“ V 2 L_j STC b , LBC bj (?: 1/ 8“j + 01030“ Saflex( r) PVB+ 1/ 8“j + 1/ 2
5、“ b ( ) + 1/4“j )STC39,9 b 2514 mm HSTC42, 2514 mm b ST C 41b S=10 m m (j )+ 01 76 mm ( PVB) + 18 mm (j )?Cj ,Pq10 mm (j )+ 11 52 mm ( PVB) + 6 m m (j )?Cj , 12 mm (j ) + 1115 mm( PVB) + 6 mm (j )?Cj , V ST C40b图3 充气对中空玻璃隔声性能的影响YVM? 4j 2)STC,Eyp / :9F 2ED(Cj 9FPVB)9F b 9Fj bV7 j ?M 2 ? (j ?Mj j ()4B
6、+ 5 dB+ 6 d BCj eCj 9 j + 3 dB+ 2 d Bj ()4B+ 3 dB|PVBV01 76mm9F11 52m m(j 910mm) + 1 dB bj Cj 9B j + 4 dB9 b ( b 10m m) + 3 dB*9j 9 + 1dBM + 1dBCbj V bj C bj (ab ) + 4dB9 b + 3dB*9j b l12mmb v12mm+ 3dB+ 1dBM + 1dBCbj VC bj C bj + 3dB9 b ( b 10m m) + 3dB*9j + 1dB: * 2 ?10log ( t2/ t1) , t1at2 b bi ,
7、!9j 2 ? Lby 2_ 3 ?b“j ? ,j 3ST C3?a3 a a f 1b3 2 ?1j , z3 ,3STC1jSTC1 5)b3 CF , , ,1y M 1:Sy, 2000 5 Acoustical Guide EB/ OL 1 Saflex, http: / /ww w1 saflex1 com/ pages/ technical/ acoustical1 asp 6 DuPont ( TM ) SentryGlas( R) Acoustic( TM ) architec-tural glass laminating interlayer EB/ OL1 DuPont
8、, http: / /ww w1 dupont1 com/ safetyglass/ en/ productServices/ gla-sacoustic/ index1 html 7 Sound Insulat ion EB/ OL1 SEKISU I, http: / / w ww1 s- lecfilm1 com/ eng/ html/ architect _ lineup/ archi _ fea-ture51 html 8 Accoust ical Properties of Glass EB/ OL 1 http: / /w ww1 sunlite- ig1 com/ accous
9、tical1 htm 9 Glass Acoustical Informat ion M 1 Cardinal IG Com pa-ny1 Bullet in # IG09 07/ 04 10 Sound Control EB/ OL1 ht tp: / / dealer1 m ilgard1 com/Sound Insulation and Noise Reduction of GlassDing Jian- luo1 , Wang Xin- chun2(11 Luoyang glass stock limited company , Luoyang glassgroup , Luoyang
10、 , 471009; 21 Technology inf ormation in-stituteof building materials industry , Beijing , 100024)Abstract : Principle of sound insulation of glassw as discussed and som e affecting factor s of soundinsulation performance w ere described in this art-icle 1 Comparison of sound insulation performancew
11、 as made am ong m ono-sheet glass , sealed insula-ting glass , lam inated glass , sealed laminated in-sulating glass w ith tw o sheets , sealed lam inatedinsulating glass w ith one cavity , sealed lam inatedinsulating glass w ith tw o cavity 1 Som e exper-ienced method for adjusting sound insulation per-formance w as pr esented1Key words: grade of sound insulation , volume ofsound insulation , noise64Sy S/ ) )uj v 2006 M 6 9189
