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....... njolo 22 Rw = 47 dB +=rr-A-+-+-->';---p!'a-�...-.--t--+--+--+--+--+----+----+--+---1 �ICB+ 1 BAB Rw = 56 dB
i Ck'. 0 ,, 0
.t! .;
E g e
g 0 "' 0
c .,
� 0 �
§ "'
70.0
60.0
50.0
30.0
2 0 .0 -1-1---l---l---l--t--t--+--+--+--+--+--+---+----+----+----+--+---I
Frequ�ncia (Hz)
Figura 4: Parede dupla tijolo 11 +15
ICB+2 BAB Rw = 59 dB
[1] Relat6rios de Ensaios ACU254, ACU255, ACU260 e ACU261, ITeCons, (2011 ).
Gyptec IBERICA- Gessos Tecnicos, S.A. Parque Ind. e Emp. da F. cla Foz. Lote 3- S. Pedro, 3090-380 Figueira cfa Foz, PORTUGAL T (+351) 233 403 050 F (+351) 233 430 126 E [email protected] W \'Nlw.gyptec.eu
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