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Etat d'avancement de l'étude Ademe / Velux sur l'exposition ... - CSTB

Etat d'avancement de l'étude Ademe / Velux sur l'exposition ... - CSTB

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Delta Lp en dB<br />

3m<br />

20<br />

10<br />

0<br />

-10<br />

-20<br />

50<br />

63<br />

80<br />

IMMEUBLE ISOLE R+7<br />

100<br />

125<br />

160<br />

200<br />

250<br />

315<br />

400<br />

LP faça<strong>de</strong>s<br />

Delta moy Lp R+1; R+4<br />

Delta moy Lp R+1; R+7<br />

500<br />

Position <strong>de</strong>s<br />

microphones<br />

R+7<br />

R+4<br />

R+1<br />

630<br />

freq Hz<br />

10m<br />

Figure 14 : immeuble isolé R+7 ; configuration géométrique testée et résultats en terme<br />

d’atténuation<br />

800<br />

1000<br />

1250<br />

1600<br />

2000<br />

2500<br />

3150<br />

4000<br />

5000<br />

7,5m<br />

7,5m<br />

4,8m<br />

22m<br />

16

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