Catalogue Acoustic façades
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AMB
ACCJJSTC CHARACTERISTICS ALPHA SABNEAFBSCRPTCN (reverberating room) NFS31.003
I N STA L LATI O N
1.00
0.90
0.80
0.70
a
0.60
i
0.50
UJ
0.40
z
<
0.30
T-tflV
0.20
0.10
0.00
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The installation of Acoustic Monolithic Building bricks is presented in Technical /Approval n° 16/99-376 published by the CSTB
The bricks lined up and fitted together over their entire height are to be held together at the top with props (1 prop every 5 or 6 bricks). The footing will be easily bedded using a plastic mortar poured into the top of the bricks, in the free channels, over a height of 3 to 4 cm. (see diagram 3).
The keying of the products one to the other should be poured into its entire height. The upper part of the bricks has a valley designed to house a horizontal tie-rod which will block the top. Modulation to 60 cm is necessary to avoid cutting of the products.
The entire range of AMB with their accessories (corner bricks, halfbricks, lintels, jambs, opening supports) can be used in the construction of buildings.
Modulation to 30 cm is thus possible with bricks. The AMB can also be placed horizontally. In that case the metallic or concrete posts must ensure that the work is correctly assembled.
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Frequency Hz
ALFHA SABINE Values - LGA Test n20.003.507 of 00- 01-24 - NFS 31003 - EN 30.354
Frequency Hz
100
125
160
200
250
315
400
500
630
800
1000
1250
1600
2000
2500
3150
4000
5000
ALPHA Sat 0° in dB per third of an octave
0,30
0,20
0,25
0,40
050
0,70
0,85
095
0,95
0,95
0,85
0,85
075
0,65
0,55
0,50
0,45
0,45
Frequency Hz per octave band
125
250
500
1000
2000
4000
Apia L per octave band calculated following ISC 11654
0,250
0,530
0,920
0,880
0,650
0,470
ACOUSTIC CHARACTERISTICS
Graph. 1
Leon, camping site swimming architectural pool, France Design architect: Agence Lesgourgues
edition N°6 2005
144
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