Catalogues - acoustic-facades

Catalogue Acoustic façades

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VERTICAL SECT ON

USEFCR PARTITI CNS incorporation of stiffeners according to the table supplier

I N STA LLATI O N

HIGH

packing with cement mortar

WEGHT BEARING WALLS

The wall should be built using traditional cement mortar at 350 kg of cement CPA per cubic meter of dry sand; the garden bricks must mandatorily be positioned in cross joints (pointing should be done with ready-to-use adhesive mortar), respecting a certain height and distance between stiffeners:

o o o o o o

cement mortar

cork footing LOW

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dimensions in mm

27 X 14 X 7 CM ACOUSTIC BRICK


	S maxi	H maxi
Value limit stiffeners	18 nf	3,50 m

Diagram 1

300

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S = Wall surface between stiffeners H = Height between stiffeners

CO/ERNQDOUBLE WALL

Used as a covering for an exterior concrete wall or for an interior wall, Acoustic Bricks can be placed with either vertical straight or cross joints (joined with cement mortar with 350 kg of cement CPA per cubic meter of dry sand), the bricks attached to the wall by steel pins (05 mm) with 3 or 4 attachments per cubic meter. Pointing can be done with adhesive mortar of various colours

SELF-BEARING WALL

(case of brick 30x20x12 or 30x15x12)

> Bricks built with traditional mortar with straight or cross joints will fill in the whole post/beam (metal or concrete).

> It is possible to use 8 x 8 section inscribed in the brick to grout vertical stiffeners (after having taking out the insulation).

Acoustic Brick was also tested by VERITAS (test dated 27/06/96) according to NF S 31.089 standard; test report is available on demand.

TESTS_

Acoustic absorption performance tests (alpha sabine), carried out in reverberating room, conform to the new acoustic regulation. (see Acoustic Regulation pages 122 and 123).



	111	o o

0„0 nO„C n0„O

cross-joint bonding this bonding can also be used for straight joints

A-A Section

possbility of incorporating a renforced concrete pillar of section 80x80 mm

20 X 30 X 12 CM ACOUSTIC BRICK

Diagram 2

ACCUStC character ST cs ALPHA SABNEABSCRPTCN (reverberating room) NFS31.003

Graph.1

1.00 0.90 0.80 0.70 0.60 0.50 0.40

0.30

0.20

0.10 0.00

OLDOOOLDOOOOOOOOOOOO

°?!;°8rlcoS8888rl888£88

*-*-*-CNirNico^rir> Frequency Hz _aW = 0,65 (M)

ALPHA SABNE Values - LGA Test n20.003.507 of 00- 01-24 - NFS 31003 - EN 20.354


FFeqjency Hz	100	125	160	200	250	315	400	500	630	800	1000	1250	1600	2000	2500	3150	4000	5000
ALPHASat 0° in dB per third of an octave	0,19	0,13	0,24	036	0,43	0,60	0,79	0,89	0,90	0,93	0,93	090	0,82	0,69	0,57	0,52	0,45	0,45

frequency Hz per octave band		125			250			500			1000			2000			4000
Alpha L per octave band calculated following ISC		0,187			0,463			0,860			0,920			0,693			0,473

ACOUSTIC CHARACTER STICS

Graph 1

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