Test Report Nº B2016 LACUS IN 24
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1 EMPLEGU ETA GIZARTE POLITIKETAKO SAILA Etxebizitza, Zuzendaritza DEPARTAMENTO DE EMPLEO Y POLÍTICAS SOCIALES Dirección de Vivienda AKUSTIKA ARLOA kudeatzailea: ACOUSTICS AREA managed by: Laboratory measurement of sound insulation TEST SPECIMEN: 44.2 EVALAM VISUAL glass composition. APPLICANT: HORNOS INDUSTRIALES PUJOL, S.A. (Pol. Ind. El Pla) C/ del Pla, Sant Feliu del Llobregat (Barcelona) SPAIN USED STANDARD: EN ISO :2010. TEST DATE: 25 th October, TEST REPORT DATE: 10 th November, Technical Manager The technical owned of the ENAC Nº4/LE456 accreditation fall to Fundación Tecnalia Research & Innovation, the same way as the technical signatures of this report. The installations where are performed the measurements according ENAC Nº4/LE456 accreditation belong to the Acoustics Area of Laboratory for Quality Control in Buildings of the Basque Country Government. TECNALIA is Notified Body 1292 according to Regulation (EU) No 305/2011 Construction products for the specified tests. THIS REPORT CONTAINS: Total number of pages: 7 (+1 Annex). 4 / L E This document includes only and exclusively the tested specimen and the moment and conditions in which those measurements were made. It is expressly forbidden any total or partial reproduction of this document, except with a written conformity from TECNALIA. The test specimen has been subjected to the test asked by the applicant, following the specified procedures in the used standards. Test results are detailed in the inside pages. Uncertainties of measurements are available to the applicant. Page 1 of 7 (+1 Annex)
2 INDEX 1. AIM PLACE OF TEST SPECIMEN CONSTRUCTION AND TEST EXECUTION TEST STANDARS AND PROCEDURES TEST ARRANGEMENT Test specimen description Laboratory test facilities Equipment TEST PROCEDURE AND EVALUATION RESULTS... 7 ANNEX Test results. Page 2 of 7 (+1 Annex)
3 1. AIM This report presents the results of the laboratory measurement of airborne sound insulation, according to EN ISO , of a glass composition manufactured by HORNOS INDUSTRIALES PUJOL, S.A. 2. PLACE OF TEST SPECIMEN CONSTRUCTION AND TEST EXECUTION The test specimen was mounted in the Laboratory for Quality Control in Buildings of the Basque Country Government located at Aguirrelanda Street, Nº 10, Vitoria Gasteiz (Alava Spain). The test was performed in the horizontal transmission rooms of the Acoustics Area of the laboratory by personnel of TECNALIA (Construction Area Technological Services Division). The test specimen was selected and delivered by the applicant. The installation and sealing of the specimen in the test opening was made by personnel of TECNALIA, and finished on 25 th October, The test sample stayed 24 hours in the same temperature conditions than the test rooms. 3. TEST STANDARDS AND PROCEDURES EN ISO :2010: Acoustics Laboratory measurement of sound insulation of building elements Part 2: Measurement of airborne sound insulation. EN ISO 717 1:2013: Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation. TECNALIA internal procedures. According to ENAC accreditation No 4/LE456 (ENAC: Spanish National Accreditation Body). - PE.CM AA 61 E: Procedure to measure the airborne sound insulation into the horizontal and vertical transmission rooms. - PE.MC AA 06 M: Procedure to manage the test specimens for acoustic tests in laboratory. Standard EN ISO :2010, together with the other EN ISO :2010, EN ISO :2010, EN ISO :2010 and EN ISO :2010, cancels and replaces standard EN ISO 140 3:1995. The measurement and evaluation process applied to the specimen described in this report is according to the standard in force EN ISO :2010, and complies with cancelled standard EN ISO 140 3:1995. Page 3 of 7 (+1 Annex)
4 4. TEST ARRANGEMENT 4.1. Test specimen description Reference: 44.2 EVALAM VISUAL. The test specimen consists on 4+4 laminated glass. According to the dates provided by the applicant, the test specimen is composed by: 4mm Float glass +2 Evalam Visual interlayers (0,38mm each one) + 4mm Float glass. The test specimen consists on a glass composition, 1,23m width x 1,48m height. The test specimen was mounted into the test opening of a double disconnected concrete wall, 20cm thick each one, separated by rock wool 50 mm thick, using wooden beads and putty Illbruck OS 201 (see Figure 1). The test opening (1,25 x 1,5m) as well the installation of the test specimen are according to EN ISO (Annex D). Concrete frame (20cm) Source room Test specimen Receiving room Putty Wooden beading Rock wool Figure 1: Sketch of specimen mounting (B M350) Page 4 of 7 (+1 Annex)
5 Photo 1 Photo 2 Photos 1 2: Test specimen in test rooms 4.2. Laboratory test facilities The sound insulation test was performed in the horizontal transmission rooms, composed of a source and a receiving room. The receiving room is composed of a double concrete box of twenty and ten centimetres of thickness each one, acoustically disconnected. The mobility of the source transmission room allows the construction and mounting of the test specimen outside, as well its subsequent installation between the test rooms. These rooms comply with the requirements of EN ISO Figure 2: Sketch of the horizontal transmission rooms Page 5 of 7 (+1 Annex)
6 4.3. Equipment Source room Receiving room Microphones Brüel & Kjær 4943; Nº Brüel & Kjær 4943; Nº Preamplifiers Brüel & Kjær 2669; Nº Brüel & Kjær 2669; Nº Sound sources Brüel & Kjær 4296; Nº CERWIN VEGA; Nº Booms Brüel & Kjær 3923; Nº Brüel & Kjær 3923; Nº Control room Analyser Brüel & Kjær 2144; Nº Amplifier LAB Gruppen;LAB 300; Nº Equalizer Sony, SRP E100; Nº Calibrator Brüel & Kjær 4231; Nº Atmospheric conditions meter Ahlborn Almemo S; Nº H TEST PROCEDURE AND EVALUATION The sound reduction index (R) for the one third octave band 100 Hz to 5 KHz is calculated according to EN ISO standard using: R=L 1 L Log S/A where, L 1 : Average sound pressure level in the source room. L 2 : Average sound pressure level in the receiving room. S: Test specimen area. A: Equivalent sound absorption area in the receiving room. The measurement of the average sound pressure levels L 1 and L 2 is performed emitting an equalized white noise (between 100 Hz and 5 khz) with a moving omnidirectional sound source. The sound field in the source and receiving rooms is sampled using moving microphone with a sweep radius of 1 m and a traverse period of 16 s during 32 s of measure. Background noise is measured in the receiving room in the one third octave band 100 Hz to 5 khz according to the same measurement process of sound field in the receiving room. Page 6 of 7 (+1 Annex)
7 The equivalent sound absorption area is evaluated from the reverberation time measured in the receiving room, using Sabine s formula: A=0.16 V/T where, A: Equivalent sound absorption area in the receiving room. T: Reverberation time in the receiving room. V: Receiving room volume. Reverberation time in the receiving room is determined using two positions of the sound source and three fixed microphone positions for each source position, at 120º in the microphone path. Measuring chain is verified just before and after the execution of the test. 6. RESULTS In Annex, are featured the following results for the test specimen: Sound reduction index, R, in third octave frequency bands from 100 to 5000 Hz, in table and graph. The Weighted sound reduction index, R w, calculated according to EN ISO 717 1, from the sound reduction index, R. The spectrum adaptation terms between 100 and 3150 Hz, C and C tr, calculated according to EN ISO 717 1, which are the values, expressed in decibels, to be added to the global magnitude value (R w, for example) to consider the characteristics of a particular noise spectrum, such as pink noise (C) and traffic noise (C tr ). Additionally, the following global values, calculated as the Spanish rule Documento Básico DB HR Protección frente al ruido, of Código Técnico de la Edificación (CTE) from the sound reduction index, R. - The A weighted sound reduction index, R A, from 100 to 5000 Hz, expressed to one decimal place. - The A weighted sound reduction index, R A,tr, for exterior traffic noise from 100 to 5000 Hz, expressed to one decimal place. Page 7 of 7 (+1 Annex)
8 EMPLEGU ETA GIZARTE POLITIKETAKO SAILA Etxebizitza Zuzendaritza DEPARTAMENTO DE EMPLEO Y POLÍTICAS SOCIALES Dirección de Vivienda Airborne Sound Insulation according to EN ISO :2010 (*) Laboratory Measurements Applicant: HORNOS INDUSTRIALES PUJOL, S.A. Test date: 25 th October, Test specimen: 44.2 EVALAM VISUAL glass composition.see details in the report. Float glass (4mm) 2 Evalam Visual interlayers (0,38mm each one) Receiving room volume: 55 m 3 Source room volume: 65 m 3 Estimated superficial mass: 20 kg/m 2 Test specimen area: 1,88 m 2 (1,25x1,5 m) T rooms: 21,2 ºC HR rooms: 60 % P rooms: 957 mbar 55 R (db) Curve of reference values for the evaluation of the weighted sound reduction Index, Rw f (Hz) R (db) , , , , , , , , , , , , , , , , , ,8 Sound reduction index R (db) Frequencies (Hz) Rating according to EN ISO 717 1: R w (C;C tr ): 37 ( 2; 3) db Rating according to DB HR of CTE: R A : 35,4 dba R A,tr : 33,7 dba Evaluation based on laboratory measurement results obtained by an engineering method. 4 / L E (*) It annuls, replaces and complies with cancelled standard norm EN ISO 140 3:1995 Nº of result: B M350 Signature: Acoustics Area Managed by Date of report: 10 th November, Annex to Test Report Nº B2016 LACUS IN 24 Page 1 of 1
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