1、 ISO 2012 Acoustics Measurements of sound pressure level emitted by stationary road vehicles AMENDMENT 1 Acoustique Mesurages du niveau de pression acoustique mis par les vhicules routiers en stationnement AMENDEMENT 1 INTERNATIONAL STANDARD ISO 5130 Second edition 2007-06-01 Reference number ISO 51
2、30:2007/Amd.1:2012(E) AMENDMENT 1 2012-04-15 ISO 5130:2007/Amd.1:2012(E) ii ISO 2012 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechani
3、cal, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.o
4、rg Published in Switzerland ISO 5130:2007/Amd.1:2012(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees
5、. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Intern
6、ational Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Sta
7、ndards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subj
8、ect of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Amendment 1 to ISO 5130:2007 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 1, Noise. ISO 2012 All rights reserved iii Acoustics Measurements of sound pressure level emit
9、ted by stationary road vehicles AMENDMENT 1 page 1, Scope Add the following sentence after the first paragraph: “Vehicles with no combustion operation at stationary conditions are not within the scope of this International Standard.” page 3, 5.1, paragraph 1 In the first sentence, add “with no appre
10、ciable level of porosity” after “dense asphalt” to read as follows. A suitable test site shall be outdoors and consist of a level concrete, dense asphalt with no appreciable level of porosity or similar hard material flat surface, free from snow, grass, loose soil, ashes or other sound-absorbing mat
11、erial. PTO ISO 5130:2007/Amd.1:2012(E) ISO 2012 All rights reserved 1 ISO 5130:2007/Amd.1:2012(E) page 4, 6.3, Figure 1 Replace Figure 1 by the following A T S BC AB C D 11 1 2 22 1 1 D Key T top view S side view 1 reference point 2 road surface A mitered pipe B bent down pipe C straight pipe D vertical pipe Figure 1 Reference point 2 ISO 2012 All rights reservedISO 5130:2007/Amd.1:2012(E) ISO 2012 All rights reserved ICS 17.140.30; 43.020 Price based on 2 pages
