BS ISO BRITISH STANDARD 14963:2003 Mechanical yibration and shockGuidelines for dynamic tests and investigations on bridges and viaducts ICS 17.160; 93.040 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO14963:2003 National foreword ThisBritish Standard reproduces verbatimISO14963:2003 andimplements it as the UK national standard. The UK participation in its preparation was entrusted by Technical Committee GME/21,Mechanical vibration and shock,to SubcommitteeGME/21/3, Measurement and evaluation of mechanical vibration and shock, which has the responsibility to: aid enquirers to understand the text; present to theresponsible international/European committee any enquiries on theinterpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the "Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity fromlegal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages i to v, a blank page, pages 1 to 27 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendmentsissued sincepublication This British Standard was Date Amd. No. Comments published under the authority of the Standards Policy and Strategy Committee on 14 July 2005 @BSI 14 July 2005 ISBN 0580 46145 9 BSISO14963:2003 ISO INTERNATIONAL STANDARD 14963 First edition 2003-12-01 Mechanicalvibrationandshock Guidelines for dynamic tests and investigations on bridges and viaducts Vibrations et chocsmecaniquesLignes directrices pouressaiset étudesdynamiquessurpontsetviaducs Reference number ISO 14963:2003(E) ISO = BSISO14963:2003 Contents Page Foreword. iv Introduction V 1 Scope. 2 Normative references... 3 Terms and definitions.. 4 Classification, 4.1 General... 4.2 Type of superstructure.... 4.3 Static design, methods of construction and substructure... 4.4 Function classification... 5 General criteria for testing ... 5.1 General... 5.2 Choice of test techniques ... 5.3 Choice of excitation methods.. 5.4 Choiceofresponsemeasuringsystem.... 6 Testing equipment.. 6.1 Excitationequipment. 6.2 Measurement equipment.... 6.3 Control,acquisitionand analysis systems. 7 Techniques of investigation. 7.1 Generaiconsiderations. 7.2 Tests usingartificial excitation 7.3 Ambientnaturalactions.. 8 Testing and inspection.... 8.1 General... 9 8.2 Testing during construction (interim inspection). 8.3 Testing the completed construction .. 8.4 Investigationandcontrolsduringoperation.. 12 8.5 Monitoring.... 12 9 Final report 13 9.1 General 13 9.2 Test design 14 9.3 Test report..... 15 9.4 Analysis of results and conclusions.... .15 AnnexA(informative)Excitationsystemsandtheirspecification. 16 AnnexB(informative)Measurementequipment and its specification... 22 Bibliography ... ..26 ili BSISO14963:2003 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 non-governmental, in liaison_with isO, also take part in the work. iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules giv