ISO/TR TECHNICAL REPORT 12930 First edition 2014-04-01 Seismic design examples based on ISO 23469 ExemplesdedimensionnementbaséssurIisO23469 Reference number ISO/TR 12930:2014(E) @ ISO 2014 ISO/TR 12930:2014(E) COPYRIGHTPROTECTEDDOCUMENT ISO2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2014 - All riahts reserved ISO/TR 12930:2014(E) Contents Page Foreword.. Introduction ... vii 1 Scope.. 2 Purpose and policy of collecting design examples...... 2.1 Purpose of collecting well-chosen examples... 2.2 Concept and policy of choosing and composing.... 2.3 2.4 General conclusion of TR12930 obtained through its development .... 2.5 Editors, authors and reviewers... 2.5.1 Editors 2.5.2 2.5.3 Reviewers... 3 Assessment for conformity with Iso 23469 ... 4 First stage of specifying seismic actions - Determination of site-specific earthquake ground motions demonstrated by design examples.... 4.1 4.1.1 Methodology for empirical method in deterministic approach and examples ... 4.1.2 Examples.... 6 4.2 Site-specific seismic hazard analysis evaluation ... 4.2.1 Probabilistic approach- Probabilistic seismic hazard analysis with focus on Fourier amplitude and group delay time .. 8 4.2.1.1 Outline... 8 4.2.1.2 Evaluation of Site Amplification Factor.... 4.2.1.3 Earthquake scenarios and probability of occurrence.... 4.2.1.4 Evaluation of Fourier amplitude spectra... 4.2.1.5 Evaluation of uniform hazard Fourier spectrum . 12 4.2.1.6 Evaluation of ground motion time history.. .13 4.2.1.7 Example of application.... 4.2.2 Site-specific approach on earthquake motions probabilistically evaluated in a LNG tank design considering a specific active fault .... 4.2.2.1 General procedure and design example ......... 4.2.3 Deterministic approach - Theoretical ground motion estimation based on hypothetical scenario earthquakes...... 4.2.3.1 Methodology for theoretical ground motion estimation.... .21 4.2.3.2 Recipe for strong ground motion estimation..... 4.2.3.3 Sedimentary structure model... .26 4.2.3.4 Examples of strong ground motion estimation... 4.2.4 Deterministic approach - Ground motion estimation based on semi empirical approach.. 4.2.4.1 Outline.. .29 4.2.4.2 Evaluation of site amplification factor.. 31 4.2.4.3 Evaluation of strong ground motion.... .34 4.2.4.4 Example of application......... 4.3 Determination of earthquake ground motion to be used in site response analysis. ..43 4.3.1 Empirical and site simplified analysis approach... 43 4.3.1.1 Simplified procedure of Seismic Deformation Method.. ..43 4.3.1.2 Natural period of an example ground.... ..45 4.3.1.3 Ground displacement.. 46 5 Second stage of specifying seismic actions. Seismic evaluation of geotechnical works demonstratedbydesignexamples @ ISO 2014 - All riahts reserved ili ISO/TR 12930:2014(E) 5.1 Demonstrations of seismic evaluation using simplified and detailed analyses....47 5.1.1 Simplified static and detailed dynamic analyses in design example of gravity quay wall in port.... 5.1.1.1 Purpose and functions .. .47 5.1.1.2 5.1.1.3 Reference earthquake motions.... .48 5.1.1.4 Performance criteria and limit states ... 48 5.1.1.5 Specific issues related to geotechnical works ... .50 5.1.1.6 Procedure for determining seismic actions.... 5.1.1.7 Ground failure and other geotechnical hazards 52 5.1.1.8 Spatial variation... .55 5.1.1.9 Types and models of analysis ....... 5.1.1.10 Simplifiedequivalentstaticanalysis .57 5.1.1.11 Detailed equivalent static analysis... .61 5.1.1.12 Simplified dynamic analysis . .61 5.1.1.13 Detailed dynamic analysis 5.1.2 Highway bridge pile foundation .. .64