BS EN IEC 60721-2-6:2023 – TC

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Tracked Changes. Classification of environmental conditions – Environmental conditions appearing in nature. Earthquake vibration and shock

Published By	Publication Date	Number of Pages
BSI	2023	72

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Categories: 13.020.99 - Other standards related to environmental protection, BSI

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This part of IEC 60721 deals with environmental conditions appearing in nature related to earthquake vibrations and shocks. Its object is to define some fundamental properties and quantities for characterization of earthquakes as background material for the severities to which products are liable to be exposed during storage and use. Accelerations given are for ground surface conditions only. Conditions related to structures are referred to but restricted to general case descriptions.

PDF Catalog

PDF Pages	PDF Title
1	30470058
41	A-30429942
42	undefined
45	Annex A (normative)Normative references to international publicationswith their corresponding European publications
46	Blank Page
47	English CONTENTS
48	FOREWORD
50	INTRODUCTION
51	1 Scope 2 Normative references 3 Terms and definitions 4 General description of earthquake 4.1 General
52	4.2 Earthquake origin and propagation 4.3 Earthquake behaviour 4.4 Products on foundations 4.5 Products in buildings and structures 5 Seismic scales 5.1 Definition of intensity and magnitude
53	5.2 Examples of intensity scales Tables Table 1 – Earthquake intensity scales for some countries/regions
54	5.3 Example of magnitude scale Table 2 – European Macroseismic Scale (EMS-98)
55	6 Description of the seismic environment by response spectra 6.1 Response spectrum 6.2 Ground response spectrum Table 3 – Moment Magnitude Scale
56	6.3 Required response spectrum 7 Seismic activity zone classification Table 4 – Seismic activity zones
57	Figures Figure 1 – Acceleration record of the Irpinia-Basilicata-Italy earthquake (1980)
58	Figure 2 – Model for composing a response spectrum
59	Figure 3 – Response spectrum of the Calitri record of Irpinia earthquake (1980) (Figure 1) for 2 % damping ratio value
60	Figure 4 – Example of required response spectrum for ground motion
61	Annex A (informative)Example of seismic activity zones A.1 Classification criteria of US Uniform Building Code A.2 World seismic activity zones classification according to UBC Table A.1 – Seismic activity zones definition according to UBC Table A.2 – Seismic activity zones classification according to UBC
70	Bibliography