Earthquake engineering in Britain : proceedings of a conference

396 Pages·1985·28.502 MB·English

EARTHQUAKE
ENGINEERING
EST BRITAIN

1
Proceedings of a conference organized
by the Institution of Civil Engineers
and the Society of Earthquake and
Civil Engineering Dynamics, held at
the University of East Anglia 18-19
f
April 1985.
EARTHQUAKE
ENGINEERING
IN BRITAIN
I Thomas Telford, London
Conference organized by the Institution of Civil Engineers in
association with the Society for Earthquake and Civil Engineer­
ing Dynamics, held at the University of East Anglia, 18-19 April
1985. \
Organizing Committee
Mr. D. E. Key, Chairman, Society for Earthquake and
Civil Engineering Dynamics
Dr B. O. Skipp, Soil Mechanics Limited (Chairman)
Dr R R Kunar, Structural Dynamics Research
Corporation
Dr D. Papastamatiou, Delta Pi Associates
Cataloguing in Publication Data
Earthquake Engineering in Britain: proceedings of a
conference organized by the Institution of Civil Engineers
and the Society of Earthquake and Civil Engineering
Dynamics held at the University of East Anglia, 18-19
April 1985.
1. Earthquake engineering— Great Britain. I. Institution
of Civil Engineers. II. Society of Earthquake and Civil
Engineering Dynamics.
624.1762'0941 TA654.6
ISBN 0 7277 0246 7
First published 1985
@ Institution of Civil Engineers 1985 unless otherwise stated
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sion of the Publications Manager, Thomas Telford Ltd, 26-34 Old Street,
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expressed therein are published on the understanding that the author of
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that its publication does not necessarily imply that such statements and or
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committees
Published for the Institution of Civil Engineers by Thomas Telford Ltd,
26-34 Old Street, PO Box 101, London EC1P1JH
Printed in Great Britain by Billing and Sons, Worcester
Contents
Keynote Address. D. KEY 1
Earthquake activity in Britain
? 1. The geography and intensity of earthquakes in
Britain - the eighteenth century. C. P. MELVILLE 7
y 2. ISC Records of British earthquakes. R. D.ADAMS 25
£/ 3. Investigation of British earthquakes using the
national monitoring network of the British
Geological Survey. C. W. A. BROWITT, T. TURBITT
and S. N. MORGAN 33
^ 4. Long-term seismicity in Britain.
N. M. AMBRASEYS and J. A. JACKSON 49
5. Event triggered seismic detection systems
developed by the British Geological Survey.
D. J. HOULISTON, J. LAUGHUN and G. WAUGH 67
6. Instrumental magnitudes of British earthquakes.
G. NEILSON and P. W. BURTON 83
* 7. A comparison of two historical earthquakes in
North Wales. R. M. W. MUSSON, G. NEILSON and
P. W. BURTON 87
8. Macroseismic focal depth and intensity attenuation
for British earthquakes. P. W. BURTON,
R. McGONIGLE, G. NEILSON and
R M. W. MUSSON 91
9. Seismicity associated with Longwall coal mining.
N. J. KUSZNIR, T. G. BLENKINSOP, R. E. LONG
and M. J.SMITH 111
10. The Seismotectonics of North-West Europe.
R.MUIRWOOD 129
£ 11. Fault activity and palaeoseismicity during
quaternary time in Scotland — preliminary studies.
C A. DAVENPORT and P. S. RINGROSE 143
12. Satellite imagery applied to investigations of
geological structured as part of recent seismic
hazard studies in the UK. J. C. GUTMANIS,
R W. HOLT and R A. WHITTLE 157
* 13. A ground motion probability analysis for Britain
based on macroseismic earthquake data.
R E. LONG 169
>14. Seismic ground motions in Great Britain. G. WOO 183
15. Colchester revisited. B. O. SKIPP, D. T. SHILSTON,
J. C. GUTMANIS and R D. ADAMS 189
16. The 8 November earthquake at Liege, Belgium.
W. P. ASPINALL 207
17. On the seismicity of the south-west of the British
Isles. J. M. MENU, N. N. AMBRASEYS and
C. P. MELVILLE 227
Seismic engineering
18. Seismic engineering requirements in British
industry. M. A. H. G. ALDERSON 243
19. Earthquake hazard in Britain. J. IRVING 261
20. Promises and limitations of available techniques in
UK seismotectonic investigations.
D. PAPASTAMATIOU 279
21. Methods of seismic qualifications for hazardous
facilities in the UK. R R KUNAR 293
22. Seismic design approach for the Sizewell 'B'
nuclear power plant. C. R. SMITH 305
23. Response to extreme earthquakes of an offshore
concrete gravity platform in the North Sea.
E. D. BOOTH and C. J. B. ROBERTS 321
24. The aseismic design of a reactor building for the
advanced gas cooled reactor power plant. D. C. PAL
and J.V.PARKER 335
25. Seismic analysis of the Upper and Lower
Glendevon dams C. A. TAYLOR
A. A. DUMANOGLU, J. TREVELYAN,
J. R. MAGUIRE, R. T. SEVERN and A. G ALLEN 351
26. Probability of seismically induced liquefaction in
British sector of North Sea. W. D. LIAM FINN and
GAIL M. ATKINSON 365
Open discussion
Presentations and discussion 379
Panel discussion 385

KEYNOTE ADDRESS
D. KEY, Chairman, Society for Earthquake and Civil
Engineering Dynamics
On behalf of the members and committee of SECED I welcome
all those participating in the conference to the University of East
Anglia.
To introduce the reasons for having this conference it is
first necessary to introduce, to many of you, the Society for
Earthquake and Civil Engineering Dynamics, SECED. SECED operates
under the aegis of the Institution of Civil Engineers and is the
British National Section of the International Association for
Earthquake Engineering, IAEE. The function of SECED is to promote
co-operation and the advancement of knowledge in its field, in
pursuance of which it holds meetings and conferences for discussion
and publishes papers and reports. It provides a medium for co­
operation between industry and research and a channel through which
the many specialists concerned in earthquakes and dynamics can
express their views - as was recently done on Eurocode 8 (the
European Code for Structures in Seismic Regions). It is also
Earthquake Engineering in Britain. Thomas Telford Ltd, London, 1985 1
EARTHQUAKE ENGINEERING IN BRITAIN
publishing the first directory of services available in the fields
of earthquake engineering and dynamics, and has recently undertaken
a role in conjunction with the Science and Engineering Research
Council to act as a link between industry and research.
Membership of SECED covers a wide range of disciplines,
including geologists, seismologists, engineering seismologists,
civil, structural, mechanical and soils engineers. Membership is
open to all those engaged in relevant disciplines and is not
limited to members of the Institution of Civil Engineers.
Attendance at meeting is open to members and non members alike.
The conference subject is at the interface between two
important areas of activity in Britain. Both British earthquake
engineering and British seismology are concerned with their
discipline world wide. It is a well known fact that, in Britain,
we do not have earthquakes, and like most "well known facts" this
is not true. However it is true to say that the level of
seismicity in Britain is low. The reason for bringing engineers
and seismologists together at this conference is the growing
realisation, that, for many classes of civil engineering
structures, where the acceptable risk of failure is very small,
even the low level of British seismicity is a matter of serious
concern to the engineer. Such structures include nuclear
installations, manufacturing or storage facilities for dangerous
chemicals, dams, long span bridges, power stations and off-shore
platforms. Within these fields there is a great deal of
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