Location

San Diego, California

Session Start Date

5-24-2010

Session End Date

5-29-2010

Abstract

The Netherlands is one of the few European countries where seismic loading is not a dominant part of the national codes. Only for very special structures, earthquakes are regarded as a separate loading case. Until now, Eurocode 8 (EC8) is not part of Dutch building laws nor is there an official Dutch translation. Tectonic seismicity mainly occurs in the southern part of The Netherlands. The Dutch code NEN 6702 has a zonation map which shows horizontal peak accelerations of 0.01g to 0.1g for a return period of 5000 years. However, this seismic zonation map is yet not coherent with the EC8 National Annexes for Belgium and Germany. Induced seismicity due to the exploitation of natural gas is mainly observed in the northern part of The Netherlands. Induced earthquakes in the Netherlands have been observed at shallow depths with magnitudes up to ML = 3.5. Recorded strong accelerations are usually short in duration but have incidentally reached 0.3g. Currently, a study group is investigating the suitability of EC8 approach for Dutch conditions, the different seismic engineering approaches in Belgium and Germany, the implication of induced seismicity and a uniform engineering approach for sensitive structures, adopting (seismic) risk assessment.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

Meeting Name

Fifth Conference

Publisher

Missouri University of Science and Technology

Publication Date

5-24-2010

Document Version

Final Version

Rights

© 2010 Missouri University of Science and Technology, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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May 24th, 12:00 AM May 29th, 12:00 AM

The Meaning of Eurocode 8 and Induced Seismicity for Earthquake Engineering in The Netherlands

San Diego, California

The Netherlands is one of the few European countries where seismic loading is not a dominant part of the national codes. Only for very special structures, earthquakes are regarded as a separate loading case. Until now, Eurocode 8 (EC8) is not part of Dutch building laws nor is there an official Dutch translation. Tectonic seismicity mainly occurs in the southern part of The Netherlands. The Dutch code NEN 6702 has a zonation map which shows horizontal peak accelerations of 0.01g to 0.1g for a return period of 5000 years. However, this seismic zonation map is yet not coherent with the EC8 National Annexes for Belgium and Germany. Induced seismicity due to the exploitation of natural gas is mainly observed in the northern part of The Netherlands. Induced earthquakes in the Netherlands have been observed at shallow depths with magnitudes up to ML = 3.5. Recorded strong accelerations are usually short in duration but have incidentally reached 0.3g. Currently, a study group is investigating the suitability of EC8 approach for Dutch conditions, the different seismic engineering approaches in Belgium and Germany, the implication of induced seismicity and a uniform engineering approach for sensitive structures, adopting (seismic) risk assessment.