Earthquake design techniques for Sri Lanka
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Date
1997-11
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Engineering Research Unit, Faculty of Engiennring, University of Moratuwa
Abstract
Two major factors discourage the introduction of seismic resistant design to low seismic regions
like Sri Lanka. They are the cost associated with improved seismic resistance and the
misconception that the area concerned is seismically inactive. On many occasions the
assumption that a particular area is seismically inactive hcS been proven wrong at the cost of
human life and severe destruction to the infrastructure of the area. In Sri Lanka, structural
designers have not paid sufficient attention to the performance of structures in an earthquake.
Hence, a number of undesirable features are found in many existing structures as highlighted. In
order to adopt structures that will survive an earthquake with minimum damage at minimum
extra capital cost, a detailed study has been carried out to select appropriate earthquake design
techniques for Sri Lanka. The precautions that should be taken with respect to the structural
form are also highlighted.
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