Fri | Dec 14, 2018

Engineers’ Angle | Getting Jamaica earthquake ready

Published:Sunday | July 22, 2018 | 12:00 AMPeter Jarvis
The aftermath of the 2019 earthquake in Haiti.
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Peter Jarvis


In the earlier part of the 20th century the engineering considerations related to earthquakes evolved into being a requirement for the design of structures.

In our time, say since the mid 1950s, the criteria for loads and design evolved in many ways:

The earliest and most basic approach was to apply a static lateral force, equivalent to a percentage of the mass of the structure, based on approximate seismic zoning.