Experimental And Computational Methods For
Steel Columns Subjected To Blast Loading
Author(s)
L. K. Stewart
Abstract
The extreme environment generated by blasts that result from terrorist incidents
can cause devastating consequences for structures and their occupants. Attacks in
the form of vehicle bombs have motivated the necessity for designing and
analysing structures to withstand these types of events. Typically, the
development of such methodologies is driven by conclusions that have been
obtained via field tests. Unfortunately, due to the harsh environment created by
explosives, characterizing behaviours of structural components and collecting
reliable data during a field blast event is problematic.
In an effort to provide answers to key questions related to how structures
behave during a blast event and assuage the difficulty of producing high quality
data, the University of California, San Diego (UCSD) Blast Simulator was
developed. Using this technology, a series of experiments was conducted on fullscale
structural steel columns to investigate the performance of the columns
subjected to such vehicle borne threats. Because there is no fireball, high quality
visual and quantitative data was produced which was used to validate the
Simulator versus field testing and produce a high fidelity finite element model
for column loading in both the weak and strong axis directions for future
prediction needs.
Keywords: blast, steel, columns, simulator, finite element.
Keywords
blast, steel, columns, simulator, finite element
Related Book
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