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FIGURE 7.—A downtown Las Vegas window, showing howthe glass was sucked
out by the rarefaction wave, rather than pushed in by the compression wave resulting from the November 1, 1951, nuclear test
at the Nevada Test Site.
been no significant structural damages from refracted blast
waves since good predictive methods have been developed.
There has been no known case of direct injury to man or
animals from the refracted blast waves.
Evaluation
The predictive procedures developed resulted in greatly
minimizing: off-site damage from blast effects. In fact, there
have been only incidents of single windows being damaged
oo
wl
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cS
ar
since 1953.
22
Two occurred in 1955 and a third in 1957.