Quantcast Blast Resistant Glazing Evaluation Procedure

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operational requirements dictate an operational window after a
blast, the frame, connections, and wall should be designed to
also resist the static frame design load, ru, in the outward
direction.  If the window can be permitted to fail after the
positive blast pressure has decayed, more economical frames can
be used, as the negative static design load can be reduced to
0.67 of ru.  For blast durations greater than 250 msec,
significant rebound does not occur during the positive pressure
Anchorage Design.  For design of frame anchorage, the
analyst is referred to "Nelson embedment properties of headed
Wall Loads.  For design and analysis of walls subjected
to blast overpressure, the analyst is referred to Naval
Facilities Engineering Command (NAVFAC) P-397, Structures to
Resist the Effects of Accidental Explosions.  Personnel in the
Waterside Structures Division of the Naval Facilities Engineering
Service Center (NFESC) are available as consultants for blast
overpressure design.
Blast Resistant Glazing Evaluation Procedure.  This
procedure helps to evaluate the performance of an existing
glazing system subjected to a bomb attack.  It provides a set of
structures that step an analyst through analyses of the cross-
section, frame, and wall.  A process chart is shown in Figure 22
and a description of the procedure is presented in Figure 23.


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