![]() The side-on blast load (also called free-field blast load) includes the subscript "so" used commonly throughout literature. Notice there are two different curves represented in the idealized pressure-time history diagram including the "side-on blast load" and the "reflected blast load" indicated by the dashed line and solid line, respectively. The time period following the positive phase where pressure falls below atmospheric pressure. ![]() The total pressure-time energy applied during the positive duration calculated by the area under the curve. ![]() The time period for the pressure to return to ambient. The instantaneous pressure arriving at the structure above the ambient atmospheric pressure. RF-DYNAM PRO - Forced Vibrations Time Diagram and RFEM Area Load Definitionsīlast Time History Analysis Steel StructureĪ few of the most important parameters are listed directly on the diagram including: ![]() RF-DYNAM Pro - Forced Vibrations Time Diagram Definitions ![]() Simplified Blast Pressure-Time History DiagramĪISC Design Guide 26 - Example 2.1 Steel Structure in RFEMįront Wall Area Load Perpendicular to the Blast Load Idealized Blast Pressure-Time History Plot ![]()
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