Abstract
AbstractA field trial involving the surface detonation of the equivalent of 5,000 kg of trinitrotoluene (TNT) was carried out in Woomera, South Australia. The overpressures, impulses, and related information obtained from this trial were analyzed and compared against available predictive procedures and previously published data sets. A predictive procedure that is adopted in the widely used Unified Facilities Criteria (UFC) 3-340-02 is based on equations that are established through a small data set, in which issues such as afterburning, increased pressure as a result of the chemical reaction zone, and blast wave asymmetricality were not addressed. The data set contains data from mid and far-field explosions, in which the pressure data in the data set were not directly measured, but were inferred through the arrival-time data. This leads to a significant level of uncertainty in the UFC 3-340-02 procedure, especially for closed-in explosions. Differences between the field measurements and the predictions m...
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