Publications

The V31 containment vessel was procured by the US Army Recovered Chemical Material Directorate (RCMD) as a third - generation EDS containment vessel. It is the fifth EDS vessel to be fabricated under Code Case 2564 of the 2019 ASME Boiler and Pressure Vessel Code, which provides rules for the design of impulsively loaded vessels. The explosive rating for the vessel, based on the c ode c ase, is twenty - four (24) pounds TNT - equivalent for up to 1092 detonations. This report documents the results of explosive tests that were performed on the vessel at Sandia National Laboratories in Albuquerque , New Mexico to qualify the vessel for field ope rations use. There were three design basis configurations for qualification testing. Qualification test (1) consisted of a simulated M55 rocket motor and warhead assembly of 24lbs of Composition C - 4 (30 lb TNT equivalent). This test was considered the maxi mum load case, based on modeling and simulation methods performed by Sandia prior to the vessel design phase. Qualification test (2) consisted of a regular, right circular cylinder, unitary charge, located central to the vessel interior of 19.2 lb of Compo sition C - 4 (24 lb TNT equivalent). Qualification test (3) consisted of a 12 - pack of regular, right circular cylinders of 2 lb each, distributed evenly inside the vessel (totaling 19.2 lb of C - 4, or 24 lb TNT equivalent). All vessel acceptance criteria were met.

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Sandia National Laboratories was tasked by the United States Army Recovered Chemical Materiel Directorate with evaluating the fitness of the Transportable Detonation Chamber for use in demilitarization of chemical munitions. The chamber was instrumented with strain, pressure, and acceleration sensors to study its behavior during explosive tests ranging from 1.25 to 20 lb of explosive charge weight. The structural response of the chamber and techniques recommended by the manufacturer- use of water bags and sand-filled walls-were assessed. Through this testing, it was found that the two techniques did not significantly affect the chamber's response. It was also discovered that the structural integrity of the chamber (and, therefore, its suitability for use with chemical agents) was compromised, as some welds failed. Sandia does not recommend using this vessel for chemical munition demilitarization. This chamber is suitable, however, for demilitarization of conventional munitions, in which fragments and overpressure are the primary concern.

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The V27 containment vessel was procured by the US Army Recovered Chemical Material Directorate ( RCMD ) as a replacement vessel for use on the P2 Explosive Destruction Systems. It is the third EDS vessel to be fabricated under Code Case 2564 of the ASME Boiler and Pressure Vessel Code, which provides rules for the design of impulsively loaded vessels. The explosive rating for the vessel, based on the Code Case, is nine (9) pounds TNT - equivalent for up to 637 detonations . This report documents the results of explosive tests that were done on the vessel at Sandia National Laboratories in Albuquerque New Mexico to qualify the vessel for explosive use . The primary qualification test consisted of si x 1.5 pound charges of Composition C - 4 (equivalent to 11.25 pounds TNT) distributed around the vessel in accordance with the User Design Specification. Four subsequent tests using less explosive evaluated the effects of slight variations in orientation of the charges . All vessel acceptance criteria were met.