Specimen mounting-honeycomb-air gun-ring spring-main framework and foundation-instrumentation-experimental test-result and discussion-inert specimens-explosive spesimens.
Gun prematures have been studied in the US by schimmel (ref1) who devised a laboratory machine to simulate the collapse of shell-filling cavity as a result of setback forces while being fired from gun.similar machine with added refinements were also used later in UK and Australia. In all these machines, a propellant-actuated force on a movable piston compressed an air gap adjacent to an explosive specimen.
