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.
Read more…
Engineering, mechanical
design, instrument, laboratory, machine, simulation, specimen
Electrical Facilities Safety
Chapter 1 Purpose and Applicability
Applicability
References
Chapter 2. Classifications And Responsibilities Of Electrical Workers
Worker classifications
Responsibilities of workers
Safety meetings
Safety rule violation penalties
Chapter 3. Basic Personel Safe Working Practices
Basic safe working practices
Fundamentals of safety
Normal environmental impacts
Electric shock hazards
Electrical work
De-energized line work
Safety clearance for de-energized work
General rules for de-energized line work
Permanent and temporary ground
General rules on electrical grounding
Energized line work
Read more…
Engineering, electrical
component, device, electrical, facility, fundamental, heat, instrument, Material, power, safety, support, tool