Confinement System for the CRUSHED Experiment

Senior Design 2010-2011 Group #4

Overview

The principle objective of the project is to design this system such that compressive forces on the outer diameter of the cylinder can be determined based on the applied torque, pressures or forces. For the final design no sensors can be applied to the cylinder.

This system must be segmental in nature (i.e. – several equal sized pieces) that can be combined to apply a continuous load over the entire length of the cylinder and the steel forms must be able to be re-used. Future iterations of this project will include looking at other types of media like gravel, sand, or crushed concrete. Develop a measurement methodology to determine the compressive force on the exterior wall of the steel cylinder based only on the applied torque. For the final design, no strain gages can be applied to steel cylinder.

The design should consider the implications of how the compressive system can most cost effectively be fabricated. A source for the fabrication whether it be AFRL’s Model Shop, or a machine shop in the private sector needs to be identified. The fabrication of the compressive system must meet the schedule timeline for the course. The design of the cylinder, compressive system, and all aspects of the fabrication should include an evaluation of potential hazards to personnel and to equipment. The design should ultimately incorporate those attributes that minimize risk to personnel and equipment.

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