DESIGN AND INSTRUMENTATION OF AN EARTH SHOCK TUBE.
Progress rept. no. 18, Oct-Nov 62,
ATLANTIC RESEARCH CORP ALEXANDRIA VA
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A system to measure the friction at the sidewall of the earth shock tube has been designed. Four Baldwin-LimaHamilton load cells, one attached at each corner of a flange, will support the suspended shock tube, and hence will indicate the total downward force exerted on the shock tube during application of force to the soil column.