With device developed at Iowa State University, Ames, friction and cohesion values are determined separately in single operation performed on site by one man; working member of experimental model consists of two curved, laterally-corrugated steel "shoes" actuated by pair of hydraulic automobile brake cylinders; cohesion and friction values are derived by correlating shoe pressure with lift-gage readings; tests are generally made on weakest soil stratum encountered in test drilling.
Simple device developed to determine load-bearing capacity of soil
Better Roads
Better Roads ; 36 , n 3
1966
Aufsatz (Zeitschrift)
Englisch
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