Accession Number:

AD0754011

Title:

General Yield Conditions in a Plasticity Analysis of Soil-Wheel Interaction

Descriptive Note:

Research rept.

Corporate Author:

GRUMMAN AEROSPACE CORP BETHPAGE NY RESEARCH DEPT

Personal Author(s):

Report Date:

1972-12-01

Pagination or Media Count:

42.0

Abstract:

Plasticity theory and a general representation of the Mohr failure criterion are applied to the problem of soil-wheel interaction. Load, drawbar pull or drag, torque are computed for a rigid wheel being driven on sand obtained from Jones Beach, Long Island, New York. Analytical results obtained from soutions using a conventional Mohr-Coulcomb linear failure envelope are compared to those obtained from a nonlinear solution. Conclusions are drawn from the comparison that attest the importance of considering the nonlinearity of failure envelopes in certain cases for accuracy of soil-wheel interaction prediction. Preliminary experimental results show reasonable agreement with predicted values of wheel performance parameters.

Subject Categories:

  • Soil Mechanics
  • Surface Transportation and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE