Journal of Theoretical
and Applied Mechanics

56, 1, pp. 137-146, Warsaw 2018
DOI: 10.15632/jtam-pl.56.1.137

Modified model for shear stress distribution using TRI-1 Lunar soil simulant

S. Jayalekshmi, Pala Gireesh Kumar
In the present study, research is carried out on deriving modified analytical equations for
finding shear stress distribution and known as Modified Shear Stress models (SSM) beneath
plain wheels (small and large) on TRI-1 lunar soil simulant. In all four models, the Reece
model, Bekker model, Wong-Reece model and Iagnemma model, normal stress and shear
stress are determined, and the shear stress determination is based on the Janosi and Hana-
moto (1961) model. There exists ample scope for modifying this model. A modified model
for shear stress distribution is developed and the same is discussed in this paper.
Keywords: TRI-1, lunar soil simulant, modified model, shear stress distribution