TY - JOUR
T1 - Predicting wheel forces using bearing capacity theory for general planar loads
AU - Hambleton, J. P.
AU - Stanier, S. A.
N1 - Funding Information:
The authors gratefully acknowledge the financial support provided by the Australian Research Council (ARC) through the ARC Centre of Excellence for Geotechnical Science and Engineering (CE110001009). The first author also acknowledges support from an ARC Discovery Early Career Research Award (DE160100328).
Publisher Copyright:
© 2017 Inderscience Enterprises Ltd.
PY - 2017
Y1 - 2017
N2 - This paper assesses the applicability of bearing capacity theory for evaluating the forces generated on wheels operating on clay under steady rolling conditions. Considering advances in bearing capacity theory, in particular the interaction diagrams developed for general loading, a theoretical model for computing the horizontal force or torque from fundamental input parameters such as the vertical force (weight), wheel diameter, and undrained shear strength of the soil is presented. The predictions are compared with existing analytical solutions and data from laboratory testing, and reasonable agreement is demonstrated. The newly proposed model provides a means to predict wheel forces analytically under any operating condition (driven, braked, or towed), provided the contact length and so-called contact angle, which defines the position of the contact interface, can be estimated. The model provides a rigorous, convenient framework for evaluating wheel forces under arbitrary loading and enables a natural physical interpretation of the mobility problem.
AB - This paper assesses the applicability of bearing capacity theory for evaluating the forces generated on wheels operating on clay under steady rolling conditions. Considering advances in bearing capacity theory, in particular the interaction diagrams developed for general loading, a theoretical model for computing the horizontal force or torque from fundamental input parameters such as the vertical force (weight), wheel diameter, and undrained shear strength of the soil is presented. The predictions are compared with existing analytical solutions and data from laboratory testing, and reasonable agreement is demonstrated. The newly proposed model provides a means to predict wheel forces analytically under any operating condition (driven, braked, or towed), provided the contact length and so-called contact angle, which defines the position of the contact interface, can be estimated. The model provides a rigorous, convenient framework for evaluating wheel forces under arbitrary loading and enables a natural physical interpretation of the mobility problem.
KW - Bearing capacity
KW - Clay
KW - Interaction diagrams
KW - Mobility
KW - Soil-wheel interaction
KW - Yield envelopes
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U2 - 10.1504/IJVP.2017.081276
DO - 10.1504/IJVP.2017.081276
M3 - Article
AN - SCOPUS:85037731689
VL - 3
SP - 71
EP - 88
JO - International Journal of Vehicle Performance
JF - International Journal of Vehicle Performance
SN - 1745-3194
IS - 1
ER -