: International Journal of Geomechanics Volume 26, Issue 5 Get full access to this article View all available purchase options and get full access to this article. Data Availability Statement Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request. References Banerjee, P. K., and R. Butterfield. 1981. Boundary element methods in engineering science. New York: McGraw-Hill. Burland, J. B., B. Broms, and V. F. B. De Mello.