Corrigenda (51:2)

John Eckersley

In the March 2016 issue Equations (1) and (2) were incorrect.

Two references were omitted:

Coulthard, M.A. (1979). Back-Analysis of Observed Spoil Failures Using a Two-Wedge Method. Division of Applied Geomechanics, CSIRO. Technical Report No.83, June 1979.

Gonano, L.P. (1980). An Integrated Report on Slope Failure Mechanisms at Goonyella – November 1976. Division of Applied Geomechanics, CSIRO. Technical Report No.114, October 1980.