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Four evaluations of a study on the stability of uniformly reinforced slopes are presented. One raises questions about the definition of pore water pressure used in deriving the analytical expression for computing the reinforcement needed to prevent the collapse of slopes. Another argues that the modeling of the soil as a 3D continuum can be applied to various reinforcement patterns regardless of the distribution of inclusions in the soil masss.

An annular trench installed in the vicinity of a rigid foundation subjected to active isolation was examined to determine the efficiency of open trenches in isolating ground vibration due to machine foundations. The analysis also suggests a design formula which could be useful in estimating wave barriers' efficiency. While it may be true that open trenches prove to be effective in reducing ground vibration in the area behind the wave barrier, the area in front of such barrier should also be considered in the wave barrier design.