Abstract: Measurements of the permeation or sorption characteristics of concrete are increasingly being used as indexes of durability or resistance to chemical attack of new concrete. This investigation was intended to find if these ...

Abstract: Many permeation methods for characterizing the near-surface quality of concrete claim to have the added advantage of being applicable in situ. This paper attempts to highlight some of the aspects associated with using such ...

Abstract: The application of the effective stress principle to unsaturated soils is critically reviewed, and the reasons underlying the difficulties in previous investigations of the effective stress in unsaturated soils are ...

Abstract: Waste‐disposal practices in poor Third World communities can have extremely adverse environmental impacts, especially with regard to ground‐water pollution. The water‐balance or water‐budget method has been developed and ...