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Significant portions of Brazilian city populations are subjected to an imbalance of environmental systems and geological and geotechnical risks. Such factors can only be properly addressed through planning and actions that take into account both the potential and limitations of the physical environment to urban land use. In this sense, geotechnical mapping plays...
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The aim of this paper is to draw attention to experimental evidence which may contribute to the understanding of the viscous behaviour of soft soils and, above all, present the equation for primary one-dimensional consolidation including the soil viscous resistance and the compressibility of water, with its analytical solution. Initially, a generic equa...

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At this time, there is a crisis associated with concern over the safety of tailings dams and lack of trust in their design and performance. This crisis has resulted from recent high-profile failures of dams at locations with strong technical experience, conscientious operators, and established regulatory procedures. It is the primary intent of this Lect...

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Three case histories of dam engineering related topics are presented as previous knowledge and experience would not have led to predict their impact on dam design. The Lecture honours Prof. Victor de Mello by discussing the Balbina HPP where Prof. de Mello led the saprolite foundation design when ancient termite canaliculae were found, imposing the need...

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