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The scope of this paper is the back analysis of soft soil treatment case studies in which prefabricated vertical drains together with physical and vacuum surcharge were applied. Initially, the vacuum surcharge systems in vertical drains used worldwide are reviewed. The radial consolidation theory specifically developed for vacuum and physical surcharges is prese...
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During routine inspection works in 2006 inspectors found resurgences of water at the toe of a small embankment dam named ″Ribeirão do Gama″, located at Brasí­lia – DF. After technical visits, geotechnical engineers characterized these groundwater leakages as a piping process at an early stage. ...

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Analyses of load settlement behavior for pile groups must consider the interaction of nearby piles. In small pile groups, the key factor for evaluating load-settlement behavior is single-pile stiffness, but when analyzing large pile groups and piled rafts, the importance of induced settlements due to neighboring piles increases. This paper reviews the m...

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The traditional dynamic load test, based on the one-dimensional wave propagation theory consists in applying a sequence of constant energy blows and making measurements using deformation and acceleration sensors installed on top of the pile, as a function of time. The traditional method has evolved with the development of a numerical model that simulate...

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