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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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Diagenetic processes acting on the sandy sediments of the marine plains from the city of Recife/Brazil formed different types of sandstones. Two blocks of the sandstone formed in the Pleistocene epoch were collected to perform characterization tests and determine their mechanical properties. This sandstone is present in a depth between 0.3 and 4.5 mand ...

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This article analyses the effect of the excavation level on the settlement results from a standard analysis of a piled raft system. For that, a published case history that involved a house located in Gothenburg, Sweden by Hansbo (1993) was examined. This structure was founded over a soft, highly plastic marine clay of varying thickness, where the founda...

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