Search results for "Geotechnical investigation"

showing 2 items of 2 documents

LONG-TERM STRUCTURAL DEFICIENCIES IN A MAT FOUNDATION ON CLAY SOIL

2013

A 3-story building with a mat foundation consisting of a slab on a grid of grade beams performed poorly on clay soil. Cracking of the slab became rogressively worse as a result of the incorrect esign and fluctuations in the groundwater pressure under the foundation. The cyclic presence and absence of water rusted the steel reinforcement, and the sulfates in the clay soil caused formation of ettringite in the concrete. Plastic hinges formed in the slab and settlements occurred, causing damage to the beams. The situation is still in progress and may lead to the collapse of the structure under normal service conditions. The geotechnical and structural investigations performed to survey and ass…

Geotechnical investigationMat foundation Concrete slab Progressive collapse Differential settlements Soil-water movement.Mat foundationcrackingFoundation (engineering)Progressive collapsesoil water movementBuilding and Constructionprogressive collapsegeotechnical investigationsCrackingSettore ICAR/09 - Tecnica Delle CostruzioniShallow foundationdifferential settlementsSoil waterSlabMat foundation concrete slab progressive collapse differential settlements soil water movement cracking geotechnical investigationsGeotechnical engineeringSafety Risk Reliability and Qualityconcrete slabGroundwaterGeologyCivil and Structural Engineering
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Geophysical and geotechnical investigations to support the restoration project of the Roman ‘Villa del Casale’, Piazza Armerina, Sicily, Italy

2011

A multidisciplinary geophysical and geotechnical study, including some non-invasive geophysical applications, was carried out during the restoration of the ‘Villa del Casale’, a Roman villa discovered near Piazza Armerina (Sicily, Italy) in 1929, famous for its Roman floor mosaics. The project aims were to characterize the geology of the subsoil and provide information for solving the main building structural problems including the subsidence of some parts of the floor and the detachment of the tesserae (i.e., the tiles) of the mosaics. Another goal was the detailed study of the underground structures of the Corridor of the Great Hunt, a part of the villa strongly affected by subsidence and…

Geotechnical investigationgeographygeography.geographical_feature_categoryEngineering geologyBedrockSubsidenceGeophysicsVilla del Casale non-invasive geophysics indoor geophysics electromagnetic resistivityGeophysicsSettore GEO/11 - Geofisica ApplicataGround-penetrating radarElectrical resistivity tomographySeismic refractionGeomorphologyGeologyEnvironmental geologyNear Surface Geophysics
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