In this paper a review of the principal results of a research conducted on the soil of the city of Catania, located in eastern Sicily (Italy), is presented. The results of in situ and laboratory investigations are described and compared in order to provide a representative geotechnical model of ground conditions of different zones in the city, for realistic seismic scenarios response analysis. The investigation program was performed in several different test sites of Catania to evaluate the shear waves profiles and the variation of shear modulus and damping ratio with strain level and depth. In situ investigations of sandy and clayey soils were carried out in order to determine the soil profile and the geotechnical characteristics for the area under consideration. Among in situ tests, borings, Standard Penetration Tests (SPT), Cone Penetration Tests (CPT), Down Hole, Cross Hole and Seismic Dilatometer Marchetti Tests (SDMT) were carried out, with the aim to evaluate the soil profile of shear wave velocity (Vs). Moreover, laboratory tests were carried out on undisturbed samples in the static and dynamic field. Among the dynamic tests, Cyclic Loading Torsional Shear Tests (CLTST), Resonant Column Tests (RCT), were carried out. The results have been grouped and allows the characterisation of the following soil categories: clay, sandy clay, silica sand, volcanic sand, volcanic rock. The seismic behaviour of these soil categories has been used for the microzonation of the studied area.
Dynamic soil characterization of different test sites for microzonation of Catania city
P. CapilleriData Curation
;
2012-01-01
Abstract
In this paper a review of the principal results of a research conducted on the soil of the city of Catania, located in eastern Sicily (Italy), is presented. The results of in situ and laboratory investigations are described and compared in order to provide a representative geotechnical model of ground conditions of different zones in the city, for realistic seismic scenarios response analysis. The investigation program was performed in several different test sites of Catania to evaluate the shear waves profiles and the variation of shear modulus and damping ratio with strain level and depth. In situ investigations of sandy and clayey soils were carried out in order to determine the soil profile and the geotechnical characteristics for the area under consideration. Among in situ tests, borings, Standard Penetration Tests (SPT), Cone Penetration Tests (CPT), Down Hole, Cross Hole and Seismic Dilatometer Marchetti Tests (SDMT) were carried out, with the aim to evaluate the soil profile of shear wave velocity (Vs). Moreover, laboratory tests were carried out on undisturbed samples in the static and dynamic field. Among the dynamic tests, Cyclic Loading Torsional Shear Tests (CLTST), Resonant Column Tests (RCT), were carried out. The results have been grouped and allows the characterisation of the following soil categories: clay, sandy clay, silica sand, volcanic sand, volcanic rock. The seismic behaviour of these soil categories has been used for the microzonation of the studied area.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.