Evaluation of site effects in some localities of ‘Alta Val Tiberina Umbra’ (Italy) by numerical analysis
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| Title: | Evaluation of site effects in some localities of ‘Alta Val Tiberina Umbra’ (Italy) by numerical analysis |
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| Authors: | Pergalani, F. pergalani@stru.polimi.it, Compagnoni, M.1, Petrini, V.1 |
| Source: | Soil Dynamics & Earthquake Engineering (0267-7261). Feb2003, Vol. 23 Issue 2, p85. 21p. |
| Subjects: | Earthquakes |
| Geographic Terms: | Italy |
| Abstract: | In the paper the application of a methodology for the evaluation of site effects in an area of Umbria Region (Italy) is shown. In the project 20 localities were analyzed. In this paper the results of some representative localities are presented. The objective of the project was to develop a methodology that may be easily repeated, in order to take into account site effects in urban planning. Therefore a series of geologic, geomorphologic (1:5.000 scale) and geotechnical analyses have been carried out, to identify the areas affected by site effects and to characterize the lithotechnical units. The expected seismic inputs have been calculated and the numerical analyses 1D and 2D have been done. The results, in terms of elastic pseudo-acceleration spectra and amplification coefficients, as a ratio between spectral intensity of output and input, give elements for urban planning, both for urban general choice and for buildings design. [Copyright &y& Elsevier] |
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| Database: | Engineering Source |
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