Estudio geotécnico en el área del Subcentro de Salud Sevilla Don Bosco y levantamiento geológico del centro poblado Sevilla Don Bosco.

Abstract

This research proposes: geotechnical study of the area in Subcentro de Salud Sevilla , Don Bosco the geological survey and the local seismicity analysis in the place where the research took place in Morona canton, Morona Santiago province; during the development of the field work, where the geological survey, sampling and topography were carried out; next of it , a laboratory analysis of the samples gotten in 6 test pits; in parallel 2 standard penetration tests in study area; which contribute with: the lithology, characteristics, classification and capacity of the soil. The data tabulation, elaboration of thematic maps and interpretation of results to obtain the lithology that will be reflected in the geological map with four lithologies defined as Coluvial1, Coluvial 2, volcanic ash and pliocene are developed in the cabinet work. The geotechnical characterization of the study area classifies the soil as high and low plasticity sand, silts with clayey component and silty clay. The analysis of local seismicity is carried out applying the attenuation laws of Goldsack and Esteva Villavaerde, determining the level of seismicity of the study area that corresponds to an intermediate seismicity according to the analysis, but it is recommended, grant the area of high seismicity according to NEC standard due that the study area contains a lithology that contributes to seismic waves propagation. Based on the results obtained, the soil in the area where the construction is intended must be replaced and the foundations must be made at a minimum depth of -4m below the natural level of the soil.

Keywords: GEOLOGICAL SURVEY - GEOTECHNICAL - SEISMICITY - GEOLOGICAL MAP.