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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

UtilizaÃao de solos saproliticos na construÃao de pequenas barragens de terra / User of saprolite soils in construction of small earth dams

Michele Alves de Castro 29 April 2014 (has links)
O solos saproliticos sÃo encontrados no fundo das escavaÃÃes de jazidas que sÃo normalmente usadas na construcao de barragens de terra. NÃo sÃo normalmente utilizados pelo desconhecimentos de suas propriedades adequadas para gerar uma estrutura de vedaÃÃo. Em algumas situaÃÃes por inexistÃncias de solos residuais maduros suficientes para construÃÃo da barragem ou por questÃes de distancia e possÃvel construir a barragem com solos pouco desenvolvidos (solos residuais jovens). Este foi a motivaÃao para realizaÃÃo deste pesquisa. Foram realizados todos os ensaios de caracterizaÃÃo e mecÃnicos em amostras solos jovens (saproliticos) e a partir do conhecimento de suas propriedades foram realizadas simulaÃÃes numÃricas para demonstrar ser possÃvel construir pequenas barragens com solo residual jovem com o atendimento das questoes relativas a seguranÃa e a reduÃÃo provavel de custos. Os resultados experimentais e numÃricos comprovaram essa possibilidade / The saprolite soils are found on the bottom of the excavation of deposits that are commonly used in the construction of earth dams. Are not normally used by the unknowns of their suitable properties to generate a sealing structure. In some situations by inexistÃncias sufficient mature residual soils for construction of the dam or distance issues and possible to build the dam with poorly developed soils (young residual soils). This was the motivation for conducting this research. All mechanical and characterization tests on soil samples young (saprolite) and from knowledge of its properties numerical simulations were performed to demonstrate possible to build small dams with young residual soil with the care of the issues related to safety and reduction were performed probable costs. The experimental and numerical results confirmed this possibility
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