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Problemas de consolidação na construção de aterros sobre solos moles

Authors: Abrantes, Ana Catarina Leitão Silva;

Problemas de consolidação na construção de aterros sobre solos moles

Abstract

As transformações do mundo moderno exigem da Engenharia inovação nas técnicas utilizadas e nos materiais a empregar nas diversas obras. É propósito deste trabalho estudar as diferentes possibilidades de resolução dos problemas de consolidação associados à construção de aterros sobre solos moles. Apresentam-se várias metodologias de aceleração da consolidação de solos moles. Para caracterizar o solo mole em análise foram realizados ensaios edométricos e triaxiais. Os assentamentos devidos à consolidação processam-se de modo progressivo ao longo do tempo. O facto de os assentamentos por consolidação serem diferidos no tempo é um aspecto importante a ter em conta na avaliação da segurança de uma construção. É necessário, por isso, em algumas obras, aplicar processos de melhoramento do solo ou que acelerem a consolidação e os assentamentos do solo. Neste trabalho foi estudado um problema típico de consolidação, usando métodos tradicionais e modelação numérica através de elementos finitos, simulou-se ainda numericamente a utilização de drenos geossintéticos para acelerar a consolidação. ABSTRACT: The transformations of the modern world require innovation in the engineering techniques and materials to be used in various works. This work presents different possibilities for solving the problems associated with the consolidation of construction of embankments on soft soil. There are several methods to accelerate the consolidation of soft soils. To characterize the soft soil under analysis oedometer and triaxial tests were performed. The settlements due to the consolidation take place gradually over time. The fact that the settlements be deferred over time is important to take into account when assessing the safety of a structure. Therefore, in some works it is necessary to implement procedures to improve the soil or to speed up the consolidation and settlement of the soil. In this work a typical problem of consolidation was studied, using traditional methods and numerical simulations with finite elements, the use of drains in geosynthetic to accelerate the consolidation process was also simulated numerically.

Mestrado em Engenharia Civil

Country
Portugal
Related Organizations
Keywords

Consolidação dos solos, Geotecnia, Materiais geossintéticos, Engenharia civil, Mecânica dos solos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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