Retaining Wall
Mostrando 1-12 de 19 artigos, teses e dissertações.
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1. Behavior of expanded polystyrene as lightweight filler in retaining walls with intermediate slabs
Abstract The present study explores a retaining wall with an intermediate slab. To reduce the lateral earth pressure on the wall, the substitution of part of the soil by blocks of expanded polystyrene (EPS) with high density is proposed, which could result in significant economic savings. Also, the possibility of building the wall elevation with smaller thic
Lat. Am. j. solids struct.. Publicado em: 14/03/2019
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2. Production and characterization of nanocapsules encapsulated linalool by ionic gelation method using chitosan as wall material
Abstract Linalool has been extensively applied in various fields, such as flavoring agent, perfumes, cosmetics and medical science. However, linalool is unstable, volatile and readily oxidizable. A sensitive substance can be encapsulated in a capsule, so encapsulation technology can solve these problems. In this paper, linalool-loaded nanocapsules (Lin-nanoc
Food Sci. Technol. Publicado em: 25/05/2017
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3. Cálculo do empuxo ativo com determinação numérica da superfície freática / Calculation of active thrust with numerical determination of the phreatic surface
A determinação do empuxo ativo através de métodos de equilíbrio limite, para análise de muros de contenção é prática comum na engenharia geotécnica, principalmente pela simplicidade analítica de sua obtenção. Porém, havendo a presença de uma superfície freática no solo arrimado tal determinação não apresenta resultado analítico, sendo e
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/08/2010
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4. APLICATIONS OF PROBABILITY AND STATISTICS IN GEOTECHNICAL ANALYSES / APLICAÇÕES DE PROBABILIDADE E ESTATÍSTICA EM ANÁLISES GEOTÉCNICAS
In geotechnical analyses, forecasts of safety factors or deformations are developed on the basis of deterministics methods, that admit as fixed and known the parameters of the soil or the rock. However, such forecasts are affected by uncertainties proceeding from the reproduction impossibility of the field conditions in laboratory, of the disturbance of the
Publicado em: 2008
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5. Analise de paredes de contenção atraves de metodo unidimensional evolutivo : Marcelo Tacitano / Earth-retaining structures analysis with the evolutionary one-dimensional method
The retaining structures, usually of wood, steel or concrete, can be constituted by sheet pile wall, piles with lagging, ?in cast? pile walls and diaphragm walls among others and need to be designed, so that they reach the requirements about functionality, execution, safety and economy an appropriate way. It is possible divide the design methods in three gre
Publicado em: 2006
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6. PROBABILISTIC ANALYSES OF SLOPES AND RETAINMENTS STABILITY / ANÁLISES PROBABILÍSTICAS DA ESTABILIDADE DE TALUDES E CONTENÇÕES
Geotechnical projects are generaly assessed through the calculus of the safety factor obtained by deterministic methodologies. The purpose of the present research work is to compare two probabilistic methods (Estimate Punctual and Second Moment) employed in stability analyses. Probabilistic methods quantify the uncertainties derived from the variability of g
Publicado em: 2006
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7. Field monitoring behavior of geotextile-reinforced soil retaining wall prototypes / Avaliação experimental de protótipos de estruturas de contenção em solo reforçado com geotêxtil
Apesar das vantagens relacionadas ao uso de estruturas de contenção em solo reforçado, a maioria das obras em nosso país ainda é executada por soluções convencionais. A ausência de um conhecimento mais profundo sobre o real comportamento das estruturas em solo reforçado, principalmente em termos de deslocamentos, certamente impede uma utilização m
Publicado em: 2006
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8. AnÃlise de soluÃÃes de engenharia para estabilizaÃÃo de encostas ocupadas na RegiÃo Metropolitana do Recife â PE. Estudo de caso: Ruptura ocorrida em encosta com ocupaÃÃo desordenada na UR 2, Ibura
Esta dissertaÃÃo foi idealizada com dois objetivos principais. O primeiro à de apresentar um estudo envolvendo 11 municÃpios da RegiÃo Metropolitana do Recife - RMR (Abreu e Lima, AraÃoiaba, Cabo de Santo Agostinho, Camaragibe, ItamaracÃ, Igarassu, Ipojuca, Itapissuma, Moreno e SÃo LourenÃo da Mata) onde foram realizadas obras de contenÃÃo de enco
Publicado em: 2006
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9. Hydrodynamic model for the plasma-gas flow in a cutting torch nozzle
We present a simple hydrodynamic model to obtain the profiles of the relevant physical quantities along a nozzle of arbitrary cross-section in a cutting torch. The model uses a two-zone approximation (a hot central plasma carrying the discharge current wrapped by a relatively cold gas which thermally isolates the nozzle wall from the plasma). Seeking for a s
Brazilian Journal of Physics. Publicado em: 2004-12
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10. Análise do desempenho de estacas hélice contínua e ômega: aspectos executivos. / Analysis of the performance of CFA and omega piles: executives aspects.
This research work presents an analysis of the performance of CFA and omega piles, with emphasis on the influence of execution processes. A review of previous work is presented, showing the construction evolution of these piles, its execution process and relevant aspects concerning the correct execution of these piles, as well as material properties effect
Publicado em: 2002
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11. ANÁLISE DO COMPORTAMENTO DE UM MURO DE CONTENÇÃO UTILIZANDO PNEUS / BEHAVIOUR OF A GRAVITY RETAINING WALL USING SCRAP TIRES / ANÁLISIS DEL COMPORTAMIENTO DE UN MURO DE CONTENCIÓN UTILIZANDO NEUMÁTICOS
Construction of a retaining wall using scrap tires and soil is presented in this thesis. The technique was developed as part of a research program at PUC-Rio in collaboration with University of Ottawa and Geo-Rio. The present work consisted of building and analyzing an experimental retaining wall which was constructed in Jacarepaguá, Rio de Janeiro and made
Publicado em: 1998
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12. FIELD AND LABORATORY TESTS ON THE BACKFILL OF THE EXPERIMENTAL TIRE RETAINING WALL / ENSAYOS DE CAMPO Y LABORATORIO EN EL TERRAPLENADO DEL MURO EXPERIMENTAL DE NEUMÁTICOS / ENSAIOS DE CAMPO E LABORATÓRIO NO RETRO-ATERRO DO MURO EXPERIMENTAL DE PNEUS
Este trabalho consiste na determinação de parâmetros de deformabilidade e resistência do solo do retro-aterro do muro experimental de pneus, localizado em Jacarepaguá (Rio de Janeiro). O muro experimental de pneus possui quatro seções, das quais foram escolhidas duas para realização dos ensaios de campo e para extração dos blocos indeformados. For
Publicado em: 1997