Experimental study on fibre reinforced sandy soils behaviour under static loadings - drained and undrained conditions
| Autor: | Nilo Cesar Consoli, Jorge Hernán Flórez-Gálvez, Lucas Festugato |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Polypropylene
lcsh:GE1-350 Void (astronomy) Materials science 0211 other engineering and technologies 020101 civil engineering 02 engineering and technology Laboratory scale 0201 civil engineering chemistry.chemical_compound chemistry Friction angle 021105 building & construction Soil water Relative density Composite material lcsh:Environmental sciences |
| Zdroj: | E3S Web of Conferences, Vol 92, p 12002 (2019) |
| ISSN: | 2267-1242 |
| Popis: | The effect of the addition of 0.5% of randomly distributed polypropylene fibres in a round grained sand, composed mainly of silica, is presented on laboratory scale. The samples were compacted with two void ratios (0.75 and 0.63), corresponding to values of relative density of 50% and 90% respectively. 24 monotonic triaxial tests were performed, with initial effective mean pressures of 20, 100 and 200 kPa. Half of samples were tested in drained conditions, and the other half in undrained conditions. For the samples subjected to drained conditions, the effect of the fibres was identified at the post-failure stage, by showing sustained increase of strength. The positive effect of fibres could also be observed through the increase of material friction angle. In the samples subjected to undrained tests, the addition of fibres reduced the contractive behaviour, mainly for those more compacted. |
| Databáze: | OpenAIRE |
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