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Estudio experimental de la nanosílice para el mejoramiento de subrasante en suelos arcillosos

Authors: Bobadilla Llanos, Jarussi de los Angeles; Bobadilla Llanos, Jarussi de los Angeles;

Estudio experimental de la nanosílice para el mejoramiento de subrasante en suelos arcillosos

Abstract

Este trabajo de investigación evalúa los cambios de las características físico-mecánicas al añadir la nanosílice en suelos arcillosos de baja plasticidad para subrasante en pavimentos urbanos. Para este estudio los porcentajes de aditivo que se establecieron es de 1%, 2%, 3% y 4% en función del peso del suelo, cumpliendo con las exigencias normativas. Según las repeticiones de ensayos de laboratorio tenemos que el porcentaje del 1% de nanosílice aumenta entre 216.33 a 330.55% su resistencia con respecto al suelo natural, dando como dato favorable de 30 resultados por muestra. También se hicieron ensayos de límites de plasticidad, se determinó que al momento de incrementar los porcentajes de nanosílice la plasticidad sube con respecto al suelo natural. Además, se evaluó la expansión de la nanosílice por tres métodos: ensayo de Consolidación, ensayo Lambe y la expansión de CBR. Por último, para el estudio costo-beneficio se dedujo que el uso de nanosílice al 1% es menor su costo en comparación con el uso de Cal Viva al 4% y Cemento Portland al 6%.

This research evaluates the changes in the physical-mechanical characteristics when nanosilica is added to clayey soils of low plasticity for subgrade in urban pavements. For this study, the additive percentages established were 1%, 2%, 3% and 4% according to the weight of the soil, complying with the regulatory requirements. According to the repetitions of laboratory tests we have that the percentage of 1% of nanosilica increases between 216.33 to 330.55% its resistance with respect to the natural soil, giving as favorable data 30 results per sample. Plasticity limit tests were also carried out, and it was determined that when increasing the percentage of nanosilica the plasticity increases with respect to the natural soil. In addition, the expansion of nanosilica was evaluated by three methods: Consolidation test, Lambe test and CBR expansion. Finally, for the cost-benefit analysis it is concluded that the use of 1% nanosilica is lower from the economic point of view compared to the use of 4% quicklime and 6% Portland cement.

Country
Peru
Keywords

Ingeniería civil, Soil mechanics, https://purl.org/pe-repo/ocde/ford#2.01.00, Mecánica de los suelos, Estabilización de suelos

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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!
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Average
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