Studies on the Stabilization of Expansive Soils Treated With Granular Materials

Ivasuc, Tatiana

doi:10.5593/sgem2013/ba1.v2/s02.053

SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings

2013

DOI: 10.5593/sgem2013/ba1.v2/s02.053

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Studies on the Stabilization of Expansive Soils Treated With Granular Materials

Tatiana Ivasuc¹

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2015

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“…In a recent study by Ivasuc et al, physical stabilization of expansive clays using granular materials and their applications to embankments were studied (17). It was concluded that granular inclusion in expansive clays reduces the swelling behavior and swelling pressures of the native clay material.…”

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Performance of Sand-Treated Clay Subgrade Supporting a Low-Volume Flexible Pavement

Pedarla

Puppala

Savigamin

et al. 2015

Transportation Research Record: Journal of the Transportation R

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Low-volume roads constitute a major portion of the world's transportation infrastructure and hence require an economical and effective pavement design. When constructed on unstable and soft subgrades, these roads are susceptible to premature pavement failures and require subgrade stabilization. The presented research focuses on mechanical stabilization of soft clay with graded sand that has been adopted as a base course for pavements. For this study, a local soft clayey soil from Dallas was mixed with various fractions of a graded sandy soil, and the stiffness behavior of the compounded material was studied. The soil mixtures were then studied for their basic soil characterization, including standard Proctor compaction studies. Statically compressed soil specimens were prepared and then evaluated for their unconfined compressive strength and resilient moduli. Resilient moduli results were used in the design of low-volume roads, both with aggregate base and with no aggregate base. Results show that the variation of sand content in soft soil considerably affects the strength and stiffness properties of the subgrade. The effects of improved subgrade performance on the aggregate base and surface layers of the low-volume pavement are highlighted.

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mentioning

confidence: 99%

Performance of Sand-Treated Clay Subgrade Supporting a Low-Volume Flexible Pavement

Pedarla

Puppala

Savigamin

et al. 2015

Transportation Research Record: Journal of the Transportation R

View full text Add to dashboard Cite

show abstract

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Studies on the Stabilization of Expansive Soils Treated With Granular Materials

Cited by 1 publication

References 0 publications

Performance of Sand-Treated Clay Subgrade Supporting a Low-Volume Flexible Pavement

Performance of Sand-Treated Clay Subgrade Supporting a Low-Volume Flexible Pavement

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