Study on Compression Deformation Characteristics of Coarse-Grained Soil in High Filled Subgrade

Qun Liu; Xiang Bo Deng

doi:10.4028/www.scientific.net/AMM.438-439.1089

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 438-439Study on Compression Deformation Characteristics...

Study on Compression Deformation Characteristics of Coarse-Grained Soil in High Filled Subgrade

Abstract:

Coarse-grained soil is widely used in railway construction, and it is of great significance to take research on how compression deformation characteristics affect deformation of coarse-grained soil in high filled subgrade. To analyze compression deformation characteristics of coarse-grained soil under different moisture content and different grain compositions conditions, influence pattern of moisture content and grain compositions was researched through uniaxial compression test. The result indicates that compressive deformation is in logarithm relation with time; moisture content and grain compositions are important factors that affect the characteristics of compressive deformation of sandy slate coarse-grained soil and it is better to control subgrade settlement with dry or saturated coarse-grained soil which contains 70% coarse particles.

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Periodical:

Applied Mechanics and Materials (Volumes 438-439)

Pages:

1089-1092

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.438-439.1089

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Online since:

October 2013

Authors:

Qun Liu, Xiang Bo Deng

Keywords:

Coarse Particle Packing, Compressive Deformation, Grain Composition, Moisture Content

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