VTI National Transport Research Database

Effect of varying and repeated truck loading cycles on subgrade materials (Effect of varying and repeated truck loading cycles on subgrade materials)

  • Edeskär, Tommy
  • Luleå tekniska universitet, Universitet eller högskola, 202100-2841
Sponsors, duration, budget: Trafikverket ; 2017-01-15 -- 2020-12-31 Registration number:
  • Trafikverket 2016/106526
Subject(s): Abstract: The goals in this project are to a) quantify the permanent deformations in typical subgrade soils subjected to a realistic soil pattern, b) describe the correlation between shear modulus and strain development for fine granular soils in northern Sweden, c) by FE-analysis model the strain development and recovery time for subgrade materials subjected to heavy truck loads, d) calibrate and verify the FE-model with field measurements of stress, strains and shear modulus at the subgrade.Abstract: The goals in this project are to a) quantify the permanent deformations in typical subgrade soils subjected to a realistic soil pattern, b) describe the correlation between shear modulus and strain development for fine granular soils in northern Sweden, c) by FE-analysis model the strain development and recovery time for subgrade materials subjected to heavy truck loads, d) calibrate and verify the FE-model with field measurements of stress, strains and shear modulus at the subgrade.
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