Abstract
The swelling pressure induced lateral stress and deformation in soil, the maximum nail load, and the nail head load of a soil nail wall constructed in high plasticity expansive soil are determined using finite element model. Soil samples were collected from the construction site and were subjected to various laboratory testing to measure the soil parameters related to volume change due to change in soil suction and to establish the soil water characteristic curve for the soil. The moisture content profile of the construction site was monitored for two years and a wetting envelope was developed to represent the maximum change in moisture content due to seasonal fluctuation. A finite element model is developed to simulate the soil nail wall in high plasticity expansive soil, which shows that the lateral stress and deformation in soil, the maximum nail load, and the nail head load of a soil nail wall increases significantly due to seasonal fluctuation of the moisture content.
Published Version
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