Abstract
Based on the nonlinear finite element method, the basic characters of widened road engineering are studied. It is found that the maximal lateral displacement of embankment achieved in the widened part, especially happened at the intersection between original part and widened part, which increased with the width of widened part increased. The maximal vertical settlement of embankment increased with width of widened part increased. The width of widened part has little influence on the failure surface and stability of embankment.
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