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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Modelling Stress Distribution in Subgrade Due to Construction of Enlarged Embankment
verfasst von : Heng Wang, Cong Mou, Jianwen Ding, Xing Wan
Erschienen in: Proceedings of China-Europe Conference on Geotechnical Engineering
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Abstract
Many exiting embankments along river have been enhanced by enlarged construction. This paper proposed a practical method of determining enlarged embankment loads induced vertical superimposed stress in subsoil by considering the effect of existing embankment and variations in foundation properties underneath existing and enlarged embankment. The Stochastic stress diffusion theory is used to establish an equation of calculating contact stress for overcoming the assumptions of traditional trapezoidal stress distribution. The elastic solution is used to calculate the vertical superimposed stress. An empirical coefficient is employed for incorporating the effect of variations in properties of subsoil. The method was applied to analyze one case in Korean. Comparisons of the calculated values with field data indicate that the proposed method is useful for designing the enlarged embankment on soft subsoil.