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A platform for research: civil engineering, architecture and urbanism
Simplified method for estimating vertical stress-settlement responses of piled embankments on soft soils
https://orcid.org/0000-0003-3137-733X
https://orcid.org/0000-0003-4350-2134
Abstract Soil arching development patterns of piled embankment have been comprehensively investigated by performing multi-trapdoor tests in many previous studies. However, the application of these findings is inevitably limited as the subsoil-pile system under the embankment is generally not explicitly taken into account. In this study, an analytical method was employed to evaluate the compressibility of the subsoil-pile system. The compressibility analysis results were used together with the analytical models for soil arching development obtained from multi-trapdoor tests to estimate the vertical stress-settlement response of the subsoil-pile-embankment system. A parametric study was conducted to investigate the effect of the following influence factors: friction angle of embankment fill, embankment height, coefficient of skin friction, pile spacing, pile cap width, and pile to subsoil modulus ratio on the vertical stress-settlement response. Based on the parametric study, correlations were developed between the influence factors and the vertical stress-settlement responses of the subsoil-pile-embankment system. The developed method was favorably examined by a set of field test results in the literature.
Simplified method for estimating vertical stress-settlement responses of piled embankments on soft soils
https://orcid.org/0000-0003-3137-733X
https://orcid.org/0000-0003-4350-2134
Abstract Soil arching development patterns of piled embankment have been comprehensively investigated by performing multi-trapdoor tests in many previous studies. However, the application of these findings is inevitably limited as the subsoil-pile system under the embankment is generally not explicitly taken into account. In this study, an analytical method was employed to evaluate the compressibility of the subsoil-pile system. The compressibility analysis results were used together with the analytical models for soil arching development obtained from multi-trapdoor tests to estimate the vertical stress-settlement response of the subsoil-pile-embankment system. A parametric study was conducted to investigate the effect of the following influence factors: friction angle of embankment fill, embankment height, coefficient of skin friction, pile spacing, pile cap width, and pile to subsoil modulus ratio on the vertical stress-settlement response. Based on the parametric study, correlations were developed between the influence factors and the vertical stress-settlement responses of the subsoil-pile-embankment system. The developed method was favorably examined by a set of field test results in the literature.
Simplified method for estimating vertical stress-settlement responses of piled embankments on soft soils
https://orcid.org/0000-0003-3137-733X
https://orcid.org/0000-0003-4350-2134
Abstract Soil arching development patterns of piled embankment have been comprehensively investigated by performing multi-trapdoor tests in many previous studies. However, the application of these findings is inevitably limited as the subsoil-pile system under the embankment is generally not explicitly taken into account. In this study, an analytical method was employed to evaluate the compressibility of the subsoil-pile system. The compressibility analysis results were used together with the analytical models for soil arching development obtained from multi-trapdoor tests to estimate the vertical stress-settlement response of the subsoil-pile-embankment system. A parametric study was conducted to investigate the effect of the following influence factors: friction angle of embankment fill, embankment height, coefficient of skin friction, pile spacing, pile cap width, and pile to subsoil modulus ratio on the vertical stress-settlement response. Based on the parametric study, correlations were developed between the influence factors and the vertical stress-settlement responses of the subsoil-pile-embankment system. The developed method was favorably examined by a set of field test results in the literature.
Simplified method for estimating vertical stress-settlement responses of piled embankments on soft soils
Rui, Rui (author) / Han, Jie (author) / Zhang, Lei (author) / Zhai, Yuxin (author) / Cheng, Zhi (author) / Chen, Cheng (author)
2019-11-22
Article (Journal)
Electronic Resource
English
Numerical Analysis of Piled Embankments on Soft Soils
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