E3S Web Conf.
Volume 198, 20202020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|Number of page(s)||7|
|Section||Geosynthetics Applied Design Theory and Method|
|Published online||26 October 2020|
A simplified planar model for geosynthetics reinforced composite foundation subjected to vertical load
1 College of Architecture and Civil Engineering, Wenzhou University, Wenzhou 325035, PR China.
2 Zhejiang Highway&water Transportation Engineering Consulting Limited Liability Company, Hangzhou 310006, PR China.
3 Institute of Transportation Engineering, Zhejiang University, Hangzhou 310058, PR China.
4 Hangzhou Luda Highway Engineering Corporation, Hangzhou 310004, PR China
* Corresponding author: email@example.com
A simplified planar model for geosynthetics reinforced composite foundation under large-scale loading was established with a new consolidation analysis. The cushion was modeled by modified Pasternak model and the reaction of pile and subsoil was modeled by Winkler model. The effect of geosynthetics layer was directly considered as an elastic cable and the subsoil was divided into numerous columns with only vertical drainage. The solution was obtained by a finite difference based iterative scheme. The feasibility of the model was demonstrated by a case study. Then a parameter study was executed to analyze the effect of several influential factors. The results showed that there is a critical pile –to-pitch ratio that makes the increase of the stiffness of the geosynthetic material the most conducive to deformation control.
© The Authors, published by EDP Sciences 2020
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