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Critical length of encased stone columns
Geotextiles and Geomembranes
Encased stone columns are vertical inclusions in soft soils formed by gravel wrapped usually with a geotextile. Their critical length is the one where further lengthening of the column provides a negligible improvement and it is therefore not effective to build columns longer than it. This paper aims to obtain common values of the critical length using simplified two-dimensional axisymmetric and full three-dimensional finite element analyses. A uniform soft soil layer with a linear elasticdoi:10.1016/j.geotexmem.2021.05.003 fatcat:7jq72obxsnemne7f62axdu6tt4