Performance Analysis of PLAXIS Models of Stone Columns in Soft Marine Clay

  • M. VinothEmail author
  • P. S. Prasad
  • U. K. Guru Vittal
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 29)


The behavior of stone columns in soft marine clay under a cement concrete road pavement was examined through PLAXIS 2D. It is a well-known fact that modeling in 2D will require less computational effort compared to a full 3D analysis. The main difficulty with regard to PLAXIS 2D modeling of stone columns is the conversion of the stone column grid to a 2D stone trench structure. Different approaches (enhanced soil parameter, embedded beam element and equivalent column method) are available in modeling of stone column in PLAXIS 2D. However, not much literature is available for choosing the proper approach in PLAXIS 2D modeling of stone column in soft marine clay. The aim of this paper is to establish the suitable approach which provides better results with minimal effort for modeling in PLAXIS 2D. A case study, of work carried out at Mumbai for the road pavement between Wadala Depot and Chembur, provides the basis for PLAXIS 2D modeling. The sub-soil profile in this stretch comprises of soft marine clay, and the ground below cement concrete pavement had been treated with stone column prior to construction of rigid pavement. The results of the PLAXIS 2D models were then validated by examining the main characteristics of cement concrete pavement deformation within the column grid.


PLAXIS 2D Stone column Soft marine clay 


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© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.CSIR—Central Road Research InstituteCRRI (PO)New DelhiIndia

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