RIS ID

95598

Publication Details

Rujikiatkamjorn, C., Indraratna, B. & Ardana, M. Dodiek Wirya. (2014). Smear zone characterization associated with vertical drain installation. In P. Rahardjo & I. Bin Haji Bakar (Eds.), Southeast Asia conference on Soft Soils Engineering and Ground Improvement: Soft Soils 2014 (pp. F1-1-F1-8). Malaysia: Universitas Katolik Parahyangan, Indonesia and Universiti Tun Hussein Onn, Malaysia.

Abstract

In this study the characteristics and extent of the smear zone were investigated using a undisturbed sample. The aim was to capture the realistic characteristics of the smear zone in relation to the in-situ structure of soil during the installation of prefabricated vertical drain (PVD) using a steel mandrel. The extent of the smear zone for Bulli clay was determined on the basis of normalised permeability (kh/khu) and a reduction in the water content upon consolidation. The permeability and compressibility of the soil were investigated to determine the extent to which the soil surrounding the PVD had become disturbed.

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