Geomechanics of Soft Ground Improvement by Perforated Piles: Review and Case Study
Author:
Basack Sudip1, Das Gautam1, Iqbal SK Asif1, Deb Jyotirmoy1
Affiliation:
1. Elitte College of Engineering, Affiliation: MAKA University of Technology, Kolkata 700113, INDIA
Abstract
Civil Infrastructure built on soft and compressible soil is likely to collapse due to undrained shear failure or unacceptable settlement of supporting foundations. Incorporation of adequate ground improvement technique with the aim of upgrading the strength and stiffness of the weak soil is essential in such cases. Amongst various established methods adopted worldwide for improving soft ground, using perforated piles is a relatively emerging technique. Such piles not only transmit the structural load into the subsoil beneath in a manner similar to the conventional piles, but also assist in radial consolidation of soft soil due to perforated side walls. This paper presents a brief overview on the investigations carried out on this new technique. Also, a typical case study has been presented. As observed, the axial pile capacity progressively increased while settlement reduction took place, with accelerated radial consolidation.
Publisher
World Scientific and Engineering Academy and Society (WSEAS)
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Reference32 articles.
1. Fatahi, B., Basack, S., Premananda, S. and Khabbaz, H., Settlement prediction and back analysis of Young’s modulus and dilation angle of stone columns, Australian Journal of Civil Engineering, vol. 10, no. 1, pp. 67-80, 2012, http://dx.doi.org/10.7158/C11-700.2012.10.1. 2. Basack, S., Goswami, G. and Nimbalkar, S., Analytical and numerical solutions to selected research problems in geomechanics and geohydraulics, WSEAS Transactions on Applied and Theoretical Mechanics, vol. 16, pp. 222-231, 2021, DOI: 10.37394/232011.2021.16.25 3. Basack, S., Siahaan, F., Indraratna, B. and Rujikiatkamjorn, C., Stone column–stabilized softsoil performance influenced by clogging and lateral deformation: laboratory and numerical evaluation, International Journal of Geomechanics, vol. 8, no. 6, 2018, https://doi.org/ 10.1061/(ASCE)GM.1943- 5622.0001148 4. Basack, S. and Nimbalkar, S., Free strain analysis of the performance of vertical drains for soft soil improvement, Geomechanics and Engineering, vol. 13, no. 6, pp. 963-975, 2017, https://doi.org/10.12989/gae.2017.13.6.963 5. Tao, G., Yuan, J., Chen, Q., Peng, W., Yu, R. and Basack,, S., Chemical stabilization of calcareous sand by polyurethane foam adhesive, Construction and Building Materials, vol. 295, no. 123609, 2020, https://doi.org/10.1016/j.conbuildmat.2021.123609
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