Experimental investigations of a pile in colloidal silica stabilized sand under vertical and lateral loads

Spun precast prestressed concrete (SPC) pile has been used in many parts of the world as a viable foundation alternative. This study assesses the load-carrying capacity of SPC piles passing through a deep soft subsoil layer and resting on a dense sand layer. The vertical bearing capacity of the SPC pile has been estimated using various analytical methods and static pile load tests for the Jolshiri area of Dhaka. The liquefaction potential of the site has been assessed using local seismic site conditions, field and laboratory test data. The liquefaction analysis suggests that the topsoil layer is liquefiable to a depth of 4.5 m. The capacity obtained from the load test is compared with those obtained from the different methods, ultimate push-in load, and local design guidelines. Finite Element Analysis (FEA) was performed considering the hardening soil (HS) model using PLAXIS 3D to simulate field conditions. The load settlement response obtained from FEA shows a good agreement with the test results. The capacity examinations primarily suggest that the SPC pile can be a viable foundation solution for the subsoil conditions of Jolshiri Abasion area of Dhaka.

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Experimental investigations of a pile in colloidal silica stabilized sand under vertical and lateral loads

Cited by 3 publications

References 59 publications

A critical appraisal on some geotechnical properties of soil stabilised with nano-additives

A critical appraisal on some geotechnical properties of soil stabilised with nano-additives

The presence of colloidal nano silica in sandy soils: a review

Vertical bearing capacity of spun precast concrete piles in liquefiable soil: a case study

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