Effects of scour-hole depth on the bearing and uplift capacities of under-reamed pile in clay

M Majumder, D Chakraborty - Ocean Engineering, 2021 - Elsevier
Scouring causes reduction in the load-carrying capacity of pile foundation. The load-carrying
capacity of a pile foundation can be increased by increasing the pile dimension. In the …

Numerical and analytical study on uplift capacity of under-reamed piles in sand

A Kumar, VN Khatri, SK Gupta - Marine Georesources & …, 2022 - Taylor & Francis
In the present study, the uplift capacity of the under-reamed piles (also referred to as belled
piles) in the sand was determined by following a finite element analysis. In this regard, the …

Investigation on multi under reamed piles with small bulb diameter in clay

B George, G Hari, C Alexander - International Journal of …, 2022 - Taylor & Francis
This paper presents a study conducted on a multi-under-reamed pile having a small bulb
size, but more than two in number. The proposed design is aimed to mobilize the side …

Bearing and uplift capacities of under-reamed piles in soft clay underlaid by stiff clay using lower-bound finite element limit analysis

M Majumder, D Chakraborty - Frontiers of Structural and Civil Engineering, 2021 - Springer
Ensuring a safe foundation design in soft clay is always a challenging task to engineers. In
the present study, the effectiveness of under-reamed piles in soft clay underlaid by stiff clay …

Effect of linearly increasing cohesion on the compression and uplift capacity of the under-reamed pile in clay

A Kumar, VN Khatri, SK Gupta - SN Applied Sciences, 2020 - Springer
The present paper tries to explore the load-settlement behavior of an under-reamed pile
subjected to either compressive or pull-out loading and installed in clay whose cohesion …

Model test study on single and group under-reamed piles in sand under compression and tension

M Majumder, D Chakraborty, V Kumawat - Innovative Infrastructure …, 2022 - Springer
Till now, limited studies have been conducted on the response of full bulb group under-
reamed piles in sand; the available studies were limited to loose sand. Therefore, in the …

Under-reamed pile-soil interaction in sand under lateral loading: A three-dimensional numerical study

M Majumder, D Chakraborty - Ocean Engineering, 2022 - Elsevier
The studies on the lateral response of under-reamed piles in sand are very limited.
Therefore, a 3D numerical model is developed to study the behavior of under-reamed piles …

Experimental work on the effect of under-reamed pile geometry on the pullout capacity of sand

AW Al-Bayati, MA AL-Neami, FH Rahil - International Journal of Engineering, 2023 - ije.ir
This work presents an experimental study that investigates the behavoir of both conventional
and under-reamed piles embedded in a single layer of sand with varying relative densities …

[PDF][PDF] Numerical investigation of square footing positioned on geocell reinforced sand by using abaqus software

G Juneja, RK Sharma - 2022 - zbc.uz.zgora.pl
A bstract The usage of geocell reinforcement for foundations supported on weak soil has
been increased these days. The purposed study uses FEM-based ABAQUS software to …

Effects of scour-hole dimensions and bulb positions on the lateral response of under-reamed pile in soft clay

M Majumder, D Chakraborty - Applied Ocean Research, 2021 - Elsevier
The failures of pile foundations in water-borne structures are often attributed to the scouring
phenomenon. Even though many studies are available on the countermeasures against …