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 analysis of under-reamed pile subjected to dynamic loading in sandy soil

MM Jebur, MD Ahmed… - IOP conference series …, 2020 - iopscience.iop.org
Under-reamed piles are piles with enlarged bases, which may be single bulb or multi bulbs.
Such piles are suitable for resisting considerable soil movement of filed up ground, soft clay …

Numerical study on the uplift capacity of under-reamed piles in clay with linearly increasing cohesion

VN Khatri, A Kumar, SK Gupta, RK Dutta… - International journal …, 2022 - Taylor & Francis
The present study deals with the determination of the uplift capacity for an under-reamed
pile in clay, whose cohesion increases linearly with depth, by following the finite element …

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 …

Dynamic lateral response of under-reamed vertical and batter piles

M Bharathi, RN Dubey - Construction and Building Materials, 2018 - Elsevier
Dynamic lateral response of three under-ream reinforced concrete piles constructed in silty
sand {vertical, P1 (β= 0°); and batter piles P2 (β= 10°) and P3 (β= 20°)} having equal length …

Bearing capacity of under-reamed piles in clay using lower bound finite element limit analysis

M Majumder, D Chakraborty - International Journal of Geotechnical …, 2022 - Taylor & Francis
In this study, bearing capacity of under-reamed piles in non-homogeneous clay is estimated
numerically. A detailed parametric study is carried out for different length to shaft diameter …

An Experimental Study on Heave and Uplift Behaviour of Granular Pile Anchor Foundation System

HA Khan, K Gaddam - IOP Conference Series: Earth and …, 2021 - iopscience.iop.org
Several innovative ground improvement techniques were presented by various researchers
throughout the globe for modification of the existing poor soils. Granular Pile-Anchors (GPA) …