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Modulus of Laterally Loaded Pile in Cohesionless Slope Crest with Varying Condition

Sivapriya Vijayasimhan, Ganesh Kumar Shanmugam

Civil and Environmental Engineering Reports

2022

Vol. 32, no. 3

133--142

Soil - structure interaction behaviour of pile foundation is complex for heavier structures which suffer large lateral load due to wind, wave action etc., in addition to the large vertical and oblique load. The parameters involved in determining the lateral capacity of the foundation are its structural geometry, soil properties and ground condition. The behaviour is different for horizontal ground compared to the sloping ground; it is even different under loading and unloading conditions. In this study, the modulus of single pile is studied under various lengths, diameters, slope angles and loading directions. An equation is generated is developed to obtain the modulus with varying length and diameter.

A preliminary comparative study of seepage behaviour behind retaining walls with crumb rubber and geocomposite

Sivapriya Vijayasimhan, Sudharasan Chinnusamy, Suraj Ravikumar, Abinaya Kalyansundaram

Civil and Environmental Engineering Reports

2020

Vol. 30, no. 1

171--184

A retaining wall is built to provide support to the soil when there is a change in elevation of the ground. Weep holes present in the retaining wall help water to seep through it. Filter protection should be made behind the weep holes to prevent soil erosion around the weep holes. The classic filter material that is widely used is gravel, which is packed according to Hudson’s law. Laboratory experiments were conducted to understand the seepage function of alternative material such as crumb rubber and geocomposite (fabricated) in a homogenous sand layer and in-situ soil. The time taken by the water to reach the weep holes was calculated and compared. From the results, it is suggested to use crumb rubber as an alternative packing material behind the weep hole.