Variation of Particle Size Distribution Within A Heap of Soil

M Bharath¹, J Logeshwari²

^1,2Assistant Professor, Department of Civil Engineering,
Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and Technology, Chennai, India

Abstract

A soil heap is formed when dry soil is subjected to free fall. The influence of height of fall in the packing or arrangement of the grains is studied in this paper. 1000 g of dry sand particles of size lesser that 4.75 mm is used throughout the study. The sand is made to flow from a funnel of 10 mm opening. The heights of free fall that were chosen for this study are 150, 200, 250, 300, 350, 400, 450 and 500 mm. The heap formed from each condition is examined and compared with each other. It is found from the results that with the increase in height of free fall, the finer particles tend to move away from the heap. This makes the influence zone wider and wider. However, the height of the heap remained almost constant for all conditions. It is also observed that the heavier particles tends to arrange themselves at the bottom and most precisely on the outer side of the heap invariably for all height of fall condition.

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Cite this Article as Follows

M Bharath, J Logeshwari. Variation of Particle Size Distribution Within A Heap of Soil. International Conference on Global Environmental Changes and Sustainable Development (2018): 101. Print.