Volume- 9
Issue- 6
Year- 2022
DOI: 10.55524/ijirem.2022.9.6.4 | DOI URL: https://doi.org/10.55524/ijirem.2022.9.6.4 Crossref
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)
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Zahid Hussain , Hurchika
Permeability is an important engineering property of soils and its knowledge is essential in number of water resource and geotechnical engineering problems such as seepage and design of filters in hydraulic structures, water and sewage treatment plants and settlement of structures. Enormous work has been done to understand the effect of various factors affecting permeability and numerous relations have been given from time to time to relate permeability with these factors and parameters. In this present work, variation of permeability with change in shape and size of porous media is presented. First of all the material is separated into five different shapes by visual examination. Five well defined shapes were chosen for the present study. The shapes were classified on the basis of elongation ratio, flatness ratio, sphericity and shape factor. The shape parameters for these well examined shapes were calculated. The “three dimensions of the particle that are necessary for determination of shape parameters are the longest dimension (dl), intermediate dimension (di), and shortest dimension” (ds). These “three dimensions along with the volume of circumscribing sphere, corresponding to the longest dimension of the particle were used to calculate” the shape parameters that are necessary to quantify the shape. After the sorting of the shape, they were sieved through a set of IS recommended sieves into different sizes. Sizes passing through a particular size and retained on adjacent lower sized sieve were given the name of the sieve through which they passed. Sieve analysis is necessary not only for sorting of the material but also for the calculation of gradation parameters whose effect on permeability will be studied.
M.Tech. Scholar, Department of Civil Engineering, RIMT University, Mandi Gobindgarh, Punjab, India
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