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Mathematical Correlations Between The Effective Diameter Of Soil And Other Properties | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 26, Issue 10, 2008, Pages 1274-1281 PDF (194.48 K) | ||
| DOI: 10.30684/etj.26.10.12 | ||
| Author | ||
| Muayed M. Ismail | ||
| Abstract | ||
| The equivalent or the “effective” diameter or size is a well-known parameter in soil classification and permeability determination. Hazen (1892) on the basis of his study of filter sands found that the diameter that which 10% by weight of soil grains are finer may cause same effects as the given soil. Denoted as D10, Hazen called this diameter the “effective diameter”. The goal of this study is to determine the value of the percent finer that corresponds to the equivalent diameter of soil grains that may be used directly to calculate as accurate as possible the surface area of the soil solids. The equivalent or the effective diameter would certainly vary according to the gradation of the soil grains, the wider the range of particle diameters included in the soil matrix the smaller would be the effective diameter. It was concluded that the effective particle diameter of a soil can be related to other soil properties such as the liquid limit, plasticity index, the unconfined compressive strength and the standard penetration test number of blows (N). | ||
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