Cone penetration resistance equation as a function of the clay ratio, soil moisture content and specific weight |
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| Authors: | E B Elbanna B D Witney |
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| Institution: | 1. Department of Agricultural Mechanisation, Faculty of Agriculture, Mansoura University, Egypt;2. Scottish Centre of Agricultural Engineering, Bush Estate, Penicuik, Midlothian EH26 0PH, U.K.;1. School of Mathematics and Statistics, University of Melbourne, Victoria 3010, Australia;2. Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, ACT 0200, Australia;1. Institute of Technology of Food of Plant Origin, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624, Poznań, Poland;2. Department of Biotechnology and Food Microbiology, Poznań University of Life Sciences, Wojska Polskiego 48, 60-627, Poznań, Poland;1. Department of Civil Engineering S R Engineering College, Warangal, India;2. Soil Mechanics, Karur College of Engineering, Karur, India;3. Department of Civil Engineering S R Engineering College, Warangal, India;4. Universidad de la Costa, Barranquilla, Colombia |
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| Abstract: | The cone penetrometer is a simple versatile device which is widely used to monitor the strength of a soil in terms of its resistance to the penetration of a standard cone. The soil penetration resistance is a function of soil moisture content, soil specific weight and soil type. The soil type is characterised by means of a clay ratio which is the ratio of the clay content of the soil to the content of silt and sand.Based on the classical bearing capacity theories for strip foundations, a general cone penetration resistance equation is developed to represent the variability of cohesion and friction angle by means of soil type and moisture content. The empirical relationship is shown to give an accurate prediction of the cone penetration resistance for a wide range of soils from a loamy sand to a heavy clay (clay ratios 0.10–1.60) and over a wide spectrum of soil moisture contents from 10 to 65% w/w. |
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