Effect of Layering on Total Consolidation Settlement of Normally Consolidated Clay in 1D Conditions
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Volume 142, Issue 2
Abstract
The conventional practice of calculating consolidation settlement in one-dimensional conditions involves dividing soft ground into multiple layers to enable an accurate estimation. However, the effect of layering on consolidation settlement has not been clearly verified. The authors propose an analytical solution to the case where the ground is divided infinitely for normally consolidated soils. The effect of error caused by layering in conventional practice is presented as well. Based on the suggested analytical solution, it is found that the conventional settlement calculation method always underestimates consolidation settlement. In addition, a representative depth for the conventional method in which the soft ground is not divided is suggested for calculating the same consolidation settlement as that obtained by the analytical solution.
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Acknowledgments
This work was supported by the National Research Foundation of Korea (NRF) Grant No. 2014H1C1A1067082.
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Journal of Geotechnical and Geoenvironmental Engineering
Volume 142 • Issue 2 • February 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Mar 7, 2015
Accepted: Jun 15, 2015
Published online: Sep 7, 2015
Published in print: Feb 1, 2016
Discussion open until: Feb 7, 2016
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