Optimal Design of Vertical Drains in Soft Ground

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Optimal Design of Vertical Drains in Soft Ground

Author: Sam Clarke | Size: 2.7 MB | Format: PDF | Quality: Original preprint | Publisher: The University of Sheffield | Year: 2006 | pages: 50

A Final Report of a Student from Department of Civil and Structural Engineering, University of Sheffield.

Abstract :

This project is concerned with the design of a program to calculate the optimal solution for geotechnical problems involving the consolidation of soft ground by the use of prefabricated vertical drains. The effects being taken into account include smear, well resistance, ramped loading and multiple layers. The program has allowed the author to complete a series of parametric studies into the effects of the factors which contribute to the rate of consolidation using vertical drains. The final solution is a distributable program that uses an intuitive graphical user interface. This allows the user to input soil parameters and assumptions and then run the program to find the optimal spacing of drains to achieve a given consolidation in a given time. An element of probabilistic analysis has also been incorporated into the program to allow the creation of risk to cost curves for any parameters. This allows the user to make an educated decision based on the allowable cost and the degree of certainty in the soil parameters.

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Code:

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