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Submitted on: 28 February 2020.
Revised on: 06 May 2020.
Accepted on: 25 June 2020.
___________________Geotechnik---ERNST & SOHN
Submitted on: 28 January 2009.
Revised on: 28 February 2009.
Accepted on: 20 April 2009.
___________________Geotechnik---ERNST & SOHN
Submitted on: 15 November 2008.
Revised on: 15 January 2009.
Accepted on: 27 February 2009.
___________________Geotechnik---ERNST & SOHN
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