http://reply.papertrans.cn/1/34/3385/3385-31.png
http://reply.papertrans.cn/1/34/3385/3385-32.png
Submitted on: 01 August 2021.
Revised on: 04 October 2021.
Accepted on: 04 November 2021.
___________________Beton- und Stahlbetonbau---ERNST & SOHN
http://reply.papertrans.cn/1/34/3385/3385-34.png
Submitted on: 12 January 2011.
Revised on: 05 March 2011.
Accepted on: 30 April 2011.
___________________Beton- und Stahlbetonbau---ERNST & SOHN
http://reply.papertrans.cn/1/34/3385/3385-36.png