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  Index for the Capacity Utilization of Linings in Tunnels (CULT-I) - A quantified risk tool for design optimization

  The contribution discusses the quantitative evaluation of design robustness through the use of a new design Index for the Capacity Utilization of Linings in Tunnels (CULT-I). This index is geometrically defined and uses a simple concept to measure the proximity of a design point to a lining capacity envelope, in this case the Bending moment-Axial force capacity limit curve / interaction diagram. The use of this index can allow for a rationalized optimization and comparison of different designs, particularly on the basis of probabilistic engineering methods. Typical cases of shallow urban tunnels excavated in soft ground with different methods are presented, demonstrating the practical application of this novel evaluation index. find below the instructions to present your Paper at the WTC 2014, to be held in Foz do Iguaçu, May 9th to 15th. The Full Paper must not exceed 10 pages. This abstract session must not exceed 10 lines. In order to ensure uniform style throughout the Proceedings, all the papers have to be prepared strictly according to the instructions set below. Be aware that your paper may not be accepted if you do not follow these instructions. You are invited to directly use this template to type your Full Paper.

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