%0 Conference Proceedings %B Proceedings of the 16th European Conference on Soil Mechanics and Geotechnical Engineering %D 2015 %T Flexible retaining structures supported by anchor beams: the problem of tie-rod length %A R. Leal %A A. Nunes Antão %A Guerra, N. M. C. %C Edimburgo, Escócia %I 3 %P 949-954