40th ITA Annual Meeting: Activities of the Working Groups and Committees

摘要

In tunnel issue 5/2014 we informed you about the most important aspects of the 40th Annual Meeting of the International Tunnelling and Underground Space Association (ITA) and the 2014 World Tunnel Congress, held from May 9 to 14,2014 at Foz do Iguacu, Brazil. In this issue of tunnel you can learn more about the activities of the 13 ITA Working Groups and the four Committees.