At all General Assemblies, ITA arranges an Open Session focusing on specific themes of current interest to the tunneling industry.
Year | Title | Location | 1977 | Safety in service | Stockholm | 1978 | To go underground: Right or wrong? | Tokyo | 1979 | Member Nations adresses during RETC | Atlanta | 1980 | Safe practices in tunnelling | Bruxelles | 1981 | Use of Subsurface in developing countries | Nice | 1982 | The Subsurface: constructions to energy savings | Brighton | 1983 | Urban Contracting and Environment | Warsaw | 1984 | Seismic Effects on Underground Works | Caracas | 1995 | Underground Works in Urban Areas | Prague | 1986 | Approaching the XXI st century. Expectations and Perspectives | Florence | 1987 | Subsurface developements in the urban community | Melbourne | 1988 | Minitunnells | Madrid | 1989 | Future of mechanised tunnelling | Toronto | 1990 | Management of underground works | Chengdu | 1991 | Utility tunnells | London | 1992 | Towards new worlds in tunnelling | Acapulco | 1993 | At or below ground level | Amsterdam | 1994 | Straits of Gibraltar | Cairo | 1995 | Mechanisation of excavation - New technologies and financial aspects | Stuttgart | 1996 | Tunnelling and underground space: their contributions to sustainable urban development | Washington | 1997 | Choice of Tunnelling Methods | Vienna | 1998 | Contribution of small sized tunnels to the development of metropolises | Sao Paulo | 1999 | Past, Present and Future of Tunnelling | Oslo | 2000 | Mining in Tunnelling: Shaft Construction | Durban | 2001 | Project Financing | Milano | 2002 | Fire and Life Safety | Sydney | 2003 | Immersed Tunnels | Amsterdam | 2004 | Underground Space for Sustainable Urban Development | Singapore | 2005 | Major Subsea Tunnel Projects | Istanbul | 2006 | Risk Managment | Seoul | 2007 | Financing trends | Prague | 2008 | Contractual Practices Worlwide | Agra | 
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